Lamination table and lamination device

Abstract

The utility model provides a lamination table and a lamination device.The lamination table comprises a mounting frame, a bearing table, a first fixing part and a second fixing part, the bearing table is mounted on the mounting frame in the first direction and can bear at least two battery pieces, and the at least two battery pieces are arranged in the first direction; the first fixing piece is arranged at the first end of the bearing table, the second fixing piece is arranged at the second end of the bearing table, and the first fixing piece and the second fixing piece are both used for fixing or releasing the metal wire. By adopting the lamination table provided by the invention, the metal wires are synchronously laid in the traction process of the metal wires, and laying after the metal wires are cut off is not needed, so that the lamination efficiency is improved.

Description

Technical Field

[0001] This application relates to the field of photovoltaic module production equipment, specifically a stacking table and stacking device. Background Technology

[0002] A stacking device is used to stack solar cells and welding ribbons into a string. Currently, common stacking devices include a belt conveyor, a welding ribbon laying mechanism, and a solar cell laying mechanism. The welding ribbon laying mechanism includes a feeding mechanism, a pressing mechanism, a cutting mechanism, and a traction mechanism arranged in sequence. The traction mechanism pulls the welding ribbon from the feeding mechanism to a certain length, the pressing mechanism presses down the welding ribbon, the cutting mechanism cuts the welding ribbon to obtain a predetermined length of welding ribbon, and the traction mechanism then lays the predetermined length of welding ribbon onto the belt conveyor. The solar cell laying mechanism then stacks solar cells onto the welding ribbon on the belt conveyor.

[0003] In traditional cell stacking devices, the traction mechanism needs to wait for the welding strip to be cut before it can lay the welding strip. When the welding strip to be laid is long, the traction mechanism has to wait a long time, which will reduce the stacking efficiency of the cells and welding strip. Utility Model Content

[0004] To address the aforementioned technical problems, this application provides a stacking stage and a stacking device, the detailed technical solution of which is as follows:

[0005] A stacking stage is used in a stacking device for solar cells and metal wires. The stacking stage includes a mounting frame, a support platform, a first fixing member, and a second fixing member, wherein:

[0006] The support platform is mounted on the mounting frame along the first direction. The support platform is capable of supporting at least two battery cells, and the at least two battery cells are arranged along the first direction.

[0007] The first fixing member is located at the first end of the support platform, and the second fixing member is located at the second end of the support platform. Both the first fixing member and the second fixing member are used to fix or release the metal wire.

[0008] The stacking table provided in this application is used in a stacking device for battery cells and metal wires. A first fixing member at the first end of the stacking table can fix the beginning of the metal wire. As the stacking table and the metal wire feeding mechanism move relative to each other, the metal wire can be pulled out and directly laid onto the support platform. During the metal wire laying process, battery cells can be simultaneously stacked onto the metal wire on the support platform, and welding can be performed between the metal wire and the battery cells. After the metal wire is laid on the support platform, a second fixing member at the second end of the stacking table can press down on the end of the metal wire, allowing an external cutting mechanism to cut the metal wire. Alternatively, the battery cells are first laid onto the support platform, and the first fixing member at the first end of the stacking table can fix the beginning of the metal wire. As the stacking table and the metal wire move relative to each other, the metal wire can be pulled out and laid onto the battery cells on the stacking table. During the metal wire laying process, welding can be performed simultaneously between the metal wire and the battery cells. After the metal wire is laid on the support platform, a second fixing member at the second end of the stacking table can press down on the end of the metal wire, allowing an external cutting mechanism to cut the metal wire.

[0009] As can be seen, by using the stacking table provided in this application, the metal wire is laid simultaneously during the traction process, without having to wait for the metal wire to be cut before laying, thereby improving the stacking efficiency.

[0010] In some embodiments, the support platform includes at least two support blocks arranged side by side along a first direction, each support block being used to support a single battery cell.

[0011] Setting the support platform as a split structure consisting of at least two support blocks facilitates the installation and adjustment of the support platform. For example, the spacing between the support blocks can be adjusted.

[0012] In some embodiments, guide combs are provided between two adjacent support blocks and on the outer sides of the support blocks at both ends. The guide combs have a plurality of guide grooves spaced apart along a second direction, and each guide groove is used to guide a metal wire. The second direction is perpendicular to the first direction.

[0013] By setting guide combs between two adjacent support blocks and on the outer sides of the support blocks at both ends, the metal wire is guided, preventing the metal wire from shifting position during the traction process.

[0014] In some embodiments, the stacking stage further includes a support frame and a first lifting drive unit, wherein: the support frame is slidably and liftably connected to the mounting frame and located below the bearing platform, and each guide comb is disposed on the support frame; the first lifting drive unit is disposed on the mounting frame and is drively connected to the support frame, and the first lifting drive unit is used to drive the support frame to lift and lower relative to the mounting frame, so as to drive each guide comb to synchronously switch between a guide high position and an avoidance low position. When the guide comb switches to the guide high position, the groove opening of the guide groove is higher than the bearing surface of the bearing platform.

[0015] By configuring the guide combs to switch between a high guiding position and a low avoidance position, the guide combs can guide the metal wire and avoid external mechanisms. All guide combs are mounted on a support frame, and the first lifting drive unit uniformly implements the lifting and lowering operation, reducing drive costs.

[0016] In some embodiments, the stacking stage further includes a plurality of second lifting drive units disposed on the mounting frame and corresponding one-to-one with the guide combs; the second lifting drive units are connected to the corresponding guide combs in a transmission connection, and the second lifting drive units are used to independently drive the corresponding guide combs to switch between a guide high position and an avoidance low position. When the guide comb is switched to the guide high position, the groove opening of the guide groove is higher than the bearing surface of the bearing platform.

[0017] By configuring the guide combs to switch between a high guiding position and a low avoidance position, both guide combs can guide the metal wire and avoid external mechanisms. Since each guide comb is driven by an independent second lifting drive unit, during the laying of the metal wire from the first end of the stacking table towards the second end, the guide comb at the location of the laid metal wire can rise to the high guiding position to guide the wire, while the guide comb at the location of the metal wire to be laid on the rear side descends to the low avoidance position to avoid the metal wire feeding mechanism. In other words, the laid metal wire is always limited by the guide combs, ensuring the positional accuracy of the laid metal wire.

[0018] In some embodiments, the mounting position of each support block in the first direction is adjustable; the mounting bracket is provided with a waist-shaped hole corresponding to each support block, the waist-shaped hole extends along the first direction, and each support block is installed in the corresponding waist-shaped hole by fasteners.

[0019] The spacing between the support blocks can be flexibly adjusted, thus enabling the stacking stage of this application to support solar cells of different sizes and with different spacing.

[0020] In some embodiments, each carrier block has adsorption holes on its bearing surface for adsorbing battery cells.

[0021] Once the solar cell is placed on the carrier block, the carrier block can suction and fix the solar cell downward through the suction holes, ensuring the positional accuracy of the solar cell.

[0022] In some embodiments, each support block is provided with a heating component for heating the battery cells and the metal wire.

[0023] By installing a heating component inside the support block, the support block can work with an external welding mechanism to heat the battery cells and metal wires, thereby improving the welding efficiency between the metal wires and the battery cells.

[0024] In some embodiments, the first fixing member and the second fixing member have the same structure, including a pressure plate and a pressure plate disposed above the pressure plate. The pressure plate is fixedly installed at the end of the support platform. The pressure surface of the pressure plate is not higher than the support surface of the support platform. The pressure plate can be raised and lowered relative to the pressure plate to press the metal wire against the pressure surface of the pressure plate or to release the metal wire.

[0025] By configuring the first and second fixing members to include a bearing plate and a pressure plate, the pressure plate and the bearing plate can cooperate to press and release the metal wire. In addition, since the bearing surface of the bearing plate is not higher than the bearing surface of the support platform, it can be ensured that the metal wire located between the first and second fixing members can be tightly attached to the support surface or the battery cells on the support surface.

[0026] This application also provides a stacking device, including a translation mechanism, a feeding mechanism, a cutting mechanism, a conveying mechanism, a welding mechanism, and a stacking table as described in any one of the above, wherein:

[0027] The mounting frame of the stacking table is connected to the movable part of the translation mechanism. The translation mechanism is used to drive the stacking table to move along the first direction. The stacking table has a feeding station, a cutting station and a welding station in sequence along its movement path.

[0028] The feeding mechanism is configured to supply several metal wires extending in a first direction to the area above the feeding station, with the free ends of the metal wires close to the cutting station.

[0029] The stacking table is configured to move to the feeding station and pick up the free end of the metal wire from the feeding mechanism via the first fixing member. The stacking table is also configured to move sequentially through the cutting station and the welding station. During the movement, the first fixing member pulls the metal wire out from the feeding mechanism so that the metal wire is laid on the bearing platform of the stacking table.

[0030] The handling mechanism is configured to lay the battery cells onto the support platform before or after the metal wire is laid on the support platform;

[0031] The welding mechanism is set up at the welding station and is configured to weld the stacked battery cells, which are moved to the welding station, together with the metal wire.

[0032] When the stacking table is completely away from the cutting station, the stacking table, in conjunction with the feeding mechanism, fixes the metal wire from the front and rear positions of the cutting station via the second fixing component. The cutting mechanism is configured to cut the metal wire at the cutting station.

[0033] The stacking apparatus provided in this application allows metal wires to be pulled out from the feeding mechanism and laid onto the support platform during the movement of the stacking table. Before or after the metal wires are laid on the support platform, a transport mechanism lays solar cells onto the support platform, and a welding mechanism welds the metal wires to the corresponding solar cells. Finally, a cutting mechanism cuts the metal wires, ultimately obtaining at least two solar cells that have been welded together with the metal wires.

[0034] As can be seen, by using the stacking device provided in this application, the metal wire is simultaneously welded to the battery cell during the traction process, thereby improving the efficiency of laying and welding the battery cell and the metal wire. Attached Figure Description

[0035] Figure 1 This is a three-dimensional structural diagram of the stacking stage in the embodiments of this application;

[0036] Figure 2 This is a side view of the stacking stage in an embodiment of this application.

[0037] Figure 3 This is a side view of the structure after omitting part of the mounting bracket in the embodiment of this application;

[0038] Figure 4 This is a schematic diagram of the structure of the bearing block located in the middle in an embodiment of this application;

[0039] Figure 5 for Figure 4 A magnified view of a portion of region D in the middle;

[0040] Figure 6 This is a schematic diagram of the structure of the bearing block located at the second end in an embodiment of this application;

[0041] Figure 7 This is a schematic diagram of the stacking device in the embodiments of this application.

[0042] Figures 1 to 7 Includes:

[0043] Stacking table 10:

[0044] Mounting bracket 1;

[0045] Support platform 2: support block 21, adsorption hole 22, heating component 23;

[0046] First fastener 3;

[0047] Second fastener 4: pressure plate 41, pressure plate 42;

[0048] Guide comb 5: Guide groove 51;

[0049] Support frame 6;

[0050] First lifting drive unit 7: motor 71, gear 72, rack 73;

[0051] Slide rail 8;

[0052] Translation mechanism 20, feeding mechanism 30, pressing head 31, handling mechanism 40, welding mechanism 50. Detailed Implementation

[0053] To make the above-mentioned objectives, features and advantages of this application more apparent and understandable, the application will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0054] As described in the background section, in traditional stacking devices, the traction mechanism needs to wait for the solder strip to be cut before it can lay the solder strip. When the solder strip to be laid is long, the traction mechanism has to wait a long time, which will reduce the stacking efficiency of the cells and solder strip.

[0055] Therefore, this application provides a stacking stage that can be applied in a stacking device. By using this stacking stage, the battery cells are stacked simultaneously during the traction of the metal wire, thereby improving the stacking efficiency of the battery cells and the solder strip.

[0056] like Figures 1 to 2 As shown, the stacking stage 10 in this embodiment includes a mounting frame 1, a support platform 2, a first fixing member 3, and a second fixing member 4, wherein:

[0057] The support platform 2 is mounted on the mounting frame 1 along a first direction (such as the X direction). The support platform 2 is capable of supporting at least two battery cells, and the at least two battery cells are arranged along the first direction.

[0058] The first fixing member 3 is set at the first end of the support platform 2, and the second fixing member 4 is set at the second end of the support platform 2. Both the first fixing member 3 and the second fixing member 4 are used to fix or release the metal wire.

[0059] An optional operating process of the stacking stage 10 in this embodiment is as follows:

[0060] The stacking table 10 moves along the first direction. During the movement, the stacking table 10 receives the first end of the metal wire from the metal wire feeding mechanism via the first fixing member 3. As the stacking table 10 continues to move, the metal wire can be pulled out from the metal wire feeding mechanism and laid on the support table 2.

[0061] During the laying of the metal wire, battery cells can be stacked one by one on the metal wire at the same time. After the laying of the metal wire on the support platform is completed, the second fixing member 4 of the stacking platform 10 can press down the tail of the metal wire, so that the external cutting mechanism can cut the metal wire.

[0062] Another optional working process of the stacking stage in this embodiment is as follows:

[0063] First, several solar cells are laid out on the stacking table 10 along the first direction.

[0064] The stacking table 10 moves along the first direction. During the movement, the stacking table 10 receives the first end of the metal wire from the metal wire feeding mechanism via the first fixing member 3. As the stacking table 10 continues to move, the metal wire can be pulled out from the metal wire feeding mechanism and laid onto the battery cell.

[0065] During the wire laying process, a pressure tool can be placed on the laid wire simultaneously to press and fix the wire onto the corresponding battery cell. Then, the pressed wire and battery cell are welded together. After the wire is laid on the support platform, the second fixing member 4 of the stacking platform 10 can press down the tail of the wire, so that the external cutting mechanism can cut the wire.

[0066] As can be seen, by using the stacking table 10 provided in this application, the metal wire is laid simultaneously during the traction process, without having to wait for the metal wire to be cut before laying, thereby improving the stacking efficiency.

[0067] like Figure 1 As shown, optionally, the support platform 2 includes at least two (e.g., 12 in the figure) support blocks 21 arranged side by side along the first direction, each support block 21 being used to support one solar cell. Setting the support platform 2 as a split structure composed of at least two support blocks 21 facilitates the installation and adjustment of the support platform 2, for example, adjusting the spacing between the support blocks 21.

[0068] like Figure 1 and Figures 4 to 6 As shown, optionally, guide combs 5 are provided between two adjacent support blocks 21 and on the outer side of the support blocks 21 at both ends. The guide combs 5 have several guide grooves 51 spaced apart along a second direction (such as Y direction). Each guide groove 51 is used to guide a metal wire. The second direction is perpendicular to the first direction.

[0069] By setting guide combs 5 between two adjacent support blocks 21 and on the outer side of the support blocks 21 at both ends, the metal wire is guided, preventing the metal wire from shifting position during traction and laying.

[0070] To prevent the guide comb 5 on the outer side of the second end bearing block 21 from obstructing the second fixing member 4, such as Figure 6 As shown, the second fixing member 4 is located on the outside of the guide comb 5. Similarly, the first fixing member 3 is also located on the outside of the guide comb 5 at the corresponding position.

[0071] like Figures 2 to 3As shown, optionally, the stacking stage 10 in this embodiment further includes a support frame 6 and a first lifting drive unit 7, wherein: the support frame 6 is slidably connected to the mounting frame 1 and is located below the bearing platform 2, and each guide comb 5 is disposed on the support frame 6. For example, the mounting frame 1 is provided with a slide rail 8 extending in the vertical direction, and the support frame 6 is slidably connected to the slide rail 8.

[0072] The first lifting drive unit 7 is mounted on the mounting frame 1 and is connected to the support frame 6 via transmission. The first lifting drive unit 7 is used to drive the support frame 6 to lift and lower relative to the mounting frame 1, so as to drive each guide comb 5 to synchronously switch between the guide high position and the avoidance low position.

[0073] When the guide comb 5 is switched to the high guide position, the opening of the guide groove 51 is higher than the bearing surface of the bearing platform 2. At this time, the metal wire can be laid on the bearing surface of the bearing platform 2 or the battery cell after entering the guide groove 51 through the opening.

[0074] When the guide comb 5 is switched to the low avoidance position, the upper end of the guide groove 51 is lower than the external metal wire feeding mechanism to avoid the feeding mechanism.

[0075] like Figure 3 As shown, optionally, the first lifting drive unit 7 includes a motor 71, a gear 72, and a rack 73. The motor 71 is mounted on the mounting frame 1, and the gear 72 is mounted on the drive shaft of the motor 71. The rack 73 is mounted vertically on the support frame 6 and meshes with the gear 72. The motor 71 drives the gear 72 to rotate, thereby causing the support frame 6 to rise and fall via the rack 73.

[0076] Of course, the first lifting drive unit 7 can also adopt other known lifting drive mechanisms, as long as they can drive the support frame 6 to rise and fall stably relative to the mounting frame 1.

[0077] In another optional embodiment, the stacking stage 10 further includes a plurality of second lifting drive units disposed on the mounting frame 1 and corresponding one-to-one with the guide combs 5. Each second lifting drive unit is drively connected to the corresponding guide comb 5, and each second lifting drive unit is used to independently drive the corresponding guide comb 5 to switch between a high guiding position and a low avoidance position.

[0078] Similarly, when the guide comb 5 is switched to the high guide position, the opening of the guide groove 51 is higher than the bearing surface of the support platform. At this time, the metal wire can be laid on the bearing surface of the support platform 2 or the battery cell after entering the guide groove 51 through the opening. When the guide comb 5 is switched to the low avoidance position, the upper end of the guide groove 51 is lower than the external metal wire feeding mechanism to avoid the feeding mechanism.

[0079] Because each guide comb 5 is driven by an independent second lifting drive unit, during the process of laying the metal wire from the first end to the second end of the stacking table 10, the guide comb 5 at the location of the laid metal wire rises to the high guide position to guide the metal wire, while the guide comb 5 at the location of the metal wire to be laid on the rear side descends to the low avoidance position to avoid obstructing the metal wire feeding mechanism. In other words, the laid metal wire can always be limited by the guide comb, ensuring the positional accuracy of the laid metal wire.

[0080] Optionally, the installation position of each support block 21 constituting the support platform 2 in the first direction can be adjusted. Before stacking the cells, the installation spacing between the support blocks 21 can be adjusted according to the size of the cells and the spacing requirements to ensure that each support block 21 can support one cell.

[0081] Optionally, the mounting bracket 1 has oblong holes corresponding to each bearing block 21, extending along a first direction. Each bearing block 21 is installed in its corresponding oblong hole using fasteners. Loosening the fasteners allows the bearing block 21 to slide along its corresponding oblong hole, thereby adjusting its installation position. After adjustment, the bearing block 21 is re-secured to the mounting bracket 1 using fasteners. Fasteners can be, for example, bolts.

[0082] like Figure 4 and Figure 6 As shown, optionally, each support block 21 has adsorption holes 22 on its support surface for adsorbing the battery cell. When the battery cell is placed on the support block 21 on which the metal wire is laid, the support block 21 adsorbs the battery cell downward through the adsorption holes, thereby ensuring that the battery cell presses firmly against the metal wire, ultimately improving the welding effect between the metal wire and the battery cell and preventing incomplete welding. Of course, in the case where the battery cell is laid first, each support block 21 can adsorb and position the battery cell to prevent the battery cell from shifting.

[0083] Optionally, each support block 21 is provided with a heating assembly 23 for heating the battery cells and metal wires. The heating assembly 23 includes, for example, a heating rod and a thermocouple, wherein the heating rod is used to heat the support block 21, and the thermocouple is used to perform temperature monitoring.

[0084] By setting a heating component 23 inside the support block 21, the support block 21 can cooperate with an external welding mechanism to heat the battery cell and the metal wire, thereby improving the welding efficiency of the metal wire and the battery cell.

[0085] Optionally, the first fastener 3 and the second fastener 4 have the same structure. For example... Figure 6As shown, taking the second fixing member 4 as an example, it includes a pressure plate 41 and a pressure plate 42 disposed above the pressure plate 41. The pressure plate 41 is fixedly installed at the end of the support platform 21. The pressure surface of the pressure plate 41 is not higher than the support surface of the support platform 21. The pressure plate 42 can be raised and lowered relative to the pressure plate 41 to press the metal wire onto the pressure surface of the pressure plate 41 or release the metal wire.

[0086] The pressure plate 41 and the pressure plate 42 can work together to quickly press and release the metal wire. In addition, since the pressure surface of the pressure plate 4 is not higher than the bearing surface of the support platform 21, it can be ensured that the metal wire located between the first fixing member 3 and the second fixing member 4 can be tightly attached to the bearing surface or the battery cell on the bearing surface.

[0087] Of course, the first fixing member 3 and the second fixing member 4 can also adopt other structural members capable of fixing the metal wire. For example, the first fixing member 3 and the second fixing member 4 both include a number of gripper assemblies arranged at intervals along the second direction. Each gripper assembly is used to clamp and release a metal wire.

[0088] Based on the same concept, embodiments of this application also provide a stacking device. For example... Figure 7 As shown, the stacking device in this embodiment includes a translation mechanism 20, a feeding mechanism 30, a cutting mechanism (not shown in the figure), a conveying mechanism 40, a welding mechanism 50, and a stacking table 10 provided in any of the above embodiments, wherein:

[0089] The mounting frame 1 of the stacking table 10 is connected to the movable part of the translation mechanism 20. The translation mechanism 20 is used to drive the stacking table 10 to move along the first direction. The stacking table 10 is provided with a feeding station A, a cutting station B and a welding station C in sequence along its moving path.

[0090] The feeding mechanism 30 is configured to supply a plurality of metal wires extending in a first direction to the area above the feeding station A, such that the free ends of the metal wires are close to the cutting station B.

[0091] The stacking table 10 is configured to move to the feeding station A and pick up the free end of the metal wire from the feeding mechanism 30 via the first fixing member 3. The stacking table 10 is also configured to move sequentially through the cutting station B and the welding station C. During the movement, the first fixing member 3 pulls the metal wire out from the feeding mechanism 30, so that the metal wire is laid on the support platform 2 of the stacking table 10.

[0092] The conveying mechanism 40 is configured to lay the battery cells on the support platform 2 before or after the metal wire is laid on the support platform 2.

[0093] The welding mechanism 50 is located at the welding station C and is configured to weld the stacked battery cells, which are moved to the welding station C, together with the metal wire.

[0094] When the stacking table 10 completely leaves the cutting station B, the stacking table 10, in conjunction with the second fixing member 4 and the feeding mechanism 30, fixes the metal wire from the front and rear positions of the cutting station B, and the cutting mechanism is configured to cut the metal wire at the cutting station B.

[0095] In the stacking apparatus of this embodiment, during the movement of the stacking table 10, metal wires are pulled from the feeding mechanism 30 and laid onto the support table 2. Before or after the metal wires are laid onto the support table 2, the transport mechanism 40 lays the battery cells onto the support table 2, and the welding mechanism 50 welds the metal wires to the corresponding battery cells. Finally, the cutting mechanism cuts the metal wires, ultimately obtaining at least two battery cells welded with metal wires.

[0096] As can be seen, by using the stacking device in this embodiment to stack the cells, the metal wires are simultaneously welded to the cells during the traction process, thereby improving the efficiency of cell and wire laying and welding.

[0097] The translation mechanism 20 in this embodiment can be any existing translation drive module capable of supporting the stacking stage 10 and driving the stacking stage 10 to translate along the first direction, such as a synchronous belt module, a lead screw module, etc.

[0098] The cutting mechanism in this embodiment can employ various existing devices capable of cutting multiple metal wires. For example, the cutting mechanism includes a liftable mounting base and several cutting shears arranged side-by-side on the mounting base along a second direction, wherein the second direction is perpendicular to the first direction. During the traction and laying of the metal wires, the mounting base is in a low clearance position, and all cutting shears are in an open state, allowing the stacking table 10 to pass smoothly over the cutting shears. When the stacking table 10 completely leaves the cutting station B, the mounting base rises to the high cutting position, causing each metal wire to fall into a corresponding cutting shear, and the cutting shears simultaneously cut the metal wires.

[0099] The conveying mechanism 40 in this embodiment can be any existing conveying mechanism capable of conveying and loading battery cells. For example, the conveying mechanism 40 includes a moving part and a suction cup connected to the driving end of the moving part. The moving part drives the suction cup to move horizontally and vertically, thereby driving the suction cup to pick up the battery cells and place the battery cells on the support platform 2.

[0100] The welding mechanism 50 in this embodiment can be a heating component that can heat the metal wire, such as an infrared lamp box, a hot air assembly, an electromagnetic heating assembly, or a laser heating assembly, so that the solder on the surface of the metal wire melts.

[0101] Optionally, the feeding mechanism 30 in this embodiment includes a feeding roller group, a guide roller group, and a pressure head 31, wherein: the feeding roller group is disposed in front of the stacking table 10, the guide roller group is disposed between the feeding roller group and the stacking table 10, and the pressure head 31 is close to the cutting station B. The feeding roller group is used to feed out several metal wires, the guide roller group is used to guide the metal wires to the pressure head 31, the pressure head 31 is used to press or release the metal wires, and the free end of the metal wires extends out of the pressure head 31.

[0102] It can be seen that through the cooperation of the feeding roller group, the guide roller group and the pressure head 31, the feeding mechanism 30 can automatically feed the metal wire and position the free end of the metal wire at the cutting station B, so that the first fixing member 3 of the stacking table 10 can fix the free end of the metal wire from the cutting station B each time.

[0103] Before the cutting mechanism cuts the metal wire, the second fixing member 4 of the stacking table 10 and the pressure head 31 press the metal wire from the front and rear positions of the cutting station B, thereby facilitating the cutting mechanism to cut the metal wire.

[0104] The foregoing has provided a sufficiently detailed and specific description of this application. Those skilled in the art should understand that the descriptions in the embodiments are merely exemplary, and all changes made without departing from the true spirit and scope of this application should fall within the protection scope of this application. The scope of protection claimed in this application is defined by the claims, and not by the above descriptions in the embodiments.

Claims

1. A stacking stage, characterized in that, In a stacking device for solar cells and metal wires, the stacking stage includes a mounting frame, a support platform, a first fixing member, and a second fixing member, wherein: The support platform is mounted on the mounting frame along the first direction, and the support platform is capable of supporting at least two battery cells, which are arranged along the first direction. The first fixing member is disposed at the first end of the support platform, and the second fixing member is disposed at the second end of the support platform. Both the first fixing member and the second fixing member are used to fix or release the metal wire.

2. The stacking stage as described in claim 1, characterized in that, The support platform includes at least two support blocks arranged side by side along the first direction, each of which is used to support a single battery cell.

3. The stacking stage as described in claim 2, characterized in that, A guide comb is provided between two adjacent support blocks and on the outer side of the support blocks at both ends. The guide comb has a plurality of guide grooves spaced apart along the second direction. Each guide groove is used to guide one of the metal wires. The second direction is perpendicular to the first direction.

4. The stacking stage as described in claim 3, characterized in that, The stacking stage also includes a support frame and a first lifting drive unit, wherein: The support frame is slidably and vertically connected to the mounting frame and is located below the bearing platform; each of the guide combs is disposed on the support frame. The first lifting drive unit is disposed on the mounting frame and is connected to the support frame in a transmission manner. The first lifting drive unit is used to drive the support frame to lift relative to the mounting frame, so as to drive each guide comb to synchronously switch between the guide high position and the avoidance low position. When the guide comb switches to the guide high position, the groove opening of the guide groove is higher than the bearing surface of the bearing platform.

5. The stacking stage as described in claim 3, characterized in that, The stacking table also includes several second lifting drive units disposed on the mounting frame and corresponding one-to-one with the guide comb; The second lifting drive unit is connected to the corresponding guide comb in a transmission connection. The second lifting drive unit is used to independently drive the corresponding guide comb to switch between a high guide position and a low avoidance position. When the guide comb is switched to the high guide position, the groove opening of the guide groove is higher than the bearing surface of the support platform.

6. The stacking stage as described in claim 2, characterized in that, The mounting position of each of the bearing blocks in the first direction is adjustable; The mounting bracket is provided with a waist-shaped hole corresponding to each of the bearing blocks. The waist-shaped hole extends along the first direction, and each of the bearing blocks is installed in the corresponding waist-shaped hole by fasteners.

7. The stacking stage as described in claim 2, characterized in that, Each of the aforementioned carrier blocks has adsorption holes on its bearing surface for adsorbing battery cells.

8. The stacking stage as described in claim 2, characterized in that, Each of the aforementioned support blocks is equipped with a heating component for heating the battery cells and metal wires.

9. The stacking stage as described in claim 1, characterized in that, The first fixing member has the same structure as the second fixing member, including a pressure plate and a pressure plate disposed above the pressure plate. The pressure plate is fixedly installed at the end of the support platform. The pressure surface of the pressure plate is not higher than the support surface of the support platform. The pressure plate can be raised and lowered relative to the pressure plate to press the metal wire on the pressure surface of the pressure plate or release the metal wire.

10. A stacking device, characterized in that, The stacking device includes a translation mechanism, a feeding mechanism, a cutting mechanism, a conveying mechanism, a welding mechanism, and a stacking table as described in any one of claims 1 to 9, wherein: The mounting frame of the stacking table is connected to the movable part of the translation mechanism. The translation mechanism is used to drive the stacking table to move along the first direction. The stacking table has a feeding station, a cutting station and a welding station arranged in sequence along its movement path. The feeding mechanism is configured to supply a plurality of metal wires extending along the first direction to the area above the feeding station, such that the free ends of the metal wires are close to the cutting station. The stacking table is configured to move to the feeding station and pick up the free end of the metal wire from the feeding mechanism via the first fixing member. The stacking table is also configured to move sequentially through the cutting station and the welding station. During the movement, the first fixing member pulls the metal wire out from the feeding mechanism, so that the metal wire is laid on the bearing platform of the stacking table. The conveying mechanism is configured to lay the battery cells onto the support platform before or after the metal wire is laid on the support platform; The welding mechanism is located at the welding station and is configured to weld stacked battery cells moved to the welding station together with metal wires. When the stacking table is completely away from the cutting station, the stacking table, in conjunction with the feeding mechanism, fixes the metal wire from the front and rear positions of the cutting station via the second fixing member. The cutting mechanism is configured to cut the metal wire at the cutting station.

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