CN212798571U

CN212798571U - Battery core clamping and discharging device of square lithium battery sheet-making winder

Info

Publication number: CN212798571U
Application number: CN202020779002.6U
Authority: CN
Inventors: 李志军; 卢贤权
Original assignee: Dongguan Hongyu Intelligent Equipment Co ltd
Current assignee: Dongguan Hongyu Intelligent Equipment Co ltd
Priority date: 2020-05-12
Filing date: 2020-05-12
Publication date: 2021-03-26
Anticipated expiration: 2030-05-12

Abstract

The utility model relates to an electricity core clamping and unloading device of a square lithium battery sheet-making winder, which comprises a rotary transposition mechanism, a telescopic component, a pneumatic finger, a left clamp plate, a right clamp plate, a left limiting plate, a right limiting plate and a needle-shaped cylinder, wherein the pneumatic finger drives the left clamp plate and the right clamp plate to shrink to pre-clamp an electricity core; needle type cylinder drive left limiting plate, thereby the right side limiting plate small displacement struts and prevents left splint, right side splint excessively press from both sides tight electric core, the needle type cylinder can be according to the thickness adjustment of rolling up needle and electric core, make can not too tightly prevent to directly press from both sides bad electric core when cliping, it takes off out to roll up the needle more easily under the less condition of electric core low pressure clamping-force simultaneously, can not take out the diaphragm and take out the bad phenomenon of needle, and electric core thickness attenuation has been taken out when rolling up the needle, needle type cylinder withdrawal left side splint, the shrink of right side splint further presss from both sides tight electric core, rotate transposition mechanism, flexible subassembly cooperatees and transfers electric core to the station of needs and accomplish the unloading, be favorable to improving the accuracy.

Description

Battery core clamping and discharging device of square lithium battery sheet-making winder

Technical Field

The utility model relates to a lithium ion battery manufacture equipment field, concretely relates to square lithium cell film-making winder's electric core clamp gets discharge apparatus.

Background

A slice-making winder, called as lithium ion battery slice-making winder, is a mechanical device for manufacturing lithium ion battery, the lithium ion battery is composed of positive and negative pole slices, diaphragms and pole lugs, because the lithium ion battery is divided into square and cylindrical according to the shape, the slice-making winder can be classified into square slice-making winder and cylindrical slice-making winder, the battery manufacturing process of the existing slice-making winder is that the pole lugs are respectively welded on the positive and negative pole slices, then the positive and negative pole slices and the diaphragms are wound to form a battery cell, finally a winding needle is drawn out from the battery cell, the bare battery cell is clamped and discharged by a discharging device, the main defect of the existing discharging device is that when the discharging clamp clamps clamp the battery cell, the battery cell is pressed with indentation due to over-large air pressure, and if the pressing is too tight, a large friction force is formed between the isolating membrane and the winding needle, the diaphragms in the battery cell are easily taken out to cause bad needle drawing, these defects can seriously affect the quality and service life of the battery.

SUMMERY OF THE UTILITY MODEL

There is the defect to prior art, the utility model aims to solve the technical problem that how to guarantee that the in-process electricity core of unloading can not damage and pull out the needle and harmfully cause electric core to scrap because of pressing from both sides too tightly, concrete technical scheme as follows:

the cell clamping and unloading device of the square lithium battery sheet-making winder comprises a rotary transposition mechanism, a telescopic assembly, a pneumatic finger, a left clamping plate, a right clamping plate, a left limiting plate, a right limiting plate and a needle type cylinder, wherein the rotary transposition mechanism drives the telescopic assembly to rotate, the telescopic assembly drives the pneumatic finger to move, a left clamping jaw of the pneumatic finger is connected with the left clamping plate, a right clamping jaw of the pneumatic finger is connected with the right clamping plate, the left limiting plate is installed at the top of the left clamping plate, the right limiting plate is installed at the top of the right clamping plate, the needle type cylinder is installed on the right limiting plate, and the pneumatic finger drives the left clamping plate and the right clamping plate; thereby needle type cylinder drive left limiting plate, right limiting plate small displacement strut prevents that left splint, right splint from excessively pressing from both sides tight electric core.

As a preferred scheme of the utility model, rotate transposition mechanism and include servo motor, first synchronizing wheel, hold-in range, second synchronizing wheel, roating seat, the first synchronizing wheel of servo motor output shaft installation, first synchronizing wheel passes through synchronous belt drive and connects the second synchronizing wheel, and the second synchronizing wheel is installed in the roating seat rear end, the flexible subassembly of roating seat front end installation.

As a preferred scheme of the utility model, flexible subassembly includes the flexible slip table cylinder of first flexible slip table cylinder and second.

As a preferred scheme of the utility model, during pneumatic finger drive left splint, right splint loosened the waste material box that unqualified electric core fell into the below, pneumatic finger drive left splint, right splint loosened qualified electric core and carried qualified electric core and transfer the subassembly.

The utility model has the advantages that: after the pneumatic finger drives the left clamping plate and the right clamping plate to contract and pre-clamp the battery cell; needle type cylinder drive left limiting plate, thereby the right side limiting plate small displacement struts and prevents left splint, right side splint excessively press from both sides tight electric core, the needle type cylinder can be according to the thickness adjustment of rolling up needle and electric core, make can not too tightly prevent to directly press from both sides bad electric core when cliping, it takes off out to roll up the needle more easily under the less condition of electric core low pressure clamping-force simultaneously, can not take out the diaphragm and take out the bad phenomenon of needle, and electric core thickness attenuation has been taken out when rolling up the needle, needle type cylinder withdrawal left side splint, the shrink of right side splint further presss from both sides tight electric core, rotate transposition mechanism, flexible subassembly cooperatees and transfers electric core to the station of needs and accomplish the unloading, be favorable to improving the accuracy.

Drawings

Fig. 1 is an overall perspective view of the present invention;

fig. 2 is a perspective view of the pneumatic finger, the left clamping plate, the right clamping plate, the left limiting plate, the right limiting plate and the needle cylinder of the present invention;

fig. 3 is a perspective view of the rejected battery cell of the present invention when it is placed in the waste box;

fig. 4 is a perspective view of the qualified battery cell of the present invention when the qualified battery cell is placed in the qualified battery cell transfer assembly.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:

in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the indicated position or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.

As shown in fig. 1 and 2, the cell clamping and discharging device of the square lithium battery sheet-making winder comprises a rotary transposition mechanism, a telescopic assembly, a pneumatic finger 1, a left clamping plate 2, a right clamping plate 3, a left limiting plate 4, a right limiting plate 5 and a needle type cylinder 6, wherein the rotary transposition mechanism drives the telescopic assembly to rotate, the telescopic assembly drives the pneumatic finger to move, a left clamping jaw of the pneumatic finger 1 is connected with the left clamping plate 2, a right clamping jaw of the pneumatic finger 1 is connected with the right clamping plate 3, the left limiting plate 4 is installed at the top of the left clamping plate 2, the right limiting plate 5 is installed at the top of the right clamping plate 3, the needle type cylinder 6 is installed at the right limiting plate, and the pneumatic finger 1 drives the left clamping plate 2 and the right clamping; thereby needle type cylinder drive left limiting plate 4, 5 small displacement of right limiting plate strut and prevent that left splint 2, right splint 3 from excessively pressing from both sides tight electricity core A.

Specifically, the rotation transposition mechanism comprises a servo motor 7, a first synchronous wheel 8, a synchronous belt 9, a second synchronous wheel 10 and a rotary seat 11, the first synchronous wheel 8 is installed on an output shaft of the servo motor, the first synchronous wheel 8 is connected with the second synchronous wheel 10 through the synchronous belt 9 in a transmission mode, the second synchronous wheel 10 is installed at the rear end of the rotary seat 11, and a telescopic assembly is installed at the front end of the rotary seat 11.

Specifically, flexible subassembly includes the flexible slip table cylinder 13 of first flexible slip table cylinder 12 and second, and the flexible slip table cylinder 13 of first flexible slip table cylinder 12 and second makes pneumatic finger 1's removal have two strokes, only need shrink the stroke of a flexible slip table cylinder on the way of transferring, reduces to stretch out the stroke of transferring electric core after pressing from both sides tight electric core A, need not return completely and stretch out again, and the clip is stabilized to short stroke moves the action.

As shown in fig. 3 and 4, after the winding machine senses that there is a problem in the battery cell or the battery cell is loose in the process of winding the battery cell, the rotation transposition mechanism drives the pneumatic finger 1 to rotate for 90 degrees for transposition, the pneumatic finger 1 drives the left clamping plate 2 and the right clamping plate 3 to loosen an unqualified battery cell and fall into the waste material box 14 below, when the battery cell a is qualified, the rotation transposition mechanism drives the pneumatic finger 1 to rotate for 180 degrees for transposition, and the pneumatic finger 1 drives the left clamping plate 2 and the right clamping plate 3 to loosen a qualified battery cell and convey the qualified battery cell to the qualified battery cell transferring assembly 15.

The above description is provided for the purpose of describing the present invention in more detail with reference to the preferred embodiments, and it should not be construed that the present invention is limited to these descriptions, and it will be apparent to those skilled in the art that the present invention can be implemented in many ways without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a discharge apparatus is got to electric core clamp of square lithium cell film-making winder which characterized in that: the device comprises a rotary transposition mechanism, a telescopic assembly, a pneumatic finger, a left clamping plate, a right clamping plate, a left limiting plate, a right limiting plate and a needle type cylinder, wherein the rotary transposition mechanism drives the telescopic assembly to rotate, the telescopic assembly drives the pneumatic finger to move, a left clamping jaw of the pneumatic finger is connected with the left clamping plate, a right clamping jaw of the pneumatic finger is connected with the right clamping plate, the left limiting plate is installed at the top of the left clamping plate, the right limiting plate is installed at the top of the right clamping plate, the needle type cylinder is installed at the right limiting plate, and the pneumatic finger drives the left clamping plate and the right clamping plate; thereby needle type cylinder drive left limiting plate, right limiting plate small displacement strut prevents that left splint, right splint from excessively pressing from both sides tight electric core.

2. The battery cell clamping and unloading device of the square lithium battery sheet-making and winding machine of claim 1, which is characterized in that: the rotation transposition mechanism comprises a servo motor, a first synchronizing wheel, a synchronous belt, a second synchronizing wheel and a rotary seat, wherein the first synchronizing wheel is installed on an output shaft of the servo motor, the first synchronizing wheel is connected with the second synchronizing wheel through synchronous belt transmission, the second synchronizing wheel is installed at the rear end of the rotary seat, and a telescopic assembly is installed at the front end of the rotary seat.

3. The battery cell clamping and unloading device of the square lithium battery sheet-making and winding machine according to claim 1 or 2, characterized in that: the telescopic assembly comprises a first telescopic sliding table cylinder and a second telescopic sliding table cylinder.

4. The battery cell clamping and unloading device of the square lithium battery sheet-making and winding machine of claim 1, which is characterized in that: the pneumatic finger drives the left clamping plate and the right clamping plate to loosen unqualified electric cores and fall into a waste material box below, and the pneumatic finger drives the left clamping plate and the right clamping plate to loosen qualified electric cores and convey the qualified electric cores to the qualified electric core transferring assembly.