CN109366548B

CN109366548B - Lithium ion battery is cutting equipment for diaphragm convenient to cut off fast

Info

Publication number: CN109366548B
Application number: CN201811156989.XA
Authority: CN
Inventors: 赵新; 蒲明良
Original assignee: Hunan Runyuan New Material Co ltd
Current assignee: Hunan Runyuan New Material Co ltd
Priority date: 2018-09-30
Filing date: 2018-09-30
Publication date: 2021-09-07
Anticipated expiration: 2038-09-30
Also published as: CN109366548A

Abstract

The invention relates to the technical field of diaphragm cutting, in particular to a cutting device for lithium ion battery diaphragms, which is convenient to cut quickly and comprises a shearing machine, a cutting device, a collecting device and a crease-resist device, wherein a groove is formed in the front end face of the shearing machine, a fixed box is fixedly connected to the inner side of the groove, the cutting device is fixedly connected to the inner side of the fixed box, a diaphragm outlet is formed in the side wall of the rear end of the groove, the collecting device and a controller which are arranged on the left and right sides are fixedly connected to the bottom end of the front end face of the shearing machine, and the crease-resist device is fixedly connected to the inner side of the collecting device.

Description

Lithium ion battery is cutting equipment for diaphragm convenient to cut off fast

Technical Field

The invention relates to the technical field of diaphragm cutting, in particular to a cutting device for a lithium ion battery diaphragm, which is convenient to cut off quickly.

Background

In the structure of the lithium battery, a diaphragm is one of key inner layer components, the performance of the diaphragm determines the interface structure, internal resistance and the like of the battery, the characteristics of the battery such as capacity, circulation, safety performance and the like are directly influenced, the diaphragm with excellent performance has an important effect on improving the comprehensive performance of the battery, the main effect of the diaphragm is to separate the positive electrode and the negative electrode of the battery and prevent the two electrodes from being in contact with each other to cause short circuit, along with the increase of the demand of people on the battery, battery processing plants are continuously increased, but some problems can occur in the production process of part of processing plants, such as the cutting-off work of the lithium battery diaphragm, and some defects can exist when the cutting-off work is carried out on part of cutting-off equipment used by the factories.

Some cutting equipment that are used at present in lithium cell production field are cutting off the during operation, when the cutting off cutter becomes blunt, because blade and diaphragm area of contact are too big, the diaphragm that appears cutting off incompletely easily still can lead to the diaphragm fold, some cutting equipment do not concentrate the collection to the diaphragm in addition, the diaphragm of cutting off scatters everywhere, not only is difficult to collect, still leads to the diaphragm to drop easily and is infected with the dust to and the diaphragm surface fold, consequently, propose a lithium ion battery diaphragm that is convenient for cut off fast and use cutting equipment to above-mentioned problem.

Disclosure of Invention

The invention aims to provide a cutting device for a lithium ion battery diaphragm, which is convenient to cut quickly, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a lithium ion battery is cutting equipment for diaphragm convenient to cut off fast, includes cutter, cutting device, collection device and crease-resistance device, the terminal surface is seted up flutedly before the cutter, the inboard fixed connection of recess has the fixed case, the inboard fixed connection of fixed case has cutting device, the rear end lateral wall of recess has been seted up out the membrane mouth, the collection device and the controller that set up about cutter front end face bottom fixedly connected with is, the inboard fixedly connected with crease-resistance device of collection device.

Preferably, the cutting device comprises a sliding block, a first blade, a third threaded shaft, a rotating block, a first threaded shaft and a first motor, the first motor is fixedly connected to the inner side of the left end face of the fixed box, the first threaded shaft is fixedly connected to the tail end of a main shaft of the first motor and is rotatably connected with the fixed box, the sliding block is spirally connected to the outer side of the first threaded shaft and is slidably connected with the shearing machine, the first blade is slidably connected to the outer side of the sliding block, the rotating block is rotatably connected to the bottom end face of the sliding block through a rotating shaft, the third threaded shaft is spirally connected to the inner side of the rotating block and is rotatably connected with the first blade.

Preferably, the cutting device comprises a fixed frame, a tool rest, a second blade, a positioning frame, a fourth threaded shaft, a second motor, a first driving gear, a first driven gear and a second threaded shaft, the inner side of the top end surface of the fixed box is fixedly connected with a second motor, the tail end of a main shaft of the second motor is fixedly connected with a first driving gear, the outer side of the first driving gear is engaged with a first driven gear, the central position of the first driven gear is fixedly connected with a second threaded shaft, the second threaded shaft is rotationally connected with the fixed box, the bottom end of the outer side of the second threaded shaft is spirally connected with a fixed frame, the inner side of the fixed frame is connected with a tool rest in a sliding way, the bottom end surface of the tool rest is fixedly connected with a second blade, the outer side of the knife rest is connected with a positioning frame in a sliding mode, the inner side of the positioning frame is connected with a fourth threaded shaft in a sliding mode, and the fourth threaded shaft is in threaded connection with the fixing frame.

Preferably, the collecting device comprises a collecting box, a supporting rod, a roller, a second driving gear, a second driven gear, a third motor and an auxiliary block, the collecting box is fixedly connected to the front end face of the shearing machine, the supporting rods are fixedly connected to the left side and the right side of the top end face of the collecting box, the auxiliary block is fixedly connected to the rear end of the top end face of the collecting box, the right end of the supporting rod is fixedly connected to the third motor, a main shaft of the third motor penetrates through the supporting rod, the main shaft of the third motor is connected with the supporting rod in a sliding mode, the tail end of the main shaft of the third motor is fixedly connected with the roller through a connecting shaft, the top end of the main shaft is fixedly connected with the second driving gear outside the connecting shaft, the bottom end of the main shaft is fixedly connected with the second driven gear outside the connecting shaft, and the second driving gear is meshed with the second driven gear.

Preferably, the crease-resistance device includes spacing, electric telescopic handle, fourth motor, rolling gear, layer board and rack, the inboard fixedly connected with spacing of collection device, spacing inboard central point of bottom face puts fixedly connected with electric telescopic handle, electric telescopic handle top face fixedly connected with fourth motor, the terminal fixedly connected with rolling gear of main shaft of fourth motor, the inboard sliding connection of spacing has the layer board, the inboard fixedly connected with rack of layer board, and the rack is connected with the rolling gear meshing.

Preferably, the number of the first blades is 2, and the first blades are symmetrically connected to the left side and the right side of the sliding block.

Preferably, the controller is electrically connected with the cutting device, the collecting device, the crease-resist device and the shearing machine.

Preferably, the rear end face of the auxiliary block is arranged in an inclined plane, and the distance from the top end face of the auxiliary block to the center positions of the upper end roller and the lower end roller is 1 cm.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, through the arranged collecting device, the arrangement is matched with the auxiliary block to guide the position of the diaphragm and the rotation of the roller, and the cut diaphragm can be conveyed into the collecting box, so that the centralized collection of the diaphragm is realized, and the diaphragm is prevented from being polluted by the external environment;

2. according to the invention, the arrangement of the second blade is matched with the spiral connection between the first driven gear and the second threaded shaft and the zigzag arrangement of the second blade, so that the initial contact area between the second blade and the diaphragm is reduced, and the diaphragm is better in cutting-off effect under the driving of the second motor;

3. according to the invention, the arrangement of the first blade is matched with the V-shaped arrangement of the first blade and the spiral connection of the sliding block and the first threaded shaft, so that the contact area between the first blade and the diaphragm is reduced to the greatest extent, and the diaphragm is cut off more thoroughly under the driving of the first motor and the cutting efficiency is higher in cooperation with the rotation of the roller;

4. according to the invention, through the arranged supporting plate, the arrangement is matched with the meshing of the rotating gear and the rack and the sliding connection of the supporting plate and the limiting frame, the supporting plate is driven by the fourth motor to swing back and forth, so that the deformed diaphragm automatically resets under the swing, and the phenomenon that the deformed diaphragm is pressed out of folds by other falling diaphragms is avoided.

Drawings

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

FIG. 2 is a schematic view of the mounting structure of the tool holder of the present invention;

FIG. 3 is a schematic view of the installation structure of the auxiliary block of the present invention;

FIG. 4 is a schematic view of the mounting structure of the slider of the present invention;

FIG. 5 is a schematic view of a mounting structure for a second blade of the present invention;

FIG. 6 is a schematic view of the mounting structure of the first blade of the present invention;

FIG. 7 is a schematic view of an installation structure of a second driving gear according to the present invention;

FIG. 8 is a schematic view of the mounting structure of the rack of the present invention;

FIG. 9 is a schematic view of the mounting structure of the pallet of the present invention;

FIG. 10 is a schematic view of the structure of FIG. 2A according to the present invention.

In the figure: 1-shearing machine, 2-cutting device, 201-sliding block, 202-first blade, 203-third threaded shaft, 204-rotating block, 205-first threaded shaft, 206-first motor, 207-fixing frame, 208-tool holder, 209-second blade, 210-positioning frame, 211-fourth threaded shaft, 212-second motor, 213-first driving gear, 214-first driven gear, 215-second threaded shaft, 3-fixing box, 4-collecting device, 401-collecting box, 402-supporting rod, 403-roller, 404-second driving gear, 405-second driven gear, 406-third motor, 407-auxiliary block, 5-controller, 6-crease-resisting device, 601-limiting frame, 602-an electric telescopic rod, 603-a fourth motor, 604-a rotating gear, 605-a supporting plate, 606-a rack, a-a film outlet and a b-a groove.

Detailed Description

Example 1:

referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 6, fig. 7, fig. 8, fig. 9 and fig. 10, the present invention provides a technical solution:

a cutting device for lithium ion battery separator convenient for fast cutting comprises a shearing machine 1, a cutting device 2, a collecting device 4 and a crease-resist device 6, wherein a groove b is formed in the front end face of the shearing machine 1, a fixed box 3 is fixedly connected to the inner side of the groove b, the cutting device 2 is fixedly connected to the inner side of the fixed box 3, the cutting device 2 comprises a sliding block 201, a first blade 202, a third threaded shaft 203, a rotating block 204, a first threaded shaft 205 and a first motor 206, a first motor 206 is fixedly connected to the inner side of the left end face of the fixed box 3, the tail end of a main shaft of the first motor 206 is fixedly connected with the first threaded shaft 205, the first threaded shaft 205 is rotatably connected with the fixed box 3, the sliding block 201 is spirally connected to the outer side of the first threaded shaft 205, the sliding block 201 is slidably connected with the shearing machine 1, the first blade 202 is slidably connected to the outer side of the

sliding block

201, 2 first blades 202 are symmetrically connected to the left side and the right side of the sliding block 201, the arrangement is convenient for the first blade 202 to move back and forth and cut the diaphragm, thereby improving the cutting efficiency, the bottom end surface of the sliding block 201 is rotatably connected with the rotating block 204 through the rotating shaft, the inner side of the rotating block 204 is spirally connected with the third threaded shaft 203, the third threaded shaft 203 is rotatably connected with the first blade 202, through the arrangement, only the third threaded shaft 203 needs to be rotated out, then the rotating block 204 is rotated ninety degrees, the first blade 202 can be taken down, thereby facilitating the disassembly and replacement of the first blade 202, the rear end side wall of the groove b is provided with a film outlet a, the bottom end of the front end surface of the shearing machine 1 is fixedly connected with a collecting device 4 and a controller 5 which are arranged left and right, the collecting device 4 comprises a collecting box 401, a supporting rod 402, a roller 403, a second driving gear 404, a second driven gear 405, a third motor 406 and an auxiliary block 407, the collecting box 401 is fixedly connected with the front end surface of the shearing machine 1, the left side and the right side of the top end face of the collecting box 401 are fixedly connected with supporting rods 402, the rear end of the top end face of the collecting box 401 is fixedly connected with an auxiliary block 407, the rear end face of the auxiliary block 407 is arranged in an inclined plane, the distance from the top end face of the auxiliary block 407 to the central positions of the upper end roller 403 and the lower end roller 403 is 1cm, the arrangement facilitates guiding the diaphragm between the rollers 403, thereby facilitating conveying the cut diaphragm into the collecting box 401 and avoiding the diaphragm from falling to other places, the right end face of the supporting rod 402 at the right end is fixedly connected with a third motor 406, a main shaft of the third motor 406 penetrates through the supporting rod 402, the main shaft of the third motor 406 is connected with the supporting rod 402 in a sliding manner, the tail end of the main shaft of the third motor 406 is fixedly connected with the rollers 403 through a connecting shaft, the outer side of the connecting shaft at the top end is fixedly connected with a second driving gear 404, and the outer side of the connecting shaft at the bottom end is fixedly connected with a second driven gear 405, the second driving gear 404 is meshed and connected with the second driven gear 405, so that the cut diaphragms can be conveniently collected in a centralized manner, the diaphragms are prevented from scattering everywhere and being polluted by foreign matters, the inner side of the collecting device 4 is fixedly connected with a crease-resistant device 6, the crease-resistant device 6 comprises a limiting frame 601, an electric telescopic rod 602, a fourth motor 603, a rotating gear 604, a supporting plate 605 and a rack 606, the inner side of the collecting device 4 is fixedly connected with the limiting frame 601, the central position of the inner side of the bottom end face of the limiting frame 601 is fixedly connected with the electric telescopic rod 602, the top end face of the electric telescopic rod 602 is fixedly connected with the fourth motor 603, the tail end of a main shaft of the fourth motor 603 is fixedly connected with the rotating gear 604, the inner side of the limiting frame 601 is slidably connected with the supporting plate 605, the inner side of the supporting plate 605 is fixedly connected with the rack 606, and the rack 606 is meshed and connected with the rotating gear 604, so that the fallen and deformed diaphragms can be conveniently reset, avoided the diaphragm of deformation to be pressed by other diaphragms that drop and appear the fold, controller 5 and cutting device 2, collection device 4, crease-

resistance device

6 and 1 electric connection of cutter, made things convenient for the control to diaphragm cutting work, diaphragm collection work and diaphragm prevent the fold work through this kind of setting, and easy operation is convenient.

The model of the shearing machine 1 is MQ-320 shearing machine, the model of the first motor 206 is Y90S-4 motor, the model of the third motor 406 is Y90L-4 motor, the model of the controller 5 is 900U controller, the model of the fourth motor 603 is XD-3420-2 motor, and the model of the electric telescopic rod 602 is PXTL electric telescopic rod.

The working process is as follows: all the electrical appliances in the device are external power supplies, when the device is used, the device is started, the shearer 1 controls the membrane to slide out of the membrane outlet a at the moment, the third motor 406 drives the second driving gear 404 to be meshed with the second driven gear 405 to rotate so as to drive the rollers 403 to rotate, when the membrane touches the auxiliary block 407, the membrane is conveyed to the middle position of the two rollers 403 under the guide of the auxiliary block 407, when the membrane reaches a specified length, the controller 5 controls the first motor 206 to drive the first threaded shaft 205 to rotate so as to control the sliding block 201 to drive the first blade 202, the third threaded shaft 203 and the rotating block 204 to move so as to cut the membrane, the cut membrane is conveyed into the limiting frame 601 in the collecting box 401 under the rotation of the rollers 403, the fourth motor 603 in the limiting frame 601 drives the rotating gear 604 to be meshed with the rack 606 so as to control the supporting plate 605 to slide back and forth, deformation reset processing is carried out to the diaphragm that takes place deformation when dropping through this kind of setting, prevent that the diaphragm from being pressed out the fold by later diaphragm after deformation, meanwhile, take place deformation when avoiding the diaphragm to the at utmost to drop, and do not influence the holding capacity of collecting box 401, controller 5 also can control electric telescopic handle 602 earlier and stretch out the longest, then independently shrink according to the volume of the diaphragm that collecting box 401 collected, shorten the height that drops of diaphragm with this, when cutting off the effect not good first blade 202 that needs to be changed, roll out third threaded shaft 203, then make turning block 204 carry out ninety degrees rotations, then take off first blade 202 and change, it can to make third threaded shaft 203 and turning block 204 reset again.

Example 2:

referring to fig. 1, fig. 2, fig. 3, fig. 5, fig. 7, fig. 8, fig. 9 and fig. 10, the present invention provides a technical solution:

a cutting device for lithium ion battery diaphragm convenient for fast cutting comprises a shearing machine 1, a cutting device 2, a collecting device 4 and a crease-resistant device 6, wherein a groove b is formed in the front end face of the shearing machine 1, a fixed box 3 is fixedly connected to the inner side of the groove b, the cutting device 2 is fixedly connected to the inner side of the fixed box 3, the cutting device 2 comprises a fixed frame 207, a tool rest 208, a second blade 209, a positioning frame 210, a fourth threaded shaft 211, a second motor 212, a first driving gear 213, a first driven gear 214 and a second threaded shaft 215, the inner side of the top end face of the fixed box 3 is fixedly connected with the second motor 212, the tail end of a main shaft of the second motor 212 is fixedly connected with the first driving gear 213, the outer side of the first driving gear 213 is connected with the first driven gear 214 in a meshing manner, the central position of the first driven gear 214 is fixedly connected with the second threaded shaft 215, and the second threaded shaft 215 is rotatably connected with the fixed box 3, the bottom end of the outer side of the second threaded shaft 215 is spirally connected with a fixing frame 207, the inner side of the fixing frame 207 is slidably connected with a tool rest 208, the bottom end face of the tool rest 208 is fixedly connected with a second blade 209, the outer side of the tool rest 208 is slidably connected with a positioning frame 210, the inner side of the positioning frame 210 is slidably connected with a fourth threaded shaft 211, the fourth threaded shaft 211 is spirally connected with the fixing frame 207, the fourth threaded shaft 211 is rotated out through the arrangement, then the positioning frame 210 is rotated to separate the tool rest 208 from limit, so that the second blade 209 can be conveniently and rapidly detached and replaced, the time waste caused by replacing the second blade 209 is reduced to the maximum extent, the rear end side wall of the groove b is provided with a film outlet a, the bottom end of the front end face of the shearing machine 1 is fixedly connected with a collecting device 4 and a controller 5 which are arranged on the left and right, the collecting device 4 comprises a collecting box 401, a supporting rod 402, a roller 403, a second driving gear 404, a second driven gear 405, A third motor 406 and an auxiliary block 407, the front end face of the shearing machine 1 is fixedly connected with a collecting box 401, the left side and the right side of the top end face of the collecting box 401 are fixedly connected with supporting rods 402, the rear end face of the top end face of the collecting box 401 is fixedly connected with the auxiliary block 407, the rear end face of the auxiliary block 407 is arranged in an inclined plane, the distance from the top end face of the auxiliary block 407 to the central positions of an upper end roller 403 and a lower end roller 403 is 1cm, the arrangement is convenient for guiding the diaphragm between the rollers 403, thereby facilitating conveying the cut diaphragm into the collecting box 401, avoiding the diaphragm from falling to other places, the right end face of the supporting rod 402 at the right end is fixedly connected with a third motor 406, a main shaft of the third motor 406 penetrates through the supporting rod 402, the main shaft of the third motor 406 is slidably connected with the supporting rod 402, the tail end of the main shaft of the third motor 406 is fixedly connected with the rollers 403 through a connecting shaft, a second driving gear 404 is fixedly connected outside the connecting shaft at the top end, the outer side of the connecting shaft at the bottom end is fixedly connected with a second driven gear 405, the second driving gear 404 is meshed and connected with the second driven gear 405, the cut diaphragm is conveniently collected in a centralized manner through the arrangement, the scattering of the diaphragm everywhere is avoided, and the pollution of foreign matters to the diaphragm is also avoided, the inner side of the collecting device 4 is fixedly connected with a crease-resistant device 6, the crease-resistant device 6 comprises a limiting frame 601, an electric telescopic rod 602, a fourth motor 603, a rotating gear 604, a supporting plate 605 and a rack 606, the inner side of the collecting device 4 is fixedly connected with the limiting frame 601, the center position of the inner side of the bottom end surface of the limiting frame 601 is fixedly connected with the electric telescopic rod 602, the top end surface of the electric telescopic rod 602 is fixedly connected with a fourth motor 603, the tail end of a main shaft of the fourth motor 603 is fixedly connected with the rotating gear 604, the inner side of the limiting frame 601 is slidably connected with the supporting plate 605, and the rack 606 is fixedly connected with the inner side of the supporting plate 605, and rack 606 and running gear 604 meshing are connected, through this kind of setting convenience to drop the diaphragm that takes place to deform and reset, avoided the diaphragm of deformation to be pressed by other diaphragms that drop and appear the fold, controller 5 and cutting device 2, collection device 4 and crease-resistance device 6 and cutter 1 electric connection, through this kind of setting convenient to diaphragm cutting work, diaphragm collection work and diaphragm prevent the control of fold work, and easy operation is convenient.

The model of the shearing machine 1 is MQ-320 shearing machine, the model of the second motor 212 is 775 motor, the model of the third motor 406 is Y90L-4 motor, the model of the controller 5 is 900U controller, the model of the fourth motor 603 is XD-3420-2 motor, and the model of the electric telescopic rod 602 is PXTL electric telescopic rod.

The working process is as follows: when the device is used, the device is started, the shearer 1 controls the membrane to slide out of the membrane outlet a at the moment, the third motor 406 drives the second driving gear 404 to be meshed with the second driven gear 405 to rotate at the moment, so that the rollers 403 are driven to rotate, when the membrane touches the auxiliary block 407, the membrane is conveyed to the middle position of the two rollers 403 under the guide of the auxiliary block 407, when the membrane reaches the specified length, the controller 5 controls the second motor 212 to drive the first driving gear 213 to be meshed with the first driven gear 214 to rotate, so that the second threaded shaft 215 is driven to rotate, because the second threaded shaft 215 is spirally connected with the fixing frame 207, the fixing frame 207 drives the second blade 209 on the tool rest 208 to move downwards, so that the membrane is cut off, and the cut-off membrane is conveyed into the limiting frame 601 in the collecting box 401 under the rotation of the rollers 403, the fourth motor 603 in the stopper 601 drives the rotating gear 604 to engage with the rack 606, thereby controlling the supporting plate 605 to slide back and forth, and performing deformation reset treatment on the diaphragm deformed when falling through the arrangement, preventing the diaphragm from being pressed out of wrinkles by the subsequent diaphragm after being deformed, and at the same time, in order to avoid the deformation of the diaphragm when the diaphragm falls to the maximum extent and not to influence the containing amount of the collecting box 401, the controller 5 will also control the electric telescopic rod 602 to extend to the longest length first, and then, the autonomous contraction is performed according to the amount of the membrane collected by the collection container 401, thereby shortening the drop height of the membrane, when the second blade 209 needs to be replaced due to poor cutting, the fourth screw shaft 211 is rotated out, and then the positioning block 210 is pulled upwards and rotated to separate the positioning block from the limit of the tool rest 208, finally the tool rest 208 is taken down, the second blade 209 on the tool rest 208 is replaced, and then the fourth threaded shaft 211 and the positioning frame 210 are reset.

The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the technical features described above may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments.

Claims

1. The utility model provides a lithium ion battery is cutting equipment for diaphragm convenient to cut off fast, includes cutter (1), cutting device (2), collection device (4) and crease-resistance device (6), its characterized in that: the front end face of the shearing machine (1) is provided with a groove (b), the inner side of the groove (b) is fixedly connected with a fixed box (3), the inner side of the fixed box (3) is fixedly connected with a cutting device (2), the rear end side wall of the groove (b) is provided with a film outlet (a), the bottom end of the front end face of the shearing machine (1) is fixedly connected with a collecting device (4) and a controller (5) which are arranged left and right, the inner side of the collecting device (4) is fixedly connected with a crease-resistant device (6), the collecting device (4) comprises a collecting box (401), a supporting rod (402), a roller (403), a second driving gear (404), a second driven gear (405), a third motor (406) and an auxiliary block (407), the front end face of the shearing machine (1) is fixedly connected with a collecting box (401), the left side and the right side of the top end face of the collecting box (401) are both fixedly connected with the supporting rod (402), the rear end of the top end face of the collecting box (401) is fixedly connected with an auxiliary block (407), the right end face of the supporting rod (402) at the right end is fixedly connected with a third motor (406), a main shaft of the third motor (406) penetrates through the supporting rod (402), the main shaft of the third motor (406) is connected with the supporting rod (402) in a sliding manner, the tail end of the main shaft of the third motor (406) is fixedly connected with a roller (403) through a connecting shaft, the outer side of the connecting shaft at the top end is fixedly connected with a second driving gear (404), the outer side of the connecting shaft at the bottom end is fixedly connected with a second driven gear (405), the second driving gear (404) is meshed and connected with the second driven gear (405), the crease-resistant device (6) comprises a limiting frame (601), an electric telescopic rod (602), a fourth motor (603), a rotating gear (604), a supporting plate (605) and a rack (606), the inner side of the collecting device (4) is fixedly connected with the limiting frame (601), the inner side center of the bottom end face of the limiting frame (601) is fixedly connected with an electric telescopic rod (602), the top end face of the electric telescopic rod (602) is fixedly connected with a fourth motor (603), the tail end of a main shaft of the fourth motor (603) is fixedly connected with a rotating gear (604), the inner side of the limiting frame (601) is slidably connected with a supporting plate (605), the inner side of the supporting plate (605) is fixedly connected with a rack (606), and the rack (606) is meshed with the rotating gear (604) for connection.

2. The cutting equipment for lithium ion battery separator facilitating quick cutting according to claim 1, wherein: the cutting device (2) comprises a sliding block (201), a first blade (202), a third threaded shaft (203), a rotating block (204), a first threaded shaft (205) and a first motor (206), a first motor (206) is fixedly connected to the inner side of the left end face of the fixed box (3), a first threaded shaft (205) is fixedly connected to the tail end of a main shaft of the first motor (206), the first threaded shaft (205) is rotationally connected with the fixed box (3), the outer side of the first threaded shaft (205) is spirally connected with a sliding block (201), the sliding block (201) is connected with the shearing machine (1) in a sliding way, the outer side of the sliding block (201) is connected with a first blade (202) in a sliding way, the bottom end surface of the sliding block (201) is rotationally connected with a rotating block (204) through a rotating shaft, the inner side of the rotating block (204) is spirally connected with a third threaded shaft (203), and the third threaded shaft (203) is rotatably connected with the first blade (202).

3. The cutting equipment for lithium ion battery separator facilitating quick cutting according to claim 1, wherein: the cutting device (2) comprises a fixing frame (207), a tool rest (208), a second blade (209), a positioning frame (210), a fourth threaded shaft (211), a second motor (212), a first driving gear (213), a first driven gear (214) and a second threaded shaft (215), the inner side of the top end face of the fixing box (3) is fixedly connected with the second motor (212), the tail end of a main shaft of the second motor (212) is fixedly connected with the first driving gear (213), the outer side of the first driving gear (213) is connected with the first driven gear (214) in a meshing manner, the central position of the first driven gear (214) is fixedly connected with the second threaded shaft (215), the second threaded shaft (215) is rotatably connected with the fixing box (3), the bottom end of the outer side of the second threaded shaft (215) is spirally connected with the fixing frame (207), the inner side of the fixing frame (207) is slidably connected with the tool rest (208), the utility model discloses a cutting tool, including knife rest (208), knife rest (208) bottom end face fixedly connected with second blade (209), knife rest (208) outside sliding connection has locating rack (210), locating rack (210) inboard sliding connection has fourth threaded shaft (211), and fourth threaded shaft (211) and mount (207) threaded connection.

4. The cutting equipment for lithium ion battery separator facilitating quick cutting according to claim 2, characterized in that: the number of the first blades (202) is 2, and the first blades (202) are symmetrically connected to the left side and the right side of the sliding block (201).

5. The cutting equipment for lithium ion battery separator facilitating quick cutting according to claim 1, wherein: the controller (5) is electrically connected with the cutting device (2), the collecting device (4), the crease-resist device (6) and the shearing machine (1).

6. The cutting equipment for lithium ion battery separator facilitating quick cutting according to claim 1, wherein: the rear end face of the auxiliary block (407) is arranged in an inclined plane, and the distance from the top end face of the auxiliary block (407) to the center positions of the upper end roller (403) and the lower end roller (403) is 1 cm.