CN214527117U

CN214527117U - Fixing device of lithium battery diaphragm roll

Info

Publication number: CN214527117U
Application number: CN202023068030.6U
Authority: CN
Inventors: 白耀宗; 舒均国; 陈立新; 王丽华
Original assignee: Hunan Chinaly New Material Co Ltd
Current assignee: Sinoma Lithium Film Changde 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 a fixing device that lithium cell diaphragm was rolled up, including the diaphragm core that rolls up, the equal activity in both ends that the diaphragm rolled up the core is provided with the nozzle stub, and the nozzle stub is kept away from the one end symmetry movable mounting that the diaphragm rolled up the core and is had the arc fastener, is equipped with the actuating mechanism who is used for driving the arc fastener and keeps relative or relative motion on the nozzle stub, and the arc fastener is assembled and is used for making the diaphragm roll up the core and be fixed in the pivot of lathe. The utility model provides a fixing device of lithium cell diaphragm book, can be fine roll up the core with the diaphragm and fix in the pivot of lathe, under actuating mechanism's effect, two arc fasteners keep relative or motion in opposite directions, the joint is in the pivot, the locking perhaps removes the core is rolled up to the locking diaphragm, when the rolling, can not produce the side collapsing and warp, perhaps there is the fold in the membrane book, practiced thrift the raw materials, manpower and time have also been practiced thrift simultaneously, production efficiency is improved, after arc fastener joint is in the pivot, rotate the screw rod, roll up the core lock hoop with the diaphragm.

Description

Fixing device of lithium battery diaphragm roll

Technical Field

The utility model relates to a lithium battery diaphragm production technical field relates to a fixing device that lithium battery diaphragm was rolled up particularly.

Background

The performance of the lithium battery diaphragm determines the interface structure, internal resistance and the like of the battery, the capacity, circulation, safety performance and other characteristics of the battery are directly influenced, the lithium battery diaphragm with excellent performance has an important effect on improving the comprehensive performance of the battery, the winding of the lithium battery diaphragm is important in the production process of the lithium battery diaphragm, however, the existing lithium battery diaphragm is not ideal in fixing effect when being installed, the lithium battery diaphragm is easy to collapse and deform when being wound, or wrinkles exist in the diaphragm roll, the produced lithium battery diaphragm cannot reach the standard and needs to be trimmed again, or becomes a waste film, raw materials are wasted, manpower and time are wasted, and the production efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned problem that prior art exists, an aspect of the utility model aims to provide a fixing device that lithium cell diaphragm was rolled up, the core is rolled up with the diaphragm that can be fine fixes in the pivot of lathe, when the rolling, can not produce the crimp and warp, perhaps has the fold in the membrane book.

Technical scheme

In order to realize the above-mentioned purpose, the utility model provides a pair of fixing device that lithium cell diaphragm was rolled up, roll up the core including the diaphragm, the equal activity in both ends that the diaphragm rolled up the core is provided with the nozzle stub, the nozzle stub is kept away from the one end symmetry movable mounting that the diaphragm rolled up the core has the arc fastener, be equipped with on the nozzle stub and be used for the drive the arc fastener keeps relative or relative motion's actuating mechanism, the arc fastener is assembled and is used for making the diaphragm roll up the core and be fixed in the pivot of lathe.

As preferred, fixed mounting has a retaining ring on the outer wall of the adjacent diaphragm roll core one end of nozzle stub, the side that the relative diaphragm of retaining ring rolled up the core is the triangular distribution spiro union and has the screw rod, the outer wall symmetry fixed mounting of retaining ring has first card tooth, first card tooth is located in the recess that the diaphragm rolled up the core inner wall and seted up.

Preferably, the pipe wall of one side of the short pipe, which is opposite to the diaphragm roll core, is symmetrically hinged with an L-shaped plate, one end of the L-shaped plate, which is opposite to the diaphragm roll core, is fixedly provided with an arc-shaped clamping piece, and a half gear which is meshed with the arc-shaped clamping piece is fixedly arranged between the adjacent inner walls at the other end.

Preferably, actuating mechanism includes slide bar, stationary blade, little spring, U type fastener, atress ring, first square hole, second square hole, gleitbretter, U type fastener cup joints on the pipe wall of slide bar, the inner chamber of U type fastener is provided with the gleitbretter, atress ring fixed mounting in the port department of U type fastener, stationary blade fixed mounting is on the slide bar, the gleitbretter with be provided with little spring between the stationary blade.

Preferably, the sliding rod is provided with a third clamping tooth, and the third clamping tooth is positioned in a hole groove formed in the inner wall of the U-shaped clamping piece opposite to the port.

Preferably, a sliding rod is sleeved on one of the half gears, second clamping teeth are symmetrically arranged on the pipe wall of one end of the short pipe adjacent to the sliding rod, and the second clamping teeth are positioned in a guide groove formed in the half gear.

Preferably, the outer wall of the stress ring is fixedly provided with a transverse plate, the other end of the transverse plate is fixedly provided with a supporting plate, and the supporting plate is fixedly arranged on the pipe wall of the short pipe.

Preferably, the outer wall of the rotating shaft is provided with a fourth clamping tooth, and the fourth clamping tooth is positioned in a groove formed in the inner wall of the short pipe.

Advantageous effects

Compared with the prior art, the utility model provides a pair of fixing device that lithium cell diaphragm was rolled up possesses following beneficial effect:

1. the utility model discloses a, can be fine roll up the core with the diaphragm and fix in the pivot of lathe, the both ends activity that the diaphragm rolled up the core is provided with the nozzle stub, and two arc fasteners of the one end movable mounting that the diaphragm rolled up the core were kept away from to the nozzle stub keep relative or motion in opposite directions under actuating mechanism's effect, and the joint is in the pivot.

2. The utility model discloses a, when the rolling, can not produce the limit of collapsing and warp, perhaps there is the fold in the membrane book, at arc fastener joint back in the pivot, in the recess that first calorie of tooth slip diaphragm roll core inner wall was seted up, the screw rod that rotates and is the triangular distribution spiro union, with the diaphragm roll core lock hoop, practiced thrift the raw materials, also practiced thrift manpower and time simultaneously, improved production efficiency.

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 overall structure of the present invention;

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

FIG. 3 is a schematic view of a partial structure of the present invention;

fig. 4 is a schematic view of the driving section structure of the present invention;

fig. 5 is a schematic view of the driving structure of the present invention;

FIG. 6 is a schematic view of the driving part of the present invention;

fig. 7 is a schematic view of a partial structure of the rotating shaft of the present invention.

The main reference numbers:

1. a diaphragm roll core; 4. a short pipe; 5. a drive mechanism; 6. a transverse plate; 7. a support plate; 9. a fourth clamping tooth; 21. fixing the circular ring; 22. a first clamping tooth; 23. a screw; 31. an L-shaped plate; 32. an arc-shaped clamping piece; 33. a half gear; 51. a slide bar; 52. a fixing sheet; 53. a small spring; 54. a U-shaped clamping piece; 55. a second clamping tooth; 56. a stressed ring; 57. a third clamping tooth; 581. a first square hole; 582. a second square hole; 59. and (4) sliding a sheet.

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. 1-7, a fixing device for a lithium battery diaphragm roll comprises a diaphragm roll core 1, the diaphragm roll core 1 can be well fixed on a rotating shaft of a machine tool, the diaphragm roll core 1 keeps relative or opposite movement under the action of two arc-shaped clamping pieces 32, the diaphragm roll core 1 is fixed, edge collapse deformation cannot occur during rolling, or wrinkles exist in the diaphragm roll, raw materials are saved, manpower and time are saved, production efficiency is improved, and after the arc-shaped clamping pieces 32 are clamped on the rotating shaft, a screw rod 23 is rotated to tightly hoop the diaphragm roll core 1.

As shown in figure 1, both ends of a diaphragm roll core 1 are movably provided with short pipes 4, one ends of the short pipes 4 far away from the diaphragm roll core 1 are symmetrically and movably provided with arc-shaped clamping pieces 32, the short pipes 4 are provided with driving mechanisms 5 for driving the arc-shaped clamping pieces (32 to keep relative or opposite movement, the arc-shaped clamping pieces 32 are assembled for fixing the diaphragm roll core 1 on a rotating shaft of a machine tool, both ends of the diaphragm roll core 1 are movably provided with the short pipes 4, the two arc-shaped clamping pieces 32 movably arranged at one ends of the short pipes 4 far away from the diaphragm roll core 1 keep relative or opposite movement under the action of the driving mechanisms 5 and are clamped on the rotating shaft, after arc fastener 32 joint is in the pivot, first calorie of tooth 22 slides in the recess that core 1 inner wall was seted up is rolled up to the diaphragm, rotates the screw rod 23 that is the triangle distribution spiro union, and core 1 lock hoop is rolled up to the diaphragm, has practiced thrift the raw materials, has also practiced thrift manpower and time simultaneously, has improved production efficiency.

As shown in fig. 2, fixed mounting has fixed ring 21 on the outer wall of the adjacent diaphragm core 1 one end of nozzle 4, the relative diaphragm core 1's of fixed ring 21 side of fixed ring is three angular distributions spiro union and has screw rod 23, the outer wall symmetry fixed mounting of fixed ring 21 has first card tooth 22, first card tooth 22 is located the recess that diaphragm core 1 inner wall was seted up, slide first card tooth 22 into the recess that diaphragm core 1 inner wall was seted up, rotate screw rod 23, make two fixed rings 21 with diaphragm core 1 lock hoop.

As shown in figure 3, the pipe wall of the short pipe 4 on one side relative to the diaphragm winding core 1 is symmetrically hinged with an L-shaped plate 31, one end of the L-shaped plate 31 relative to the diaphragm winding core 1 is fixedly provided with an arc-shaped clamping piece 32, a half gear 33 which is meshed with the other end of the L-shaped plate 31 is fixedly arranged between the adjacent inner walls of the other end, one half gear 33 is rotated, and the two half gears 33 which are meshed with each other drive the L-shaped plate 31 to rotate, so that the arc-shaped clamping pieces 32 keep moving oppositely or oppositely, and the locking rotating shaft is locked or released.

Wherein, the outer wall of the stress ring 56 is fixedly provided with a transverse plate 6, the other end of the transverse plate 6 is fixedly provided with a supporting plate 7, the supporting plate 7 is fixedly arranged on the pipe wall of the short pipe 4, and the transverse plate 6 and the supporting plate 7 are used for fixing the U-shaped clamping piece 54 and the stress ring 56.

As shown in fig. 5, the driving mechanism 5 includes a sliding rod 51, a fixing plate 52, a small spring 53, a U-shaped clip 54, a force-bearing ring 56, and a sliding piece 59, the U-shaped clip 54 is sleeved on a tube wall of the sliding rod 51, the sliding piece 59 is disposed in an inner cavity of the U-shaped clip 54, the force-bearing ring 56 is fixedly mounted at a port of the U-shaped clip 54, the fixing plate 52 is fixedly mounted on the sliding rod 51, the small spring 53 is disposed between the sliding piece 59 and the fixing plate 52, a pressure is applied to the sliding rod 51, and the sliding piece 59 presses against the small spring 53.

Further, as shown in fig. 4, a third latch 57 is provided on the slide rod 51, the third latch 57 is located in a first square hole 581 or a second square hole 582 formed on an inner wall of the U-shaped latch 54 opposite to the port, pressure is applied to the slide rod 51, the slide piece 59 presses against the small spring 53, the third latch 57 falls out of one of the square holes, the slide rod 51 is rotated, the slide piece 59 is released, and the third latch 57 slides into the other square hole.

In addition, a sliding rod 51 is sleeved on one of the half gears 33, second clamping teeth 55 are symmetrically arranged on the pipe wall of one end of the sliding rod 51 adjacent to the short pipe 4, the second clamping teeth 55 are located in a guide groove formed in the half gear 33, the sliding rod 51 is rotated, the sliding rod 51 drives the second clamping teeth 55 to rotate, and the half gear 33 moves.

As shown in fig. 6, a fourth locking tooth 9 is arranged on the outer wall of the rotating shaft, the fourth locking tooth 9 is positioned in a groove formed on the inner wall of the short pipe 4, and the fourth locking tooth 9 slides into the groove formed on the inner wall of the short pipe 4, so that the short pipe 4 and the rotating shaft move circumferentially together.

The working principle is as follows: the short pipe 4 slides into a rotating shaft along a groove formed in the inner wall of the short pipe, pressure is applied to a sliding rod 51, a sliding sheet 59 presses a small spring 53, a third clamping tooth 57 is separated from a first square hole 581, the sliding rod 51 is rotated, the sliding rod 51 drives a second clamping tooth 55 to rotate, two half gears 33 which are meshed with each other move to drive an L-shaped plate 31 to rotate, so that arc-shaped clamping pieces 32 keep moving oppositely and are clamped in the rotating shaft, the sliding rod 51 and the sliding sheet 59 are released, the half gears 33 apply force to the third clamping tooth 57 under the action of the small spring 53, the third clamping tooth 57 slides into a second square hole 582, a locking driving mechanism 5 is used for installing a fixed ring 21 and a diaphragm winding core 1, the first clamping tooth 22 slides into the groove formed in the inner wall of the diaphragm winding core 1, and a screw 23 is rotated, so that the diaphragm winding core 1 is tightly clamped by the two fixed rings 21.

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 utility model provides a fixing device that lithium cell membrane was rolled up, includes that the diaphragm rolls up core (1), its characterized in that, the equal activity in both ends that the diaphragm rolled up core (1) is provided with nozzle stub (4), nozzle stub (4) are kept away from the one end symmetry movable mounting that the diaphragm rolled up core (1) has arc fastener (32), be equipped with on nozzle stub (4) and be used for the drive arc fastener (32) keep relative or actuating mechanism (5) of moving in opposite directions, arc fastener (32) are assembled and are used for making diaphragm roll core (1) be fixed in the pivot of lathe.

2. The fixing device of a lithium battery diaphragm roll according to claim 1, characterized in that a fixing ring (21) is fixedly installed on the outer wall of one end of the short tube (4) adjacent diaphragm roll core (1), the fixing ring (21) is screwed with a screw rod (23) in a three-angle distribution manner relative to the side of the diaphragm roll core (1), first clamping teeth (22) are symmetrically and fixedly installed on the outer wall of the fixing ring (21), and the first clamping teeth (22) are located in grooves formed in the inner wall of the diaphragm roll core (1).

3. The fixing device of the lithium battery diaphragm roll is characterized in that the pipe wall of one side of the short pipe (4) opposite to the diaphragm roll core (1) is symmetrically hinged with an L-shaped plate (31), one end of the L-shaped plate (31) opposite to the diaphragm roll core (1) is fixedly provided with an arc-shaped clamping piece (32), and a half gear (33) meshed with the other end of the L-shaped plate is fixedly arranged between the adjacent inner walls of the other end of the L-shaped plate.

4. The lithium battery diaphragm roll fixing device according to claim 1, wherein the driving mechanism (5) comprises a sliding rod (51), a fixing piece (52), a small spring (53), a U-shaped clamping piece (54), a stress ring (56) and a sliding piece (59), the U-shaped clamping piece (54) is sleeved on the pipe wall of the sliding rod (51), the sliding piece (59) is arranged in an inner cavity of the U-shaped clamping piece (54), the stress ring (56) is fixedly installed at a port of the U-shaped clamping piece (54), the fixing piece (52) is fixedly installed on the sliding rod (51), and the small spring (53) is arranged between the sliding piece (59) and the fixing piece (52).

5. The fixing device of the lithium battery diaphragm roll is characterized in that a third clamping tooth (57) is arranged on the sliding rod (51), and the third clamping tooth (57) is positioned in a first square hole (581) and a second square hole (582) which are formed in the inner wall of the U-shaped clamping piece (54) and opposite to the port.

6. The fixing device for the lithium battery diaphragm roll is characterized in that a sliding rod (51) is sleeved on one of the half gears (33), second clamping teeth (55) are symmetrically arranged on the tube wall of one end of the sliding rod (51) adjacent to one end of the short tube (4), and the second clamping teeth (55) are positioned in a guide groove formed in the half gear (33).

7. The fixing device of the lithium battery diaphragm roll is characterized in that a transverse plate (6) is fixedly installed on the outer wall of the stress ring (56), a supporting plate (7) is fixedly installed at the other end of the transverse plate (6), and the supporting plate (7) is fixedly installed on the wall of the short pipe (4).

8. The fixing device for the lithium battery diaphragm roll is characterized in that a fourth clamping tooth (9) is arranged on the outer wall of the rotating shaft, and the fourth clamping tooth (9) is positioned in a groove formed in the inner wall of the short pipe (4).