A battery pack welding apparatus

Abstract

The utility model discloses a kind of battery pack welding equipment, it is related to battery pack welding technical field.The battery pack welding equipment is used to carry out welding to the pole of the monomer battery of battery pack and connecting sheet, the battery pack welding equipment includes portal frame, welding mechanism and at least two pressure mechanisms, at least one side on portal frame is equipped with support assembly, support assembly includes the first support piece and second support piece spaced apart along vertical direction;Pressure mechanism is movably installed in first support piece, and pressure mechanism is used to compress pole and connecting sheet;Welding mechanism is movably installed in second support piece, and welding mechanism is used to weld pole and connecting sheet.The battery pack welding equipment can improve the welding efficiency of welding mechanism.

Description

Technical Field

[0001] This utility model belongs to the field of battery pack welding technology, and in particular relates to a battery pack welding device. Background Technology

[0002] A battery pack (PACK) generally refers to the collective process of combining multiple battery cells in series and parallel according to customer requirements, followed by packaging, encapsulation, and assembly. It is typically used to provide high-capacity power. During battery pack production, laser welding equipment is generally required. However, laser welding involves first pressing the terminals and connecting plates of the individual cells together before welding them using the laser welding mechanism, resulting in relatively low welding efficiency. Therefore, it is necessary to design a battery pack welding device that can improve welding efficiency. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a battery pack welding device to address the problem of low welding efficiency in existing battery packs.

[0004] To address the aforementioned problems, this utility model provides a battery pack welding device for welding the terminals and connecting pieces of individual cells in a battery pack, comprising:

[0005] A gantry frame, wherein at least one side of the gantry frame is provided with a support assembly, the support assembly including a first support member and a second support member arranged at intervals along the vertical direction;

[0006] At least two clamping mechanisms are provided, which are movably mounted on the first support member and are used to clamp the pole post and the connecting piece.

[0007] A welding mechanism is movably mounted on the second support member, and the welding mechanism is used to weld the pole post and the connecting piece.

[0008] As a further improvement to the above technical solution:

[0009] Optionally, the clamping mechanism includes a first X-axis drive assembly, a first Z-axis drive assembly, a first Y-axis drive assembly, and a clamping assembly. The first X-axis drive assembly is mounted on the first support member, the first Z-axis drive assembly is mounted on the first X-axis drive assembly, the first Y-axis drive assembly is mounted on the first Z-axis drive assembly, and the clamping assembly is mounted on the first Y-axis drive assembly.

[0010] The first X-axis drive assembly is used to adjust the position of the clamping assembly relative to the gantry along the X-axis, the first Z-axis drive assembly is used to adjust the position of the clamping assembly relative to the gantry along the Z-axis, and the first Y-axis drive assembly is used to adjust the position of the clamping assembly relative to the gantry along the Y-axis.

[0011] Optionally, the first X-axis driving assembly includes a first pressing slide seat and a first X-axis driving member. The first pressing slide seat is slidably mounted on the first support member, the first Z-axis driving assembly is mounted on the first pressing slide seat, and the first X-axis driving member is mounted on the first pressing slide seat for driving the first pressing slide seat to move relative to the first support member in the X-axis direction.

[0012] Optionally, the first Z-axis driving assembly includes a second pressing slide seat and a first Z-axis driving member. The first Y-axis driving assembly is mounted on the second pressing slide seat, the second pressing slide seat is slidably mounted on the first pressing slide seat, and the first Z-axis driving member is used to drive the second pressing slide seat to move relative to the first pressing slide seat in the Z-axis direction.

[0013] Optionally, the first Y-axis drive assembly includes a clamping crossbeam, a third clamping sliding seat, and a first Y-axis drive member. The clamping crossbeam is mounted on the second clamping sliding seat, the third clamping sliding seat is slidably mounted on the clamping crossbeam, the clamping assembly is mounted on the third clamping sliding seat, and the first Y-axis drive member is used to drive the third clamping sliding seat to move relative to the clamping crossbeam in the Y-axis direction.

[0014] Optionally, the clamping assembly includes a clamping body and a second Z-axis driving assembly. The clamping body is slidably mounted on the third clamping sliding seat, and the second Z-axis driving assembly is used to drive the clamping body to move relative to the third clamping sliding seat in the Z-axis direction.

[0015] Optionally, the clamping body includes a clamping seat, an X-axis sliding assembly, and a pressure plate. The clamping seat is slidably mounted on the third clamping sliding seat, the X-axis sliding assembly is mounted on the clamping seat, and the pressure plate is mounted on the X-axis sliding assembly. The X-axis sliding assembly can drive the pressure plate to slide relative to the clamping seat in the X direction.

[0016] Optionally, the clamping body further includes a connecting assembly for fixing the pressure plate to the X-axis sliding assembly.

[0017] Optionally, the battery pack welding equipment further includes a ranging mechanism for measuring the height of the connecting piece to compensate for the defocusing of the welding mechanism.

[0018] Optionally, the ranging mechanism includes a second Y-axis driving component and a ranging component. The second Y-axis driving component is mounted on the first Z-axis driving component, and the ranging component is mounted on the second Y-axis driving component. The first X-axis driving component is used to adjust the position of the ranging component relative to the gantry along the X-axis, the first Z-axis driving component is used to adjust the position of the ranging component relative to the gantry along the Z-axis, and the second Y-axis driving component is used to adjust the position of the ranging component relative to the gantry along the Y-axis.

[0019] Optionally, the second Y-axis drive assembly includes a ranging beam, a ranging sliding seat, and a second Y-axis drive member. The ranging beam is mounted on the second pressing sliding seat, the ranging sliding seat is slidably mounted on the ranging beam, the ranging assembly is mounted on the ranging sliding seat, and the second Y-axis drive member is used to drive the ranging sliding seat to move relative to the ranging beam in the Y-axis direction.

[0020] Optionally, the welding mechanism includes a second X-axis driving component, a second Y-axis driving component, a third Z-axis driving component, and a welding component. The second X-axis driving component is mounted on the second support member, the second Y-axis driving component is mounted on the second X-axis driving component, the third Z-axis driving component is mounted on the second Y-axis driving component, and the welding component is mounted on the third Z-axis driving component.

[0021] The first X-axis drive assembly is used to adjust the position of the welding assembly relative to the gantry along the X-axis, the second Y-axis drive assembly is used to adjust the position of the welding assembly relative to the gantry along the Y-axis, and the third Z-axis drive assembly is used to adjust the position of the welding assembly relative to the gantry along the Z-axis.

[0022] Optionally, the welding assembly is a galvanometer laser welding assembly.

[0023] Optionally, the battery pack welding equipment further includes a positioning and lifting mechanism and a transport mechanism. The transport mechanism is used to transport the battery pack to be welded, and the positioning and lifting mechanism is used to position and lift the battery pack to be welded.

[0024] Optionally, the positioning and lifting mechanism includes a guide component, a positioning component, and a lifting component. The guide component guides the transport mechanism, the positioning component positions the transport mechanism, and the lifting component lifts the battery pack to be welded.

[0025] The battery pack welding equipment provided in this embodiment of the present invention has at least the following advantages compared with the prior art: When it is necessary to weld the terminals and connecting pieces of individual cells in the battery pack, the clamping mechanism first clamps the terminals and connecting pieces, and then the welding mechanism welds the terminals and connecting pieces clamped by one of the clamping mechanisms. After welding is completed, the terminals and connecting pieces clamped by the other clamping mechanism are welded. At this time, the clamping mechanism that has been welded can move to the next station to clamp the terminals and connecting pieces, thereby reducing the waiting time of the welding mechanism and improving the welding efficiency of the welding mechanism. At the same time, since the first support and the second support are arranged vertically at intervals, the clamping mechanism is movably installed on the first support and the welding mechanism is movably installed on the second support. The movement of the clamping mechanism and the welding mechanism does not affect each other, and the overall size of the battery pack welding equipment can be reduced, meeting the requirements of integrated equipment handling. Attached Figure Description

[0026] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments of this utility model will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0027] Figure 1 This is a schematic diagram of the structure of a battery pack welding device provided in one embodiment of the present invention;

[0028] Figure 2 This is a schematic diagram of the pressing mechanism of the battery pack welding equipment provided in one embodiment of the present invention;

[0029] Figure 3 This is a partial structural schematic diagram of the clamping mechanism of the battery pack welding equipment provided in one embodiment of the present utility model;

[0030] Figure 4 This is a schematic diagram of the distance measuring mechanism of the battery pack welding equipment provided in one embodiment of the present invention;

[0031] Figure 5 This is a schematic diagram of the welding mechanism of the battery pack welding equipment provided in one embodiment of the present invention;

[0032] Figure 6 This is a schematic diagram of the positioning and lifting mechanism of the battery pack welding equipment provided in one embodiment of the present invention.

[0033] The reference numerals in the accompanying drawings are as follows:

[0034] 100. Battery pack welding equipment; 110. Gantry frame; 111. First support member; 112. Second support member; 120. Clamping mechanism; 121. First clamping sliding seat; 122. First X-axis drive member; 123. Second clamping sliding seat; 124. First Z-axis drive member; 125. Clamping crossbeam; 126. Third clamping sliding seat; 127. First Y-axis drive member; 128. Second Z-axis drive assembly; 129. Clamping seat; 130. X-axis sliding assembly ; 131, pressure plate; 132, connecting assembly; 133, ranging crossbeam; 134, ranging sliding seat; 135, second Y-axis drive component; 136, ranging assembly; 140, welding mechanism; 141, second X-axis drive assembly; 142, second Y-axis drive assembly; 143, third Z-axis drive assembly; 144, welding assembly; 150, positioning and lifting mechanism; 151, guide assembly; 152, positioning assembly; 153, lifting assembly; 160, transport mechanism. Detailed Implementation

[0035] To make the technical problems solved, technical solutions, and beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0036] In the description of this utility model, it should be understood that the terms "longitudinal," "radial," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0037] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0038] like Figures 1 to 6As shown, one embodiment of the present invention provides a battery pack welding equipment 100 for welding the terminals and connecting pieces of individual cells in a battery pack. The battery pack welding equipment 100 includes a gantry frame 110, a welding mechanism 140, and at least two clamping mechanisms 120.

[0039] At least one side of the gantry frame 110 is provided with a support assembly, which includes a first support member 111 and a second support member 112 arranged at intervals in the vertical direction; a clamping mechanism 120 is movably installed on the first support member 111, and the clamping mechanism 120 is used to clamp the pole post and the connecting piece; a welding mechanism 140 is movably installed on the second support member 112, and the welding mechanism 140 is used to weld the pole post and the connecting piece.

[0040] When welding is required on the terminals and connecting pieces of individual cells in the battery pack, the clamping mechanism 120 first clamps the terminals and connecting pieces. Then, the welding mechanism 140 welds the terminals and connecting pieces clamped by one of the clamping mechanisms 120. After welding is completed, the terminals and connecting pieces clamped by the other clamping mechanism 120 are welded. At this time, the clamping mechanism 120 that has been welded can move to the next station to clamp the terminals and connecting pieces, thereby reducing the waiting time of the welding mechanism 140 and improving the welding efficiency of the welding mechanism 140.

[0041] Meanwhile, since the first support member 111 and the second support member 112 are arranged at intervals along the vertical direction, the clamping mechanism 120 is movably installed on the first support member 111, and the welding mechanism 140 is movably installed on the second support member 112. The movement of the clamping mechanism 120 and the welding mechanism 140 does not affect each other, and can reduce the overall size of the battery pack welding equipment 100, thus meeting the requirements for integrated equipment handling.

[0042] This utility model provides a battery pack welding device 100 according to one embodiment. Please refer to the following for details. Figure 2 and Figure 3 The clamping mechanism 120 includes a first X-axis drive assembly, a first Z-axis drive assembly, a first Y-axis drive assembly, and a clamping assembly. The first X-axis drive assembly is mounted on the first support member 111, the first Z-axis drive assembly is mounted on the first X-axis drive assembly, the first Y-axis drive assembly is mounted on the first Z-axis drive assembly, and the clamping assembly is mounted on the first Y-axis drive assembly. The first X-axis drive assembly is used to adjust the position of the clamping assembly relative to the gantry frame 110 along the X-axis, the first Z-axis drive assembly is used to adjust the position of the clamping assembly relative to the gantry frame 110 along the Z-axis, and the first Y-axis drive assembly is used to adjust the position of the clamping assembly relative to the gantry frame 110 along the Y-axis.

[0043] When the clamping mechanism 120 needs to clamp the terminal post and the connecting piece, the first X-axis drive assembly adjusts the position of the clamping assembly relative to the battery pack along the X-axis, the first Z-axis drive assembly adjusts the position of the clamping assembly relative to the battery pack along the Z-axis, and the first Y-axis drive assembly adjusts the position of the clamping assembly relative to the battery pack along the Y-axis, so that the clamping assembly can clamp the terminal post and the connecting piece to be welded.

[0044] In one specific embodiment, the X direction is the length direction of the gantry 110, the Y direction is the width direction of the gantry 110, and the Z direction is the height direction of the gantry 110. The first support member 111 and the second support member 112 are both support beams.

[0045] In one embodiment, please refer to the following for details. Figure 2 and Figure 3 The first X-axis drive assembly includes a first pressing slide seat 121 and a first X-axis drive member 122. The first pressing slide seat 121 is slidably mounted on the first support member 111. The first Z-axis drive assembly is slidably mounted on the first pressing slide seat 121. The first X-axis drive member 122 is mounted on the first pressing slide seat 121 and is used to drive the first pressing slide seat 121 to move relative to the first support member 111 in the X-axis direction.

[0046] The first Z-axis drive assembly includes a second pressing slide seat 123 and a first Z-axis drive member 124. The first Y-axis drive assembly is mounted on the second pressing slide seat 123. The second pressing slide seat 123 is slidably mounted on the first pressing slide seat 121. The first Z-axis drive member 124 is used to drive the second pressing slide seat 123 to move relative to the first pressing slide seat 121 in the Z-axis direction.

[0047] The first Y-axis drive assembly includes a clamping crossbeam 125, a third clamping sliding seat 126, and a first Y-axis drive member 127. The clamping crossbeam 125 is mounted on a second clamping sliding seat 123, and the third clamping sliding seat 126 is slidably mounted on the clamping crossbeam 125. The clamping assembly is mounted on the third clamping sliding seat 126, and the first Y-axis drive member 127 is used to drive the third clamping sliding seat 126 to move relative to the clamping crossbeam 125 in the Y direction.

[0048] When the clamping mechanism 120 needs to clamp the terminal post and the connecting piece, the first X-axis drive member 122 can drive the first clamping sliding seat 121 to move relative to the first support member 111 along the X-axis to adjust the position of the clamping assembly relative to the battery pack along the X-axis; the first Z-axis drive member 124 can drive the second clamping sliding seat 123 to move relative to the first clamping sliding seat 121 along the Z-axis to adjust the position of the clamping assembly relative to the battery pack along the Z-axis; the first Y-axis drive member 127 can drive the third clamping sliding seat 126 to move relative to the clamping beam 125 along the Y-axis to adjust the position of the clamping assembly relative to the battery pack along the Y-axis, so that the clamping assembly can clamp the terminal post and the connecting piece to be welded.

[0049] In a specific embodiment, please refer to the following. Figure 2 and Figure 3 The clamping assembly includes a clamping body and a second Z-axis drive assembly 128. The clamping body is slidably mounted on a third clamping sliding seat 126. The second Z-axis drive assembly 128 drives the clamping body to move relative to the third clamping sliding seat 126 along the Z-axis. After the position of the clamping assembly is adjusted by the cooperation of the first X-axis drive member 122, the first Y-axis drive member 127, and the first Z-axis drive member 124, the second Z-axis drive assembly 128 drives the clamping body to move relative to the third clamping sliding seat 126 along the Z-axis, so that the clamping body clamps the electrode post and connecting piece to be welded.

[0050] In this embodiment, please refer to the following for details. Figure 2 and Figure 3 The clamping body includes a clamping seat 129, an X-axis sliding assembly 130, and a pressure plate 131. The clamping seat 129 is slidably mounted on a third clamping sliding seat 126. The X-axis sliding assembly 130 is mounted on the clamping seat 129, and the pressure plate 131 is mounted on the X-axis sliding assembly 130. The X-axis sliding assembly 130 can drive the pressure plate 131 to slide relative to the clamping seat 129 in the X direction. When the position of the clamping assembly is adjusted by the cooperation of the first X-axis driving member 122, the first Y-axis driving member 127, and the first Z-axis driving member 124, the X-axis sliding assembly 130 can drive the pressure plate 131 to slide relative to the clamping seat 129 in the X direction, so as to fine-tune the position of the pressure plate 131 in the X direction, so that the pressure plate 131 can clamp the pole post and connecting piece to be welded.

[0051] This utility model provides a battery pack welding device 100 according to one embodiment. Please refer to the following for details. Figure 2 and Figure 3 The clamping body also includes a connecting assembly 132, which is used to fix the pressure plate 131 to the X-axis sliding assembly 130. Depending on the type of battery pack, different types of pressure plates 131 are replaced, and the pressure plates 131 are fixed to the X-axis sliding assembly 130 by the connecting assembly 132.

[0052] This utility model provides a battery pack welding device 100 according to one embodiment. Please refer to the following for details. Figure 2 and Figure 4 The battery pack welding equipment 100 also includes a ranging mechanism for measuring the height of the connecting piece to compensate for the defocusing of the welding mechanism 140.

[0053] In a specific embodiment, please refer to the following. Figure 2 and Figure 4 The ranging mechanism includes a second Y-axis drive assembly 142 and a ranging assembly 136. The second Y-axis drive assembly 142 is mounted on the first Z-axis drive assembly, and the ranging assembly 136 is mounted on the second Y-axis drive assembly 142. The first X-axis drive assembly is used to adjust the position of the ranging assembly 136 relative to the gantry 110 along the X-axis. The first Z-axis drive assembly is used to adjust the position of the ranging assembly 136 relative to the gantry 110 along the Z-axis. The second Y-axis drive assembly 142 is used to adjust the position of the ranging assembly 136 relative to the gantry 110 along the Y-axis.

[0054] In this embodiment, please refer to the following for details. Figure 2 and Figure 4 The second Y-axis drive assembly 142 includes a ranging beam 133, a ranging sliding seat 134, and a second Y-axis drive member 135. The ranging beam 133 is mounted on the second pressing sliding seat 123, the ranging sliding seat 134 is slidably mounted on the ranging beam 133, the ranging assembly 136 is mounted on the ranging sliding seat 134, and the second Y-axis drive member 135 is used to drive the ranging sliding seat 134 to move relative to the ranging beam 133 in the Y direction.

[0055] The first X-axis drive member 122 can drive the first pressing slide seat 121 to move relative to the first support member 111 along the X-axis to adjust the position of the ranging component 136 relative to the battery pack along the X-axis; the first Z-axis drive member 124 can drive the second pressing slide seat 123 to move relative to the first pressing slide seat 121 along the Z-axis to adjust the position of the ranging component 136 relative to the battery pack along the Z-axis; the second Y-axis drive member 135 can drive the ranging slide seat 134 to move relative to the ranging beam 133 along the Y-axis to adjust the position of the ranging component 136 relative to the battery pack along the Y-axis, so that the ranging component 136 can measure the height of the connecting piece to compensate for the defocusing amount of the welding mechanism 140.

[0056] This utility model provides a battery pack welding device 100 according to one embodiment. Please refer to the following for details. Figure 5The welding mechanism 140 includes a second X-axis drive assembly 141, a second Y-axis drive assembly 142, a third Z-axis drive assembly 143, and a welding assembly 144. The second X-axis drive assembly 141 is mounted on the second support member 112, the second Y-axis drive assembly 142 is mounted on the second X-axis drive assembly 141, the third Z-axis drive assembly 143 is mounted on the second Y-axis drive assembly 142, and the welding assembly 144 is mounted on the third Z-axis drive assembly 143. The first X-axis drive assembly is used to adjust the position of the welding assembly 144 relative to the gantry frame 110 along the X-axis, the second Y-axis drive assembly 142 is used to adjust the position of the welding assembly 144 relative to the gantry frame 110 along the Y-axis, and the third Z-axis drive assembly 143 is used to adjust the position of the welding assembly 144 relative to the gantry frame 110 along the Z-axis.

[0057] When it is necessary to adjust the position of the welding assembly 144, the first X-axis drive assembly adjusts the position of the welding assembly 144 relative to the gantry 110 along the X-axis, the second Y-axis drive assembly 142 adjusts the position of the welding assembly 144 relative to the gantry 110 along the Y-axis, and the third Z-axis drive assembly 143 adjusts the position of the welding assembly 144 relative to the gantry 110 along the Z-axis, so that the welding assembly 144 can weld the pole post and connecting piece to be welded that are pressed by the clamping assembly.

[0058] In this embodiment, the welding assembly 144 is a galvanometer laser welding assembly 144. Two third clamping sliding seats 126 are slidably mounted on the clamping beam 125. The clamping assembly is mounted on the third clamping sliding seats 126. The first Y-axis driving member 127 can drive the two third clamping sliding seats 126 to move relative to the clamping beam 125 in the Y-axis direction. The two clamping assemblies can simultaneously clamp the electrode post and connecting piece to be welded, increasing the clamping area of ​​the electrode post and connecting piece to be welded, thereby increasing the single welding area of ​​the battery pack welding equipment 100 and thus improving the welding efficiency.

[0059] This utility model provides a battery pack welding device 100 according to one embodiment. Please refer to the following for details. Figure 1 and Figure 6 The battery pack welding equipment 100 also includes a positioning and lifting mechanism 150 and a transport mechanism 160. The transport mechanism 160 is used to transport the battery pack to be welded, and the positioning and lifting mechanism 150 is used to position and lift the battery pack to be welded. In a specific embodiment, the positioning and lifting mechanism 150 includes a guide component 151, a positioning component 152, and a lifting component 153. The guide component 151 is used to guide the transport mechanism 160, the positioning component 152 is used to position the transport mechanism 160, and the lifting component 153 is used to lift the battery pack to be welded.

[0060] When welding is required on the terminals and connecting pieces of individual cells in a battery pack, the transport mechanism 160 first transports the battery pack to be welded, the guide component 151 guides the transport mechanism 160, then the positioning component 152 positions the transport mechanism 160, the lifting component 153 lifts the battery pack to be welded, and finally the clamping mechanism 120 clamps the terminals and connecting pieces. Then, the welding mechanism 140 welds the terminals and connecting pieces clamped by one of the clamping mechanisms 120. After welding is completed, the terminals and connecting pieces clamped by the other clamping mechanism 120 are welded. At this time, the clamping mechanism 120 that has been welded can move to the next station to clamp the terminals and connecting pieces, thereby reducing the waiting time of the welding mechanism 140 and improving the welding efficiency of the welding mechanism 140.

[0061] In this embodiment, the transport mechanism 160 is an AGV trolley, the guide component 151 is a guide rail and guide wheels installed on the guide rail, the positioning component 152 is a positioning cylinder to position the AGV trolley, and the lifting component 153 is a lifting cylinder.

[0062] The above-described embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model, and should all be included within the protection scope of this utility model.

Claims

1. A battery pack welding device for welding the terminals and connecting pieces of individual cells in a battery pack, characterized in that, include: A gantry frame, wherein at least one side of the gantry frame is provided with a support assembly, the support assembly including a first support member and a second support member arranged at intervals along the vertical direction; At least two clamping mechanisms are provided, which are movably mounted on the first support member and are used to clamp the pole post and the connecting piece. A welding mechanism is movably mounted on the second support member, and the welding mechanism is used to weld the pole post and the connecting piece.

2. The battery pack welding equipment according to claim 1, characterized in that, The clamping mechanism includes a first X-axis drive assembly, a first Z-axis drive assembly, a first Y-axis drive assembly, and a clamping assembly. The first X-axis drive assembly is mounted on the first support member, the first Z-axis drive assembly is mounted on the first X-axis drive assembly, the first Y-axis drive assembly is mounted on the first Z-axis drive assembly, and the clamping assembly is mounted on the first Y-axis drive assembly. The first X-axis drive assembly is used to adjust the position of the clamping assembly relative to the gantry along the X-axis, the first Z-axis drive assembly is used to adjust the position of the clamping assembly relative to the gantry along the Z-axis, and the first Y-axis drive assembly is used to adjust the position of the clamping assembly relative to the gantry along the Y-axis.

3. The battery pack welding equipment according to claim 2, characterized in that, The first X-axis driving assembly includes a first pressing slide seat and a first X-axis driving member. The first pressing slide seat is slidably mounted on the first support member. The first Z-axis driving assembly is mounted on the first pressing slide seat. The first X-axis driving member is mounted on the first pressing slide seat and is used to drive the first pressing slide seat to move relative to the first support member in the X-axis direction.

4. The battery pack welding equipment according to claim 3, characterized in that, The first Z-axis driving assembly includes a second pressing slide seat and a first Z-axis driving member. The first Y-axis driving assembly is mounted on the second pressing slide seat, and the second pressing slide seat is slidably mounted on the first pressing slide seat. The first Z-axis driving member is used to drive the second pressing slide seat to move relative to the first pressing slide seat in the Z-axis direction.

5. The battery pack welding equipment according to claim 4, characterized in that, The first Y-axis drive assembly includes a clamping crossbeam, a third clamping sliding seat, and a first Y-axis drive member. The clamping crossbeam is mounted on the second clamping sliding seat, the third clamping sliding seat is slidably mounted on the clamping crossbeam, and the clamping assembly is mounted on the third clamping sliding seat. The first Y-axis drive member is used to drive the third clamping sliding seat to move relative to the clamping crossbeam along the Y-axis.

6. The battery pack welding equipment according to claim 5, characterized in that, The clamping assembly includes a clamping body and a second Z-axis driving assembly. The clamping body is slidably mounted on the third clamping sliding seat. The second Z-axis driving assembly is used to drive the clamping body to move relative to the third clamping sliding seat in the Z-axis direction.

7. The battery pack welding equipment according to claim 6, characterized in that, The clamping body includes a clamping seat, an X-axis sliding assembly, and a pressure plate. The clamping seat is slidably mounted on the third clamping sliding seat, the X-axis sliding assembly is mounted on the clamping seat, and the pressure plate is mounted on the X-axis sliding assembly. The X-axis sliding assembly can drive the pressure plate to slide relative to the clamping seat in the X direction.

8. The battery pack welding equipment according to claim 7, characterized in that, The clamping body further includes a connecting component for fixing the pressure plate to the X-axis sliding component.

9. The battery pack welding equipment according to claim 2, characterized in that, The battery pack welding equipment also includes a ranging mechanism, which is used to measure the height of the connecting piece to compensate for the defocusing of the welding mechanism.

10. The battery pack welding equipment according to claim 9, characterized in that, The ranging mechanism includes a second Y-axis driving component and a ranging component. The second Y-axis driving component is mounted on the first Z-axis driving component, and the ranging component is mounted on the second Y-axis driving component. The first X-axis driving component is used to adjust the position of the ranging component relative to the gantry along the X-axis, the first Z-axis driving component is used to adjust the position of the ranging component relative to the gantry along the Z-axis, and the second Y-axis driving component is used to adjust the position of the ranging component relative to the gantry along the Y-axis.

11. The battery pack welding equipment according to claim 10, characterized in that, The second Y-axis drive assembly includes a ranging beam, a ranging sliding seat, and a second Y-axis drive member. The ranging beam is mounted on the second pressing sliding seat, the ranging sliding seat is slidably mounted on the ranging beam, the ranging assembly is mounted on the ranging sliding seat, and the second Y-axis drive member is used to drive the ranging sliding seat to move relative to the ranging beam along the Y-axis.

12. The battery pack welding equipment according to claim 1, characterized in that, The welding mechanism includes a second X-axis driving component, a second Y-axis driving component, a third Z-axis driving component, and a welding component. The second X-axis driving component is mounted on the second support member, the second Y-axis driving component is mounted on the second X-axis driving component, the third Z-axis driving component is mounted on the second Y-axis driving component, and the welding component is mounted on the third Z-axis driving component. The first X-axis drive assembly is used to adjust the position of the welding assembly relative to the gantry along the X-axis, the second Y-axis drive assembly is used to adjust the position of the welding assembly relative to the gantry along the Y-axis, and the third Z-axis drive assembly is used to adjust the position of the welding assembly relative to the gantry along the Z-axis.

13. The battery pack welding equipment according to claim 12, characterized in that, The welding assembly is a galvanometer laser welding assembly.

14. The battery pack welding equipment according to claim 1, characterized in that, The battery pack welding equipment also includes a positioning and lifting mechanism and a transport mechanism. The transport mechanism is used to transport the battery pack to be welded, and the positioning and lifting mechanism is used to position and lift the battery pack to be welded.

15. The battery pack welding equipment according to claim 14, characterized in that, The positioning and lifting mechanism includes a guide component, a positioning component, and a lifting component. The guide component is used to guide the transport mechanism, the positioning component is used to position the transport mechanism, and the lifting component is used to lift the battery pack to be welded.

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