CN222132757U - Lithium battery compression roller cleaning device - Google Patents

Abstract

The utility model provides a lithium battery press roller cleaning device which comprises a frame, a press roller mechanism and a cleaning mechanism, wherein the press roller mechanism and the cleaning mechanism are erected on the frame, the press roller mechanism comprises a press roller, the press roller is connected with the frame, the cleaning mechanism comprises a sponge roller and a spraying assembly which are connected, the spraying assembly is used for spraying the sponge roller, and the roller surface of the sponge roller is abutted against the roller surface of the press roller. Compared with the traditional method of cleaning the surface of the press roller by using a scraper, the method of cleaning the surface of the press roller by using the sponge roller has the advantages that the damage to the surface of the press roller is smaller, the condition that the surface of the press roller is scraped is avoided, the condition of frequent cleaning or scraper replacement is avoided, and the later maintenance cost is lower.

Description

Lithium battery compression roller cleaning device

Technical Field

The utility model relates to the technical field of lithium battery manufacturing equipment, in particular to a cleaning device for a compression roller of a lithium battery.

Background

In the lithium battery preparation technology, in order to make the material coated on the pole piece tighter, ensure that the surface of the pole piece is smooth and flat, prevent burrs on the surface of the coating from penetrating through a diaphragm to cause short circuit, improve the energy density of the battery, ensure the consistency of the thickness, and generally need to roll the pole piece attached with the anode and cathode materials. In the process of rolling by the press roller, slurry or other dust and other foreign matters on the pole piece may adhere to the press roller and accumulate gradually, so that the slurry and other foreign matters are adhered to the press roller after being dried and become difficult to clean, and the quality of products is affected. It is therefore necessary to clean foreign matter on the pressing roller in real time.

An automatic roller wiping device for a rolling roller of a lithium battery is disclosed in Chinese patent CN214600535U, and mainly comprises a wiping mechanism and a scraper mechanism which are respectively arranged on two sides of the rolling roller, then foreign matter scraping treatment is carried out on the outer surface of the rolling roller by a scraper of the scraper mechanism, and then the outer surface of the rolling roller is wiped by the wiping mechanism, so that the effect of cleaning the foreign matter on the surface of the rolling roller is achieved. The cleaning action on the surface of the press roller can be achieved by the above-described means, but the following problems are also liable to occur:

1. the scraper is easy to wear, so that the contact between the scraper and the surface of the compression roller is incomplete, and the cleaning of the scraper is uneven;

2. The condition that the scraper scrapes the base material on the surface of the press roller easily occurs;

3. The impurities on the scraper can be accumulated more and more along with time, and manual intervention and shutdown are often required to clean the impurities on the scraper;

4. The impurity paint accumulated on the scraper is easy to fall on the surface of the pole piece, so that the pole piece is polluted.

Based on the problems that the scraper is adopted to clean the press roller easily, the improvement is needed on the basis of the prior art, and the lithium battery press roller cleaning device with small damage to the surface of the press roller and better cleaning effect is provided.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides the lithium battery press roll cleaning device which is reasonable in structure and better in cleaning effect.

In order to solve the technical problems, the technical scheme includes that the lithium battery press roll cleaning device comprises a frame, and a press roll mechanism and a cleaning mechanism which are erected on the frame, wherein the press roll mechanism comprises a press roll, the press roll is connected with the frame, the cleaning mechanism comprises a sponge roll and a spraying assembly which are connected, the spraying assembly is used for spraying the sponge roll, and the roll surface of the sponge roll is abutted to the roll surface of the press roll.

Preferably, the rolling mechanism further comprises a driving roller and a driving assembly which are connected, the driving assembly is arranged on the frame, the driving roller is erected on the frame, the driving assembly can drive the driving roller to rotate relative to the frame, and a gap for conveying the pole piece is arranged between the driving roller and the pressing roller.

Preferably, the driving assembly comprises a driving source, a driving wheel and a driven wheel, the driving source, the driving wheel and the driven wheel are sequentially connected, the driving source can drive the driven wheel to rotate through the driving wheel, the driven wheel is also connected with the driving roller, and the driven wheel can drive the driving roller to rotate.

Preferably, the rolling mechanism comprises a driving roller, a driving assembly and a fixing seat arranged on the frame, the pressing roller is connected with the frame through the fixing seat, a lifting assembly is further arranged on the fixing seat, the pressing roller is connected with the lifting assembly, and the lifting assembly can control the pressing roller to be close to or far away from the driving roller.

Preferably, the lifting assembly comprises a sliding rod and a lifting table, the lifting table is connected to the sliding rod in a sliding manner, two ends of the pressing roller are respectively connected to the lifting table, and the lifting table can control the pressing roller to be close to or far away from the driving roller.

Preferably, a supporting plate is further arranged at one end of the fixing seat, the supporting plate, the fixing seat and the frame are sequentially connected, two ends of the sponge roller are connected with the supporting plate, a damping block is arranged on the supporting plate, and the sponge roller is fixed with the supporting plate through the damping block.

Preferably, one end of the fixing seat is further provided with a supporting plate, the sponge roller is rotationally connected to the supporting plate, the roller surface of the sponge roller is abutted to the roller surface of the press roller, and the sponge roller can be driven to rotate when the press roller rotates.

Preferably, a support plate is further arranged at one end of the fixing seat, a fixing block is arranged at one side of the support plate, the fixing block is arranged to protrude outwards relative to the support plate, the spraying assembly comprises spraying pipes, two ends of each spraying pipe are respectively fixed on the fixing block, and the spraying pipes are arranged at intervals on one side of the sponge roller.

Preferably, the interval between the spray pipe and the sponge roller is 4-6cm.

Preferably, one side of the spraying pipe, which faces the sponge roller, is provided with a plurality of spraying holes, and a plurality of spraying holes are arranged at intervals.

The cleaning device for the lithium battery press roller has the advantages that the cleaning device for the lithium battery press roller is different from the traditional roller surface cleaning device in that the spraying assembly is additionally arranged, so that the sponge roller integrates the functions of cleaning impurities on the roller surface and wetting the roller surface in the working process, and the effect is better. Compared with the traditional method of cleaning the surface of the press roller by using a scraper, the method of cleaning the surface of the press roller by using the sponge roller has the advantages that the damage to the surface of the press roller is smaller, the condition that the surface of the press roller is scraped is avoided, the condition of frequent cleaning or scraper replacement is avoided, and the later maintenance cost is lower.

Drawings

The foregoing and other objects, features and advantages of the utility model will be apparent from the following more particular description of preferred embodiments of the utility model, as illustrated in the accompanying drawings. Like reference numerals refer to like parts throughout the drawings, and the drawings are not intentionally drawn to scale on actual size or the like, with emphasis on illustrating the principles of the utility model.

FIG. 1 is a schematic view of a lithium battery press roll cleaning apparatus according to a first perspective;

FIG. 2 is a schematic view of a second perspective of a lithium battery press roll cleaning apparatus according to the present utility model;

FIG. 3 is an enlarged schematic view of a portion A of FIG. 2;

In the drawing, a frame 1, a compression roller 10, a sponge roller 11, a spray assembly 12, a spray pipe 121, spray holes 122, a driving roller 13, a driving assembly 14, a driving wheel 141, a driven wheel 142, a fixed seat 15, a lifting assembly 16, a sliding rod 161, a lifting table 162, a supporting plate 17, a damping block 18 and a fixed block 19 are arranged.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to and integrated with the other element or intervening elements may also be present. The terms "mounted," "one end," "the other end," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used in the description herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-3, the utility model provides a cleaning device for a lithium battery press roll 10, which comprises a frame 1, and a roll pressing mechanism and a cleaning mechanism which are arranged on the frame 1, wherein the roll pressing mechanism comprises a press roll 10, the press roll 10 is connected with the frame 1, the cleaning mechanism comprises a sponge roll 11 and a spray assembly 12 which are connected, the spray assembly 12 is used for spraying the sponge roll 11, and the roll surface of the sponge roll 11 is abutted with the roll surface of the press roll 10.

Specifically, the surface of the pressing roller 10 is often stained with the slurry on the substrate in the use process, if the slurry is dried, the surface of the pressing roller 10 is solidified and remained to be difficult to clean, so that the surface of the pressing roller 10 is abutted against the surface of the pressing roller 10 through the surface of the sponge roller 11, the pressing roller 10 always contacts with the sponge roller 11 in the rotating process to generate friction, so that the residual foreign matters on the surface of the pressing roller 10 are cleaned, in addition, the sponge roller 11 is sprayed through the spraying assembly 12, the surface of the sponge roller 11 can be kept in a wet state, and the surface of the pressing roller 10 can be kept in a wet state simultaneously due to the fact that the pressing roller 10 always contacts with the sponge roller 11 in the working process, so that the foreign matters are prevented from being adhered to the surface of the pressing roller 10 after being dried and solidified, and the sponge roller 11 is more convenient for cleaning the pressing roller 10. Compared with the prior method of cleaning the press roller 10 by using a scraper, the sponge roller 11 can avoid scraping the surface of the press roller 10, and the sponge roller 11 can clean the press roller 10 and keep the surface of the press roller 10 in a moist state by utilizing the water absorption performance of the sponge to prevent the surface of the press roller 10 from oxidizing and crystallizing.

Referring to fig. 1-3, in a preferred embodiment, the rolling mechanism further includes a driving roller 13 and a driving assembly 14 connected to each other, the driving assembly 14 is disposed on the frame 1, the driving roller 13 is mounted on the frame 1, the driving assembly 14 can drive the driving roller 13 to rotate relative to the frame 1, and a gap for conveying the pole pieces is provided between the driving roller 13 and the pressing roller 10. In this embodiment, the pole piece to be rolled is placed between the gap between the driving roller 13 and the pressing roller 10, the driving roller 13 and the pressing roller 10 clamp the pole piece together, then the driving roller 13 is driven to rotate by the driving assembly 14, and the pressing roller 10 is driven to rotate while the driving roller 13 rotates, so that the pole piece is conveyed together.

Referring to fig. 1-3, in a preferred embodiment, the drive assembly 14 includes a drive source (not shown), a driving pulley 141, and a driven pulley 142, which are sequentially connected to each other, wherein the drive source may rotate the driven pulley 142 via the driving pulley 141, and the driven pulley 142 is further connected to the driving roller 13, and the driven pulley 142 may rotate the driving roller 13. The power is firstly transmitted to the driving wheel 141 through the driving source, then the driving wheel 141 transmits the power to the driven wheel 142 and then to the driving roller 13, so that the power speed of the driving source can be further reduced by layer-by-layer transmission, and the driving roller 13 is more uniform in the rotating process and better in stability.

Referring to fig. 1-3, in a preferred embodiment, the rolling mechanism comprises a driving roller 13 and a driving assembly 14, and further comprises a fixing seat 15 arranged on the frame 1, the pressing roller 10 is connected with the frame 1 through the fixing seat 15, the driving assembly 14 can drive the pressing roller 10 to rotate through the driving roller 13, a lifting assembly 16 is further arranged on the fixing seat 15, the pressing roller 10 is connected with the lifting assembly 16, and the lifting assembly 16 can control the pressing roller 10 to be close to or far away from the driving roller 13.

Referring to fig. 1-3, specifically, when the press roller 10 and the driving roller 13 are used for pressing and conveying the pole piece together, the roller surface of the press roller 10 and the roller surface of the driving roller 13 are contacted, so that the base material is clamped, the rotation of the driving roller 13 drives the press roller 10 to rotate, the lifting assembly 16 is mainly used for adjusting the distance between the press roller 10 and the driving roller 13, that is, the pressing state of the pole piece can be adjusted through the lifting assembly 16, further, in the use process, an operator can continuously move the press roller 10 towards the direction of the driving roller 13 by adjusting the lifting assembly 16 until the pole piece is pressed, and can also drive the press roller 10 to be gradually far away from the driving roller 13 until the gap between the press roller 10 and the driving roller 13 is large enough, so that the pole piece can be conveniently taken down.

Referring to fig. 1-3, in the preferred embodiment, the lift assembly 16 includes a slide bar 161 and a lift table 162, the lift assembly 16 includes the slide bar 161 and the lift table 162, the lift table 162 is slidably coupled to the slide bar 161, two ends of the pressure roller 10 are respectively coupled to the lift table 162, and the lift table 162 can control the pressure roller 10 to approach or separate from the drive roller 13. As will be understood with reference to fig. 2, after the pole piece is placed on the driving roll 13, the position of the pressing roll 10 from the driving roll 13 is adjusted by the lifting platform 162 at this time, that is, the pressing roll 10 can be controlled to gradually move towards the direction of the driving roll 13 until the roll surface of the pressing roll 10 abuts against the roll surface of the driving roll 13, so as to press the pole piece for rolling and conveying, and after the work is completed, the pressing roll 10 is controlled to move towards the opposite direction of the driving roll 13 again by the lifting platform 162 until the gap between the pressing roll 10 and the driving roll 13 is enough for taking out the pole piece.

Referring to fig. 1-3, in a preferred embodiment, a support plate 17 is further disposed at one end of the fixing base 15, the support plate 17, the fixing base 15, and the frame 1 are sequentially connected, two ends of the sponge roller 11 are connected to the support plate 17, a damping block 18 is disposed on the support plate 17, and the sponge roller 11 is fixed to the support plate 17 through the damping block 18. In this embodiment, the sponge roller 11 is restricted from rotating along with the press roller 10 by the damping blocks 18 fixed at both sides of the sponge roller 11, so that the roller surface of the press roller 10 to be cleaned can be cleaned more completely. When the sponge roller 11 is detached from the frame 1 after a certain condition is used, the sponge roller 11 is replaced, and then the sponge roller is mounted on the frame 1 to continuously clean the compression roller. In other embodiments, when the resistance generated by cleaning the foreign matter on the surface of the pressing roller 10 by the sponge roller 11 is greater than the resistance provided by the damping block 18 to the sponge roller 11, the sponge roller 11 rotates under the action of the resistance (the amplitude of such rotation is generally smaller), and the cleaning position of the roller surface of the sponge roller 11 is replaced.

Referring to fig. 1-3, in a preferred embodiment, a support plate 17 is further disposed at one end of the fixing seat 15, the sponge roller 11 is rotatably connected to the support plate 17, the roller surface of the sponge roller 11 abuts against the roller surface of the press roller 10, and the rotation of the press roller 10 drives the sponge roller 11 to rotate. In this embodiment, the sponge roller 11 may also rotate along with the press roller 10, so as to clean the roller surface of the press roller 10 in the synchronous rotation process.

Referring to fig. 1 to 3, in a preferred embodiment, a support plate 17 is further provided at one end of the fixing base 15, a fixing block 19 is provided at one side of the support plate 17, the fixing block 19 is protruded outwardly with respect to the support plate 17, the spray assembly 12 includes spray pipes 121, both ends of the spray pipes 121 are respectively fixed to the fixing block 19, and the spray pipes 121 are disposed at one side of the sponge roller 11 at intervals. In this embodiment, water pipe connectors are provided at both ends of the shower pipe 121, and the shower pipe 121 is connected to an external water source through the water pipe connectors, so that the water source is transported to the shower pipe 121.

Referring to fig. 1-3, in a preferred embodiment, the spacing between the shower pipe 121 and the sponge roller 11 is 3-6cm. The distance between the spray pipe 121 and the sponge roller 11 may be 3cm, 4cm, 5cm, or 6cm, if the distance is too short, the surface of the sponge roller 11 is too wet, so that water drops drop on the machine, and damage is caused to the machine, and if the distance is too long, the spray pipe 121 cannot spray the sponge roller 11 well, that is, the wettability of the sponge roller 11 is insufficient, so that the sponge roller 11 cannot wet the roller surface of the press roller 10 well.

Referring to fig. 1 to 3, in a preferred embodiment, a side of the shower pipe 121 facing the sponge roller 11 is provided with a plurality of shower holes 122, and the shower holes 122 are spaced apart from each other. In a further preferred embodiment, the spraying holes 122 can be arranged to form mist water drops sprayed by the spraying holes, so that on one hand, the surface of the sponge roller 11 can be ensured to be wet, and on the other hand, the sprayed water drops cannot be excessively large in molecules so as not to drop on the machine equipment.

While embodiments of the present application have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the application, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the application.

Claims (9)

1. The lithium battery press roll cleaning device is characterized by comprising a frame, a press roll mechanism and a cleaning mechanism, wherein the press roll mechanism and the cleaning mechanism are erected on the frame, the press roll mechanism comprises a press roll, the press roll is connected with the frame, the cleaning mechanism comprises a sponge roll and a spraying assembly which are connected, the spraying assembly is used for spraying the sponge roll, and the roll surface of the sponge roll is abutted against the roll surface of the press roll;

the rolling mechanism comprises a driving roller, a driving assembly and a fixing seat arranged on the frame, the pressing roller is connected with the frame through the fixing seat, a lifting assembly is further arranged on the fixing seat, the pressing roller is connected with the lifting assembly, and the lifting assembly can control the pressing roller to be close to or far away from the driving roller.

2. The roll cleaning apparatus of claim 1, wherein the drive assembly is disposed on the frame, the drive roller is mounted on the frame, the drive assembly is capable of driving the drive roller to rotate relative to the frame, and a gap for conveying the pole piece is provided between the drive roller and the roll.

3. The apparatus of claim 2, wherein the driving assembly includes a driving source, a driving wheel, and a driven wheel, the driving source, the driving wheel, and the driven wheel being sequentially connected, the driving source being capable of driving the driven wheel to rotate through the driving wheel, the driven wheel being further connected to the driving roller, the driven wheel being capable of driving the driving roller to rotate.

4. The pressure roller cleaning apparatus as claimed in claim 1, wherein the lifting assembly includes a slide bar and a lifting table slidably connected to the slide bar, both ends of the pressure roller are connected to the lifting table, respectively, and the lifting table controls the pressure roller to approach or separate from the driving roller.

5. The press roll cleaning device according to claim 1, wherein a supporting plate is further provided at one end of the fixing base, the supporting plate, the fixing base and the frame are sequentially connected, two ends of the sponge roller are connected with the supporting plate, a damping block is provided on the supporting plate, and the sponge roller is fixed with the supporting plate through the damping block.

6. The apparatus of claim 1, wherein a support plate is further provided at one end of the fixing base, the sponge roller is rotatably connected to the support plate, and the sponge roller is driven to rotate when the press roller rotates.

7. The roll cleaning apparatus of claim 1, wherein a support plate is further provided at one end of the fixing base, a fixing block is provided at one side of the support plate, the fixing block is disposed to protrude outwards with respect to the support plate, the spray assembly comprises spray pipes, both ends of the spray pipes are respectively fixed to the fixing block, and the spray pipes are disposed at one side of the sponge roll at intervals.

8. The pressure roll cleaning apparatus of claim 7, wherein a spacing between the shower pipe and the sponge roll is 4-6cm.

9. The pressure roller cleaning device as claimed in claim 7, wherein a side of the shower pipe facing the sponge roller is provided with a plurality of shower holes, and a plurality of shower holes are provided at intervals.