CN214520629U

CN214520629U - Accurate cutting device is used in lithium cell diaphragm production

Info

Publication number: CN214520629U
Application number: CN202023054843.XU
Authority: CN
Inventors: 白耀宗; 彭伟雄; 杨天乐; 舒均国
Original assignee: Hunan Chinaly New Material Technology Co ltd
Current assignee: Sinoma Lithium Film Ningxiang Co ltd
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2021-10-29
Anticipated expiration: 2030-12-18

Abstract

The utility model discloses an accurate cutting device is used in production of lithium cell diaphragm, including shell and base, the quantity of shell is two, and the top of shell has been seted up and has been lacked the groove, lacks the inslot and is equipped with fixed subassembly, and fixed subassembly includes movable block and fixed block, and the quantity of fixed block is two, and arbitrary effort is exerted on the outer wall of movable block, and two fixed blocks of drive keep in opposite directions or back on the other side movement. The utility model discloses a lithium battery diaphragm production is with accurate cutting device, through rotating rotatory handle, rotatory handle drives threaded rod two, and threaded rod two drives threaded rod one, and blade movable mounting is in the scarce inslot of shell, so the threaded rod drives the blade and removes about on the base, and because the outer wall fixed mounting of base one side has the scale again, the workman can be accurate when the distance of adjustment blade, makes the lithium battery diaphragm of tailorring out need not increased the preparation efficiency of diaphragm by secondary operation.

Description

Accurate cutting device is used in lithium cell diaphragm production

Technical Field

The utility model relates to a tailor machinery relates to a lithium cell diaphragm production is with accurate cutting device particularly.

Background

In the construction of lithium batteries, the separator is one of the key internal components. The performance of the diaphragm determines the interface structure, internal resistance and the like of the battery, directly influences the capacity, circulation, safety performance and other characteristics of the battery, and the diaphragm with excellent performance plays an important role in improving the comprehensive performance of the battery. The separator has a main function of separating the positive electrode and the negative electrode of the battery to prevent short circuit due to contact between the two electrodes, and also has a function of allowing electrolyte ions to pass therethrough. The separator material is non-conductive, and the physical and chemical properties of the separator have a great influence on the performance of the battery. The battery is different in kind and the separator used is different. In the lithium battery system, since the electrolyte is an organic solvent system, a separator material resistant to an organic solvent is required, and a polyolefin porous film having a high strength and a thin film is generally used.

The device of tailorring of current lithium battery diaphragm production usefulness is directly tailor lithium battery diaphragm with the blade generally, and unable fine length to lithium battery diaphragm carries out accurate division for the lithium battery diaphragm of tailorring out need be by secondary operation, greatly increased the preparation efficiency of diaphragm, and current blade snap-on is on the machine, and unable convenient and fast's is changed the blade.

Accordingly, there is a need for improvement in the above-mentioned problems of the prior art.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned problem that prior art exists, an aspect aim at provides an accurate cutting device is used in lithium cell diaphragm production solves the current lithium cell diaphragm production and uses the device of tailorring that generally cuts out lithium cell diaphragm with the blade, and unable fine length to lithium cell diaphragm carries out accurate division for the lithium cell diaphragm of tailorring out need by secondary operation, greatly increased the preparation efficiency of diaphragm, and current blade snap-on is on the machine, the problem of changing is carried out to the blade of unable convenient and fast.

Technical scheme

In order to realize the above-mentioned purpose, the utility model provides a pair of accurate cutting device is used in production of lithium cell diaphragm, including shell and base, the quantity of shell is two, the top of shell has been seted up and has been lacked the groove, a serial communication port, lack the inslot and be equipped with fixed subassembly, fixed subassembly includes movable block and fixed block, the quantity of fixed block is two, apply arbitrary effort in on the outer wall of movable block, the drive is two the fixed block keeps in opposite directions or back of the body motion mutually, be equipped with moving mechanism in the base, moving mechanism includes rotatory handle and foundation, foundation fixed mounting is one of them the bottom surface of shell, apply arbitrary rotatory effort in on the outer wall of rotatory handle, the drive the shell keeps the ascending linear motion of horizontal direction.

Preferably, the fixed component comprises a moving block, a connecting block, a first connecting column, a second connecting column, a first spring, a fixed block and a base, the number of the connecting block, the first connecting column, the second connecting column, the first spring and the fixed block is two, the two connecting blocks are symmetrically arranged on two opposite sides of the inner wall of the shell, the moving block is movably arranged on the outer wall of one side of the base, the two first connecting columns are respectively and movably arranged on the outer walls of two opposite sides of the moving block, the second connecting column is movably arranged at the other end of the first connecting column, a connecting point of the first connecting column and the second connecting column is movably arranged at the top of the connecting block, the fixed block is movably arranged at the other end of the second connecting column, and the first spring is fixedly arranged between the fixed block and the inner wall of the shell.

Preferably, the moving mechanism further comprises a first threaded rod and a second threaded rod, the second threaded rod is mounted at the bottom of the bottom column, the first threaded rod is movably mounted in the base and meshed with the second threaded rod, and one end of the first threaded rod penetrates through the outer wall of one side of the base and extends to the outer wall of one side of the base and is fixedly mounted with the rotating handle.

Preferably, an inner shell is installed on the inner wall of the moving block, a second spring is fixedly installed in the inner shell, the bottom of the inner shell is convex, and a groove corresponding to the bottom of the inner shell is formed in the base.

Preferably, a graduated scale is fixedly mounted on the outer wall of one side of the base, and a zero scale of the graduated scale corresponds to the position below the fixed blade.

Preferably, the other of the housings is fixedly mounted on an outer wall of the top of the base on a side close to the swing handle.

Advantageous effects

Compared with the prior art, the utility model provides a pair of accurate cutting device is used in production of lithium cell diaphragm possesses following beneficial effect:

1. the utility model discloses a, through rotating rotatory handle, rotatory handle drives threaded rod two, and threaded rod two drive threaded rod one, again because threaded rod one and one of them shell pass through the foundation pillar and connect, blade movable mounting is in the scarce inslot of shell, so the threaded rod drives the blade and removes about on the base, again because the outer wall fixed mounting of base one side has the scale, the workman can be accurate when the distance of adjustment blade, make the lithium cell diaphragm of tailorring out need not by secondary operation, increased the preparation efficiency of diaphragm.

2. The utility model discloses a, stir the movable block through the workman, roll-off in the recess of base is followed to the inside inner shell of movable block to drive spliced pole one and spliced pole two, spliced pole two drive the fixed block and carry out back of the body motion, make the blade that is fixed in the shell can take out, thereby more swiftly convenient change when the blade damages.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

This document provides an overview of various implementations or examples of the technology described in this disclosure, and is not a comprehensive disclosure of the full scope or all features of the disclosed technology.

Drawings

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

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

FIG. 3 is a schematic view of the structure of the inner side elevation of the present invention;

fig. 4 is a schematic diagram of the moving structure of the present invention.

The main reference numbers:

1. a fixing assembly; 2. a moving mechanism; 3. a blade; 4. a housing; 5. a moving block; 6. a base; 7. a graduated scale; 8. rotating the handle; 9. a first threaded rod; 10. a second threaded rod; 11. an inner shell; 12. connecting a column I; 13. connecting a second column; 14. a fixed block; 15. a base; 16. connecting blocks; 17. a first spring; 18. a bottom pillar; 19. a second spring; 20. and (4) notching.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more clear, the technical solutions of the embodiments of the present disclosure will be described below clearly and completely with reference to the accompanying drawings of the embodiments of the present disclosure. It is to be understood that the described embodiments are only a few embodiments of the present disclosure, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the disclosure without any inventive step, are within the scope of protection of the disclosure.

Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of the word "comprising" or "comprises", and the like, in this disclosure is intended to mean that the elements or items listed before that word, include the elements or items listed after that word, and their equivalents, without excluding other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may also include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

To maintain the following description of the embodiments of the present disclosure clear and concise, a detailed description of known functions and known components have been omitted from the present disclosure.

Referring to fig. 1-4, an accurate cutting device for producing a lithium battery diaphragm comprises an outer shell 4 and a base 6, wherein a rotary handle 8 is rotated, the rotary handle 8 drives a second threaded rod 10, the second threaded rod 10 drives a first threaded rod 9, the first threaded rod 9 is connected with one of the outer shell 4 through a bottom column 18, and a blade 3 is movably arranged in a notch 20 of the outer shell 4, so that the first threaded rod 9 drives the blade 3 to move left and right on the base 6, and a graduated scale 7 is fixedly arranged on the outer wall of one side of the base 6, a worker can accurately control the distance of the blade 3 when adjusting the distance of the blade 3, the cut lithium battery diaphragm does not need to be secondarily processed, the manufacturing efficiency of the diaphragm is increased, the moving block 5 is stirred by the worker, an inner shell 11 in the moving block 5 slides out of a groove of the base 15, and then the first connecting column 12 and the second connecting column 13 are driven, the second connecting column 13 drives the fixing block 14 to move back and forth, so that the blade 3 fixed in the shell 4 can be drawn out, and the blade 3 can be replaced more quickly and conveniently when damaged.

The utility model discloses among the further technical scheme that provides, specifically as follows:

as shown in fig. 1, the number of the housing 4 is two, and the top of the housing 4 is provided with a notch 20, and the cutting tool is characterized in that a fixing component 1 is arranged in the notch 20, the fixing component 1 comprises a moving block 5 and two fixing blocks 14, the two fixing blocks 14 are provided, any acting force is applied to the outer wall of the moving block 5, the two fixing blocks 14 are driven to keep moving in the opposite direction or in the opposite direction, the blade 3 can be conveniently fixed, and when the blade 3 is damaged, the blade 3 can be conveniently taken out.

As shown in fig. 1, a moving mechanism 2 is disposed in the base 6, the moving mechanism 2 includes a rotating handle 8 and a bottom pillar 18, the bottom pillar 18 is fixedly mounted on a bottom surface of one of the shells 4, applies any rotating acting force to an outer wall of the rotating handle 8, and drives the shell 4 to keep a linear motion in a horizontal direction, so as to drive the blades 3 to move toward or away from each other, thereby facilitating a worker to adjust a distance between the blades 3.

Further with reference to fig. 1, it can be seen that in some embodiments, it is preferable that the outer wall of one side of the base 6 is fixedly mounted with a graduated scale 7, and the zero graduation of the graduated scale 7 corresponds to the lower side of the fixed blade 3, so that the distance between the two blades 3 can be accurate to millimeters.

As shown in fig. 2, the fixing assembly 1 includes a moving block 5, a connecting block 16, a first connecting column 12, a second connecting column 13, a first spring 17, a fixed block 14 and a base 15, the number of the connecting block 16, the first connecting column 12, the second connecting column 13, the first spring 17 and the fixed block 14 is two, the two connecting blocks 16 are symmetrically installed on two opposite sides of the inner wall of the housing 4, the moving block 5 is movably installed on the outer wall of one side of the base 15, the two first connecting columns 12 are respectively and movably installed on the outer walls of two opposite sides of the moving block 5, the second connecting column 13 is movably installed at the other end of the first connecting column 12, the connecting point of the first connecting column 12 and the second connecting column 13 is movably installed on the top of the connecting block 16, the fixed block 14 is movably installed at the other end of the second connecting column 13, the first spring 17 is fixedly installed between the fixed block 14 and the inner wall of the housing 4, by pulling the worker to move the moving block 5, the inner shell 11 inside the moving block 5 slides out of the recess of the base 15, thereby drive spliced pole one 12 and spliced pole two 13, spliced pole two 13 drives fixed block 14 and carries out the back-and-forth movement for blade 3 that is fixed in shell 4 can take out, thereby change when blade 3 damages more swiftly convenient.

As shown in fig. 4, the moving mechanism 2 further includes a first threaded rod 9 and a second threaded rod 10, the second threaded rod 10 is mounted at the bottom of the bottom pillar 18, the first threaded rod 9 is movably mounted in the base 6, the first threaded rod 9 is engaged with the second threaded rod 10, one end of the first threaded rod 9 penetrates through and extends to the outer wall of one side of the base 6 and is fixedly mounted with the rotating handle 8, the rotating handle 8 is rotated to drive the second threaded rod 10, the second threaded rod 10 drives the first threaded rod 9, the first threaded rod 9 is connected with one of the shells 4 through the bottom pillar 18, the blade 3 is movably mounted in the notch 20 of the shell 4, so that the first threaded rod 9 drives the blade 3 to move left and right on the base 6, and the scale 7 is fixedly mounted on the outer wall of one side of the base 6, a worker can accurately control the lithium battery diaphragm when adjusting the distance of the blade 3, and the cut lithium battery diaphragm does not need to be processed for the second time, the manufacturing efficiency of the diaphragm is increased.

Further referring to fig. 1, it can be seen that in some embodiments, it is preferable that another housing 4 is fixedly mounted on the outer wall of the top of the base 6 near the side of the rotating handle 8 to facilitate the worker moving the blades 3 and adjusting the distance between the blades 3.

As shown in fig. 3, the inner shell 11 is installed on the inner wall of the moving block 5, the second spring 19 is fixedly installed in the inner shell 11, the bottom of the inner shell 11 is convex, and the base 15 is provided with a groove corresponding to the bottom of the inner shell 11, so that the blade 3 can be conveniently fixed.

The working principle is as follows: by rotating the rotating handle 8, the rotating handle 8 drives the second threaded rod 10, the second threaded rod 10 drives the first threaded rod 9, the first threaded rod 9 is connected with one of the shells 4 through the bottom column 18, the blade 3 is movably arranged in the notch 20 of the shell 4, the first threaded rod 9 drives the blade 3 to move left and right on the base 6, the scale 7 is fixedly arranged on the outer wall of one side of the base 6, a worker can accurately control the distance of the blade 3 when adjusting the distance of the blade 3, the cut lithium battery diaphragm does not need to be secondarily processed, the manufacturing efficiency of the diaphragm is increased, the moving block 5 is shifted by the worker, the inner shell 11 inside the moving block 5 slides out of the groove of the base 15, the first connecting column 12 and the second connecting column 13 are driven, the second connecting column 13 drives the fixing block 14 to move back to back, and the blade 3 fixed in the shell 4 can be pulled out, thereby making it quicker and easier to replace the blade 3 when it is damaged.

It will be appreciated by those skilled in the art that other similar connections may be used to implement the present invention. Such as welding, bonding, or screwing.

The above embodiments are merely exemplary embodiments of the present invention, which is not intended to limit the present invention, and the scope of the present invention is defined by the appended claims. Various modifications and equivalents may be made by those skilled in the art to the present invention without departing from the spirit and scope of the invention, and such modifications and equivalents should be considered to be within the scope of the invention.

Claims

1. The accurate cutting device for the production of the lithium battery diaphragm comprises a shell (4) and a base (6), wherein the number of the shell (4) is two, the top of the shell (4) is provided with a notch (20), the accurate cutting device is characterized in that a fixing assembly (1) is arranged in the notch (20), the fixing assembly (1) comprises a moving block (5) and two fixing blocks (14), any acting force is applied to the outer wall of the moving block (5) to drive the two fixing blocks (14) to move oppositely or oppositely;

the moving mechanism (2) is arranged in the base (6), the moving mechanism (2) comprises a rotating handle (8) and a bottom column (18), the bottom column (18) is fixedly installed on the bottom surface of one of the shells (4), any rotating acting force is applied to the outer wall of the rotating handle (8), and the shells (4) are driven to keep linear motion in the horizontal direction.

2. The precise cutting device for producing the lithium battery diaphragm as claimed in claim 1, wherein the fixed component (1) comprises a moving block (5), a connecting block (16), a first connecting column (12), a second connecting column (13), a first spring (17), a fixed block (14) and a base (15), the number of the connecting block (16), the first connecting column (12), the second connecting column (13), the first spring (17) and the fixed block (14) is two, the two connecting blocks (16) are symmetrically arranged on two opposite sides of the inner wall of the shell (4), the moving block (5) is movably arranged on the outer wall of one side of the base (15), the two first connecting columns (12) are respectively and movably arranged on the outer walls of two opposite sides of the moving block (5), the second connecting column (13) is movably arranged on the other end of the first connecting column (12), and the connecting points of the first connecting column (12) and the second connecting column (13) are movably arranged on the top of the connecting block (16), the fixed block (14) is movably arranged at the other end of the second connecting column (13), and the first spring (17) is fixedly arranged between the fixed block (14) and the inner wall of the shell (4).

3. The precise cutting device for producing the lithium battery diaphragm as claimed in claim 1, wherein the moving mechanism (2) further comprises a first threaded rod (9) and a second threaded rod (10), the second threaded rod (10) is mounted at the bottom of the bottom column (18), the first threaded rod (9) is movably mounted in the base (6), the first threaded rod (9) is meshed with the second threaded rod (10), and one end of the first threaded rod (9) penetrates through and extends to the outer wall of one side of the base (6) and is fixedly mounted with the rotating handle (8).

4. The precise cutting device for producing the lithium battery separator as claimed in claim 2, wherein an inner shell (11) is mounted on the inner wall of the moving block (5), a second spring (19) is fixedly mounted in the inner shell (11), the bottom of the inner shell (11) is convex, and a groove corresponding to the bottom of the inner shell (11) is formed in the base (15).

5. The precise cutting device for producing the lithium battery diaphragm as claimed in claim 1, wherein a graduated scale (7) is fixedly installed on the outer wall of one side of the base (6), and a zero scale of the graduated scale (7) corresponds to the lower part of the fixed blade (3).

6. The precise cutting device for producing the lithium battery diaphragm as claimed in claim 1, wherein another shell (4) is fixedly arranged on the outer wall of the top of the base (6) close to one side of the rotating handle (8).