Clamping device for assembling lithium battery

Abstract

The utility model relates to the technical field of lithium battery assembly, in particular to a clamping device for lithium battery assembly. Comprising a bottom plate, a clamping mechanism is arranged on the bottom plate, an adjusting mechanism is arranged on the bottom plate, the clamping mechanism drives the adjusting mechanism to enable the adjusting mechanism to clamp lithium batteries, the adjusting mechanism is used for clamping a plurality of lithium batteries and adjusting the distance between the lithium batteries, and the adjusting mechanism comprises a driving assembly and two transmission assemblies; and the driving assembly drives the transmission assembly, so that the transmission assembly drives the plurality of lithium batteries to move in a direction away from or close to each other. According to the utility model, the clamping mechanism drives the adjusting mechanism to enable the adjusting mechanism to clamp and fix the lithium battery, then the driving assembly drives the transmission assembly to enable the transmission assembly to drive the first positioning block and the second positioning block to move equidistantly, and the moving first positioning block and second positioning block drive the lithium battery to move equidistantly. Therefore, the distance between the lithium batteries is equidistantly adjusted.

Description

TECHNICAL FIELD

[0001] The utility model relates to lithium battery assembly technical field, concretely relates to a clamping device for lithium battery assembly. BACKGROUND

[0002] Lithium battery is a kind of rechargeable battery, mainly relies on lithium ion to move between positive and negative to realize the storage and release of electric energy, due to the chemical characteristics of lithium metal is very active, makes the processing, preservation, use of lithium metal, the requirement to environment is very high;With the development of science and technology, lithium battery has been widely applied and popularized, and has become the mainstream product of mobile power industry. Several lithium batteries are assembled into a whole in lithium battery assembly time, in the process of lithium battery assembly, to improve the stability of lithium battery in the process of assembly, usually through clamping device to clamp and fix lithium battery, so as to make lithium battery keep stable in the process of assembly, facilitate the assembly of subsequent lithium battery, the existing clamping device is clamped to lithium battery by two clamping plates in the use process, and the chemical reaction in lithium battery can produce heat in the use process, with the temperature rise of lithium battery the performance, life and safety of lithium battery are influenced, to improve the heat dissipation effect of lithium battery, usually need to leave the gap of installing heat dissipation assembly or shock absorbing assembly between adjacent lithium batteries, and in the process of lithium battery assembly, usually need staff to manually adjust the distance between lithium batteries, so that the gap between lithium batteries is in proper width, since staff can not accurately adjust the distance between lithium batteries, staff need to fine-tune the distance between lithium batteries in the process of lithium battery assembly, so as to facilitate the accuracy of subsequent lithium battery assembly, in this process, staff can not accurately control the distance between lithium batteries, and staff need more time to adjust the position of lithium battery, cause the working efficiency of lithium battery assembly to decline, in view of this, we propose a kind of clamping device for lithium battery assembly. UTILITARIAN CONTENT

[0003] The utility model aims at providing a kind of clamping device for lithium battery assembly, to solve the problem that staff can not accurately adjust the distance between lithium batteries in the above background technology, cause artificial cost to increase and the problem of lithium battery assembly efficiency decline.

[0004] To achieve the above object, the utility model provides a kind of clamping device for lithium battery assembly, including bottom plate, clamping mechanism is arranged on the bottom plate, adjusting mechanism is arranged on the bottom plate, clamping mechanism drives adjusting mechanism to make adjusting mechanism clamping lithium battery, adjusting mechanism is used to clamp several lithium batteries and adjust the distance between lithium battery, adjusting mechanism includes drive assembly and two transmission assemblies, drive assembly drives transmission assembly, makes transmission assembly drive several lithium batteries move towards the direction of far away or close to each other, transmission assembly includes scissor type hinged frame and several first positioning block and second positioning block, several first positioning block and second positioning block are located in the same plane and are alternately arranged, and the number of second positioning block is less than that of first positioning block by one, move by clamping mechanism drive transmission assembly, so that first positioning block and second positioning block are clamped and fixed to lithium battery, by drive assembly drive scissor type hinged frame to unfold, so that scissor type hinged frame drives first positioning block and second positioning block to move away from each other, first positioning block and second positioning block are moved in the process, drive lithium battery to move, to adjust the distance between lithium battery, to facilitate subsequent assembly of lithium battery.

[0005] As a further improvement of the technical solution, the clamping mechanism includes a fixed plate fixedly arranged on the upper surface of the bottom plate, the fixed plate is provided with a clamping plate sliding on the bottom plate, the clamping plate is symmetrically provided with two first electric telescopic rods fixed on the bottom plate away from the fixed plate, the piston rod of the first electric telescopic rod is fixedly connected with one side of the clamping plate, and the piston rod of the first electric telescopic rod drives the clamping plate to move towards the direction close to or away from the fixed plate when the piston rod is telescoped, the lithium battery is placed on the bottom plate, and the lithium battery is located between the fixed plate and the clamping plate, the piston rod of the first electric telescopic rod is extended to drive the clamping plate to move towards the direction close to the fixed plate, and the lithium battery is clamped and fixed by the clamping plate and the fixed plate.

[0006] As a further improvement of the technical solution, the two transmission assemblies are arranged on the sides of the clamping plate and the fixed plate close to each other, the first positioning blocks and the second positioning blocks are connected by the scissor type hinged frame, the first positioning blocks and the second positioning blocks are moved equidistantly in the process of unfolding or shrinking of the scissor type hinged frame, the scissor type hinged frame and part of the first positioning blocks and the second positioning blocks on the clamping plate are moved in the process of movement of the clamping plate, and the first positioning blocks and the second positioning blocks are moved by the unfolded or shrunk scissor type hinged frame.

[0007] As a further improvement of the technical solution, the scissors type hinged frame is composed of a plurality of connecting pieces, the connecting pieces include two middle cross arranged rotating plates, and the positions of the two rotating plates are rotationally connected through connecting rods, the end portions of the rotating plates of adjacent connecting pieces are rotationally connected through positioning rods, one end of the positioning rod close to the first positioning block is fixedly provided with a moving block, the first positioning block is vertically provided with a moving groove close to one side of the scissors type hinged frame, the moving block is slidably arranged in the moving groove, and the first positioning block is installed on one side of the scissors type hinged frame through the moving block.

[0008] As a further improvement of the technical solution, one end of the connecting rod is fixedly arranged on the side wall of the second positioning block, the other end of the connecting rod is rotationally provided with a first sliding block, the middle position of the side of the second positioning block away from the connecting rod is rotationally provided with a first sliding block, and the fixed plate and the clamping plate are provided with a first sliding groove close to one side of the scissors type hinged frame.

[0009] As a further improvement of the technical solution, the driving assembly includes two sleeves and two connecting rods, the two sleeves are symmetrically arranged on one side of the fixed plate, the two connecting rods are symmetrically arranged on one side of the clamping plate, one end of the connecting rod is slidably inserted into the sleeve, and the two sleeves and the two connecting rods are provided with second electric telescopic rods fixed on one side of the fixed plate and the clamping plate, respectively.

[0010] Compared with the prior art, the utility model has the advantages of:

[0011] 1. The lithium battery assembling clamping device, the staff places the lithium battery on the bottom plate, drives the adjusting mechanism work through the clamping mechanism, and the first positioning block and the second positioning block are used for clamping and fixing the lithium battery, so as to increase the stability of the lithium battery in the assembling process, then the driving assembly drives the transmission assembly, the transmission assembly drives the first positioning block and the second positioning block to move equidistantly, the first positioning block and the second positioning block drive the lithium battery to move equidistantly, so as to equidistantly adjust the distance between the lithium batteries, so that the lithium batteries are in the appropriate position to facilitate subsequent assembly, and the assembling efficiency of the lithium battery is improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is one of the overall structure schematic views of the utility model;

[0013] Figure 2 It is the second overall structure schematic view of the utility model;

[0014] Figure 3 It is the three-dimensional schematic view of the clamping plate in the utility model;

[0015] Figure 4 It is the three-dimensional schematic view of the adjusting mechanism in the utility model;

[0016] Figure 5 It is the assembly schematic view of the driving assembly and the transmission assembly in the utility model;

[0017] Figure 6 It is the partial structure plane schematic view of the adjusting mechanism in the utility model;

[0018] Figure 7 It is the three-dimensional schematic view of the driving assembly in the utility model;

[0019] Figure 8 It is the three-dimensional schematic view of the first positioning block in the utility model;

[0020] Figure 9 It is the three-dimensional schematic view of the second positioning block in the utility model.

[0021] The meanings of various reference numerals in the drawing are as follows:

[0022] 1, the bottom plate;

[0023] 2, the clamping mechanism; 21, the fixed plate; 22, the first electric telescopic rod; 23, the clamping plate; 24, the limiting groove; 25, the first sliding groove; 26, the second sliding groove;

[0024] 3, adjusting mechanism; 31, first positioning block; 311, moving groove; 32, second positioning block; 33, scissor type hinged frame; 331, moving block; 34, first sliding block; 35, second sliding block; 36, limiting block; 37, sleeve; 38, connecting rod; 39, second electric telescopic rod. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] Embodiment 1

[0027] Please refer to Figure 1 - Figure 9 The present embodiment aims to provide a clamping device for lithium battery assembly, which comprises a bottom plate 1, a clamping mechanism 2 is arranged on the bottom plate 1, an adjusting mechanism 3 is arranged on the bottom plate 1, the clamping mechanism 2 drives the adjusting mechanism 3 to clamp the lithium battery, the adjusting mechanism 3 is used for clamping a plurality of lithium batteries and adjusting the distance between the lithium batteries, the adjusting mechanism 3 comprises a driving assembly and two transmission assemblies, the driving assembly drives the transmission assemblies, and the transmission assemblies drive the plurality of lithium batteries to move away from or close to each other.

[0028] The clamping mechanism 2 comprises a fixed plate 21 fixedly arranged on the upper surface of the bottom plate 1, a clamping plate 23 sliding on the bottom plate 1 is arranged on one side of the fixed plate 21, two first electric telescopic rods 22 fixedly arranged on the bottom plate 1 are symmetrically arranged on the side of the clamping plate 23 away from the fixed plate 21, the piston rod of the first electric telescopic rod 22 is fixedly connected with one side of the clamping plate 23, and the piston rod of the first electric telescopic rod 22 drives the clamping plate 23 to move towards the direction close to or away from the fixed plate 21 when the piston rod is telescoped, and the two transmission assemblies are arranged on the sides of the clamping plate 23 and the fixed plate 21 close to each other.

[0029] In the initial state, the first positioning block 31 and the second positioning block 32 in each transmission assembly are closely fitted, when the lithium battery needs to be assembled, the workers place a plurality of lithium batteries on the bottom plate 1, so that the lithium battery is located between the clamping plate 23 and the fixed plate 21, at this time, the lithium battery is located between the two transmission assemblies, then the piston rod of the first electric telescopic rod 22 is extended to drive the clamping plate 23 to move towards the fixed plate 21, the clamping plate 23 drives the transmission assembly on one side to move towards the fixed plate 21, and the moving transmission assembly extrudes the lithium battery on the other side of the transmission assembly during the movement, so as to clamp and fix the lithium battery, so that the lithium battery remains stable during assembly, then the driving assembly drives the transmission assembly, so that the transmission assembly moves equidistantly to adjust the distance between the lithium batteries, so that the workers do not need to manually adjust the position of the lithium battery multiple times, reducing the adjustment times and adjustment time of the lithium battery, thereby reducing the working intensity of the workers, and improving the assembly efficiency of the lithium battery.

[0030] Reference Figure 4 - Figure 6 The transmission assembly comprises a scissor type bracket 33 and a plurality of first positioning blocks 31 and second positioning blocks 32, the plurality of first positioning blocks 31 and second positioning blocks 32 are arranged alternately in the same plane, and the number of the second positioning blocks 32 is one less than that of the first positioning blocks 31, that is, the first positioning blocks 31 are arranged outside, and the second positioning blocks 32 are arranged on the side connected to the first positioning blocks 31, the first positioning blocks 31 and the second positioning blocks 32 are connected to the clamping plate 23 and the fixed plate 21 through the scissor type bracket 33, and the scissor type bracket 33 drives the first positioning blocks 31 and the second positioning blocks 32 to move equidistantly during expansion or contraction, wherein the scissor type bracket 33 is composed of a plurality of connecting pieces, the plurality of connecting pieces are arranged in sequence, the connecting piece comprises two middle cross-shaped turning plates, the cross positions of the two turning plates are rotationally connected through a connecting rod, and the end portions of the turning plates of adjacent connecting pieces are rotationally connected through a positioning rod, a plurality of turning plates are cross-hinged and connected through the connecting rod and the positioning rod, when the two turning plates of one group rotate around the connecting rod, the turning plates of the adjacent group of connecting pieces are driven to rotate synchronously through the positioning rod, so as to make the scissor type bracket 33 expand or contract as a whole.

[0031] Reference Figure 4 - Figure 6The first positioning block 31 is arranged at the end position of the rotating plate, the second positioning block 32 is arranged at the position of the middle hinge of the rotating plate, the end of the positioning rod close to the first positioning block 31 is fixedly provided with a moving block 331, the first positioning block 31 is vertically provided with a moving groove 311 close to one side of the scissor type hinged frame 33, the moving block 331 is slidably arranged in the moving groove 311, that is, two moving blocks 331 are slidably arranged in one moving groove 311, the first positioning block 31 is installed on one side of the scissor type hinged frame 33 through the moving block 331, one end of the connecting rod is fixedly arranged on the side wall of the second positioning block 32, the other end of the connecting rod is rotatably provided with a first sliding block 34, the first sliding groove 25 is horizontally arranged and is arranged on one side of the scissor type hinged frame 33 of the fixed plate 21 and the clamping plate 23, the first sliding block 34 is slidably arranged in the first sliding groove 25, the first sliding groove 25 limits the moving track of the first sliding block 34, and the two scissor type hinged frames 33 are installed on one side of the clamping plate 23 and the fixed plate 21 through the first sliding block 34, so that the scissor type hinged frame 33 is prevented from falling off.

[0032] When the rotating plate rotates, the moving block 331 slides in the moving groove 311, the horizontal distance between the end and the middle of the rotating plate changes in the process of the sliding of the moving block 331, the distance between the adjacent first positioning block 31 and the second positioning block 32 changes equidistantly, the first sliding block 34 moves along the axis direction of the first sliding groove 25, that is, the scissor type hinged frame 33 drives the first positioning block 31 and the second positioning block 32 to move, and the moving first positioning block 31 and the second positioning block 32 drive the lithium batteries to move equidistantly, so that the distance between the lithium batteries is equidistantly adjusted.

[0033] In order to improve the stability of the movement of the first positioning block 31 and the second positioning block 32, please refer to Figure 3 - Figure 6 The second sliding groove 26 is arranged at the top and the bottom of one side of the first positioning block 31 of the clamping plate 23 and the fixed plate 21, the second sliding block 35 is fixedly arranged at the top and the bottom of one side of the first positioning block 31 and the second positioning block 32 close to the rotating plate, the second sliding block 35 is slidably arranged in the second sliding groove 26, the second sliding block 35 moves along the axis direction of the second sliding groove 26 when the first positioning block 31 and the second positioning block 32 move, the second sliding block 35 and the second sliding groove 26 limit the moving path of the first positioning block 31 and the second positioning block 32, so that the first positioning block 31 and the second positioning block 32 are prevented from deviating in the moving process, the first positioning block 31 and the second positioning block 32 are installed on one side of the clamping plate 23 and the fixed plate 21 through the second sliding block 35, the first positioning block 31 and the second positioning block 32 are prevented from being separated from the scissor type hinged frame 33, and the stability of the clamping of the first positioning block 31 and the second positioning block 32 on the lithium batteries is ensured.

[0034] The vertical limiting grooves 24 are arranged on the sides of the clamping plate 23 and the fixed plate 21 close to the rotating plates. The limiting blocks 36 are rotatably arranged at the four ends of the rotating plates close to the limiting grooves 24, and are slidably arranged in the limiting grooves 24. During the rotation of the rotating plates, the two adjacent limiting blocks 36 drive the rotating plates to rotate, and the limiting blocks 36 move along the axis direction of the limiting grooves 24. At this time, the scissors-type hinges 33 drive the first positioning block 31 and the second positioning block 32 to move equidistantly. The ends of the two scissors-type hinges 33 are respectively installed on the ends of the clamping plate 23 and the fixed plate 21 through the limiting blocks 36. When the limiting blocks 36 move, the scissors-type hinges 33 are expanded and contracted, so that the first positioning block 31 and the second positioning block 32 move equidistantly.

[0035] Referring to Figure 4 , Figure 5 and Figure 7 , the driving assembly includes two sleeve shells 37 and two connecting rods 38. The two sleeve shells 37 are symmetrically and slidably arranged on one side of the fixed plate 21. The two connecting rods 38 are symmetrically and slidably arranged on one side of the clamping plate 23. One end of the connecting rod 38 is slidably inserted into the sleeve shell 37. The two sleeve shells 37 and the two connecting rods 38 are provided with the second electric telescopic rods 39 which are respectively fixed on one side of the fixed plate 21 and the clamping plate 23. The second electric telescopic rods 39 are located between the two sleeve shells 37 and the two connecting rods 38. The second electric telescopic rods 39 are fixedly installed on one side of the clamping plate 23 and the fixed plate 21 close to the middle part. There are four second electric telescopic rods 39 in total, which are divided into two groups. The pistons of the two second electric telescopic rods 39 in each group are arranged upward and downward respectively. When the piston rods of the second electric telescopic rods 39 are expanded and contracted, the two sleeve shells 37 and the two connecting rods 38 move close to or away from each other. The four rotating plate ends close to the sleeve shells 37 and the connecting rods 38 are respectively hinged on one side of the two sleeve shells 37 and the two connecting rods 38 close to the rotating plates. The moving sleeve shells 37 and connecting rods 38 drive the rotating plate ends close to the sleeve shells 37 and the connecting rods 38 to move, so that the distance between the rotating plate ends changes, thereby making the rotating plates rotate around the connecting rods.

[0036] When it is necessary to adjust the distance between the lithium batteries, the piston rods of the second electric telescopic rods 39 are retracted to drive the sleeve shells 37 and the connecting rods 38 to move. During the movement of the sleeve shells 37 and the connecting rods 38, the ends of the rotating plates rotate, so that the distance between the rotating plate ends in the vertical direction changes, and the distance between the rotating plate ends in the horizontal direction changes synchronously, thereby driving the first positioning block 31 and the second positioning block 32 to move. The rotating plates on the clamping plate 23 and the fixed plate 21 are connected through the sleeve shells 37 and the connecting rods 38. During the movement of the sleeve shells 37 and the connecting rods 38, the rotating plates on the clamping plate 23 and the fixed plate 21 rotate synchronously.

[0037] The device in use:

[0038] When the clamping mechanism 2 drives the first positioning block 31 and the second positioning block 32 to move to clamp the lithium battery, the piston rod of the second electric telescopic rod 39 is retracted to drive the sleeve shell 37 and the connecting rod 38 to move towards the direction close to the second electric telescopic rod 39, the moving sleeve shell 37 and the connecting rod 38 drive the end of the rotating plate to rotate, the distance of the end of the rotating plate in the vertical direction is shortened, and the distance of the end and the middle of the rotating plate in the horizontal direction is lengthened, the rotating plate drives the first positioning block 31 and the second positioning block 32 to move equidistantly away from the sleeve shell 37, and the first positioning block 31 and the second positioning block 32 drive the lithium battery to move in the moving process, so that the distance between the lithium batteries is equidistantly adjusted, thereby facilitating workers to adjust the position of the lithium battery for subsequent assembly.

[0039] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only preferred examples of the present application and do not limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A clamping device for assembling lithium batteries, comprising a base plate (1) provided with a clamping mechanism (2), characterized in that: The bottom plate (1) is provided with an adjusting mechanism (3), the clamping mechanism (2) drives the adjusting mechanism (3) to clamp the lithium battery, the adjusting mechanism (3) is used for clamping several lithium batteries and adjusting the distance between the lithium batteries, the adjusting mechanism (3) comprises a driving assembly and two transmission assemblies, the driving assembly drives the transmission assembly, so that the transmission assembly drives several lithium batteries to move away from or close to each other, the transmission assembly comprises a scissor type hinged bracket (33) and a plurality of first positioning blocks (31) and second positioning blocks (32), a plurality of the first positioning blocks (31) and the second positioning blocks (32) are alternately arranged in the same plane, and the number of the second positioning blocks (32) is less than that of the first positioning blocks (31).

2. The lithium battery assembling clamping device according to claim 1, characterized in that: The clamping mechanism (2) comprises a fixed plate (21) fixedly arranged on the upper surface of the bottom plate (1), one side of the fixed plate (21) is provided with a clamping plate (23) sliding on the bottom plate (1), and the side, away from the fixed plate (21), of the clamping plate (23) is symmetrically provided with two first electric telescopic rods (22) fixed on the bottom plate (1); the piston rod of the first electric telescopic rod (22) is fixedly connected with one side of the clamping plate (23), and the piston rod of the first electric telescopic rod (22) drives the clamping plate (23) to move towards the fixed plate (21) when the piston rod is telescoped.

3. The lithium battery assembling clamping device according to claim 2, characterized in that: The two transmission assemblies are arranged on the sides, close to each other, of the clamping plate (23) and the fixed plate (21), a plurality of the first positioning blocks (31) and the second positioning blocks (32) are connected through the scissor type hinged bracket (33), and the first positioning blocks (31) and the second positioning blocks (32) move equidistantly in the process of unfolding or shrinking of the scissor type hinged bracket (33).

4. The lithium battery assembling clamping device according to claim 3, characterized in that: The scissor type hinged bracket (33) is composed of a plurality of connecting pieces, the connecting pieces comprise two middle cross-arranged rotating plates, the positions, at which the two rotating plates cross, are rotationally connected through connecting rods, the end portions of the rotating plates of adjacent connecting pieces are rotationally connected through positioning rods, one end of the positioning rod, close to the first positioning block (31), is fixedly provided with a moving block (331), one side of the first positioning block (31), close to the scissor type hinged bracket (33), is vertically provided with a moving groove (311), and the moving block (331) is slidingly arranged in the moving groove (311); and the first positioning block (31) is installed on one side of the scissor type hinged bracket (33) through the moving block (331).

5. The lithium battery assembling clamping device according to claim 4, characterized in that: One end of the connecting rod is fixedly arranged on the side wall of the second positioning block (32), the other end of the connecting rod is rotationally provided with a first sliding block (34), and the side, close to the scissor type hinged bracket (33), of the fixed plate (21) and the clamping plate (23) is provided with a first sliding groove (25); and the first sliding block (34) is slidingly arranged in the first sliding groove (25).

6. The lithium battery assembling clamping device according to claim 5, characterized in that: The driving assembly comprises two sleeves (37) and two connecting rods (38), the two sleeves (37) are symmetrically arranged on one side of the fixed plate (21) in sliding mode, the two connecting rods (38) are symmetrically arranged on one side of the clamping plate (23) in sliding mode, one end of the connecting rod (38) is inserted into the sleeve (37) in sliding mode, and the two sleeves (37) and the two connecting rods (38) are provided with the second electric telescopic rods (39) fixed on one side of the fixed plate (21) and the clamping plate (23) respectively on the side close to each other, the piston rod of the second electric telescopic rod (39) drives the two sleeves (37) and the two connecting rods (38) to move close to or away from each other when the second electric telescopic rod (39) is retracted, and the four rotating plate end portions close to the sleeves (37) and the connecting rods (38) are hingedly connected to the sides close to the rotating plate of the two sleeves (37) and the two connecting rods (38) respectively.

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