A disassembly device for second-life power batteries

By using a combination of a fixing base and a splitting assembly, and using a grinder and a prying piece to separate the body and cover of the power battery box, the separation problem caused by sealant and waterproof glue is solved, and efficient and automated disassembly is achieved.

CN115990606BActive Publication Date: 2025-09-30TIANJIN POWER BATTERY RECYCLING TECH CO LTD +3

Patent Information

Application Number
CN202211623608.0
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-12-16
Publication Date
2025-09-30
Estimated Expiration
2042-12-16

AI Technical Summary

Technical Problem

In addition to screws, the battery box body and the box cover of the power battery are also connected with sealant and waterproof glue, making separation difficult.

Method used

A fixed seat and a splitting component are used, including a bracket, a grinder and a prying piece. The grinder is used to form an opening at the gap, and the prying piece separates the box body and the box cover. Combined with the driving piece and the material moving component, automatic disassembly is realized.

Benefits of technology

The system realizes efficient and automated disassembly of the power battery box, simplifies the separation process of the box body and the box cover, and improves the disassembly efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention relates to a disassembly device for a second-use power battery, which is used for disassembling a body and a cover of a battery box of the power battery, comprising a fixing seat and at least one disassembly component; the fixing seat is provided with a clamping station; the at least one disassembly component comprises a bracket, a grinder and a prying piece, the grinder is installed on one side of the bracket, and the prying piece is rotatably connected to the other side of the bracket, the bracket is rotatably connected to the fixing seat, when the bracket is rotated to a first position, the abrasive end of the grinder overlaps with the gap between the box body and the cover, so as to form an opening in the gap between the box body and the cover, when the bracket is rotated to a second position, the prying end of the prying piece is located in the opening, and the box body and the cover are separated by the rotation of the prying piece; the problem that the body and the cover of the battery box of the power battery are connected by screws but are also provided with sealant and waterproof glue, there is only a small gap between the box body and the cover, and separation between the box body and the cover is difficult is solved.
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Description

Technical Field

[0001] The present invention relates to the technical field of power batteries, and in particular to a disassembly device for second-life power batteries. Background Art

[0002] The performance of power batteries in new energy vehicles will decline year by year. When the full charge capacity decreases to 70%-80%, it will no longer be suitable for vehicle use. Through cascade utilization, more waste heat of the battery can be tapped, so that each battery can be fully utilized.

[0003] During the recycling process, the battery box of the power battery needs to be opened to facilitate the removal of the battery pack and facilitate the subsequent recycling process.

[0004] However, in addition to being connected by screws, the battery box body and the box cover of the power battery are also provided with sealant and waterproof glue. There is only a small gap between the box body and the box cover, and the separation work between the box body and the box cover is not easy. Summary of the Invention

[0005] In view of this, it is necessary to provide a disassembly device for recycled power batteries to solve the problem that in addition to being connected by screws, the body and the cover of the battery box of the power battery are also provided with sealant and waterproof glue, and there is only a small gap between the body and the cover, making it difficult to separate the body and the cover.

[0006] The present invention provides a disassembly device for cascade utilization power batteries, which is used for disassembling the box body and the box cover of the power battery box, including a fixing seat and at least one disassembly component; the fixing seat is provided with a clamping station for cooperating and connecting with the bottom of the box body; at least one of the disassembly components includes a bracket, a grinder and a prying piece, the grinder is installed on one side of the bracket, and the prying piece is rotatably connected to the other side of the bracket, the bracket is rotatably connected to the fixing seat, and can be rotated to a first position and a second position, when the bracket is rotated to the first position, the abrasive end of the grinder overlaps with the gap between the box body and the box cover, so as to form an opening in the gap between the box body and the box cover, when the bracket is rotated to the second position, the prying end of the prying piece is located in the opening, and the box body and the box cover are separated by the rotation of the prying piece.

[0007] Furthermore, the prying member includes a fixed shaft and a prying block, the fixed shaft is arranged perpendicular to the side wall facing the battery box, one end of the fixed shaft is rotatably connected to the bracket, and the other end of the fixed shaft is fixedly connected to the prying block, the thickness of the prying block is smaller than the width of the prying block and the thickness of the abrasive end of the grinder, and the width of the prying block is greater than the thickness of the abrasive end of the grinder.

[0008] Furthermore, the prying member also includes a rotating motor, a first gear and a second gear. The rotating motor is fixed on the bracket, the output end of the rotating motor is connected to the first gear, the second gear is connected to the fixed shaft, and the first gear and the second gear are meshed and connected.

[0009] Furthermore, the number of the split components is four, and the four split components are evenly arranged along the circumference of the clamping station, and the four split components correspond to the four sides of the battery box respectively.

[0010] Furthermore, the four brackets are all rotatably connected to the fixing seat via a rotating shaft, and the split assembly also includes a driving member, the output end of the driving member is connected to the four rotating shafts to drive the four rotating shafts to rotate synchronously.

[0011] Furthermore, the driving member includes four transmission gears, a transmission belt and a driving motor, the four transmission gears are respectively sleeved on the four rotating shafts, the transmission belt is meshed with the four transmission gears, the driving motor is mounted on the fixing base, and the output end of the driving motor is meshed with the transmission belt via a driving gear;

[0012] The driving member further includes four guide gears, each of which is rotatably connected to the fixing base via four guide shafts. The four guide gears are respectively arranged between two of the four transmission gears. The four guide gears are all meshed with the transmission belt to support the transmission belt into a frame-shaped structure.

[0013] There are two fixing seats, which are arranged in parallel along the vertical direction. The two fixing seats are fixedly connected via a plurality of connecting columns, and a plurality of split components are arranged between the two fixing seats.

[0014] Furthermore, the invention further comprises a material moving assembly, the material moving assembly comprising a movable seat and an adsorption member, the movable seat being movable relative to the fixed seat, the adsorption member being mounted on the bottom of the movable seat, the adsorption end of the adsorption member being movable along with the movable seat to be attached to the top of the box cover, so as to move the disassembled box cover;

[0015] The adsorption component includes a suction cup, a vacuum pump and a hose. The suction cup is arranged at the bottom of the movable base. The vacuum pump is installed on the movable base. The vacuum pump is connected to the inside of the suction cup via the hose.

[0016] Furthermore, the material moving assembly further comprises a sliding member, and the suction cup is slidably connected to the moving seat in a vertical direction via the sliding member;

[0017] The sliding member includes a sliding cylinder and a sliding rod, the sliding cylinder is fixedly connected to the moving base, the output end of the sliding cylinder is connected to the sliding rod, the sliding rod is slidably connected to the sliding groove provided on the moving base, and the bottom end of the sliding rod is fixedly connected to the suction cup;

[0018] The material moving assembly also includes a connecting seat, a swing arm and a swing motor. The connecting seat is fixed relative to the fixed seat. The swing motor is fixed on the connecting seat. One end of the swing arm is connected to the output end of the swing motor, and the other end of the swing arm is connected to the moving seat to drive the moving seat to move in the horizontal direction.

[0019] Furthermore, it also includes a first conveying roller for conveying the split box body and a second conveying roller for conveying the split box cover. The first conveying roller is arranged at the bottom of the fixed seat, and a splitting channel located above the first conveying roller is formed inside the fixed seat.

[0020] Furthermore, the first conveying roller is provided with a lifting member below the splitting channel, and the output end of the lifting member is used to move the battery box below the splitting channel to the clamping station, or to move the split box onto the first conveying roller;

[0021] The lifting part includes two lifting cylinders and two L-shaped plates arranged opposite to each other. The two lifting cylinders are arranged in sequence along the conveying direction of the first conveying roller. The output ends of the two lifting cylinders are respectively connected to the two L-shaped plates. The clamping station for clamping the box body is formed between the two L-shaped plates.

[0022] Compared with the prior art, the battery box with the box body and box cover to be separated is first placed on the clamping station of the fixed seat, and the bracket is rotated to the first position. At this time, the abrasive end of the grinder overlaps with the gap between the box body and the box cover. When the bracket approaches the first position, the abrasive end of the grinder contacts the gap between the box body and the box cover, and as the bracket is completely moved to the first position, the gap between the box body and the box cover is ground into an opening by the abrasive end of the grinder. At this time, the bracket can be controlled to rotate to the second position, and the prying end of the prying member is located in the opening. By rotating the prying member, the prying member applies opposite forces to the box body and the box cover, thereby realizing the function of separating the box body and the box cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A schematic diagram of the overall structure of a disassembly device for a second-life power battery provided by an embodiment of the present invention;

[0024] Figure 2 In the disassembly device for the second-use power battery provided by the embodiment of the present invention Figure 1 A magnified schematic diagram of the middle part A;

[0025] Figure 3 In the disassembly device for the second-use power battery provided by the embodiment of the present invention Figure 1 Middle AA plane section view;

[0026] Figure 4 In the disassembly device for the second-use power battery provided by the embodiment of the present invention Figure 3 A magnified schematic diagram of part B in the middle;

[0027] Figure 5 A schematic structural diagram of a driving component in a disassembly device for a second-life power battery provided by an embodiment of the present invention;

[0028] Figure 6 A schematic structural diagram of a material transfer assembly in a disassembly device for recycled power batteries provided in an embodiment of the present invention. DETAILED DESCRIPTION

[0029] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of this application and are used together with the embodiments of the present invention to illustrate the principles of the present invention, and are not used to limit the scope of the present invention.

[0030] like Figure 1-3 As shown, the present invention provides a disassembly device for a second-use power battery, which is used to disassemble the box body 110 and the box cover 120 of the battery box 100 of the power battery, including a fixing seat 200 and at least one disassembly component 300; the fixing seat 200 has a clamping station for cooperating with the bottom of the box body 110; at least one disassembly component 300 includes a bracket 310, a grinder 320 and a prying member 330, and the grinder 320 is installed on one side of the bracket 310, and the other side of the bracket 310 is rotated. A prying member 330 is connected, and the bracket 310 is rotatably connected to the fixing base 200 and can be rotated to a first position and a second position. When the bracket 310 is rotated to the first position, the abrasive end of the grinder 320 overlaps with the gap between the box body 110 and the box cover 120 to form an opening in the gap between the box body 110 and the box cover 120. When the bracket 310 is rotated to the second position, the prying end of the prying member 330 is located in the opening, and the box body 110 and the box cover 120 are separated by the rotation of the prying member 330.

[0031] During implementation, the battery box 100 with the box body 110 and the box cover 120 to be separated is first placed on the clamping position of the fixing seat 200, and the bracket 310 is rotated to the first position. At this time, the abrasive end of the grinder 320 overlaps with the gap between the box body 110 and the box cover 120. When the bracket 310 approaches the first position, the abrasive end of the grinder 320 contacts the gap between the box body 110 and the box cover 120, and as the bracket 310 is completely moved to the first position, the gap between the box body 110 and the box cover 120 is ground into an opening by the abrasive end of the grinder 320. At this time, when the bracket 310 can be controlled to rotate to the second position, the prying end of the prying member 330 is located in the opening. By rotating the prying member 330, the prying member 330 applies opposite forces to the box body 110 and the box cover 120, thereby realizing the function of separating the box body 110 and the box cover 120.

[0032] The fixing seat 200 in this embodiment provides support for the operation of the split assembly 300 .

[0033] The split assembly 300 in this embodiment is used to split the battery box 100 from which the screws have been removed. Specifically, at least one split assembly 300 includes a bracket 310, a grinder 320 and a prying member 330. The grinder 320 is installed on one side of the bracket 310, and the prying member 330 is rotatably connected to the other side of the bracket 310. The bracket 310 is rotatably connected to the fixed base 200 and can be rotated to a first position and a second position. When the bracket 310 is rotated to the first position, the abrasive end of the grinder 320 overlaps with the gap between the case 110 and the case cover 120 to form an opening in the gap between the case 110 and the case cover 120. When the bracket 310 is rotated to the second position, the prying end of the prying member 330 is located in the opening, and the rotation of the prying member 330 is used to separate the case 110 and the case cover 120.

[0034] like Figure 4 As shown, in one embodiment, the prying member 330 includes a fixed shaft 331 and a prying block 332. The fixed shaft 331 is arranged along a side wall perpendicular to the battery box 100. One end of the fixed shaft 331 is rotatably connected to the bracket 310, and the other end of the fixed shaft 331 is fixedly connected to the prying block 332. The thickness of the prying block 332 is less than the width of the prying block 332 and the thickness of the abrasive end of the grinder 320, and the width of the prying block 332 is greater than the thickness of the abrasive end of the grinder 320.

[0035] In order to facilitate driving the prying block 332 to rotate, in one embodiment, the prying member 330 also includes a rotating motor 333, a first gear 334 and a second gear 335. The rotating motor 333 is fixed on the bracket 310, and the output end of the rotating motor 333 is connected to the first gear 334, the second gear 335 is connected to the fixed shaft 331, and the first gear 334 and the second gear 335 are meshed and connected.

[0036] In order to improve the splitting efficiency, in one embodiment, the number of the splitting components 300 is four, and the four splitting components 300 are evenly arranged along the circumference of the clamping station. The four splitting components 300 correspond to the four sides of the battery box 100 respectively.

[0037] like Figure 5 As shown, in order to facilitate driving the four brackets 310 to rotate synchronously, in one embodiment, the four brackets 310 are all rotatably connected to the fixed base 200 via a rotating shaft 311. The split assembly 300 also includes a driving member 340. The output end of the driving member 340 is connected to the four rotating shafts 311 to drive the four rotating shafts 311 to rotate synchronously. The driving member 340 includes four transmission gears 341, a transmission belt 342, and a driving motor 343. The four transmission gears 341 are respectively mounted on the four rotating shafts 311. The transmission belt 342 is meshed with the four transmission gears 341. The driving motor 343 is mounted on the fixed base 200. The output end of the driving motor 343 is meshed with the transmission belt 342 via a driving gear.

[0038] To prevent interference between the transmission belt 342 and the battery box 100, in one embodiment, the driving member 340 further includes four guide gears 344, which are rotatably connected to the fixed base 200 via four guide shafts. The four guide gears 344 are respectively disposed between two of the four transmission gears 341. The four guide gears 344 are meshed with the transmission belt 342 to support the transmission belt 342 into a frame-shaped structure. There are two fixed bases 200, which are arranged vertically parallel to each other. The two fixed bases 200 are fixedly connected via a plurality of connecting columns 220, and the plurality of split assemblies 300 are disposed between the two fixed bases 200.

[0039] like Figure 6 As shown, in order to facilitate the removal of the split box cover 120, the present embodiment also includes a material moving component 400, which includes a movable seat 410 and an adsorption component 420. The movable seat 410 can move relative to the fixed seat 200, and the adsorption component 420 is installed at the bottom of the movable seat 410. The adsorption end of the adsorption component 420 can move with the movable seat 410 to the top of the box cover 120, so as to move the split box cover 120.

[0040] In one embodiment, the adsorption component 420 includes a suction cup 421, a vacuum pump 422 and a hose 423. The suction cup 421 is arranged at the bottom of the movable base 410, the vacuum pump 422 is installed on the movable base 410, and the vacuum pump 422 is connected to the inside of the suction cup 421 via the hose 423.

[0041] In one embodiment, the material transfer assembly 400 further includes a sliding member 430, through which the suction cup 421 is vertically slidably connected to the movable base 410. This allows the box cover 120 to move vertically. The sliding member 430 includes a sliding cylinder and a sliding rod 440. The sliding cylinder is fixedly connected to the movable base 410. The output end of the sliding cylinder is connected to the sliding rod 440. The sliding rod 440 is slidably connected to a slot defined in the movable base 410. The bottom end of the sliding rod 440 is fixedly connected to the suction cup 421.

[0042] In one embodiment, the material moving assembly 400 further includes a connecting base 450, a swing arm 460, and a swing motor 470. The connecting base 450 is fixed relative to the fixed base 200, the swing motor 470 is fixed to the connecting base 450, one end of the swing arm 460 is connected to the output end of the swing motor 470, and the other end of the swing arm 460 is connected to the movable base 410 to drive the movable base 410 to move in the horizontal direction, thereby driving the box cover 120 to move in the horizontal plane.

[0043] In order to collect the split box body 110 and box cover 120, this embodiment also includes a first conveying roller 500 for conveying the split box body 110 and a second conveying roller 600 for conveying the split box cover 120. The first conveying roller 500 is arranged at the bottom of the fixed seat 200, and a splitting channel 210 is formed inside the fixed seat 200 and located above the first conveying roller 500.

[0044] To facilitate automatic feeding, in one embodiment, a lifting member 510 is installed on the first conveyor roller 500 below the splitting channel 210. The output end of the lifting member 510 is used to move the battery box 100 below the splitting channel 210 to the clamping station, or to move the split box body 110 onto the first conveyor roller 500. The lifting member 510 includes two lifting cylinders and two L-shaped plates 520 arranged opposite each other. The two lifting cylinders are arranged in sequence along the conveying direction of the first conveyor roller 500. The output ends of the two lifting cylinders are respectively connected to the two L-shaped plates 520. The clamping station for clamping the box body 110 is formed between the two L-shaped plates 520.

[0045] Compared with the prior art: first, the battery box 100 with the box body 110 and the box cover 120 to be separated is placed on the clamping position of the fixing seat 200, and the bracket 310 is rotated to the first position. At this time, the abrasive end of the grinder 320 overlaps with the gap between the box body 110 and the box cover 120. When the bracket 310 approaches the first position, the abrasive end of the grinder 320 contacts the gap between the box body 110 and the box cover 120, and as the bracket 310 is completely moved to the first position, the gap between the box body 110 and the box cover 120 is ground into an opening by the abrasive end of the grinder 320. At this time, when the bracket 310 can be controlled to rotate to the second position, the prying end of the prying member 330 is located in the opening. By rotating the prying member 330, the prying member 330 applies opposite forces to the box body 110 and the box cover 120, thereby realizing the function of separating the box body 110 and the box cover 120.

[0046] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by any technician familiar with this technical field within the technical scope disclosed by the present invention should be covered by the scope of protection of the present invention.

Claims

1. A disassembly device for a second-life power battery, used to disassemble the body and cover of a power battery box, characterized in that: It includes a fixing base and at least one split component; The fixing seat has a clamping position for connecting with the bottom of the box body; At least one of the splitting components includes a bracket, a grinder, and a prying member, wherein the grinder is installed on one side of the bracket, and the prying member is rotatably connected to the other side of the bracket. The bracket is rotatably connected to the fixed seat and can be rotated to a first position and a second position. When the bracket is rotated to the first position, the abrasive end of the grinder overlaps with the gap between the box body and the box cover to form an opening in the gap between the box body and the box cover. When the bracket is rotated to the second position, the prying end of the prying member is located in the opening, and the box body and the box cover are separated by the rotation of the prying member. There are four split assemblies, which are evenly arranged along the circumference of the clamping station, and the four split assemblies correspond to the four sides of the battery box respectively; The four brackets are all rotatably connected to the fixing base via a rotating shaft. The split assembly further includes a driving member, the output end of which is connected to the four rotating shafts to drive the four rotating shafts to rotate synchronously. The driving member includes four transmission gears, a transmission belt and a driving motor. The four transmission gears are respectively sleeved on the four rotating shafts. The transmission belt is meshed with the four transmission gears. The driving motor is installed on the fixing base. The output end of the driving motor is meshed with the transmission belt via a driving gear. The driving member further includes four guide gears, each of which is rotatably connected to the fixing base via four guide shafts. The four guide gears are respectively arranged between two of the four transmission gears. The four guide gears are all meshed with the transmission belt to support the transmission belt into a frame-shaped structure. There are two fixing seats, which are arranged in parallel along the vertical direction. The two fixing seats are fixedly connected via a plurality of connecting columns, and a plurality of split components are arranged between the two fixing seats.

2. The disassembly device for second-life power batteries according to claim 1, characterized in that: The prying member includes a fixed shaft and a prying block. The fixed shaft is arranged perpendicular to the side wall facing the battery box. One end of the fixed shaft is rotatably connected to the bracket, and the other end of the fixed shaft is fixedly connected to the prying block. The thickness of the prying block is smaller than the width of the prying block and the thickness of the abrasive end of the grinder, and the width of the prying block is greater than the thickness of the abrasive end of the grinder.

3. The disassembly device for second-life power batteries according to claim 2, characterized in that: The prying member also includes a rotating motor, a first gear and a second gear. The rotating motor is fixed on the bracket. The output end of the rotating motor is connected to the first gear. The second gear is connected to the fixed shaft. The first gear and the second gear are meshed and connected.

4. The disassembly device for second-life power batteries according to claim 1, characterized in that: The utility model further comprises a material moving assembly, the material moving assembly comprising a movable base and an adsorption member, the movable base being movable relative to the fixed base, the adsorption member being installed at the bottom of the movable base, the adsorption end of the adsorption member being movable along with the movable base to be attached to the top of the box cover, so as to move the disassembled box cover; The adsorption component includes a suction cup, a vacuum pump and a hose. The suction cup is arranged at the bottom of the movable base. The vacuum pump is installed on the movable base. The vacuum pump is connected to the inside of the suction cup via the hose.

5. The disassembly device for second-life power batteries according to claim 4, characterized in that: The material moving assembly further comprises a sliding member, and the suction cup is slidably connected to the moving base along the vertical direction via the sliding member; The sliding member includes a sliding cylinder and a sliding rod, the sliding cylinder is fixedly connected to the moving base, the output end of the sliding cylinder is connected to the sliding rod, the sliding rod is slidably connected to the sliding groove provided on the moving base, and the bottom end of the sliding rod is fixedly connected to the suction cup; The material moving assembly also includes a connecting seat, a swing arm and a swing motor. The connecting seat is fixed relative to the fixed seat. The swing motor is fixed on the connecting seat. One end of the swing arm is connected to the output end of the swing motor, and the other end of the swing arm is connected to the moving seat to drive the moving seat to move in the horizontal direction.

6. The disassembly device for second-life power batteries according to claim 1, characterized in that: It also includes a first conveying roller for conveying the split box body and a second conveying roller for conveying the split box cover. The first conveying roller is arranged at the bottom of the fixed seat, and a splitting channel located above the first conveying roller is formed inside the fixed seat.

7. The disassembly device for second-life power batteries according to claim 6, characterized in that: The first conveying roller is located below the splitting channel and is equipped with a lifting member. The output end of the lifting member is used to move the battery box below the splitting channel to the clamping station, or to move the split box onto the first conveying roller. The lifting part includes two lifting cylinders and two L-shaped plates arranged opposite to each other. The two lifting cylinders are arranged in sequence along the conveying direction of the first conveying roller. The output ends of the two lifting cylinders are respectively connected to the two L-shaped plates. The clamping station for clamping the box body is formed between the two L-shaped plates.

Citation Information

Patent Citations

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    US20170244114A1

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