A lithium battery welding and encapsulation device and processing method

Abstract

The present invention relates to the technical field of lithium battery processing. Specifically, it relates to a lithium battery welding and encapsulation device and a processing method, which include a moving part, an aggregate part, a blanking part and a clamping part. The aggregate part is placed on one side of the moving part, the blanking part is rotatably connected to the moving part, and the clamping part is placed on one side of the moving part; the clamping part includes a clamping bottom plate, a clamping turntable, a first clamping component, a second clamping component and a clamping component. The clamping turntable is rotatably connected to the clamping bottom plate. The first clamping component and the second clamping component are placed on the top of the clamping turntable. The first clamping component and the second clamping component are slidably connected to the clamping turntable. The clamping components are distributed at the four corners on the top of the clamping turntable, solving the problems in the prior art that most lithium battery welding devices are installed and welded manually, with low work efficiency, low welding qualification rate and low finished product rate.

Description

Technical Field

[0001] This invention patent relates to the technical field of lithium battery processing. Specifically, it relates to a lithium battery welding and encapsulation device and a processing method. Background Art

[0002] A Chinese patent with the publication number CN108044263B discloses a lithium battery welding device, which includes a conveying mechanism, a base, and a first cylinder, a welding mechanism, a cooling device, and a second cylinder placed thereon. A baffle is installed on one side of the conveying mechanism. A mold for forming a welding part is installed at the end of the cylinder push rod of the first cylinder. The welding mechanism and the cooling device extend to the welding part formed by the mold. The second cylinder is on the same side as the mold, and when it operates, the cylinder push rod sends the lithium battery tab to the welding part and welds and fixes it through the welding mechanism. The base is also equipped with a controller that is electrically connected to the conveying mechanism, the first cylinder, the welding mechanism, the cooling device, and the second cylinder respectively.

[0003] A Chinese patent with the publication number CN109732192A discloses a lithium battery welding device. The feeding rack is located at the left side of the machine table. A movable disk is installed on the feeding plate of the feeding rack. A pushing cylinder is installed on the bracket under the vibrating feeding tray. The piston rod of the pushing cylinder is fixedly connected to the movable disk. U-shaped through grooves are provided on both the feeding plate and the movable disk. A driving motor is installed on the piston rod of the linear electric cylinder one of the cross displacement mechanism. A rotating column is fixed on the rotating shaft of the driving motor. Four receiving plates are fixed on the top of the rotating column. Vacuum suction cups are installed on the top surfaces of the ends of the four receiving plates. The receiving plates are located below the feeding plate. A track transmission mechanism is installed on the mounting seat. A plurality of lithium battery positioning grooves are provided on the outer side of the track of the track transmission mechanism. An ultrasonic welding machine is fixed at the end of the piston rod of the linear electric cylinder two of the mounting frame. The end of the receiving plate with a vacuum suction cup corresponds to the side slot opening of the lithium battery positioning groove.

[0004] However, most of the existing lithium battery welding devices are installed and welded manually, with low work efficiency, low welding qualification rate and finished product rate. Summary of the Invention

[0005] The purpose of the present invention is to provide a lithium battery welding and encapsulation device and a processing method, aiming to solve the problems in the prior art that most of the lithium battery welding devices are installed and welded manually, with low work efficiency, low welding qualification rate and finished product rate.

[0006] The present invention is realized as follows. A lithium battery welding and encapsulation device includes a moving part, an aggregate part, a feeding part, and a clamping part. The aggregate part is placed on one side of the moving part. The feeding part is rotationally connected to the moving part. The clamping part is placed on one side of the moving part.

[0007] The clamping part includes a clamping base plate, a clamping rotating seat, a first clamping component, a second clamping component and a clamping component. The clamping rotating seat is rotatably connected to the clamping base plate. The first clamping component and the second clamping component are placed on the top of the clamping rotating seat. The first clamping component and the second clamping component are both slidably connected to the clamping rotating seat. The clamping components are distributed at the four corners on the top of the clamping rotating seat.

[0008] The blanking part includes a blanking sliding cylinder. The material collecting part includes a material collecting bin, a material collecting push plate, a material collecting baffle, a material collecting support block, a material collecting support rod and a material collecting spring. The material collecting support block is fixedly connected to the bottom of the material collecting bin. The material collecting support rod is fixedly connected to the material collecting support block. The material collecting baffle is fixedly connected to one side of the material collecting push plate. The material collecting push plate is slidably connected to the material collecting support rod. Both ends of the material collecting spring are connected to the material collecting push plate and the material collecting support block.

[0009] The blanking sliding cylinder is rotatably connected to the clamping part. The blanking sliding cylinder abuts against the material collecting push plate. A blanking hole is provided at the bottom of the material collecting bin. The material collecting baffle abuts against the bottom of the blanking hole. The blanking part further includes a blanking side plate, a blanking rotating rod and a blanking clamping plate. The blanking side plate is placed at the bottom of the blanking sliding cylinder. The blanking rotating rod is rotatably connected to the blanking side plate. The blanking clamping plate is placed in the middle of the blanking rotating rod. The blanking clamping plate is rotatably connected to the blanking rotating rod.

[0010] The first clamping component includes a first slide way, a first clamping screw block, a first clamping screw rod, a first clamping slider and a first clamping slide plate. The first slide way is placed on the top of the clamping rotating seat. The first clamping screw rod is placed on the top of the clamping rotating seat. The first clamping screw block is in threaded rotation connection with the first clamping screw rod. The first clamping screw block is fixedly connected to the middle of the first clamping slide plate. The first clamping slider is fixedly connected to the bottom of the first clamping slide plate. The first clamping slider is slidably connected to the first slide way.

[0011] The second clamping component includes a second slide way, a second clamping screw rod, a second clamping slider and a second clamping slide plate. The second slide way is placed on the top of the clamping rotating seat. The second clamping screw rod is rotatably connected to the second slide way. The second clamping slider is in threaded transmission connection with the second clamping screw rod. The second clamping slider is slidably connected to the second slide way. The second clamping slide plate is fixedly connected to the second clamping slider.

[0012] The clamping component includes a clamping support, a clamping cylinder, a clamping wedge block, a pressing cylinder, a pressing air rod, a pressing hinge block and a pressing hinge seat. The clamping support is placed on the top of the first clamping slide plate. The clamping cylinder is fixedly connected to the top of the clamping support. The pressing cylinder is placed at the bottom of the clamping support. The pressing air rod is slidably connected to the pressing cylinder. The pressing hinge seat is fixedly connected to the clamping support. The pressing hinge block is hinged to the pressing hinge seat. The pressing air rod is hinged to the pressing hinge block.

[0013] The movable part includes a movable support, a horizontal frame, a horizontal bar, a driving motor, a first slide, a vertical frame, a second slide, a third slide, a support plate and a vertical frame. The movable support is placed at the bottom of the horizontal frame, the horizontal bar is rotatably connected to the middle of the horizontal frame, the driving motor is transmission-connected to the horizontal bar, the first slide is transmission-connected to the horizontal bar, the vertical frame is placed on the top of the first slide, the second slide is slidably connected to the vertical frame, the vertical frame is fixedly connected to one side of the second slide, the third slide is slidably connected to the vertical frame, and the support plate is fixedly connected to the side of the third slide.

[0014] It also includes a welding gun, and the moving part also includes a rotating block and a welding seat, the rotating block is rotatably connected to the support plate, the welding seat is rotatably connected to the rotating block, and the welding gun is installed on the welding seat.

[0015] It also includes a driving part, which includes a main motor, a driving frame, a driving pulley, a sub-frame and a sub-pulley, the driving frame and the sub-frame are placed at the bottom of the clamping base plate, the main motor is placed at the bottom of the driving frame, the driving pulley is transmission-connected to the main motor, the sub-frame is rotationally connected to the sub-frame, and the driving pulley is transmission-connected to the sub-frame.

[0016] The present invention also discloses a processing method of a lithium battery welding packaging device:

[0017] S1. Place the battery in the material collection bin, and drive the unloading slide to the bottom of the material collection bin by driving the moving part. The side of the unloading slide abuts against the material collection push plate to push the material collection push plate and the material collection baffle to slide along the material collection support rod, compressing the material collection spring, and the battery in the material collection bin falls into the unloading slide through the unloading hole;

[0018] S2. Place the battery holder on top of the clamping portion, and clamp the bottom of the battery holder on the top of the clamping portion by controlling the first clamping assembly and the second clamping assembly and the clamping assembly;

[0019] S3. The driving moving part moves the unloading slide with the battery to the top of the battery holder, places the battery on the top of the unloading splint, clamps the battery by the unloading splint and rotates it, and places the battery on the top of the battery holder after changing the horizontal state to a vertical state;

[0020] S4. Use the moving part to drive the welding gun to perform welding operation on the top of the battery.

[0021] Compared with the prior art, the present invention provides.

[0022] The structure of the present invention is concise, practical and convenient. It can weld lithium batteries in large quantities, quickly and effectively, greatly improving the welding efficiency of lithium batteries and reducing labor costs. The present invention places the batteries through the setting of an aggregate part, drives the feeding part to lower the batteries through the moving part, and fixes the battery holder through the clamping part, replacing manual placement of the batteries and improving the welding efficiency of battery welding. After the batteries are placed, the welding torch can be driven by the moving part for welding, improving the processing quality and processing efficiency of welding. Description of the Drawings

[0023] Figure 1 is a schematic structural diagram of a lithium battery welding and encapsulation device of the present invention;

[0024] Figure 2 is Figure 1 a partial enlarged view of part A in

[0025] Figure 3 is a schematic structural diagram of the moving part in a lithium battery welding and encapsulation device of the present invention;

[0026] Figure 4 is a schematic structural diagram of the clamping part in a lithium battery welding and encapsulation device of the present invention;

[0027] Figure 5 is Figure 4 a partial enlarged view of part B in

[0028] Figure 6 is a schematic structural diagram of the aggregate part in a lithium battery welding and encapsulation device of the present invention;

[0029] Reference Signs:

[0030] Moving part 1; Moving support 101; Horizontal frame 102; Cross bar 103; Driving motor 104; First sliding seat 105; Vertical frame 106; Second sliding seat 107; Third sliding seat 108; Support plate 109; Longitudinal frame 110; Rotating block 111; Welding seat 112;

[0031] Aggregate part 2; Aggregate bin 202; Aggregate push plate 203; Aggregate baffle 204; Aggregate support block 205; Aggregate support rod 206; Aggregate spring 207;

[0032] Welding torch 3;

[0033] Feeding part 4; Feeding sliding cylinder 401; Feeding side plate 402; Feeding rotating rod 403; Feeding clamping plate 404;

[0034] Clamping part 5; Clamping base plate 501; Clamping rotating seat 502; First clamping assembly 503; Second clamping assembly 504; Clamping component 505; First slideway 506; First clamping screw block 507; First clamping screw rod 508; First clamping slider 509; First clamping slide plate 510; Second slideway 511; Second clamping screw rod 512; Second clamping slider 513; Second clamping slide plate 514; Clamping cylinder 515; Clamping support 516; Clamping wedge block 517; Pressing cylinder 518; Pressing rod 519; Pressing hinge block 520; Pressing hinge seat 521;

[0035] Driving part 6; Main motor 601; Driving frame 602; Driving belt pulley 603; Sub-bracket 604; Sub-belt pulley 605. Specific implementation mode

[0036] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0037] The implementation of the present invention will be described in detail below with reference to specific embodiments.

[0038] In the drawings of this embodiment, the same or similar reference numerals correspond to the same or similar components; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship, they are based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the positional relationship in the drawings are only for illustrative purposes and cannot be construed as a limitation of this patent. For those of ordinary skill in the art, the specific meanings of the above terms can be understood according to specific circumstances.

[0039] As Figures 1-6 shown, the present invention provides a lithium battery welding and encapsulation device, including a moving part 1, an aggregate part 2, a blanking part 4 and a clamping part 5. The aggregate part 2 is placed on one side of the moving part 1. The blanking part 4 is rotatably connected to the moving part 1. The clamping part 5 is placed on one side of the moving part 1;

[0040] The clamping part 5 includes a clamping base plate 501, a clamping rotating seat 502, a first clamping assembly 503, a second clamping assembly 504 and a clamping component 505. The clamping rotating seat 502 is rotatably connected to the clamping base plate 501. The first clamping assembly 503 and the second clamping assembly 504 are placed on the top of the clamping rotating seat 502. Both the first clamping assembly 503 and the second clamping assembly 504 are slidably connected to the clamping rotating seat 502. The clamping component 505 is distributed at the four corners on the top of the clamping rotating seat 502.

[0041] In the present invention, an aggregate part 2 is provided to place the battery. The feeding part 4 is driven by the moving part 1 to lower the battery, and the clamping part fixes the battery holder, replacing manual placement of the battery, improving the welding efficiency of battery welding. After the battery is placed, the welding torch 3 can be driven by the moving part 1 for welding, improving the processing quality and processing efficiency of welding.

[0042] Place the battery in the aggregate bin 202. Drive the moving part 1 to drive the feeding slide cylinder 401 to move to the bottom of the aggregate bin 202. The side of the feeding slide cylinder 401 abuts against the aggregate pushing plate 203 to push the aggregate pushing plate 203 and the aggregate baffle 204 to slide along the aggregate support rod 206, compressing the aggregate spring 207. The battery in the aggregate bin 202 falls into the feeding slide cylinder 401 through the feeding hole; Place the battery holder on the top of the clamping part 5, and control the first clamping component 503, the second clamping component 504 and the clamping component 505 to clamp the bottom of the battery holder on the top of the clamping part 5.

[0043] The feeding part 4 includes a feeding slide cylinder 401. The aggregate part 2 includes an aggregate bin 202, an aggregate pushing plate 203, an aggregate baffle 204, an aggregate support block 205, an aggregate support rod 206 and an aggregate spring 207. The aggregate support block 205 is fixedly connected to the bottom of the aggregate bin 202. The aggregate support rod 206 is fixedly connected to the aggregate support block 205. The aggregate baffle 204 is fixedly connected to one side of the aggregate pushing plate 203. The aggregate pushing plate 203 is slidably connected to the aggregate support rod 206. Both ends of the aggregate spring 207 are connected to the aggregate pushing plate 203 and the aggregate support block 205.

[0044] The feeding slide cylinder 401 is rotatably connected to the clamping part 5. The feeding slide cylinder 401 abuts against the aggregate pushing plate 203. A feeding hole is provided at the bottom of the aggregate bin 202. The aggregate baffle 204 abuts against the bottom of the feeding hole. The feeding part 4 further includes a feeding side plate 402, a feeding rotating rod 403 and a feeding clamping plate 404. The feeding side plate 402 is placed at the bottom of the feeding slide cylinder 401. The feeding rotating rod 403 is rotatably connected to the feeding side plate 402. The feeding clamping plate 404 is placed in the middle of the feeding rotating rod 403. The feeding clamping plate 404 is rotatably connected to the feeding rotating rod 403.

[0045] Drive the moving part 1 to move the feeding slide cylinder 401 containing the battery to the top of the battery holder, lower the battery to the top of the feeding clamping plate 404, clamp and rotate the battery by the feeding clamping plate 404, and place the battery on the top of the battery holder after changing the battery from a horizontal state to a vertical state.

[0046] The first clamping assembly 503 includes a first slideway 506, a first clamping screw block 507, a first clamping screw rod 508, a first clamping slider 509 and a first clamping slide plate 510. The first slideway 506 is placed on the top of the clamping turntable 502. The first clamping screw rod 508 is placed on the top of the clamping turntable 502. The first clamping screw block 507 is in threaded rotational connection with the first clamping screw rod 508. The first clamping screw block 507 is fixedly connected to the middle of the first clamping slide plate 510. The first clamping slider 509 is fixedly connected to the bottom of the first clamping slide plate 510. The first clamping slider 509 is slidably connected to the first slideway 506.

[0047] The second clamping assembly 504 includes a second slideway 511, a second clamping screw rod 512, a second clamping slider 513 and a second clamping slide plate 514. The second slideway 511 is placed on the top of the clamping turntable 502. The second clamping screw rod 512 is rotationally connected to the second slideway 511. The second clamping slider 513 is in threaded transmission connection with the second clamping screw rod 512. The second clamping slider 513 is slidably connected to the second slideway 511. The second clamping slide plate 514 is fixedly connected to the second clamping slider 513.

[0048] By freely driving the clamping size of the clamping component 505, the first clamping assembly 503 and the second clamping assembly 504 can be used to clamp and fix battery holders of different sizes.

[0049] The clamping component 505 includes a clamping support 516, a clamping cylinder 515, a clamping wedge 517, a pressing cylinder 518, a pressing rod 519, a pressing hinge block 520 and a pressing hinge seat 521. The clamping support 516 is placed on the top of the first clamping slide plate 510. The clamping cylinder 515 is fixedly connected to the top of the clamping support 516. The pressing cylinder 518 is placed at the bottom of the clamping support 516. The pressing rod 519 is slidably connected to the pressing cylinder 518. The pressing hinge seat 521 is fixedly connected to the clamping support 516. The pressing hinge block 520 is hinged to the pressing hinge seat 521. The pressing rod 519 is hinged to the pressing hinge block 520.

[0050] The moving part 1 includes a moving support 101, a cross frame 102, a cross bar 103, a driving motor 104, a first sliding seat 105, a vertical frame 106, a second sliding seat 107, a third sliding seat 108, a support plate 109 and a longitudinal frame 110. The moving support 101 is placed at the bottom of the cross frame 102. The cross bar 103 is rotationally connected to the middle of the cross frame 102. The driving motor 104 is in transmission connection with the cross bar 103. The first sliding seat 105 is in transmission connection with the cross bar 103. The vertical frame 106 is placed on the top of the first sliding seat 105. The second sliding seat 107 is slidably connected to the vertical frame 106. The longitudinal frame 110 is fixedly connected to one side of the second sliding seat 107. The third sliding seat 108 is slidably connected to the longitudinal frame 110. The support plate 109 is fixedly connected to the side of the third sliding seat 108.

[0051] It further includes a welding torch 3. The moving part 1 further includes a rotating block 111 and a welding seat 112. The rotating block 111 is rotatably connected to the support plate 109, the welding seat 112 is rotatably connected to the rotating block 111, and the welding torch 3 is installed on the welding seat 112.

[0052] It further includes a driving part 6. The driving part 6 includes a main motor 601, a driving frame 602, a driving belt pulley 603, a secondary support 604 and a secondary belt pulley 605. The driving frame 602 and the secondary support 604 are placed at the bottom of the clamping bottom plate 501. The main motor 601 is placed at the bottom of the driving frame 602. The driving belt pulley 603 is in transmission connection with the main motor 601. The secondary belt pulley 605 is rotatably connected to the secondary support 604. The driving belt pulley 603 is in transmission connection with the secondary belt pulley 605.

[0053] Referring to the figures, a preferred embodiment provided by the present invention is shown.

[0054] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A lithium battery welding and encapsulation device, characterized in that, It includes a moving part, an aggregate part, a blanking part and a clamping part. The aggregate part is placed on one side of the moving part. The blanking part is rotatably connected to the moving part. The clamping part is placed on one side of the moving part. The clamping part includes a clamping bottom plate, a clamping rotating seat, a first clamping component, a second clamping component and a clamping component. The clamping rotating seat is rotatably connected to the clamping bottom plate. The first clamping component and the second clamping component are placed on the top of the clamping rotating seat. The first clamping component and the second clamping component are both slidably connected to the clamping rotating seat. The clamping component is distributed at the four corners on the top of the clamping rotating seat. The blanking part includes a blanking sliding cylinder. The aggregate part includes an aggregate bin, an aggregate pushing plate, an aggregate baffle, an aggregate supporting block, an aggregate supporting rod and an aggregate spring. The aggregate supporting block is fixedly connected to the bottom of the aggregate bin. The aggregate supporting rod is fixedly connected to the aggregate supporting block. The aggregate baffle is fixedly connected to one side of the aggregate pushing plate. The aggregate pushing plate is slidably connected to the aggregate supporting rod. The two ends of the aggregate spring are connected to the aggregate pushing plate and the aggregate supporting block. The blanking sliding cylinder abuts against the aggregate pushing plate. A blanking hole is provided at the bottom of the aggregate bin. The aggregate baffle abuts against the bottom of the blanking hole. The blanking part further includes a blanking side plate, a blanking rotating rod and a blanking clamping plate. The blanking side plate is placed at the bottom of the blanking sliding cylinder. The blanking rotating rod is rotatably connected to the blanking side plate. The blanking clamping plate is placed in the middle of the blanking rotating rod. The blanking clamping plate is rotatably connected to the blanking rotating rod.

2. The lithium battery welding and encapsulation device according to claim 1, wherein The first clamping component includes a first sliding track, a first clamping screw block, a first clamping screw rod, a first clamping slider and a first clamping sliding plate. The first sliding track is placed on the top of the clamping rotating seat. The first clamping screw rod is placed on the top of the clamping rotating seat. The first clamping screw block is in threaded rotation connection with the first clamping screw rod. The first clamping screw block is fixedly connected to the middle of the first clamping sliding plate. The first clamping slider is fixedly connected to the bottom of the first clamping sliding plate. The first clamping slider is slidably connected to the first sliding track.

3. The lithium battery welding and encapsulation device according to claim 2, characterized in that, The second clamping component includes a second sliding track, a second clamping screw rod, a second clamping slider and a second clamping sliding plate. The second sliding track is placed on the top of the clamping rotating seat. The second clamping screw rod is rotatably connected to the second sliding track. The second clamping slider is in threaded transmission connection with the second clamping screw rod. The second clamping slider is slidably connected to the second sliding track. The second clamping sliding plate is fixedly connected to the second clamping slider.

4. A lithium battery welding and encapsulation device according to claim 3, characterized in that, The clamping component includes a clamping support, a clamping cylinder, a clamping wedge block, a pressing cylinder, a pressing air rod, a pressing hinge block and a pressing hinge seat. The clamping support is placed on the top of the first clamping sliding plate. The clamping cylinder is fixedly connected to the top of the clamping support. The pressing cylinder is placed at the bottom of the clamping support. The pressing air rod is slidably connected to the pressing cylinder. The pressing hinge seat is fixedly connected to the clamping support. The pressing hinge block is hinged to the pressing hinge seat. The pressing air rod is hinged to the pressing hinge block.

5. The lithium battery welding and encapsulation device according to claim 4, characterized in that, The movable part includes a movable support, a horizontal frame, a horizontal bar, a driving motor, a first slide, a vertical frame, a second slide, a third slide, a support plate and a vertical frame. The movable support is placed at the bottom of the horizontal frame, the horizontal bar is rotatably connected to the middle of the horizontal frame, the driving motor is transmission-connected to the horizontal bar, the first slide is transmission-connected to the horizontal bar, the vertical frame is placed on the top of the first slide, the second slide is slidably connected to the vertical frame, the vertical frame is fixedly connected to one side of the second slide, the third slide is slidably connected to the vertical frame, and the support plate is fixedly connected to the side of the third slide.

6. The lithium battery welding and encapsulation device according to claim 5, characterized in that, It also includes a welding gun, and the moving part also includes a rotating block and a welding seat, the rotating block is rotatably connected to the support plate, the welding seat is rotatably connected to the rotating block, and the welding gun is installed on the welding seat.

7. A lithium battery welding and encapsulation device according to claim 6, characterized in that, It also includes a driving part, which includes a main motor, a driving frame, a driving pulley, a sub-frame and a sub-pulley, the driving frame and the sub-frame are placed at the bottom of the clamping base plate, the main motor is placed at the bottom of the driving frame, the driving pulley is transmission-connected to the main motor, the sub-frame is rotationally connected to the sub-frame, and the driving pulley is transmission-connected to the sub-frame.

8. The processing method of a lithium battery welding packaging device according to claim 7, characterized in that: S1. Place the battery in the material collection bin, and drive the unloading slide to the bottom of the material collection bin by driving the moving part. The side of the unloading slide abuts against the material collection push plate to push the material collection push plate and the material collection baffle to slide along the material collection support rod, compressing the material collection spring, and the battery in the material collection bin falls into the unloading slide through the unloading hole; S2. Place the battery holder on top of the clamping portion, and clamp the bottom of the battery holder on the top of the clamping portion by controlling the first clamping assembly and the second clamping assembly and the clamping assembly; S3. The driving moving part moves the unloading slide with the battery to the top of the battery holder, places the battery on the top of the unloading splint, clamps the battery by the unloading splint and rotates it, and places the battery on the top of the battery holder after changing the horizontal state to a vertical state; S4. Use the moving part to drive the welding gun to perform welding operation on the top of the battery.

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