CN211661179U

CN211661179U - Utmost point ear cuts mechanism

Info

Publication number: CN211661179U
Application number: CN201921704258.4U
Authority: CN
Inventors: 王华文; 许勋毓; 李恩; 刘文峰
Original assignee: Sunwoda Electric Vehicle Battery Co Ltd
Current assignee: Xinwangda Power Technology Co ltd
Priority date: 2019-10-12
Filing date: 2019-10-12
Publication date: 2020-10-13
Anticipated expiration: 2029-10-12

Abstract

The utility model discloses a utmost point ear cuts mechanism, including support, cylinder, connecting plate, first cutter, second cutter, electric core fixing device and base. In the process of cutting the lug, the lug cutting mechanism provided by the disclosure can send an alarm when the lug of the soft-package battery cell is reversely arranged, so that an operator is reminded to correct the lug, and the cutting error rate of the lug of the soft-package battery cell is reduced; meanwhile, the lugs can be cut into different shapes by the first cutter and the second cutter, so that the risk of short circuit caused by reverse installation when the soft package battery cell is assembled into a module is reduced; in addition, electric core fixing device on the base is adjustable for this device can be according to the length of actual demand adjustment tailor utmost point ear, and the flexibility is higher, and the range of application is wider.

Description

Utmost point ear cuts mechanism

Technical Field

The utility model relates to a battery preparation technical field, especially a utmost point ear cuts mechanism.

Background

In order to respond to the relevant policy of the 'thirteen-five' planning of national renewable energy, various large enterprises are added into the development of new energy industry. Lithium ion batteries are increasingly widely used in the fields of various electronic products, new energy vehicles and other energy solutions due to the advantages of high voltage, large energy ratio, long cycle life, good safety performance, small self-discharge, large working temperature range and the like. In the manufacturing of new energy automobile power batteries, the manufacturing of lithium ion battery pack modules for energy supply becomes the mainstream manufacturing method of power batteries, and lithium ion batteries also have many different types, and different battery cores need to be processed in different manners to form modules.

In the process of assembling the soft-package power battery, the processing of the pole lug of the soft-package battery core is an indispensable procedure. In order to ensure the correct installation of the anode and the cathode in the battery cell assembling process, the tabs of the battery cells need to be cut into different shapes, so that the short circuit of the whole module is prevented. The utmost point ear guillootine on the present market has only contained the function that utmost point ear was tailor, can not distinguish electric core positive and negative poles, and tailors the unanimous shape of back electric core positive and negative pole, causes the condition of battery module short circuit after the electric core installation easily to appear.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a utmost point ear cuts mechanism.

In order to realize the utility model discloses an aim, the technical scheme who adopts is: a tab cutting mechanism comprises a support, a cylinder, a connecting plate, a first cutter, a second cutter, a battery cell fixing device and a base. The support mounting is in on the base, the cylinder install in on the support, the power take off end of cylinder with the connecting plate is connected, first cutter, the second cutter through the prepressing mechanism with the connecting plate is connected, electric core fixing device set up in on the base, the base with first cutter, the department design of second cutter correspondence position has the cutter tray, the cutter tray links together with alarm module and constitutes the return circuit, sends out the police dispatch newspaper when the electrode is put conversely.

Further, the cutter tray is made of a conductive material.

Further, the first cutter, the second cutter and the cutter tray are matched with each other.

Further, the first cutter, the second cutter and the cutter tray may be designed in various shapes.

Further, electric core fixing device becomes "U" shape structure, rises by side and base and constitutes, the side with the bottom plate side be parallel to each other set up in on the bottom plate for fixed laminate polymer battery side, the base perpendicular with the side sets up and keeps away from one side of support is used for fixed laminate polymer battery's bottom.

Further, the position of the bottom edge on the base is adjustable.

Furthermore, the prepressing mechanism comprises an opening on the connecting plate, a mandril penetrating through the opening and used for fixing the first cutter and the second cutter, and a spring arranged on the periphery of the mandril and capable of promoting the mandril to extend out of the connecting plate towards the direction of the base.

Further, the ejector rod can extend out towards the cylinder direction on the opening hole.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses in the process of cutting out the utmost point ear, alarm system can send the warning when soft-packaged electrical core utmost point ear is put upside down, reminds operating personnel to revise, has reduced soft-packaged electrical core utmost point ear and has cut out the error rate; meanwhile, the lugs can be cut into different shapes by the first cutter and the second cutter, so that the risk of short circuit caused by reverse installation when the soft package battery cell is assembled into a module is reduced; in addition, utmost point ear fixing device on the base is adjustable for the length of utmost point ear can be tailor according to actual demand adjustment to this device, and the flexibility is higher, and the range of application is wider.

Drawings

Fig. 1 is a top view of a tab cutting mechanism according to the present invention.

Fig. 2 is a schematic structural view of a cylinder portion of the tab cutting mechanism of the present invention.

The cutting device comprises a support 1, a cylinder 2, a connecting plate 3, a first cutter 4, a second cutter 5, a fixing device 6, a side 61, a bottom 62, a base 7, a prepressing mechanism 8, an opening 81, an ejector rod 82, a spring 83 and a cutter tray 9.

Detailed Description

The present invention will be described in further detail with reference to the drawings and specific embodiments, it being understood that the specific embodiments described herein are merely illustrative of the invention and are not to be considered as limiting.

As shown in fig. 1 and 2, the utility model provides a pair of utmost point ear cuts mechanism, including support (1), cylinder (2), connecting plate (3), first cutter (4), second cutter (5), electric core fixing device (6) and base (7). Support (1) is installed on the base (7), cylinder (2) are installed on support (1), the power take off end and connecting plate (3) of cylinder (2) are connected, first cutter (4), second cutter (5) are connected with connecting plate (3) through prepressing mechanism (8), electric core fixing device (6) set up on the base (7), on the base (7) with first cutter (4), second cutter (5) correspond position department design have cutter tray (9), cutter tray (9) link together with alarm module and constitute the return circuit, send out the police dispatch newspaper when the electrode is put conversely.

Further, the cutter tray (9) is made of conductive materials.

Furthermore, the first cutter (4) and the second cutter (5) are matched with the cutter tray (9).

Further, the first cutter (4), the second cutter (5) and the cutter tray (9) can be designed into different shapes.

Further, electric core fixing device becomes "U" shape structure, plays to constitute by side (61) and base (62), side (61) and bottom plate side be parallel to each other set up in on the bottom plate for fixed laminate polymer battery side, base (62) perpendicular and side (61) set up and are keeping away from one side of support for fixed laminate polymer battery's bottom.

Further, the position of the bottom edge (62) on the base is adjustable.

Furthermore, the pre-pressing mechanism (8) comprises an opening (81) in the connecting plate (3), a push rod (82) penetrating through the opening (81) and used for fixing the first cutter (4) and the second cutter (5), and a spring (83) arranged on the periphery of the push rod (82) and capable of enabling the push rod (82) to extend out of the connecting plate (3) towards the base (7).

Furthermore, the top rod (82) is capable of extending towards the cylinder (2) on the opening (81).

Cutter tray (9) of design on base (7) are electrically conductive material, and at the in-process that carries out soft-packaged electrical core utmost point ear and cut, the anodal negative pole of electric core passes through utmost point ear and is connected with cutter tray (9) electricity, makes soft-packaged electrical core, cutter tray (9), alarm module electricity is connected and is formed closed circuit, and when placing backward when soft-packaged electrical core positive negative pole, the electric current among the alarm module is reverse, and alarm module will send alarm signal.

As shown in fig. 2, a cell fixing device (6) is designed on the base, and the cell fixing device (6) includes two side edges (61) and a bottom edge (62). When carrying out soft-packaged electrical core utmost point ear and cutting, place soft-packaged electrical core in fixing device with the mode that soft-packaged electrical core side is on a parallel with side (61) of electric core fixing device (6), the position of soft-packaged electrical core utmost point ear on cutter tray (9) is adjusted to the base that removes electric core fixing device (6). After the soft package battery cell is fixed, the first cutter (4) and the second cutter (5) are driven by the cylinder (2) to extrude towards the direction of the base and cooperate with the cutter tray (9) to complete the tab cutting work.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. The utility model provides a utmost point ear cuts mechanism, includes support, cylinder, connecting plate, first cutter, second cutter, electric core fixing device and base, the support mounting be in on the base, the cylinder install in on the support, the power take off end of cylinder with the connecting plate is connected, first cutter the second cutter through prepressing mechanism with the connecting plate is connected, electric core fixing device set up in on the base, on the base with first cutter the second cutter corresponds position department's design and has the cutter tray, a serial communication port, the cutter tray is connected with alarm module electricity and is constituted the return circuit together, sends out the police dispatch newspaper when the electrode is put conversely.

2. The tab cutting mechanism as claimed in claim 1, wherein: the cutter tray is made of conductive materials.

3. The tab cutting mechanism as claimed in claim 1, wherein: the first cutter, the second cutter and the cutter tray are matched with each other.

4. The tab cutting mechanism as claimed in claim 1, wherein: the first cutter, the second cutter, and the cutter tray may be designed in different shapes.

5. The tab cutting mechanism as claimed in claim 1, wherein: the battery cell fixing device is of a U-shaped structure and is composed of a side edge and a bottom edge, the side edge and the side edge of the bottom plate are parallel to each other and are arranged on the bottom plate and used for fixing the side edge of the soft package battery, and the bottom edge is perpendicular to the side edge and is arranged on one side of the support and used for fixing the bottom end of the soft package battery.

6. The tab cutting mechanism as claimed in claim 5, wherein: the position of the bottom edge on the base is adjustable.

7. The tab cutting mechanism as claimed in claim 1, wherein: the prepressing mechanism comprises an opening on the connecting plate, a mandril which penetrates through the opening and is used for fixing the first cutter and the second cutter, and a spring which is arranged on the periphery of the mandril and can promote the mandril to extend out of the connecting plate towards the direction of the bottom plate.

8. The tab cutting mechanism as claimed in claim 7, wherein: the ejector rod can extend out towards the cylinder direction on the opening hole.