Roller cleaning mechanism

Abstract

The utility model relates to the field of battery pole piece manufacturing, and discloses a roller cleaning mechanism which comprises two mounting plates, a scraper support is arranged between the two mounting plates, one end of the scraper support is provided with a blade gland, and the other end of the scraper support is provided with an angle positioning wheel. A scraper assembly is arranged between the blade gland and the scraper support and comprises a first scraper and a second scraper. When the mounting plate drives the scraper assembly to be pushed out, the angle positioning wheel firstly makes contact with the surface of the roller body, then the angle of the scraper support is automatically adjusted according to the pushing-out distance of the mounting plate till the scraper assembly is attached to the surface of the roller body, and impurity removal work is achieved along with rotation of the roller body. According to the mechanism, through overlapped installation of the first scraper and the second scraper, the problems that an existing mechanism is not thorough in cleaning and the service life of the scrapers is short are solved, the number of times of replacing the scrapers is greatly reduced, and the working efficiency of pole piece manufacturing is improved.

Description

Technical Field

[0001] The utility model relates to the field of battery pole piece manufacturing, in particular to a roller cleaning mechanism. Background Art

[0002] The manufacture of battery pole pieces requires a rolling process, which is usually completed by a roller press. During the rolling process, dust and other particulate impurities will adhere to the surfaces of the upper and lower rollers of the roller press. Dust particles adhering to the surfaces of the rollers will affect the service life of the rollers and the uniformity of the thickness of the pole pieces, so a corresponding cleaning mechanism is required to clean the surfaces of the rollers.

[0003] Common cleaning mechanisms usually use a scraper to contact the roller surface so that impurities on the roller surface can be removed by the scraper when the roller rotates; however, the conventional scraper cleaning mechanism uses a single-edged scraper blade. When used for a long time, the scraper edge rubs against the roller surface, and the wear of the powder falling area will be greater than other positions, causing the edge to become blunt and deformed, increasing the number of times the scraper is replaced and reducing the work efficiency of pole piece manufacturing. Utility Model Content

[0004] The problem to be solved by the utility model is to provide a roller cleaning mechanism. By overlapping the first scraper and the second scraper, the first scraper is used as a main scraper blade and the second scraper is used as an auxiliary scraper blade, so as to double clean the circumferential surface of the roller body. Since the first scraper protrudes from the second scraper, the first scraper has a greater contact force for rough cleaning, and the second scraper has a lighter contact force for fine cleaning, thereby solving the problems of incomplete cleaning and short scraper life of the existing mechanism.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A roller cleaning mechanism, comprising two mounting plates arranged opposite to each other and capable of horizontally moving toward a roller body, a scraper bracket being arranged between the two mounting plates, a blade pressure cover being arranged at one end of the scraper bracket, and an angle positioning wheel being capable of being tangent to the roller body being arranged at the other end;

[0007] A scraper assembly for scraping impurities from the circumferential surface of the roller body is arranged between the blade cover and the scraper support. The scraper assembly includes a first scraper and a second scraper that overlap each other, and the first scraper protrudes from the second scraper.

[0008] Optionally, when one end of the blade cover is abutted against the scraper bracket, a clamping groove for installing the scraper assembly is formed between the other end of the blade cover and the scraper bracket, and a boss for positioning the first scraper is provided on one side of the blade cover located in the clamping groove.

[0009] Optionally, both ends of the scraper bracket are rotatably connected to the corresponding mounting plate via a pin shaft, and the scraper bracket is provided with a locking component for limiting the rotation of the pin shaft inside the scraper bracket, and the outer side of the mounting plate is provided with a limit component for limiting the angle range of rotation of the pin shaft relative to the mounting plate.

[0010] Optionally, the locking assembly includes a slide groove opened on the side of the scraper bracket opposite to the scraper assembly, and a positioning hole is opened at one end of the bottom of the slide groove; a limit screw that can move along the axial direction of the pin shaft is arranged in the slide groove, and one end of the limit screw can be screwed through the positioning hole and abut against the circumferential surface of the pin shaft.

[0011] Optionally, one end of the pin shaft passes through the mounting plate to its outer side, and the limit assembly includes a tool changing limit block and a stop block for limiting the rotation range of the tool changing limit block, the stop block is fixedly mounted on the outer side of the mounting plate, and the tool changing limit block is fixedly mounted on the end of the pin shaft.

[0012] Optionally, a support plate is provided on the outer side of the mounting plate, a telescopic component is mounted on the support plate, and an output end of the telescopic component is connected to the mounting plate.

[0013] Optionally, a dust collecting assembly for collecting impurities scraped from the surface of the roller body is provided below the scraper support.

[0014] Optionally, the dust collecting assembly includes a dust collecting box and a base for supporting the dust collecting box, the base is fixedly mounted on the lower part of the support plate, and both ends of the dust collecting box are respectively placed on the corresponding base.

[0015] Beneficial Effects

[0016] (1) In the utility model, when the mounting plate drives the scraper assembly to be pushed out, the angle positioning wheel first contacts the surface of the roller body, and the scraper bracket then automatically adjusts the angle according to the distance the mounting plate is pushed out until the scraper assembly is attached to the surface of the roller body, and impurities are removed as the roller body rotates. Since the first scraper protrudes from the second scraper, the first scraper has a greater contact force for rough cleaning, and the second scraper has a lighter contact force for fine cleaning. The mechanism solves the problems of incomplete cleaning and short scraper life of the existing mechanism by overlapping the first scraper and the second scraper, greatly reduces the number of scraper replacements, and improves the work efficiency of pole piece manufacturing.

[0017] (2) In the utility model, the locking assembly enables the pin shaft and the scraper bracket to rotate synchronously, and the limiting assembly can limit the rotation angle of the pin shaft relative to the mounting plate. Therefore, the scraper assembly can be replaced by rotating the scraper bracket 180 degrees without disassembling the scraper bracket, thereby greatly improving the blade changing efficiency of the structure.

[0018] (3) In the utility model, the impurities scraped off from the surface of the roller body can be collected by the dust collecting assembly for subsequent unified treatment. At the same time, the scraped impurities can be prevented from falling on the surface of the pole piece, thereby improving the quality of pole piece production. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the utility model;

[0020] Figure 2 It is a schematic diagram of the axonometric structure of the utility model;

[0021] Figure 3 It is a schematic diagram of the position structure of the utility model and the roller body;

[0022] Figure 4 This is a schematic diagram of the structure of the scraper support and the blade cover assembly of the utility model;

[0023] Figure 5 This Figure 4 A local enlarged schematic diagram of the middle A;

[0024] Figure 6 It is a structural schematic diagram of the scraper assembly of the utility model;

[0025] Among them, 1. mounting plate; 2. scraper bracket; 3. blade pressure cover; 31. boss; 4. scraper assembly; 41. first scraper; 42. second scraper; 5. dust collection assembly; 51. base; 52. dust collection box; 53. handle; 6. angle positioning wheel; 7. limit screw; 81. block; 82. tool change limit block; 9. support plate; 10. telescopic assembly; 11. pin shaft; 12. roller body; 13. pole piece. DETAILED DESCRIPTION

[0026] The present invention will now be further described in detail in conjunction with the accompanying drawings and embodiments. These drawings are simplified schematic diagrams that only illustrate the basic structure of the present invention in a schematic manner, and therefore only show the components related to the present invention.

[0027] Embodiment 1

[0028] like Figure 1-Figure 6As shown, a roller cleaning mechanism comprises two mounting plates 1 which are arranged opposite to each other and can move horizontally toward a roller body 12, a scraper bracket 2 is arranged between the two mounting plates 1, a blade pressure cover 3 is installed at one end of the scraper bracket 2, and an angle positioning wheel 6 which can be tangent to the roller body 12 is arranged at the other end; a scraper assembly 4 for scraping impurities on the circumferential surface of the roller body 12 is arranged between the blade pressure cover 3 and the scraper bracket 2, and the scraper assembly 4 comprises a first scraper 41 and a second scraper 42 which overlap each other, and the first scraper 41 protrudes from the second scraper 42.

[0029] As mentioned above, the roller body 12 of the roller press can rotate around its own axis; when the mounting plate 1 drives the scraper assembly 4 to move toward the roller body 12, the angle positioning wheel 6 first contacts the surface of the roller body 12, and the scraper bracket 2 then automatically adjusts the angle according to the distance pushed out by the mounting plate 1 until the blade of the scraper assembly 4 is attached to the surface of the roller body 12, and the impurity removal work is achieved as the roller body 12 rotates.

[0030] The first scraper 41 and the second scraper 42 of the scraper assembly 4 are overlapped and installed between the scraper bracket 2 and the blade cover 3. Since the first scraper 41 protrudes from the second scraper 42, the first scraper 41 has a greater contact force and can perform rough cleaning, while the second scraper 42 has a lighter contact force and can perform fine cleaning; therefore, during the cleaning process, the first scraper 41 is the main scraper blade and the second scraper 42 is the auxiliary scraper blade. Through the coordinated use of the first scraper 41 and the second scraper 42, the problems of incomplete cleaning and short scraper life of the existing mechanism are solved, the number of times the scraper is replaced is greatly reduced, and the work efficiency of the pole piece 13 manufacturing is improved.

[0031] Among them, the cross-sectional shape of the scraper bracket 2 is approximately an L-shaped structure. A groove is opened at one end of the scraper bracket 2 opposite to the blade pressure cover 3. The angle positioning wheel 6 is rotatably installed in the groove. The circumferential surface of the angle positioning wheel 6 protrudes from the scraper bracket 2, so it can be in contact with the roller body 12 in advance; and two angle positioning wheels 6 are provided, which are symmetrically distributed on the scraper bracket 2, so as to maintain the force balance of the scraper bracket 2 when it is in contact.

[0032] Furthermore, a support plate 9 is provided on the outer side of the mounting plate 1 , a telescopic assembly 10 is mounted on the support plate 9 , and an output end of the telescopic assembly 10 is connected to the mounting plate 1 .

[0033] The support plate 9 is connected to the frame of the roller press equipment, so under the support of the support plate 9, the telescopic assembly 10 can drive the mounting plate 1 to move horizontally toward the roller body 12 until the angle positioning wheel 6 and the blade of the scraper assembly 4 are in contact with the outer circumferential surface of the roller body 12. The telescopic assembly 10 preferably uses an existing cylinder, and the cylinder has an extension limit mechanism, through which the extension limit mechanism can control the extension length of the output end of the telescopic assembly 10, thereby realizing the adjustment of the contact force between the scraper assembly 4 and the roller body 12.

[0034] In addition, the blade cover 3 is fixed to the scraper bracket 2 by screws. When one end of the blade cover 3 is abutted against the scraper bracket 2, a clamping groove for installing the scraper assembly 4 is formed between the other end of the blade cover 3 and the scraper bracket 2, and a boss 31 for positioning the first scraper 41 is provided on one side of the blade cover 3 located in the clamping groove.

[0035] When installing the scraper assembly 4, first fix the blade cover 3 on the scraper bracket 2 preliminarily to form a clamping groove between the two, then embed the backs of the first scraper 41 and the second scraper 42 into the clamping groove at the same time, and the two are in an overlapping state, and then continue to tighten the screws so that the blade cover 3 firmly fixes the first scraper 41 and the second scraper 42 on the scraper bracket 2.

[0036] Among them, the back of the first scraper 41 abuts against the side of the boss 31, and the back of the second scraper 42 abuts against the bottom of the clamping groove. The first scraper 41 and the second scraper 42 have the same size structure. Due to the existence of the boss 31, the blade of the first scraper 41 will protrude from the blade of the second scraper 42, and then the circumferential surface of the roller body 12 is cleaned through the double structure, thereby solving the problems of incomplete cleaning and short scraper life of the existing mechanism.

[0037] Embodiment 2

[0038] like Figure 2 , Figure 3 As shown, the roller press usually has two roller bodies 12, which are distributed in an upper and lower structure with opposite rotation directions so that the pole piece 13 can pass through the two to be rolled; and in order to ensure the rolling quality of the pole piece 13, both roller bodies 12 need to be cleaned, so each roller body 12 corresponds to a roller cleaning mechanism.

[0039] Limited by the rotation direction of the roller body 12, the blade cover 3 in the upper roller cleaning mechanism is above the scraper bracket 2, and the blade cover 3 in the lower roller cleaning mechanism is below the scraper bracket 2; therefore, when replacing the scraper assembly 4 of the lower roller cleaning mechanism, the scraper bracket 2 must be removed before replacement. If it is found that the newly replaced blade edge is not flush with the roller surface, the scraper position must be removed and adjusted again. The process is cumbersome and greatly reduces the efficiency of blade change.

[0040] In order to solve the above-mentioned drawbacks, on the basis of embodiment one, both ends of the scraper bracket 2 are rotatably connected with the corresponding mounting plate 1 through a pin shaft 11, and one end of the pin shaft 11 passes through the mounting plate 1 to its outside; and a locking component for limiting the rotation of the pin shaft 11 inside the scraper bracket 2 is provided on the scraper bracket 2, and a limiting component for limiting the angle range of rotation of the pin shaft 11 relative to the mounting plate 1 is provided on the outside of the mounting plate 1.

[0041] In order to ensure the flexibility of the scraper bracket 2 to rotate relative to the mounting plate 1, both ends of the pin shaft 11 can rotate relative to the mounting plate 1 and the scraper bracket 2; when changing the blade, firstly, one end of the pin shaft 11 and the scraper bracket 2 are fixedly connected together through the locking assembly, and then the rotation angle range of the other end of the pin shaft 11 is limited by the limit assembly, that is, the rotation range of the scraper bracket 2 can be limited by the limit assembly.

[0042] Through the above structure, when changing the blade, it is only necessary to flip the scraper bracket 2 180 degrees to flip the downward blade cover 3 to the top, and then change the blade; through this structure, the scraper assembly 4 can be replaced without disassembling the scraper bracket 2, which greatly improves the blade changing efficiency of the structure.

[0043] As mentioned above, the locking assembly includes a slide groove opened on the side of the scraper bracket 2 opposite to the scraper assembly 4, and a positioning hole is opened at one end of the bottom of the slide groove; a limit screw 7 that can move along the axial direction of the pin shaft 11 is arranged in the slide groove, and one end of the limit screw 7 can be screwed through the positioning hole and abut against the circumferential surface of the pin shaft 11.

[0044] The length direction of the slide groove is parallel to the axial direction of the pin shaft 11. One end of the limit screw 7 can be screwed into the slide groove. When the tool needs to be changed, the limit screw 7 can be loosened to move it along the length direction of the slide groove to the positioning hole, and then the limit screw 7 can be tightened to make one end of it pass through the positioning hole and rest on the pin shaft 11, thereby realizing the fixed connection between this end of the pin shaft 11 and the scraper bracket 2.

[0045] As mentioned above, the limit assembly includes a tool change limit block 82 and a stopper 81 for limiting the rotation range of the tool change limit block 82, the stopper 81 is fixedly mounted on the outside of the mounting plate 1, and the tool change limit block 82 is fixedly mounted on the end of the pin shaft 11. When one end of the pin shaft 11 is fixedly connected to the scraper bracket 2 under the action of the locking assembly, the pin shaft 11, the tool change limit block 82 and the scraper bracket 2 can rotate synchronously, and the stopper 81 arranged on the outside of the mounting plate 1 is located on the rotation path of the end of the tool change limit block 82, which can limit the rotation angle of the tool change limit block 82, thereby realizing the rotation angle range of the pin shaft 11.

[0046] Embodiment 3

[0047] like Figure 1-Figure 3As shown, on the basis of the first and second embodiments, a dust collecting assembly 5 for collecting impurities scraped from the surface of the roller body 12 is provided below the scraper bracket 2. The dust collecting assembly 5 can be collected in the form of a material box, or the scraped impurities can be sucked out by negative pressure.

[0048] As mentioned above, the dust collecting assembly 5 includes a dust collecting box 52 and a base 51 for supporting the dust collecting box 52. The base 51 is fixedly mounted on the lower part of the support plate 9, and both ends of the dust collecting box 52 are respectively placed on the corresponding bases 51. The scraped dust particles can be collected by the dust collecting box 52. A handle 53 is also provided on one side of the dust collecting box 52 to facilitate the taking and placing of the dust collecting box 52. In addition, the dust collecting assembly 5 can also prevent the scraped impurities from falling on the surface of the pole piece 13, thereby improving the production quality of the pole piece 13.

[0049] Working principle:

[0050] When the equipment is working, the output end of the telescopic component 10 extends out, so that the scraper mouth of the scraper component 4 is attached to the roller body 12, and the scraper contact force is adjusted by the extension limit mechanism of the telescopic component 10; when the scraper component 4 is extended, the angle positioning wheel 6 first contacts the roller body 12, and the scraper bracket 2 will automatically adjust the angle according to the extended distance until the scraper component 4 is attached to the roller body 12; the scraped dust particles can be collected by the dust collecting component 5, and the dust collecting component 5 can be collected in the form of a material box or can be sucked out by negative pressure; when changing the blade, the output end of the telescopic component 10 is controlled to retract, and the limit screws 7 on the left and right sides are loosened and slid inward to the positioning hole, and then the pin shaft 11 and the scraper bracket 2 are locked by the limit screws 7, and then the scraper bracket 2 is manually rotated, and the scraper bracket 2 will be limited within a range of 180 degrees by the tool change limit block 82, so that the blade cover 3 faces upward, and finally the blade cover 3 is loosened to replace the blade.

[0051] To sum up, the mechanism can solve the problems of incomplete cleaning and short scraper life of the existing mechanism through the overlapping installation of the first scraper 41 and the second scraper 42, greatly reduces the number of scraper replacements, improves the work efficiency of the pole piece 13 manufacturing, and the mechanism can complete the rapid replacement of the blade without disassembling the scraper bracket 2.

[0052] The above is based on the ideal embodiment of the utility model. Through the above description, relevant personnel can make various changes and modifications without deviating from the technical concept of the utility model. The technical scope of this utility model is not limited to the content in the specification, and the technical scope must be determined according to the scope of the claims.

Claims

1. A roller cleaning mechanism, characterized in that: It comprises two mounting plates (1) arranged opposite to each other and capable of horizontally moving toward a roller body (12); a scraper support (2) is arranged between the two mounting plates (1); a blade pressure cover (3) is installed at one end of the scraper support (2); and an angle positioning wheel (6) capable of being tangent to the roller body (12) is arranged at the other end; A scraper assembly (4) for scraping impurities off the circumferential surface of the roller body (12) is arranged between the blade pressure cover (3) and the scraper support (2); the scraper assembly (4) comprises a first scraper (41) and a second scraper (42) which overlap each other, and the first scraper (41) protrudes from the second scraper (42).

2. The roller cleaning mechanism according to claim 1, characterized in that: When one end of the blade pressure cover (3) is abutted against the scraper support (2), a clamping groove for mounting the scraper assembly (4) is formed between the other end of the blade pressure cover (3) and the scraper support (2), and a boss (31) for positioning the first scraper (41) is provided on one side of the blade pressure cover (3) located in the clamping groove.

3. The roller cleaning mechanism according to claim 1, characterized in that: Both ends of the scraper bracket (2) are rotatably connected to the corresponding mounting plate (1) via a pin shaft (11), and a locking component for limiting the rotation of the pin shaft (11) inside the scraper bracket (2) is provided on the scraper bracket (2), and a limit component for limiting the angular range of rotation of the pin shaft (11) relative to the mounting plate (1) is provided on the outer side of the mounting plate (1).

4. The roller cleaning mechanism according to claim 3, characterized in that: The locking assembly comprises a slide groove formed on a side of the scraper bracket (2) opposite to the scraper assembly (4), and a positioning hole is formed at one end of the bottom of the slide groove; a limit screw (7) capable of moving along the axial direction of the pin shaft (11) is provided in the slide groove, and one end of the limit screw (7) can be screwed through the positioning hole and abut against the circumferential surface of the pin shaft (11).

5. The roller cleaning mechanism according to claim 4, characterized in that: One end of the pin shaft (11) passes through the mounting plate (1) to the outside thereof, and the limiting assembly comprises a tool changing limiting block (82) and a stopper (81) for limiting the rotation range of the tool changing limiting block (82), wherein the stopper (81) is fixedly mounted on the outside of the mounting plate (1), and the tool changing limiting block (82) is fixedly mounted on the end of the pin shaft (11).

6. The roller cleaning mechanism according to claim 1, characterized in that: A support plate (9) is arranged on the outer side of the mounting plate (1), a telescopic assembly (10) is mounted on the support plate (9), and an output end of the telescopic assembly (10) is connected to the mounting plate (1).

7. The roller cleaning mechanism according to claim 6, characterized in that: A dust collecting assembly (5) for collecting impurities scraped off the surface of the roller body (12) is provided below the scraper support (2).

8. The roller cleaning mechanism according to claim 7, characterized in that: The dust collecting assembly (5) comprises a dust collecting box (52) and a base (51) for supporting the dust collecting box (52); the base (51) is fixedly mounted on the lower part of the support plate (9), and the two ends of the dust collecting box (52) are respectively placed on the corresponding base (51).

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