CN220914312U - Pole piece unit processingequipment and lamination system - Google Patents

Abstract

The utility model provides a pole piece unit processing device and a lamination system, wherein the pole piece unit processing device comprises a magnetic suspension conveying unit and a laser cutting unit, the magnetic suspension conveying unit comprises a magnetic suspension stator and a magnetic suspension rotor, the magnetic suspension stator drives the magnetic suspension rotor to move, a jig is arranged on the magnetic suspension rotor, the jig drives a material belt to move along with the magnetic suspension rotor, the material belt comprises a diaphragm and a plurality of pole pieces arranged on the diaphragm, the pole pieces are arranged at intervals along the conveying direction of the material belt, the jig is used for fixing the position of the material belt, where the pole pieces are arranged, the laser cutting unit can cut the diaphragm between the adjacent pole pieces in movement, and the material belt is cut to form the pole piece unit. According to the pole piece unit processing device, the magnetic suspension conveying unit is arranged to convey the material belt, so that the conveying speed and the conveying precision of the material belt can be improved, and the laser cutting unit is adopted to cut the diaphragm, so that the cutting speed and the cutting quality are facilitated, and the processing efficiency of the pole piece unit processing device is improved.

Description

Pole piece unit processingequipment and lamination system

Technical Field

The utility model relates to the technical field of lithium ion production equipment, in particular to a pole piece unit processing device. The utility model also relates to a lamination system provided with the pole piece unit processing device.

Background

Currently, in the context of "two carbons," new energy industries are developing at a high rate. Lithium ion batteries are widely used because of their high energy density, long service life, green and pollution-free properties. In the structure of a lithium battery, a separator is one of key components, and its main function is to prevent a short circuit from occurring due to direct contact between a positive electrode and a negative electrode inside the battery, while allowing electrolyte ions to pass through.

In the existing pole piece thermal composite cutting and stacking integrated machine for pole piece unit processing, the cut pole pieces are composited with the upper and lower continuous diaphragms through a compositing mechanism, a stable gap is reserved between adjacent pole pieces, and the diaphragms between the adjacent pole pieces need to be cut off after compositing, so that the pole piece unit coated by the upper and lower diaphragms is formed.

At present, a hot cutter or a hot cutting wire is adopted for cutting a pole piece material belt after stopping, in the process, the pole piece material belt is conveyed to be accelerated and decelerated to convey a piece usually through driving a roller and the like, pole piece slipping is easily caused in the acceleration and deceleration process, pole piece conveying and pole piece diaphragm cutting precision are affected, and meanwhile, the cutting can also affect the improvement of diaphragm cutting efficiency when the material belt is stopped.

Disclosure of utility model

In view of the foregoing, the present utility model aims to provide a pole piece unit processing device, so as to facilitate improving the processing efficiency of the pole piece unit processing device.

In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:

A pole piece unit processing device comprises a magnetic suspension conveying unit and a laser cutting unit;

The magnetic suspension conveying unit comprises a magnetic suspension stator arranged on an external carrier, and a plurality of magnetic suspension movers arranged on the external carrier in a sliding manner, wherein the magnetic suspension stator can drive the magnetic suspension movers to move, a jig is arranged on the magnetic suspension movers, and the jig is used for driving a material belt to move along with the magnetic suspension movers;

The material belt comprises a diaphragm and a plurality of pole pieces arranged on the diaphragm, the pole pieces are arranged at intervals along the conveying direction of the material belt, and the jig is used for fixing the position of the material belt, on which the pole pieces are arranged;

The laser cutting unit is capable of cutting the separator between adjacent pole pieces in motion, and cutting the strip of material to form pole piece units.

Further, the jig adopts a vacuum jig, and the vacuum jig is used for adsorbing the material belt.

Further, the device further comprises a first press roller, and a gap for allowing the material belt to pass through is formed between the first press roller and the jig.

Further, along the conveying direction of the material belt, a detection unit is arranged at the upstream of the magnetic suspension conveying unit and is used for detecting the distance between the adjacent pole pieces in the material belt;

The detection unit is a film distance detection camera.

Further, a press roller assembly is arranged between the detection unit and the magnetic suspension conveying unit, the press roller assembly comprises two second press rollers which are rotatably arranged, and a gap for allowing the material belt to pass through is formed between the two second press rollers.

Further, at least one of the second press rolls is provided with an encoder for detecting the number of turns of the second press roll.

Furthermore, the external carrier adopts an annular line body, and the magnetic suspension rotor is arranged on the annular line body in a sliding manner.

Compared with the prior art, the utility model has the following advantages:

According to the pole piece unit processing device, the magnetic suspension conveying unit is used for conveying the material belt, so that the conveying speed and the conveying precision of the material belt are improved, and the laser cutting unit is used for cutting the diaphragm, so that the cutting speed and the cutting quality of the diaphragm are improved, and the processing efficiency of the pole piece unit processing device is improved.

In addition, the vacuum jig is used for adsorbing the material belt, so that the fixture is beneficial to efficiently and stably fixing the material belt, and damage to the surface of the material belt caused by the fixture can be avoided, and the material belt can move along with the magnetic suspension rotor. Through setting up first compression roller and controlling the clearance between first compression roller and the tool, be favorable to making the material area press close to the tool is fixed the material area and is driven the material area and remove.

In addition, the detection unit can position the pole piece interval position, through detecting adjacent pole piece interval to the magnetic suspension active cell removes the position accuracy of being favorable to improving the accuracy of material area cutting position. Through setting up the clearance that the second compression roller and be used for the material area to pass through, be convenient for to the material area direction of removal to do benefit to the magnetic suspension active cell and drive the material area and remove.

Secondly, the encoder can detect the number of turns that the second compression roller rotates, through the material area conveying distance that will rotate the number of turns calculation with the conveying distance contrast of magnetic suspension active cell, can be convenient for adjust the position and the moving speed of magnetic suspension active cell to the position deviation when being favorable to eliminating the material area and carrying. The external carrier adopts the annular line body, can be convenient for the magnetic suspension active cell to drive the material area and remove the back backward flow, be favorable to improving pole piece unit processingequipment's efficiency.

Another object of the present utility model is to propose a lamination system comprising a pole piece unit processing device as described above, and a lamination device for laminating a plurality of said pole piece units to form an electrical cell.

Further, the device also comprises a material belt preparation device;

The material belt preparation device comprises a diaphragm unreeling assembly and a diaphragm attaching assembly;

The diaphragm unreeling assembly is used for unreeling diaphragm coiled materials into a belt shape of the diaphragm, and the diaphragm attaching assembly is used for attaching a plurality of pole pieces to the diaphragm so as to form the material belt.

Further, the material belt preparation device further comprises a pole piece unreeling component and a pole piece cutting component;

The pole piece unreeling assembly is used for unreeling pole piece coiled materials into a strip-shaped pole piece, and the pole piece cutting assembly is used for cutting the strip-shaped pole piece into a plurality of pole pieces.

The lamination system disclosed by the utility model is beneficial to improving the production efficiency of the lamination system by applying the pole piece unit processing device. The diaphragm unreeling assembly can unreel diaphragm coiled materials into a strip-shaped diaphragm, and the diaphragm attaching assembly is arranged to attach a plurality of pole pieces to the diaphragm to form a material strip. Through setting up pole piece cutting assembly, can cut banded pole piece into a plurality of pole pieces to do benefit to a plurality of pole pieces to follow diaphragm direction interval arrangement.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 is a schematic view of a processing apparatus according to an embodiment of the present utility model;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is a schematic structural diagram of a material belt preparing apparatus and a processing apparatus according to an embodiment of the present utility model;

Fig. 4 is a schematic diagram of a cutting track according to an embodiment of the present utility model.

Reference numerals illustrate:

1. A processing device; 11. an external carrier; 12. a magnetic levitation rotor; 13. a first press roller; 14. a laser cutting unit; 15. a detection unit; 16. a second press roller; 17. an encoder;

21. A pole piece unreeling assembly; 22. a pole piece cutting assembly; 23. a diaphragm unreeling assembly; 24. a diaphragm attaching assembly;

3. A strip-shaped pole piece; 4. a pole piece; 5. a diaphragm; 6. a material belt; 7. pole piece units.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

In the description of the present utility model, it should be noted that, if terms indicating an orientation or positional relationship such as "upper", "lower", "inner", "outer", etc. are presented, they are based on the orientation or positional relationship shown in the drawings, only for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, if any, are also used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In addition, in the description of the present utility model, the terms "mounted," "connected," and "connected" are to be construed broadly, unless otherwise specifically defined. For example, the connection can be fixed connection, detachable connection or integrated connection; 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 can be understood by those of ordinary skill in the art in combination with specific cases.

The utility model will be described in detail below with reference to the drawings in connection with embodiments.

Example 1

The present embodiment relates to a pole piece unit processing apparatus 1 (hereinafter referred to as processing apparatus 1), and in the overall structure, as shown in fig. 1 to 4, the processing apparatus 1 includes a magnetic levitation transport unit and a laser cutting unit 14.

The magnetic suspension conveying unit comprises a magnetic suspension stator arranged on the external carrier 11 and a plurality of magnetic suspension movers 12 arranged on the external carrier 11 in a sliding manner. The magnetic suspension stator can drive the magnetic suspension rotor 12 to move, a jig is arranged on the magnetic suspension rotor 12 and is used for driving the material belt 6 to move along with the magnetic suspension rotor 12.

In addition, as shown in fig. 3, the material tape 6 includes a separator 5 and a plurality of pole pieces 4 provided on the separator 5, the plurality of pole pieces 4 being arranged at intervals along the conveying direction of the material tape 6. And, the tool is used for fixing the position that the material area 6 was equipped with pole piece 4. While the laser cutting unit 14 is able to cut the membrane 5 between the moving adjacent pole pieces 4, thereby cutting the strip 6 to form the pole piece unit 7.

As structured above, the processing device 1 of the present embodiment is beneficial to improving the conveying speed and the conveying precision of the material belt 6 by conveying the material belt 6 through the magnetic suspension conveying unit, and cutting the diaphragm 5 by adopting the laser cutting unit 14 is beneficial to improving the cutting speed and the cutting quality of the diaphragm 5, thereby being beneficial to improving the processing efficiency of the processing device 1.

Based on the above overall description, specifically, for convenience of description and description of the related matters, the present embodiment shows the conveying direction of the web 6 in the direction indicated by the arrow in fig. 1 to 4, and shows the cutting trajectory direction in the direction indicated by the arrow in fig. 4.

Specifically, a certain gap is kept between adjacent magnetic levitation movers 12 positioned upstream of the laser cutting unit 14, so that the magnetic levitation movers 12 are in one-to-one correspondence with the pole pieces 4 arranged in the material belt 6. Meanwhile, the magnetic levitation movers 12 positioned at the upstream of the laser cutting unit 14 synchronously move along the conveying direction of the material belt 6 and drive the material belt 6 to synchronously move, so that the gaps between the adjacent pole pieces 4 are positioned at the laser cutting unit 14.

At this time, the laser cutting unit 14 cuts the separator 5 between the adjacent pole pieces 4 and cuts the material tape 6 into the pole piece units 7, and the pole piece units 7 include the separator 5 and the pole pieces 4 attached to the separator 5. It will be appreciated that it is possible that the membrane 5 on the pole piece unit 7 may be located on one side of the pole piece 4, and that the membrane 5 may be attached to both sides of the pole piece 4.

In practice, the laser cutting unit 14 may employ an existing laser cutting apparatus, and it should be noted that the laser cutting apparatus is capable of moving the laser cutting beam in a diagonal cutting track direction. As shown in fig. 4, the cutting trajectory direction is at an angle to the conveying direction of the material tape 6, and the projection distance of the laser cutting beam moving distance along the conveying direction of the material tape 6 is equal to the distance the material tape 6 moves at the time of cutting.

Specifically, the laser cutting beam moves in the cutting trajectory direction while the plurality of magnetic levitation movers 12 move the material belt 6, and the component of the moving speed in the conveying direction along the material belt 6 is the same as the conveying speed of the material belt 6.

By the arrangement, the diaphragm 5 is cut after the material belt 6 is conveyed and suspended, and the diaphragm 5 in the moving process is cut by the laser cutting beam, so that the cutting track on the diaphragm 5 is perpendicular to the conveying direction of the material belt 6, and the cutting speed of the diaphragm 5 can be improved.

After the pole piece unit 7 is formed by cutting, the magnetic levitation mover 12 accelerates and conveys the pole piece unit 7 to a downstream process. Of course, the magnetic levitation movers 12 of the present embodiment may be used to correspond to one pole piece 4 with respect to a plurality of pole pieces 4 provided in the material belt 6, or one magnetic levitation mover 12 may correspond to a plurality of pole pieces 4, which is all possible.

In this embodiment, as a preferred embodiment, as shown in fig. 1 to 2, a vacuum jig is used for the adsorbing material belt 6. At this time, the vacuum jig is adopted to adsorb the material belt 6, so that the fixture is beneficial to efficiently and stably fixing the material belt 6, and damage to the surface of the material belt 6 caused by the fixture can be avoided, and the material belt 6 can move along with the magnetic levitation rotor 12.

In practice, the vacuum tool may employ related structures or products known to those skilled in the art, such as vacuum chucks. Of course, besides the vacuum jig, the jig of this embodiment may also use other existing structures or products with the capability of fixing the pole piece 4.

As a preferred embodiment, the processing device 1 of the present embodiment further includes a first pressing roller 13, and a gap for passing the material belt 6 is formed between the first pressing roller 13 and the jig. So set up, through setting up first compression roller 13 and controlling the clearance between first compression roller 13 and the tool, be favorable to making material area 6 press close to the tool to the fixed material area 6 of tool and drive the material area 6 and remove.

In particular, as an exemplary structure, as shown in fig. 1 to 2, two first pressing rollers 13 are provided upstream of the laser cutting unit 14, and the first pressing rollers 13 are fixed relatively to the outer carrier 11. When the magnetic levitation rotor 12 passes below the first press roller 13, a certain gap is formed between the first press roller 13 and the jig on the magnetic levitation rotor 12. The material belt 6 of the embodiment passes through the gap, and the material belt 6 is made to be closer to the jig under the action of the first press roller 13.

Of course, it should be noted that, instead of two first press rollers 13, one first press roller 13 may be used for the first press rollers 13 in this embodiment, or a plurality of first press rollers 13 may be disposed along the conveying direction of the material belt 6, so that the material belt 6 is better close to the jig, and the material belt 6 is prevented from slipping when moving along with the jig.

In this embodiment, as a preferred embodiment, as shown in fig. 1, a detecting unit 15 is disposed upstream of the magnetic levitation conveying unit along the conveying direction of the material belt 6, and the detecting unit 15 is used for detecting the distance between the adjacent pole pieces 4 in the material belt 6. Also, it is preferable that the detection unit 15 employs a chip-pitch detection camera.

At this time, the detection unit 15 of this embodiment can position the spacing position of the pole pieces 4, and by detecting the spacing between the adjacent pole pieces 4, the moving position of the magnetic levitation mover 12 is accurate, which is beneficial to improving the accuracy of the cutting position of the material belt 6.

In specific implementation, the sheet distance detection camera is arranged on one side of the pole piece 4 with the pole lugs, so that the distance between the adjacent pole pieces 4 can be obtained by detecting the distance between the pole lugs on the adjacent pole pieces 4. Of course, it is understood that, instead of using a pitch detection camera to detect the pitch between adjacent pole pieces 4, the detection unit 15 may also use other existing structures or products having a pitch detection function.

As a preferred embodiment, a press roller assembly is provided between the detection unit 15 and the magnetic levitation transport unit of the present embodiment, the press roller assembly including two second press rollers 16 rotatably provided, and a gap for passing the material tape 6 is formed between the two second press rollers 16.

So set up, through setting up second compression roller 16 and being used for the clearance that material area 6 passed through, be convenient for to the guide of the material area 6 that removes to do benefit to magnetic levitation rotor 12 drive material area 6 and remove. In specific implementation, the second press rollers 16 are not provided with a driving device and can rotate freely, and when the material belt 6 passes through a gap between the two second press rollers 16, the material belt 6 can drive the second press rollers 16 to rotate.

It should be noted that, instead of using two second press rolls 16, it is also possible to use a second press roll 16 and to bypass the material web 6 around the second press roll 16, or other existing structures or products having the guiding function of the material web 6.

In this embodiment, as a preferred embodiment, at least one of the second press rolls 16 is provided with an encoder 17, and the encoder 17 is used to detect the number of rotations of the second press roll 16. At this time, the encoder 17 can detect the number of turns of the second press roller 16, and can facilitate adjustment of the position and moving speed of the magnetic levitation mover 12 by comparing the conveying distance of the material belt 6 calculated by the number of turns with the conveying distance of the magnetic levitation mover 12, so as to facilitate elimination of positional deviation when the material belt 6 is conveyed.

In particular, the encoder 17 is fixedly disposed relative to the roller shafts of the second press rollers 16, and when the rollers of the second press rollers 16 rotate, the encoder 17 can record the number of turns or the angle of rotation of the rollers of the second press rollers 16, so that the conveying distance and the conveying speed of the material belt 6 passing through the gap between the two second press rollers 16 can be obtained.

By comparing the conveying distance of the material belt 6 with the moving distance of the magnetic levitation mover 12, whether the material belt 6 slips relative to the magnetic levitation mover 12 in the conveying process can be judged, so that the position and the moving speed of the magnetic levitation mover 12 can be conveniently adjusted, and the position deviation of the material belt 6 in conveying can be eliminated. Of course, instead of using the encoder 17 provided on the second press roller 16 to measure the conveying distance of the material belt 6, other existing structures or products having a function of measuring the conveying distance of the material belt 6 may be used.

As a preferred embodiment, the outer carrier 11 of this example adopts a circular wire body, and the magnetic levitation mover 12 is slidably disposed on the circular wire body. So set up, outside carrier 11 adopts the annular line body, can be convenient for magnetic suspension active cell 12 drive material area 6 remove the back backward flow, is favorable to improving processingequipment 1's efficiency.

In specific implementation, the external carrier 11 adopts an annular line body, and the magnetic levitation rotor 12 is arranged on the annular line body along the conveying direction of the material belt 6, so that the magnetic levitation conveying unit forms an annular magnetic levitation conveying line body. When the magnetic levitation rotor 12 drives the pole piece unit 7 to be conveyed to a downstream process, the pole piece unit flows back to the upstream of the laser cutting unit 14 along the annular line body, and the material belt 6 is continuously driven to move.

The processing device 1 of this embodiment, through magnetic suspension conveying unit conveying belt 6, can promote material area 6 conveying speed and conveying precision, simultaneously, through adopting laser cutting unit 14 to cut diaphragm 5, be favorable to improving diaphragm 5's cutting speed and cutting quality to do benefit to the machining efficiency who promotes processing device 1.

Example two

The present embodiment relates to a lamination system in which a processing apparatus 1 in the first embodiment is provided, and a lamination apparatus, as shown in fig. 1 to 3. Wherein the lamination device is used for laminating a plurality of pole piece units 7 to form an electric core.

The lamination system of the present embodiment is advantageous in improving the production efficiency of the lamination system by adopting the processing apparatus 1 of the embodiment. In specific implementation, the lamination device is only required to adopt the existing product with the function of laminating a plurality of pole piece units 7 to form the battery cell.

As a preferred embodiment, the lamination system of the present example further includes a tape preparation device, as shown in fig. 3. The tape preparation apparatus includes a diaphragm unwind assembly 23 and a diaphragm apply assembly 24. Wherein, the diaphragm unreeling component 23 is used for unreeling the diaphragm 5 into a belt-shaped diaphragm 5, and the diaphragm attaching component 24 is used for attaching the plurality of pole pieces 4 on the diaphragm 5 to form the material belt 6.

In this way, the separator unreeling assembly 23 can unreel the separator 5 into the band-shaped separator 5, and the separator attaching assembly 24 can attach the plurality of pole pieces 4 to the separator 5 to form the band 6. In specific implementation, the diaphragm unreeling assembly 23 is arranged on two sides of the conveying direction of the material belt 6, the diaphragms 5 are paved on two sides of the plurality of pole pieces 4, and the diaphragms 5 positioned on two sides of the pole pieces 4 are attached to the pole pieces 4 through the diaphragm unreeling assembly 23 to form the material belt 6.

In detail, the separator laminating assembly 24 of the present embodiment employs related products known to those skilled in the art, such as a separator compounding machine. In addition, the separator unreeling unit 23 may be provided on one side of the feeding direction of the material tape 6 in addition to the two sides of the feeding direction of the material tape 6, so as to prepare the material tape 6 with the separator 5 provided on one side.

In this embodiment, as a preferred embodiment, the material tape preparing apparatus further includes a pole piece unreeling assembly 21 and a pole piece cutting assembly 22. The pole piece unreeling component 21 is used for unreeling the pole piece 4 coiled material into the strip-shaped pole piece 3, and the pole piece cutting component 22 is used for cutting the strip-shaped pole piece 3 into a plurality of pole pieces 4.

At this time, by providing the pole piece cutting assembly 22, the band-shaped pole piece 3 can be cut into a plurality of pole pieces 4 so as to facilitate the plurality of pole pieces 4 to be arranged at intervals along the direction of the diaphragm 5. In particular, the pole piece cutting assembly 22 of the present embodiment employs related products known to those skilled in the art, such as a laser cutter.

In practice, the laser cutting machine for cutting the pole piece 4 may employ the cutting trajectory direction as in the first embodiment, and of course, the component of the cutting trajectory direction in the conveying direction along the material belt 6 is the same as the conveying speed of the pole piece 4. In this way, the strip-shaped pole piece 3 can be cut to form the pole piece 4 in the moving process of the strip-shaped pole piece 3, and the cutting efficiency of the strip-shaped pole piece 3 can be improved.

The lamination system of the present embodiment is advantageous in improving the production efficiency of the lamination system by adopting the processing apparatus 1 of the embodiment.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (10)

1. The utility model provides a pole piece unit processingequipment which characterized in that:

comprises a magnetic suspension conveying unit and a laser cutting unit;

The magnetic suspension conveying unit comprises a magnetic suspension stator arranged on an external carrier, and a plurality of magnetic suspension movers arranged on the external carrier in a sliding manner, wherein the magnetic suspension stator can drive the magnetic suspension movers to move, a jig is arranged on the magnetic suspension movers, and the jig is used for driving a material belt to move along with the magnetic suspension movers;

The material belt comprises a diaphragm and a plurality of pole pieces arranged on the diaphragm, the pole pieces are arranged at intervals along the conveying direction of the material belt, and the jig is used for fixing the position of the material belt, on which the pole pieces are arranged;

The laser cutting unit is capable of cutting the separator between adjacent pole pieces in motion, and cutting the strip of material to form pole piece units.

2. The pole piece unit processing device of claim 1, wherein:

The jig adopts a vacuum jig, and the vacuum jig is used for adsorbing the material belt.

3. The pole piece unit processing device of claim 1, wherein:

still include first compression roller, first compression roller with be formed with between the tool and be used for making the clearance that the material area passed through.

4. The pole piece unit processing device of claim 1, wherein:

A detection unit is arranged at the upstream of the magnetic suspension conveying unit along the conveying direction of the material belt and is used for detecting the distance between the adjacent pole pieces in the material belt;

The detection unit is a film distance detection camera.

5. The pole piece unit processing device of claim 4, wherein:

the magnetic suspension conveying device comprises a detection unit and a magnetic suspension conveying unit, wherein a press roller assembly is arranged between the detection unit and the magnetic suspension conveying unit and comprises two second press rollers which are rotatably arranged, and a gap for allowing a material belt to pass through is formed between the two second press rollers.

6. The pole piece unit processing device of claim 5, wherein:

At least one of the second press rollers is provided with an encoder which is used for detecting the rotation number of the second press rollers.

7. The pole piece unit processing device according to any one of claims 1 to 6, characterized in that:

the external carrier adopts an annular line body, and the magnetic suspension rotor is arranged on the annular line body in a sliding manner.

8. A lamination system characterized by:

The lamination system comprises a pole piece unit processing device as claimed in any one of claims 1 to 7, and a lamination device for laminating a plurality of the pole piece units to form an electrical cell.

9. A lamination system characterized by:

The device also comprises a material belt preparation device;

The material belt preparation device comprises a diaphragm unreeling assembly and a diaphragm attaching assembly;

The diaphragm unreeling assembly is used for unreeling diaphragm coiled materials into a belt shape of the diaphragm, and the diaphragm attaching assembly is used for attaching a plurality of pole pieces to the diaphragm so as to form the material belt.

10. The lamination system of claim 9, wherein:

the material belt preparation device further comprises a pole piece unreeling component and a pole piece cutting component;

The pole piece unreeling assembly is used for unreeling pole piece coiled materials into a strip-shaped pole piece, and the pole piece cutting assembly is used for cutting the strip-shaped pole piece into a plurality of pole pieces.