CN110114928B

CN110114928B - Packing paper device and battery machine

Info

Publication number: CN110114928B
Application number: CN201980000409.4A
Authority: CN
Inventors: 李友舟; 谭国彪; 毛琪
Original assignee: Shenzhen Chengjie Intelligent Equipment Co Ltd
Current assignee: Shenzhen Chengjie Intelligent Equipment Co Ltd
Priority date: 2019-03-29
Filing date: 2019-03-29
Publication date: 2022-05-20
Anticipated expiration: 2039-03-29
Also published as: WO2020198908A1; JP2021520598A; JP7046068B2; CN110114928A

Abstract

The invention provides a paper packing device and a battery machine comprising the same, wherein the paper packing device is used for attaching packing paper to electrolytic paper, the packing paper comprises a first separating surface and a second separating surface with viscosity, and the paper packing device comprises a base, and a paper feeding assembly, a paper pressing assembly and a pressing assembly which are arranged on the base; the paper feeding component is used for conveying the packing paper to the paper pressing component and can simultaneously press the packing paper with the paper pressing component; the paper pressing assembly comprises a first paper pressing unit and a second paper pressing unit, the second paper pressing unit can be close to or far away from the first paper pressing unit to compress or loosen backing paper, the first paper pressing unit can be bonded with the first parting surface and can drive the backing paper to move so that the second parting surface is attached to the electrolytic paper, and the pressing assembly is used for attaching and pressing the first parting surface and the second parting surface to the electrolytic paper. Therefore, the paper feeding unit has the functions of paper feeding and paper pressing, and the first paper pressing unit has the functions of paper pressing and attaching the backing paper to the electrolytic paper, so that the structure is simplified, and the cost is reduced.

Description

Packing paper device and battery machine

Technical Field

The invention belongs to the technical field of battery production equipment, and particularly relates to a paper packing device and a battery machine.

Background

The paper packing device is added to the battery production equipment generally and used for attaching the paper packing to the electrolytic paper and thickening the electrolytic paper, so that the phenomenon that the short circuit and even explosion of the produced battery are caused due to the fact that the electrolytic paper is broken by burrs generated by the petal parts of the guide pins during stamping is prevented.

However, the conventional packing paper device has a complicated structure, and generally includes two clamping mechanisms for clamping opposite ends of the packing paper, a paper conveying mechanism for conveying the packing paper, a cutting mechanism for cutting the packing paper, a vacuum adsorption mechanism for adsorbing the cut packing paper and conveying the adsorbed packing paper to be adhered to the electrolytic paper, and the like.

Disclosure of Invention

The invention aims to provide a paper packing device, which aims to solve the technical problem that the existing paper packing device is complex in structure.

In order to realize the purpose, the invention adopts the technical scheme that: providing a paper padding device for attaching padding paper to the surface of electrolytic paper, wherein the padding paper comprises a first surface, the first surface comprises a first facet and a second facet which are connected with each other, the first facet and the second facet are both sticky, and the paper padding device comprises a base, a paper feeding assembly, a paper pressing assembly, a cutting assembly and a pressing assembly;

the paper feeding assembly, the paper pressing assembly, the cutting assembly and the pressing assembly are all arranged on the base, and the paper feeding assembly is used for conveying the packing paper to the paper pressing assembly and can press the packing paper together with the paper pressing assembly;

press the paper subassembly and include that first press paper unit and second press the paper unit, the second presses the paper unit to be close to or keep away from first press the paper unit to compress tightly or loosen the packing paper, first press the paper unit can with first minute surface bonds, first press the paper unit to drive the packing paper motion, so that the second divides the face to affix to the electrolysis paper, it is used for with to compress tightly the subassembly first minute face and second divide the face all attached and compress tightly in the electrolysis paper surface.

Further, the paper packing device still includes charging tray and tension adjusting part, the charging tray with the base rotates to be connected, and is used for setting up paper packing, tension adjusting part be used for with paper packing is followed pull out in the charging tray, and can adjust paper packing's tension.

Further, the tension adjusting assembly comprises a tensioning swing arm which is rotatably connected to the base, two opposite ends of the tension adjusting assembly are respectively connected to the tensioning swing arm and the spring of the base, and a first paper passing roller wheel is arranged on the tensioning swing arm, and the paper feeding assembly pulls the packing paper, so that the packing paper can drive the first paper passing roller wheel to stretch the spring.

Furthermore, the tensioning swing arm comprises a first swing arm and a second swing arm, the first swing arm is fixedly connected with the second swing arm, the joint of the first swing arm and the second swing arm is rotatably connected with the base, the first swing arm is connected with the spring, and the second swing arm is connected with the first paper passing roller; the tension adjusting assembly further comprises a limiting block connected to the base, and the limiting block can abut against the first swing arm to limit the swing amplitude of the first swing arm in the process of restoring the spring to deform.

Further, the paper feeding assembly comprises a first driving mechanism, a second driving mechanism, a mounting seat and a first pressing block, wherein the first driving mechanism is arranged on the base and can drive the second driving mechanism to be close to or far away from the first paper pressing unit and the second paper pressing unit, the second driving mechanism is connected with the mounting seat and the first pressing block and can drive the first pressing block to be close to or far away from the mounting seat so as to compress or release the packing paper.

Further, the first driving mechanism can drive the second driving mechanism to move along a first direction, the mounting base comprises a first mounting plate and a second mounting plate which are oppositely arranged in a second direction, and a third mounting plate, two opposite ends of which are respectively connected with the first mounting plate and the second mounting plate, the third mounting plate is connected with the first driving mechanism, the second driving mechanism is connected with the first mounting plate, and can drive the first pressing block to approach or leave the second mounting plate along the second direction so as to press or release the packing paper; the first direction and the second direction are perpendicular to each other.

Furthermore, the first paper pressing unit comprises a second pressing block, the second paper pressing unit comprises a third driving mechanism and a third pressing block connected to the third driving mechanism, and the third driving mechanism can drive the third pressing block to be close to or far away from the second pressing block so as to press or release the packing paper; the first facet can be attached to the surface of the second pressing block.

Further, the first paper pressing unit further comprises a fourth driving mechanism, the fourth driving mechanism is connected to the second pressing block, and the fourth driving mechanism can push the second pressing block to be close to the electrolytic paper along a third direction so as to attach the second parting surface to the electrolytic paper; the third direction is perpendicular to both the first direction and the second direction.

Further, the compressing assembly comprises a second paper passing roller wheel used for winding the electrolytic paper, a fifth driving mechanism arranged on the base and a fourth pressing block connected to the fifth driving mechanism, the fifth driving mechanism can drive the fourth pressing block to be close to the second paper passing roller wheel, so that the first split surface and the second split surface are attached to and compressed on the surface of the electrolytic paper.

Furthermore, the fourth pressing block is provided with a concave arc surface, and the curvature of the concave arc surface is the same as that of the circumferential surface of the second paper passing roller.

Furthermore, the paper packing device further comprises a cutting-off assembly located between the paper pressing assembly and the paper feeding assembly, the cutting-off assembly comprises a cutting-off cutter and a sixth driving mechanism, the sixth driving mechanism is arranged on the base and connected with the cutting-off cutter, and can drive the cutting-off cutter to cut off the packing paper located between the paper pressing assembly and the paper feeding assembly.

Furthermore, the paper packing device further comprises a control assembly and a detector, wherein the control assembly is electrically connected with the second paper pressing unit, and the detector is used for detecting the relative positions of the paper packing and the first paper pressing unit as well as the second paper pressing unit.

The invention also provides a battery machine which comprises the paper packing device.

The embodiment of the invention has the following beneficial effects:

the paper feeding assembly can convey packing paper and can also simultaneously press the packing paper with the paper pressing assembly so as to conveniently cut the packing paper, and a mechanism for conveying the paper and two mechanisms for pressing the paper are not needed, so that the structure of the paper packing device is simplified; and the first pressure unit that above-mentioned pressure paper subassembly included can not only cooperate the second to press the paper unit and compress tightly packing paper, can also drive packing paper motion to the second facet with packing paper affixes in the electrolytic paper surface, and the cooperation compresses tightly the subassembly and divides first facet and second to affix and compress tightly on electrolytic paper together, thereby has saved the vacuum adsorption mechanism in the traditional structure, has further simplified the structure of packing paper device, has reduced material cost and time cost. The battery machine provided by the invention comprises the paper packing device, so that all the beneficial effects of the paper packing device are achieved, and the details are not repeated.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

FIG. 1 is a first schematic structural diagram of a paper backing apparatus according to an embodiment;

FIG. 2 is a second schematic structural diagram of a paper backing apparatus according to an embodiment;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

Wherein, in the figures, the respective reference numerals:

10. a paper packing device; 100. a base; 200. a material tray; 300. a tension adjustment assembly; 400. a paper feed assembly; 500. a paper pressing assembly; 600. cutting off the assembly; 700. a compression assembly; 20. packing paper; 21. a first facet; 22. a second facet; 800. a first rotating shaft; 510. a first paper pressing unit; 520. a second paper pressing unit; 410. a first drive mechanism; 420. a second drive mechanism; 430. a mounting seat; 440. a first pressing block; 411. a first cylinder; 412. a slide rail; 413. a slider; 431. a first mounting plate; 432. a second mounting plate; 433. a third mounting plate; 511. a fourth drive mechanism; 512. a second pressing block; 521. a third drive mechanism; 522. a third pressing block; 710. a second paper passing roller; 720. a fifth drive mechanism; 730. a fourth briquetting; 731. a concave arc surface; 610. a sixth drive mechanism; 620. a cutting knife; 630. a force-borrowing plate; 900. a detector; 1000. a paper passing wheel; 310. a spring; 320. a second rotating shaft; 330. tensioning the swing arm; 340. a first paper passing roller; 350. a limiting block; 331. a first swing arm; 332. and a second swing arm.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1, in the embodiment of the present invention, the first direction is a direction coincident with or parallel to the direction indicated by the arrow X; the second direction refers to a direction coinciding with or parallel to the direction indicated by the arrow Y; the third direction refers to a direction coinciding with or parallel to the direction indicated by the arrow Z.

Referring to fig. 1 to fig. 3, a paper cushion device 10 according to the present invention will now be described. The paper pad device 10 is used for attaching the pad paper 20 to the surface of the electrolytic paper (not shown) so as to thicken the electrolytic paper, and the paper pad device 10 includes a base 100, a tray 200, a tension adjusting assembly 300, a paper feeding assembly 400, a paper pressing assembly 500, a cutting assembly 600 and a pressing assembly 700. Specifically, the packing paper 20 that has not been attached to the electrolytic paper is in a belt shape and is wound around the tray 200, the tray 200 is rotatably connected to the base 100 through the first rotating shaft 800, that is, one end of the first rotating shaft 800 is fixedly connected to the base 100, and the other end is suspended, the tray 200 is sleeved on the periphery of the first rotating shaft 800 and can freely rotate around the first rotating shaft 800, so that when an external force is applied to one end of the packing paper 20, the packing paper 20 can be pulled out from the tray 200, and in the process of pulling out the packing paper 20, the tray 200 freely rotates around the first rotating shaft 800.

Specifically, the paper feeding assembly 400 is used for conveying one end of the packing paper 20 to the pressing assembly 700, and can respectively press the opposite ends of the packing paper 20 with the paper pressing assembly 500, so that the cutting assembly 600 can conveniently cut off the packing paper 20 between the paper feeding assembly 400 and the paper pressing assembly 500. Thus, the paper feeding assembly 400 has two functions of paper feeding and paper pressing, and a mechanism for paper feeding and two mechanisms for paper pressing are not required to be arranged at the same time, so that the structure of the paper padding device 10 is simplified, and the material cost, the space cost and the assembly cost are reduced.

In addition, the above-mentioned platen assembly 500 includes a first platen unit 510 and a second platen unit 520, wherein the second platen unit 520 is movable relative to the first platen unit 510 to be close to or away from the first platen unit 510, thereby pressing or releasing the packing paper 20 located at the first platen unit 510 and the second platen unit 520; in the present embodiment, the backing paper 20 is an adhesive backing paper 20 with a single side having an adhesive property, specifically, the backing paper 20 includes a first surface and a second surface (not shown) which are oppositely disposed, wherein the first surface has an adhesive property, the first surface includes a first partial surface 21 and a second partial surface 22 which are connected to each other, when the second paper pressing unit 520 presses the backing paper 20 onto the first paper pressing unit 510, the first partial surface 21 of the backing paper 20 can be adhered onto the first paper pressing unit 510, the second partial surface 22 is suspended, when the cutting is completed, the first paper pressing unit 510 can also transmit the backing paper 20 attached thereon to a direction of the electrolytic paper, so that the second partial surface 22 of the backing paper 20 is attached onto the electrolytic paper, and finally, the pressing assembly 700 attaches and presses both the first partial surface 21 and the second partial surface 22 of the backing paper 20 onto the surface of the electrolytic paper. Thus, the paper pressing assembly 500 not only has the function of pressing paper, but also has the function of driving the cut packing paper 20 to move so as to be attached to the surface of the electrolytic paper, so that a vacuum adsorption mechanism is not required to be added, the structure of the packing paper device 10 is further simplified, and the cost is reduced.

In an embodiment, the paper feeding assembly 400 includes a first driving mechanism 410, a second driving mechanism 420, a mounting seat 430 and a first pressing block 440, wherein the first driving mechanism 410 is disposed on the base 100 and can drive the second driving mechanism 420 to approach or separate from the first paper pressing unit 510 and the second paper pressing unit 520, the second driving mechanism 420 is connected to the mounting seat 430 and the first pressing block 440 and can drive the first pressing block 440 to approach or separate from the mounting seat 430 so as to press or release the backing paper 20. Specifically, in the present embodiment, the first driving mechanism 410 includes a first air cylinder 411, a slide rail 412 and a slider 413, and the second driving mechanism 420 is preferably a second air cylinder; the sliding rail 412 is fixedly arranged on the base 100, the sliding block 413 is in sliding fit with the sliding rail 412, the mounting seat 430 is fixedly connected with the sliding block 413, the cylinder body of the first cylinder 411 is fixedly arranged on the base 100, the piston rod of the first cylinder 411 is connected to the mounting seat 430, the piston rod and the sliding rail 412 both extend along a first direction, and thus the piston rod of the first cylinder 411 can drive the mounting seat 430 to move left and right along the first direction; the mounting base 430 includes a first mounting plate 431 and a second mounting plate 432 oppositely disposed along the second direction, and a third mounting plate 433 connected to the first mounting plate 431 and the second mounting plate 432 at opposite ends, respectively, the third mounting plate 433 is fixedly connected to the slider 413, the second mounting plate 432 is connected to the piston rod of the first cylinder 411, and is also fixedly connected to the cylinder body of the second cylinder, the first pressing block 440 is fixedly connected to the piston rod of the second cylinder, the packing paper 20 extends between the second mounting plate 432 and the first pressing block 440, and the first pressing block 440 can press the packing paper 20 onto the second mounting plate 432 under the driving of the piston rod of the second cylinder, so that when the first pressing block 440 and the third mounting plate 433 press the packing paper 20, the piston rod of the first cylinder 411 drives the mounting base 430 to move along the sliding rail 412 towards the directions of the first paper pressing unit 510 and the second paper pressing unit 520, the packing paper 20 can be pulled to move towards the first paper pressing unit 510 and the second paper pressing unit 520; since the cutting assembly 600 is located between the pressing assembly 700 and the paper feeding assembly 400, when the backing paper 20 is conveyed between the first paper pressing unit 510 and the second paper pressing unit 520, and the first paper pressing unit 510 and the second paper pressing unit 520 press one end of the backing paper 20 together, the first pressing block 440 still presses the other end of the backing paper 20 with the second mounting plate 432 without being released, and the cutting assembly 600 can move in the second direction to cut the backing paper 20.

In one embodiment, the first platen unit 510 and the second platen unit 520 are disposed opposite to each other along the second direction, and the second platen unit 520 can move toward the first platen unit 510 along the second direction and can abut against the first platen surface. Specifically, the first paper pressing unit 510 includes a fourth driving mechanism 511 and a second pressing block 512, the second paper pressing unit 520 includes a third driving mechanism 521 and a third pressing block 522, in this embodiment, the third driving mechanism 521 is preferably a third cylinder, the fourth driving mechanism 511 is preferably a fourth cylinder, the second pressing block 512 is fixedly connected to a piston rod of the fourth cylinder, and can move back and forth along a third direction along with the piston rod of the fourth cylinder; the third press block 522 is fixedly connected with the piston rod of the third cylinder, and the third press block 522 can be opposite to the second press block 512, can move towards the second press block 512 along the second direction along with the piston rod of the third cylinder, and is abutted against the second press block 512, so that the packing paper 20 is pressed, and the first sub-surface 21 of the packing paper 20 is attached to the surface of the second press block 512. Thus, after the cutting assembly 600 cuts the packing paper 20, the third press block 522 moves downward along the second direction along with the piston rod of the third cylinder to reset, at this time, the first sub-surface 21 of the packing paper 20 is still attached to the second press block 512, and then the piston rod of the fourth cylinder drives the packing paper 20 to move toward the direction of the electrolytic paper, so that the second sub-surface 22 of the packing paper 20 is attached to the surface of the electrolytic paper.

In one embodiment, the pressing assembly 700 includes a second feeding roller 710 for winding the electrolytic paper, and a fifth driving mechanism 720 and a fourth pressing block 730, it can be understood that when the electrolytic paper moves along the circumferential surface of the second feeding roller 710, the second separating surface 22 of the backing paper 20 is driven to move, and the first separating surface 21 of the backing paper 20 is pulled away from the second pressing block 512; in this embodiment, the fifth driving mechanism is preferably a fifth cylinder, the fourth pressing block 730 is fixedly connected to the piston rod of the fifth cylinder, and can move along the second direction along with the piston rod of the fifth cylinder to abut against the surface of the second paper passing roller 710, so that the first parting surface 21 and the second parting surface 22 of the packing paper 20 are both pressed against the surface of the electrolytic paper, and a stable adhesion effect is achieved. Preferably, the fourth pressing block 730 is provided with a concave arc 731, and the curvature of the concave arc 731 can be the same as that of the second paper passing roller 710, that is, the concave arc 731 can be attached to the circumferential surface of the second paper passing roller 710.

In one embodiment, the cutting assembly 600 includes a sixth driving mechanism 610, a cutting blade 620 and a force-borrowing plate 630, wherein the sixth driving mechanism 610 is preferably a sixth air cylinder, the cutting blade 620 is connected to a piston rod of the sixth air cylinder and can move along a second direction along the piston rod of the sixth air cylinder to cut off the paper liner 20, the force-borrowing plate 630 is fixedly connected with the base 100, and the force-borrowing plate 630 and the cutting blade 620 are located at two opposite sides of the paper liner 20, when the cutting blade 620 moves upwards along the second direction, the cutting blade 620 is just staggered with the force-borrowing plate 630, it can be understood that the force-borrowing plate 630 does not interfere with the movement of the cutting blade 620, but during the upward movement of the cutting blade 620, the force-borrowing plate 630 has only a slight interval with the blade face of the cutting blade 620 along the first direction, similar to the cutting scissors principle, so that the cutting edge can be more regular, the cutting efficiency is higher, thereby improving the cutting control precision and quality.

Of course, in other embodiments of the present invention, the force-borrowing plate 630 may be omitted, or the cutting knife 620 may be replaced with other structures such as a cutting scissors while the force-borrowing plate 630 is omitted, so as to cut the packing paper 20, which is not limited herein.

In an embodiment, the paper feeding device 10 further includes a control unit (not shown), and the control unit is electrically connected to the first cylinder 411, the second cylinder, the third cylinder, the fourth cylinder, the fifth cylinder and the sixth cylinder, respectively.

In an embodiment, the aforementioned packing device 10 further includes a detector 900 electrically connected to the control component, wherein the detector 900 is disposed on the force-applying plate 630 and is used for detecting whether the packing paper 20 moves between the second pressing block 512 and the third pressing block 522, so that the control component controls the third pressing block 522 to move at a proper speed at a proper time.

In one embodiment, the paper cushioning device 10 further includes a paper passing wheel 1000 fixedly disposed on the base 100, the number of the paper passing wheel 1000 is unlimited, and the paper cushioning device is disposed between the paper feeding assembly 400 and the tray 200, the tension adjusting assembly 300 is disposed on one side of the paper passing wheel 1000, and includes a spring 310, a second rotating shaft 320, a tensioning swing arm 330, a first paper passing roller 340, and a limiting block 350, wherein one end of the second rotating shaft 320 is fixedly connected to the base 100, and the other end is suspended, the tensioning swing arm 330 includes a first swing arm 331 and a second swing arm 332 connected to each other, an extending direction of the first swing arm 331 and an extending direction of the second swing arm 332 form an acute angle or an obtuse angle, a joint of the first swing arm 331 and the second swing arm 332 is rotatably connected to the second rotating shaft 320, wherein the first swing arm 331 is connected to the spring 310, the second swing arm 332 is fixedly connected to the first paper passing roller 340, and the spring 310 is preferably a tension spring, the opposite ends of the spring 310 are respectively fixedly connected to the end of the first swing arm 331 far from the second swing arm 332 and the base 100, the paper pad 20 sequentially passes through the paper passing roller 1000 and the first paper passing roller 340 and then extends to the paper feeding assembly 400, when the paper feeding assembly 400 pulls the packing paper 20 to move toward the pressing assembly 700, the packing paper 20 drives the first paper passing roller 340 to rotate around the second rotating shaft 320, thereby stretching the spring 310, in this process, the spring 310 accumulates potential energy for restoring the deformation, and when the paper feeding assembly 400 stops moving, the spring 310 restores its original length, thereby driving the first swing arm 331, the second swing arm 332 and the first paper passing roller 340 to reset, in the process, the first paper feeding roller 340 pulls out the packing paper 20 from the material tray 200, so that the paper feeding assembly 400 is prevented from directly pulling the paper from the material tray 200, the tensioning degree of the packing paper 20 is effectively adjusted, and the possibility that the packing paper 20 is pulled and damaged in the pulling process is reduced. In addition, the limiting block 350 is fixedly disposed on the base 100 and can abut against the first swing arm 331 when the first swing arm 331 is reset, so as to limit the swing amplitude of the first swing arm 331 in the process of restoring the deformation of the spring 310, thereby limiting the action amplitude of the tensioning swing arm 330 when the packing paper 20 is pulled, avoiding pulling out too much packing paper 20, reducing the influence of the elastic performance of the spring 310 on the pulling process, and improving the action stability. In other embodiments of the present invention, the limiting block 350 may be omitted or replaced by other limiting structures, which are not limited herein.

Referring to fig. 1 to 3, the present invention further provides a battery machine for producing a battery, which includes the paper packing device 10, and thus has the beneficial effects of the paper packing device 10, which are not repeated herein.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The paper padding device is used for attaching padding paper to the surface of electrolytic paper, the padding paper comprises a first surface, the first surface comprises a first facet and a second facet which are connected with each other, and the first facet and the second facet are both sticky;

the paper feeding assembly, the paper pressing assembly and the pressing assembly are all arranged on the base, and the paper feeding assembly is used for conveying the packing paper to the paper pressing assembly and can press the packing paper together with the paper pressing assembly;

the paper pressing assembly comprises a first paper pressing unit and a second paper pressing unit, the second paper pressing unit can be close to or far away from the first paper pressing unit so as to press or loosen the backing paper, the first paper pressing unit can be bonded with the first facet, the first paper pressing unit can drive the backing paper to move so as to enable the second facet to be attached to the electrolytic paper, and the pressing assembly is used for attaching and pressing the first facet and the second facet to the surface of the electrolytic paper;

the first paper pressing unit comprises a second pressing block;

the pressing assembly comprises a second paper passing roller for winding the electrolytic paper;

the first section of the packing paper is attached to the second pressing block;

when the electrolytic paper moves along the circumferential surface of the second paper passing roller, the second parting surface of the packing paper is driven to move, and the first parting surface of the packing paper is pulled away from the second pressing block.

2. The paper packing apparatus of claim 1, wherein: the paper packing device further comprises a material tray and a tension adjusting assembly, wherein the material tray is connected with the base in a rotating mode and is used for setting the packing paper, and the tension adjusting assembly is used for pulling the packing paper out of the material tray and adjusting the tension of the packing paper.

3. The paper packing apparatus of claim 2, wherein: the tension adjusting assembly comprises a tensioning swing arm, two opposite ends of the tensioning swing arm are connected with the spring of the base respectively, and a first paper passing roller wheel is arranged on the tensioning swing arm, the paper feeding assembly pulls the packing paper, and the packing paper can drive the first paper passing roller wheel to stretch the spring.

4. The paper packing apparatus of claim 3, wherein: the tensioning swing arm comprises a first swing arm and a second swing arm, the first swing arm is fixedly connected with the second swing arm, the joint of the first swing arm and the second swing arm is rotatably connected with the base, the first swing arm is connected with the spring, and the second swing arm is connected with the first paper passing roller; the tension adjusting assembly further comprises a limiting block connected to the base, and the limiting block can abut against the first swing arm to limit the swing amplitude of the first swing arm in the process of restoring the spring to deform.

5. The packing paper device according to any one of claims 1 to 4, wherein: the paper feeding assembly comprises a first driving mechanism, a second driving mechanism, a mounting seat and a first pressing block, the first driving mechanism is arranged on the base and can drive the second driving mechanism to be close to or far away from the first paper pressing unit and the second paper pressing unit, the second driving mechanism is connected with the mounting seat and the first pressing block and can drive the first pressing block to be close to or far away from the mounting seat so as to compress or release the packing paper.

6. The paper packing apparatus of claim 5, wherein: the first driving mechanism can drive the second driving mechanism to move along a first direction, the mounting seat comprises a first mounting plate and a second mounting plate which are oppositely arranged in a second direction, and a third mounting plate, two opposite ends of which are respectively connected with the first mounting plate and the second mounting plate, the third mounting plate is connected with the first driving mechanism, the second driving mechanism is connected with the first mounting plate and can drive the first pressing block to be close to or far away from the second mounting plate along the second direction so as to press or loosen the packing paper; the first direction and the second direction are perpendicular to each other.

7. The paper packing apparatus of claim 6, wherein: the second paper pressing unit comprises a third driving mechanism and a third pressing block connected to the third driving mechanism, and the third driving mechanism can drive the third pressing block to be close to or far away from the second pressing block so as to press or release the packing paper; the first facet can be attached to the surface of the second pressing block.

8. The paper packing apparatus of claim 7, wherein: the first paper pressing unit further comprises a fourth driving mechanism, the fourth driving mechanism is connected to the second pressing block, and the fourth driving mechanism can push the second pressing block to be close to the electrolytic paper along a third direction so as to attach the second section to the electrolytic paper; the third direction is perpendicular to both the first direction and the second direction.

9. The paper packing apparatus of claim 5, wherein: the pressing assembly comprises a fifth driving mechanism arranged on the base and a fourth pressing block connected to the fifth driving mechanism, the fifth driving mechanism can drive the fourth pressing block to be close to the second paper passing roller wheel, so that the first split surface and the second split surface are attached to and pressed on the surface of the electrolytic paper.

10. The paper dunnage apparatus of claim 9, wherein: the fourth pressing block is provided with a concave cambered surface, and the curvature of the concave cambered surface is the same as that of the circumferential surface of the second paper passing roller.

11. The packing paper device according to any one of claims 1 to 4, wherein: the paper packing device further comprises a cutting assembly located between the paper pressing assembly and the paper feeding assembly, the cutting assembly comprises a cutting knife and a sixth driving mechanism, the sixth driving mechanism is arranged on the base and connected with the cutting knife, and can drive the cutting knife to cut off the packing paper located between the paper pressing assembly and the paper feeding assembly.

12. The packing paper device according to any one of claims 1 to 4, wherein: the paper packing device further comprises a control assembly and a detector, the control assembly is electrically connected with the second paper pressing unit, and the detector is used for detecting the relative position of the paper packing and the first paper pressing unit as well as the second paper pressing unit.

13. The battery machine, its characterized in that: comprising a packing paper device according to any one of claims 1 to 12.