Dust collection passing roller and pole piece dust removal device

Abstract

The utility model belongs to the technical field of battery production, and particularly relates to a dust collection passing roller and a pole piece dust removal device, which comprise a roller body, a plurality of dust collection holes, a dust collection roller and a dust collection roller, the roller shaft protrudes out of the two axial ends of the roller body, and a negative pressure channel communicated with the interior of the roller body is arranged in the roller shaft; the brush is arranged in the roller body, and the bristle part of the brush penetrates out of the dust collection holes to the outside of the roller body; the utility model has the beneficial effects that the pole piece passes through the roller, burrs and impurities on the surface of the pole piece can be cleaned by the brush hair part exposed outside the roller body, the smoothness of the surface of the pole piece is ensured to be good, the quality and the performance of the pole piece are ensured to be reliable, and the short circuit of a battery caused by the pole piece in the subsequent use is prevented; and the cleaned burrs and impurities can be sucked into the roller shaft through the negative pressure channel, so that the burrs and the impurities are prevented from generating dust raising, secondary pollution is prevented, and the practicability is high.

Description

TECHNICAL FIELD

[0001] The utility model belongs to battery production technical field especially relates to a dust absorption over roller and pole piece dust removal device. BACKGROUND

[0002] With the continuous development of new energy vehicles, the safety performance of the battery is also more and more people's attention, the battery pole piece in the production die cutting process will produce burr or other impurities on the edge of the pole piece, burr or impurities will affect the surface smoothness of the pole piece, increase the risk of short circuit or other safety problems when the battery is used.

[0003] In the prior art, the over roller with a brush is mostly used to clean the surface of the pole piece in the production process of the pole piece, remove burrs and impurities, but the burrs and impurities cleaned by the brush are easy to cause dust, thereby easy to produce secondary pollution, affect the performance of the pole piece. UTILITY MODEL CONTENTS

[0004] The utility model aims at the above -mentioned technical problem, provides a dust absorption over roller and pole piece dust removal device, reaches the effect that both clean the surface of the pole piece and prevent secondary pollution.

[0005] Therefore, the utility model provides a dust absorption over roller, which comprises:

[0006] The roller body is internally hollow, and a plurality of dust suction holes are arranged on the circumferential side of the roller body;

[0007] The roller shaft protrudes from the axial ends of the roller body, and a negative pressure channel is arranged in the roller shaft and connected with the interior of the roller body;

[0008] The brush is arranged in the interior of the roller body, and the bristle part of the brush penetrates through the dust suction hole to the exterior of the roller body.

[0009] Further, the middle part of the roller body is provided with a first solid part.

[0010] Further, the two ends of the roller body are provided with a second solid part.

[0011] Further, the roller shaft penetrates through the roller body.

[0012] Further, the brush is installed on the roller shaft.

[0013] Further, the brush further comprises a fixing part, the fixing part is an annular structure installed on the roller shaft, and the bristle part is installed on the fixing part.

[0014] Further, the pattern of the bristle part is in the form of a screw thread.

[0015] Further, the plurality of dust suction holes are arranged in a grid shape.

[0016] The pole piece dust removal device comprises the dust removal roller and a guide roller, and a material passing channel for the pole piece is formed between the dust removal roller and the guide roller.

[0017] Further, the guide roller is provided with a brush on the circumferential side.

[0018] The pole piece dust removal device has the following beneficial effects:

[0019] 1. The pole piece passes through the roller, and burrs and impurities on the surface of the pole piece are cleaned by the brush exposed outside the roller body, so that the smoothness of the surface of the pole piece is ensured, the quality and performance of the pole piece are reliable, and the pole piece is prevented from causing a battery short circuit in subsequent use; the burrs and impurities cleaned out are sucked into the roller shaft through the negative pressure channel, dust generated by the burrs and impurities is avoided, pollution is prevented, and the device has high practicability. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a structural schematic view of the pole piece dust removal device in the utility model;

[0021] Figure 2 is a schematic view of the internal structure of the dust removal roller in the utility model;

[0022] The marks in the figure represent:

[0023] 1. roller body; 2. dust suction hole; 3. roller shaft; 4. brush; 41. brush part; 42. fixed part; 5. negative pressure channel; 6. first solid part; 7. second solid part; 8. guide roller. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the application will be clearly described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the application.

[0025] In the description of the present application, it should be noted that the terms used herein are only for the purpose of describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. For ease of description, the sizes of the various parts shown in the drawings are not drawn in proportion to the actual proportions. The techniques, methods and devices known to those skilled in the relevant art can not be discussed in detail, but in appropriate cases, the techniques, methods and devices should be considered as part of the authorized description. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary and not as a limitation. Therefore, other examples of exemplary embodiments can have different values. It should be noted that similar reference numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0026] Embodiment 1:

[0027] The present embodiment provides a dust cleaning roller, comprising:

[0028] A roller body 1 is provided with a plurality of dust suction holes 2 on the circumferential side of the roller body 1.

[0029] A roller shaft 3 protrudes from the axial ends of the roller body 1, and the roller shaft 3 is provided with a negative pressure channel 5 connected to the inside of the roller body 1.

[0030] A brush 4 is provided inside the roller body 1, and the brush 4 has a brush portion 41 that protrudes out of the dust suction hole 2 to the outside of the roller body 1.

[0031] In the present technical solution, the pole piece is subjected to a roller operation after die cutting, the roller shaft 3 rotates to drive the roller body 1 to rotate, and the brush 4 in the roller body 1 also rotates with the roller body 1. When the pole piece passes through the roller body 1, the brush portion 41 exposed to the outside of the roller body 1 will clean the pole piece, removing burrs or impurities such as welding slag generated by die cutting of the pole piece, ensuring good smoothness of the surface of the pole piece, ensuring reliable quality and performance of the pole piece, and avoiding short circuit during subsequent charging and discharging.

[0032] The negative pressure channel 5 on the roller shaft 3 is connected to an external negative pressure device, and at the same time that the roller body 1 rotates, the negative pressure device is started to directly suck the burrs or impurities cleaned from the pole piece into the roller body 1 through the dust suction hole 2, avoiding secondary pollution caused by dust generated by the burrs or impurities cleaned.

[0033] In summary, through the structure design, the burrs and impurities on the surface of the pole piece passing through the roller can be cleaned, preventing the pole piece from causing battery short circuit in subsequent use; and the burrs and impurities cleaned will be sucked into the roller shaft 3 through the negative pressure channel 5, avoiding dust generated by the burrs and impurities, preventing pollution, and having high practicability.

[0034] Embodiment 2:

[0035] The embodiment provides a dust-absorbing roller, which has the following technical features in addition to the technical solutions in the above embodiments.

[0036] Further, the middle part of the roller body 1 is provided with a first solid part 6.

[0037] In the technical solution, since burrs or impurities of the pole piece are generally concentrated on the die-cutting positions on both sides of the pole piece, the middle position of the pole piece basically does not need to be cleaned, and therefore the first solid part 6 is arranged in the middle part of the roller body 1, so that the structural strength of the inside of the roller is improved while the cleaning effect of the roller is ensured, and the bending resistance of the roller is enhanced, and the practicability is effectively improved.

[0038] Further, the two ends of the roller body 1 are provided with second solid parts 7. Through the structure design, the two ends of the roller are non-hollow, and the structural strength of the inside of the roller is further improved while the cleaning effect of the roller is ensured.

[0039] Embodiment 3:

[0040] The embodiment provides a dust-absorbing roller, which has the following technical features in addition to the technical solutions in the above embodiments.

[0041] Further, the roller shaft 3 is arranged through the roller body 1.

[0042] In the technical solution, the roller shaft 3 is arranged through the first solid part 6 and the second solid part 7 of the roller body 1, which improves the connection firmness between the roller shaft 3 and the roller body 1, increases the support force of the roller shaft 3 on the roller body 1, makes the internal structure of the roller more stable, and makes the working of the roller more reliable.

[0043] On the other hand, the roller shaft 3 is arranged through the first solid part 6 and the second solid part 7, which reduces the area of the negative pressure suction port of the negative pressure channel 5 in the roller shaft 3 and connected with the inside of the roller body 1, so that the suction force of the negative pressure channel 5 is increased, and the burrs and impurities cleaned are more easily sucked into the roller shaft 3, and the practicability is improved.

[0044] Embodiment 4:

[0045] The embodiment provides a dust-absorbing roller, which has the following technical features in addition to the technical solutions in the above embodiments.

[0046] Further, the roller shaft 3 is arranged through the roller body 1.

[0047] Further, the brush 4 further includes a fixing part 42, the fixing part 42 is arranged on the roller shaft 3 in a ring structure, and the bristle part 41 is arranged on the fixing part 42.

[0048] In the technical solution, the fixing part 42 of the brush 4 is designed as a ring structure on the rotating shaft 3, the stability of the cleaning operation of the brush 4 is enhanced, the manufacturing cost is reduced, and the economic benefit is effectively improved.

[0049] Embodiment 5:

[0050] The embodiment provides a dust-absorbing roller, which has the following technical features in addition to the technical solutions in the above embodiments.

[0051] Further, the thread of the brush part 41 is in a screw thread shape.

[0052] In the technical solution, the thread of the brush part 41 is in a screw thread shape, and the direction of the thread is consistent with the rotating direction of the roller. When the roller rotates, the brush part 41 can sweep the burrs and impurities on the pole piece to the two sides of the pole piece, so that the smoothness of the middle position of the pole piece is not affected, and the practicability is effectively improved.

[0053] Embodiment 6:

[0054] The embodiment provides a dust-absorbing roller, which has the following technical features in addition to the technical solutions in the above embodiments.

[0055] Further, the dust-absorbing holes 2 are arranged in a grid shape.

[0056] In the technical solution, the structure strength of the surface structure of the roller is increased, and the suction force of the dust-absorbing holes 2 is also improved, so that the swept burrs and impurities are more easily sucked into the roller body 1, and the practicability is improved.

[0057] Embodiment 7:

[0058] The embodiment provides a pole piece dust removal device, which comprises the dust-absorbing roller in any one of the above embodiments 1-6.

[0059] Further, the dust-absorbing roller and the guide roller 8 form a material passing channel through which the pole piece passes.

[0060] Further, the guide roller 8 is provided with the brush 4 on the circumferential side.

[0061] In the technical solution, the pole piece dust removal device can be composed of one dust-absorbing roller and one solid guide roller 8 provided with the brush 4 on the circumferential side, or can be composed of two dust-absorbing rollers. The pole piece passes between the roller body 1 and the solid guide roller 8, and is cleaned by the brushes 4 on the roller body 1 and the solid guide roller 8, or the pole piece passes between the two roller bodies 1 and is cleaned by the brushes 4 on the two roller bodies 1, and the swept burrs and impurities are sucked into the dust-absorbing roller.

[0062] The embodiments of the present application are described above with reference to the drawings, and the embodiments and features in the embodiments of the present application can be combined with each other without conflict, and the present application is not limited to the above-described specific embodiments, and the above-described specific embodiments are only illustrative but not restrictive, and a person of ordinary skill in the art can make many forms under the inspiration of the present application without departing from the purpose of the present application and the scope protected by the claims, and all belong to the protection of the present application.

Claims

1. A dust-collecting roller, characterized in that, include: Roller body (1), the inside of the roller body (1) is hollow, and a number of dust suction holes (2) are provided on the periphery of the roller body (1). Roller (3) protrudes from both ends of the roller body (1) and a negative pressure channel (5) is provided inside the roller (3) that communicates with the inside of the roller body (1). A brush (4) is located inside the roller body (1), and the bristles (41) of the brush (4) extend through the dust suction hole (2) to the outside of the roller body (1). The roller (1) has a first solid part (6) in the middle. The roller body (1) has a second solid part (7) at both ends; The roller shaft (3) is arranged through the roller body (1); The roller (3) is disposed through the first solid part (6) and the second solid part (7); The brush (4) is mounted on the roller (3).

2. The dust-collecting roller according to claim 1, characterized in that, The brush (4) also includes a fixing part (42), which is a ring structure mounted on the roller (3), and the bristle part (41) is mounted on the fixing part (42).

3. A dust-collecting roller according to claim 1, characterized in that, The texture of the bristle part (41) is spiral.

4. A dust-collecting roller according to claim 1, characterized in that, Several of the aforementioned suction holes (2) are arranged in a grid pattern.

5. A dust removal device for electrode plates, characterized in that, The dust suction roller according to any one of claims 1-4 further includes a guide roller (8), and a material passage for the electrode sheet is formed between the dust suction roller and the guide roller (8).

6. The electrode dust removal device according to claim 5, characterized in that, The guide roller (8) is provided with a brush (4) on its circumference.

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