Storage device of battery piece welding tool

Abstract

The utility model discloses a storage device for battery piece welding tools, which comprises a conveying mechanism and a receiving mechanism, the conveying mechanism is configured to convey to-be-stacked welding tools to a receiving station along a first horizontal direction, and the conveying mechanism is further configured to drive the welding tools on the receiving station to lift; each material receiving station is provided with a material receiving mechanism, each material receiving mechanism comprises a material storage part and a limiting assembly, each material storage part is provided with a material storage cavity with an opening in the bottom and located over the corresponding material receiving station, each material storage cavity is configured to contain a plurality of vertically stacked welding tools, and each limiting assembly is arranged at the opening in the bottom of the corresponding material storage cavity; the limiting assembly can be alternately switched to an avoiding state or a bearing state. According to the material storage device of the battery piece welding tool, the conveying mechanism and the material collecting mechanism are matched to act, automatic stacking and material storage of the battery piece welding tool are achieved, the material storage efficiency is greatly improved, and manpower is saved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of photovoltaic module manufacturing, and particularly relates to a storage device for cell piece welding tooling. BACKGROUND

[0002] In the process of photovoltaic module manufacturing, a cell piece stringing machine is usually used to string cell pieces to form a cell string. A large number of welding toolings are required for each cell piece stringing machine, which are placed on the stacked cell pieces and welding strips to improve the stringing effect and prevent false connection. The welding tooling includes tooling plates, pads, iron plates, pads, screws and other parts, which need to be assembled into a whole before use, and the assembled products are then stored together for subsequent cell piece welding.

[0003] For example, the stacked welding tooling needs to be stacked in order and the stacking efficiency needs to be improved. The traditional cell piece welding tooling is usually stored manually after assembly, which has the disadvantages of low work efficiency and high labor intensity. CONTENT OF THE UTILITY MODEL

[0004] The purpose of the present application is to provide a storage device for cell piece welding tooling to solve the problem of low work efficiency and high labor intensity caused by manual storage of welding tooling.

[0005] To achieve this purpose, the following technical solutions are adopted in the present application:

[0006] A storage device for cell piece welding tooling includes a conveying mechanism and a storage mechanism, wherein:

[0007] At least one storage station is provided on the conveying path of the conveying mechanism, and the conveying mechanism is configured to convey the welding tooling to be stacked to the storage station along the first horizontal direction, and the conveying mechanism is further configured to drive the welding tooling on the storage station to rise and fall;

[0008] A storage mechanism is provided at each storage station, and the storage mechanism includes a storage part and a limiting assembly. The storage part has a storage cavity with an open bottom and is located directly above the storage station. The storage cavity is configured to store a plurality of vertically stacked welding toolings. The limiting assembly is arranged at the bottom opening of the storage cavity. The limiting assembly can be alternatively switched to an avoidance state or a bearing state. In the avoidance state, the limiting assembly allows the welding tooling on the storage station to enter the space in the storage cavity from the bottom of the storage cavity. In the bearing state, the limiting assembly bears all the welding toolings in the storage cavity.

[0009] When the limiting assembly is in the avoidance state, the conveying mechanism drives the welding tooling on the storage station to rise by a preset height, so as to move the welding tooling on the storage station into the storage cavity;

[0010] When the limiting assembly is in the bearing state, the conveying mechanism supports the welding fixtures in the storage cavity and descends to lap the lowest welding fixture in the storage cavity on the limiting assembly, thereby bearing all the welding fixtures in the storage cavity.

[0011] The storage device of the battery piece welding fixture provided in the application realizes automatic stacking and storage of the battery piece welding fixture through the cooperation of the conveying mechanism and the receiving mechanism, greatly improves the storage efficiency, and saves manpower.

[0012] In some embodiments, the limiting assembly includes two limiting parts, and the two limiting parts are respectively arranged at two opposite sides in the second horizontal direction in the storage cavity. The two limiting parts in the storage cavity can be simultaneously switched to the avoiding state or the bearing state.

[0013] When the welding fixture on the receiving station rises by a preset height, the two limiting parts are pushed away by the uppermost welding fixture and switched to the avoiding state, and the welding fixture on the receiving station enters the storage cavity from the bottom of the storage cavity.

[0014] When all the welding fixtures in the storage cavity descend and the lowest welding fixture is lapped on the limiting assembly, the two limiting parts are automatically switched to the bearing state, and the two limiting parts bear the two ends of the lowest welding fixture in the storage cavity in the second horizontal direction. The first horizontal direction is perpendicular to the second horizontal direction.

[0015] Through the cooperation of the two limiting parts with the rising or descending of the welding fixture, the function of automatically switching the limiting assembly between the avoiding state and the bearing state is realized, without the need for additional drivers, and the structure is simple.

[0016] In some embodiments, each limiting part includes at least one support and at least one positioning piece, wherein:

[0017] The support is rotatably mounted in the storage cavity through a rotating shaft, and the support includes a bearing end and a limiting end. The bearing end can be rotated to a low position or a high position.

[0018] The conveying mechanism drives the welding fixture on the receiving station to rise by a preset height, so that the bearing end of all the supports in the storage cavity is moved from the low position to the high position to make room for the welding fixture on the receiving station to enter the storage cavity from the bottom of the storage cavity.

[0019] After the welding fixture on the receiving station enters the storage cavity, the bearing end of all the supports in the storage cavity is moved from the high position to the low position to simultaneously switch the two limiting parts in the storage cavity to the bearing state. The positioning piece is configured to keep the bearing end of the support at the low position.

[0020] The height position of the bearing end of the support is changed by rotating the support, thereby realizing the loading and avoiding functions of the welding tool, and the positioning end of the positioning member cooperates with the support to avoid excessive rotation of the support and failure of the bearing function.

[0021] In some embodiments, the positioning member is fixedly installed in the storage cavity and located above the limiting end, and when the bearing end is in the low position, the limiting end abuts against the bottom surface of the positioning member to keep the bearing end of the support in the low position.

[0022] The limiting part is upper-limited by the positioning member, so that the bearing end is kept in the low position, thereby realizing the bearing function of the support.

[0023] In some embodiments, the support is eccentrically installed on the rotating shaft, and the center of gravity of the support is arranged close to the bearing end, so that after the welding tool on the loading station enters the storage cavity, the bearing ends of all the supports in the storage cavity are automatically moved from the high position to the low position by gravity.

[0024] The eccentric installation of the support enables the bearing end of the support to be automatically moved from the high position to the low position under the action of gravity, thereby realizing automatic switching of the limiting assembly from the avoiding state to the bearing state without additional driving.

[0025] In some embodiments, the limiting part further comprises an elastic reset member, the elastic reset member is installed on the positioning member, and the bearing end of the support abuts against and compresses the elastic reset member when the bearing end is moved to the high position, so that after the welding tool on the loading station enters the storage cavity, the elastic reset member applies an elastic force to the bearing end to enable the bearing end to be automatically moved from the high position to the low position.

[0026] The limiting part provides a pushing force for the bearing end during the process of moving from the high position to the low position and a buffering force for the bearing end during the process of moving from the low position to the high position, so that the limiting part keeps accurate action during repeated rotation.

[0027] In some embodiments, the loading mechanism further comprises two support frames, the two support frames are arranged at intervals along a second horizontal direction, the storage member is vertically arranged on the two support frames, an avoiding channel of the avoiding conveying mechanism is formed between the two support frames, and the first horizontal direction and the second horizontal direction are perpendicular.

[0028] The positions of the conveying mechanism and the loading mechanism are reasonably arranged by the support frames, the storage member is arranged on the conveying path of the welding tool, and the flow process is reduced.

[0029] In some embodiments, both ends of the storage member along the second horizontal direction are provided with lap joints, the storage member is lapped on the two support frames through the two lap joints, the support frame is provided with a quick release member corresponding to each lap joint, and the quick release member is configured to fix or release the corresponding lap joint relative to the support frame.

[0030] The quick release part limits the overlap part in position and contact, realizes quick locking and unlocking of the storage part, so that when the storage cavity of the storage part is full, the empty storage part is quickly replaced, and the storage efficiency is improved.

[0031] In some embodiments, the conveying mechanism comprises a jig and a moving part, wherein:

[0032] The jig is configured to carry the welding tooling to be placed;

[0033] The driving end of the moving part is connected to the jig, and the moving part is configured to drive the jig to move back and forth along the first horizontal direction and to lift and lower.

[0034] The jig is driven by the moving part to realize the transfer function of the welding tooling, so as to orderly transfer each welding tooling to the material receiving station to complete the welding tooling storage process.

[0035] In some embodiments, the moving part comprises a first driving part, a guide rail, a moving plate and a second driving part, wherein:

[0036] The guide rail is laid along the first horizontal direction;

[0037] The moving plate is slidably arranged on the guide rail along the first horizontal direction;

[0038] The driving end of the first driving part is connected to the moving plate, and the first driving part is configured to drive the moving plate to move back and forth along the guide rail;

[0039] The fixed end of the second driving part is installed on the moving plate, and the driving end of the second driving part is connected to the jig, and the second driving part is configured to drive the jig to lift and lower.

[0040] The moving plate is driven by the first driving part to move along the guide rail, which ensures the accurate action of the jig to accurately reach the material receiving station, and then the jig is driven by the second driving part to lift and lower, which meets the requirements of receiving the welding tooling and conveying the welding tooling upward to the material receiving mechanism. BRIEF DESCRIPTION OF DRAWINGS

[0041] Figure 1 is a structure diagram of a storage device for a battery piece welding tooling provided by the embodiment of the application Figure 1 ;

[0042] Figure 2 is a structure diagram of a storage device for a battery piece welding tooling provided by the embodiment of the application Figure 2 ;

[0043] Figure 3 is a structure diagram of a limiting part in a storage device for a battery piece welding tooling provided by the embodiment of the application.

[0044] Figures 1 to 3 The following reference signs are included in the drawings:

[0045] The welding tool 100;

[0046] The conveying mechanism 1, the jig 11, the moving part 12, the moving plate 121, the second driving member 122;

[0047] The material receiving mechanism 2, the storage member 21, the storage cavity 211, the lap joint 212, the limiting assembly 22, the limiting part 221, the supporting member 2211, the positioning member 2212, the elastic reset member 2213, the bearing end 2214, the limiting end 2215, the support frame 23, the quick release member 24. DETAILED DESCRIPTION

[0048] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the present application will be further described in detail below with reference to the drawings and specific embodiments.

[0049] After the welding tool used for stringing battery pieces is assembled through the production line, it needs to be taken offline and stored for subsequent battery piece welding use. During the process, not only the orderly stacking of the welding tool needs to be ensured, but also the stacking efficiency needs to be improved. The traditional battery piece welding tool is usually stored by manual operation after being assembled, which has the disadvantages of low work efficiency and high labor intensity.

[0050] To this end, the present application provides a storage device for a battery piece welding tool, which realizes automatic and neat stacking of the welding tool 100. Please refer to Figures 1 to 3 The storage device for the battery piece welding tool provided by the present application embodiment includes a conveying mechanism 1 and a material receiving mechanism 2, wherein:

[0051] At least one material receiving station is arranged on the conveying path of the conveying mechanism 1, and the conveying mechanism 1 is configured to convey the welding tool 100 to be stacked along the first horizontal direction (X direction) in the drawing to the material receiving station, and the conveying mechanism 1 is further configured to drive the welding tool 100 on the material receiving station to ascend and descend; Figure 1

[0052] The material receiving mechanism 2 is arranged at each material receiving station, and the material receiving mechanism 2 includes a storage member 21 and a limiting assembly 22. The storage member 21 has a storage cavity 211 with an open bottom and is located directly above the material receiving station. The storage cavity 211 is configured to accommodate a plurality of vertically stacked welding tools 100. The limiting assembly 22 is arranged at the bottom opening of the storage cavity 211. The limiting assembly 22 can be alternatively switched to an avoidance state or a bearing state. In the avoidance state, the limiting assembly 22 gives way to the welding tool 100 on the material receiving station to enter the space in the storage cavity 211 from the bottom of the storage cavity 211. In the bearing state, the limiting assembly 22 bears all the welding tools 100 in the storage cavity 211;

[0053] ​When the limiting assembly 22 is in the avoiding state, the conveying mechanism 1 drives the welding tool 100 in the material receiving station to ascend by a preset height, so as to move the welding tool 100 in the material receiving station into the material storage cavity 211;

[0054] When the limiting assembly 22 is in the bearing state, the conveying mechanism 1 supports the welding tool 100 in the material storage cavity 211 and descends, so as to lap the welding tool 100 at the bottom of the material storage cavity 211 on the limiting assembly 22, thereby bearing all the welding tools 100 in the material storage cavity 211.

[0055] It should be noted that in the embodiment, the welding tool 100 on the conveying mechanism 1 is relatively static, and the material storage member 21 is downwardly filled, so as to realize the storing of the welding tool 100 in the material storage member 21.

[0056] It can be seen that through the cooperation of the conveying mechanism 1 and the material receiving mechanism 2, the automatic stacking and storing of the welding tool 100 are realized, the storing efficiency is greatly improved, and the manpower is saved.

[0057] Optionally, the limiting assembly 22 includes two limiting parts 221, and the two limiting parts 221 are respectively arranged on two opposite sides in the second horizontal direction (Y direction) in the material storage cavity 211. Figure 1 The two limiting parts 221 in the material storage cavity 211 can be simultaneously switched to the avoiding state or the bearing state.

[0058] When the welding tool 100 on the material receiving station ascends by a preset height, the two limiting parts 221 are pushed away by the welding tool 100 at the top layer and switched to the avoiding state, and the welding tool 100 on the material receiving station enters the material storage cavity 211 from the bottom of the material storage cavity 211.

[0059] When all the welding tools 100 in the material storage cavity 211 descend and the welding tool 100 at the bottom is lapped on the two limiting assemblies 22, the two limiting parts 221 are automatically switched to the bearing state, and the two limiting parts 221 bear the two ends of the welding tool 100 at the bottom in the material storage cavity 211 in the second horizontal direction, and the first horizontal direction is perpendicular to the second horizontal direction.

[0060] It can be seen that through the cooperation of the two limiting parts 221 and the ascending or descending of the welding tool 100, the function of automatically switching the limiting assembly 22 between the avoiding state and the bearing state is realized, without additional control power, and the structure is simple.

[0061] Optionally, each limiting part 221 includes at least one supporting member 2211 and at least one positioning member 2212, wherein:

[0062] The support 2211 is rotatably installed in the storage cavity 211 through a rotating shaft, and the support 2211 comprises a bearing end 2214 and a limiting end 2215, the bearing end 2214 can be rotated to a low position or a high position;

[0063] The conveying mechanism 1 drives the welding tool 100 in the material collecting station to ascend by a preset height, so that the bearing end 2214 of all the supports 2211 in the storage cavity 211 is displaced from the low position to the high position by the welding tool 100, so as to make room for the welding tool 100 in the material collecting station to enter the space of the storage cavity 211 from the bottom of the storage cavity 211;

[0064] After the welding tool 100 in the material collecting station enters the storage cavity 211, that is, after the welding tool 100 is higher than the bearing end 2214, the bearing end 2214 of all the supports 2211 in the storage cavity 211 is displaced from the high position to the low position, so as to simultaneously switch the two limiting parts 221 in the storage cavity 211 to the bearing state, and the positioning part 2212 is configured to keep the bearing end 2214 of the support 2211 at the low position.

[0065] Specifically, each limiting part 221 comprises two supports 2211 arranged at intervals, and each support 2211 is provided with a positioning part 2212 correspondingly, so as to improve the stability and reliability of supporting the welding tool 100.

[0066] It can be seen that the height position of the bearing end 2214 of the support 2211 is changed by rotating the support 2211, so as to realize the loading avoidance and bearing functions of the welding tool 100, and the positioning part 2212 cooperates with the limiting end 2215 of the support 2211, so as to avoid that the bearing function is invalid due to excessive rotation of the support 2211.

[0067] Optionally, the positioning part 2212 is fixedly installed in the storage cavity 211 and located above the limiting end 2215, when the bearing end 2214 is at the low position, the limiting end 2215 abuts against the bottom surface of the positioning part 2212, so as to keep the bearing end 2214 of the support 2211 at the low position, at this time, the welding tool 100 above is used for bearing.

[0068] It can be seen that the limiting part 221 is upper-limited by the positioning part 2212, so that the bearing end 2214 is kept at the low position, and the bearing function of the support 2211 is realized.

[0069] Optionally, the support 2211 is eccentrically installed on the rotating shaft, and the gravity center of the support 2211 is arranged close to the bearing end 2214, after the welding tool 100 in the material collecting station enters the storage cavity 211, the bearing end 2214 of all the supports 2211 in the storage cavity 211 can be automatically displaced from the high position to the low position at least by gravity.

[0070] It can be seen that the eccentric mounting of the support 2211 enables the load-bearing end 2214 of the support 2211 to automatically move from the high position to the low position under the action of gravity, thereby automatically switching the limiting assembly 22 from the avoiding state to the load-bearing state without the need for additional driving.

[0071] Optionally, the limiting part 221 further comprises an elastic reset member 2213 mounted on the positioning member 2212, which abuts and compresses the elastic reset member 2213 when the load-bearing end 2214 of the support 2211 moves to the high position. After the welding tool 100 enters the storage cavity 211 at the material receiving station, the elastic reset member 2213 applies an elastic force to the load-bearing end 2214 to enable the load-bearing end 2214 to automatically move from the high position to the low position.

[0072] The elastic reset member 2213 in this embodiment is exemplified by a spring rod, which has the functions of contact buffering and pressure energy storage to assist the support 2211 in back-and-forth rotation.

[0073] It can be seen that the limiting part 221 provides a pushing force for the load-bearing end 2214 during the movement from the high position to the low position and a buffering force for the load-bearing end 2214 during the movement from the low position to the high position, thereby keeping the limiting part 221 accurate in action during repeated rotation.

[0074] Optionally, the material receiving mechanism 2 further comprises two support frames 23 spaced apart along a second horizontal direction, and the storage member 21 is vertically arranged on the two support frames 23, and the two support frames 23 form an avoiding passage for the avoiding conveying mechanism 1, and the first horizontal direction and the second horizontal direction are perpendicular.

[0075] It can be seen that the support frames 23 rationally arrange the positions of the conveying mechanism 1 and the material receiving mechanism 2, and the storage member 21 is arranged on the conveying path of the welding tool 100, thereby reducing the flow process of the welding tool 100.

[0076] Optionally, both ends of the storage member 21 along the second horizontal direction are provided with lap joints 212, and the storage member 21 is lapped on the two support frames 23 through the two lap joints 212. The support frame 23 is provided with a quick release member 24 corresponding to each lap joint 212, and the quick release member 24 is configured to fix or release the corresponding lap joint 212 relative to the support frame 23. The quick release member 24 herein has the functions of quick locking and unlocking to improve the convenience of use.

[0077] It can be seen that the quick release member 24 limits and contacts the lap joint 212 to realize the quick locking and unlocking of the storage member 21, so that when the storage cavity 211 of the storage member 21 is full, the empty storage member 21 can be quickly replaced, thereby improving the storage efficiency.

[0078] Optionally, the conveying mechanism 1 comprises a jig 11 and a moving part 12 (only part of which may be shown in the figure), wherein:

[0079] The jig 11 is configured to carry and fix the welding tooling 100 to be placed;

[0080] The driving end of the moving part 12 is connected to the jig 11, and the moving part 12 is configured to drive the jig 11 to move reciprocally along the first horizontal direction and to lift along the vertical direction.

[0081] It can be seen that the jig 11 is driven by the moving part 12 to realize the transfer function of the welding tooling 100, so as to orderly transfer the processed welding tooling 100 to the receiving station, and complete the process of storing the welding tooling 100.

[0082] Optionally, the moving part 12 comprises a first driving member, a guide rail, a moving plate 121 and a second driving member 122, wherein:

[0083] The guide rail is laid along the first horizontal direction;

[0084] The moving plate 121 is arranged on the guide rail to slide reciprocally along the first horizontal direction;

[0085] The driving end of the first driving member is connected to the moving plate 121, and the first driving member is configured to drive the moving plate 121 to move reciprocally along the guide rail;

[0086] The fixed end of the second driving member 122 is installed on the moving plate 121, and the driving end of the second driving member 122 is connected to the jig 11, and the second driving member 122 is configured to drive the jig 11 to lift.

[0087] Among them, the first driving member preferably adopts a ball screw module, a gear rack or a synchronous belt module, all of which include a motor to meet the requirement of long stroke driving of the welding tooling 100; the second driving member 122 preferably adopts a pneumatic cylinder, and the output rod of the pneumatic cylinder is connected to the jig 11, thereby driving the welding tooling 100 on the jig 11 to lift relative to the moving seat.

[0088] It can be seen that the moving plate 121 is driven by the first driving member to move along the guide rail, which ensures the accurate action of the jig 11, so as to accurately reach the receiving station, and then the jig 11 is driven by the second driving member 122 to lift, which meets the requirement of receiving the welding tooling 100 and conveying the welding tooling 100 upward to the receiving mechanism 2.

[0089] The specific working process of the battery piece welding tooling storage device is as follows:

[0090] ① The jig 11 on the conveying mechanism 1 carries and fixes the welding tooling 100;

[0091] ②The moving part 12 drives the jig 11 to translate to the material receiving station, so that the welding tool 100 on the jig 11 is aligned with the bottom opening of the storage part 21 above;

[0092] ③The moving part 12 drives the jig 11 to rise, so that the welding tool 100 enters the storage cavity 211 and pushes open the two limiting parts 221 of the limiting assembly 22, at this time, the limiting assembly 22 is in the avoiding state, and if there are other welding tools 100 in the storage cavity 211, all the welding tools 100 will be driven to rise together;

[0093] ④The moving part 12 continues to drive the jig 11 to rise until the bottommost welding tool 100 passes the limiting assembly 22, and the limiting assembly 22 automatically switches to the bearing state;

[0094] ⑤The moving part 12 drives the jig 11 to descend and support all the welding tools 100, in the process, the jig 11 releases the upper welding tool, and the bottommost welding tool 100 gradually contacts the supporting part 2211 of the two limiting parts 221, and the limiting assembly 22 bears all the welding tools 100 in the storage cavity 211;

[0095] ⑥The moving part 12 continues to drive the jig 11 to descend until the jig 11 completely leaves the storage part 21;

[0096] ⑦The moving part 12 drives the jig 11 to move away from the material receiving station.

[0097] In summary, the storage device of the battery piece welding tool provided by the utility model has the following advantages:

[0098] 1) The conveying mechanism 1 and the material receiving mechanism 2 cooperate to realize the automatic stacking and storage of the welding tool 100, the whole process does not need manual intervention, the production efficiency is high, the action precision is high, and the assembly quality is guaranteed;

[0099] 2) The limiting part 221 in the limiting assembly 22 cooperates with the welding tool 100 on the conveying mechanism 1 to realize the automatic switching of the limiting assembly 22 between the avoiding state and the bearing state, without the need for additional power control;

[0100] 3) The welding tool 100 is accurately fixed by the jig 11 and is accurately driven to translate and lift by the moving part 12, so that the position precision of the welding tool 100 is high, so as to accurately align with the storage cavity 211 of the storage part 21.

[0101] The above examples only illustrate the basic principles and characteristics of the application, and the application is not limited to the above examples, and various changes and changes can be made without departing from the spirit and scope of the application, and these changes and changes fall within the scope of the application. The scope of protection claimed by the application is defined by the appended claims and their equivalents.

Claims

1. A storage device of a battery piece welding tool, characterized by, The storage device comprises a conveying mechanism and a storage mechanism, wherein: The conveying path of the conveying mechanism is provided with at least one storage station, the conveying mechanism is configured to convey the welding tool to be stacked to the storage station along a first horizontal direction, and the conveying mechanism is further configured to drive the welding tool on the storage station to lift; The storage mechanism is provided at each storage station, the storage mechanism comprises a storage part and a limiting component, the storage part has a storage cavity with an open bottom and is located directly above the storage station, the storage cavity is configured to accommodate a plurality of vertically stacked welding tools, and the limiting component is arranged at the open bottom of the storage cavity, the limiting component can be alternatively switched to an avoiding state or a bearing state, the limiting component is configured to leave space for the welding tool on the storage station to enter the storage cavity from the bottom of the storage cavity in the avoiding state, and the limiting component is further configured to bear all the welding tools in the storage cavity in the bearing state; When the limiting component is in the avoiding state, the conveying mechanism drives the welding tool on the storage station to rise by a preset height, so as to move the welding tool on the storage station into the storage cavity; When the limiting component is in the bearing state, the conveying mechanism supports the welding tools in the storage cavity and descends, so as to lap the bottommost welding tool in the storage cavity on the limiting component, thereby bearing all the welding tools in the storage cavity.

2. The storage device of the battery piece welding tooling apparatus according to claim 1, wherein, The limiting component comprises two limiting parts, the two limiting parts are arranged on two opposite sides in a second horizontal direction in the storage cavity, and the two limiting parts in the storage cavity can be simultaneously switched to the avoiding state or the bearing state; When the welding tool on the storage station rises by the preset height, the two limiting parts are pushed away by the uppermost welding tool and switched to the avoiding state, and the welding tool on the storage station enters the storage cavity from the bottom of the storage cavity; When all the welding tools in the storage cavity descend and the bottommost welding tool is lapped on the limiting component, the two limiting parts are automatically switched to the bearing state, and the two limiting parts bear the bottommost welding tool in the storage cavity at two ends in the second horizontal direction, and the first horizontal direction is perpendicular to the second horizontal direction.

3. The storage device of the battery piece welding tooling apparatus according to claim 2, wherein, Each limiting part comprises at least one supporting piece and at least one positioning piece, wherein: The supporting piece is rotatably mounted in the storage cavity through a rotating shaft, the supporting piece comprises a bearing end and a limiting end, and the bearing end can be rotated to a low position or a high position; The conveying mechanism drives the welding tool on the storage station to rise by a preset height, so that the bearing end of all the supporting pieces in the storage cavity is pushed by the welding tool to move from the low position to the high position, so as to leave space for the welding tool on the storage station to enter the storage cavity from the bottom of the storage cavity. When the welding tool on the receiving station enters the storage cavity, the carrying ends of all the supporting members in the storage cavity are moved from the high position to the low position to simultaneously switch the two limiting parts in the storage cavity to the carrying state, and the positioning member is configured to keep the carrying end of the supporting member at the low position.

4. The storage device of the battery piece welding tooling apparatus according to claim 3, wherein, The positioning member is fixedly installed in the storage cavity above the limiting end, and when the carrying end is at the low position, the limiting end abuts against the bottom surface of the positioning member to keep the carrying end of the supporting member at the low position.

5. The storage device of the battery piece welding tooling apparatus according to claim 3, wherein, The supporting member is eccentrically installed on the rotating shaft, and the gravity center of the supporting member is arranged close to the carrying end. When the welding tool on the receiving station enters the storage cavity, the carrying end of the supporting member is automatically moved from the high position to the low position by gravity.

6. The storage device of the cell welding tooling according to claim 3, wherein, Each limiting part further comprises an elastic return member installed on the positioning member, and when the carrying end of the supporting member is moved to the high position, the elastic return member is abutted and compressed. After the welding tool on the receiving station enters the storage cavity, the elastic return member applies an elastic force to the carrying end to automatically move the carrying end from the high position to the low position.

7. The storage device of the cell welding tooling according to claim 1, wherein, The receiving mechanism further comprises two supporting frames spaced apart along a second horizontal direction, the storage member is vertically arranged on the two supporting frames, and an avoiding channel for avoiding the conveying mechanism is formed between the two supporting frames. The first horizontal direction and the second horizontal direction are perpendicular.

8. The storage device of the battery piece welding tooling apparatus according to claim 7, wherein, Both ends of the storage member along the second horizontal direction are provided with overlapping parts, the storage member is overlapped on the two supporting frames through the two overlapping parts, and the supporting frame is provided with a quick release member corresponding to each overlapping part. The quick release member is configured to fix or release the corresponding overlapping part relative to the supporting frame.

9. The storage device of the cell welding tooling according to claim 1, wherein, The conveying mechanism comprises a jig and a moving part, wherein: The jig is configured to carry the welding tool to be placed; The driving end of the moving part is connected to the jig, and the moving part is configured to drive the jig to reciprocate and lift along a first horizontal direction.

10. The storage device of the battery piece welding tooling apparatus according to claim 9, wherein, The moving part comprises a first driving member, a guide rail, a moving plate and a second driving member, wherein: The guide rail is laid along the first horizontal direction; The moving plate is arranged on the guide rail to reciprocate along the first horizontal direction; The driving end of the first driving member is connected to the moving plate, and the first driving member is configured to drive the moving plate to reciprocate along the guide rail; The fixed end of the second driving member is installed on the moving plate, and the driving end of the second driving member is connected to the jig. The second driving member is configured to drive the jig to lift.

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