Battery pack caching pairing device

Abstract

The utility model discloses a battery package buffering and matching device, including matching and positioning platform, the horizontal sliding of loading slide plate of matching and positioning platform, the loading mechanism of at least two of elevating sliding of loading slide plate and the removal mechanism of being located above matching and positioning platform, and horizontal shift drive assembly is transmission connection with loading slide plate, the utility model discloses through the longitudinal butt joint of loading mechanism and removal mechanism to receive the battery package of removal mechanism transmission, avoids the removal mechanism to lower the battery package of loosening and the collision damage of adjacent loading mechanism and its battery package when, realizes the classification recovery of intelligent to the defective product or good product battery package, and the classification efficiency is high, and the classification effect is good, and the damage rate of battery package classification has been reduced, solved the problem that the adjacent two storage fixtures and battery package are damaged and cause battery classification recovery state confusion and the high damage rate of battery package classification when to the current collection battery package of mechanical hand with vertical swing mode.

Description

Technical Field

[0001] This utility model relates to the field of cache pairing devices, and more particularly to a battery pack cache pairing device. Background Technology

[0002] During battery manufacturing, battery packs undergo power-on and sealing tests. After testing, batteries are categorized into good and defective products. Defective batteries need to be collected and recycled. Large batteries occupy significant space during transport, and flat placement is particularly space-consuming, hindering rapid transfer and recycling. While vertical placement saves space and reduces the footprint of the conveyor equipment, improving efficiency, the small spacing between adjacent packs causes collisions between the robotic arm and adjacent storage fixtures and their batteries when placing the next battery. This damages the fixtures and packs, leading to chaotic battery sorting and high damage rates, which is detrimental to industrial development. Utility Model Content

[0003] The purpose of this invention is to overcome the shortcomings of the prior art and provide a battery pack buffer pairing device.

[0004] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: The battery pack buffer pairing device includes a material loading slide, at least two material loading mechanisms, a pairing positioning platform, a lateral movement drive component, and a transfer mechanism. The material loading slide is laterally slidably mounted on the pairing positioning platform. The at least two material loading mechanisms are respectively lifted and slidably mounted on the material loading slide and are used to store battery packs. The transfer mechanism is located above the pairing positioning platform and is used to place battery packs onto the material loading mechanisms or remove qualified battery packs from the material loading mechanisms. The lateral movement drive component is connected to the material loading slide and is used to drive the material loading slide to move laterally on the pairing positioning platform. The material loading slide drives the at least two material loading mechanisms to move laterally and respectively dock with the transfer mechanism longitudinally.

[0005] The pairing positioning platform includes a pairing plate and at least two linear guide rails, the at least two linear guide rails being parallel to each other and the at least two linear guide rails being horizontally mounted on the pairing plate.

[0006] The bottom of the pairing platform is equipped with a first lifting device and a second lifting device. The first lifting device and the second lifting device are respectively connected to the material loading mechanism above. The first lifting device and the second lifting device are respectively used to raise the material loading mechanism above to receive the battery pack from the transfer mechanism.

[0007] Furthermore, the material loading mechanism includes at least two parallel linear guide rods, a material loading base plate, at least two lateral limiting components, at least two material loading positioning components, and a card holder. The at least two linear guide rods are slidably mounted on the material loading slide plate. The material loading base plate is connected and installed to the top of the at least two linear guide rods. The at least two lateral limiting components and the at least two material loading positioning components are alternately mounted on the top of the material loading base plate. The material loading positioning components are used to support the battery pack, the lateral limiting components provide lateral support and limit the battery pack, and the card holder is mounted on the bottom of the material loading base plate.

[0008] The material positioning assembly includes a support block and two connecting plates. The lower ends of the two connecting plates are respectively connected and installed to the two sides of the material base plate. The support block is movably installed between the two connecting plates and is located above the material base plate. The connecting plates are provided with positioning grooves. The two sides of the support block opposite to the two connecting plates are provided with support block positioning screw holes. The top of the support block is recessed with a material support groove for supporting the battery pack.

[0009] The lateral limiting component includes two blocks and two block bases. The two block bases are arranged opposite each other and are respectively installed on the two sides of the material carrier plate. The two blocks are respectively fixedly installed on the two block bases. Each block base has a base positioning groove at both ends. The top of the two blocks has guide slopes on opposite inner sides.

[0010] Specifically, the bottom of the card holder is provided with a card slot, the longitudinal section of the card slot is flat and round, the card slot runs through both sides of the card holder, the width of the slot opening on the bottom surface of the card holder is smaller than the width inside the card slot, and the card fingers are integrally formed with the card holder on both sides of the slot opening.

[0011] Both the first and second lifting devices are equipped with floating joints at their output ends, and the top of the floating joints is equipped with a locking platform.

[0012] Specifically, the material-carrying slide plate is provided with joint through holes at positions corresponding to each material-carrying mechanism, allowing the floating joints to pass through.

[0013] Furthermore, the first lifting device and the second lifting device are respectively provided with first sensor mounting plates on both sides, and each first sensor mounting plate is equipped with a first through-beam sensor.

[0014] Furthermore, a second sensor mounting plate is respectively installed on both ends of the pairing platform, and a second through-beam sensor is respectively installed on each second sensor mounting plate. Both the first and second through-beam sensors can be through-beam sensors of model E3F-20C1 / L, but this is not a limitation.

[0015] Furthermore, the transfer mechanism includes a lifting assembly, a clamping device mounting frame, a first clamping assembly, and a second clamping assembly. The clamping device mounting frame is mounted on the output end of the lifting assembly, and the first clamping assembly and the second clamping assembly are respectively mounted on both ends of the clamping device mounting frame. The first clamping assembly and the second clamping assembly are used to clamp the battery pack. The lifting assembly drives the clamping device mounting frame to move up and down, thereby driving the first clamping assembly and the second clamping assembly to move up and down.

[0016] The first clamping assembly includes a clamp opening and closing drive device mounted on one end of the clamping device mounting frame. Clamps are respectively mounted on the two output ends of the clamp opening and closing drive device. The clamp opening and closing drive device drives the two clamps to open and close to clamp or release the battery pack.

[0017] Specifically, the structure of the second clamping component is the same as that of the first clamping component.

[0018] Furthermore, a controller or control system is provided for signal control of components such as the material loading mechanism, the transverse drive assembly, the transfer mechanism, the first lifting device, and the second lifting device. The controller is a PLC programmable logic controller, and the PLC programmable logic controller can be a programmable logic controller of model XDS-40T-D, but is not limited thereto.

[0019] Compared with existing technologies, the beneficial effects of this utility model are as follows: By designing the structures of the loading mechanism, the pairing and positioning platform, and the transfer mechanism separately, and using the loading mechanism, the pairing and positioning platform, and the transfer mechanism in conjunction with the transverse drive component, the loading mechanism can accurately dock with the transfer mechanism after longitudinal and transverse movement to receive the battery packs transferred by the transfer mechanism. This avoids collisions between the transfer mechanism and adjacent loading mechanisms when the transfer mechanism lowers and releases the battery packs, thus preventing damage to the loading mechanism and the battery packs on it. It achieves intelligent classification and recycling of defective or good battery packs while greatly reducing the damage rate during battery pack classification, enabling orderly classification of battery packs. It has the advantages of high classification efficiency, high classification accuracy, and good classification effect. It effectively solves the problem that the current method of using a robotic arm to collect battery packs in a vertical swing manner easily damages two adjacent storage fixtures and the battery packs on them, resulting in a high damage rate and chaotic battery classification and recycling status during battery pack classification. Attached Figure Description

[0020] For ease of explanation, the present invention will be described in detail below with reference to the preferred embodiments and accompanying drawings.

[0021] Figure 1 This is a perspective view of a battery pack buffer pairing device according to the present invention.

[0022] Figure 2This is a perspective view of a battery pack buffer pairing device of the present invention, without a transfer mechanism and carrying a battery pack.

[0023] Figure 3 This is a perspective view of the material loading mechanism of a battery pack buffer pairing device of the present invention docking with the first lifting device.

[0024] Figure 4 This is a perspective view of the material loading mechanism of a battery pack buffer pairing device according to the present invention.

[0025] Figure 5 This is a perspective view of the card holder in the loading mechanism of a battery pack buffer pairing device according to the present invention.

[0026] Figure 6 This is a perspective view of a battery pack buffer pairing device of the present invention without a transfer mechanism.

[0027] Figure 7 This is a perspective view of the transfer mechanism of a battery pack buffer pairing device according to the present invention. Detailed Implementation

[0028] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. The drawings illustrate preferred embodiments of this utility model. However, this utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of the disclosure of this utility model.

[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

[0030] Reference Figure 1 and Figure 2 As shown, a battery pack buffer pairing device of this utility model includes a loading slide plate 1, at least two loading mechanisms 2, a pairing positioning platform 3, a lateral movement drive assembly 4, and a transfer mechanism 5. The loading slide plate 1 is laterally slidably mounted on the pairing positioning platform 3. The at least two loading mechanisms 2 are respectively slidably mounted on the loading slide plate 1 and are used to store battery packs. The transfer mechanism 5 is located above the pairing positioning platform 3 and is used to place battery packs onto the loading mechanisms 2 or remove qualified battery packs from the loading mechanisms 2. The lateral movement drive assembly 4 is connected to the loading slide plate 1 and is used to drive the loading slide plate 1 to move laterally on the pairing positioning platform 3. The loading slide plate 1 drives the at least two loading mechanisms 2 to move laterally and respectively dock with the transfer mechanism 5 longitudinally.

[0031] Reference Figure 2 As shown, the pairing positioning platform 3 includes a pairing platform 31 and at least two linear guide rails 32, which are parallel to each other and are horizontally mounted on the pairing platform 31.

[0032] Reference Figure 1 and Figure 2 As shown, the bottom of the pairing platform 31 is equipped with a first lifting device 6 and a second lifting device 7. The first lifting device 6 and the second lifting device 7 are respectively connected to the material loading mechanism 2 above. The first lifting device 6 and the second lifting device 7 are respectively used to raise the material loading mechanism 2 above to receive the battery pack 8 from the transfer mechanism 5.

[0033] In this embodiment, both the first lifting device 6 and the second lifting device 7 are preferably cylinders.

[0034] Reference Figure 3 and Figure 5 As shown, the material loading mechanism 2 includes at least two parallel linear guide rods 21, a material loading plate 22, at least two lateral limiting components 23, at least two material loading positioning components 24, and a card holder 25. The at least two linear guide rods 21 are slidably mounted on the material loading slide plate 1. The material loading plate 22 is connected to the top of the at least two linear guide rods 21. The at least two lateral limiting components 23 and the at least two material loading positioning components 24 are alternately mounted on the top of the material loading plate 22. The material loading positioning components 24 are used to support the battery pack, the lateral limiting components 23 provide lateral support and limit the battery pack, and the card holder 25 is mounted on the bottom of the material loading plate 22.

[0035] By adopting the above technical solution, the material carrier plate 22 can move up and down on the material carrier slide plate 1 through at least two parallel linear guide rods 21, thereby driving at least two lateral limiting components 23 and at least two material carrier positioning components 24 to move up and down together. After the at least two lateral limiting components 23 and at least two material carrier positioning components 24 are raised, they are longitudinally docked with the transfer mechanism 5 and receive the battery packs transferred by the transfer mechanism 5. This avoids collisions between the transfer mechanism 5 and the adjacent material carrier 2 when the transfer mechanism 5 lowers and releases the battery packs, which would damage the material carrier 2 and the battery packs on it. This greatly reduces the damage rate when classifying battery packs and realizes fully automated and orderly classification and recycling of battery packs. This solves the problem that the current method of using a robot to collect battery packs in a vertical swing manner is prone to damage to the two adjacent storage fixtures and the battery packs on them, resulting in chaotic battery pack classification and recycling status and high damage rate when classifying battery packs.

[0036] Reference Figure 4As shown, the material positioning assembly 24 includes a support block 241 and two connecting plates 242. The lower ends of the two connecting plates 242 are respectively connected and installed to the two sides of the material carrier substrate 22. The support block 241 is movably installed between the two connecting plates 242 and is located above the material carrier substrate 22. The connecting plates 242 are provided with positioning grooves 243. The two sides of the support block 241 opposite to the two connecting plates 242 are provided with support block positioning screw holes 244. The top of the support block 241 is recessed with a material support groove 245 for supporting the battery pack.

[0037] Reference Figure 4 As shown, the lateral limiting component 23 includes two blocks 231 and two block bases 232. The two block bases 232 are arranged opposite to each other and are respectively installed on the two sides of the material carrier plate 22. The two blocks 231 are respectively fixedly installed on the two block bases 232. Each block base 232 has a base positioning groove 233 at both ends. The top of the two blocks 231 has guide slopes 234 on opposite inner sides.

[0038] By adopting the above technical solution, the position between the two stop block bases 232 is adjusted, thereby adjusting the distance between the two stop blocks 231. After the screw passes through the base positioning groove 233, it is screwed to the material carrier plate 22 to lock the stop block base 232 on the material carrier plate 22. This allows the two stop blocks 231 to be suitable for lateral support and limiting of battery packs of different thicknesses, with strong versatility. The height of the support block 241 relative to the material carrier plate 22 is adjusted. The screw passes through the positioning groove 243 and is screwed to the support block positioning screw hole 244 to fix the height of the support block 241. This allows the support block 241 to support battery packs of different length and width specifications, avoiding collision between the transfer mechanism 5 and the stop block 231, which would cause the battery pack to not be inserted into the material support groove 245 of the support block 241.

[0039] Reference Figure 5 As shown, the bottom of the card holder 25 is provided with a card groove 251. The longitudinal section of the card groove 251 is flat and round. The card groove 251 extends through both sides of the card holder 25. The bottom surface of the card holder 25 is provided with a slot 252 that communicates with the card groove 251. The width of the slot 252 on the bottom surface of the card holder 25 is smaller than the width inside the card groove 251. On both sides of the slot 252, there are card fingers 253 that are integrally formed with the card holder 25.

[0040] Reference Figure 3 and Figure 5 As shown, both the first lifting device 6 and the second lifting device 7 are equipped with floating joints 61. The top of the floating joint 61 is provided with a locking platform 62, and an annular groove 63 is provided between the locking platform 62 and the floating joint 61.

[0041] By adopting the above technical solution, when the material loading mechanism 2 is in the lowest position, the material loading slide plate 1 drives the material loading mechanism 2 to move laterally. The lateral movement of the card seat 25 causes the card platform 62 of the floating joint 61 to be fitted into the card slot 251 of the card seat 25. The two card fingers 253 engage with the card platform 62 together, realizing that the first lifting device 6 and the second lifting device 7 respectively engage with the material loading mechanism 2 above. The first lifting device 6 and the second lifting device 7 respectively drive the material loading mechanism 2 above to move up and down on the material loading slide plate 1.

[0042] Reference Figure 2 As shown, the material loading slide plate 1 is provided with joint through holes 11 at positions corresponding to each material loading mechanism 2 for the floating joint 61 to pass through.

[0043] By adopting the above technical solution, the first lifting device 6 and the second lifting device 7 drive the floating joint 61 to rise and pass through the joint through hole 11 of the loading slide plate 1 and engage with the card seat 25 of the loading mechanism 2 above, thereby realizing the automatic engagement of the first lifting device 6 and the second lifting device 7 with the loading mechanism 2 above.

[0044] Reference Figure 6 As shown, the first lifting device 6 and the second lifting device 7 are respectively provided with first sensor mounting plates 64 on both sides, and each first sensor mounting plate 64 is equipped with a first through-beam sensor 65.

[0045] By adopting the above technical solution, the two first photoelectric sensors 65 detect whether the loading mechanism 2 between them is carrying a battery pack, avoiding the transfer mechanism 5 from repeatedly placing battery packs on the loading mechanism 2, and ensuring the accurate placement of the battery packs.

[0046] Reference Figure 6 As shown, a second sensor mounting plate 33 is installed on each end of the pairing plate 31, and a second through-beam sensor 34 is installed on each second sensor mounting plate 33.

[0047] By adopting the above technical solution, the two second photoelectric sensors 34 detect whether each material loading mechanism 2 has been lowered to the lowest position, thus avoiding the collision between each material loading mechanism 2 and the floating joint 61 on the first lifting device 6 or the second lifting device 7 when it deviates from the lowest position, thereby preventing damage to the floating joint 61. This improves production safety and extends the service life of the component (floating joint 61).

[0048] Reference Figure 1 and Figure 7As shown, the transfer mechanism 5 includes a lifting assembly 51, a clamping device mounting frame 52, a first clamping assembly 53, and a second clamping assembly 54. The clamping device mounting frame 52 is mounted on the output end of the lifting assembly 51. The first clamping assembly 53 and the second clamping assembly 54 are respectively mounted on both ends of the clamping device mounting frame 52. The first clamping assembly 53 and the second clamping assembly 54 are respectively used to clamp the battery pack. The lifting assembly 51 drives the clamping device mounting frame 52 to move up and down, thereby driving the first clamping assembly 53 and the second clamping assembly 54 to move up and down.

[0049] In this embodiment, the lifting component 51 is a commonly used component in mechanical design. It mainly includes a servo motor and a linear module. The servo motor and the linear module are connected by transmission. The specific structure of the linear module is common knowledge and will not be explained in detail here.

[0050] Reference Figure 7 As shown, the first clamping assembly 53 includes a clamp opening and closing drive device 531 mounted on one end of the clamping device mounting bracket 52. Clamps 532 are respectively mounted on the two output ends of the clamp opening and closing drive device 531. The clamp opening and closing drive device 531 drives the two clamps 532 to open and close to clamp or release the battery pack. The structure of the second clamping assembly 54 is the same as that of the first clamping assembly 53.

[0051] In this embodiment, the clamp opening and closing drive device 531 is preferably a finger-clamping cylinder.

[0052] By adopting the above technical solution, the clamping device mounting bracket 52 is installed on the output end of the linear module of the lifting assembly 51. The first clamping assembly 53 and the second clamping assembly 54 respectively clamp defective battery packs. The transverse drive assembly 4 drives the material loading slide 1 and each material loading mechanism 2 on it to move laterally. The first clamping assembly 53 corresponds to the first lifting device 6 located below it, and the second clamping assembly 54 corresponds to the second lifting device 7 located below it. When the transverse drive assembly 4 moves the material loading slide 1 to move the empty material loading mechanism 2 below the first clamping assembly 53, the first lifting device 6 engages with the material loading mechanism 2 above it and lifts the material loading mechanism 2 above it and the first lifting device 54. A clamping component 53 is engaged, and the first clamping component 53 places the defective battery pack onto the loading mechanism 2 below it. The first lifting device 6 lowers the loading mechanism 2 above it to the lowest position. When the lateral drive component 4 drives the loading slide plate 1 to move the empty loading mechanism 2 to below the second clamping component 54, the second lifting device 7 engages with the loading mechanism 2 above it and lifts the loading mechanism 2 above it to engage with the second clamping component 54. The second clamping component 54 places the defective battery pack onto the loading mechanism 2 below it. The second lifting device 7 lowers the loading mechanism 2 above it to the lowest position. This cycle continues until all loading mechanisms 2 are full of defective battery packs for unloading and recycling.

[0053] When a good battery pack is held in the first clamping component 53 or the second clamping component 54, the first clamping component 53 or the second clamping component 54 places the good battery pack on one of the loading mechanisms 2. When a good battery pack is held in the first clamping component 53 or the second clamping component 54 in a subsequent cycle, the first clamping component 53 or the second clamping component 54 places the good battery pack on another empty loading mechanism 2. When the first clamping component 53 or the second clamping component 54 picks up the previous good battery pack, the transfer mechanism 5 can take away the current good battery pack and the previous good battery pack together for good product classification and recycling. This realizes intelligent and orderly classification and recycling of good battery packs, and has the advantages of high classification efficiency, high classification accuracy and low classification cost, avoiding the chaotic state of battery classification and recycling.

[0054] In this embodiment, refer to Figure 1 and Figure 6 As shown, the lateral movement drive assembly 4 mainly includes a servo motor 41, a coupling 42, a ball screw 43, and a connecting seat 44. The output shaft of the servo motor 41 is connected to the ball screw 43 via the coupling 42. The connecting seat 44 is connected to the ball bearing 45 of the ball screw 43. The ball bearing 45 of the ball screw 43 is connected to the material carrier slide plate 1 via the connecting seat 44. The servo motor 41 drives the ball screw 43 to rotate via the coupling 42. The ball screw 43 drives the connecting seat 44 to move laterally via the ball bearing 45. The connecting seat 44 drives the material carrier slide plate 1 to move laterally. In another embodiment, the lateral movement drive device can also be configured as a cylinder. The cylinder is mounted on the mating plate 31 and connected to the material carrier slide plate 1. The cylinder drives the material carrier slide plate 1 to move laterally.

[0055] When the battery pack buffer pairing device is working, the lateral drive component 4 drives the material loading slide plate 1 to drive the material loading mechanism 2 to move back and forth in a straight line, so that each material loading mechanism 2 moves to directly below the transfer mechanism 5. The first lifting device 6 and the second lifting device 7 drive the corresponding material loading mechanism 2 to lift, so that each material loading mechanism 2 is precisely docked with the transfer mechanism 5 to load the battery packs transferred by the transfer mechanism 5 for classification and recycling. This cycle is repeated, which realizes the intelligent and orderly classification and recycling of good or bad battery packs.

[0056] The above embodiments are merely examples of this utility model and are not intended to limit the implementation and scope of this utility model. All technical solutions that are the same as or equivalent to the contents described in the claims of this utility model should be included within the protection scope of this utility model.

Claims

1. A battery pack buffer pairing device, characterized in that: The device includes a material-carrying slide plate, at least two material-carrying mechanisms, a pairing and positioning platform, a lateral movement drive assembly, and a transfer mechanism. The material-carrying slide plate is laterally slidably mounted on the pairing and positioning platform. The at least two material-carrying mechanisms are respectively lifted and slidably mounted on the material-carrying slide plate and are used to store battery packs. The transfer mechanism is located above the pairing and positioning platform and is used to place battery packs onto the material-carrying mechanisms or remove qualified battery packs from the material-carrying mechanisms. The lateral movement drive assembly is driven by the material-carrying slide plate and is used to drive the material-carrying slide plate to move laterally on the pairing and positioning platform. The material-carrying slide plate drives the at least two material-carrying mechanisms to move laterally and respectively dock with the transfer mechanism longitudinally. The pairing positioning platform includes a pairing plate and at least two linear guide rails, the at least two linear guide rails being parallel to each other and the at least two linear guide rails being horizontally mounted on the pairing plate. The bottom of the pairing platform is equipped with a first lifting device and a second lifting device. The first lifting device and the second lifting device are respectively connected to the material loading mechanism above. The first lifting device and the second lifting device are respectively used to raise the material loading mechanism above to receive the battery pack from the transfer mechanism.

2. The battery pack buffer pairing device according to claim 1, characterized in that: The material loading mechanism includes at least two parallel linear guide rods, a material loading base plate, at least two lateral limiting components, at least two material loading positioning components, and a card holder. The at least two linear guide rods are slidably mounted on the material loading slide plate. The material loading base plate is connected and installed to the top of the at least two linear guide rods. The at least two lateral limiting components and the at least two material loading positioning components are alternately mounted on the top of the material loading base plate. The material loading positioning components are used to support the battery pack, the lateral limiting components provide lateral support and limit the battery pack, and the card holder is mounted on the bottom of the material loading base plate. The material positioning assembly includes a support block and two connecting plates. The lower ends of the two connecting plates are respectively connected and installed to the two sides of the material base plate. The support block is movably installed between the two connecting plates and is located above the material base plate. The connecting plates are provided with positioning grooves. The two sides of the support block opposite to the two connecting plates are provided with support block positioning screw holes. The top of the support block is recessed with a material support groove for supporting the battery pack. The lateral limiting component includes two blocks and two block bases. The two block bases are arranged opposite each other and are respectively installed on the two sides of the material carrier plate. The two blocks are respectively fixedly installed on the two block bases. Each block base has a base positioning groove at both ends. The top of the two blocks has guide slopes on opposite inner sides.

3. The battery pack buffer pairing device according to claim 2, characterized in that: The bottom of the card holder is provided with a card slot, the longitudinal section of the card slot is flat and round, the card slot runs through both sides of the card holder, the width of the slot opening on the bottom surface of the card holder is smaller than the width inside the card slot, and the card fingers are integrally formed with the card holder on both sides of the slot opening. Both the first and second lifting devices are equipped with floating joints at their output ends, and the top of the floating joints is equipped with a locking platform.

4. A battery pack buffer pairing device according to claim 3, characterized in that: The material loading slide plate is provided with joint through holes at positions corresponding to each material loading mechanism, allowing the floating joints to pass through.

5. A battery pack buffer pairing device according to claim 1, characterized in that: The first lifting device and the second lifting device are respectively provided with first sensor mounting plates on both sides, and each first sensor mounting plate is equipped with a first through-beam sensor.

6. A battery pack buffer pairing device according to claim 1, characterized in that: The two ends of the pairing platform are respectively equipped with second sensor mounting plates, and each second sensor mounting plate is equipped with a second through-beam sensor.

7. A battery pack buffer pairing device according to claim 1, characterized in that: The transfer mechanism includes a lifting assembly, a clamping device mounting frame, a first clamping assembly, and a second clamping assembly. The clamping device mounting frame is mounted on the output end of the lifting assembly, and the first clamping assembly and the second clamping assembly are respectively mounted on both ends of the clamping device mounting frame. The first clamping assembly and the second clamping assembly are used to clamp the battery pack. The lifting assembly drives the clamping device mounting frame to move up and down, thereby driving the first clamping assembly and the second clamping assembly to move up and down. The first clamping assembly includes a clamp opening and closing drive device mounted on one end of the clamping device mounting frame. Clamps are respectively mounted on the two output ends of the clamp opening and closing drive device. The clamp opening and closing drive device drives the two clamps to open and close to clamp or release the battery pack.

8. A battery pack buffer pairing device according to claim 7, characterized in that: The structure of the second clamping component is the same as that of the first clamping component.

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