Powder scraping mechanism for roller press

Abstract

The utility model relates to the technical field of rolling equipment, in particular to a powder scraping mechanism for a roller press, which comprises a roller wheel and a support plate which are arranged on the roller press, a fixed seat is arranged on the support plate, a mounting plate capable of swinging towards or away from the roller wheel is arranged on the fixed seat, and the roller wheel is arranged on the mounting plate. A scraper used for scraping powdery particles on the surface of the roller is mounted at the swing end of the mounting plate; a containing table arranged below the scraper is arranged on the supporting plate, and a collecting frame used for collecting scraped powdery particles is placed on the containing table. According to the roller press, the powdery particles scraped from the surface of the roller directly fall into the collecting frame to be collected, after a certain amount of powdery particles are collected, the collecting frame can be taken down from the containing table, the powdery particles are recycled, the powdery particles are prevented from being scattered on the roller press, and the cleaning cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of roller pressing equipment, in particular to a powder scraping mechanism for a roller pressing machine. Background Art

[0002] The battery pole piece is a copper foil (or aluminum foil) coated with electrical slurry particles on both sides. In the manufacturing process, rolling is one of the key processes. The lithium battery pole piece strip is rolled after the coating and drying processes. Among them, rolling refers to the process of compacting the lithium battery pole piece that has been coated and dried to a certain degree through two steel rollers under a certain gap and a certain pressure.

[0003] The existing roller press is mainly composed of a frame, a roller, a main drive and other parts. When the roller press is rolling the lithium battery pole piece, powder particles will stick to the roller, as described below:

[0004] A Chinese patent document with publication number CN208407788U discloses a powder cleaning device for a roller press, specifically disclosing: it includes an upper roller and a lower roller for rolling electrode sheets, and a scraper mechanism, one side of the upper roller and the lower roller is provided with a powder cleaning device, the powder cleaning device includes a fixed frame and a powder removal base body with a wiping cloth detachably fixed on the wiping surface, the two ends of the powder removal base body are rotatably connected to the fixed frame one by a rotating shaft, and the fixed frame one is also provided with a driving member one that can drive the powder removal base body to swing upward around the rotating shaft so that the wiping surface of the powder removal base body is in contact with the corresponding upper roller or lower roller.

[0005] As can be seen from the above, the powder cleaning device uses a driving member to make the wiping surface contact with the corresponding upper roller or lower roller to achieve the powder removal effect. After wiping to a certain state, the wiping cloth is replaced and wiping is continued, so as to achieve the purpose of removing the powder on the roller when different products are rolled or when the roller has too much material. However, the existing powder cleaning device does not collect and process the removed powder particles. During the powder removal process, the powder particles will fall on the powder cleaning device, which is not convenient for cleaning. Therefore, a powder scraping mechanism for a roller press is provided to solve the above technical problems. Utility Model Content

[0006] The utility model aims to provide a powder scraping mechanism for a roller press in view of the deficiencies of the prior art, so as to solve the technical problem that the prior powder cleaning device fails to collect and process the removed powdery particles.

[0007] To achieve the above purpose, the technical solution of the utility model is as follows:

[0008] A powder scraping mechanism for a roller press comprises a roller and a support plate mounted on the roller press, a fixed seat being mounted on the support plate, a mounting plate being swung toward or away from the roller, a scraper for scraping off powder particles on the surface of the roller being mounted on the swinging end of the mounting plate; a placing table disposed below the scraper being mounted on the support plate, and a collecting frame for collecting the scraped powder particles being placed on the placing table.

[0009] Furthermore, a rotating shaft whose axial direction is parallel to the axial direction of the roller is rotatably provided on the fixed seat, and one end of the mounting plate away from the scraper is fixedly arranged on the rotating shaft.

[0010] Furthermore, a mounting block is provided on the fixed seat, and a first cylinder with a telescopic rod horizontally arranged and facing the mounting plate is installed on the mounting block, a wedge block is fixedly provided on the mounting plate, a bevel is formed on the wedge block, a fixed block is provided at the end of the telescopic rod of the first cylinder, and a roller is rotatably provided on the fixed block to cooperate with the bevel on the wedge block to push the mounting plate to swing.

[0011] Furthermore, a connecting block is fixedly provided at the end of the rotating shaft, and a torsion spring is also wound around the end of the rotating shaft. One end of the torsion spring is fixed to the connecting block, and the other end is fixed to the fixing seat.

[0012] Furthermore, the scraper is a plastic blade.

[0013] Furthermore, the placement table is horizontally slidably arranged on the support plate.

[0014] Furthermore, a slide groove is formed on the support plate, a horizontally arranged guide rod is fixed in the slide groove, and a sliding frame is slidably provided on the guide rod, and the placement table is installed on the sliding frame; a horizontally arranged second cylinder is installed on the support plate, and the end of the telescopic rod of the second cylinder is fixed to the sliding frame.

[0015] The beneficial effects of the utility model are as follows: when powder scraping is required, the mounting plate swings to make the scraper contact with the surface of the roller, and after the contact, the blade of the scraper is tangent to the surface of the roller, and then the roller is driven to rotate clockwise, and the surface of the roller can be scraped with powder by the scraper; when powder scraping is not required, the mounting plate is controlled to swing to drive the scraper to separate from the surface of the roller, preventing the blade of the scraper from rubbing against the surface of the roller for a long time, thereby preventing damage to the blade of the scraper, and increasing the service life of the scraper.

[0016] In addition, the powder particles scraped from the roller surface will fall directly into the collection frame for collection. After a certain amount of powder particles are collected, the collection frame can be removed from the placement table to recycle the powder particles and place them on the roller press to reduce cleaning costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1It is a three-dimensional structural schematic diagram of the utility model.

[0018] Figure 2 It is a partial structural schematic diagram of the utility model.

[0019] Figure 3 It is a partial structural schematic diagram of another viewing angle of the utility model.

[0020] Figure 4 It is a structural schematic diagram of the torsion spring and the rotating shaft of the utility model.

[0021] Figure 5 It is a plan view of the utility model.

[0022] Reference numerals include:

[0023] 1. Roller; 2. Support plate; 3. Fixed seat; 4. Rotating shaft; 5. Mounting plate; 6. Scraper; 7. Torsion spring; 8. Connecting block; 9. Mounting block; 10. First cylinder; 11. Fixed block; 12. Roller; 13. Wedge block; 14. Bevel; 15. Slide; 16. Guide rod; 17. Sliding rack; 18. Placement table; 19. Collection frame; 20. Second cylinder. DETAILED DESCRIPTION

[0024] The following is a detailed description of a powder scraping mechanism for a roller press according to the utility model in conjunction with the accompanying drawings.

[0025] like Figure 1-2 As shown, an embodiment of a powder scraping mechanism for a roller press of the utility model includes a roller 1 and a support plate 2 installed on the roller press. At least a pair of rollers 1 are installed on the roller press. By driving the pair of rollers 1 to rotate relative to each other, the pole piece of the lithium battery is subjected to roller pressing. In order to scrape off the powder particles on the surface of the roller 1, a fixed seat 3 is installed on the support plate 2. A mounting plate 5 that can swing toward or away from the roller 1 is provided on the fixed seat 3. A scraper 6 for scraping off the powder particles on the surface of the roller 1 is installed on the swinging end of the mounting plate 5. The scraper 6 can be a plastic blade. By controlling the mounting plate 5 to swing on the fixed seat 3, the scraper 6 can be in contact with or not in contact with the surface of the roller 1. When the powder scraping treatment is required, the mounting plate 5 swings so that the scraper 6 contacts the surface of the roller 1. After the contact, the blade of the scraper 6 is tangent to the surface of the roller 1, and then the roller 1 is driven to rotate clockwise (the rotation direction is Figure 2 As a reference), the surface of the roller 1 can be scraped with powder by the scraper 6; when it is not necessary to scrape the powder, the mounting plate 5 is controlled to swing to drive the scraper 6 to separate from the surface of the roller 1, so as to prevent the blade of the scraper 6 from rubbing against the surface of the roller 1 for a long time, thereby causing damage to the blade of the scraper 6 and improving the service life of the scraper 6.

[0026] Furthermore, a rotating shaft 4 whose axial direction is parallel to the axial direction of the roller 1 is rotatably provided on the fixed seat 3, and one end of the mounting plate 5 away from the scraper 6 is fixedly provided with the rotating shaft 4. Under the action of the rotating shaft 4, the mounting plate 5 can swing around the central axis of the rotating shaft 4 on the fixed seat 3, thereby moving the scraper 6 in the direction of approaching or moving away from the roller 1. In order to control the automatic swinging of the mounting plate 5 on the fixed seat 3, a mounting block 9 is also provided on the fixed seat 3, and a first cylinder 10 with a telescopic rod arranged horizontally and facing the mounting plate 5 is installed on the mounting block 9. In addition, a wedge block 13 is fixedly provided on the mounting plate 5, and a bevel 14 is formed on the wedge block 13. A fixed block 11 is provided at the end of the telescopic rod of the first cylinder 10, and a roller 12 is rotatably provided on the fixed block 11 to cooperate with the bevel 14 on the wedge block 13 to push the mounting plate 5 to swing. When it is necessary to control the mounting plate 5 to swing so that the scraper 6 contacts the surface of the roller 1, the first cylinder 10 is operated, and the fixed block 11 drives the roller 12 to move horizontally. During the movement, the roller 12 contacts the bevel 14 on the wedge block 13, and then rolls on the bevel 14. Under the cooperation of the bevel 14 and the roller 12, the mounting plate 5 is pushed to swing toward the roller 1, so that the scraper 6 contacts the surface of the roller 1, thereby performing the powder scraping process. When the first cylinder 10 drives the roller 12 to reset, in order to automatically detach the scraper 6 from the surface of the roller 1, as shown in FIG. Figure 4 As shown, a connecting block 8 is fixedly provided at the end of the rotating shaft 4, and a torsion spring 7 is also wound around the end thereof, one end of the torsion spring 7 is fixed to the connecting block 8, and the other end is fixed to the fixing seat 3; when force is applied to the mounting plate 5 to make it swing toward the direction close to the roller 1, the torsion spring 7 is compressed, and when the force on the mounting plate 5 is stopped, under the action of the compressed torsion spring 7, the mounting plate 5 is automatically reset in the direction away from the roller 1.

[0027] like Figure 3-5 As shown, in order to collect the powder particles scraped from the roller 1, a placement table 18 is installed on the support plate 2 and is placed under the scraper 6, and a collection frame 19 for collecting the scraped powder particles is placed on the placement table 18; the mounting plate 5 is controlled to swing so that the scraper 6 contacts the surface of the roller 1, and the roller 1 rotates clockwise to perform powder scraping processing, and the powder particles scraped from the surface of the roller 1 will directly fall into the collecting frame 19 for collection. After a certain amount of powder particles are collected, the collecting frame 19 can be removed from the placement table 18 to recycle the powder particles.

[0028] Preferably, in order to facilitate the taking of the collection frame 19 placed on the placement table 18, the placement table 18 is horizontally slidably arranged on the support plate 2; specifically, a slide groove 15 is formed on the support plate 2, a horizontally arranged guide rod 16 is fixedly arranged in the slide groove 15, and a sliding frame 17 is slidably arranged on the guide rod 16, and the placement table 18 is installed on the sliding frame 17, and the sliding frame 17 slides horizontally on the guide rod 16, so that the placement table 18 and the collection frame 19 are horizontally moved on the support plate 2, and when it moves to the bottom of the deviated scraper 6, the collection frame 19 can be removed from the placement table 18, further improving the convenience of recovering powdery particles. In addition, a horizontally arranged second cylinder 20 is installed on the support plate 2, and the end of the telescopic rod of the second cylinder 20 is fixedly arranged with the sliding frame 17, and the sliding frame 17 can be pushed to slide on the guide rod 16 by running the second cylinder 20, so as to realize automatic control of the position of the collection frame 19.

[0029] In summary, it can be seen that the utility model has the above-mentioned excellent characteristics, which can enhance the performance unprecedented in the prior art and become a product with great practical value.

[0030] The above contents are only preferred embodiments of the present invention. For ordinary technicians in this field, according to the concept of the present invention, there will be changes in the specific implementation methods and application scopes. The contents of this specification should not be understood as limiting the present invention.

Claims

1. A powder scraping mechanism for a roller press, comprising a roller (1) and a support plate (2) mounted on the roller press, characterized in that: A fixing seat (3) is mounted on the support plate (2); a mounting plate (5) that can swing toward or away from the roller (1) is mounted on the fixing seat (3); a scraper (6) for scraping off powdery particles on the surface of the roller (1) is mounted on the swinging end of the mounting plate (5); a placement table (18) disposed below the scraper (6) is mounted on the support plate (2); and a collection frame (19) for collecting the scraped powdery particles is placed on the placement table (18).

2. The powder scraping mechanism for a roller press according to claim 1, characterized in that: A rotating shaft (4) whose axial direction is parallel to the axial direction of the roller (1) is rotatably provided on the fixed seat (3); and one end of the mounting plate (5) away from the scraper (6) is fixedly arranged on the rotating shaft (4).

3. The powder scraping mechanism for a roller press according to claim 2, characterized in that: A mounting block (9) is provided on the fixing seat (3), and a first cylinder (10) is installed on the mounting block (9) with a telescopic rod arranged horizontally and facing the mounting plate (5), a wedge block (13) is fixedly provided on the mounting plate (5), and a bevel (14) is formed on the wedge block (13), and a fixing block (11) is provided at the end of the telescopic rod of the first cylinder (10), and a roller (12) is rotatably provided on the fixing block (11) and cooperates with the bevel (14) on the wedge block (13) to push the mounting plate (5) to swing.

4. The powder scraping mechanism for a roller press according to claim 3, characterized in that: A connecting block (8) is fixedly provided at the end of the rotating shaft (4), and a torsion spring (7) is wound around the end of the rotating shaft (4). One end of the torsion spring (7) is fixed to the connecting block (8), and the other end is fixed to the fixing seat (3).

5. The powder scraping mechanism for a roller press according to claim 1, characterized in that: The scraper (6) is a plastic blade.

6. The powder scraping mechanism for a roller press according to claim 1, characterized in that: The placement table (18) is horizontally slidably arranged on the support plate (2).

7. The powder scraping mechanism for a roller press according to claim 6, characterized in that: A slide groove (15) is formed on the support plate (2), a horizontally arranged guide rod (16) is fixedly arranged in the slide groove (15), a sliding frame (17) is slidably arranged on the guide rod (16), and a placement table (18) is installed on the sliding frame (17); a horizontally arranged second cylinder (20) is installed on the support plate (2), and the end of the telescopic rod of the second cylinder (20) is fixedly arranged on the sliding frame (17).

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