CN219851121U

CN219851121U - Dust removing device

Info

Publication number: CN219851121U
Application number: CN202320457686.1U
Authority: CN
Inventors: 薛声龙; 肖亮; 肖德华; 刘兵
Original assignee: Xinwangda Power Technology Co ltd
Current assignee: Xinwangda Power Technology Co ltd
Priority date: 2023-03-02
Filing date: 2023-03-02
Publication date: 2023-10-20
Anticipated expiration: 2033-03-02

Abstract

The utility model discloses a dust removing device, and belongs to the technical field of pole piece production. The dust removing device comprises a bracket, wherein the bracket comprises a first bracket and a second bracket which are oppositely arranged along a first direction, and the first bracket and the second bracket extend along a second direction; the first direction is perpendicular to the second direction, and the second direction is the conveying direction of the pole piece; the electrostatic rod, the positive pressure mechanism and the negative pressure mechanism are sequentially arranged between the first bracket and the second bracket along the second direction; one end of the electrostatic rod, one end of the positive pressure mechanism and one end of the negative pressure mechanism are connected with the first bracket, and the other end of the electrostatic rod, the positive pressure mechanism and the negative pressure mechanism are connected with the second bracket; wherein, at least one electrostatic rod, at least one positive pressure mechanism, at least one negative pressure mechanism set up in the same side of pole piece along the third direction, and the third direction is perpendicular with the second direction. The dust removing device comprises the electrostatic rod, the positive pressure mechanism and the negative pressure mechanism, dust can be effectively cleaned, and further the quality of products and the competitiveness of the products are improved.

Description

Dust removing device

Technical Field

The utility model relates to the technical field of pole piece production, in particular to a pole piece dust removing device.

Background

The pole piece is used as an important component in the battery, the pole piece is required to be coated and rolled during production, then cut according to the designed size, and finally dust (dust and metal chips are collectively called as dust) generated in the cutting process is removed by using a dust removing device, so that the finished product of the pole piece is obtained.

In the existing dust removing device, a brush is generally used for cleaning dust on the surface of the pole piece. However, static electricity is generated between the dust and the pole piece in the cutting process, so that the dust is firmly attached to the surface of the pole piece and is not easy to be removed by the brush.

In summary, the existing dust removing device cannot thoroughly clean dust attached to the surface of the pole piece after cutting, and residual dust can cause short circuit between the positive pole piece and the negative pole piece of the pole piece, so that the safety of a battery is affected.

Disclosure of Invention

The utility model aims to provide a dust removing device which can clean dust attached to the surface of a pole piece after cutting, and avoid short circuit between a positive pole piece and a negative pole piece of the pole piece, thereby improving the safety of a battery and solving the defects in the prior art.

The utility model provides a dust removing device for removing dust on a pole piece, which comprises:

the support comprises a first support and a second support which are oppositely arranged along a first direction, and the first support and the second support extend along a second direction; the first direction is perpendicular to the second direction, and the second direction is the conveying direction of the pole piece;

the electrostatic rod, the positive pressure mechanism and the negative pressure mechanism are sequentially arranged between the first bracket and the second bracket along the second direction; one end of the electrostatic rod, one end of the positive pressure mechanism and one end of the negative pressure mechanism are connected with the first bracket, and the other end of the electrostatic rod, the positive pressure mechanism and the negative pressure mechanism are connected with the second bracket;

at least one electrostatic rod, at least one positive pressure mechanism and at least one negative pressure mechanism are arranged on the same side of the pole piece along a third direction, and the first direction and the third direction are perpendicular to the second direction in pairs.

Optionally, in some embodiments of the present utility model, the dust removing device includes a brush, one end of the brush is connected to the first bracket, and the other end is connected to the second bracket; and the brush is arranged between the electrostatic rod and the positive pressure mechanism along the second direction.

Optionally, in some embodiments of the present utility model, the dust removing device includes two electrostatic rods, and the two electrostatic rods are disposed on two sides of the pole piece along the third direction.

Alternatively, in some embodiments of the utility model, the electrostatic bar is spaced from the pole piece by a distance of 0.1 mm to 5 mm in the first direction.

Optionally, in some embodiments of the present utility model, the dust removing device includes two brushes disposed on both sides of the pole piece along the third direction.

Optionally, in some embodiments of the present utility model, the dust removing device includes two positive pressure mechanisms, and the two positive pressure mechanisms are disposed on two sides of the pole piece along the third direction.

Optionally, in some embodiments of the present utility model, the dust removing device includes two negative pressure mechanisms, and the two negative pressure mechanisms are disposed on two sides of the pole piece along the third direction.

Optionally, in some embodiments of the present utility model, an air outlet groove is provided on one side of the positive pressure mechanism, the air outlet groove extends along the first direction, and an air outlet groove opening of the air outlet groove faces the pole piece.

Optionally, in some embodiments of the present utility model, an air inlet groove is disposed on one side of the negative pressure mechanism, the air inlet groove extends along the first direction, and an air inlet groove opening of the air inlet groove faces the pole piece.

Optionally, in some embodiments of the present utility model, the surface of the air outlet slot is an inclined surface, and the inclined surface is inclined downward from one side of the positive pressure mechanism to one side of the negative pressure mechanism, and/or the surface of the air inlet slot is an inclined surface, and the inclined surface is inclined downward from one side of the negative pressure mechanism to one side of the positive pressure mechanism.

Optionally, in some embodiments of the present utility model, a first included angle is formed between a surface of the air outlet slot and a surface of the pole piece, and the first included angle is 15 ° to 89 °, and/or a second included angle is formed between a surface of the air inlet slot and a surface of the pole piece, and the second included angle is 15 ° to 89 °.

Optionally, in some embodiments of the present utility model, the air outlet slot is long-line slot, the extending direction of the air outlet slot is perpendicular to the conveying direction of the pole piece, and/or the air inlet slot is long-line slot, and the extending direction of the air inlet slot is perpendicular to the conveying direction of the pole piece.

Alternatively, in some embodiments of the utility model, the electrostatic wand and the brush are rotatably coupled between the first bracket and the second bracket.

The utility model has the beneficial effects that:

the dust removing device provided by the utility model comprises the electrostatic rod, the positive pressure mechanism and the negative pressure mechanism, so that dust can be effectively cleaned, and the quality and the competitiveness of a battery are improved. Specifically, when the dust attached to the surface of the pole piece passes through the electrostatic rod, static electricity is eliminated, the brush rotates to loosen the dust brush after static electricity is eliminated, the dust can be further blown loose by wind of the positive pressure cavity, and then the dust is sucked into the negative pressure cavity when reaching the negative pressure cavity.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following description will briefly explain the drawings needed in the description of the embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a dust removing device according to an embodiment of the present utility model;

fig. 2 is a schematic structural diagram of a negative pressure mechanism according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram of a negative pressure mechanism according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram of a positive pressure mechanism according to an embodiment of the present utility model;

FIG. 5 is a second schematic structural view of the positive pressure mechanism according to the embodiment of the present utility model;

FIG. 6 is a schematic structural view of a bracket according to an embodiment of the present utility model;

fig. 7 is a schematic structural diagram of a first included angle and a second included angle according to an embodiment of the present utility model.

Reference numerals illustrate: 110-a bracket; 111-a first scaffold; 112-a second scaffold; 1101-first mounting hole; 1102-a second mounting hole; 1103-third mounting hole; 1104-fourth mounting holes; 120-electrostatic bar; 130-hairbrush; 140-positive pressure mechanism; 1401-an air outlet groove; 14011-outlet slot opening; 1402-positive pressure support; 1403-first included angle; 150-a negative pressure mechanism; 1501-an air inlet groove; 15011-air inlet slot opening; 1502-negative pressure support; 1503 second included angle; x-a second direction; y-a first direction; z-a third direction; 200-pole piece.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model. Furthermore, it should be understood that the detailed description is presented herein for purposes of illustration and description only, and is not intended to limit the utility model. In the present utility model, unless otherwise indicated, terms of orientation such as "upper" and "lower" are used to generally refer to the upper and lower positions of the device in actual use or operation, and specifically the orientation of the drawing figures; while "inner" and "outer" are for the outline of the device.

At the end of the technological research process, the inventors of the present utility model found that: in battery production, the coated and rolled pole piece is required to be cut into designed lengths or widths, and dust and metal scraps (dust and metal scraps are collectively called as dust) are generated in the cutting process. In the existing equipment structure, dust on the surface of the pole piece can be cleaned by using a hairbrush after slitting, but in the slitting process, the dust and the pole piece can generate static electricity, and the dust is easy to adhere to the surface of the pole piece. The dust cannot be thoroughly cleaned by the existing brush.

The embodiment of the utility model provides a dust removing device. The following will describe in detail. The following description of the embodiments is not intended to limit the preferred embodiments.

The embodiment of the utility model provides a dust removing device for removing dust on a pole piece 200, which is shown in fig. 1 and comprises a bracket 110, an electrostatic rod 120, a positive pressure mechanism 140 and a negative pressure mechanism 150. The dust removing device can effectively clean dust attached to the pole piece 200 and thoroughly remove the dust on the pole piece 200, thereby avoiding the short circuit between the positive pole piece and the negative pole piece and ensuring the safety of the battery. The electrostatic rod 120 in the dust removing device can remove the static electricity of dust on the pole piece 200, the positive pressure mechanism 140 can further blow the dust on the pole piece 200 loose, the negative pressure mechanism 150 can suck the dust, and especially the dust blown loose by the positive pressure mechanism 140 can be effectively sucked.

Further, the bracket 110 includes a first bracket 111 and a second bracket 112 disposed opposite in the first direction y. The first and second brackets 111 and 112 each extend in the second direction x.

In some embodiments, the pole piece is rectangular sheet-like, the first direction y is perpendicular to the second direction x, and the second direction x is the conveying direction of the pole piece 200, the second direction x is also the length direction of the pole piece 200, and the first direction y is the width direction of the pole piece 200. The support 110 is mainly used for installing the electrostatic rod 120, the positive pressure mechanism 140, the negative pressure mechanism 150 and the like, and the pole piece 200 can be conveyed through manual operation or can be automatically conveyed through a conveyor belt.

Further, as shown in fig. 6, the bracket 110 is provided with a first mounting hole 1101, a second mounting hole 1102, a third mounting hole 1103, and a fourth mounting hole 1104. That is, the first bracket 111 and the second bracket 112 are provided with a first mounting hole 1101, a second mounting hole 1102, a third mounting hole 1103, and a fourth mounting hole 1104, respectively.

Further, the electrostatic bars 120 are sequentially disposed between the first and second brackets 111 and 112 in the second direction x. One end of the electrostatic bar 120 is connected to the first bracket 111, and the other end is connected to the second bracket 112. Further, the electrostatic bar 120 is rotatably connected between the first and second brackets 111 and 112. It is envisioned that electrostatic bar 120 may spin as pole piece 200 is transported.

Further, the positive pressure mechanism 140 is disposed between the first bracket 111 and the second bracket 112 in order along the second direction x. And, one end of the positive pressure mechanism 140 is connected to the first bracket 111, and the other end is connected to the second bracket 112. Further, as shown in fig. 4, the positive pressure mechanism 140 is provided with a positive pressure support 1402 for mounting the positive pressure mechanism 140 on the first bracket 111 and the second bracket 112. Referring to fig. 4 and 6, the positive pressure support 1402 of the positive pressure mechanism 140 is mated with the third mounting hole 1103 of the bracket 110 so that the positive pressure mechanism 140 is mounted on the bracket 110.

Further, the negative pressure mechanism 150 is disposed between the first bracket 111 and the second bracket 112 in order along the second direction x. The negative pressure mechanism 150 has one end connected to the first bracket 111 and the other end connected to the second bracket 112. Further, as shown in fig. 2, the negative pressure mechanism 150 is provided with a negative pressure support portion 1502 for mounting the negative pressure mechanism 150 on the first bracket 111 and the second bracket 112. Referring to fig. 2 and 6, the negative pressure support portion 1502 is configured to mate with the fourth mounting hole 1104 of the bracket 110 so that the negative pressure mechanism 150 is mounted on the bracket 110.

In some embodiments, at least one electrostatic bar 120, at least one positive pressure mechanism 140, at least one negative pressure mechanism 150 are disposed on the same side of pole piece 200 in the third direction z. The third direction z is perpendicular to the second direction x, and the third direction z is the height direction of the pole piece 200. It is conceivable that the pole piece 200 has two opposite surfaces, and when dust attached to the surface of the pole piece 200 needs to be cleaned, at least one electrostatic rod 120, at least one positive pressure mechanism 140, and at least one negative pressure mechanism 150 may be disposed on a side corresponding to the surface of the pole piece 200, for dust cleaning the surface of the pole piece 200.

In some embodiments, the dust removing apparatus further includes a brush 130, one end of the brush 130 is connected to the first bracket 111, and the other end is connected to the second bracket 112. Further, the brush 130 is rotatably coupled between the first and second brackets 111 and 112. Further, the brush 130 is disposed between the electrostatic wand 120 and the positive pressure mechanism 140 along the second direction x. The brush 130 can loosen the dust brush, and then the positive pressure mechanism 140 further loosens the dust, so that the dust removing efficiency of the negative pressure mechanism 150 is improved.

In some embodiments, at least one electrostatic wand 120, at least one brush 130, at least one positive pressure mechanism 140, at least one negative pressure mechanism 150 are disposed on the same side of pole piece 200 in the third direction z.

In some embodiments, the dust removing device includes at least two brushes 130, and brushes 130 are respectively disposed at both sides of the pole piece 200 along the third direction z. The number and positions of the second mounting holes 1102 are matched with the number and mounting positions of the brushes 130.

In some embodiments, the distance of the electrostatic bar 120 from the pole piece 200 in the first direction y is 0.1-5 millimeters. For example, the distance of the electrostatic rod 120 from the pole piece 200 may be 0.1 mm, 0.2 mm, 0.5 mm, 0.8 mm, 1 mm, 1.2 mm, 1.4 mm, 1.8 mm, 2 mm, 2.2 mm, 2.5 mm, 3 mm, 3.5 mm, 4 mm, 4.2 mm, 4.5 mm, 4.8 mm, or 5 mm.

Further, the dust removing device includes two electrostatic bars 120, and the two electrostatic bars 120 are disposed at both sides of the pole piece 200 along the third direction z. It is envisioned that the number and location of the first mounting holes 1101 matches the number and location of the electrostatic bars 120.

In some embodiments, as shown in fig. 1 and 5, one side of positive pressure mechanism 140 is provided with an air outlet slot 1401, air outlet slot 1401 extends along first direction y, and air outlet slot 14011 of air outlet slot 1401 faces pole piece 200. It is conceivable that the length of the air outlet slot 1401 is matched with the width of the pole piece 200 along the first direction y, so as to better loosen dust on the surface of the pole piece 200 and improve the dust removal rate.

Further, the air outlet slot 14011 is long-line slot-shaped, and the length direction of the air outlet slot is perpendicular to the conveying direction of the pole piece 200, so that dust on the surface of the pole piece 200 is loosened better, and the dust removal rate is improved.

Further, the surface of the air outlet tank 1401 is an inclined surface, and the inclined surface is inclined downward from the positive pressure mechanism 140 side to the negative pressure mechanism side, so that loose dust can be blown to the negative pressure mechanism and absorbed by the negative pressure mechanism.

Further, as shown in fig. 7, a first included angle 1403 is formed between the surface of the air outlet tank 1401 and the surface of the pole piece 200, and the size of the first included angle 1403 is 15 ° to 89 °. For example, the first angle 1403 formed between the surface of the air outlet 1401 and the surface of the pole piece 200 may be 15 °, 20 °, 25 °, 30 °, 35 °, 40 °, 45 °, 50 °, 55 °, 60 °, 65 °, 70 °, 75 °, 80 °, 85 °, 88 °, or 89 °. The first included angle 1403 formed between the surface of the air outlet groove 1401 and the surface of the pole piece 200 can be adjusted according to practical situations. It is conceivable that the first angle 1403 formed between the surface of the air outlet slot 1401 and the surface of the pole piece 200 indicates the angle between the air blown out by the air slot 14011 and the pole piece 200. The positive pressure mechanism 140 may be fixedly mounted on the support 110 or may be rotatably mounted on the support 110.

In some embodiments, the dedusting apparatus includes two positive pressure mechanisms 140, with two positive pressure mechanisms 140 disposed on either side of pole piece 200 along third direction z. It is envisioned that the number and location of the third mounting holes 1103 are matched to the number and mounting location of the positive pressure mechanisms 140, and that the third mounting holes 1103 on the bracket 110 may be determined based on the desired positive pressure mechanisms 140.

In some embodiments, as shown in fig. 1 and 3, an air inlet slot 1501 is provided at one side of the negative pressure mechanism 150, the air inlet slot 1501 extends in the first direction y, and an air inlet slot 15011 of the air inlet slot 1501 faces the pole piece 200. It is envisioned that the length of air inlet slot 1501 matches the width of pole piece 200 in first direction y to better remove dust from the surface of pole piece 200.

Further, the slot 15011 of the air inlet slot is long-line slot, and the length direction of the slot of the air inlet slot is perpendicular to the conveying direction of the pole piece 200, so that dust on the surface of the pole piece 200 is better absorbed, and the dust removal rate is improved.

Further, the surface of the air inlet tank 1501 is an inclined surface, and the inclined surface is inclined downward from the negative pressure mechanism 150 side to the positive pressure mechanism side, so that dust blown loose by the positive pressure mechanism can be better absorbed.

Further, as shown in fig. 7, a second included angle 1503 is formed between the surface of the air inlet slot 1501 and the surface of the pole piece 200, and the size of the second included angle 1503 is 15 ° to 89 °, for example, the second included angle 1503 is formed between the surface of the air inlet slot 1501 and the surface of the pole piece 200, and the size of the second included angle 1503 is 15 ° to 89 ° and may be 5 °, 10 °, 15 °, 20 °, 25 °, 30 °, 35 °, 40 °, 45 °, 50 °, 55 °, 60 °, 65 °, 70 °, 75 °, 78 °, 80 °, 82 °, 85 °, 88 ° or 89 °. The included angle between the surface of the air inlet slot 1501 and the surface of the pole piece 200 can be adjusted according to the actual situation. It is conceivable that the second included angle 1503 formed between the surface of the air inlet slot 1501 and the surface of the pole piece 200 refers to the included angle between the air inlet of the air inlet slot 1501 and the pole piece 200. The negative pressure mechanism 150 may be fixedly mounted on the bracket 110, or the negative pressure mechanism 150 may be rotatably mounted on the bracket 110.

In some embodiments, the dust removing device includes at least two negative pressure mechanisms 150, and both sides of the pole piece 200 along the third direction z are provided with the negative pressure mechanisms 150. It is conceivable that the number and positions of the fourth mounting holes 1104 are matched with the number and mounting positions of the negative pressure mechanism 150, and that the fourth mounting holes 1104 on the bracket 110 may be determined according to the arrangement of the negative pressure mechanism 150.

In the foregoing embodiments, the descriptions of the embodiments are emphasized, and for parts of one embodiment that are not described in detail, reference may be made to related descriptions of other embodiments.

The foregoing has described in detail a dust-cleaning apparatus according to embodiments of the present utility model, and specific examples have been set forth herein to illustrate the principles and embodiments of the present utility model, the above examples being provided only to assist in understanding the method of the present utility model and its core ideas; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in light of the ideas of the present utility model, the present description should not be construed as limiting the present utility model.

Claims

1. A dust collector for dust removal of a pole piece (200), the dust collector comprising:

a bracket (110), the bracket (110) comprising a first bracket (111) and a second bracket (112) which are oppositely arranged along a first direction (y), and the first bracket (111) and the second bracket (112) both extend along a second direction (x); the first direction (y) is perpendicular to the second direction (x), and the second direction (x) is the conveying direction of the pole piece (200);

an electrostatic rod (120), a positive pressure mechanism (140) and a negative pressure mechanism (150), wherein the electrostatic rod (120), the positive pressure mechanism (140) and the negative pressure mechanism (150) are sequentially arranged between the first bracket (111) and the second bracket (112) along the second direction (x); one end of the electrostatic rod (120), one end of the positive pressure mechanism (140) and one end of the negative pressure mechanism (150) are connected to the first bracket (111), and the other end is connected to the second bracket (112);

at least one electrostatic rod (120), at least one positive pressure mechanism (140) and at least one negative pressure mechanism (150) are arranged on the same side of the pole piece (200) along a third direction (z), and the first direction (y), the second direction (x) and the third direction (z) are perpendicular to each other in pairs.

2. The dust removal device according to claim 1, characterized in that the dust removal device comprises a brush (130), one end of the brush (130) being connected to the first bracket (111) and the other end being connected to the second bracket (112); and the brush (130) is disposed between the electrostatic wand (120) and the positive pressure mechanism (140) along the second direction (x).

3. The dust removal device according to claim 1 or 2, characterized in that the distance of the electrostatic rod (120) from the pole piece (200) in the first direction (y) is 0.1-5 mm.

4. The dust removal device according to claim 1, characterized in that the dust removal device comprises two positive pressure mechanisms (140), the two positive pressure mechanisms (140) being arranged on both sides of the pole piece (200) in the third direction (z), and/or the dust removal device comprises two negative pressure mechanisms (150), the two negative pressure mechanisms (150) being arranged on both sides of the pole piece (200) in the third direction (z).

5. The dust removal device according to claim 1, wherein an air outlet groove (1401) is provided on one side of the positive pressure mechanism (140), the air outlet groove (1401) extends along the first direction (y), and an air outlet groove opening (14011) of the air outlet groove (1401) faces the pole piece (200).

6. The dust removal device according to claim 5, wherein an air inlet slot (1501) is provided at one side of the negative pressure mechanism (150), the air inlet slot (1501) extends in the first direction (y), and an air inlet slot opening (15011) of the air inlet slot (1501) faces the pole piece (200).

7. The dust removal device according to claim 6, wherein the air outlet groove (1401) is provided with an inclined surface which is inclined downward from one side of the positive pressure mechanism (140) to one side of the negative pressure mechanism, and/or the air inlet groove (1501) is provided with an inclined surface which is inclined downward from one side of the negative pressure mechanism (150) to one side of the positive pressure mechanism (140).

8. The dust removal device according to claim 7, wherein a first included angle (1403) is formed between the surface of the air outlet groove (1401) and the surface of the pole piece (200), the first included angle (1403) is 15-89 degrees, and/or a second included angle (1503) is formed between the surface of the air inlet groove (1501) and the surface of the pole piece (200), and the second included angle (1503) is 15-89 degrees.

9. The dust removal device according to claim 6, wherein the air outlet slot (14011) is long-line slot-shaped, the extending direction of the air outlet slot (14011) is perpendicular to the conveying direction of the pole piece (200), and/or the air inlet slot (15011) is long-line slot-shaped, and the extending direction of the air inlet slot (15011) is perpendicular to the conveying direction of the pole piece (200).

10. The dust removal device according to claim 2, wherein the electrostatic wand (120) and the brush (130) are rotatably connected between the first bracket (111) and the second bracket (112).