Edge cutting device for lithium battery production

Abstract

The utility model discloses an edge cutting device for lithium battery production, and relates to the technical field of edge cutting devices. The edge cutting device for lithium battery production comprises a fixed bottom plate and a top plate, the fixed bottom plate and the top plate are arranged in an up-down corresponding mode, two rectangular grooves are formed in the upper surface of the top plate, two cutting knives are arranged, and the two cutting knives can cut aluminum plastic films on the two sides at a time, so that the cutting efficiency is improved; a second servo motor drives a connecting shaft to rotate, and the connecting shaft drives a lower fixing plate and an upper fixing plate to rotate integrally, so that other surfaces of the lithium vanadium phosphate battery face two cutting knives, the effect of automatically adjusting the lithium vanadium phosphate battery is achieved, the lithium vanadium phosphate battery does not need to be disassembled for surface adjustment, the labor intensity of workers is reduced, and the working efficiency is improved. Through cooperation of the two devices, cutting of the whole outer package of the lithium vanadium phosphate battery can be rapidly completed, and the cutting efficiency of the edge cutting device for lithium battery production is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of edge trimming devices, in particular to an edge trimming device for lithium battery production. Background Art

[0002] A trimming device for producing lithium vanadium phosphate batteries with publication number CN220640524U. The utility model discloses a trimming device for producing lithium vanadium phosphate batteries. Both sides of the top of the fixing seat are connected with fixing frames by bolts, and the top of the fixing frame is provided with threaded holes, the inner walls of the two threaded holes are threadedly connected with fastening bolts, and the two fixing frames are symmetrically distributed on both sides of the trimming table. A moving mechanism is provided on one side of the top of the fixing seat, and a supporting frame is provided on the top of the moving mechanism. A through opening is provided on one side of the top of the supporting frame, and the inner wall of the through opening is connected with a hydraulic rod by bolts. The utility model can perform preliminary cutting processing on the top of the outer packaging of the lithium vanadium phosphate battery, so that the cutting part of the outer packaging of the lithium vanadium phosphate battery and the outer packaging are broken, so as to prevent the outer packaging of the lithium vanadium phosphate battery from being subjected to tension during cutting, so that the surface of the outer packaging of the lithium vanadium phosphate battery is unevenly broken.

[0003] However, the above-mentioned trimming device for lithium vanadium phosphate battery production can only cut one side at a time, and when cutting the aluminum-plastic film on the other side of the lithium vanadium phosphate battery, the lithium vanadium phosphate battery needs to be disassembled and reinstalled. One lithium vanadium phosphate battery needs to be installed and disassembled four times, and this reciprocating process increases the labor intensity of the staff and reduces the cutting efficiency. Utility Model Content

[0004] The utility model aims to solve at least one of the technical problems existing in the prior art and to provide a trimming device for lithium battery production, which can solve the problem that only one side can be cut at a time, and when the aluminum-plastic film on the other side of the lithium vanadium phosphate battery is cut, the lithium vanadium phosphate battery needs to be disassembled and reinstalled. One lithium vanadium phosphate battery needs to be installed and disassembled four times, and this reciprocating process increases the labor intensity of the staff and reduces the cutting efficiency.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a trimming device for lithium battery production, comprising a fixed bottom plate and a top plate, the fixed bottom plate and the top plate are arranged correspondingly up and down, the upper surface of the top plate is provided with two rectangular grooves, the two rectangular grooves both penetrate the lower surface of the top plate, and a fixing device, the fixing device is arranged on the fixed bottom plate;

[0006] A cutting device, the cutting device is arranged on the top plate, and the cutting device comprises two first fixing plates, and the two first fixing plates are both fixedly connected to the upper surface of the top plate;

[0007] Wherein, the opposite surfaces of the two first fixing plates are rotatably connected with threaded rods, and the outer surface of the first fixing plate on the right side is fixedly connected with a support plate;

[0008] Wherein, a first servo motor is fixedly connected to the upper surface of the support plate, and an output end of the first servo motor is fixedly connected to the right end of the threaded rod.

[0009] Preferably, the cutting device further comprises a moving sleeve, the outer wall of the threaded rod is threadedly sleeved with the moving sleeve, the front and rear surfaces of the moving sleeve are fixedly connected with L-shaped rectangular plates, and the lower surfaces of the two L-shaped rectangular plates slide through the corresponding rectangular grooves respectively;

[0010] Wherein, the lower surfaces of the two L-shaped rectangular plates are fixedly connected with a first protection box, and the interiors of the two first protection boxes are fixedly connected with a motor;

[0011] The output ends of the two motors rotate and pass through the opposite surfaces of the two first protection boxes respectively, and the output ends of the two motors are fixedly connected with cutting knives.

[0012] Preferably, the fixing device comprises a concave plate, the concave plate is fixedly connected to the lower surface of the fixed bottom plate, and the concave portion of the concave plate is fixedly connected to the second servo motor;

[0013] The output end of the second servo motor is fixedly connected with a connecting shaft, the upper end of the connecting shaft rotates and passes through the upper surface of the fixed bottom plate, and the upper end of the connecting shaft is fixedly connected with the lower fixed plate.

[0014] Preferably, the fixing device further comprises a second protection box, the second protection box is rotatably connected to the lower surface of the top plate, and an electric hydraulic rod is fixedly connected inside the second protection box;

[0015] The telescopic end of the electric hydraulic rod slides through the lower surface of the second protective box, and the telescopic end of the electric hydraulic rod is fixedly connected to an upper fixed plate, and the upper fixed plate and the lower fixed plate are arranged in correspondence with each other;

[0016] Wherein, placement grooves are provided on the opposite surfaces of the upper fixing plate and the lower fixing plate, and the two placement grooves are used for fixing the vanadium phosphate lithium ion batteries.

[0017] Preferably, the front and rear surfaces of the top plate are fixedly connected with concave fixing plates, the two concave fixing plates are fixedly connected with the fixed bottom plate, and the lower surface of the fixed bottom plate is fixedly connected with four supporting legs.

[0018] Preferably, two waste collection boxes are fixedly connected to the lower surface of the fixed bottom plate, the two waste collection boxes are inclined, and a feed trough communicating with the two waste collection boxes is provided on the upper surface of the fixed bottom plate.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] The trimming device for lithium battery production is provided with two cutting knives, which can complete the cutting of the aluminum-plastic film on both sides at one time, thereby improving the cutting efficiency. By providing a second servo motor, the second servo motor drives the connecting shaft to rotate, and the connecting shaft drives the lower fixed plate and the upper fixed plate to rotate as a whole, so that the other surfaces of the lithium vanadium phosphate battery face the two cutting knives, thereby achieving the effect of automatically adjusting the lithium vanadium phosphate battery. There is no need to disassemble the lithium vanadium phosphate battery for adjustment, thereby reducing the labor intensity of the staff. Through the cooperation of the two devices, the entire cutting of the outer packaging of the lithium vanadium phosphate battery can be quickly completed, thereby improving the cutting efficiency of the trimming device for lithium battery production.

[0021] , The trimming device for lithium battery production uses an electric hydraulic rod to push the upper fixed plate downward to fix the lithium vanadium phosphate battery. The excess part of the aluminum-plastic film will be placed outside the two placement grooves to prevent uneven fracture on the surface of the aluminum-plastic film during cutting. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0023] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0024] Figure 2 It is a bottom view schematic diagram of the right side of the utility model as a whole;

[0025] Figure 3 This is a schematic diagram of the connection between the electric hydraulic rod and the upper fixing plate of the utility model.

[0026] Figure numerals: 1. fixed bottom plate; 2. concave fixed plate; 3. first protective box; 4. top plate; 5. cutting knife; 6. first servo motor; 7. movable sleeve; 8. threaded rod; 9. L-shaped rectangular plate; 10. first fixed plate; 11. rectangular groove; 12. second protective box; 13. upper fixed plate; 14. placement groove; 15. lower fixed plate; 16. connecting shaft; 17. feed trough; 18. waste collection box; 19. supporting leg; 20. supporting plate; 21. connecting plate; 22. concave plate; 23. second servo motor; 24. electric hydraulic rod. DETAILED DESCRIPTION

[0027] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0028] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0029] In the description of the present utility model, "greater than", "less than", "exceed" etc. are understood as not including the number itself, and "above", "below", "within" etc. are understood as including the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0030] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0031] See also Figure 1-3 The utility model provides a technical solution: a trimming device for lithium battery production, comprising a fixed bottom plate 1 and a top plate 4, the fixed bottom plate 1 and the top plate 4 are arranged correspondingly up and down, and two rectangular grooves 11 are opened on the upper surface of the top plate 4, and the two rectangular grooves 11 both penetrate the lower surface of the top plate 4;

[0032] A fixing device, the fixing device is arranged on the fixing base plate 1;

[0033] A cutting device, the cutting device is arranged on the top plate 4, and the cutting device comprises two first fixing plates 10, and the two first fixing plates 10 are both fixedly connected to the upper surface of the top plate 4;

[0034] The threaded rods 8 are rotatably connected to the opposite surfaces of the two first fixing plates 10, and the outer surface of the first fixing plate 10 on the right side is fixedly connected to the support plate 20;

[0035] The upper surface of the support plate 20 is fixedly connected with the first servo motor 6 , and the output end of the first servo motor 6 is fixedly connected to the right end of the threaded rod 8 .

[0036] Furthermore, the cutting device further comprises a movable sleeve 7, the outer wall of the threaded rod 8 is threadedly sleeved with the movable sleeve 7, the front and rear surfaces of the movable sleeve 7 are fixedly connected with L-shaped rectangular plates 9, and the lower surfaces of the two L-shaped rectangular plates 9 slide through the corresponding rectangular grooves 11 respectively;

[0037] The lower surfaces of the two L-shaped rectangular plates 9 are fixedly connected to the first protection boxes 3, and the interiors of the two first protection boxes 3 are fixedly connected to the motors;

[0038] The output ends of the two motors rotate to pass through the opposite surfaces of the two first protection boxes 3 respectively, and the output ends of the two motors are fixedly connected with the cutting blades 5.

[0039] Furthermore, the fixing device includes a concave plate 22, the concave plate 22 is fixedly connected to the lower surface of the fixed bottom plate 1, and a second servo motor 23 is fixedly connected to the concave portion of the concave plate 22;

[0040] The output end of the second servo motor 23 is fixedly connected to a connecting shaft 16 , the upper end of the connecting shaft 16 rotates through the upper surface of the fixed base plate 1 , and the upper end of the connecting shaft 16 is fixedly connected to the lower fixed plate 15 .

[0041] Furthermore, the fixing device further comprises a second protection box 12, the second protection box 12 is rotatably connected to the lower surface of the top plate 4, and an electric hydraulic rod 24 is fixedly connected inside the second protection box 12;

[0042] The telescopic end of the electric hydraulic rod 24 slides through the lower surface of the second protective box 12, and the telescopic end of the electric hydraulic rod 24 is fixedly connected to the upper fixing plate 13, and the upper fixing plate 13 and the lower fixing plate 15 are arranged in correspondence with each other;

[0043] The upper fixing plate 13 and the lower fixing plate 15 have opposite surfaces provided with placement grooves 14 , and the two placement grooves 14 are used for fixing the vanadium phosphate lithium ion batteries.

[0044] Furthermore, the front and rear surfaces of the top plate 4 are fixedly connected with concave fixing plates 2 , the two concave fixing plates 2 are fixedly connected with the fixed bottom plate 1 , and the lower surface of the fixed bottom plate 1 is fixedly connected with four supporting legs 19 .

[0045] Furthermore, two waste collection boxes 18 are fixedly connected to the lower surface of the fixed bottom plate 1 . The two waste collection boxes 18 are inclined. A feed trough 17 communicating with the two waste collection boxes 18 is provided on the upper surface of the fixed bottom plate 1 .

[0046] Furthermore, when trimming the outer packaging of the lithium vanadium phosphate battery, the lithium vanadium phosphate battery is first placed in the placement groove 14 on the lower fixing plate 15. The specific size of the placement groove 14 can be selected according to the actual size of the lithium vanadium phosphate battery. The depth of the placement groove 14 is half the height of the lithium vanadium phosphate battery. Then, the electric hydraulic rod 24 is started, and the electric hydraulic rod 24 pushes the upper fixing plate 13 to move downward to fix the lithium vanadium phosphate battery. The excess part of the aluminum-plastic film will be placed outside the two placement grooves 14 to prevent uneven fracture of the surface of the aluminum-plastic film during cutting, thereby To facilitate the cutting of the aluminum-plastic film and improve the cutting quality, the first servo motor 6 is then started, the first servo motor 6 drives the threaded rod 8 to rotate, the threaded rod 8 drives the movable sleeve 7 to move to the left, the movable sleeve 7 drives the two connecting plates 21 to move to the left through the two L-shaped rectangular plates 9, the two connecting plates 21 drive the two first protective boxes 3 and the two cutting knives 5 to move to the left, the two cutting knives 5 will cut the aluminum-plastic film on both sides while moving to the left, and by setting two cutting knives 5, the aluminum-plastic film on both sides can be cut at one time, thereby improving the cutting efficiency. After the cutting is completed, the first servo motor 6 is started. The second servo motor 23 drives the connecting shaft 16 to rotate, and the connecting shaft 16 drives the lower fixing plate 15 to rotate. Since the upper fixing plate 13 and the lower fixing plate 15 are attached together, the lower fixing plate 15 will drive the upper fixing plate 13 to rotate as a whole, so that the other surfaces of the lithium vanadium phosphate battery face the two cutting knives 5, so as to achieve the effect of automatically adjusting the lithium vanadium phosphate battery, and it is not necessary to disassemble the lithium vanadium phosphate battery for adjustment, which reduces the labor intensity of the staff, and then cooperates with the two cutting knives to cut the aluminum-plastic film again. By setting two cutting knives 5, the two cutting knives 5 can complete the process at one time. The aluminum-plastic films on both sides are cut, thereby improving the cutting efficiency. By setting a second servo motor 23, the second servo motor 23 drives the connecting shaft 16 to rotate, and the connecting shaft 16 drives the lower fixing plate 15 and the upper fixing plate 13 to rotate as a whole, so that the other surfaces of the lithium vanadium phosphate battery face the two cutting knives 5, so as to achieve the effect of automatically adjusting the lithium vanadium phosphate battery. It is unnecessary to disassemble the lithium vanadium phosphate battery for surface adjustment, thereby reducing the labor intensity of the staff. Through the cooperation of the two devices, the entire outer packaging of the lithium vanadium phosphate battery can be quickly cut, thereby improving the cutting efficiency of the trimming device for lithium battery production.

[0047] Working principle: When trimming the outer packaging of the lithium vanadium phosphate battery, first place the lithium vanadium phosphate battery in the placement groove 14 on the lower fixing plate 15. The specific size of the placement groove 14 can be selected according to the actual size of the lithium vanadium phosphate battery. The depth of the placement groove 14 is half the height of the lithium vanadium phosphate battery. Then start the electric hydraulic rod 24, which pushes the upper fixing plate 13 downward to fix the lithium vanadium phosphate battery. The excess part of the aluminum-plastic film will be placed outside the two placement grooves 14 to prevent the surface of the aluminum-plastic film from being broken during cutting. The phenomenon of uneven cracking is eliminated, thereby facilitating the cutting of the aluminum-plastic film. Subsequently, the first servo motor 6 is started, and the first servo motor 6 drives the threaded rod 8 to rotate, and the threaded rod 8 drives the movable sleeve 7 to move to the left. The movable sleeve 7 drives the two connecting plates 21 to move to the left through the two L-shaped rectangular plates 9. The two connecting plates 21 drive the two first protection boxes 3 and the two cutting knives 5 to move to the left. The two cutting knives 5 will cut the aluminum-plastic film on both sides while moving to the left. By setting two cutting knives 5, the aluminum-plastic film on both sides can be cut at one time. After completion, the second servo motor 23 is started, and the second servo motor 23 drives the connecting shaft 16 to rotate, and the connecting shaft 16 drives the lower fixed plate 15 to rotate. Since the upper fixed plate 13 and the lower fixed plate 15 are attached together, the lower fixed plate 15 will drive the upper fixed plate 13 to rotate as a whole, so that the other surfaces of the lithium vanadium phosphate battery face the two cutting knives 5, so as to achieve the effect of automatically adjusting the lithium vanadium phosphate battery, and it is not necessary to disassemble the lithium vanadium phosphate battery for adjustment, which reduces the labor intensity of the staff, and then cooperate with the two cutting knives to cut the aluminum-plastic film again. By setting two cutting knives 5, the two cutting knives 5 can complete the cutting of the aluminum-plastic film on both sides at one time. By setting the second servo motor 23, the second servo motor 23 drives the connecting shaft 16 to rotate, and the connecting shaft 16 drives the lower fixed plate 15 and the upper fixed plate 13 to rotate as a whole, so that the other surfaces of the lithium vanadium phosphate battery face the two cutting knives 5, so as to achieve the effect of automatically adjusting the lithium vanadium phosphate battery, and it is not necessary to disassemble the lithium vanadium phosphate battery for adjustment, which reduces the labor intensity of the staff. The entire cutting of the outer packaging of the lithium vanadium phosphate battery can be quickly completed through the cooperation of the two devices.

[0048] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A trimming device for lithium battery production, characterized in that: include: A fixed bottom plate (1) and a top plate (4), wherein the fixed bottom plate (1) and the top plate (4) are arranged in correspondence with each other from top to bottom, and two rectangular grooves (11) are provided on the upper surface of the top plate (4), and both rectangular grooves (11) penetrate the lower surface of the top plate (4); A fixing device, the fixing device being arranged on the fixing base plate (1); A cutting device, the cutting device being arranged on the top plate (4), the cutting device comprising two first fixing plates (10), the two first fixing plates (10) being fixedly connected to the upper surface of the top plate (4); The threaded rods (8) are rotatably connected to the opposite surfaces of the two first fixing plates (10), and the outer surface of the first fixing plate (10) on the right side is fixedly connected to a support plate (20); The upper surface of the support plate (20) is fixedly connected to a first servo motor (6), and the output end of the first servo motor (6) is fixedly connected to the right end of the threaded rod (8).

2. A trimming device for lithium battery production according to claim 1, characterized in that: The cutting device further comprises a movable sleeve (7), the outer wall of the threaded rod (8) being threadedly sleeved with the movable sleeve (7), the front and rear surfaces of the movable sleeve (7) being fixedly connected with L-shaped rectangular plates (9), the lower surfaces of the two L-shaped rectangular plates (9) respectively slidingly passing through the corresponding rectangular grooves (11); The lower surfaces of the two L-shaped rectangular plates (9) are fixedly connected to the first protection boxes (3), and the interiors of the two first protection boxes (3) are fixedly connected to the motors; The output ends of the two motors rotate to pass through the opposite surfaces of the two first protection boxes (3) respectively, and the output ends of the two motors are fixedly connected to the cutting blades (5).

3. A trimming device for lithium battery production according to claim 2, characterized in that: The fixing device comprises a concave plate (22), the concave plate (22) being fixedly connected to the lower surface of the fixed bottom plate (1), and a second servo motor (23) being fixedly connected to the concave portion of the concave plate (22); The output end of the second servo motor (23) is fixedly connected to a connecting shaft (16), the upper end of the connecting shaft (16) rotates to penetrate the upper surface of the fixed bottom plate (1), and the upper end of the connecting shaft (16) is fixedly connected to the lower fixed plate (15).

4. A trimming device for lithium battery production according to claim 3, characterized in that: The fixing device further comprises a second protection box (12), the second protection box (12) being rotatably connected to the lower surface of the top plate (4), and an electric hydraulic rod (24) being fixedly connected inside the second protection box (12); The telescopic end of the electric hydraulic rod (24) slides through the lower surface of the second protection box (12), the telescopic end of the electric hydraulic rod (24) is fixedly connected to the upper fixing plate (13), and the upper fixing plate (13) and the lower fixing plate (15) are arranged in correspondence with each other up and down; Wherein, the opposing surfaces of the upper fixing plate (13) and the lower fixing plate (15) are both provided with placement grooves (14), and the two placement grooves (14) are used for fixing the vanadium phosphate lithium ion batteries.

5. A trimming device for lithium battery production according to claim 4, characterized in that: The front and rear surfaces of the top plate (4) are both fixedly connected to concave fixing plates (2), the two concave fixing plates (2) are both fixedly connected to the fixing bottom plate (1), and the lower surface of the fixing bottom plate (1) is fixedly connected to four supporting legs (19).

6. A trimming device for lithium battery production according to claim 5, characterized in that: Two waste collection boxes (18) are fixedly connected to the lower surface of the fixed bottom plate (1), and the two waste collection boxes (18) are arranged in an inclined manner. A feed trough (17) communicating with the two waste collection boxes (18) is provided on the upper surface of the fixed bottom plate (1).

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