CN210092257U

CN210092257U - Capacity grading clamp device of silicon-carbon cathode battery

Info

Publication number: CN210092257U
Application number: CN201921249948.5U
Authority: CN
Inventors: 常伟晓; 赖桂棠; 秦军; 焦玉志; 李胜
Original assignee: Ma'anshan Keda Pu Rui Energy Technology Co Ltd; Anhui Keda New Materials Co Ltd
Current assignee: Ma'anshan Keda Pu Rui Energy Technology Co Ltd; Anhui Keda New Materials Co Ltd
Priority date: 2019-08-05
Filing date: 2019-08-05
Publication date: 2020-02-18
Anticipated expiration: 2029-08-05

Abstract

The utility model discloses a partial volume clip device of silicon carbon negative pole battery belongs to battery manufacturing technical field. The utility model discloses a fixed orifices has been seted up to splint, the inboard of splint, and the spaced spacing torsional spring spacing hole that is equipped with on the face of splint, the inside flexible groove that is equipped with of one side lower extreme that splint are relative, flexible inslot portion is provided with the contact post, is provided with coupling spring between the adjacent contact post. The utility model discloses a contact column carries out the centre gripping with electric core utmost point ear, and connecting spring establishes ties with establishing ties of contact column to make and to become the face by original line junction between contact column and the electric core utmost point ear and connect, thereby reduce the resistance of clip conductor, reduce the heat that the clip produced in the course of the work in step, the contact column top is the elasticity soft metal, can freely warp in order to obtain the best area of contact, reduced operator's working strength, improve production efficiency, reduction in production cost.

Description

Capacity grading clamp device of silicon-carbon cathode battery

Technical Field

The utility model relates to a battery manufacturing technical field, more specifically say, relate to a partial volume clip device of silicon carbon negative pole battery.

Background

The silicon-carbon cathode is used as a novel lithium ion battery cathode material and is more efficient than the current graphite cathode in the aspect of improving the energy density of the battery. However, because of the high barrier in the application aspect, the lithium ion battery is still in the early stage of industrialization in China, at present, in the process of producing the lithium ion battery, after the battery core is assembled, the battery core is generally required to be subjected to formation, grading and activation and can be used after being smoothly activated, and the formation and grading equipment is made of metal materials and insulating materials, so that a large amount of heat generated in the electrifying process can greatly influence the service life of the equipment.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved by the utility model

An object of the utility model is to overcome prior art not enough, provide a partial volume clip device of silicon carbon negative pole battery, the utility model discloses a connecting spring establishes ties with establishing ties of contact post to make and become the face by original line connection between contact post and the electric core utmost point ear and be connected, and then greatly increased the area of contact between contact post and the utmost point ear, thereby reduce the resistance of clip conductor, reduce the heat that the clip produced in the course of the work in step.

2. Technical scheme

In order to achieve the above purpose, the utility model provides a technical scheme does:

the utility model relates to a capacity grading clamp device of a silicon-carbon cathode battery, which comprises two groups of clamp plates, wherein the inner sides of the clamp plates are provided with fixing holes, the surfaces of the clamp plates are provided with torsional spring limiting holes at intervals, the limiting holes of the torsion springs are symmetrically arranged at two sides of the fixing hole, a fixing block is arranged between the adjacent clamping plates, a connecting shaft is arranged at the inner side of the fixing block, the outer ring of the connecting shaft is sleeved with a torsional spring, both ends of the torsional spring are fixedly connected with torsional spring limiting columns, the lower end of one side of the clamping plate opposite to the clamping plate is internally provided with a telescopic groove, the telescopic grooves are provided with four groups, contact posts are arranged in the telescopic grooves, clamping grooves are formed in the bottom ends of the contact posts, limiting springs are arranged in the clamping grooves, limiting blocks are arranged on two sides of the contact posts, the contact columns are provided with four groups, a connecting spring is arranged between every two adjacent contact columns, and two ends of the connecting spring are fixedly connected with the contact columns in series.

Furthermore, the clamping plates are fixedly assembled with each other through fixing blocks and connecting shafts.

Furthermore, one end of the torsion spring limiting column extends into the torsion spring limiting hole.

Furthermore, the limiting block is positioned inside the telescopic groove, and the contact column is clamped in the telescopic groove through the limiting block.

Furthermore, the top end of the contact column is made of elastic soft metal.

3. Advantageous effects

Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:

the utility model discloses a contact post carries out the centre gripping with electric core utmost point ear, and connecting spring establishes ties with establishing ties of contact post to make and to become the face by original line connection between contact post and the electric core utmost point ear and connect, and then greatly increased the area of contact between contact post and the utmost point ear, thereby reduce the resistance of clip conductor, reduce the heat that the clip produced in the course of the work in step, the utility model discloses simple structure, the modern design, contact post top are the elasticity soft metal, can freely warp in order to obtain the best area of contact, have reduced operation person's working strength, have improved production efficiency, have reduced manufacturing cost.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic view of the structure of the splint of the present invention;

fig. 4 is a schematic view of the working structure of the contact column of the present invention.

In the figure: 1. a splint; 2. a fixing hole; 3. a torsion spring limiting hole; 4. a fixed block; 5. a connecting shaft; 6. a torsion spring; 7. a torsion spring limiting column; 8. a contact post; 9. a connecting spring; 10. a telescopic groove; 11. a card slot; 12. a limiting block; 13. and a limiting spring.

Detailed Description

The invention is further described with reference to the following figures and examples:

example 1

As can be seen from fig. 1-4, the capacity grading clamp device for a silicon-carbon negative electrode battery of the present embodiment includes two sets of clamp plates 1, the two sets of clamp plates 1 are arranged to clamp each other when in use, the inner side of the clamp plate 1 is provided with a fixing hole 2, the clamp plate 1 is fixed in a capacity grading cabinet under the action of the fixing hole 2 to avoid falling off during capacity grading, torsion spring limiting holes 3 are arranged on the plate surface of the clamp plate 1 at intervals, the torsion spring limiting holes 3 are symmetrically arranged on both sides of the fixing hole 2, the torsion spring limiting holes 3 can be fixed with respect to a torsion spring 6 to facilitate clamping, a fixing block 4 is arranged between adjacent clamp plates 1, a connecting shaft 5 is arranged on the inner side of the fixing block 4, the clamp plates 1 are fixedly assembled with each other through the fixing block 4 and the connecting shaft 5, a battery core tab is clamped between adjacent clamp plates 1, the fixing block 4 and the connecting shaft, so as to be more stable when clamping the electric core lug, the outer ring of the connecting shaft 5 is sleeved with the torsional spring 6, one end of the torsional spring limiting post 7 extends to the inside of the torsional spring limiting hole 3, the torsional spring limiting post 7 can be prevented from twisting in working, the stability of the torsional spring 6 is ensured, the torsional spring 6 can enable the whole fixture to have better clamping force and be more stable when clamping is carried out, the two ends of the torsional spring 6 are fixedly connected with the torsional spring limiting posts 7, the telescopic grooves 10 are arranged in the lower end of one side opposite to the clamping plate 1, the telescopic grooves 10 are provided with four groups, the contact posts 8 are arranged in the telescopic grooves 10, the bottom ends of the contact posts 8 are provided with clamping grooves 11, the limiting springs 13 are arranged in the clamping grooves 11, the two sides of the contact posts 8 are provided with limiting blocks 12, the limiting blocks 12 are positioned in the telescopic grooves 10, the contact posts 8, Drop, contact column 8 is equipped with four groups, is provided with connecting spring 9 between the adjacent contact column 8, and connecting spring 9 is provided with three groups, and connecting spring 9's both ends are fixed concatenating with contact column 8, and contact column 8 top is the soft metal of elasticity, can further increase area of contact.

Contact post 8 is accomodate to flexible groove 10, presss from both sides when power is too big, and connecting spring 9 atress compression, contact post 8 effectively avoids damaging because of the too big electric core utmost point ear that leads to of clamp power to the inside withdrawal of flexible groove 10, and contact post 8 can make electric core utmost point ear connect, and draw-in groove 11 supports spring 13, carries out the centre gripping in-process to electric core utmost point ear and can stretch out and draw back, avoids electric core utmost point ear to damage.

When in use, the fixing block 4 and the connecting shaft 5 are matched for use, so that two groups of clamping plates 1 can be fixed, the torsional spring 6 is sleeved on the surface of the connecting shaft 5 during installation, the torsional spring limiting post 7 is fixedly arranged inside the torsional spring limiting hole 3, the battery cell lug is clamped through the contact post 8 during work, the contact post 8 is connected in series through the connecting spring 9, so that the original line connection between the contact post 8 and the battery cell lug can be changed into surface connection, the contact area between the contact post 8 and the lug is greatly increased, the resistance of a clamp conductor can be reduced by increasing the contact area, and the heat generated by the clamp during the work process is reduced. The production cost is reduced.

The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.

Claims

1. The utility model provides a partial volume clip device of silicon carbon negative pole battery, includes splint (1), its characterized in that: the novel contact column clamping device is characterized in that the clamping plates (1) are provided with two groups, the inner sides of the clamping plates (1) are provided with fixing holes (2), the surfaces of the clamping plates (1) are provided with torsional spring limiting holes (3) at intervals, the torsional spring limiting holes (3) are symmetrically arranged on two sides of the fixing holes (2), a fixing block (4) is arranged between the adjacent clamping plates (1), the inner sides of the fixing blocks (4) are provided with connecting shafts (5), the outer ring of each connecting shaft (5) is sleeved with a torsional spring (6), two ends of each torsional spring (6) are fixedly connected with torsional spring limiting columns (7), telescopic grooves (10) are arranged inside the lower end of one opposite side of each clamping plate (1), the telescopic grooves (10) are provided with four groups, contact columns (8) are arranged inside the telescopic grooves (10), clamping grooves (11) are arranged at the bottom ends of the contact columns (8), limiting springs (13) are arranged, the contact columns (8) are provided with four groups, a connecting spring (9) is arranged between every two adjacent contact columns (8), and two ends of the connecting spring (9) are fixedly connected with the contact columns (8) in series.

2. The capacity-grading clamp device for the silicon-carbon negative electrode battery as claimed in claim 1, wherein: the clamping plates (1) are fixedly assembled with each other through the fixing blocks (4) and the connecting shafts (5).

3. The capacity-grading clamp device for the silicon-carbon negative electrode battery as claimed in claim 1, wherein: one end of the torsion spring limiting column (7) extends into the torsion spring limiting hole (3).

4. The capacity-grading clamp device for the silicon-carbon negative electrode battery as claimed in claim 1, wherein: the limiting block (12) is located inside the telescopic groove (10), and the contact column (8) is clamped in the telescopic groove (10) through the limiting block (12).

5. The capacity-grading clamp device for the silicon-carbon negative electrode battery as claimed in claim 1, wherein: the top end of the contact column (8) is made of elastic soft metal.