CN220105232U

CN220105232U - Battery cell dust removing and detecting device

Info

Publication number: CN220105232U
Application number: CN202321289323.8U
Authority: CN
Inventors: 吴茂鹏; 刘振旺
Original assignee: Svolt Energy Technology Co Ltd
Current assignee: Svolt Energy Technology Co Ltd
Priority date: 2023-05-23
Filing date: 2023-05-23
Publication date: 2023-11-28
Anticipated expiration: 2033-05-23

Abstract

The utility model provides a battery cell dust removing and detecting device, which comprises a rack and a clamping unit which is arranged on the rack in a sliding manner and used for clamping a battery cell, wherein the clamping unit is provided with an initial position and a dust removing and detecting position positioned on at least one side of the initial position due to sliding; the dust removal detection position is provided with dust removal units and image acquisition units positioned at the downstream of the dust removal units, the dust removal units are used for sucking impurities on the upper surface and the lower surface of the battery cell, and the image acquisition units are used for acquiring image information on the surface of the battery cell. According to the electric core dust removing and detecting device, the electric core is clamped by the clamping unit and moves from the initial position to the dust removing and detecting position, impurities on the upper surface and the lower surface of the electric core are removed through the dust removing unit, and the image collecting unit collects image information on the surface of the electric core, so that the dust removing efficiency of the electric core is improved, the dust removing effect is detected, and the electric core dust removing and detecting device has good practicability.

Description

Battery cell dust removing and detecting device

Technical Field

The utility model relates to the technical field of battery cell processing equipment, in particular to a battery cell dust removing and detecting device.

Background

In the existing short-blade lithium battery production, the surface dust removal and the foreign matter detection of the battery cell are important production processes, and the safety of the battery cell is directly related to the fact that the battery cell is possibly scrapped due to short circuit caused by the fact that the foreign matter punctures a diaphragm. At present, the common process of lithium battery manufacturers is single-station upper and lower cover shell type semi-closed dust removal, the dust removal effect is not ideal, and the production efficiency is not high. In addition, the device structural design of the battery cell during dust removal is unreasonable, so that the efficiency of the battery cell for dust removal is low. And the battery cell after dust removal lacks detection, and whether the dust removal effect of the battery cell is qualified cannot be known.

Disclosure of Invention

In view of the above, the present utility model is directed to a device for removing dust from an electrical core and detecting the same, so as to improve the dust removal efficiency of the electrical core, and detect the electrical core after dust removal.

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

the device comprises a rack and a clamping unit which is arranged on the rack in a sliding manner and used for clamping the battery cell, wherein the clamping unit is provided with an initial position and a dust removal detection position positioned on at least one side of the initial position due to sliding;

the dust removal detection position is provided with a dust removal unit and an image acquisition unit positioned at the downstream of each dust removal unit, the dust removal unit is used for sucking impurities on the upper surface and the lower surface of the battery cell, and the image acquisition unit is used for acquiring image information on the upper surface and the lower surface of the battery cell.

Further, the dust removing unit is respectively arranged at the upper side and the lower side of the electric core, the dust removing unit comprises a dust collecting box with a dust collecting opening facing the electric core, and the dust collecting opening is arranged in an extending manner along the width direction of the electric core;

and/or the image acquisition unit is arranged on at least one of the upper side and the lower side of the battery cell, and comprises an image acquisition part for acquiring image information of the upper surface or the lower surface of the battery cell and a light source positioned at the image acquisition part.

Further, a box body is arranged on the acquisition path of the image acquisition part, openings are formed in the top and the bottom of the box body, and the light source is positioned in the box body; and/or the number of the groups of groups,

the image acquisition part is a CCD camera.

Further, the positions of the image acquisition part and the light source in the vertical direction are adjustable.

Further, the clamping units are arranged at intervals along the width direction of the battery cell, and the dust removing units and the image collecting units are arranged in a one-to-one correspondence with the clamping units.

Further, the clamping unit comprises a bearing plate for bearing the battery cell, a plurality of first limiting plates, a plurality of second limiting plates and a sliding plate, wherein the first limiting plates are arranged on the bearing plate and are in butt joint with one side of the battery cell, the second limiting plates are in butt joint with the other side of the battery cell, the sliding plate is arranged on the bearing plate in a sliding manner along the width direction of the battery cell, and the sliding plate is provided with a plurality of compression blocks capable of being blocked on the upper surface of the battery cell;

the bottom of the bearing plate is provided with a through hole extending along the length direction of the battery cell.

Further, the pushing assembly comprises a driving part and a pushing part connected with the power output end of the driving part, and the pushing part can push the sliding plate in the vertical direction so that the sliding plate slides on the frame in the direction approaching to or far from the limiting plate.

Further, the bottom of the sliding plate is provided with a plurality of inclined planes which are arranged at intervals along the length direction of the sliding plate, the top of the pushing piece is rotationally arranged on the rolling body, and the pushing piece pushes the inclined planes through the rolling body.

Further, the battery cell clamping device further comprises a position detection part, wherein the position detection part is used for detecting the battery cell on the clamping unit at the initial position.

Further, a guide unit is arranged between the frame and the clamping unit.

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

according to the electric core dust removing and detecting device, the electric core is clamped by the clamping unit and moves from the initial position to the dust removing and detecting position, impurities on the upper surface and the lower surface of the electric core are removed through the dust removing unit, and the image collecting unit collects image information on the surface of the electric core, so that the dust removing efficiency of the electric core is improved, the dust removing effect is detected, and the electric core dust removing and detecting device has good practicability.

In addition, the dust collection opening on the dust collection box in the dust collection unit is beneficial to dust collection on the surface of the battery cell; and the image information of the surface of the battery cell is acquired through the image acquisition part in the image acquisition unit, so that the surface of the battery cell after dust removal is favorably detected, and the dust removal detection precision of the battery cell is favorably improved. The light source is positioned in the box body, so that the use effect of the light source is improved, the acquisition precision of the image acquisition part is improved, and the arrangement of the openings at the top and the bottom of the box body is beneficial to the acquisition effect of the image acquisition part; the image acquisition part is a CCD camera, so that the arrangement and implementation are convenient, and the image information acquisition effect is good. The positions of the image acquisition part and the light source in the vertical direction are adjustable, so that the positions of the image acquisition part and the light source can be adjusted conveniently, and the accuracy of image information is ensured.

In addition, the sliding plate is close to or far from the battery cell, so that the compression block is compressed on the top of the battery cell, and the positioning and clamping effects on the battery cell are improved; the through holes on the bearing plate are beneficial to exposing the lower surface of the battery cell, thereby being beneficial to improving the dust removal and image acquisition effects of the lower surface of the battery cell. The pushing piece pushes the sliding plate, so that the sliding plate slides towards a direction close to or far away from the battery cell, and the compression block is blocked on the battery cell or unblocked from the battery cell. The sliding plate can slide by pushing the inclined plane of the bottom plate through the rolling body on the pushing piece, and the sliding plate has the advantages of convenience in implementation and good use effect. The position detection part is arranged to detect whether the bearing plate is provided with the battery cell or not, so that the use effect is improved. By arranging the guide unit, the sliding stability of the clamping unit on the rack is improved.

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 structural diagram of a device for removing dust and detecting a battery cell according to an embodiment of the present utility model;

fig. 2 is a schematic structural view of a clamping unit according to an embodiment of the utility model;

FIG. 3 is a top view of FIG. 2;

FIG. 4 is a cross-sectional view taken along the direction A-A in FIG. 3;

FIG. 5 is a schematic view of a pushing assembly according to an embodiment of the present utility model;

fig. 6 is a schematic structural diagram of a dust removing unit and an image collecting unit according to an embodiment of the present utility model.

Reference numerals illustrate:

1. a battery cell; 2. a column; 3. a mounting bracket; 4. a CCD camera; 5. a case body; 6. a dust collection box; 7. a battery cell; 8. a bearing plate; 9. a sliding plate;

101. a linear module; 102. a linear guide rail; 103. a mounting base; 104. a driving section; 105. a pushing member; 106. a roller; 107. a position detection unit; 108. a U-shaped plate; 301. a mounting plate; 302. a vertical plate; 303. a first bar-shaped hole; 304. a second bar-shaped hole; 601. a communicating pipe; 801. a first limiting plate; 802. a second limiting plate; 901. a compaction block; 902. a bottom plate; 903. an inclined plane; 904. and (5) connecting a plate.

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 azimuth or a positional relationship such as "upper", "lower", "inner", "back", and the like are presented, they are based on the azimuth or the positional relationship shown in the drawings, only for convenience in 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 azimuth, be constructed and operated in a specific azimuth, 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.

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

The embodiment relates to a battery cell dust removing and detecting device, which comprises a frame 1 and a clamping unit which is arranged on the frame 1 in a sliding manner and is used for clamping a battery cell 7, wherein the clamping unit has an initial position due to sliding, and a dust removing and detecting position positioned on at least one side of the initial position. The dust removal detection position is provided with dust removal units and image acquisition units positioned at the downstream of the dust removal units, the dust removal units are used for sucking impurities on the upper surface and the lower surface of the battery cell 7, and the image acquisition units are used for acquiring image information on the surface of the battery cell 7.

Based on the above general description, an exemplary structure of the cell dust removing and detecting device according to the present embodiment is shown in fig. 1. As a preferred embodiment, the initial position is located in the middle of the rack 1, the dust removal detection positions are located on the left and right sides of the initial position, and the clamping unit can selectively slide to any one of the dust removal detection positions, and perform dust removal and detection processing on the battery cells 7. The clamping unit in this embodiment includes a support plate 8 for supporting the battery cell 7, a plurality of first limiting plates 801 which are arranged on the support plate 8 and are abutted to one side of the battery cell 7, a plurality of second limiting plates 802 which are arranged on the support plate 8 and are abutted to the other side of the battery cell 7, and a sliding plate 9 which is arranged on the support plate 8 in a sliding manner along the width direction of the battery cell 7, wherein a plurality of compression blocks 901 which can be blocked on the upper surface of the battery cell 7 are arranged on the sliding plate 9, and through holes which are arranged along the length direction of the battery cell 7 in an extending manner are arranged at the bottom of the support plate 8.

In a specific structure, as shown in fig. 2, a plurality of first limiting plates 801 and a plurality of second limiting plates 802 are all arranged at the side of the battery cell 7 at intervals along the length direction of the battery cell 7, and as a preferred embodiment, the first limiting plates 801 and the second limiting plates 802 are all L-shaped, and serve as horizontal parts for supporting the battery cell 7, and serve as vertical parts for abutting against the battery cell 7. The battery cell 7 can be suspended on the bearing plate 8 by the arrangement, so that the dust removal effect of the lower surface of the battery cell 7 is facilitated. In addition, in order to improve the dust removal and image information acquisition precision of the lower surface of the battery cell 7, the through hole should be as large as possible on the premise of meeting the installation requirement.

In order to facilitate the battery cell 7 to be placed in the positioning space defined by the first limiting plate 801 and the second limiting plate 802, the tops of the vertical parts of the first limiting plate 801 and the second limiting plate 802 are respectively provided with a guide surface for guiding the battery cell 7 to enter the installation space, and the guide surfaces are obliquely arranged, so that the battery cell is convenient to arrange and implement and has a good guide effect. The sliding plate 9 is located at the outer side of the second limiting plate 802 and extends along the length direction of the battery cell 7, and the plurality of compression blocks 901 are arranged at intervals along the length direction of the sliding plate 9. In order to improve the sliding effect of the sliding plate 9 on the supporting plate 8, a guide rail extending along the width direction of the battery cell 7 is arranged on the supporting plate 8, and the sliding plate 9 is slidably arranged on the guide rail.

When the sliding plate 9 slides close to the battery cell 7, the compression block 901 can be blocked on the upper surface of the battery cell 7, so that the positioning and clamping effect of the battery cell 7 is improved. When the sliding plate 9 slides in a direction away from the battery cell 7, the pressing block 901 can release the battery cell 7, and the battery cell 7 can be taken and placed at this time. In addition, a guide surface is provided at the end of the pressing block 901 for pressing the battery cell 7, which guide the pressing block 901 to be stopped against the battery cell 7.

As a preferred embodiment, the holding units are a plurality of which are arranged on the frame 1 at intervals in the width direction of the battery cells 7. As shown in fig. 2, the present embodiment is described with two clamping units as an example, and a solution in which the number of clamping units is greater than two is also possible. Wherein, the slider locates the same side of electric core 7, and the carrier plate 8 in two clamping units connects in an organic wholely, so be convenient for carry and remove dust and detect two electric cores 7 simultaneously. In order to further improve the use effect, the connecting plates 904 are respectively connected between the two ends of the two sliding plates 9, and the power output end of the first driving portion 104 is connected with one connecting plate 904 thereof, so that the two sliding pieces can be driven to slide synchronously.

In order to drive the sliding plate 9 to slide, the embodiment is further provided with a pushing assembly, the pushing assembly comprises a driving part 104 and a pushing piece 105 connected with the power output end of the driving part 104, and the pushing piece 105 can push the sliding plate 9 along the vertical direction so that the sliding plate 9 slides on the frame 1 towards a direction approaching or separating from the battery cell 7. In a specific structure, as shown in fig. 5, a mounting seat 103 is provided on the frame 1, and the pushing member 105 is plate-shaped and is slidably provided on the mounting seat 103 in the vertical direction. The driving part 104 is a cylinder arranged on the mounting seat 103, and the power output end of the cylinder is connected with the pushing piece 105 so as to drive the pushing piece 105 to slide back and forth along the vertical direction.

In order to improve the use effect of the pushing member 105, in this embodiment, as shown in fig. 3 and 4, a plurality of inclined planes 903 are disposed at the bottom of the sliding plate 9 at intervals along the length direction of the sliding plate 9, and the top of the pushing member 105 is rotatably disposed on the roller 106, and the pushing member 105 pushes the inclined planes through the roller 106. In a specific structure, a plurality of bottom plates 902 are vertically provided at the bottom of the slide plate 9, and the inclined surfaces 903 are provided at the bottom of the bottom plates 902. The roller 106 is rotatably disposed at the top end of the pushing member 105, and when the pushing member 105 slides upwards, the roller 106 can abut against the inclined plane 903, and pushes the inclined plane 903 in the rolling process, so that the sliding plate 9 slides in a direction approaching or separating from the battery cell 7.

As a preferred embodiment, in this embodiment, a position detecting unit 107 is further provided on the frame 1, and the position detecting unit 107 is used for detecting the battery cell 7 on the holding unit located at the initial position. In a specific structure, referring still to fig. 5, two position detecting portions 107 are further provided on the top of the mounting base 103, and the position detecting portions are respectively provided corresponding to the electric cores 7 to respectively detect whether the electric cores 7 are present on the two clamping units. In specific implementation, the position detecting unit 107 may be a photoelectric sensor in the prior art, which is mature in product and has a good detection effect, and of course, the position detecting unit 107 may also be another product capable of detecting the position of the battery cell 7 in the prior art.

To facilitate the arrangement of the photoelectric sensors, as shown in fig. 5, a U-shaped plate 108 is provided on the mount 103, and the photoelectric sensors are provided at both ends of the U-shaped plate 108, respectively. When the position sensor 107 detects the battery cell 7, the driving part 104 drives the pushing piece 105 to slide downwards, so that the sliding plate 9 slides towards the direction close to the battery cell 7, and the plurality of pressing blocks 901 are blocked on the top of the battery cell 7. When the electric core 7 needs to be taken out, the driving part 104 drives the sliding piece to slide in a direction away from the electric core 7, and the pressing block 901 releases the blocking of the electric core 7.

A guide unit is provided between the frame 1 and the clamping unit in this embodiment to guide the carrier plate 8 in sliding. As shown in fig. 1, the guide unit in the present embodiment includes linear modules 101 extending in the longitudinal direction of the frame 1 and respectively disposed between an initial position and one of the dust removal detection positions, and linear guide rails 102 disposed between the initial position and the other of the dust removal detection positions. One of the support plates 8 slides to one of the dust removal detection positions via the linear module 101, and the other support plate 8 slides to the other dust removal detection position via linear guide.

As a preferred embodiment, the dust removing units in this embodiment are respectively disposed on the upper and lower sides of the electric core 7, and the dust removing units include a dust collecting box 6 with dust collecting openings disposed toward the electric core 7, and the dust collecting openings extend along the width direction of the electric core 7. The image acquisition units are respectively arranged on at least one of the upper side and the lower side of the battery cell 7, preferably on the upper side and the lower side of the battery cell 7, namely the upper side and the lower side of the battery cell 7. The image pickup unit includes an image pickup section for picking up image information of the upper surface or the lower surface of the current core 7, and a light source located at the image pickup section.

In a specific structure, as shown in fig. 6, the dust collection box 6 in the present embodiment is substantially triangular, in which a straight side thereof as a triangle is provided toward the battery cell 7, and has the dust collection port described above. The preferred dust collection box 6 is flat, so that the dust collection opening is long, dust collection is convenient to be carried out in the moving process of the battery cell 7, and a good dust collection effect is achieved. For the dust absorption mouth, the dust absorption box 6 is communicated with a dust absorption pipe, and the dust absorption pipe is communicated with an external negative pressure part, so that impurities on the battery cell 7 are driven to enter the dust absorption box 6 through the dust absorption mouth. Wherein, two dust absorption pipes that are located electric core 7 and are located same one side link to each other through communicating pipe 601, and communicating pipe 601 that is located electric core 7 upper and lower both sides all can with an outside negative pressure portion simultaneously, do benefit to like this and improve the structure integrated level to reduce the quantity of spare part, and do benefit to reduction in production cost.

The image acquisition part in the embodiment is a CCD camera 4, and the lenses of each CCD camera 4 are arranged towards the battery cell 7, so that the product of the CCD camera 4 is mature, and the acquisition effect on image information is good. In order to further improve the image acquisition precision of the CCD cameras 4, a box body 5 is arranged on the acquisition path of each CCD camera 4, openings are formed in the top and the bottom of the box body 5, and a light source is positioned in the box body 5. Wherein the opening in the box 5 is beneficial to ensure that the collection path of the CCD camera 4 passes through. The circumferential direction of the light source ring box body 5 is provided, so that an annular light source effect is formed, and the use effect is good. In addition, a structure for strengthening the light effect can be arranged on the inner wall of the box body 5 so as to further improve the use effect,

in order to facilitate the implementation of the arrangement of the dust removing unit and the image collecting unit, as shown in fig. 1 and 6, a stand column 2 is arranged on one side of the frame 1, a mounting bracket 3 is arranged at the top of the stand column 2, the dust removing unit and the image collecting unit above the battery cell 7 are mounted on the mounting bracket 3, and the dust removing unit and the image collecting unit below the battery cell 7 are mounted on the frame 1. In a specific structure, a communicating pipe 601 in each dust removing unit is connected to the mounting bracket 3, a vertical plate 302 extending in a vertical mode is further arranged on the mounting bracket 3, and a CCD camera 4 and a box body 5 in each image collecting unit are respectively arranged on the vertical plate 302.

As a preferred embodiment, the positions of the image acquisition unit and the light source in the vertical direction are adjustable, so that focusing is facilitated, thereby ensuring the image acquisition accuracy of the surface of the battery cell 7. In a specific structure, as shown in fig. 6, a mounting plate 301 is provided on a vertical plate 302, and two adjacent CCD cameras 4 are mounted at both ends of the mounting plate 301. The vertical plate 302 is provided with a first bar-shaped hole 303 extending in the vertical direction, and a bolt penetrating through the mounting plate 301 slides in the first bar-shaped hole 303 and is screwed with a nut to be screwed after sliding in place, so that the mounting plate 301 is fixed on the vertical plate 302. Here, by changing the connection position between the mounting plate 301 and the standing plate 302, the position of the CCD camera 4 can be changed, thereby having better flexibility of use.

Similarly, a second bar-shaped hole 304 extending in the vertical direction is formed in the vertical plate 302, a bolt penetrating through the box body 5 can slide in the second bar-shaped hole 304, and the bolt is screwed with a nut after sliding in place, so that the box body 5 is fixed on the vertical plate 302. Here, by changing the connection position between the case 5 and the standing plate 302, the position of the case 5 can be changed, thereby having better flexibility of use. In addition, in the implementation, the number of the first strip-shaped holes 303 and the second strip-shaped holes 304 can be adaptively increased according to the use requirement. It should be noted that the vertical plate 302 located below the battery cell 7 is fixed to the frame 1.

When the electric core dust removing and detecting device in the embodiment is used, the driving part 104 drives the sliding part to slide towards the direction far away from the electric core 7, so that the pressing block 901 keeps the electric core 7 in place, then the electric core 7 is placed on the bearing plate 8, and then the driving part 104 drives the sliding part to slide towards the direction close to the electric core 7, so that the pressing block 901 presses the surface of the electric core 7, and the positioning and clamping of the electric core 7 are realized. Then, the supporting plate 8 is driven to slide towards a dust removal detection position of the battery cell 7, in the sliding process of the battery cell 7, the dust collection box 6 sucks impurities on the surface of the battery cell 7, the battery cell 7 after dust collection is photographed by the CCD camera 4 to obtain image information, dust collection and detection of the battery cell 7 are completed, after dust collection and detection are completed, the driving part drives the sliding part to slide towards a direction far away from the battery cell 7, the pressing block 901 releases the blocking of the battery cell 7, and then the battery cell 7 is taken down. The carrier plate 8 is then urged to return again to the original position, and the above operation is repeated.

According to the electric core dust removal and detection device, the electric core 7 is clamped by the clamping unit and moves from the initial position to the dust removal detection position, impurities on the upper surface and the lower surface of the electric core 7 are removed through the dust removal unit, and the image information on the upper surface and the lower surface of the electric core 7 is acquired by the image acquisition unit, so that the dust removal efficiency of the electric core 7 is improved, the dust removal effect is detected, and the electric core dust removal and detection device has good practicability.

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

1. The utility model provides a electricity core dust removal and detection device which characterized in that:

the dust removal detection position is provided with a dust removal unit and an image acquisition unit positioned at the downstream of each dust removal unit, the dust removal unit is used for sucking impurities on the upper surface and the lower surface of the battery cell, and the image acquisition unit is used for acquiring image information on the surface of the battery cell.

2. The cell dust removal and detection device of claim 1, wherein:

the dust removing unit is respectively arranged at the upper side and the lower side of the electric core, the dust removing unit comprises a dust collecting box with a dust collecting opening facing the electric core, and the dust collecting opening is arranged in an extending way along the width direction of the electric core;

3. The cell dust removal and detection device of claim 2, wherein:

the image acquisition device comprises an image acquisition part, a light source and a box body, wherein the acquisition path of the image acquisition part is provided with the box body, the top and the bottom of the box body are both provided with openings, and the light source is positioned in the box body; and/or the number of the groups of groups,

the image acquisition part is a CCD camera.

4. The cell dust removal and detection device of claim 2, wherein:

the positions of the image acquisition part and the light source in the vertical direction are adjustable.

5. The cell dust removal and detection device of claim 1, wherein:

the clamping units are arranged at intervals along the width direction of the battery cell, and the dust removing units and the image collecting units are arranged in a one-to-one correspondence with the clamping units.

6. The cell dust removal and detection device of claim 5, wherein:

the clamping unit comprises a bearing plate for bearing the battery cell, a plurality of first limiting plates, a plurality of second limiting plates and a sliding plate, wherein the first limiting plates are arranged on the bearing plate and are in butt joint with one side of the battery cell, the second limiting plates are in butt joint with the other side of the battery cell, the sliding plate is arranged on the bearing plate in a sliding manner along the width direction of the battery cell, and the sliding plate is provided with a plurality of compression blocks which can be blocked on the upper surface of the battery cell;

7. The cell dust removal and detection device of claim 6, wherein:

the pushing component comprises a driving part and a pushing piece connected with the power output end of the driving part, and the pushing piece can push the sliding plate in the vertical direction so that the sliding plate slides on the frame in the direction approaching to or far from the limiting plate.

8. The cell dust removal and detection device of claim 7, wherein:

the bottom of the sliding plate is provided with a plurality of inclined planes which are arranged at intervals along the length direction of the sliding plate, the top of the pushing piece is rotationally arranged on the rolling body, and the pushing piece pushes the inclined planes through the rolling body.

9. The cell dust removal and detection device of claim 5, wherein:

the battery cell clamping device further comprises a position detection part, wherein the position detection part is used for detecting the battery cell on the clamping unit at the initial position.

10. The cell dust removal and detection device according to any one of claims 1 to 9, wherein:

and a guide unit is arranged between the frame and the clamping unit.