Battery assembling system and control method therefor, and battery production line

Abstract

Disclosed in the present disclosure are a battery assembling system and a control method therefor, and a battery production line, which relates to the technical field of batteries. The battery assembling system can reduce the risk of congestion during tray return and facilitate the miniaturization of the battery assembling system. The battery assembling system comprises a stacking platform, an assembling device, an assembling transfer line, and a return device, wherein the stacking platform is used for storing trays and battery modules located in the trays; one end of the assembling device is connected to one end of the stacking platform by means of the assembling transfer line, the assembling device is used for assembling the battery modules to be assembled, and the assembling transfer line is used for transporting the trays carrying the battery modules to be assembled to the assembling device; and the other end of the assembling device is connected to the other end of the stacking platform by means of the return device, and the return device is used for transporting the trays carrying the assembled battery modules to the stacking platform.

Description

Battery assembly system, control method and battery production line

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS

[0002] This disclosure is based on the Chinese patent application with application number 202311668047.0, application date December 7, 2023, and invention name “Battery assembly system, control method and battery production line”, and claims the priority of the Chinese patent application. The entire content of the Chinese patent application is hereby introduced into this disclosure as a reference. Technical Field

[0003] The present disclosure relates to the field of battery technology, and in particular to a battery assembly system, a control method, and a battery production line. Background Art

[0004] During the battery production process, pallets are usually used to carry the batteries so that the batteries can be transferred to storage stations or different production stations on the production line.

[0005] Different types of batteries can be transported using different types of pallets. However, when transporting pallets loaded with different types of batteries or empty pallets of different types through a battery assembly system, there is a risk of the pallets being delivered to the wrong location or not being delivered to the correct location in a timely manner.

[0006] Summary of the Invention

[0007] The present disclosure provides a battery assembly system, a control method, and a battery production line, which can reduce the risk of congestion during tray reflow and are conducive to the miniaturization of the battery assembly system.

[0008] The first aspect of the present disclosure provides a battery assembly system, which includes: a stacking table, an assembly device, an assembly flow line and a reflow device; wherein the stacking table is used to store pallets and battery modules located in the pallets; one end of the assembly device is connected to one end of the stacking table through the assembly flow line, the assembly device is used to perform an assembly process on the battery modules to be assembled, and the assembly flow line is used to transport the pallets carrying the battery modules to be assembled to the assembly device; the other end of the assembly device is connected to the other end of the stacking table through the reflow device, and the reflow device is used to transport the pallets carrying the assembled battery modules to the stacking table.

[0009] The above-mentioned battery assembly system, since it is provided with a stacking table, can provide storage locations for battery modules and trays through the stacking table, so that empty trays and battery modules can be stored on the stacking table. In addition, an assembly device is provided, and the assembly device and the stacking table are connected through an assembly flow line, so that the battery modules to be assembled can be transported to the assembly device through the assembly flow line. At the same time, a reflow device is provided, and the output end of the assembly device is connected to the other end of the stacking table, so that the assembled battery modules and trays can be transported back to the stacking table through the reflow device. In this way, on the one hand, multiple cache locations can be provided for the trays through the reflow device to reduce the risk of congestion during the tray reflow process; on the other hand, only one stacking table can be provided to store empty trays and trays carrying battery modules at the same time, which is conducive to the miniaturization of the battery assembly system.

[0010] In a possible implementation of the present disclosure, the reflow device includes a diverter device, a first reflow flow line and a second reflow flow line; the first end of the diverter device is connected to the assembly device through the assembly flow line, the second end of the diverter device is connected to one end of the stacking table through the first reflow flow line, and the third end of the diverter device is connected to the other end of the stacking table through the second reflow flow line; wherein the diverter device is used to divert trays carrying different types of assembled battery modules to the corresponding first reflow flow line or the second reflow flow line according to the type of assembled battery modules.

[0011] The above-mentioned technical means, since a diverter device is provided in the reflow device, and the first end of the diverter device is connected to the assembly flow line, the second end of the diverter device is connected to the first reflow flow line, and the third end of the diverter device is connected to the second reflow flow line, different types of pallets can be diverted and transported to corresponding different reflow flow lines through the diverter device. On the one hand, different pallets and / or pallets carrying assembled battery modules can be transported to the stacking table through the corresponding reflow flow lines. On the other hand, cache positions can be increased through at least two reflow flow lines to reduce the risk of congestion of pallets during the reflow process.

[0012] In a possible implementation of the present disclosure, the diversion device includes a diversion bracket, a diversion lifting mechanism and a diversion conveying mechanism; the diversion bracket is installed at a position corresponding to the first return flow line, one end of the diversion lifting mechanism is connected to the diversion bracket, and the other end is connected to the diversion conveying mechanism; wherein the diversion lifting mechanism can drive the diversion conveying mechanism to move along a third direction, the diversion conveying mechanism is used to support the pallet, and can transport the pallet to the first return flow line along the first direction, and the first direction intersects with the third direction.

[0013] The above-mentioned technical means, since a diversion bracket is provided in the diversion device, can provide an installation position for other components in the diversion device through the diversion bracket, and can fix the diversion device to the corresponding work station through the diversion bracket. In addition, a diversion conveying mechanism is provided, and the original movement direction of the pallet can be changed by the diversion conveying mechanism to transport some pallets to the first return flow line. At the same time, a diversion jacking mechanism is provided between the diversion conveying mechanism and the diversion bracket, and the diversion jacking mechanism can be used to drive the diversion conveying mechanism to move, thereby changing the position of the diversion conveying mechanism relative to the second return flow line, so that the pallets that need to be transported along the first return flow line can be supported on the diversion conveying mechanism, thereby realizing the diversion of the pallets.

[0014] In a possible implementation of the present disclosure, the diverter conveying mechanism includes a diverter conveying drive assembly and a diverter frame; the diverter frame is installed on the diverter lifting mechanism, and the diverter conveying drive assembly is installed on the diverter frame; wherein, the diverter conveying drive assembly is used to support the pallet and can transport the pallet along the first direction.

[0015] The above-mentioned technical means, since a diversion frame is provided in the diversion conveying mechanism, the diversion conveying mechanism can be connected to the diversion jacking mechanism through the diversion frame; at the same time, a diversion conveying drive assembly is provided on the diversion frame, and the diversion conveying drive assembly is configured to be a structure that can generate movement along the first direction. Then, under the drive of the diversion jacking mechanism, the diversion conveying drive assembly can first be brought into contact with the pallet that needs to be diverted to support the pallet on the diversion conveying drive assembly, and then the pallet is transported to the first return flow line through the diversion conveying drive assembly.

[0016] In a possible implementation of the present disclosure, the reflow device also includes a lifting device and a third reflow flow line; one end of the lifting device is connected to the second end of the diversion device through the first reflow flow line, and the other end of the lifting device is connected to one end of the stacking table through the third reflow flow line; the third end of the diversion device is connected to the other end of the lifting device through the second reflow flow line; the lifting device is used to transport the pallet located on the first reflow flow line or the second reflow flow line to the third reflow flow line according to the scheduling instruction; wherein, along the third direction, at least a part of the second reflow flow line and the assembly flow line overlap, and at least another part of the second reflow flow line and the third reflow flow line overlap.

[0017] The above-mentioned technical means, since a lifting device is provided in the reflow device, and the first reflow flow line and the second reflow flow line are both connected to the lifting device, and the lifting device is further connected to the stacking platform through the third reflow flow line, the reflow process of the trays located on the first reflow flow line and the second reflow flow line can be scheduled through the lifting device to control the progress of the trays and the assembled battery modules located on the trays to flow back to the stacking platform, thereby reducing the congestion of the trays and the assembled battery modules on the stacking platform or on the reflow flow line; at the same time, the second reflow flow line is overlapped with the assembly flow line and the third reflow flow line respectively, which can reduce the space occupied by the second reflow flow line, thereby reducing the volume of the battery assembly system.

[0018] In a possible implementation of the present disclosure, the lifting device includes a lifting bracket, a lifting mechanism and a lifting and conveying mechanism; the lifting mechanism is installed on the lifting bracket, and the lifting and conveying mechanism is installed on the lifting mechanism; wherein the lifting mechanism can drive the lifting and conveying mechanism to move along a third direction relative to the lifting bracket, and the lifting and conveying mechanism is used to transport the pallet to a third return flow line along the second direction; the second direction and the third direction have an angle.

[0019] The above-mentioned technical means, since a lifting bracket is provided in the lifting device, the lifting bracket can provide an installation position for each component in the lifting device, and the lifting device can be installed at the corresponding work station through the lifting bracket; and a lifting mechanism installed on the lifting bracket is provided in the lifting device, and movement along the third direction can be generated by the lifting mechanism, so that the pallet can be transported to the position corresponding to the third return flow line through the lifting mechanism; at the same time, a lifting and conveying mechanism is provided on the lifting mechanism, and the pallet corresponding to the third return flow line can be transported to the third return flow line through the lifting and conveying mechanism.

[0020] In a possible implementation of the present disclosure, the lifting mechanism includes a lifting drive assembly, a lifting guide assembly and a lifting frame; the lifting guide assembly is installed on the lifting bracket, the lifting frame is installed on the lifting guide assembly, one end of the lifting drive assembly is connected to the lifting bracket, and the other end is connected to the lifting frame; wherein, under the drive of the lifting drive assembly, the lifting frame can move along a third direction.

[0021] The above-mentioned technical means, since a lifting guide assembly is provided in the lifting mechanism, the movement direction of the lifting frame can be limited by the lifting guide assembly, and the lifting frame can provide an installation position for the lifting and transporting mechanism so that the lifting and transporting mechanism can be installed on the lifting mechanism; at the same time, a lifting drive assembly is provided between the lifting bracket and the lifting frame, and the lifting drive assembly can provide driving force to the lifting frame to drive the lifting frame to move along the third direction.

[0022] In a possible implementation of the present disclosure, the lifting and conveying mechanism includes a lifting and conveying frame and a lifting and conveying drive assembly; the lifting and conveying frame is installed on the lifting frame, and the lifting and conveying drive assembly is installed on the lifting and conveying frame; wherein, the lifting and conveying drive assembly is used to support the pallet and can convey the pallet to the third return flow line along the second direction.

[0023] According to the above technical means, since a lifting and conveying frame is provided in the lifting and conveying mechanism, the lifting and conveying mechanism can be connected to the lifting frame through the lifting and conveying frame to connect the lifting and conveying mechanism to the lifting mechanism; at the same time, a lifting and conveying drive assembly is provided on the lifting and conveying frame, and the lifting and conveying drive assembly is configured to be a structure that can generate movement along the second direction. Then, under the drive of the lifting mechanism, the lifting and conveying drive assembly can transport the pallet to the position corresponding to the third return flow line, and then the pallet can be transported to the third return flow line through the lifting and conveying drive assembly.

[0024] In a possible implementation of the present disclosure, the lifting device also includes a lifting limiting mechanism, and a lifting limiting mechanism is respectively provided at both ends of the lifting and conveying frame along the second direction. The lifting limiting mechanism can move along the third direction to limit the movement of the pallet relative to the lifting and conveying mechanism along the second direction.

[0025] The above-mentioned technical means, since a lifting limit mechanism is provided in the lifting device, can limit the movement position of the pallet on the lifting and conveying mechanism through the lifting limit mechanism, so that the pallet can stop at a certain position on the lifting and conveying mechanism, thereby reducing the risk of the pallet rushing out of the lifting and conveying mechanism.

[0026] In a possible implementation of the present disclosure, the lifting device further includes a lifting detection member. In the second direction, the lifting detection members are respectively provided at both ends of the lifting device, and the lifting detection members are used to detect the movement state of the pallet.

[0027] The above-mentioned technical means, since a lifting detection part is provided in the lifting device, can detect the movement state of the pallet on the lifting and conveying mechanism through the lifting detection part, such as detecting whether the pallet has moved into place, or detecting whether the pallet is moving to the lifting and conveying mechanism, or detecting whether the pallet has been separated from the lifting and conveying mechanism, so that the movement action that the lifting device needs to perform next can be controlled according to the detected movement state of the pallet.

[0028] In a possible implementation of the present disclosure, the assembly device includes a pressurizing device, which includes a pressurizing bracket and a pressurizing mechanism; the pressurizing bracket is arranged at a position corresponding to the assembly flow line, and the pressurizing mechanism is installed on the pressurizing bracket, and the pressurizing mechanism is used to apply a pressing force to the battery module to be assembled; the assembly flow line can transport the pallet carrying the battery module to be assembled to the position in the pressurizing device corresponding to the pressurizing mechanism.

[0029] The above-mentioned technical means, since a pressurizing device is provided in the assembly device, and the pressurizing device is provided in a structural form including a pressurizing bracket and a pressurizing mechanism, can provide an installation position for other components in the pressurizing device through the pressurizing bracket, and install the pressurizing device at the corresponding work station; and can apply a pressing force to the battery module to be assembled through the pressurizing mechanism, so that the battery module reaches the desired structural state.

[0030] In a possible implementation of the present disclosure, the pressurizing device further includes a pressurizing moving mechanism, which is movably disposed on the pressurizing bracket and can move relative to the pressurizing bracket along a first direction.

[0031] The above-mentioned technical means, since a pressurizing movable mechanism is movably provided on the pressurizing bracket of the pressurizing device, and the pressurizing movable mechanism can move relative to the pressurizing bracket along the first direction, on the one hand, the pressurizing movable mechanism can provide an installation point for the pressurizing mechanism and other mechanisms, and on the other hand, the pressurizing movable mechanism can drive the pressurizing mechanism and other mechanisms arranged on the pressurizing movable mechanism to move along the first direction, so that in the process of transporting the battery module to be assembled from the assembly flow line to the pressurizing device, the battery module to be assembled can be avoided, and after the battery module to be assembled is in place in the pressurizing device, the pressurizing movable mechanism can drive the pressurizing mechanism and other mechanisms to move in the direction close to the battery module to be assembled.

[0032] In a possible implementation of the present disclosure, the pressurizing mechanism includes a pressurizing drive assembly, a pressurizing guide assembly and a pressurizing member; the pressurizing guide assembly is connected to the pressurizing moving mechanism and extends along the second direction, the pressurizing member is installed on the pressurizing guide assembly, one end of the pressurizing drive assembly is connected to the pressurizing moving mechanism, and the other end is connected to the pressurizing member; wherein, under the drive of the pressurizing drive assembly, the pressurizing member can move along the second direction to abut against or separate from the battery module to be assembled; the first direction and the second direction have an angle.

[0033] The above-mentioned technical means, since a pressurizing guide assembly extending along the second direction is provided in the pressurizing mechanism, the pressurizing piece can be connected to the pressurizing guide assembly, and the pressurizing piece can be moved along the second direction through the pressurizing guide assembly; and a pressurizing drive assembly connected to the pressurizing moving mechanism and the pressurizing piece is provided, and the pressurizing drive assembly can provide driving force to the pressurizing piece, so that the pressurizing piece can reciprocate along the second direction through the pressurizing guide assembly, thereby making the pressurizing piece abut against or separate from the battery module to be assembled, and then providing a pressing force to the battery module to be assembled along the second direction, so as to press and compress the battery module to be assembled.

[0034] In a possible implementation of the present disclosure, the pressurizing device also includes a pressurizing lateral limiting mechanism, which includes a pressurizing lateral limiting driving member and a pressurizing lateral limiting member; the pressurizing lateral limiting driving member is connected to the pressurizing moving mechanism, and the pressurizing lateral limiting member is installed on the pressurizing lateral limiting driving member; wherein, under the drive of the pressurizing lateral limiting driving member, the pressurizing lateral limiting member can move along the second direction to abut against or separate from the tray.

[0035] The above-mentioned technical means, since a pressurized transverse limit driving member is provided on the pressurized moving mechanism, and a pressurized transverse limit driving member is provided on the output shaft of the pressurized transverse limit driving member, can drive the pressurized transverse limit mechanism to move to a position corresponding to one side of the pallet through the pressurized moving mechanism, and then drive the pressurized transverse limit driving member to move along the second direction, so that the pressurized transverse limit can be abutted against or separated from one side of the pallet, and then the pallet can be limited along the second direction.

[0036] In a possible implementation of the present disclosure, the pressurizing device also includes a tightening mechanism, which includes a tightening drive and a tightening member; the tightening drive is connected to the pressurizing moving mechanism, and the tightening member is connected to the tightening drive; wherein, under the drive of the tightening drive, the tightening member can move along the second direction so that the tightening member is connected to the adjusting member on the tray, and the tightening member is used to drive the adjusting member to move, so as to drive the pressure maintaining assembly on the tray to abut against the pressurized battery module through the adjusting member.

[0037] The above-mentioned technical means, since a tightening mechanism is provided in the pressurizing device, and the tightening mechanism is provided to include a connected tightening driving member and a tightening member, the tightening driving member can drive the tightening member to move along the second direction so that the tightening member is connected to the adjusting member in the tray, and the tightening member can also drive the adjusting member to rotate, so as to drive the pressure-maintaining assembly in the tray to move through the adjusting member, so that the pressure-maintaining assembly can be brought into contact with the pressurized battery module, so that the pressurized battery module can be kept in the tightened shape through the pressure-maintaining assembly.

[0038] In a possible implementation of the present disclosure, the pressurizing device also includes a pole limiting mechanism, which includes a pole vertical driving assembly, a pole vertical guiding assembly and a pole limiting piece; the pole vertical guiding assembly is installed on the pressurizing moving mechanism and extends along a third direction, the pole limiting piece is installed on the pole vertical guiding assembly, one end of the pole vertical driving assembly is connected to the pressurizing moving mechanism, and the other end is connected to the pole limiting piece; wherein, under the drive of the pole vertical driving assembly, the pole limiting piece can move along the third direction to abut or separate from the battery module to be assembled; the third direction has an angle with the first direction.

[0039] The above-mentioned technical means, since a pole limiting mechanism is provided in the pressurizing device, can drive the pole limiting member to move along the third direction through the pole vertical driving assembly in the pole limiting mechanism, so that the pole limiting member abuts against the pole on the battery module to be assembled, thereby limiting the movement of the pole and reducing the deformation of the pole during the extrusion process of the battery module to be assembled.

[0040] In a possible implementation of the present disclosure, the pole limiting mechanism also includes a pole transverse drive assembly and a pole transverse guide assembly; the pole transverse guide assembly is connected to the pressurized moving mechanism, one end of the pole transverse drive assembly is connected to the pressurized moving mechanism, and the other end is connected to the pole transverse guide assembly, the pole vertical guide assembly is connected to the pole transverse guide assembly, and the pole vertical drive assembly is arranged on the pole transverse guide assembly; wherein, under the drive of the pole transverse drive assembly, the pole vertical guide assembly can move along the second direction to drive the pole limiting member to move along the second direction.

[0041] The above-mentioned technical means, since a pole transverse drive assembly and a pole transverse guide assembly are provided in the pole limiting mechanism, and the pole transverse guide assembly is provided as a structure extending along the second direction, the pole transverse drive assembly can drive the pole vertical guide assembly to move along the second direction, thereby driving the pole limiting member to move along the second direction, thereby adjusting the position of the pole limiting member along the second direction, and then making the pole limiting mechanism correspond to the pole positions of different types of battery modules to be assembled, so as to improve the applicability of the pressurizing device.

[0042] In a possible implementation of the present disclosure, the pressurizing device also includes a pressurizing lifting mechanism and a pressurizing longitudinal limiting mechanism; the pressurizing lifting mechanism is installed on the pressurizing bracket, the pressurizing lifting mechanism is used to support the pallet, and can drive the pallet to move along the third direction; the pressurizing longitudinal limiting mechanism is installed on the pressurizing bracket, and can move along the first direction to abut or separate from the pallet.

[0043] The above-mentioned technical means, because the pressurizing device is provided with a pressurizing lifting mechanism, can be used to lift the tray to a certain height so that the battery modules to be assembled on the tray are at a predetermined height. Furthermore, the pressurizing device is provided with a pressurizing longitudinal limiting mechanism, which can limit the position of the tray relative to the pressurizing device along a first direction, so that the tray and the battery modules to be assembled are fixed in position along the first direction.

[0044] In a possible implementation of the present disclosure, the assembly device also includes an installation device and a shaping device; the installation device is arranged at a position corresponding to the assembly flow line and is located on the side of the pressurizing device close to the stacking platform, and the installation device is used to install the parts to be assembled on the battery module to be assembled; the shaping device is arranged at a position corresponding to the assembly flow line and is located on the side of the pressurizing device away from the stacking platform, and the shaping device is used to set a shaping component for the pressurized battery module, so that the pressurized battery module maintains its existing shape through the shaping component.

[0045] The above-mentioned technical means, since an installation device is provided in the assembly device, the installation device can be used to install the required parts on the battery module to be assembled; at the same time, a shaping device is provided in the assembly device, and the shaping device can be used to set a shaping component on the pressurized battery module after being pressurized by the pressurizing device, so that the battery module maintains its existing shape.

[0046] A second aspect of the present disclosure provides a battery production line, which includes: a battery assembly system, production equipment, transfer equipment and a robot provided in any one of the first aspects above; wherein the production equipment is used to produce battery modules to be assembled; the transfer equipment is used to transport the battery modules to be assembled from the production equipment to a stacking table, or to transport the assembled battery modules from the stacking table to a target workstation; the robot is arranged at a position corresponding to the stacking table, and the robot is used to take the battery modules to be assembled from the transfer equipment and place them on a pallet located on the stacking table, or to take the assembled battery modules in the pallet out of the pallet and place them on the transfer equipment.

[0047] The above-mentioned technical means, since a transfer equipment is provided on the battery production line, the battery modules can be transported by the transfer equipment so that the battery modules can reach different target workstations; and a robot is provided near the stacking table, which can move the battery modules from the stacking table to the transfer equipment, or from the transfer equipment to the pallet on the stacking table, thereby improving the production efficiency of the battery; at the same time, a battery assembly system is provided, which can reduce the risk of congestion during the pallet reflow process and is conducive to the miniaturization of the battery assembly system.

[0048] A third aspect of the present disclosure provides a control method for a battery assembly system, which includes a stacking table, an assembly device, an assembly flow line connecting one end of the stacking table with one end of the assembly device, and a reflux device connecting the other end of the stacking table with the other end of the assembly device; the control method for the battery assembly system includes: in response to an assembly instruction, controlling the assembly flow line to transport the battery module to be assembled on the stacking table to the assembly device; controlling the assembly device to perform an assembly action on the battery module to be assembled; and controlling the reflux device to transport the assembled battery module to the stacking table, wherein the assembled battery module includes the battery module that has been assembled by the assembly device.

[0049] The above-mentioned technical means, since the battery modules to be assembled located on the stacking table are transported through the assembly flow line, the battery modules to be assembled can be transported to the corresponding assembly device by controlling the assembly flow line; and the assembly device can be controlled to perform corresponding assembly actions on the battery modules to be assembled to realize the assembly of the battery modules to be assembled; at the same time, the assembly device is connected to the stacking table through a reflow device, and the operation process of the reflow device can be controlled to make the tray and the completely assembled battery module return to the stacking table. Compared with transporting the assembled battery module directly from the assembly device to the stacking table, by controlling the reflow device, not only can the tray and the battery module be temporarily cached in the reflow device through the cache position provided by the reflow device, but the reflow process of the tray and the battery module can also be better and more reasonably scheduled, so that the tray and the battery module can not only quickly return to the stacking table, but also reduce the risk of congestion of the tray and the battery module during the reflow process.

[0050] In a possible implementation of the present disclosure, the assembly device includes a pressurizing device, one end of the pressurizing device is connected to the stacking table through the assembly flow line, and the other end of the pressurizing device is connected to the reflux device through the assembly flow line; the pressurizing device includes a pressurizing jacking mechanism, a pressurizing limiting mechanism, a pole limiting mechanism, a pressurizing mechanism and a tightening mechanism; the assembly instruction includes a pressurizing instruction; the assembly device is controlled to perform an assembly process on the battery module to be assembled, including: in response to the pressurizing instruction, the pressurizing jacking mechanism is controlled to perform a lifting action to drive the pallet transported from the assembly flow line to the pressurizing jacking mechanism to move in a third direction; the pallet carries the battery module to be assembled; the pressurizing limiting mechanism is controlled to perform a pressurizing action The pressing limit action is to make the pressing limit mechanism abut against the tray to limit the movement of the tray in a plane perpendicular to the third direction; the pole limiting mechanism is controlled to move toward the battery module to be assembled carried on the tray to make the pole limiting mechanism abut against the pole on the battery module to be assembled; the pressing mechanism is controlled to perform a pressing action to make the pressing mechanism move along the second direction to abut against the battery module to be assembled, and until the pressure applied by the pressing mechanism to the battery module to be assembled reaches a preset pressing value; the second direction and the third direction have an angle; the tightening mechanism is controlled to perform a tightening action to move the pressure holding component on the tray to the preset pressure holding position to continuously provide a clamping force to the assembled battery module.

[0051] The above-mentioned technical means, by controlling the pressurizing jacking mechanism to perform the jacking action, can make the battery module to be assembled move along the third direction to the position where the clamping force is to be applied; by controlling the pressurizing limiting mechanism to perform the pressurizing limiting action, the tray can be limited by the pressurizing limiting mechanism; by controlling the pole limiting mechanism to perform the limiting action, the movement of the pole can be restricted by the pole limiting mechanism; by controlling the pressurizing mechanism to perform the pressurizing action, the clamping action of the battery module to be assembled can be completed, so that the battery module to be assembled has the required tightness; by controlling the tightening mechanism to perform the tightening action, the pressure maintaining component can continuously provide clamping force to the battery module to be assembled.

[0052] In a possible implementation of the present disclosure, the reflow device includes a diverter device, a lifting device, and a first reflow flow line connecting the second end of the diverter device and one end of the lifting device; the assembly instruction also includes a diverter instruction; the reflow device is controlled to transport the assembled battery modules to the stacking station, including: when the pallet reaches a preset diverter position, in response to the diverter instruction, obtaining the pallet type information of the pallet; the pallet carries an assembled battery module that matches the pallet type information; based on the pallet type information, the diverter device is controlled to change the movement direction of the first pallet transported from the assembly flow line to the diverter device, so as to divert the first pallet to the first reflow flow line.

[0053] The above-mentioned technical means obtains the pallet type information of the pallet when the pallet reaches the preset diversion position, and can determine whether it is necessary to change the movement direction of the pallet through the diversion device based on the pallet type information so that the pallet moves to the first return flow line; when it is determined that the pallet is the first pallet, the diversion action can be performed by the diversion device to transport the first pallet to the first return flow line.

[0054] In a possible implementation of the present disclosure, the reflow device also includes a second reflow flow line and a third reflow flow line, the third end of the diversion device is connected to the other end of the lifting device through the second reflow flow line, and the other end of the lifting device is also connected to the stacking platform through the third reflow flow line; the lifting device includes a lifting mechanism and a lifting and conveying mechanism connected to the lifting mechanism; the assembly instruction also includes a scheduling instruction; controlling the reflow device to transport the assembled battery module to the stacking platform, also includes: in response to the scheduling instruction, controlling the first reflow flow line or the second reflow flow line to transport the tray to be lifted in the tray matching the scheduling instruction to the lifting and conveying mechanism; controlling the lifting mechanism to perform a lifting action to drive the lifting and conveying mechanism to transport the tray to be lifted to the position corresponding to the third reflow flow line; controlling the lifting and conveying mechanism to perform a lifting and conveying action to transport the tray to be lifted to the third reflow flow line.

[0055] The above-mentioned technical means, by controlling the first return flow line or the second return flow line to perform the conveying action, can convey the pallet to be lifted corresponding to the scheduling instruction to the lifting and conveying mechanism; controlling the lifting mechanism in the lifting device to perform the lifting action, can convey the pallet to be lifted to the position corresponding to the third return flow line; controlling the lifting and conveying mechanism to perform the conveying action, can convey the pallet to be lifted to the third return flow line to complete the lifting of the pallet to be lifted. BRIEF DESCRIPTION OF THE DRAWINGS

[0056] Various other advantages and benefits will become apparent to those skilled in the art upon reading the detailed description of the preferred embodiment below. The accompanying drawings are for illustration purposes only and are not to be considered as limiting the present disclosure. The same reference numerals are used throughout the drawings to denote the same components. In the drawings:

[0057] FIG1 is a schematic diagram of the structure of a battery production line provided by an embodiment of the present disclosure;

[0058] FIG2 is a first structural diagram of a flow diversion device provided in an embodiment of the present disclosure;

[0059] FIG3 is a second structural diagram of a flow diversion device provided in an embodiment of the present disclosure;

[0060] FIG4 is a schematic structural diagram of a lifting device provided in an embodiment of the present disclosure;

[0061] FIG5 is a schematic structural diagram of a portion of the mechanism in the lifting device provided in an embodiment of the present disclosure;

[0062] FIG6 is a schematic structural diagram of a pressurizing device provided in an embodiment of the present disclosure;

[0063] FIG7 is a first structural diagram of a portion of the mechanism of the pressurizing device provided in an embodiment of the present disclosure;

[0064] FIG8 is a schematic structural diagram of a pole limiting mechanism in a pressurizing device provided in an embodiment of the present disclosure;

[0065] FIG9 is a second structural diagram of a portion of the mechanism of the pressurizing device provided in an embodiment of the present disclosure;

[0066] FIG10 is a flowchart of a control method for a battery assembly system according to an embodiment of the present disclosure;

[0067] FIG11 is a second flowchart of a control method for a battery assembly system according to an embodiment of the present disclosure;

[0068] FIG12 is a third flowchart of a control method for a battery assembly system according to an embodiment of the present disclosure;

[0069] FIG13 is a fourth flowchart of the control method of the battery assembly system provided in an embodiment of the present disclosure.

[0070] Explanation of the accompanying reference numerals: 1-pressurizing device; 11-pressurizing support; 12-pressurizing moving mechanism; 121-moving support; 122-moving drive assembly; 123-moving guide assembly; 13-pressurizing mechanism; 131-pressurizing drive assembly; 132-pressurizing guide assembly; 133-pressurizing member; 134-pressurizing connecting member; 14-pressurizing transverse limiting mechanism; 141-pressurizing transverse limiting drive member; 142-pressurizing transverse limiting member; 143-transverse connecting member; 15-tightening mechanism; 151-tightening drive member; 152-tightening member; 153 - Tightening connector; 16- Pole limiting mechanism; 161- Pole vertical drive assembly; 162- Pole vertical guide assembly; 163- Pole limiting member; 164- Pole lateral drive assembly; 165- Pole lateral guide assembly; 166- Pole limiting connector; 167- Limiting bracket; 168- Adjusting drive assembly; 169- Adjusting guide assembly; 17- Pressurized lifting mechanism; 171- Pressurized lifting drive member; 172- Lifting bracket; 18- Pressurized longitudinal limiting mechanism; 19- Pressurized in-place detection member; 2- Assembly flow line; 31-first return flow line; 32-second return flow line; 33-third return flow line; 4-diverter; 41-diverter bracket; 42-diverter lifting mechanism; 421-diverter lifting drive member; 422-diverter lifting guide member; 43-diverter conveying mechanism; 431-diverter conveying drive assembly; 432-diverter frame; 44-diverter cover; 5-lifting device; 51-lifting bracket; 52-lifting mechanism; 521-lifting drive assembly; 522-lifting guide assembly; 523-lifting frame; 53- Lifting and conveying mechanism; 531-lifting and conveying frame; 532-lifting and conveying drive assembly; 54-lifting limit mechanism; 541-first lifting limit mechanism; 542-second lifting limit mechanism; 55-lifting detection member; 551-first lifting detection member; 552-second lifting detection member; 553-third lifting detection member; 6-layer changing mechanism; 7-stacking table; 81-installation device; 82-first shaping device; 83-second shaping device; 84-reserved work station; C-first direction; D-second direction; E-third direction. DETAILED DESCRIPTION

[0071] The following embodiments of the technical solution of the present disclosure are described in detail with reference to the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present disclosure and are therefore only examples and are not intended to limit the scope of protection of the present disclosure.

[0072] Unless otherwise defined, all technical and scientific terms used herein have the same meanings as commonly understood by those skilled in the art to which the present disclosure belongs; the terms used herein are only for the purpose of describing specific embodiments and are not intended to limit the present disclosure; the terms "including" and "having" and any variations thereof in the specification of the present disclosure and the above-mentioned drawings are intended to cover non-exclusive inclusions.

[0073] In the description of the embodiments of the present disclosure, technical terms such as "first," "second," and "third" are used solely to distinguish different objects and should not be understood to indicate or imply relative importance or to implicitly specify the quantity, specific order, or primary and secondary relationship of the technical features indicated. In the description of the embodiments of the present disclosure, "plurality" means more than two, unless otherwise specifically defined.

[0074] References herein to "embodiments" mean that a particular feature, structure, or characteristic described in connection with the embodiments may be included in at least one embodiment of the present disclosure. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor does it constitute an independent or alternative embodiment that is mutually exclusive of other embodiments. It is understood, both explicitly and implicitly, by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0075] In the description of the embodiments of the present disclosure, the term "and / or" is simply a description of the association relationship between associated objects, indicating that three relationships can exist. For example, A and / or B can represent three situations: A exists alone, A and B exist simultaneously, and B exists alone. In addition, the character " / " in this document generally indicates that the associated objects are in an "or" relationship.

[0076] In the description of the embodiments of the present disclosure, the orientations or positional relationships indicated by technical terms such as "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", and "circumferential" are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the embodiments of the present disclosure and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed, operated or used in a specific orientation. Therefore, they should not be understood as limiting the embodiments of the present disclosure.

[0077] In the description of the embodiments of the present disclosure, unless otherwise expressly specified or limited, technical terms such as "installed," "connected," "connect," and "fixed" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integration; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and can refer to internal connectivity between two components or interaction between two components. Those skilled in the art can understand the specific meanings of the above terms in the embodiments of the present disclosure based on specific circumstances.

[0078] In the description of the embodiments of the present disclosure, unless otherwise clearly specified and limited, the technical term "contact" should be understood in a broad sense, and can be direct contact, contact through an intermediate medium layer, contact with essentially no interaction force between the two contacting parties, or contact with interaction force between the two contacting parties.

[0079] Hereinafter, the present disclosure will be described in detail.

[0080] Currently, new energy batteries are increasingly being used in everyday life and industry. They are not only used in energy storage systems such as hydropower, thermal power, wind power, and solar power plants, but are also widely used in electric vehicles like electric bicycles, electric motorcycles, and electric cars, as well as in a variety of fields such as aerospace. As the application of power batteries continues to expand, market demand is also growing.

[0081] During the battery production process, different types of batteries can be produced on the same production line. Thus, when different types of batteries are transported on the production line, or when the same type of batteries are carried on pallets in different arrangements, different types of pallets can be used to carry different types of batteries on corresponding pallets, or batteries with different arrangements can be carried on corresponding pallets. The pallets and batteries can then be transported by a transport device in the battery assembly system to the corresponding workstations.

[0082] In the related art, during the transportation of pallets loaded with batteries or empty pallets, different pallet types, different batteries loaded on pallets, or batteries arranged in different ways on pallets can easily lead to pallets being delivered to the wrong workstation. Alternatively, a large number of pallets can cause congestion in the battery assembly system, preventing the batteries from being delivered to the appropriate workstation in a timely manner. Therefore, a battery assembly system is needed that can accurately and quickly dispatch different types of pallets to improve battery production efficiency.

[0083] An embodiment of the present disclosure provides a battery assembly system, with reference to FIG1 , which is a schematic diagram of the composition structure of the battery production line provided by the embodiment of the present disclosure. As shown in FIG1 , the battery assembly system includes: a stacking table 7, an assembly device, an assembly flow line 2, and a reflow device; wherein the stacking table 7 is used to store pallets and battery modules located in the pallets; one end of the assembly device is connected to one end of the stacking table 7 via the assembly flow line 2, the assembly device is used to perform an assembly process on the battery modules to be assembled, and the assembly flow line 2 is used to transport the pallets carrying the battery modules to be assembled to the assembly device; the other end of the assembly device is connected to the other end of the stacking table 7 via the reflow device, and the reflow device is used to transport the pallets carrying the assembled battery modules to the stacking table 7.

[0084] The stacking platform 7 in the disclosed embodiment can be used to store trays carrying battery modules or empty trays. A single-row battery module group can be placed on a single-row module tray, or a double-row battery module group can be placed on a double-row module tray. The stacking platform 7 can be a frame structure with multiple storage locations, which can simultaneously store multiple empty trays or trays carrying battery modules.

[0085] The assembly device in the embodiments of the present disclosure can be used to assemble battery modules that have not yet completed some assembly process steps in the production process. The assembly device can be a single device or multiple devices. For example, the assembly device can be used to apply pressure to the battery module to squeeze the multiple battery cells in the battery module to compress the multiple battery cells. The assembly device can also be a shaping device used to shape and fix the battery module. The assembly device can also be an installation station for installing parts on the battery module.

[0086] In the disclosed embodiment, multiple assembly devices in the battery assembly system can be sequentially connected via an assembly flow line 2, so that battery modules to be assembled can be transferred and transported between the various assembly devices via the assembly flow line 2. The stacking table 7 can also be connected to the assembly device via the assembly flow line 2, so that the battery modules to be assembled can be transported to the assembly device via the assembly flow line 2. The assembly flow line 2 can be a conveyor line body capable of transporting pallets, and the pallets can move on the conveyor line body along the extension direction of the conveyor line body.

[0087] The reflow device in the embodiment of the present disclosure is used to transport the tray carrying the battery modules that have completed the assembly process back to the stacking station 7, so that the assembled battery modules and the tray carrying the assembled battery modules are returned to the stacking station 7 together. For example, the reflow device can be configured to include a reflow flow line and some devices that can change the direction of the tray transportation.

[0088] The above-mentioned battery assembly system, since it is provided with a stacking table 7, can provide storage locations for battery modules and trays through the stacking table 7, so that empty trays and battery modules can be stored on the stacking table 7. In addition, an assembly device is provided, and the assembly device is connected to the stacking table 7 through the assembly flow line 2, so that the battery modules to be assembled can be transported to the assembly device through the assembly flow line 2. At the same time, a reflux device is provided, and the output end of the assembly device is connected to the other end of the stacking table 7, so that the assembled battery modules and trays can be transported to the stacking table 7 again through the reflux device. In this way, on the one hand, multiple cache positions can be provided for the trays through the reflux device to reduce the risk of blockage during the tray reflow process; on the other hand, only one stacking table 7 can be provided to store empty trays and trays carrying battery modules at the same time, which is conducive to the miniaturization of the battery assembly system.

[0089] In some embodiments, as shown in FIG1 , the reflow device can be configured to include a diverter device 4, a first reflow flow line 31, and a second reflow flow line (not shown in FIG1 ). The first end of the diverter device 4 is connected to the assembly device via the assembly flow line 2, the second end of the diverter device 4 is connected to one end of the stacking platform 7 via the first reflow flow line 31, and the third end of the diverter device 4 is connected to the other end of the stacking platform 7 via the second reflow flow line. The diverter device 4 is used to divert trays carrying different types of assembled battery modules to the corresponding first reflow flow line 31 or second reflow flow line, depending on the type of assembled battery modules.

[0090] In the disclosed embodiment, battery modules come in different types, and correspondingly, the types of trays used to carry the battery modules also vary. Thus, there are at least two different types of trays, for example, single-row module trays and double-row module trays. The reflow device can be configured to include at least two reflow flow lines, so that different types of trays are transported to the stacking station 7 via different reflow flow lines during the reflow process. Furthermore, a diversion device 4 can be provided within the reflow device to divert different types of trays to corresponding reflow flow lines.

[0091] Exemplarily, as shown in FIG1 , the diverter device 4 can be set at one end of the assembly flow line 2 away from the stacking table 7. For example, the assembly flow line 2 can be extended along the second direction D shown in FIG1 . And in the direction perpendicular to the paper surface in FIG1 , a part of the assembly flow line 2 away from the stacking table 7 can be set as a double-layer structure stacked up and down, and a layer changing mechanism 6 can be set on this part of the assembly flow line 2 with the double-layer structure stacked up and down, and the layer changing mechanism 6 can be used to transport the pallets located on the upper layer of the assembly flow line 2 to the lower layer of the assembly flow line 2. In the direction perpendicular to the paper surface, the diverter device 4 can be set below the upper layer of this part of the assembly flow line 2 with the double-layer structure. In the second direction D, the first end of the diverter device 4 can be connected to the end of the assembly flow line 2 away from the stacking table 7, that is, the first end of the diverter device 4 can be connected to the end of the assembly flow line 2 located at the lower layer, and the assembly flow line 2 can be connected to the assembly device between the diverter device 4 and the stacking table 7. In this way, the battery modules that have completed the assembly process in the assembly device can be transported to the diversion device 4 through the assembly flow line 2.

[0092] In another example, along the first direction C, the second end of the diverter device 4 can be connected to one end of the first return flow line 31, and the other end of the first return flow line 31 can be connected to the stacking platform 7. The second direction D and the first direction C form an angle. The angle between the second direction D and the first direction C can be a right angle, an angle close to a right angle, or an angle of other degrees, which is not limited in the present embodiment.

[0093] As another example, along the second direction D, the third end of the diverter device 4 can be connected to the second return flow line, that is, the second return flow line and the assembly flow line 2 are respectively connected to the opposite ends of the diverter device 4. For example, a portion of the second return flow line can be set below the assembly flow line 2, that is, along the direction perpendicular to the paper in Figure 1, a portion of the second return flow line is overlapped with the assembly flow line 2 and covered by the assembly flow line 2. In this way, the diverter device 4 can have two diverter outlets. For example, the diverter device 4 can be configured to: divert a single-row module tray carrying a single-row battery module to the first return flow line 31, and divert a double-row module tray carrying a double-row battery module to the second return flow line.

[0094] In the above embodiment, since a diverter device 4 is provided in the reflow device, and the first end of the diverter device 4 is connected to the assembly flow line 2, the second end of the diverter device 4 is connected to the first reflow flow line 31, and the third end of the diverter device 4 is connected to the second reflow flow line, different types of pallets can be diverted and transported to corresponding different reflow flow lines through the diverter device 4. On the one hand, different pallets and / or pallets carrying assembled battery modules can be transported to the stacking table 7 through the corresponding reflow flow lines. On the other hand, cache positions can be increased through at least two reflow flow lines to reduce the risk of congestion of pallets during the reflow process.

[0095] In some embodiments, referring to Figures 2 and 3, Figure 2 is a structural schematic diagram of the diverter device provided in an embodiment of the present disclosure, and Figure 3 is a structural schematic diagram of the diverter device provided in an embodiment of the present disclosure. As shown in Figures 2 and 3, the diverter device 4 can be set to a structural form including a diverter bracket 41, a diverter lifting mechanism 42 and a diverter conveying mechanism 43; the diverter bracket 41 is installed at a position corresponding to the first return flow line 31, one end of the diverter lifting mechanism 42 is connected to the diverter bracket 41, and the other end is connected to the diverter conveying mechanism 43; wherein the diverter lifting mechanism 42 can drive the diverter conveying mechanism 43 to move along the third direction E, and the diverter conveying mechanism 43 is used to support the pallet, and can transport the pallet to the first return flow line 31 along the first direction C, and the first direction C intersects with the third direction E.

[0096] In the embodiment of the present disclosure, the diverter device 4 can be disposed within the second return flow line and at a position corresponding to the first return flow line 31. If the movement direction of a tray located on the second return flow line needs to be changed, the diverter device 4 can be used to change the movement direction of the corresponding tray so that the tray moves along the corresponding return flow line.

[0097] For example, as shown in Figure 3, in order to facilitate the fixed installation of the diverter device 4, a diverter bracket 41 can be set. Not only can other components of the diverter device 4 be set on the diverter bracket 41, but the diverter device 4 can also be fixed at a position corresponding to the first reflux flow line 31 through the diverter bracket 41.

[0098] In another example, since the diverter device 4 needs to place the pallet on the diverter device 4 before changing the pallet's movement direction, a diverter lifting mechanism 42 can be provided in the diverter device 4. When the pallet's movement direction needs to be changed, the diverter conveying mechanism 43 in the diverter device 4 can be driven to move by the diverter lifting mechanism 42, so that the pallet can be supported on the diverter conveying mechanism 43 and stop moving along the original movement direction. When the pallet's movement direction does not need to be changed, the diverter lifting mechanism 42 only needs to stop performing the lifting action, and the pallet can continue to move along the original movement direction. One end of the diverter lifting mechanism 42 can be connected to the diverter bracket 41 to install the diverter lifting mechanism 42 on the diverter bracket 41.

[0099] For example, the diverter lifting mechanism 42 can be configured as a structure capable of moving along a third direction E, and the third direction E can be a vertical direction or a direction close to the vertical direction. For example, the diverter lifting mechanism 42 can be configured as a structure including a diverter lifting drive 421 and a diverter lifting guide 422, wherein the diverter lifting drive 421 can be a drive such as an air cylinder, an oil cylinder, or an electric cylinder, and one end of the diverter lifting drive 421 is fixed to the diverter bracket 41, and the other end is fixed to the diverter conveying mechanism 43. The diverter lifting guide 422 can be a structure comprising a guide shaft and a guide sleeve in a sliding connection, wherein the guide shaft can be connected to the diverter bracket 41, and the guide sleeve can be connected to the diverter conveying mechanism 43, and the guide sleeve can slide relative to the guide shaft along the third direction E.

[0100] As another example, after a pallet is placed on the diverter device 4, the diverter device 4 needs to change the pallet's original direction of movement. A diverter conveyor mechanism 43 can be provided in the diverter device 4. The diverter conveyor mechanism 43 can support the pallet and move to transport the pallet to the corresponding position. The diverter conveyor mechanism 43 can be connected to the other end of the diverter lifting mechanism 42. During the movement of the diverter lifting mechanism 42, the diverter conveyor mechanism 43 can be driven to move together, so that the diverter conveyor mechanism 43 can support the pallet. For example, the movement direction of the diverter conveyor mechanism 43 can be set to the first direction C corresponding to the first return flow line 31.

[0101] Another example, as shown in Figure 2, when the pallet is transported by the second return flow line 32 and approaches the diverter device 4, if there is no need to change the transport direction of the pallet, the diverter lifting mechanism 42 in the diverter device 4 does not perform the lifting action, so that the diverter transport mechanism 43 is lower than the second return flow line 32 along the third direction E, so that the second return flow line 32 can continue to transport the pallet along the second direction D. If the transport direction of the pallet needs to be changed, when the pallet is transported to the top of the diversion device 4 along the second return flow line 32, the diversion lifting mechanism 42 is controlled to perform a lifting action, and the diversion lifting mechanism 42 drives the diversion conveying mechanism 43 to move along the third direction E in the direction close to the pallet until the diversion conveying mechanism 43 lifts the pallet to separate from the second return flow line 32. At this time, the diversion conveying mechanism 43 is relative to the first return flow line 31; then the diversion conveying mechanism 43 is controlled to move. When the diversion conveying mechanism 43 moves along the first direction C, the pallet supported on the diversion conveying mechanism 43 can be moved along the first direction C to the first return flow line 31, thereby completing the diversion of the pallet. The angle between the third direction E and the first direction C can be a right angle, an angle close to a right angle, or an angle of other degrees, which is not limited in the embodiments of the present disclosure.

[0102] In the above embodiment, since a diverter bracket 41 is provided in the diverter device 4, the diverter bracket 41 can provide an installation position for other components in the diverter device 4, and the diverter device 4 can be fixedly installed in the corresponding work station through the diverter bracket 41. In addition, a diverter conveying mechanism 43 is provided, and the diverter conveying mechanism 43 can change the original movement direction of the pallet to transport some pallets to the first return flow line 31. At the same time, a diverter lifting mechanism 42 is provided between the diverter conveying mechanism 43 and the diverter bracket 41, and the diverter lifting mechanism 42 can drive the diverter conveying mechanism 43 to move, thereby changing the position of the diverter conveying mechanism 43 relative to the second return flow line, so that the pallets that need to be transported along the first return flow line 31 can be supported on the diverter conveying mechanism 43, thereby realizing the diversion of the pallets.

[0103] In some embodiments, as shown in Figure 3, the diverter conveying mechanism 43 can be set to a structural form including a diverter conveying drive component 431 and a diverter frame 432; the diverter frame 432 is installed on the diverter lifting mechanism 42, and the diverter conveying drive component 431 is installed on the diverter frame 432; wherein, the diverter conveying drive component 431 is used to support the pallet and can transport the pallet along the first direction C.

[0104] In the embodiment of the present disclosure, the diverter frame 432 can be connected to the diverter lifting drive 421 in the diverter lifting mechanism 42 to drive the diverter frame 432 to move along the third direction E through the diverter lifting drive 421. The diverter lifting guide 422 can also be connected to the diverter frame 432.

[0105] In the embodiment of the present disclosure, the diverter conveyor drive assembly 431 can be configured to include a diverter conveyor drive member and a diverter conveyor transmission member. The diverter conveyor drive member is fixed to the diverter bracket 41, the diverter conveyor transmission member is mounted on the diverter bracket 41, and the diverter conveyor drive member and the diverter conveyor transmission member are in transmission connection, so that the diverter conveyor drive member drives the diverter conveyor transmission member to generate movement.

[0106] Exemplarily, the diversion and transport transmission member can be set to include a pulley and an endless belt, or a structure of a chain and a sprocket. For example, the pulley is rotatably set on the diversion frame 432, the belt is sleeved on the pulley, and the belt extends along the first direction C. Along the second direction D, a group of diversion and transport transmission members can be respectively set at both ends of the diversion frame 432. The diversion and transport drive member can adopt a suitable motor such as a servo motor, and the pulley can be connected to the output shaft of the diversion and transport drive member through a belt drive, so that the belt in the diversion and transport drive member can be driven to rotate by the diversion and transport drive member, so that the tray located on the belt can be moved along the belt along the first direction C to the first return flow line 31.

[0107] In the embodiment of the present disclosure, a diverter cover 44 can also be provided in the diverter device 4, and the diverter cover 44 can be fixed on the diverter frame 432 between the two groups of diverter and conveying transmission parts, so that the diverter cover 44 can cover the diverter lifting mechanism 42, the diverter bracket 41 and the diverter and conveying driving parts located at the bottom of the diverter device 4.

[0108] In the above embodiment, since a diversion frame 432 is provided in the diversion conveying mechanism 43, the diversion conveying mechanism 43 can be connected to the diversion lifting mechanism 42 through the diversion frame 432; at the same time, a diversion conveying drive assembly 431 is provided on the diversion frame 432, and the diversion conveying drive assembly 431 is configured to be a structure that can generate movement along the first direction C. Then, under the drive of the diversion lifting mechanism 42, the diversion conveying drive assembly 431 can first be brought into contact with the pallet that needs to be diverted to support the pallet on the diversion conveying drive assembly 431, and then the pallet is transported to the first return flow line 31 through the diversion conveying drive assembly 431.

[0109] In some embodiments, as shown in Figure 1, a lifting device 5 and a third return flow line 33 can also be set in the return device; one end of the lifting device 5 is connected to the second end of the diverter device 4 through the first return flow line 31, and the other end of the lifting device 5 is connected to one end of the stacking table 7 through the third return flow line 33; the third end of the diverter device 4 is connected to the other end of the lifting device 5 through the second return flow line; the lifting device 5 is used to transport the pallet located on the first return flow line 31 or the second return flow line to the third return flow line 33 according to the scheduling instruction; wherein, along the third direction E, at least a part of the second return flow line and the assembly flow line 2 overlap, and at least another part of the second return flow line and the third return flow line 33 overlap.

[0110] In the embodiment of the present disclosure, in order to facilitate the scheduling of multiple pallets that are returned to the stacking table 7, so that different pallets can be returned to the corresponding positions in the stacking table 7 as needed, a lifting device 5 can be set in the reflow device, and the first reflow flow line 31 and the second reflow flow line are both connected to the lifting device 5, and then the lifting device 5 is connected to the stacking table 7, so that the first reflow flow line 31 and the second reflow flow line are both connected to the stacking table 7, so that the reflow process of the pallets located on the first reflow flow line 31 and the second reflow flow line can be controlled separately by the lifting device 5.

[0111] For example, as shown in FIG1 , the end of the first return flow line 31 away from the diverter 4 can be connected to one end of the lifting device 5. The end of the second return flow line away from the diverter 4 can be connected to the other end of the lifting device 5. In a third direction E (perpendicular to the paper), the first return flow line 31 and the second return flow line can be arranged at the same height. One end of the third return flow line 33 can be connected to the end of the lifting device 5 connected to the second return flow line, and the third return flow line 33 can be overlapped with the second return flow line. That is, in the third direction E, at least a portion of the second return flow line connected to the lifting device 5 is located below the third return flow line 33. For example, as shown in FIG1 , the entire second return flow line can be arranged below the assembly line 2 and the third return flow line 33.

[0112] In the above embodiment, since a lifting device 5 is provided in the reflow device, and the first reflow flow line 31 and the second reflow flow line are both connected to the lifting device 5, and the lifting device 5 is further connected to the stacking platform 7 through the third reflow flow line 33, the reflow process of the trays respectively located on the first reflow flow line 31 and the second reflow flow line can be scheduled by the lifting device 5 to control the progress of the trays and the assembled battery modules on the trays to flow back to the stacking platform 7, thereby reducing the congestion of the trays and the assembled battery modules on the stacking platform 7 or on the reflow flow line; at the same time, the second reflow flow line is overlapped with the assembly flow line 2 and the third reflow flow line 33, respectively, which can reduce the space occupied by the second reflow flow line, thereby reducing the volume of the battery assembly system.

[0113] In some embodiments, referring to FIG. 4 , which is a schematic diagram of the structure of a lifting device provided in an embodiment of the present disclosure, the lifting device 5 can be configured to include a lifting bracket 51 , a lifting mechanism 52 , and a lifting and conveying mechanism 53 ; the lifting mechanism 52 is mounted on the lifting bracket 51 , and the lifting and conveying mechanism 53 is mounted on the lifting mechanism 52 ; the lifting mechanism 52 is capable of driving the lifting and conveying mechanism 53 to move relative to the lifting bracket 51 in a third direction E, and the lifting and conveying mechanism 53 is configured to transport the pallet to the third return flow line 33 in a second direction D; the second direction D and the third direction E form an angle.

[0114] In the embodiment of the present disclosure, in order to facilitate the installation of the lifting device 5 and the arrangement and connection of various components in the lifting device 5, a lifting bracket 51 can be provided, and the lifting bracket 51 can be provided in a frame-type structure.

[0115] In the embodiment of the present disclosure, the lifting device 5 needs to transport the pallets located on the first return flow line 31 and the second return flow line to the third return flow line 33, that is, it needs to move along the third direction E. A lifting mechanism 52 can be provided in the lifting device 5 to generate movement along the third direction E. One end of the lifting mechanism 52 can be fixedly connected to the lifting bracket 51 to install the lifting mechanism 52 on the lifting bracket 51.

[0116] In the embodiment of the present disclosure, when transporting the pallet to a position corresponding to the third return flow line 33, the lifting device 5 is required to be able to transport the pallet to the third return flow line 33. In this case, a third transport mechanism can be provided in the lifting device 5. The lifting and transporting mechanism 53 can be provided with a structure capable of moving along the second direction D. The lifting and transporting mechanism 53 can be installed on the lifting mechanism 52 so as to carry the pallet through the lifting and transporting mechanism 53 and transport the pallet to the third return flow line 33. The angle between the second direction D and the third direction E can be a right angle, an angle close to a right angle, or an angle of other degrees, which is not limited in the embodiment of the present disclosure.

[0117] In the above embodiment, since a lifting bracket 51 is provided in the lifting device 5, the lifting bracket 51 can provide an installation position for each component in the lifting device 5, and the lifting device 5 can be installed at the corresponding work station through the lifting bracket 51; and a lifting mechanism 52 installed on the lifting bracket 51 is provided in the lifting device 5, and movement along the third direction E can be generated by the lifting mechanism 52, so that the pallet can be transported to the position corresponding to the third reflow circulation line 33 through the lifting mechanism 52; at the same time, a lifting and conveying mechanism 53 is provided on the lifting mechanism 52, and the pallet corresponding to the third reflow circulation line 33 can be transported to the third reflow circulation line 33 through the lifting and conveying mechanism 53.

[0118] In some embodiments, as shown in Figure 4, the lifting mechanism 52 can be set to a structural form including a lifting drive component 521, a lifting guide component 522 and a lifting frame 523; the lifting guide component 522 is installed on the lifting bracket 51, and the lifting frame 523 is installed on the lifting guide component 522, one end of the lifting drive component 521 is connected to the lifting bracket 51, and the other end is connected to the lifting frame 523; wherein, under the drive of the lifting drive component 521, the lifting frame 523 can move along the third direction E.

[0119] In the embodiment of the present disclosure, if it is necessary to limit the direction of movement during the movement of the lifting mechanism 52 , a lifting guide assembly 522 may be provided in the lifting mechanism 52 , and the lifting guide assembly 522 may be installed on the lifting bracket 51 .

[0120] For example, the lifting guide assembly 522 may be a guide rail and a slider connected in a sliding manner. For example, the guide rail may be fixedly mounted on the lifting bracket 51 and extend along the third direction E. Four sets of mutually parallel lifting guide assemblies 522 may be mounted on the lifting bracket 51 .

[0121] In the embodiment of the present disclosure, in order to facilitate the installation of the lifting and conveying mechanism 53, a lifting frame 523 can be provided in the lifting mechanism 52, and the lifting frame 523 can be fixedly connected to the slider in the lifting guide assembly 522. The lifting frame 523 can then move along the third direction E through the lifting guide assembly 522.

[0122] In the embodiment of the present disclosure, a lifting drive component 521 can be provided for the lifting mechanism 52, one end of the lifting drive component 521 is fixedly connected to the lifting frame 523, and the other end of the lifting drive component 521 is connected to the lifting frame 523, so as to provide the lifting frame 523 with a driving force for movement along the third direction E through the lifting drive component 521.

[0123] Exemplarily, the lifting drive assembly 521 can be configured to include a lifting drive member and a lifting transmission assembly. For example, the lifting drive member can be a drive member that can generate linear motion, such as a pneumatic cylinder, an oil cylinder, or an electric cylinder. The lifting transmission assembly can be configured to include a roller and a transmission belt structure, wherein the roller is rotatably arranged on the output shaft of the lifting drive member, and the axial direction of the roller is perpendicular to the axial direction of the output shaft of the drive member. One end of the transmission belt is fixedly connected to the lifting bracket 51, and the other end is fixedly connected to the lifting frame 523. The middle portion of the transmission belt overlaps the roller, and the two ends of the transmission belt are respectively located on either side of the roller. In this way, when the lifting drive member generates motion along the third direction E, the roller pushes the transmission belt to move, and the transmission belt located on one side of the roller rotates around the roller to the other side of the roller. That is, the end of the transmission belt connected to the lifting frame 523 can generate motion along the third direction E, thereby driving the lifting frame 523 to move along the third direction E. With such a structural arrangement, when the lifting drive member moves a first distance along the third direction E, the lifting frame 523 can move a distance twice the first distance along the third direction E, thereby increasing the movement speed of the lifting frame 523.

[0124] In the above embodiment, since a lifting guide assembly 522 is provided in the lifting mechanism 52, the movement direction of the lifting frame 523 can be limited by the lifting guide assembly 522, and the lifting frame 523 can provide an installation position for the lifting and transporting mechanism 53 to install the lifting and transporting mechanism 53 on the lifting mechanism 52; at the same time, a lifting drive assembly 521 is provided between the lifting bracket 51 and the lifting frame 523, and the lifting drive assembly 521 can provide driving force to the lifting frame 523 to drive the lifting frame 523 to move along the third direction E.

[0125] In some embodiments, referring to FIG5 , FIG5 is a schematic diagram illustrating the structure of a portion of the mechanism of a lifting device provided in an embodiment of the present disclosure. As shown in FIG5 , the lifting and conveying mechanism 53 can be configured to include a lifting and conveying frame 531 and a lifting and conveying drive assembly 532 ; the lifting and conveying frame 531 is mounted on the lifting frame 523 , and the lifting and conveying drive assembly 532 is mounted on the lifting and conveying frame 531 ; the lifting and conveying drive assembly 532 is configured to support the pallet and transport the pallet along the second direction D to the third return flow line 33 .

[0126] In the embodiment of the present disclosure, the lifting and transporting frame 531 can be installed on the lifting frame 523. When the lifting frame 523 moves along the third direction E, it can drive the lifting and transporting frame 531 to move together.

[0127] In the embodiment of the present disclosure, the lifting and conveying drive assembly 532 can be configured to include a lifting and conveying drive member and a lifting and conveying transmission member. The lifting and conveying drive member is fixed to the lifting and conveying frame 531, the lifting and conveying transmission member is mounted on the lifting and conveying frame 531, and the lifting and conveying drive member and the lifting and conveying transmission member are in transmission connection with each other, so that the lifting and conveying drive member drives the lifting and conveying transmission member to generate movement in the second direction D.

[0128] Exemplarily, the lifting and conveying transmission member can be configured as a structure including a pulley and an endless belt, or a sprocket and an endless chain. For example, the pulley is rotatably arranged on the lifting and conveying frame 531, the belt is sleeved on the two pulleys, and the belt extends along the second direction D. Along the first direction C, a set of lifting and conveying transmission members can be respectively provided at both ends of the lifting and conveying frame 531. The lifting and conveying drive member can be a suitable motor such as a servo motor, and the pulley can be connected to the output shaft of the lifting and conveying drive member through a belt drive, so that the lifting and conveying drive member drives the belt in the lifting and conveying transmission member to rotate, thereby allowing the pallet located on the belt to move along the belt along the second direction D to the third return flow line 33.

[0129] In the above embodiment, since a lifting and conveying frame 531 is provided in the lifting and conveying mechanism 53, the lifting and conveying mechanism 53 can be connected to the lifting frame 523 through the lifting and conveying frame 531 to connect the lifting and conveying mechanism 53 with the lifting mechanism 52; at the same time, a lifting and conveying drive assembly 532 is provided on the lifting and conveying frame 531, and the lifting and conveying drive assembly 532 is configured to be able to generate movement along the second direction D. Then, under the drive of the lifting mechanism 52, the lifting and conveying drive assembly 532 can transport the pallet to the position corresponding to the third return flow line 33, and then the pallet can be transported to the third return flow line 33 through the lifting and conveying drive assembly 532.

[0130] In some embodiments, as shown in Figures 4 and 5, the lifting device 5 also includes a lifting limiting mechanism 54. Along the second direction D, a lifting limiting mechanism 54 is respectively provided at both ends of the lifting and conveying frame 531. The lifting limiting mechanism 54 can move along the third direction E to limit the movement of the pallet relative to the lifting and conveying mechanism 53 along the second direction D.

[0131] In the disclosed embodiment, during the process of transporting single-row module pallets via the first reflow line 31 or double-row module pallets via the second reflow line to the lifting and conveying mechanism 53, it is necessary to stop the pallets at a fixed position relative to the lifting and conveying mechanism 53. To this end, a lifting limit mechanism 54 can be provided on the lifting and conveying frame 531 to limit the movement of the pallets during their movement in the second direction D on the lifting and conveying mechanism 53.

[0132] For example, at least one lifting limit mechanism 54 can be provided at each end of the lifting and conveying frame 531 along the second direction D. The lifting limit mechanism 54 can be configured to move along the third direction E. Thus, when the pallet is moved onto the lifting and conveying mechanism 53, the lifting limit mechanism 54 can be moved toward the pallet along the third direction E, thereby causing the pallet to abut against the lifting limit mechanism 54 and restrict the pallet's position. Furthermore, when the pallet is transported from the lifting and conveying mechanism 53 to the third return flow line 33, the lifting limit mechanism 54 can be moved in the opposite direction, away from the pallet, along the third direction E, to release the restriction on the pallet's movement and allow the pallet to move along the third direction E.

[0133] In another example, the lift limit mechanism 54 can be configured to include a lift limit driver and a lift limit member. The lift limit driver can be a pneumatic cylinder, hydraulic cylinder, or electric cylinder, and the lift limit member can be a structural member such as a limit block. The lift limit member is mounted on the output shaft of the lift limit driver so that the lift limit member is driven by the lift limit driver to move in the third direction E.

[0134] In another example, as shown in FIG5 , two first lifting limit mechanisms 541 may be provided at one end of the lifting and conveying frame 531 in the second direction D. Thus, the first lifting limit mechanisms 541 may limit the position of pallets moving from the second return flow line to the lifting and conveying mechanism 53. Furthermore, two second lifting limit mechanisms 542 may be provided at the other end of the lifting and conveying frame 531 in the second direction D. Thus, the second lifting limit mechanisms 542 may limit the position of pallets moving from the first return flow line 31 to the lifting and conveying mechanism 53.

[0135] In the above embodiment, since a lifting limit mechanism 54 is provided in the lifting device 5, the lifting limit mechanism 54 can limit the movement position of the pallet on the lifting and conveying mechanism 53, so that the pallet can stop at a certain position on the lifting and conveying mechanism 53, thereby reducing the risk of the pallet rushing out of the lifting and conveying mechanism 53.

[0136] In some embodiments, as shown in FIG. 4 and FIG. 5 , the lifting device 5 further includes a lifting detection member 55 . In the second direction D, a lifting detection member 55 is provided at both ends of the lifting device 5 . The lifting detection member 55 is used to detect the movement state of the tray.

[0137] In the disclosed embodiment, as shown in FIG4 , a set of first lifting detection members 551 can be provided at each end of the lifting bracket 51 along the second direction D. One set of first lifting detection members 551 is located on the movement path of pallets moving from the first return flow line 31 to the lifting and conveying mechanism 53, while the other set of first lifting detection members 551 is located on the movement path of pallets moving from the second return flow line to the lifting and conveying mechanism 53. The first lifting detection members 551 can utilize a through-beam laser sensor. In this manner, the first lifting detection members 551 can detect whether a pallet is being transported to the lifting and conveying mechanism 53.

[0138] In the disclosed embodiment, as shown in FIG4 , a second lift detection member 552 may be further provided on the lift bracket 51 near the third return flow line 33 along the second direction D. The second lift detection member 552 may be a through-beam laser sensor. Thus, as the pallet moves from the lift conveyor mechanism 53 to the third return flow line 33, the second lift detection member 552 can detect whether the pallet has been transported from the lift conveyor mechanism 53.

[0139] In the embodiment of the present disclosure, as shown in FIG5 , a third lifting detection member 553 may be provided at each end of the lifting and conveying frame 531 along the second direction D. The third lifting detection member 553 can be used to detect whether the pallet has moved to the desired position on the lifting and conveying mechanism 53. For example, the third lifting detection member 553 can be a proximity sensor, and the third lifting detection member 553 can be used to determine whether the pallet has moved to the desired position.

[0140] In the above embodiment, since a lifting detection member 55 is provided in the lifting device 5, the lifting detection member 55 can be used to detect the movement state of the pallet on the lifting and conveying mechanism 53, such as detecting whether the pallet has moved into place, or detecting whether the pallet is moving to the lifting and conveying mechanism 53, or detecting whether the pallet has been separated from the lifting and conveying mechanism 53, so that the movement action that the lifting device 5 needs to perform next can be controlled according to the detected movement state of the pallet.

[0141] In some embodiments, refer to FIG6 , which is a schematic diagram of the structure of a pressurizing device provided in an embodiment of the present disclosure. As shown in FIG1 and FIG6 , the assembly device includes a pressurizing device 1 , which includes a pressurizing support 11 and a pressurizing mechanism 13 ; the pressurizing support 11 is positioned at a location corresponding to the assembly flow line 2 , and the pressurizing mechanism 13 is mounted on the pressurizing support 11 , and is used to apply a compressive force to the battery modules to be assembled; the assembly flow line 2 is capable of transporting a tray carrying the battery modules to be assembled to a location in the pressurizing device 1 corresponding to the pressurizing mechanism 13 .

[0142] In the embodiment of the present disclosure, a pressurizing device 1 may be provided in the battery assembly system to provide a corresponding assembly process for the battery module to be assembled through the pressurizing device 1 .

[0143] In the disclosed embodiment, a pressurizing bracket 11 can be provided in the pressurizing device 1 to provide a mounting location for other components in the pressurizing device 1 through the pressurizing bracket 11, and the pressurizing device 1 can be installed at a workstation corresponding to the assembly flow line 2. In this way, the battery modules to be assembled can be transported to the location of the pressurizing mechanism 13 in the pressurizing device 1 via the assembly flow line 2.

[0144] In the embodiment of the present disclosure, a pressurizing mechanism 13 can be provided in the pressurizing device 1. For example, the pressurizing mechanism 13 can be provided as a structure capable of generating movement along the second direction D, so that a pressing force is applied to the battery module to be assembled through the pressurizing mechanism 13, so that the battery module to be assembled reaches a preset length or reaches a preset pressing state.

[0145] In the above embodiment, since a pressurizing device 1 is provided in the assembly device, and the pressurizing device 1 is provided in a structural form including a pressurizing bracket 11 and a pressurizing mechanism 13, the pressurizing bracket 11 can provide an installation position for other components in the pressurizing device 1, and the pressurizing device 1 can be installed at the corresponding work station; and the pressurizing mechanism 13 can apply a pressing force to the battery module to be assembled so that the battery module reaches the desired structural state.

[0146] In some embodiments, as shown in FIG6 , the pressurizing device 1 may be configured to further include a pressurizing moving mechanism 12 , which is movably disposed on the pressurizing bracket 11 and capable of moving along a first direction C relative to the pressurizing bracket 11 .

[0147] In the embodiment of the present disclosure, since other mechanisms such as the pressurizing mechanism 13 in the pressurizing device 1 need to move relative to the pressurizing bracket 11 to avoid the battery modules to be assembled being transported from the assembly flow line 2 to the pressurizing device 1, a pressurizing moving mechanism 12 can be set in the pressurizing device 1, and the pressurizing moving mechanism 12 can be movably set on the pressurizing bracket 11.

[0148] Exemplarily, as shown in FIG6 , the pressurizing moving mechanism 12 may be configured as a structure including a moving bracket 121 , a moving driving assembly 122 and a moving guiding assembly 123 .

[0149] For example, the movable bracket 121 can be configured to extend in the second direction D, that is, the extension direction of the movable bracket 121 aligns with the direction in which the pallet is transported within the pressurizing device 1. The movable guide assembly 123 can be configured to include a slidably connected guide rail and a slider. The guide rail is fixed to the pressurizing bracket 11 and extends in the first direction C. The movable bracket 121 can be fixed to the slider, so that the movable bracket 121 can move relative to the pressurizing bracket 11 in the first direction C. The movable drive assembly 122 can be configured to include a drive member and a transmission assembly. The drive member can be a motor, such as a servo motor, and is fixedly mounted to the movable bracket 121. The transmission assembly can be configured to include a meshing gear and a rack. The gear is connected to the output shaft of the servo motor, and the rack is fixed to the movable bracket 121, and the rack also extends in the first direction C. Thus, when the servo motor drives the gear to rotate, the gear moves in the direction in which the rack extends, driving the movable bracket 121 to also move in the first direction C.

[0150] In another example, as shown in FIG6 , two pressurizing movement mechanisms 12 may be provided on the pressurizing bracket 11 along the first direction C. The two pressurizing movement mechanisms 12 may share the same guide rail and rack. Thus, other mechanisms may be provided on each of the two pressurizing movement mechanisms 12.

[0151] In the above embodiment, since a pressurizing movable mechanism 12 is movably provided on the pressurizing bracket 11 of the pressurizing device 1, and the pressurizing movable mechanism 12 can move relative to the pressurizing bracket 11 along the first direction C, on the one hand, the pressurizing movable mechanism 12 can provide an installation point for other mechanisms such as the pressurizing mechanism 13, and on the other hand, the pressurizing movable mechanism 12 can also drive other mechanisms such as the pressurizing mechanism 13 provided on the pressurizing movable mechanism 12 to move along the first direction C, so that in the process of transporting the battery module to be assembled from the assembly flow line 2 to the pressurizing device 1, the battery module to be assembled can be avoided, and after the battery module to be assembled is in place in the pressurizing device 1, the pressurizing movable mechanism 12 can drive other mechanisms such as the pressurizing mechanism 13 to move in the direction close to the battery module to be assembled.

[0152] In some embodiments, referring to FIG7 , FIG7 is a structural schematic diagram of a part of the mechanism in the pressurizing device provided in an embodiment of the present disclosure. As shown in FIG7 , the pressurizing mechanism 13 can be set to a structural form including a pressurizing drive assembly 131, a pressurizing guide assembly 132 and a pressurizing member 133. The pressurizing guide assembly 132 is connected to the pressurizing moving mechanism 12 and extends along the second direction D. The pressurizing member 133 is mounted on the pressurizing guide assembly 132. One end of the pressurizing drive assembly 131 is connected to the pressurizing moving mechanism 12, and the other end is connected to the pressurizing member 133. Wherein, under the drive of the pressurizing drive assembly 131, the pressurizing member 133 can move along the second direction D to abut against or separate from the battery module to be assembled. The first direction C and the second direction D have an angle.

[0153] In the embodiment of the present disclosure, the pressurizing mechanism 13 needs to apply pressure to the battery module to be assembled along the second direction D to press and compress the battery module to be assembled to a desired length.

[0154] For example, as shown in FIG7 , the pressurizing mechanism 13 can be configured to include a pressurizing member 133, a pressurizing guide assembly 132 for driving the pressurizing member 133, and a pressurizing drive assembly 131 for providing a driving force to the pressurizing guide assembly 132. For example, the pressurizing member 133 can be configured in a cylindrical, rectangular parallelepiped shape, with the structure of the pressurizing member 133 matching the pressing surface of the battery module to be assembled. A pressure sensor can be provided on the pressurizing member 133 to detect the pressure applied by the pressurizing member 133 on the battery module to be assembled. To facilitate connection, a pressurizing connector 134 can be provided, with the pressurizing member 133 secured to one end of the pressurizing connector 134. The pressurizing guide assembly 132 can be configured to include a slidably connected guide rail and a slider. The guide rail is fixedly mounted on the movable bracket 121 and extends in the second direction D. The slider is fixedly mounted on the other end of the pressurizing connector 134, so that the pressurizing connector 134 can move in the second direction D via the slider and the guide rail. The pressurizing drive assembly 131 can be configured to include a driving member and a transmission assembly. The driving member can be a motor such as a servo motor, and can be fixedly mounted on the movable bracket 121. The transmission assembly can be configured to include a ball screw, with the lead screw in the ball screw connected to the output shaft of the driving member, and the nut block in the ball screw connected to the pressurizing connector 134, thereby connecting the nut block to the pressurizing member 133. In this way, when the driving member rotates, the lead screw can be driven to rotate, and when the lead screw rotates, the nut block can drive the pressurizing connector 134 and the pressurizing member 133 to move in the second direction D.

[0155] As another example, the extension direction of the pressure guide assembly 132 and the extension direction of the movable guide assembly 123 can be set to be perpendicular to each other, that is, the second direction D and the first direction C are perpendicular to each other, and the angle between the first direction C and the second direction D can also be set to other angles, which is not limited in this embodiment of the present disclosure.

[0156] In the above embodiment, since a pressurizing guide assembly 132 extending along the second direction D is provided in the pressurizing mechanism 13, the pressurizing member 133 can be connected to the pressurizing guide assembly 132, and the pressurizing member 133 can be moved along the second direction D through the pressurizing guide assembly 132; and a pressurizing drive assembly 131 connected to the pressurizing moving mechanism 12 and the pressurizing member 133 is provided, and the pressurizing drive assembly 131 can provide driving force to the pressurizing member 133, so that the pressurizing member 133 can reciprocate along the second direction D through the pressurizing guide assembly 132, thereby making the pressurizing member 133 abut against or separate from the battery module to be assembled, and then providing a pressing force to the battery module to be assembled along the second direction D, so as to press and compress the battery module to be assembled.

[0157] In some embodiments, as shown in Figures 6 and 7, a pressurizing lateral limiting mechanism 14 can also be provided in the pressurizing device 1, and the pressurizing lateral limiting mechanism 14 includes a pressurizing lateral limiting driving member 141 and a pressurizing lateral limiting member 142; the pressurizing lateral limiting driving member 141 is connected to the pressurizing moving mechanism 12, and the pressurizing lateral limiting member 142 is installed on the pressurizing lateral limiting driving member 141; wherein, under the drive of the pressurizing lateral limiting driving member 141, the pressurizing lateral limiting member 142 can move along the second direction D to abut against or separate from the tray.

[0158] In the disclosed embodiment, after the tray carrying the battery modules to be assembled moves into the pressurizing device 1, the tray needs to be limited in multiple directions to keep the tray in a fixed position relative to the pressurizing device 1. To do this, a pressurizing transverse limiting mechanism 14 can be provided in the pressurizing device 1.

[0159] For example, as shown in FIG7 , the pressurized transverse limiting mechanism 14 can be configured to include a pressurized transverse limiting driver 141 and a pressurized transverse limiting driver 142. For example, the pressurized transverse limiting driver 141 can be a driver such as an electric cylinder, a pneumatic cylinder, or an oil cylinder capable of linear motion along the second direction D. The pressurized transverse limiting driver 142 can be configured as a plate-shaped structure that conforms to the side of the pallet, or other structural forms. The pressurized transverse limiting driver 142 can be connected to the output shaft of the pressurized transverse limiting driver 141. To facilitate installation of the pressurized transverse limiting mechanism 14, a transverse connector 143 can be provided. One end of the transverse connector 143 is fixedly connected to the movable bracket 121 in the pressurized movable mechanism 12, and the pressurized transverse limiting driver 141 is fixed to the other end of the transverse connector 143 to connect the pressurized transverse limiting driver 141 to the pressurized movable mechanism 12.

[0160] As another example, as shown in FIG6 , a pressurized transverse limiting mechanism 14 can be provided at each end of the movable bracket 121 in the pressurized movable mechanism 12 along the second direction D. In this way, the pallet can be limited at both ends along the second direction D to be confined to a predetermined position along the second direction D.

[0161] In the above embodiment, since a pressurized lateral limit driving member 141 is provided on the pressurized moving mechanism 12, and a pressurized lateral limit driving member 142 is provided on the output shaft of the pressurized lateral limit driving member 141, the pressurized lateral limit mechanism 14 can be driven by the pressurized moving mechanism 12 to move to a position corresponding to one side of the pallet, and then the pressurized lateral limit driving member 141 is used to drive the pressurized lateral limit driving member 142 to move along the second direction D, so that the pressurized lateral limit driving member 142 can be brought into contact with or separated from one side of the pallet, and the pallet can be limited along the second direction D.

[0162] In some embodiments, as shown in Figure 7, a tightening mechanism 15 can also be provided in the pressurizing device 1, and the tightening mechanism 15 includes a tightening drive 151 and a tightening member 152; the tightening drive 151 is connected to the pressurizing moving mechanism 12, and the tightening member 152 is connected to the tightening drive 151; wherein, under the drive of the tightening drive 151, the tightening member 152 can move along the second direction D, so that the tightening member 152 is connected to the adjusting member on the tray, and the tightening member 152 is used to drive the adjusting member to move, so as to drive the pressure maintaining assembly on the tray to abut against the pressurized battery module through the adjusting member.

[0163] In the disclosed embodiment, after the pressurizing mechanism 13 applies pressure to the battery module to be assembled along the second direction D, compacting and compressing the battery module to the desired length, the pressure-maintaining assembly on the tray can be brought into contact with the pressed battery module to maintain the pressed state. A tightening mechanism 15 that mates with the adjusting member on the tray can then be provided in the pressurizing device 1.

[0164] Exemplarily, as shown in FIG7 , the tightening mechanism 15 can be configured as a structure including a tightening drive 151 and a tightening member 152. For example, the tightening drive 151 can be a drive member such as an electric cylinder, an air cylinder or an oil cylinder that can perform linear motion along the second direction D, and the tightening drive 151 can be fixedly mounted on the movable bracket 121 in the pressurized moving mechanism 12. The tightening member 152 can be a tightening gun or the like, and the tightening member 152 is fixed to the moving part of the tightening drive 151, so that the tightening member 152 is driven to move along the second direction D by the tightening drive 151, so that the tightening member 152 is connected to the adjustment member on the tray. The adjustment member on the tray can be a structural member such as a screw, and the screw can be driven to rotate by the tightening member 152, so that the pressure-maintaining assembly connected to the screw moves to abut against the pressurized battery module.

[0165] As another example, in order to facilitate the installation of the tightening mechanism 15 , a tightening connector 153 may be provided, one end of the tightening connector 153 may be connected to the movable bracket 121 , and the tightening driver 151 may be fixed to the other end of the tightening connector 153 .

[0166] In the above embodiment, since a tightening mechanism 15 is provided in the pressurizing device 1, and the tightening mechanism 15 is configured to include a connected tightening driving member 151 and a tightening member 152, the tightening driving member 151 can drive the tightening member 152 to move along the second direction D so that the tightening member 152 is connected to the adjusting member in the tray. The tightening member 152 can also drive the adjusting member to rotate, so as to drive the pressure-maintaining assembly in the tray to move through the adjusting member, so that the pressure-maintaining assembly can be brought into contact with the pressurized battery module, so that the pressurized battery module can be kept in the tightened shape through the pressure-maintaining assembly.

[0167] In some embodiments, referring to FIG8 , FIG8 is a schematic structural diagram of a pole limiting mechanism 16 in a pressurizing device provided in an embodiment of the present disclosure. As shown in FIG6 and FIG8 , a pole limiting mechanism 16 can also be provided in the pressurizing device 1. The pole limiting mechanism 16 includes a pole vertical driving assembly 161, a pole vertical guiding assembly 162, and a pole limiting member 163. The pole vertical guiding assembly 162 is mounted on the pressurizing moving mechanism 12 and extends along a third direction E. The pole limiting member 163 is mounted on the pole vertical guiding assembly 162. One end of the pole vertical driving assembly 161 is connected to the pressurizing moving mechanism 12, and the other end is connected to the pole limiting member 163. Wherein, under the drive of the pole vertical driving assembly 161, the pole limiting member 163 can move along the third direction E to abut or separate from the battery module to be assembled. The third direction E is at an angle to the first direction C.

[0168] In the embodiment of the present disclosure, before applying pressure to the battery module to be assembled along the second direction D, in order to prevent the poles on the battery module to be assembled from being deformed or moved when the battery module to be assembled is squeezed, a pole limiting mechanism 16 can be provided in the pressurizing device 1.

[0169] Exemplarily, as shown in FIG8 , the pole limiting mechanism 16 can be configured to have a structure including a pole limiting member 163, a pole vertical guide assembly 162, and a pole vertical drive assembly 161. For example, the pole limiting member 163 can be configured to be a long plate-like structure so as to abut against the pole on the battery module to be assembled through the pole limiting member 163. The pole vertical guide assembly 162 can be configured to have a structure including a guide rail and a slider in a sliding connection, the slider can be connected to the movable bracket 121, and the pole limiting member 163 can be connected to the guide rail. The pole vertical drive assembly 161 can be configured to include a drive member such as an electric cylinder, an air cylinder, or an oil cylinder that can perform linear motion along a third direction E, one end of the drive member being connected to the slider in the pole vertical guide assembly 162, and the other end being connected to the pole limiting member 163. In order to facilitate the installation of the base limiting mechanism, a limiting bracket 167 can be set, the guide rail in the pole vertical guide assembly 162 can be installed on the limiting bracket 167, the pole limiting member 163 can be installed on the limiting bracket 167, and the other end of the driving member in the pole vertical driving assembly 161 can be connected to the limiting bracket 167.

[0170] In the above embodiment, since a pole limiting mechanism 16 is provided in the pressurizing device 1, the pole limiting member 163 can be driven to move along the third direction E by the pole vertical driving assembly 161 in the pole limiting mechanism 16, so that the pole limiting member 163 abuts against the pole on the battery module to be assembled, thereby limiting the movement of the pole to reduce the deformation of the pole during the extrusion process of the battery module to be assembled.

[0171] In some embodiments, as shown in Figure 8, the pole limiting mechanism 16 also includes a pole transverse driving assembly 164 and a pole transverse guiding assembly 165; the pole transverse guiding assembly 165 is connected to the pressurizing moving mechanism 12, one end of the pole transverse driving assembly 164 is connected to the pressurizing moving mechanism 12, and the other end is connected to the pole transverse guiding assembly 165, the pole vertical guiding assembly 162 is connected to the pole transverse guiding assembly 165, and the pole vertical driving assembly 161 is arranged on the pole transverse guiding assembly 165; wherein, under the drive of the pole transverse driving assembly 164, the pole vertical guiding assembly 162 can move along the second direction D to drive the pole limiting member 163 to move along the second direction D.

[0172] In the embodiment of the present disclosure, when the pole limiting mechanism 16 is used to limit the movement of the poles on the battery modules to be assembled, it is necessary to adjust the position of the pole limiting mechanism 16 relative to the pressure bracket 11 along the second direction D for different battery modules to be assembled or battery modules to be assembled at different positions on the tray. To this end, a pole transverse driving assembly 164 and a pole transverse guiding assembly 165 can be provided in the pole limiting mechanism 16 to drive the pole limiting member 163 to move along the second direction D.

[0173] For example, the pole transverse guide assembly 165 can be configured as a structure comprising a guide rail and a slider in a sliding connection. For example, the guide rail is fixed to the movable bracket 121 in the pressurized movable mechanism 12, and the guide rail extends along the second direction D. The slider in the pole vertical guide assembly 162 is fixedly connected to the slider in the pole transverse guide assembly 165. To facilitate installation, a pole limiting connector 166 can be provided, with the slider in the pole vertical guide assembly 162 fixed to one side of the pole limiting connector 166 and the slider in the pole transverse guide assembly 165 fixed to the other side of the pole limiting connector 166. Alternatively, the pole vertical drive assembly 161 can be installed on one side of the pole limiting connector 166. The pole transverse drive assembly 164 can be configured to include a drive member and a transmission assembly. The drive member can be a motor such as a servo motor, and the drive member is fixedly mounted on the pole limiting connector 166. The transmission assembly can be configured to include a meshing gear and rack, with the gear connected to the output shaft of the servo motor, and the rack fixed to the movable bracket 121, with the rack extending along the second direction D. In this way, when the servo motor drives the gear to rotate, the gear moves along the extension direction of the rack, which can drive the pole limiting mechanism 16 to move along the second direction D.

[0174] In the above embodiment, since a pole transverse drive assembly 164 and a pole transverse guide assembly 165 are provided in the pole limiting mechanism 16, and the pole transverse guide assembly 165 is provided as a structure extending along the second direction D, the pole vertical guide assembly 162 can be driven to move along the second direction D by the pole transverse drive assembly 164, thereby driving the pole limiting member 163 to move along the second direction D as well, thereby adjusting the position of the pole limiting member 163 along the second direction D, and further enabling the pole limiting mechanism 16 to correspond to the pole positions of different types of battery modules to be assembled, thereby improving the applicability of the pressurizing device 1.

[0175] In some embodiments, as shown in FIG8 , an adjustment drive assembly 168 and an adjustment guide assembly 169 may be further provided in the pole limiting mechanism 16 to adjust the position of the pole limiting member 163 on the pole limiting mechanism 16 by adjusting the drive assembly 168 and the adjustment guide assembly 169 .

[0176] Exemplarily, the adjustment guide assembly 169 can be configured to have a structure including a guide rail and a slider in sliding connection. The guide rail is fixed to the limiting bracket 167 and extends along the second direction D. The pole limiting member 163 is fixed to the slider.

[0177] In another example, the adjustment drive assembly 168 can be configured to include a drive member and a transmission assembly. For example, the drive member can be a motor such as a servo motor, fixedly connected to the guide rail in the adjustment guide assembly 169. The transmission assembly can be a matching pulley and an endless belt, connecting the pulley to the output shaft of the servo motor, and fixing the slider in the adjustment guide assembly 169 to the belt. When the servo motor drives the pulley to rotate, the belt can move in the second direction D, thereby driving the pole stopper 163 to move in the second direction D.

[0178] In the above embodiment, since an adjustment drive assembly 168 and an adjustment guide assembly 169 are provided in the pole limiting mechanism 16, the position of the pole limiting member 163 in the pole limiting pole can be adjusted along the second direction D by adjusting the drive assembly 168 and the adjustment guide assembly 169, so that the position of the pole limiting member 163 relative to the pressure bracket 11 along the second direction D can be adjusted in more ways, thereby making the use of the pressure device 1 more flexible, which is conducive to improving the applicability of the pressure device 1.

[0179] In some embodiments, referring to FIG9 , FIG9 is a second schematic structural diagram of a portion of the mechanisms of the pressurizing device provided in an embodiment of the present disclosure. As shown in FIG6 and FIG9 , a pressurizing jacking mechanism 17 and a pressurizing longitudinal limiting mechanism 18 may also be provided in the pressurizing device 1; the pressurizing jacking mechanism 17 is mounted on the pressurizing bracket 11 and is used to support the pallet and can drive the pallet to move along the third direction E; the pressurizing longitudinal limiting mechanism 18 is mounted on the pressurizing bracket 11 and can move along the first direction C to abut or separate from the pallet.

[0180] In the embodiment of the present disclosure, after the pallet is transported to the pressurizing device 1 , the pallet can be separated from the transport structure to facilitate fixing the pallet.

[0181] Exemplarily, the pressurized jacking mechanism 17 can be configured as a structure including a pressurized jacking drive 171 and a jacking bracket 172. For example, the pressurized jacking drive 171 can be a drive such as an electric cylinder, an air cylinder, or an oil cylinder that can perform linear motion along the third direction E, and one end of the pressurized jacking drive 171 can be fixed to the pressurized bracket 11. The jacking bracket 172 can be configured as a structure including a jacking plate and rolling wheels, a plurality of rolling wheels being mounted on the side of the jacking plate close to the pressurizing mechanism 13, and the tray can move on the jacking bracket 172 along the second direction D via the rolling wheels; the jacking plate is connected to the other end of the pressurized jacking drive 171. Then, during the movement of the pressurized jacking drive 171, the jacking plate can be driven to move along the third direction E.

[0182] As another example, in order to limit the movement of the pallet relative to the pressurizing device 1 along the first direction C, a plurality of pressurizing longitudinal limiting mechanisms 18 can be provided in the pressurizing device 1. For example, the pressurizing longitudinal limiting mechanism 18 can be provided in a structural form including a pressurizing longitudinal limiting driver and a pressurizing longitudinal limiting driver. The pressurizing longitudinal limiting driver can be a driver such as an electric cylinder, an air cylinder or an oil cylinder that can perform linear motion along the first direction C, and the pressurizing longitudinal limiting driver is fixed on the pressurizing bracket 11. The pressurizing longitudinal limiting driver can be provided in a plate-shaped structural form that is compatible with the side of the pallet, or other structural forms, and the pressurizing longitudinal limiting driver can be connected to the output shaft of the pressurizing longitudinal limiting driver. The pressurizing longitudinal limiting driver can drive the pressurizing longitudinal limiting driver to move along the first direction C. Along the first direction C, a pressurized longitudinal limiting mechanism 18 can be set on both sides of the pressurized lifting mechanism 17, and the pressurized longitudinal limiting member can be driven to move along the first direction C by the pressurized longitudinal limiting driving member. Along the first direction C, the pallet can be limited from both sides.

[0183] As another example, as shown in FIG9 , a pressurizing device 1 may further include a pressurizing position detection member 19 . This pressurizing position detection member 19 may be a through-beam laser sensor and may be disposed on the pressurizing support 11 at a position corresponding to the position of the battery module to be assembled. The pressurizing position detection member 19 can detect whether the battery module to be assembled on the tray is in a preset position.

[0184] In the above embodiment, since the pressurizing device 1 is provided with a pressurizing lifting mechanism 17, the pressurizing lifting mechanism 17 can lift the tray to a certain height so that the battery modules to be assembled on the tray are positioned at a predetermined height. Furthermore, the pressurizing device 1 is provided with a pressurizing longitudinal limiting mechanism 18, which can limit the position of the tray relative to the pressurizing device 1 along the first direction C, so that the tray and the battery modules to be assembled are fixed in position along the first direction C.

[0185] In some embodiments, as shown in Figure 1, the assembly device also includes an installation device 81 and a shaping device; the installation device 81 is arranged at a position corresponding to the assembly flow line 2, and is located on the side of the pressurizing device 1 close to the stacking platform 7, and the installation device 81 is used to install the parts to be assembled on the battery module to be assembled; the shaping device is arranged at a position corresponding to the assembly flow line 2, and is located on the side of the pressurizing device 1 away from the stacking platform 7, and the shaping device is used to set a shaping component for the pressurized battery module, so that the pressurized battery module maintains its existing shape through the shaping component.

[0186] In the embodiment of the present disclosure, an installation device 81 can also be set in the battery assembly system. The installation device 81 can be set on the assembly flow line 2 between the stacking table 7 and the pressurizing device 1. The installation device 81 can be used to install end plates on the battery module to form a basic frame that fixes, accommodates and protects multiple battery cells in the battery module.

[0187] In the embodiment of the present disclosure, a shaping device may be provided in the battery assembly system to install a shaping component on the pressurized battery module that has undergone pressurization treatment, so that the pressurized battery module maintains its existing shape.

[0188] For example, a first shaping device 82 can be set on the assembly flow line 2 on the side of the pressurizing device 1 away from the stacking table 7. The first shaping device 82 can be a device for installing a steel belt on the pressurized battery module. The steel belt is put on the pressurized battery module. The battery module can be fixed by the steel belt so that the battery cells in the pressurized battery module maintain the existing tightness to resist the expansion force of the battery cells, thereby reducing the impact of vibration on the battery module.

[0189] As another example, a second shaping device 83 may be installed near the first shaping device 82 on the assembly line 2. The second shaping device 83 may be used to attach a band to the pressurized battery module. For example, the band can be used to tie together multiple wires in the battery module. The second shaping device 83 may also be used to attach other structural components to the battery module, although this is not limited in the present embodiment.

[0190] As another example, a reserved workstation 84 may be provided on the assembly flow line 2 so that required devices can be added according to production needs.

[0191] In the above embodiment, since an installation device 81 is provided in the assembly device, the required parts can be installed on the battery module to be assembled through the installation device 81; at the same time, a shaping device is provided in the assembly device, and a shaping component can be set on the pressurized battery module after being pressurized by the pressurizing device 1 through the shaping device, so that the battery module maintains its existing shape.

[0192] At the same time, the embodiments of the present disclosure also provide a battery production line, which includes: a battery assembly system, production equipment, transfer equipment and robot provided in any one of the above embodiments; wherein the production equipment is used to produce battery modules to be assembled; the transfer equipment is used to transport the battery modules to be assembled from the production equipment to the stacking table, or to transport the assembled battery modules from the stacking table to the target workstation; the robot is arranged at a position corresponding to the stacking table, and the robot is used to take out the battery modules to be assembled from the transfer equipment and place them on a pallet located on the stacking table, or to take out the assembled battery modules in the pallet from the pallet and place them on the transfer equipment.

[0193] In the embodiment of the present disclosure, production equipment may be arranged on a battery production line to produce various structural components in a battery module through various production equipment.

[0194] In the embodiment of the present disclosure, during the production of battery modules, it is necessary to transport battery modules that have not completed the production process to different production stations. In this case, a transfer device can be set up, and the battery modules to be assembled can be transported from the production equipment to the stacking table through the transfer device, or the battery modules assembled through the battery assembly system can be transported from the stacking table to the target station through the transfer device.

[0195] In the embodiment of the present disclosure, during the process of transporting or assembling battery modules, the battery modules need to be moved to different devices or equipment. In this case, a robot can be set near the stacking table to remove the battery modules to be assembled from the transport equipment and place them on a pallet on the stacking table, or to remove the assembled battery modules in the pallet from the pallet and place them on the transport equipment.

[0196] In the above embodiment, since a transfer equipment is provided on the battery production line, the battery modules can be transported by the transfer equipment so that the battery modules can reach different target workstations; and a robot is provided near the stacking table, and the battery modules can be transported from the stacking table to the transfer equipment, or from the transfer equipment to the pallet on the stacking table by the robot, thereby improving the production efficiency of the battery; at the same time, a battery assembly system is provided, which can reduce the risk of congestion during the pallet reflow process and is conducive to the miniaturization of the battery assembly system.

[0197] An embodiment of the present disclosure also provides a control method for a battery assembly system, wherein the battery assembly system includes a stacking table, an assembly device, an assembly flow line connecting one end of the stacking table with one end of the assembly device, and a reflux device connecting the other end of the stacking table with the other end of the assembly device. Referring to FIG10 , FIG10 is a flowchart 1 of the control method for the battery assembly system provided by an embodiment of the present disclosure, and the control method for the battery assembly system includes the following steps S101 to S103.

[0198] S101 , in response to an assembly instruction, controlling the assembly flow line to transport the battery module to be assembled on the stacking table to an assembly device.

[0199] In some embodiments, the assembly instruction may be generated in response to the battery module to be assembled being transported to its proper position on the stacking table, or in response to a user operating the battery assembly system. The disclosed embodiments do not limit the generation scenario of the assembly instruction.

[0200] In some embodiments, during the assembly of battery modules to be assembled, the battery modules to be assembled and the trays need to be transported to the assembly device via an assembly flow line. After receiving the assembly instruction, the controller can send a control signal to the stacking table to control the transport mechanism on the stacking table to transport the trays carrying the battery modules to be assembled and the battery modules to be assembled to the assembly flow line, or send a control signal to a robot positioned near the stacking table to control the robot to transport the trays carrying the battery modules to be assembled and the battery modules to be assembled to the assembly flow line.

[0201] After the battery modules to be assembled are located on the assembly flow line, the controller may send a control signal to the assembly flow line to control the assembly flow line to transport the pallet and the battery modules to be assembled carried on the pallet to the corresponding assembly device.

[0202] S102: Control the assembly device to perform assembly actions on the battery module to be assembled.

[0203] In some embodiments, a plurality of assembly devices may be provided in the battery assembly system, and each assembly device may perform corresponding assembly process steps on the battery module to be assembled.

[0204] In some embodiments, after the controller receives a signal that the battery module to be assembled is in place in the assembly device, the controller can send a control signal to the assembly device to control the assembly device to perform the corresponding assembly process on the battery module to be assembled until the assembly action required to be performed by the assembly device is completed.

[0205] S103 , controlling the reflow device to transport the assembled battery modules to the stacking station, where the assembled battery modules include battery modules assembled by the assembly device.

[0206] In some embodiments, after all assembly process steps for the battery modules to be assembled are completed, the assembled battery modules and trays that have completed the assembly process through the assembly device, or empty trays, can be transported back to the stacking station. The assembled battery modules and trays can be transported to the stacking station via a reflow device.

[0207] In some embodiments, after the assembly flow line transports the assembled battery modules to the reflow device, the controller may send a control signal to the reflow device to control the reflow device to perform a transport action to transport the assembled battery modules and the tray back to the stacking station.

[0208] In the above embodiment, since the battery modules to be assembled located on the stacking table are transported through the assembly flow line, the assembly flow line can be controlled to transport the battery modules to be assembled to the corresponding assembly device; and the assembly device can be controlled to perform corresponding assembly actions on the battery modules to be assembled to realize the assembly of the battery modules to be assembled; at the same time, the assembly device is connected to the stacking table through a reflow device, and the operation process of the reflow device can be controlled to make the tray and the completely assembled battery module return to the stacking table. Compared with transporting the assembled battery module directly from the assembly device to the stacking table, the control of the reflow device can not only make the tray and the battery module temporarily cached in the reflow device through the cache position provided by the reflow device, but also can better and more reasonably schedule the reflow process of the tray and the battery module, so that the tray and the battery module can quickly return to the stacking table, and reduce the risk of congestion of the tray and the battery module during the reflow process.

[0209] Referring to Figure 11, Figure 11 is a second flowchart of a control method for a battery assembly system according to an embodiment of the present disclosure. Based on Figure 10, the assembly apparatus includes a pressurizing device, one end of which is connected to a stacking table via an assembly flow line, and the other end of which is connected to a reflow device via an assembly flow line. The pressurizing device includes a pressurizing lifting mechanism, a pressurizing limiting mechanism, a terminal limiting mechanism, a pressurizing mechanism, and a tightening mechanism. The assembly instructions include a pressurizing instruction. As shown in Figure 11, step S102 in Figure 10 can be implemented via steps S201 to S205.

[0210] S201. In response to a pressurization instruction, control the pressurization jacking mechanism to perform a jacking action to drive a pallet transported from an assembly flow line to the pressurization jacking mechanism to move along a third direction; the pallet carries battery modules to be assembled.

[0211] In some embodiments, the pressurization instruction may be generated in response to the battery module to be assembled being transported to the pressurization device, or in response to the user's pressurization operation on the pressurization device. The present disclosure does not limit the generation scenario of the assembly instruction.

[0212] In some embodiments, after the battery modules to be assembled and the tray carrying the battery modules to be assembled are transported to corresponding positions in the pressurizing device via the assembly flow line, that is, after the battery modules to be assembled are transported to the pressurizing and lifting mechanism, the controller receives a pressurizing instruction and can send a control signal to the pressurizing device to control the pressurizing and lifting mechanism in the pressurizing device to perform a lifting action. In response to the control signal, the pressurizing and lifting mechanism moves in a third direction toward the pressurizing mechanism, thereby driving the tray to move a certain distance in the third direction. At this time, the battery modules to be assembled carried on the tray move along with the tray toward the pressurizing device.

[0213] S202 : Control the pressure-limiting mechanism to perform a pressure-limiting action, so that the pressure-limiting mechanism abuts against the tray, thereby limiting the movement of the tray in a plane perpendicular to the third direction.

[0214] In some embodiments, after the pressurized lifting mechanism moves into position, the controller may send a control signal to the pressurized limiting mechanism, and the pressurized limiting mechanism then performs a pressurized limiting action. For example, the multiple pressurized longitudinal limiting mechanisms in the pressurized limiting mechanism all move closer to the pallet, so that the multiple pressurized longitudinal limiting mechanisms abut against the pallet in a first direction perpendicular to the third direction, thereby limiting the movement of the pallet along the first direction. The multiple pressurized transverse limiting mechanisms in the pressurized limiting mechanism also move closer to the pallet, so that the multiple pressurized transverse limiting mechanisms abut against the pallet in a second direction perpendicular to the third direction, thereby limiting the movement of the pallet along the second direction.

[0215] S203: Control the pole limiting mechanism to move toward the battery module to be assembled on the tray, so that the pole limiting mechanism abuts against the pole on the battery module to be assembled.

[0216] In some embodiments, after the tray is restrained, the controller can send a control signal to the pole limiting mechanism, causing it to move in the third direction toward the battery module to be assembled, so that the pole limiting member in the pole limiting mechanism abuts against the pole on the battery module to be assembled, thereby limiting the movement of the pole in the third direction. This can reduce the risk of deformation of the pole after the battery module is squeezed.

[0217] S204 , controlling the pressurizing mechanism to perform a pressurizing action, so that the pressurizing mechanism moves along the second direction until it contacts the battery module to be assembled, and until the pressure applied by the pressurizing mechanism to the battery module to be assembled reaches a preset pressurizing value; the second direction and the third direction form an angle.

[0218] In some embodiments, after completing the positioning of the pole, the controller can send a control signal to the pressurizing mechanism, and the pressurizing mechanism can perform a pressurizing action along the second direction. During the pressurizing action, the pressurizing mechanism moves along the second direction toward the battery module to be assembled. After the pressurizing mechanism abuts the battery module to be assembled, the pressurizing mechanism continues to be controlled to move toward the battery module to be assembled until the pressure applied to the battery module to be assembled reaches a preset pressurizing value. The pressurizing mechanism is then controlled to stop performing the pressurizing action and remain in the pressurizing position. This allows each battery cell in the battery module to have a higher degree of compactness, which is beneficial to the heat dissipation of the battery module during use.

[0219] S205 , controlling the tightening mechanism to perform a tightening action, so that the pressure-maintaining assembly on the tray moves to a preset pressure-maintaining position, so as to continuously provide a pressing force to the assembled battery modules.

[0220] In some embodiments, after completing the pressurizing process of the battery module to be assembled, the controller can send a control signal to the tightening mechanism, and the tightening mechanism performs a tightening action to drive the pressure-maintaining component on the tray to move to a preset pressure-maintaining position. In this way, after the pressurizing mechanism is separated from the battery module to be assembled, the pressure-maintaining component can continue to provide pressing force to the battery module to be assembled, so that the battery module to be assembled can be maintained in the shape after being pressed by the pressurizing mechanism.

[0221] In the above embodiment, since the pressure-applying lifting mechanism is controlled to perform the lifting action, the battery module to be assembled can be moved along the third direction to the position where the clamping force is to be applied; the pressure-applying limiting mechanism is controlled to perform the pressure-applying limiting action, the tray can be limited by the pressure-applying limiting mechanism; the pole limiting mechanism is controlled to perform the limiting action, the movement of the pole can be limited by the pole limiting mechanism; the pressure-applying mechanism is controlled to perform the pressure action, the clamping action of the battery module to be assembled can be completed, so that the battery module to be assembled has the required tightness; the tightening mechanism is controlled to perform the tightening action, the pressure-maintaining component can continuously provide clamping force to the battery module to be assembled.

[0222] Referring to Figure 12, Figure 12 is a flowchart three of the control method of the battery assembly system provided by the embodiment of the present disclosure. Based on Figure 10, the reflux device includes a diverter device, a lifting device, and a first reflux flow line connecting the second end of the diverter device and one end of the lifting device; the assembly instruction also includes a diverter instruction; as shown in Figure 12, step S103 in Figure 10 can be implemented through steps S301 to S302.

[0223] S301. When a tray reaches a preset diversion position, in response to a diversion instruction, obtain tray type information of the tray; the tray carries assembled battery modules matching the tray type information.

[0224] In some embodiments, a radio frequency identification (RFID) chip may be provided on the pallet, and the RFID chip stores information about the pallet type. For example, a pallet for carrying a single row of battery modules to be assembled may be a single-row module pallet, while a pallet for carrying a double row of battery modules to be assembled may be a double-row module pallet.

[0225] In some embodiments, the preset diversion position may be set at the end of the assembly flow line adjacent to the diversion device. The diversion instruction may be generated in response to the tray reaching the preset diversion position.

[0226] In some embodiments, when a pallet is detected moving to the end of the assembly flow line, the controller sends control information to the information acquisition device, and the information acquisition device obtains the pallet type information of the pallet through RFID to determine whether the pallet is a single-row modular pallet or a double-row modular pallet.

[0227] S302: Based on the pallet type information, control the diverting device to change the movement direction of the first pallet among the pallets transported from the assembly flow line to the diverting device, so as to divert the first pallet to the first return flow line.

[0228] In some embodiments, after a pallet is transported from an assembly flow line to a diversion device, it can be determined based on the acquired pallet type information whether the movement direction of the pallet needs to be changed so that the pallet reaches a corresponding return flow line.

[0229] In some embodiments, if the pallet's type information indicates that the pallet is a double-row modular pallet, the pallet's direction of movement does not need to be changed. The pallet will continue along its original direction of movement through the diversion device and arrive at the second return flow line. If the pallet's type information indicates that the pallet is a first pallet, that is, a single-row modular pallet, the first pallet's direction of movement needs to be changed. In this case, a control signal can be sent to the diversion device, causing the diversion device to perform the corresponding diversion action to transport the first pallet to the first return flow line.

[0230] In the above embodiment, since the pallet type information of the pallet is obtained when the pallet reaches the preset diversion position, it can be determined based on the pallet type information whether it is necessary to change the movement direction of the pallet through the diversion device so that the pallet moves to the first return flow line; when it is determined that the pallet is the first pallet, the diversion action can be performed by the diversion device to transport the first pallet to the first return flow line.

[0231] Referring to Figure 13, Figure 13 is a flowchart four of the control method of the battery assembly system provided by the embodiment of the present disclosure. Based on Figure 10, the reflow device also includes a second reflow flow line and a third reflow flow line, the third end of the diversion device is connected to the other end of the lifting device through the second reflow flow line, and the other end of the lifting device is also connected to the stacking platform through the third reflow flow line; the lifting device includes a lifting mechanism and a lifting and conveying mechanism connected to the lifting mechanism; the assembly instruction also includes a scheduling instruction; as shown in Figure 13, step S103 in Figure 10 can also be implemented through steps S401 to S403.

[0232] S401. In response to a scheduling instruction, control the first return flow line or the second return flow line to transport the pallets to be lifted among the pallets matching the scheduling instruction to the lifting and conveying mechanism.

[0233] In some embodiments, the scheduling instruction may be generated in response to an empty storage location on the stacking platform, or may be generated in response to a user operation. The embodiments of the present disclosure do not limit the generation scenario of the scheduling instruction.

[0234] In some embodiments, after receiving the scheduling instruction, the controller can send a control signal to the first return flow line or the second return flow line corresponding to the scheduling instruction to control the first return flow line or the second return flow line to transport the pallet to be lifted to the lifting and conveying mechanism.

[0235] S402: Control the lifting mechanism to perform a lifting action to drive the lifting and transporting mechanism to transport the pallet to be lifted to a position corresponding to the third return flow line.

[0236] In some embodiments, after the pallet to be lifted moves into position on the lifting and conveying mechanism, the controller can send a control signal to the lifting device to enable the lifting mechanism to perform a lifting action to transport the lifting and conveying mechanism together with the pallet to be lifted to a position corresponding to the third return flow line.

[0237] S403: Control the lifting and conveying mechanism to perform the lifting and conveying action to convey the pallet to be lifted to the third return flow line.

[0238] In some embodiments, after the lifting and conveying mechanism reaches a preset position, the lifting and conveying mechanism can be controlled to perform a conveying action to convey the pallet to be lifted located on the lifting and conveying mechanism to the third return flow line.

[0239] In the above embodiment, since the first return flow line or the second return flow line is controlled to perform the transport action, the pallet to be lifted corresponding to the scheduling instruction can be transported to the lifting and transporting mechanism; the lifting mechanism in the lifting device is controlled to perform the lifting action, the pallet to be lifted can be transported to the position corresponding to the third return flow line; the lifting and transporting mechanism is controlled to perform the transport action, the pallet to be lifted can be transported to the third return flow line to complete the lifting of the pallet to be lifted.

[0240] The above embodiments are intended only to illustrate the technical solutions of the present disclosure, and are not intended to limit them. Although the present disclosure has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they may modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. Such modifications or replacements do not deviate from the essence of the corresponding technical solutions within the scope of the various embodiments of the present disclosure, and are intended to be encompassed by the scope of this disclosure. In particular, the various technical features described in the various embodiments may be combined in any manner, as long as there are no structural conflicts. Industrial Applicability

[0241] The present disclosure proposes a battery assembly system, a control method, and a battery production line. The battery assembly system includes a stacking table, an assembly device, an assembly flow line, and a reflow device; wherein the stacking table is used to store pallets and battery modules located in the pallets; one end of the assembly device is connected to one end of the stacking table via an assembly flow line, the assembly device is used to perform an assembly process on the battery modules to be assembled, and the assembly flow line is used to transport the pallets carrying the battery modules to be assembled to the assembly device; the other end of the assembly device is connected to the other end of the stacking table via a reflow device, and the reflow device is used to transport the pallets carrying assembled battery modules to the stacking table. The battery assembly system can reduce the risk of congestion during the pallet reflow process and is conducive to the miniaturization of the battery assembly system.

Claims

1. A battery assembly system, the battery assembly system comprises: a stacking table for storing trays and battery modules located within the trays; an assembly device, one end of the assembly device is connected to one end of the stacking table through an assembly transfer line, the assembly device is used to perform an assembly process on the battery module to be assembled, and the assembly transfer line is used to transport the tray carrying the battery module to be assembled to the assembly device; a return device, the other end of the assembly device is connected to the other end of the stacking table through the return device, and the return device is used to transport the tray carrying the assembled battery module to the stacking table; wherein, the return device includes a shunt device, a first return transfer line, and a second return transfer line; the first end of the shunt device is connected to the assembly device through the assembly transfer line, the second end of the shunt device is connected to one end of the stacking table through the first return transfer line, and the third end of the shunt device is connected to the other end of the stacking table through the second return transfer line; the shunt device is used to shunt the trays carrying different types of the assembled battery modules to the corresponding first return transfer line or the second return transfer line according to the type of the assembled battery module.

2. The battery assembly system according to claim 1, wherein, the shunt device includes a shunt bracket, a shunt lifting mechanism, and a shunt transporting mechanism; the shunt bracket is installed at a position corresponding to the first return transfer line, one end of the shunt lifting mechanism is connected to the shunt bracket, and the other end is connected to the shunt transporting mechanism; wherein, the shunt lifting mechanism can drive the shunt transporting mechanism to move along a third direction, the shunt transporting mechanism is used to support the tray, and can transport the tray to the first return transfer line along a first direction, and the first direction intersects with the third direction.

3. The battery assembly system according to claim 2, wherein, the shunt transporting mechanism includes a shunt transporting drive assembly and a shunt frame; the shunt frame is installed on the shunt lifting mechanism, and the shunt transporting drive assembly is installed on the shunt frame; wherein, the shunt transporting drive assembly is used to support the tray and can transport the tray along the first direction.

4. The battery assembly system according to any one of claims 1 to 3, wherein, the return device further includes a lifting device and a third return transfer line; one end of the lifting device is connected to the second end of the shunt device through the first return transfer line, and the other end of the lifting device is connected to one end of the stacking table through the third return transfer line; the third end of the shunt device is connected to the other end of the lifting device through the second return transfer line; the lifting device is used to transport the tray located on the first return transfer line or the second return transfer line to the third return transfer line according to a scheduling instruction; wherein, in the third direction, at least a part of the second return transfer line and the assembly transfer line overlap, and at least another part of the second return transfer line and the third return transfer line overlap.

5. The battery assembly system according to claim 4, wherein, the lifting device includes a lifting bracket, a lifting mechanism, and a lifting and transporting mechanism; the lifting mechanism is installed on the lifting bracket, and the lifting and transporting mechanism is installed on the lifting mechanism; wherein, the lifting mechanism can drive the lifting and transporting mechanism to move relative to the lifting bracket along the third direction, and the lifting and transporting mechanism is used to transport the tray along the second direction to the third return transfer line; the second direction and the third direction form an angle.

6. The battery assembly system according to claim 5, wherein, the lifting mechanism includes a lifting drive assembly, a lifting guide assembly, and a lifting frame; the lifting guide assembly is installed on the lifting bracket, the lifting frame is installed on the lifting guide assembly, and one end of the lifting drive assembly is connected to the lifting bracket and the other end is connected to the lifting frame; wherein, under the drive of the lifting drive assembly, the lifting frame can move along the third direction.

7. The battery assembly system according to claim 6, wherein, the lifting and transporting mechanism includes a lifting and transporting frame and a lifting and transporting drive assembly; the lifting and transporting frame is installed on the lifting frame, and the lifting and transporting drive assembly is installed on the lifting and transporting frame; wherein, the lifting and transporting drive assembly is used to support the tray and can transport the tray along the second direction to the third return transfer line.

8. The battery assembly system according to claim 7, wherein, the lifting device further includes a lifting limit mechanism. Along the second direction, the lifting limit mechanisms are respectively arranged at both ends of the lifting and transporting frame. The lifting limit mechanism can move along the third direction to limit the movement of the tray relative to the lifting and transporting mechanism along the second direction.

9. The battery assembly system according to claim 5, wherein, the lifting device further includes a lifting detection member. Along the second direction, the lifting detection members are respectively arranged at both ends of the lifting device. The lifting detection member is used to detect the movement state of the tray.

10. The battery assembly system according to any one of claims 1 to 9, wherein, the assembly device includes a pressing device. The pressing device includes a pressing bracket and a pressing mechanism; the pressing bracket is arranged at a position corresponding to the assembly transfer line, the pressing mechanism is installed on the pressing bracket, and the pressing mechanism is used to apply a pressing force to the battery module to be assembled; the assembly transfer line can transport the tray carrying the battery module to be assembled to a position corresponding to the pressing mechanism in the pressing device.

11. The battery assembly system according to claim 10, wherein, the pressing device further includes a pressing moving mechanism. The pressing moving mechanism is movably arranged on the pressing bracket and can move relative to the pressing bracket along the first direction.

12. The battery assembly system according to claim 11, wherein, The pressurizing mechanism includes a pressurizing drive assembly, a pressurizing guiding assembly, and a pressurizing member; the pressurizing guiding assembly is connected to the pressurizing moving mechanism and extends along a second direction, the pressurizing member is mounted on the pressurizing guiding assembly, one end of the pressurizing drive assembly is connected to the pressurizing moving mechanism, and the other end is connected to the pressurizing member; wherein, driven by the pressurizing drive assembly, the pressurizing member can move along the second direction to abut against or separate from the battery module to be assembled; the first direction and the second direction form an angle.

13. According to the battery assembly system of claim 11, wherein, the pressurizing device further includes a pressurizing lateral limiting mechanism, the pressurizing lateral limiting mechanism includes a pressurizing lateral limiting drive member and a pressurizing lateral limiting member; the pressurizing lateral limiting drive member is connected to the pressurizing moving mechanism, and the pressurizing lateral limiting member is mounted on the pressurizing lateral limiting drive member; wherein, driven by the pressurizing lateral limiting drive member, the pressurizing lateral limiting member can move along the second direction to abut against or separate from the tray.

14. According to the battery assembly system of claim 11, wherein, the pressurizing device further includes a tightening mechanism, the tightening mechanism includes a tightening drive member and a tightening member; the tightening drive member is connected to the pressurizing moving mechanism, and the tightening member is connected to the tightening drive member; wherein, driven by the tightening drive member, the tightening member can move along the second direction to connect the tightening member with an adjusting member on the tray, and the tightening member is used to drive the adjusting member to move, so as to drive the pressure maintaining assembly on the tray to abut against the pressurized battery module through the adjusting member.

15. According to the battery assembly system of claim 11, wherein, the pressurizing device further includes a pole column limiting mechanism, the pole column limiting mechanism includes a pole column vertical drive assembly, a pole column vertical guiding assembly, and a pole column limiting member; the pole column vertical guiding assembly is mounted on the pressurizing moving mechanism and extends along a third direction, the pole column limiting member is mounted on the pole column vertical guiding assembly, one end of the pole column vertical drive assembly is connected to the pressurizing moving mechanism, and the other end is connected to the pole column limiting member; wherein, driven by the pole column vertical drive assembly, the pole column limiting member can move along the third direction to abut against or separate from the battery module to be assembled; the third direction and the first direction form an angle.

16. According to the battery assembly system of claim 15, wherein, The pole limiting mechanism further includes a pole lateral driving assembly and a pole lateral guiding assembly; the pole lateral guiding assembly is connected to the pressurizing and moving mechanism, one end of the pole lateral driving assembly is connected to the pressurizing and moving mechanism, the other end is connected to the pole lateral guiding assembly, the pole vertical guiding assembly is connected to the pole lateral guiding assembly, and the pole vertical driving assembly is arranged on the pole lateral guiding assembly; wherein, driven by the pole lateral driving assembly, the pole vertical guiding assembly can move along the second direction to drive the pole limiting member to move along the second direction.

17. The battery assembly system according to any one of claims 10 to 15, wherein, the pressurizing device further includes a pressurizing lifting mechanism and a pressurizing longitudinal limiting mechanism; the pressurizing lifting mechanism is installed on the pressurizing bracket, the pressurizing lifting mechanism is used to support the tray and can drive the tray to move along the third direction; the pressurizing longitudinal limiting mechanism is installed on the pressurizing bracket and can move along the first direction to abut against or separate from the tray.

18. The battery assembly system according to any one of claims 10 to 15, wherein, the assembly device further includes a mounting device and a shaping device; the mounting device is arranged at a position corresponding to the assembly transfer line and is located on one side of the pressurizing device close to the stacking table, the mounting device is used to mount the parts to be assembled on the battery module to be assembled; the shaping device is arranged at a position corresponding to the assembly transfer line and is located on one side of the pressurizing device far from the stacking table, the shaping device is used to set a shaping component for the pressurized battery module so that the pressurized battery module can maintain its existing shape through the shaping component.

19. A battery production line, wherein, comprises: the battery assembly system according to any one of claims 1 to 18; production equipment for producing the battery module to be assembled; transfer equipment for transporting the battery module to be assembled from the production equipment to the stacking table, or transporting the assembled battery module from the stacking table to the target station; a robot arranged at a position corresponding to the stacking table, the robot is used to take out the battery module to be assembled from the transfer equipment and place it in the tray located on the stacking table, or take out the assembled battery module in the tray from the tray and place it on the transfer equipment.

20. A control method for a battery assembly system, the battery assembly system includes a stacking table, an assembly device, an assembly transfer line connecting one end of the stacking table and one end of the assembly device, and a return device connecting the other end of the stacking table and the other end of the assembly device; the method comprises: responding to an assembly instruction, controlling the assembly transfer line to transport the battery module to be assembled located on the stacking table to the assembly device; controlling the assembly device to perform an assembly action on the battery module to be assembled; Control the reflux device to transport the assembled battery module to the stacking table, where the assembled battery module includes the battery module that has been assembled by the assembly device.

21. The control method of the battery assembly system according to claim 20, wherein, the assembly device includes a pressurizing device, one end of the pressurizing device is connected to the stacking table through the assembly transfer line, and the other end of the pressurizing device is connected to the reflux device through the assembly transfer line; the pressurizing device includes a pressurizing lifting mechanism, a pressurizing limiting mechanism, a pole column limiting mechanism, a pressurizing mechanism and a tightening mechanism; the assembly instruction includes a pressurizing instruction; controlling the assembly device to perform an assembly process on the battery module to be assembled includes: In response to the pressurizing instruction, control the pressurizing lifting mechanism to perform a lifting action to drive the tray transported from the assembly transfer line to the pressurizing lifting mechanism to move in the third direction; the tray carries the battery module to be assembled. Control the pressurizing limiting mechanism to perform a pressurizing limiting action so that the pressurizing limiting mechanism abuts against the tray to limit the movement of the tray in a plane perpendicular to the third direction. Control the pole column limiting mechanism to move towards the battery module to be assembled carried on the tray so that the pole column limiting mechanism abuts against the pole column on the battery module to be assembled. Control the pressurizing mechanism to perform a pressurizing action so that the pressurizing mechanism moves in the second direction to abut against the battery module to be assembled, and until the pressure applied by the pressurizing mechanism to the battery module to be assembled reaches a preset pressurizing value; the second direction and the third direction have an included angle. Control the tightening mechanism to perform a tightening action so that the pressure maintaining component on the tray moves to a preset pressure maintaining position to continuously provide a pressing force to the assembled battery module.

22. The control method of the battery assembly system according to claim 21, wherein, the reflux device includes a shunting device, a lifting device, and a first reflux transfer line connecting the second end of the shunting device and one end of the lifting device; the assembly instruction further includes a shunting instruction; controlling the reflux device to transport the assembled battery module to the stacking table includes: When the tray reaches the preset shunting position, in response to the shunting instruction, obtain the tray type information of the tray; the tray carries the assembled battery module matching the tray type information. Based on the tray type information, control the shunting device to change the movement direction of the first tray among the trays transported from the assembly transfer line to the shunting device to shunt the first tray to the first reflux transfer line.

23. The control method of the battery assembly system according to claim 22, wherein, the reflux device further includes a second reflux transfer line and a third reflux transfer line, the third end of the shunting device is connected to the other end of the lifting device through the second reflux transfer line, and the other end of the lifting device is also connected to the stacking table through the third reflux transfer line; the lifting device includes a lifting mechanism and a lifting and transporting mechanism connected to the lifting mechanism. The assembly instruction further includes a scheduling instruction; controlling the reflux device to transport the assembled battery module to the stacking table further includes: In response to the scheduling instruction, controlling the first reflux transfer line or the second reflux transfer line to transport the to-be-lifted tray in the tray matching the scheduling instruction to the lifting and transporting mechanism; Controlling the lifting mechanism to perform a lifting action to drive the lifting and transporting mechanism to transport the to-be-lifted tray to a position corresponding to the third reflux transfer line; Controlling the lifting and transporting mechanism to perform a lifting and transporting action to transport the to-be-lifted tray to the third reflux transfer line.

Images