CN112338621A

CN112338621A - Lithium battery pole piece cutting auxiliary device

Info

Publication number: CN112338621A
Application number: CN202011181676.7A
Authority: CN
Inventors: 徐伟
Original assignee: Guangdong Polytechnic Normal University
Current assignee: Guangdong Polytechnic Normal University
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-02-09
Anticipated expiration: 2040-10-29
Also published as: CN112338621B

Abstract

The invention is suitable for the technical field of auxiliary equipment for lithium battery production, and provides an auxiliary device for cutting a lithium battery pole piece, which comprises: the connecting plate is provided with a connecting groove, a bolt is arranged in the connecting groove, and a nut is arranged on the bolt; first backup pad is installed to connecting plate one end, the fixed plate is installed to the first backup pad other end, install the rotating electrical machines on the fixed plate, install the automatic device that turns to on the rotating electrical machines, the air exhauster is installed to the automatic device other end that turns to, install the suction opening on the air exhauster, the device passes through the connecting plate, links to each other whole device and pole piece cutting device, aims at the position of pole piece cutting with the suction opening of air exhauster, makes its dust that constantly extracts the cutting in-process and produces, can drive air exhauster and suction opening through the automatic device that turns to simultaneously, makes it constantly change convulsions the direction, makes the in-process of pole piece cutting can obtain omnidirectional dust removal, and then promotes the performance of lithium cell.

Description

Lithium battery pole piece cutting auxiliary device

Technical Field

The invention belongs to the technical field of auxiliary equipment for lithium battery production, and particularly relates to an auxiliary device for cutting a lithium battery pole piece.

Background

A "lithium battery" is a type of battery using a nonaqueous electrolyte solution with lithium metal or a lithium alloy as a positive/negative electrode material. Because the chemical characteristics of lithium metal are very active, the requirements on the environment for processing, storing and using the lithium metal are very high. With the development of scientific technology, lithium batteries have become the mainstream.

Lithium batteries can be broadly classified into two types: lithium metal batteries and lithium ion batteries. Lithium ion batteries do not contain lithium in the metallic state and are rechargeable. The fifth generation of rechargeable batteries, lithium metal batteries, was born in 1996, and the safety, specific capacity, self-discharge rate and cost performance of rechargeable batteries were all superior to those of lithium ion batteries. Due to its own high technical requirement limits, only a few countries of companies are producing such lithium metal batteries.

In-process at the lithium cell manufacturing, need carry out the cutting operation to the pole piece, and at the in-process of pole piece cutting, often can produce a large amount of dust, these dusts can cause environmental pollution on the one hand, on the other hand also can cause the pollution to the pole piece, the quality performance that makes the lithium cell receives the influence, and current pole piece cutting auxiliary device uses the air exhauster to its convulsions to this one often of dust disposal, and the production of dust is the omnidirectional, only last extraction dust to single position often can appear the dust and remain, lead to handling incompletely, the performance that makes the lithium cell receives the influence.

Disclosure of Invention

The embodiment of the invention aims to provide a lithium battery pole piece cutting auxiliary device capable of dedusting in multiple directions, and aims to solve the problems that the existing pole piece cutting auxiliary device always uses an exhaust fan to exhaust air for dust treatment, dust is generated in all directions, and dust residue is always generated when dust is continuously extracted from a single position, so that the treatment is incomplete, and the performance of a lithium battery is affected.

The embodiment of the invention is realized in such a way that the auxiliary device for cutting the lithium battery pole piece comprises: the connecting plate is provided with a connecting groove, a bolt is arranged in the connecting groove, and a nut is arranged on the bolt; first backup pad is installed to connecting plate one end, the fixed plate is installed to the first backup pad other end, install the rotating electrical machines on the fixed plate, install the automatic device that turns to on the rotating electrical machines, the air exhauster is installed to the automatic device other end that turns to, install the suction opening on the air exhauster.

Preferably, the automatic steering device comprises a first connecting column, a first connecting rod is mounted on the side of the first connecting column, a second connecting column is mounted at the other end of the first connecting rod, a first buckle is hinged to the bottom of the second connecting column, a first connecting rod is mounted on the first buckle, a second buckle is hinged to the other end of the first connecting rod, a second connecting rod is mounted on the second buckle, a third connecting column is mounted at the other end of the second connecting rod, a third connecting rod is mounted at the other end of the third connecting column, and the other end of the third connecting rod is fixedly connected with the exhaust fan; the bottom of the connecting plate is provided with a second supporting plate, the second supporting plate is provided with a supporting block, and the third connecting column penetrates through the inside of the supporting block.

Preferably, the distance from the rotating motor to the first support plate is greater than the sum of the lengths of the first connecting column, the second connecting column and the first connecting rod.

Preferably, the number of the connecting grooves, the bolts and the nuts is not less than three.

Preferably, a straight rod is fixedly installed on two sides of the exhaust fan, and a cleaning brush is installed at the bottom of the straight rod.

Preferably, the bottom of the air draft fan is connected with a hose, the other end of the hose is connected with a storage box, and the storage box is fixedly connected with the first supporting plate.

Preferably, the hose is provided with a fixing clamp key, and the fixing clamp key is fixedly connected with the connecting plate.

The lithium battery pole piece cutting auxiliary device capable of carrying out dust removal in multiple directions has the following beneficial effects:

the device passes through the connecting plate, links to each other whole device and pole piece cutting device, aims at the position of pole piece cutting with the suction opening of air exhauster, makes its dust that constantly extracts the cutting in-process and produce, can drive air exhauster and suction opening through the automatic steering device simultaneously, makes its constantly change convulsions direction, makes the in-process of pole piece cutting can obtain the omnidirectional and removes dust, and then promotes the performance of lithium cell.

Drawings

Fig. 1 is a schematic structural diagram of an auxiliary device for cutting a lithium battery pole piece according to an embodiment of the present invention;

fig. 2 is a three-dimensional structure diagram of an automatic steering device of an auxiliary device for cutting a lithium battery pole piece according to an embodiment of the present invention;

fig. 3 is a partially enlarged view of a portion a in fig. 1.

In the drawings: 1. a connecting plate; 2. connecting grooves; 3. a bolt; 4. a nut; 5. a first support plate; 6. a fixing plate; 7. a rotating electric machine; 8. an automatic steering device; 81. a first connecting column; 82. a first connecting rod; 83. a second connecting column; 84. a first buckle; 85. a first link; 86. a second buckle; 87. a second link; 88. a third connecting column; 89. a third connecting rod; 810. a second support plate; 811. a support block; 9. an exhaust fan; 10. an air suction opening; 11. a straight rod; 12. a cleaning brush; 13. a hose; 14. a storage box; 15. and fixing the clamp key.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Specific implementations of the present invention are described in detail below with reference to specific embodiments.

Example 1:

as shown in fig. 1, in the embodiment of the present invention, the method includes: the connecting plate 1 is provided with a connecting groove 2, a bolt 3 is arranged in the connecting groove 2, and a nut 4 is arranged on the bolt 3; first backup pad 5 is installed to 1 one end of connecting plate, fixed plate 6 is installed to the 5 other ends of first backup pad, install rotating electrical machines 7 on the fixed plate 6, install automatic steering device 8 on the rotating electrical machines 7, air exhauster 9 is installed to the automatic steering device 8 other end, install suction opening 10 on the air exhauster 9.

During the use, earlier through bolt 3, spread groove 2 and lithium-ion battery pole piece cutting device fixed mounting on connecting plate 1, make the suction opening 10 of air exhauster 9 aim at the cutting position, then start air exhauster 9 and lithium-ion battery pole piece cutting device, cutting device can cut the pole piece, and inside air exhauster 9 can be extracted to the dust that produces in the cutting process through suction opening 10 to air exhauster 9, start rotating electrical machines 7 simultaneously, drive the operation of automatic steering gear 8 through rotating electrical machines 7, drive the swing of air exhauster 9 with this, can carry out the omnidirectional extraction to the dust that the cutting produced, make the dust extraction more thorough, avoid appearing remaining, and then influence the battery efficiency.

Example 2:

as shown in fig. 2, in the embodiment of the present invention, the automatic steering apparatus 8 includes a first connecting column 81, a first connecting rod 82 is installed at a side of the first connecting column 81, a second connecting column 83 is installed at the other end of the first connecting rod 82, a first buckle 84 is hinged at a bottom of the second connecting column 83, a first connecting rod 85 is installed on the first buckle 84, a second buckle 86 is hinged at the other end of the first connecting rod 85, a second connecting rod 87 is installed on the second buckle 86, a third connecting column 88 is installed at the other end of the second connecting rod 87, a third connecting rod 89 is installed at the other end of the third connecting column 88, and the other end of the third connecting rod 89 is fixedly connected to the exhaust fan 9; a second supporting plate 810 is installed at the bottom of the connecting plate 1, a supporting block 811 is installed on the second supporting plate 810, and the third connecting column 88 penetrates through the inside of the supporting block 811.

During the use, rotating electrical machines 7 can drive first spliced pole 81 rotatory, first spliced pole 81 can drive second spliced pole 83 through first connecting rod 82 and rotate around first spliced pole 81, second spliced pole 83 can drive first connecting rod 85 removal at the in-process of motion, drive second connecting rod 87 simultaneously and rotate around third spliced pole 88, drive third spliced pole 88 simultaneously and rotate together, third spliced pole 88 can drive the third connecting rod 89 rotation of the other end, and then drive the air exhauster 9 removal with third connecting rod 89 fixed connection, do oscillating reciprocating motion under the drive of third connecting rod 89, thereby realize the effect of omnidirectional convulsions dust removal.

In this embodiment, the distance from the rotating electrical machine 7 to the first supporting plate 5 is greater than the sum of the lengths of the first connecting column 81, the second connecting column 83 and the first connecting rod 82, so that the second connecting column 83 is prevented from contacting the first supporting plate 7 during the rotation process, and the movement path of the second connecting column 83 is prevented from being blocked.

In this embodiment, the number of spread groove 2, bolt 3 and nut 4 is no less than three, strengthens whole auxiliary device and lithium-ion battery pole piece cutting device's fixed effect, prevents that auxiliary device from breaking away from mutually with cutting device at the operation in-process.

As shown in fig. 3, in the embodiment of the present invention, straight bars 11 are fixedly installed on two sides of the exhaust fan 9, a cleaning brush 12 is installed at the bottom of each straight bar 11, and the exhaust fan 9 can continuously clean through the cleaning brush 12 in the operation and swing process, so as to sweep out dust which is remained at corners and is not easy to extract, so that the dust removal effect is better.

In this embodiment, the bottom of the exhaust fan 9 is connected with a hose 13, the other end of the hose 13 is connected with a storage box 14, the storage box 14 is fixedly connected with the first supporting plate 5, and the dust extracted into the exhaust fan 9 can be recovered into the storage box 14 through the hose 13, so that the storage amount of the dust is increased, and the dust is prevented from being accumulated inside the exhaust fan 9.

In this embodiment, be equipped with the fixing clip key 15 on the hose 13, fixing clip key 15 and connecting plate 1 fixed connection, card key 15 can fix hose 13 on connecting plate 1, avoids automatic steering device 8 to take place the winding with hose 13 at the in-process of operation, leads to the unable normal work of device.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A lithium battery pole piece cutting auxiliary device comprises: the connecting plate (1) is characterized in that a connecting groove (2) is formed in the connecting plate (1), a bolt (3) is arranged in the connecting groove (2), and a nut (4) is arranged on the bolt (3); first backup pad (5) is installed to connecting plate (1) one end, fixed plate (6) are installed to first backup pad (5) other end, install rotating electrical machines (7) on fixed plate (6), install automatic steering device (8) on rotating electrical machines (7), air exhauster (9) are installed to the automatic steering device (8) other end, install suction opening (10) on air exhauster (9).

2. The lithium battery pole piece cutting auxiliary device according to claim 1, characterized in that the automatic steering device (8) comprises a first connection column (81), a first connecting rod (82) is arranged at the side part of the first connecting column (81), a second connecting column (83) is arranged at the other end of the first connecting rod (82), the bottom of the second connecting column (83) is hinged with a first buckle (84), a first connecting rod (85) is arranged on the first buckle (84), the other end of the first connecting rod (85) is hinged with a second buckle (86), a second connecting rod (87) is arranged on the second buckle (86), a third connecting pole (88) is arranged at the other end of the second connecting rod (87), a third connecting rod (89) is arranged at the other end of the third connecting pole (88), the other end of the third connecting rod (89) is fixedly connected with an exhaust fan (9); a second supporting plate (810) is installed at the bottom of the connecting plate (1), a supporting block (811) is installed on the second supporting plate (810), and the third connecting column (88) penetrates through the inside of the supporting block (811).

3. The lithium battery pole piece cutting auxiliary device of claim 2, wherein the distance from the rotating electrical machine (7) to the first support plate (5) is greater than the sum of the lengths of the first connecting column (81), the second connecting column (83) and the first connecting rod (82).

4. The lithium battery pole piece cutting auxiliary device of claim 1, wherein the number of the connecting grooves (2), the bolts (3) and the nuts (4) is not less than three.

5. The lithium battery pole piece cutting auxiliary device of claim 1, wherein a straight rod (11) is fixedly installed on two sides of the exhaust fan (9), and a cleaning brush (12) is installed at the bottom of the straight rod (11).

6. The lithium battery pole piece cutting auxiliary device according to claim 1, wherein a hose (13) is connected to the bottom of the exhaust fan (9), a storage box (14) is connected to the other end of the hose (13), and the storage box (14) is fixedly connected with the first support plate (5).

7. The lithium battery pole piece cutting auxiliary device of claim 6, wherein a fixing clamping key (15) is arranged on the hose (13), and the fixing clamping key (15) is fixedly connected with the connecting plate (1).