CN216606849U

CN216606849U - Button cell slicer

Info

Publication number: CN216606849U
Application number: CN202123376685.4U
Authority: CN
Inventors: 李静; 吴晶丽; 张帆
Original assignee: Hunan Changyuan Lico Co Ltd; Jinchi Energy Materials Co Ltd
Current assignee: Hunan Changyuan Lico Co Ltd; Jinchi Energy Materials Co Ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-05-27
Anticipated expiration: 2031-12-30

Abstract

The utility model relates to the technical field of battery slicing, and discloses a button battery slicer which comprises a base and a punching mechanism, wherein the punching mechanism comprises a punching disc and punches arranged on the punching disc, an objective table is arranged on the base and used for placing a battery punching film, and a plurality of punches with different diameters and specifications are arranged on the punching disc so as to punch pole pieces with different diameters. A plurality of punches with different diameters are arranged on the punching disc, so that pole pieces with various sizes can be punched at one time; the punching part of the punch is in threaded connection with the sleeve ring part, the punching part is simply screwed into the sleeve ring part to a certain depth, so that the punch can not punch the battery punching film, and an operator can flexibly select the punch needing punching according to actual needs. When the drift moves down and carries out die-cut operation, elastomeric element can play die-cut cushioning effect, can prevent that the drift from being impaired, can prevent again through automatic kick-back when die-cut that the battery under the punch card from punching the hole membrane, avoids simultaneously that the pole piece that dashes out has deckle edge.

Description

Button cell slicer

Technical Field

The utility model relates to the technical field of battery slicing, in particular to a button cell slicing machine.

Background

The positive electrode material (mainly comprising lithium cobaltate, lithium manganate, ternary material, lithium iron phosphate and the like) is a core component for preparing the lithium ion battery (the lithium ion battery mainly comprises the positive electrode material, the negative electrode material, electrolyte and a diaphragm), and the performance of the positive electrode material directly determines the basic performance of the lithium battery; therefore, before the material is used, the performance of the positive electrode material is evaluated more importantly, except for the most basic powder detection (mainly granularity, specific surface area, moisture, tap and the like), the electrical performance detection is more important, except for full battery detection and analysis, common positive electrode material manufacturers mainly adopt a button half cell to evaluate the electrical performance of the material, in the process of manufacturing the positive electrode material into a button cell, a slicer, which is an important device, is used, and the main function of the device is to punch a pole piece with a corresponding size from a manufactured large pole piece according to the specification of the button cell, so that the material can be assembled into the button cell for evaluation.

When punching the pole piece or the diaphragm of different diameter size in button cell manufacturing process, all need manual dismantlement to change die-cut mould rear and can accomplish not unidimensional pole piece die-cut, and need spend a lot of time to aim at die-cut mould about just can guarantee to cut off the pole piece fast and not have deckle edge in the change process. Therefore, frequent manual replacement of the die is not beneficial to the adjustment of the punching accuracy, and meanwhile, the working efficiency is reduced. The punched pole piece has burrs which affect the performance of the electrical performance.

Disclosure of Invention

The technical problem to be solved by the utility model is to overcome the defects of the prior art and provide the button cell slicer capable of punching pole pieces with multiple specifications at one time.

The purpose of the utility model is realized by the following technical scheme:

the utility model provides a button cell slicer, includes base and die-cut mechanism, and die-cut mechanism includes die-cut dish and the drift of setting on die-cut dish, sets up the objective table on the base and is used for placing the battery membrane of punching a hole, is equipped with the drift of a plurality of different diameter specifications on the die-cut dish to the pole piece of different diameters is cut out in the die-cut.

Further, the punch is detachably mounted on the punching disc through a screw.

Furthermore, the drift is including connecting portion, lantern ring portion and the die-cut portion that sets gradually, is equipped with the mounting hole on the die-cut dish and supplies drift connecting portion to insert the connection, and lantern ring portion has the hole and supplies die-cut portion to stretch into the cooperation installation, and lantern ring portion hole is established and is adjusted the structure and make die-cut portion can do in the lantern ring portion and stretch into length adjustment.

Still further, the regulation structure is the helicitic texture, and die-cut portion tip is equipped with the external screw thread with the helicitic texture adaptation.

Furthermore, each punch is sleeved with an elastic component, one end of the elastic component is connected to the punching disc, the other end of the elastic component extends to the tail end of the covered punch, and the elastic component can control the punch to rebound rapidly after the punch moves downwards to punch and cut the battery punching film.

Furthermore, the elastic component comprises a spring, an upper mounting disc and a lower mounting disc which are respectively arranged at two ends of the spring, and the upper mounting disc is connected with the punching disc.

And furthermore, the thickness of the upper mounting plate is 4-8 mm.

And furthermore, the thickness of the lower mounting plate is 4-8 mm.

Compared with the prior art, the utility model has the following beneficial effects:

1) the punching disc is provided with a plurality of punches with different diameters, so that pole pieces with various sizes can be punched at one time; the punch is detachably connected with the punching disc, and punches with different diameters can be replaced at any time;

2) the punching part of the punch is in threaded connection with the sleeve ring part, and the punch can not punch the battery punching film only by simply screwing the punching part into the sleeve ring part to a certain depth, so that an operator can flexibly select the punch needing punching according to actual needs;

3) when the drift moves down and carries out die-cut operation, elastomeric element can play die-cut cushioning effect, can prevent that the drift from being impaired, can prevent again through automatic kick-back when die-cut that the battery under the punch card from punching the hole membrane, avoids simultaneously that the pole piece that dashes out has deckle edge.

Drawings

FIG. 1 is a schematic diagram of a button cell microtome according to example 1;

FIG. 2 is a schematic view of a die cutting disk according to embodiment 1 with a punch provided thereon;

fig. 3 is a schematic view of the battery punching film in example 1 after being punched by a punch;

FIG. 4 is a schematic structural view of a punch in embodiment 1;

FIG. 5 is a schematic structural view of an elastic member in example 1;

fig. 6 is a schematic structural view of the elastic component sleeved on the periphery of the punch.

Detailed Description

The present invention will be further described with reference to the following detailed description, wherein the drawings are provided for illustrative purposes only and are not intended to be limiting; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Example 1

The button cell slicer shown in fig. 1 comprises a base 1 and a punching mechanism 2, referring to fig. 2, the punching mechanism 2 comprises a punching disc 3 and punches 4 arranged on the punching disc, the punching disc 3 is generally a circular disc, an object stage is arranged on the base 1 for placing a battery punching film 5, a plurality of punches 4 with different diameters are arranged on the punching disc 3 for punching pole pieces with different diameters, the plurality of punches 4 on the punching disc 3 are preferably regularly distributed and generally annularly distributed, wherein the punches 4 are detachably mounted on the punching disc 3 through screws; fig. 3 shows a state of the battery punched film after punching by the punch shown in fig. 2.

According to the battery slicer, the plurality of punches with different diameters are arranged on the punching disc, so that compared with the conventional slicer on the market, the upper and lower slicing dies do not need to be frequently replaced, the slicing position does not need to be adjusted, the punching of pole pieces or diaphragms with different diameters can be completed at one time, and the diameter specification of the punches can be replaced according to actual requirements as the punches are detachably connected with the punching disc; the work difficulty of changing the die by detection personnel is greatly reduced, and the work efficiency and the accuracy of a test result are greatly improved.

As shown in fig. 4, the punch 4 includes a connecting portion 41, a collar portion 42 and a punching portion 43, which are sequentially arranged, the punching disc 3 is provided with a mounting hole for the punch connecting portion 41 to be inserted and connected, the connecting portion 41 and the collar portion 42 are generally integrally formed, the collar portion 42 is provided with an inner hole for the punching portion 43 to be inserted and installed in a matching manner, and the inner hole of the collar portion 42 is provided with an adjusting structure so that the punching portion 43 can be adjusted in the collar portion 42 in a length manner; in order to make the adjustment of the punching section 43 in the collar section easier and more convenient, the adjustment structure is preferably designed as a thread structure, while the end of the punching section 43 is provided with an external thread adapted to the thread structure. Through making the regulation of screwing in and unscrewing punching part 43 in lantern ring part 42, be equivalent to can make drift 4 carry out "up-and-down" regulation, when a plurality of drifts that distribute on the punching dish need not all to carry out die-cut, only need to put into the punching part of the drift of die-cut operation to screw in the lantern ring part that corresponds, make this drift "move up" shrink to avoid punching out the pole piece of unnecessary size and cause the waste.

Each punch 4 is further sleeved with an elastic component 6, one end of the elastic component is connected to the punching disc 3, the other end of the elastic component extends to the tail end of the covered punch 4, the elastic component 6 can control the punch 4 to rebound rapidly after the punch 4 moves downwards to punch and cut the battery punching film 5, specifically, as shown in fig. 5 and 6, the elastic component 6 comprises a spring 61 and an upper mounting disc 62 and a lower mounting disc 63 which are respectively arranged at two ends of the spring, and the upper mounting disc 62 is connected with the punching disc 3 through screws; the thickness of the upper mounting plate 62 and the lower mounting plate 63 is set to be 4-8 mm.

Above-mentioned elastomeric element can play the cushioning effect when the drift is die-cut, can prevent that the drift is impaired, can prevent again when die-cut through automatic kick-back under the card battery towards the hole membrane, can effectively avoid the pole piece that dashes out to have deckle edge simultaneously again.

The other structures of the button cell slicer of the present application are completely the same as those of the conventional slicer, for example, the slicing operation process of the conventional slicer is shown in the website https:// v.youku.com/v _ show/id _ XMTM4NzI5NzA3Ng = =, so the rest of the structural settings of the slicer of the present application are not repeated in the present application.

It should be understood that the above examples are only for clearly illustrating the technical solutions of the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides a button cell slicer, includes base and die-cut mechanism, and die-cut mechanism includes die-cut dish and the drift of setting on die-cut dish, sets up the objective table on the base and is used for placing battery punching film, its characterized in that, be equipped with the drift of a plurality of different diameter specifications on the die-cut dish to the pole piece of different diameters is cut out in the die-cut.

2. The coin cell microtome of claim 1, wherein the punch is removably mounted to the die cutting disk by screws.

3. The button cell slicer according to claim 2, wherein the punch comprises a connecting portion, a collar portion and a punching portion, the connecting portion, the collar portion and the punching portion are sequentially arranged, the punching plate is provided with a mounting hole for the punch connecting portion to be inserted and connected, the collar portion is provided with an inner hole for the punching portion to extend into the fitting installation, and the inner hole of the collar portion is provided with an adjusting structure for enabling the punching portion to be capable of adjusting the extending length in the collar portion.

4. The coin cell slicer of claim 3 wherein the adjustment structure is a threaded structure and the end of the die cut portion is externally threaded to accommodate the threaded structure.

5. The coin cell slicer of claim 1, wherein each punch is sleeved with a resilient member, one end of the resilient member is connected to the punching disc, and the other end of the resilient member extends to cover the end of the punch, and the resilient member controls the punch to rapidly rebound after the punch has moved downwards to punch the punched film of the battery.

6. The coin cell microtome of claim 5, wherein the resilient member comprises a spring and upper and lower mounting plates disposed at opposite ends of the spring, respectively, the upper mounting plate being attached to the blanking plate.

7. The button cell slicer of claim 6, wherein the upper mounting plate has a thickness of 4-8 mm.

8. The button cell slicer of claim 6, wherein the lower mounting plate has a thickness of 4-8 mm.