CN212471633U

CN212471633U - Lithium ion battery rolls up core corner cut device

Info

Publication number: CN212471633U
Application number: CN202021141714.1U
Authority: CN
Inventors: 高彬; 李航; 杨广林; 冯莉
Original assignee: Anhui Taineng New Energy Technology Co ltd
Current assignee: Svolt Energy Technology Maanshan Co Ltd
Priority date: 2020-06-18
Filing date: 2020-06-18
Publication date: 2021-02-05
Anticipated expiration: 2030-06-18

Abstract

The utility model discloses a lithium ion battery rolls up core corner cut device belongs to lithium ion battery detection area. In view of prior art, when carrying out the corner cut to the lithium cell roll core and examining, the mode that uses manual blade to cut off frequently goes on, can arouse that the incision is out of shape, the fuzzy scheduling problem in cross-section, the utility model discloses a lithium ion battery rolls up core corner cut device and utilizes the fixing base to roll up the core with the battery fixed, is provided with adjusting device, adjusting device adjustment corner cut angle in the bottom of fixing base one end simultaneously. The cutting angle length is adjusted through the slide rail to the bottom plate. After the angle and the length are adjusted, the cutter is used for cutting the angle. The incision of the battery roll core is ensured to be intact, the cross section is clear, and the subsequent roll core detection result is more accurate. Simultaneously the utility model discloses be provided with multiunit fixing base and cutter, can roll up the core to a plurality of batteries simultaneously and carry out the corner cut operation, improved work efficiency.

Description

Lithium ion battery rolls up core corner cut device

Technical Field

The utility model relates to a lithium ion battery detection area, more specifically say, relate to a lithium ion battery rolls up core corner cut device.

Background

At present, a large number of lithium batteries are applied to the market, and the application of the lithium batteries cannot be separated from digital products such as mobile phones, notebooks and Bluetooth devices and power products such as electric automobiles and electric bicycles. Therefore, the requirement on the quality qualification rate of the lithium ion battery is higher and higher.

Battery safety is an important component of lithium battery performance and is also a key to control during production. Winding is an important process in battery production, and in the production process of batteries, in order to determine the winding effect, corner cutting detection is often required to be performed on a winding core sample to determine the winding alignment degree of the winding core and the like.

At present, after winding is finished, a certain part of the winding core is selected, a manual blade is adopted for beveling, a two-dimensional detector is used for measuring the alignment degree of a diaphragm and a pole piece, and then the winding effect of the winding core is judged.

Through retrieval, the Chinese patent number ZL201620908009.7, the date of the authorized announcement is 3 and 22 in 2017, and the name of the invention creation is as follows: lithium cell rolls up automatic cornering machine of core, the device of this application includes following part: the cutter structure is provided with an upper die cutter and a lower die cutter which are matched with the corner cutting shape of the winding core, the lower die cutter is fixed, and the upper die cutter is driven by a pressure cylinder to move up and down above the upper die cutter; the feeding structure comprises a feeding sucker and a feeding conveying belt, the feeding sucker is provided with a horizontal driving mechanism which moves in a direction vertical to the running direction of the feeding conveying belt, and the feeding mechanism is provided with a vertical driving mechanism; the discharging structure comprises a discharging sucker and a discharging conveying belt, wherein the discharging sucker is provided with the horizontal driving mechanism and the vertical driving mechanism which simultaneously act with the feeding mechanism. However, the application can only carry out corner cutting operation on one winding core at a time, and the use efficiency is low.

Disclosure of Invention

1. Technical problem to be solved by the utility model

In view of prior art, when carrying out the corner cut to the lithium cell roll core and examining, the mode of using manual blade to cut off frequently goes on, can arouse that the incision is out of shape, the fuzzy scheduling problem in cross-section, the utility model discloses a lithium ion battery rolls up core corner cut device utilizes the fixing base to roll up the core with the battery and fixes, recycles the cutter and carries out the corner cut, has guaranteed that the core incision is intact to the battery, and the cross-section is clear, makes follow-up roll core testing result more accurate.

2. Technical scheme

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

the utility model discloses a lithium ion battery roll core corner cutting device, which comprises a cutter, a top plate, a fixed seat, a base and a guide pillar; the guide post is arranged on the base, and the plurality of cutters are movably arranged on the guide post through the top plate; a plurality of fixing bases are arranged on the base, and the positions of the fixing bases are matched with the cutter.

Furthermore, an adjusting device is arranged below one end of the fixed seat, and the adjusting device is also arranged on the base.

Furthermore, the adjusting device comprises a supporting column and an adjusting bolt; one end of the adjusting bolt is fixedly connected with the fixing seat, the other end of the adjusting bolt is in threaded connection with the support column, and the support column is fixed on the fixing seat on the base.

Furthermore, the base is also provided with a bottom plate, and the fixed seat and the adjusting device are both arranged on the bottom plate.

Further, the base plate is slidably mounted on the base.

Furthermore, the base is provided with a plurality of slide rails, and the bottom of the bottom plate is provided with a groove matched with the slide rails.

Furthermore, a plurality of limiting blocks used for limiting the bottom plate are arranged on one side, close to the guide post, of the base.

Furthermore, a bracket is also arranged on the base.

3. Advantageous effects

Adopt the technical scheme provided by the utility model, compare with existing well-known technique, have following beneficial effect:

(1) in view of carrying out the corner cut to the lithium cell book core at present and examining time measuring, the mode of using manual blade to cut off frequently goes on, can arouse that the incision is out of shape, the fuzzy scheduling problem in cross-section, the utility model discloses a lithium ion battery rolls up core corner cut device utilizes the fixing base to roll up the core with the battery and fixes, recycles the cutter and carries out the corner cut, has guaranteed that the core incision is intact to the battery, and the cross-section is clear, makes follow-up book core testing result more accurate.

(2) The utility model discloses a lithium ion battery rolls up core corner cut device is provided with multiunit fixing base and cutter, can roll up the core to a plurality of batteries simultaneously and carry out the corner cut operation, has improved work efficiency.

(3) The utility model discloses a lithium ion battery rolls up core corner cut device sets up the slide rail on the base, and bottom plate accessible spout removes on the slide rail, conveniently adjusts the length that the core was cut off the part of rolling up. Meanwhile, the base is provided with a limiting device, so that the bottom plate cannot be excessively moved.

(4) The utility model discloses a lithium ion battery rolls up core corner cut device is provided with adjusting device in the bottom of fixing base one end, conveniently carries out angle modulation to the fixing base, is convenient for adjust the corner cut angle that the core was rolled up to the battery. Be provided with the support on the base, the accessible support realizes convenient to use to the transfer of device.

Drawings

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

FIG. 2 is a schematic view of the device of the present invention from another angle;

fig. 3 is a front view of the device of the present invention;

fig. 4 is a side view of the device of the present invention;

fig. 5 is a top view of the device of the present invention;

fig. 6 is the installation schematic diagram of the middle angle adjusting device of the present invention.

The reference numerals in the schematic drawings illustrate:

1. a support; 2. a cutter; 3. a top plate; 4. a fixed seat; 5. an adjustment device; 51. a support pillar; 52. adjusting the bolt; 6. a base plate; 7. a base; 8. a slide rail; 9. a guide post; 10. and a limiting block.

Detailed Description

With reference to fig. 1 and fig. 2, the lithium ion battery roll core corner cutting device of the present embodiment includes a support 1, a cutter 2, a top plate 3, a fixing seat 4, an adjusting device 5, a bottom plate 6, a base 7, and a guide pillar 9. The guide posts 9 are arranged on the base 7, and two guide posts 9 are arranged on two sides of the base 7. Two ends of the top plate 3 are sleeved on the two guide posts 9, and the top plate 3 can move up and down on the two guide posts 9. The top plate 3 is fixedly provided with a plurality of cutters 2, and the cutters 2 move on the guide posts 9 along with the top plate 3. The top plate 3 can be moved up and down manually or driven by a motor or an air cylinder. Adopt the cylinder to drive roof 3 and remove in this embodiment, the cylinder is installed on support 1, and the output shaft is connected with roof 3, drives roof 3 and reciprocates. In this embodiment, three cutters 2 are provided in total. The corresponding position of each cutter 2 is provided with a fixed seat 4, and the bottom of one end of each fixed seat 4 is provided with an adjusting device 5. The fixing seat 4 is divided into an upper part and a lower part which are connected through a buckle. After the two parts are connected together, a clamping groove which is suitable for the shape of the battery roll core is formed in the middle of the two parts and is used for fixing the battery roll core.

The lithium ion battery roll core corner cutting device of this embodiment is provided with multiunit cutter 2 and fixing base 4, can roll up a core to a plurality of batteries simultaneously and carry out the corner cutting operation, has improved work efficiency. Meanwhile, the angle of the fixing seat 4 can be adjusted by the adjusting device 5, so that the cutting angle of the battery roll core can be conveniently adjusted. The fixing seat 4 and the adjusting device 5 are arranged on the bottom plate 6 at the same time.

Referring to fig. 5, the bottom of the bottom plate 6 is provided with two grooves, the number of the grooves is the same as that of the slide rails 8 arranged on the base 7, and in this embodiment, the number of the slide rails 8 and the number of the grooves are two. The bottom plate 6 can move on the base 7 through the matching of the groove and the sliding rail 8, and the length of the cut-off part of the winding core is convenient to adjust. The base 7 is provided with a plurality of limiting blocks 10 at positions close to the guide posts 9 for limiting the moving position of the bottom plate 6 and preventing the bottom plate 6 from moving excessively.

Referring to fig. 3, 4 and 6, the adjusting device 5 includes a supporting column 51 and an adjusting bolt 52, one end of the adjusting bolt 52 is connected with the supporting column 51 by a screw, and the other end is disposed in a hole formed in the bottom surface of the fixing base 4. Adjusting bolt 52 adjusts the extension length through the screw thread, and then jacking fixing base 4 reaches the purpose of adjusting the 4 angles of fixing base.

The base 7 on still be provided with support 1, device accessible support 1 removes convenient to use is swift.

The device of this embodiment is used as follows:

firstly, the battery roll core is fixed by the fixing seat 4, and the angle of the fixing seat 4 is adjusted by the adjusting device 5. After the adjustment is completed, the bottom plate 6 is manually pushed to the position of the limiting block 10 by the slide rail 8. And then the top plate 3 drives the cutter 2 to press downwards, the battery roll core is subjected to corner cutting operation, the battery roll core is taken out after the operation is finished, and each part is reset, namely the corner cutting of the battery roll core is finished. The device of this embodiment has guaranteed that the battery rolls up the core incision intact, and the cross-section is clear, makes follow-up roll core testing result more accurate.

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 lithium ion battery rolls up core corner cut device, includes base (7), its characterized in that: the cutting knife device also comprises a cutting knife (2), a top plate (3), a fixed seat (4) and a guide post (9); the guide post (9) is arranged on the base (7), and the plurality of cutters (2) are movably arranged on the guide post (9) through the top plate (3); a plurality of fixing seats (4) are arranged on the base (7), and the positions of the fixing seats (4) are matched with the cutter (2).

2. The lithium ion battery roll core corner cutting device according to claim 1, characterized in that: an adjusting device (5) is arranged below one end of the fixed seat (4), and the adjusting device (5) is also arranged on the base (7).

3. The lithium ion battery roll core corner cutting device according to claim 2, characterized in that: the adjusting device (5) comprises a supporting column (51) and an adjusting bolt (52); one end of the adjusting bolt (52) is fixedly connected with the fixed seat (4), the other end of the adjusting bolt is in threaded connection with the supporting column (51), and the supporting column (51) is fixed on the fixed seat on the base (7).

4. The lithium ion battery roll core corner cutting device according to any one of claims 1 to 3, characterized in that: the base (7) is further provided with a bottom plate (6), and the fixing seat (4) and the adjusting device (5) are both arranged on the bottom plate (6).

5. The lithium ion battery roll core corner cut device of claim 4, characterized in that: the bottom plate (6) is slidably mounted on the base (7).

6. The lithium ion battery roll core corner cut device of claim 5, characterized in that: the base (7) is provided with a plurality of slide rails (8), and the bottom of the bottom plate (6) is provided with a groove matched with the slide rails (8).

7. The lithium ion battery roll core corner cut device of claim 6, characterized in that: and a plurality of limiting blocks (10) used for limiting the bottom plate (6) are arranged on one side, close to the guide post (9), of the base (7).

8. The lithium ion battery roll core corner cut device of claim 7, characterized in that: the base (7) is also provided with a bracket (1).