Quick remodeling jig for aluminum shell battery

Abstract

The utility model relates to a quick remodeling jig for an aluminum shell battery. The quick remodeling jig comprises a supporting bottom plate; the two battery cell clamping assemblies are symmetrically arranged in parallel, and a plurality of battery cells are arranged between the two battery cell clamping assemblies; the battery cell clamping assembly comprises two symmetrically-arranged fixing blocks, a middle rotating rod and a plurality of battery cell clamps, the two ends of the middle rotating rod in the length direction are connected with rotating shafts, the rotating shafts are arranged on the fixing blocks, the rotating shafts are rotationally connected with the fixing blocks, and the outer wall of the middle rotating rod is provided with the battery cell clamps; and a battery cell is arranged between the battery cell clamps of the two battery cell clamping assemblies. According to the quick remodeling jig for the aluminum shell battery, different battery jigs are rotated in place by adjusting the position of the rotating shaft, and the quick remodeling jig is simple and quick. When the battery needs to be remodeled, the indexing pin on the side edge of the mechanism is pulled out firstly, then the rotating shaft is rotated, the needed battery cell jig is rotated to the battery placing position, and then the indexing pin is inserted into the pin hole, so that remodeling is completed.

Description

Technical Field

[0001] The utility model relates to the technical field of batteries, in particular to a fast-changing jig for aluminum shell batteries. Background Art

[0002] Nowadays, all countries are vigorously developing green and efficient secondary batteries. As a new type of secondary battery, lithium-ion batteries have the advantages of high energy density and power density, high operating voltage, light weight, small size, long cycle life, good safety, and green environmental protection. They have broad application prospects in portable appliances, power tools, large energy storage, and electric transportation power sources. Aluminum shell batteries have gradually replaced soft pack batteries due to their advantages of high safety, high energy density and long life.

[0003] The battery module is composed of multiple cells, which need to be strictly screened to assemble multiple cells with good consistency into a modular battery module. During the cell screening process, several cells need to be neatly placed in a jig for screening. Since the size of the cells involves multiple specifications, the jig used for cell placement needs to have multiple specifications and structures.

[0004] The existing fixture structure requires manual loosening of screws, placement of replacement cells, replacement of replacement parts, adjustment of the waist hole position, and finally locking of screws when changing models. The existing mechanism has problems such as cumbersome change process, long debugging time, and easy loss of replacement parts. Utility Model Content

[0005] To this end, the technical problem to be solved by the utility model is to overcome the problem that the battery cell placement fixture in the prior art can only be applied to a single type of battery cell, which makes the fixture disassembly operation complicated when replacing the battery cell, resulting in inconvenience in use.

[0006] In order to solve the above technical problems, the utility model provides a fast change jig for aluminum shell batteries, including: a support base plate, which serves as a support component of the jig; a battery cell clamping assembly, which is two groups symmetrically and parallelly arranged, the battery cell clamping assembly is arranged on the support base plate, and a number of battery cells are arranged between the two groups of battery cell clamping assemblies; the battery cell clamping assembly includes two symmetrically arranged fixed blocks, an intermediate rotating rod and a number of battery cell clamps, the fixed block is fixedly arranged on the support base plate, both ends of the intermediate rotating rod in the length direction are connected with a rotating shaft, the rotating shaft is arranged on the fixed block, and the rotating shaft is rotatably connected to the fixed block, a battery cell clamp is arranged on the outer wall of the intermediate rotating rod, and a battery cell is arranged between the battery cell clamps of the two groups of battery cell clamping assemblies. The utility model of the fast change jig for aluminum shell batteries has the advantages of high integration, simple and efficient change, no loss of change parts, and can be applied to four different battery cell sizes.

[0007] In one embodiment of the utility model, adapter blocks are provided at both ends of the intermediate rotating rod in the length direction, the rotating shaft is arranged on the adapter block, the fixed block is provided with an indexing pin, and the fixed block and the adapter block are locked by an indexing pin.

[0008] In one embodiment of the utility model, an oil-free bushing is provided on the fixed block, the rotating shaft is arranged in the oil-free bushing, and the rotating shaft and the oil-free bushing are rotatably connected.

[0009] In one embodiment of the utility model, at least one battery cell support plate is provided on the support bottom plate, the battery cell support plate is located between two groups of battery cell clamping assemblies, and the lower end of the battery cell is placed on the battery cell support plate.

[0010] In one embodiment of the utility model, the number of the battery cell support plates is two, and the two battery cell support plates are symmetrically and parallelly arranged. The battery cell support plates are rectangular bodies, and the battery cell support plates are arranged parallel to the middle rotating rod.

[0011] In one embodiment of the present invention, the middle rotating rod is a rectangular rod, and battery cell clamps are provided on four outer walls of the middle rotating rod.

[0012] In one embodiment of the utility model, the battery cell clamp includes a rectangular plate and a plurality of battery cell limiting protrusions, the rectangular plate is fixedly connected to the outer wall of the middle rotating rod, the plurality of battery cell limiting protrusions are fixedly arranged in a row on the rectangular plate, and battery cells are arranged between the plurality of battery cell limiting protrusions.

[0013] In an embodiment of the present invention, the plurality of battery cell limiting protrusions are evenly spaced, and gaps are provided between the plurality of battery cell limiting protrusions, and the side edges of the battery cells are placed in the gaps.

[0014] In one embodiment of the utility model, the corner of the battery cell limiting protrusion for placing one end of the battery cell is chamfered, and the chamfered positions between adjacent battery cell limiting protrusions are arranged in an "eight"-shaped opening.

[0015] In one embodiment of the utility model, the fixing block is provided with a plurality of circular through holes, and the indexing pins pass through the circular through holes.

[0016] The above technical solution of the utility model has the following beneficial effects compared with the prior art:

[0017] The quick-change jig for aluminum shell batteries described in the utility model can rotate different battery jigs into place by adjusting the position of the rotating shaft, which is simple and fast. When the battery needs to be changed, first pull out the indexing pin on the side of the mechanism, then rotate the rotating shaft, rotate the required battery cell jig to the battery placement position, and then insert the indexing pin into the pin hole to complete the change. This jig does not need to loosen the screws, replace the change parts, or adjust the position when changing the shape, and can achieve the positioning of four different batteries to prevent tipping problems. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to make the content of the utility model easier to understand, the utility model is further described in detail according to the specific embodiments of the utility model in combination with the accompanying drawings, wherein

[0019] Figure 1 This is a schematic diagram of the overall structure of a quick-change jig for aluminum shell batteries in a preferred embodiment of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of a quick-change jig for aluminum shell batteries in a preferred embodiment of the utility model;

[0021] Figure 3 A top view of a quick-change jig for aluminum shell batteries in a preferred embodiment of the utility model;

[0022] Figure 4 It is a right view of a quick-change jig for aluminum shell batteries in a preferred embodiment of the utility model;

[0023] Figure 5 It is a structural schematic diagram of a battery cell clamp in a preferred embodiment of the utility model.

[0024] Explanation of the markings in the drawings in the specification: supporting base plate 1, battery cell supporting plate 11, battery cell clamping assembly 2, fixing block 21, indexing pin 211, oil-free bushing 212, circular through hole 213, intermediate rotating rod 22, adapter block 221, battery cell clamp 23, rectangular plate 231, battery cell limiting protrusion 232, gap 233, chamfer 234, rotating shaft 24, battery cell 100. DETAILED DESCRIPTION

[0025] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and implement it, but the embodiments are not intended to limit the present invention.

[0026] Reference Figure 1-4As shown, the utility model is a quick-changing jig for aluminum shell batteries, comprising: a supporting base plate 1 and a battery cell clamping assembly 2 as two main structures; the supporting base plate 1, which serves as a supporting component of the jig; the battery cell clamping assembly 2, which is two groups symmetrically and parallelly arranged, the battery cell clamping assembly 2 is arranged on the supporting base plate 1, and a plurality of battery cells are arranged between the two groups of battery cell clamping assemblies 2; the battery cell clamping assembly 2 comprises two symmetrically arranged fixed blocks 21, an intermediate rotating rod 22 and a plurality of battery cell clamps 23, the fixed block 21 is fixedly arranged on the supporting base plate 1, and both ends of the intermediate rotating rod 22 in the length direction are connected with a rotating shaft 24, the rotating shaft 24 is arranged on the fixed block 21, and the rotating shaft 24 is rotatably connected to the fixed block 21, the outer wall of the intermediate rotating rod 22 is provided with a battery cell clamp 23, and a battery cell is arranged between the battery cell clamps 23 of the two groups of battery cell clamping assemblies 2.

[0027] The outer wall of the middle rotating rod 22 is a polyhedron, and a battery cell clamp 23 is provided on each face of the middle rotating rod 22. The battery cell clamp 23 on each face has different structural dimensions, and is suitable for placing batteries of different sizes. The two sides of the battery cell are respectively inserted into the battery cell clamp 23, so that a whole row of battery cells are neatly arranged between the battery cell clamps 23 of the two sets of battery cell clamping assemblies 2. Preferably, the middle rotating rod 22 is a rectangular rod, and the battery cell clamps 23 are provided on the four outer walls of the middle rotating rod 22.

[0028] In the above structure, the two ends of the intermediate rotating rod 22 in the length direction are provided with a transfer block 221, the rotating shaft 24 is arranged on the transfer block 221, the fixed block 21 is provided with an indexing pin 211, and the fixed block 21 and the transfer block 221 are locked by the indexing pin 211. The transfer block 221 is a rectangular block, which plays a role of transfer. The fixed block 21 and the transfer block 221 are locked by the indexing pin 211 to fix the used battery clamp 23. When the battery clamp 23 is replaced, it is only necessary to release the indexing pin 211.

[0029] In the above structure, the fixed block 21 is provided with an oil-free bushing 212, the rotating shaft 24 is arranged in the oil-free bushing 212, and the rotating shaft 24 and the oil-free bushing 212 are rotatably connected. The oil-free bushing 212 is coaxially arranged with the rotating shaft 24, so that the intermediate rotating rod 22 can be rotated stably.

[0030] In the above structure, at least one cell support plate 11 is provided on the support bottom plate 1, and the cell support plate 11 is located between two groups of cell clamping assemblies 2, and the lower end of the cell is placed on the cell support plate 11. The number of the cell support plates 11 is two, and the two cell support plates 11 are symmetrically and parallelly arranged, the cell support plates 11 are rectangular bodies, and the cell support plates 11 are arranged parallel to the middle rotating rod 22.

[0031] Reference Figure 5 As shown, the battery cell fixture 23 includes a rectangular plate 231 and a plurality of battery cell limiting protrusions 232. The rectangular plate 231 is fixedly connected to the outer wall of the middle rotating rod 22. The plurality of battery cell limiting protrusions 232 are fixedly arranged on the rectangular plate 231 in a row, and battery cells are arranged between the plurality of battery cell limiting protrusions 232. The plurality of battery cell limiting protrusions 232 are evenly spaced, and a gap 233 is provided between the plurality of battery cell limiting protrusions 232. The side of the battery cell is placed in the gap 233. The width of the gap 233 of different battery cell fixtures 23 is different, so that it can be suitable for battery cells 100 of different thicknesses. The corner of the battery cell limiting protrusion 232 for placing one end of the battery cell is provided with a chamfer 234, and the chamfer 234 position between the adjacent battery cell limiting protrusions 232 is set in an "eight" shaped opening. When the battery cell fixture 23 is rotated to the use position, the chamfer 234 is located at the side away from the supporting base plate 1 , so that it is convenient to insert the battery cell 100 from the “eight” shaped opening position formed by the supporting base plate 1 .

[0032] In addition, the fixing block 21 is provided with a plurality of circular through holes 213 , and the indexing pins 211 pass through the circular through holes 213 .

[0033] Obviously, the above embodiments are merely examples for the purpose of clear explanation and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from these are still within the scope of protection of the invention of the utility model.

Claims

1. A quick-change jig for aluminum shell batteries, characterized in that: include, A supporting base plate, which serves as a supporting component of the jig; The battery cell clamping assembly is composed of two groups symmetrically and in parallel, the battery cell clamping assembly is arranged on the supporting bottom plate, and a plurality of battery cells are arranged between the two groups of battery cell clamping assemblies; The battery cell clamping assembly includes two symmetrically arranged fixed blocks, an intermediate rotating rod and a plurality of battery cell clamps, wherein the fixed blocks are fixedly arranged on a supporting base plate, both ends of the intermediate rotating rod in the length direction are connected with rotating shafts, the rotating shafts are arranged on the fixed blocks, and the rotating shafts are rotatably connected to the fixed blocks, battery cell clamps are arranged on the outer wall of the intermediate rotating rod, and battery cells are arranged between the battery cell clamps of the two groups of battery cell clamping assemblies.

2. The quick-change jig for aluminum shell batteries according to claim 1, characterized in that: Both ends of the intermediate rotating rod in the length direction are provided with transfer blocks, the rotating shaft is arranged on the transfer block, the fixed block is provided with an indexing pin, and the fixed block and the transfer block are locked by the indexing pin.

3. The quick-change jig for aluminum shell batteries according to claim 1, characterized in that: An oil-free bushing is arranged on the fixed block, the rotating shaft is arranged in the oil-free bushing, and the rotating shaft and the oil-free bushing are rotatably connected.

4. The quick-change jig for aluminum shell batteries according to claim 1, characterized in that: At least one battery cell support plate is disposed on the support bottom plate. The battery cell support plate is located between two groups of battery cell clamping assemblies. The lower end of the battery cell is placed on the battery cell support plate.

5. The quick-change jig for aluminum shell batteries according to claim 4, characterized in that: The number of the battery cell support plates is two, and the two battery cell support plates are symmetrically and parallelly arranged. The battery cell support plates are rectangular bodies, and the battery cell support plates are parallelly arranged with the middle rotating rod.

6. The quick-change jig for aluminum shell batteries according to claim 4 or 5, characterized in that: The middle rotating rod is a rectangular rod, and battery core clamps are arranged on the four outer walls of the middle rotating rod.

7. The quick-change jig for aluminum shell batteries according to claim 1, characterized in that: The battery cell clamp comprises a rectangular plate and a plurality of battery cell limiting protrusions, wherein the rectangular plate is fixedly connected to the outer wall of the middle rotating rod, the plurality of battery cell limiting protrusions are fixedly arranged on the rectangular plate in a row, and battery cells are arranged between the plurality of battery cell limiting protrusions.

8. The quick-change jig for aluminum shell batteries according to claim 7, characterized in that: The plurality of battery cell limiting protrusions are evenly spaced, and gaps are provided between the plurality of battery cell limiting protrusions, and the side edges of the battery cells are placed in the gaps.

9. The quick-change jig for aluminum shell batteries according to claim 7, characterized in that: The battery cell limiting protrusion is used to place a corner of one end of the battery cell and is chamfered, and the chamfered positions between adjacent battery cell limiting protrusions are arranged in an "eight"-shaped opening.

10. The quick-change jig for aluminum shell batteries according to claim 2, characterized in that: The fixing block is provided with a plurality of circular through holes, and the indexing pins pass through the circular through holes.

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