CN219937112U - Battery cell insulating film covering mechanism - Google Patents

Abstract

The utility model discloses an electric core insulating film wrapping mechanism which comprises a frame, a material roll unreeling device, a material receiving platform, a separating and shearing mechanism, a film wrapping mechanism and a rolling mechanism, wherein the material roll unreeling device, the material receiving platform, the separating and shearing mechanism, the film wrapping mechanism and the rolling mechanism are arranged on the frame, the separating and shearing mechanism and the film wrapping mechanism are arranged on the frame adjacently, the material roll unreeling device, the material receiving platform and the rolling mechanism are arranged above the separating and shearing mechanism, the material receiving platform is positioned at the output end of the material roll unreeling device, the material receiving platform is a platform for splicing a material belt, the separating and shearing mechanism is used for separating a film from release paper and shearing the film, the film wrapping mechanism is positioned at the output end of the separating and shearing mechanism and used for wrapping the sheared film outside a workpiece, and the rolling mechanism is used for rolling the separated release paper. The battery cell insulating film wrapping mechanism does not need to replace the whole coil material belt, and can improve the convenience of unreeling.

Description

Battery cell insulating film covering mechanism

Technical Field

The utility model relates to the field of lithium battery production equipment, in particular to a battery cell insulating film coating mechanism.

Background

With the rapid development of society, lithium batteries have been widely used, for example, in the field of new energy automobiles, because of their light weight, high energy storage density, long service life, and the like.

At present, in the manufacturing process of lithium batteries, a layer of insulating film needs to be wrapped outside a battery cell, the insulating film is often unreeled in a whole roll during film wrapping, the whole roll needs to be replaced after the material belt is completely unreeled, and therefore the problem is that the material belt at the winding wheel needs to be replaced and debugged again, so that the whole time is more, the efficiency is lower, and the existing production requirements cannot be met.

Therefore, a need exists for a cell insulation film mechanism suitable for use in an overall cell insulation test that overcomes the above-described drawbacks.

Disclosure of Invention

In view of the problems mentioned in the background art, an object of the present utility model is to provide a battery cell insulation film wrapping mechanism that does not require replacement of the entire roll material tape, and that can improve the convenience of unreeling.

In order to achieve the above purpose, the battery cell insulating film wrapping mechanism provided by the utility model comprises a frame, a material roll unreeling device, a material receiving platform, a separation shearing mechanism, a film wrapping mechanism and a rolling mechanism, wherein the material roll unreeling device, the material receiving platform and the rolling mechanism are arranged on the frame, the separation shearing mechanism and the film wrapping mechanism are adjacently arranged on the frame, the material roll unreeling device, the material receiving platform and the rolling mechanism are arranged above the separation shearing mechanism, the material receiving platform is positioned at the output end of the material roll unreeling device, the material receiving platform is a platform for splicing a material strip, the separation shearing mechanism is used for separating a film from release paper and shearing the film, the film wrapping mechanism is positioned at the output end of the separation shearing mechanism, the film wrapping mechanism is used for wrapping the sheared film outside a workpiece, and the rolling mechanism is used for rolling the separated release paper.

Preferably, the receiving platform comprises a platform, a first positioning block, a second positioning block and a detection device, wherein the platform is installed on the frame, the first positioning block is installed on the input end of the platform, the second positioning block is installed on the output end of the platform, the detection device is installed on the bottom of the platform, the first positioning block is provided with a first through hole for the material belt to pass through, and the second positioning block is provided with a second through hole for the material belt to pass through.

Preferably, the separating and shearing mechanism comprises a shearing moving device and a shearing cutter, the shearing moving device is installed on the frame, the shearing cutter is installed at the output end of the shearing moving device, and the shearing cutter moves under the driving of the shearing moving device.

Preferably, the coating mechanism comprises a coating roller rotatably mounted to the frame.

Specifically, the coating mechanism further comprises a coating driving device, the coating driving device is installed on the frame, the coating roller is installed at the output end of the coating driving device, and the coating roller rolls under the driving of the coating driving device.

Specifically, the battery cell insulating film coating mechanism also comprises a bottom jacking device, the bottom jacking device is installed on the frame, the bottom jacking device comprises a lifting frame, a rotating wheel driving device and a rotating wheel, the lifting frame is installed on the frame, the rotating wheel driving device is installed on the lifting frame, the lifting frame is in a liftable setting, the rotating wheel is installed at the output end of the rotating wheel driving device, and the rotating wheel is driven by the rotating wheel driving device to rotate.

Specifically, a coating station is formed between the rotating wheel and the coating roller.

Specifically, the cell insulating film coating mechanism further comprises a workpiece conveying device, wherein the workpiece conveying device is arranged on the frame and is used for conveying workpieces to the coating station or withdrawing the workpieces from the coating station.

Preferably, the electric core insulating film wrapping mechanism further comprises a deviation rectifying mechanism, the frame comprises an upper movable plate and a lower fixed plate, the upper movable plate is slidably mounted on the lower fixed plate, the material roll unreeling device, the material receiving platform and the reeling mechanism are mounted on the upper movable plate, the separating shearing mechanism and the film wrapping mechanism are mounted on the lower fixed plate, the deviation rectifying mechanism comprises a deviation rectifying position detecting device and a movable plate movement driving device, the deviation rectifying position detecting device is mounted on the upper movable plate, the deviation rectifying position detecting device is used for detecting the position of a material belt, the deviation rectifying position detecting device is electrically connected with the movable plate movement driving device, the movable plate movement driving device is mounted on the frame, the upper movable plate is mounted on the output end of the movable plate movement driving device, and the upper movable plate is driven by the movable plate movement driving device to move.

Specifically, a guiding component for guiding is arranged between the upper movable plate and the lower fixed plate.

Compared with the prior art, the battery cell insulating film wrapping mechanism is combined together through the material roll unreeling device, the material receiving platform, the separating shearing mechanism, the wrapping mechanism, the winding mechanism and the like, the separating shearing mechanism and the wrapping mechanism are adjacently arranged on the frame, the material roll unreeling device, the material receiving platform and the winding mechanism are arranged above the separating shearing mechanism, the material receiving platform is positioned at the output end of the material roll unreeling device, the material receiving platform is a platform for splicing a material belt, the separating shearing mechanism is used for separating the film from the release paper and shearing the film, the wrapping mechanism is positioned at the output end of the separating shearing mechanism, the wrapping mechanism is used for wrapping the sheared film outside a workpiece, the winding mechanism is used for winding the separated release paper, and due to the fact that the material receiving platform is arranged, the material receiving platform provides a material receiving position for a user, when the material roll unreeling is completed, an original material roll can be cut off directly at the material receiving platform and taken out, and a new material roll is taken out at the material receiving platform, thus the convenience of whole roll taking out is not needed, and the convenience of replacement is improved.

Drawings

For a clearer description of the technical solutions of the embodiments of the present utility model, the following brief description will be given of the drawings needed in the embodiments, it being understood that the following drawings illustrate only some examples of the utility model and therefore should not be considered limiting of the scope, and that other relevant drawings can be obtained from them without inventive effort for a person skilled in the art, in which:

fig. 1 is a schematic perspective view of a cell insulation film mechanism of the present utility model;

FIG. 2 is a schematic view of another perspective of the insulation film mechanism of the present utility model;

FIG. 3 is a front view of the cell insulation film mechanism of the present utility model;

fig. 4 is a front view of the battery cell insulation film wrapping mechanism of the utility model after the material tape is wound.

Detailed Description

In order to make the objects, technical solutions, and advantages of the present utility model more apparent, the embodiments of the present utility model will be further described in detail with reference to the accompanying drawings.

In the description of the present utility model, it should be noted that the terms "center," "middle," "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," "side," "vertical," "horizontal," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," second, "" third, "" fourth, "" fifth, "and sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1 to 4, an insulation film wrapping mechanism 100 for a battery cell includes a frame 1, a material roll unreeling device 3, a material receiving platform 2, a separation shearing mechanism 4, a film wrapping mechanism 5 and a winding mechanism 6, wherein the material roll unreeling device 3, the material receiving platform 2, the separation shearing mechanism 4, the film wrapping mechanism 5 and the winding mechanism 6 are mounted on the frame 1. The separating and shearing mechanism 4 is arranged on the frame 1 adjacent to the coating mechanism 5, the material roll unreeling device 3, the material receiving platform 2 and the reeling mechanism 6 are arranged above the separating and shearing mechanism 4, the material roll unreeling device 3, the material receiving platform 2 and the reeling mechanism 6 are sequentially arranged from left to right along the left-right direction of the frame 1, the material receiving platform 2 is positioned at the output end of the material roll unreeling device 3, the material receiving platform 2 is a platform 21 for splicing a material strip, the separating and shearing mechanism 4 is used for separating a diaphragm from a piece of paper and shearing the diaphragm, the coating mechanism 5 is positioned at the output end of the separating and shearing mechanism 4, the coating mechanism 5 is used for wrapping the sheared diaphragm outside a workpiece, the reeling mechanism 6 is used for reeling the separated piece of paper, and due to the arrangement of the material receiving platform 2, when the material roll unreeling is completed, the raw material roll can be cut off and taken out directly at the material receiving platform 2, and the new material roll is taken out at the material receiving platform 2, thus the whole roll is not required to be taken out, the convenience is improved, and the structure is also simple. More specifically, the following are:

referring to fig. 1 to 4, the receiving platform 2 includes a platform 21, a first positioning block 22, a second positioning block 23 and a detecting device 24, the platform 21 is mounted on the frame 1, the first positioning block 22 is mounted at an input end of the platform 21, the second positioning block 23 is mounted at an output end of the platform 21, the detecting device 24 is mounted at a bottom of the platform 21, the first positioning block 22 is provided with a first through hole 221 through which a feeding belt passes, and the second positioning block 23 is provided with a second through hole 231 through which the feeding belt passes.

Referring to fig. 2 to 4, the separating and cutting mechanism 4 includes a cutting moving device 41 and a cutting tool 42, the cutting moving device 41 is mounted on the frame 1, the cutting tool 42 is mounted on an output end of the cutting moving device 41, the cutting tool 42 moves under the driving of the cutting moving device 41, the cutting tool 42 cuts a separated film sheet by moving, and the film sheet is separated from the release paper at the cutting tool 42 (the separating state can be specifically referred to as a position of the cutting tool 42 in fig. 4).

Referring to fig. 1 to 4, the coating mechanism 5 includes a coating roller 51, and the coating roller 51 is rotatably mounted to the frame 1. The coating mechanism 5 further comprises a coating driving device 52, the coating driving device 52 is installed on the frame 1, the coating roller 51 is installed at the output end of the coating driving device 52, and the coating roller 51 rolls under the driving of the coating driving device 52.

Referring to fig. 1 to 4, the insulating film mechanism for a battery cell package further includes a bottom jacking device 7, the bottom jacking device 7 is mounted on the frame 1, the bottom jacking device 7 includes a lifting frame 71, a rotating wheel driving device 72 and a rotating wheel 73, the lifting frame 71 is mounted on the frame 1, the rotating wheel driving device 72 is mounted on the lifting frame 71, the lifting frame 71 is in a liftable arrangement, the rotating wheel 73 is mounted at an output end of the rotating wheel driving device 72, and the rotating wheel 73 rotates under the driving of the rotating wheel driving device 72. Specifically, the coating station 8 is formed between the rotating wheel 73 and the coating roller 51. When the workpiece is conveyed to the coating station 8, the workpiece rises to the lower part of the coating roller 51 under the lifting of the rotating wheel 73, and the film sheet is coated on the outer side of the workpiece 200 along with the rotation of the rotating wheel 73 and the coating roller 51. It will be appreciated that the workpiece 200 is only lifted a small distance and the workpiece transport device 9 positions both sides of the workpiece, thereby effectively avoiding workpiece movement.

Referring to fig. 1 to 4, the cell insulating film coating mechanism further includes a workpiece conveying device 9, the workpiece conveying device 9 is mounted on the frame 1, and the workpiece conveying device 9 is used for conveying workpieces to the coating station 8 or withdrawing workpieces from the coating station 8. The workpiece conveying device 9 is provided with a carrier for positioning the workpiece 200.

Referring to fig. 1 to 4, the insulating film mechanism for a battery core further includes a deviation rectifying mechanism 10, the frame 1 includes an upper movable plate 11 and a lower fixed plate 12, the upper movable plate 11 is slidably mounted on the lower fixed plate 12, the upper movable plate 11 moves along the left-right direction of the frame 1, the material roll unreeling device 3, the material receiving platform 2 and the reeling mechanism 6 are mounted on the upper movable plate 11, the separating shearing mechanism 4 and the coating mechanism 5 are mounted on the lower fixed plate 12, the deviation rectifying mechanism 10 includes a deviation rectifying position detecting device 10a and a movable plate moving driving device 10b, the deviation rectifying position detecting device 10a is mounted on the upper movable plate 11, the deviation rectifying position detecting device 10a is used for detecting the position of a material belt, the deviation rectifying position detecting device 10a is electrically connected with the movable plate moving driving device 10b, the movable plate moving driving device 10b is mounted on the frame 1, the upper movable plate 11 is mounted on the output end of the movable plate moving driving device 10b, and the upper movable plate 11 moves along the left-right direction of the frame 1 under the driving of the movable plate moving driving device 10 b. Preferably, a guiding component (not shown) for guiding is arranged between the upper movable plate 11 and the lower fixed plate 12, for example, the guiding component comprises a sliding block and a sliding rail, one of the sliding block and the sliding rail is installed on the upper movable plate 11, the other of the sliding block and the sliding rail is installed on the lower fixed plate 12, and the sliding block is slidably arranged on the sliding rail.

The working principle of the cell insulation film mechanism of the present utility model is described in detail below with reference to fig. 1 to 4, specifically, as follows:

the workpiece conveying device 9 is used for conveying the workpiece 200 to the coating station 8, the material roll unreeling device 3 unreels a material strip, the material strip comprises a film sheet and release paper (the film sheet and the release paper are in a solid line track a shown in fig. 4, the release paper is in a broken line track b shown in fig. 4), the material strip enters the receiving platform 2, when entering the receiving platform 2, a producer inserts a new material roll and outputs at the receiving platform 2, the material strip is input into the separating shearing mechanism 4, the material strip winds around the shearing cutter 42 arranged at the separating shearing mechanism 4 and is separated at the shearing cutter 42, the shearing cutter 42 moves under the drive of the shearing moving device 41, the sheared film sheet is sheared by moving, the workpiece rises to the lower part of the coating roller 51 under the lifting of the rotating wheel 73, the sheared film sheet is wrapped outside the workpiece by the rolling of the coating roller 51, the workpiece falls to the workpiece conveying device 9 under the lifting of the rotating wheel 73 along with the rotation of the rotating wheel 73 and the coating roller 51, and the workpiece is evacuated from the coating station 8.

Through the combination of material roll unreeling device 3, connect material platform 2, separation shearing mechanism 4, coating mechanism 5 and winding mechanism 6 etc. separate shearing mechanism 4 and coating mechanism 5 are installed in frame 1 adjacently, material roll unreeling device 3, connect material platform 2 and winding mechanism 6 are installed in the top of separation shearing mechanism 4, connect material platform 2 to be located the output of material roll unreeling device 3, connect material platform 2 to be a platform 21 that is used for the concatenation material area, separation shearing mechanism 4 is used for separating diaphragm and from the type paper and shearing the diaphragm, coating mechanism 5 is located the output of separation shearing mechanism 4, coating mechanism 5 is used for wrapping up the diaphragm after cutting outside the work piece, winding mechanism 6 is used for rolling the release paper after the separation, owing to set up and connect material platform 2, connect material platform 2 to provide the position of a material that connects the user, when the material roll is unreeled, can cut out the former material roll and take out in material platform 2 department directly, take out new material roll and connect the material in material platform 2 department, just so need not to take out entirely, improve the convenience of changing simple structure still has advantages.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. The utility model provides an electricity core package insulating film mechanism, its characterized in that includes the frame with install in the material of frame is rolled up unreeling device, connect the material platform, separate shearing mechanism, diolame mechanism and winding mechanism, separate shearing mechanism with the diolame mechanism is installed adjacently in the frame, the material is rolled up unreeling device, connect the material platform with winding mechanism install in separate shearing mechanism's top, connect the material platform to be located the output of material is rolled up unreeling device, connect the material platform to be a platform that is used for splice the material area, separate shearing mechanism is used for separating diaphragm and from type paper and cuts the diaphragm, diolame mechanism is located separate shearing mechanism's output, diolame mechanism is used for wrapping up the diaphragm after cutting outside the work piece, winding mechanism is used for rolling up the type paper that separates after separating.

2. The battery cell insulating film covering mechanism according to claim 1, wherein the material receiving platform comprises a platform, a first positioning block, a second positioning block and a detection device, the platform is mounted on the frame, the first positioning block is mounted on an input end of the platform, the second positioning block is mounted on an output end of the platform, the detection device is mounted on the bottom of the platform, the first positioning block is provided with a first through hole for passing the material belt, and the second positioning block is provided with a second through hole for passing the material belt.

3. The cell insulation film covering mechanism according to claim 1, wherein the separation and shearing mechanism comprises a shearing moving device and a shearing cutter, the shearing moving device is mounted on the frame, the shearing cutter is mounted on an output end of the shearing moving device, and the shearing cutter moves under the drive of the shearing moving device.

4. The cell insulation film coating mechanism of claim 1, wherein the film coating mechanism comprises a film coating roller rotatably mounted to the frame.

5. The cell pack insulation film mechanism according to claim 4, wherein the pack mechanism further comprises a pack driving device, the pack driving device is mounted on the frame, the pack roller is mounted on an output end of the pack driving device, and the pack roller rolls under the drive of the pack driving device.

6. The battery cell insulating film covering mechanism according to claim 5, further comprising a bottom jacking device, wherein the bottom jacking device is mounted on the frame, the bottom jacking device comprises a lifting frame, a rotating wheel driving device and a rotating wheel, the lifting frame is mounted on the frame, the rotating wheel driving device is mounted on the lifting frame, the lifting frame is in a lifting arrangement, the rotating wheel is mounted on an output end of the rotating wheel driving device, and the rotating wheel is driven by the rotating wheel driving device to rotate.

7. The cell insulation film coating mechanism of claim 6, wherein a coating station is formed between the rotating wheel and the coating roller.

8. The die pack insulating film mechanism of claim 7, further comprising a workpiece transport device mounted to said frame for transporting workpieces to or from said coating station.

9. The battery cell insulating film covering mechanism according to claim 1, further comprising a deviation rectifying mechanism, wherein the frame comprises an upper movable plate and a lower fixed plate, the upper movable plate is slidably mounted on the lower fixed plate, the material roll unreeling device, the material receiving platform and the reeling mechanism are mounted on the upper movable plate, the separation shearing mechanism and the film covering mechanism are mounted on the lower fixed plate, the deviation rectifying mechanism comprises a deviation rectifying position detecting device and a movable plate movement driving device, the deviation rectifying position detecting device is mounted on the upper movable plate, the deviation rectifying position detecting device is used for detecting the position of a material belt, the deviation rectifying position detecting device is electrically connected with the movable plate movement driving device, the movable plate movement driving device is mounted on the frame, the upper movable plate is mounted on an output end of the movable plate movement driving device, and the upper movable plate moves under the driving of the movable plate movement driving device.

10. The cell insulation film covering mechanism according to claim 9, wherein a guide member for guiding is provided between the upper movable plate and the lower fixed plate.