Roller coater with three-roller type coating head structure

Abstract

The utility model discloses a roller coater with a three-roller type coating head structure, and belongs to the field of metallurgical coating equipment. The material taking roller assembly is located on the upper layer of one side of the coating roller assembly, and the metering roller assembly is located on the upper layer of one side of the material taking roller assembly. Linear guide rails are mounted above and below bearing seats of the coating roller assembly body, the material taking roller assembly body and the metering roller assembly body, the linear guide rails are in sliding fit with sliding blocks on the machine base, and the fine adjustment mechanism controls the linear guide rails to move along the sliding blocks so as to adjust the positions of all rollers on the machine base; a protection plate is arranged on the inner side of each bearing gland, and a scraper mechanism is arranged on the metering roller assembly body. The coating machine is stable in structure, and the fine adjustment mechanism of each roller can adjust the pressure between the rollers by using a servo motor, so that the coating precision and uniformity are ensured; a scraper mechanism on the metering roller can control the thickness of a coating on the silicon steel thin strip, so that the thickness and the uniformity of the coating can be better controlled; the coating liquid splashing in the working process can be isolated, the coating liquid is effectively prevented from flowing to the linear guide rail, and the overall precision of the linear guide rail is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of metallurgical coating equipment, in particular to a roller coating machine with a three-roller coating head structure. Background Art

[0002] With the dual drive of new energy and energy efficiency upgrade, the high-end upgrade trend and demand space of silicon steel materials have gradually opened up. In recent years, domestic silicon steel has entered a new project boom, and the demand for roller coating machines for silicon steel thin strips has also increased accordingly. Some traditional two-roller roller coating machines have appeared on the market, which adopt the mode of coating liquid spraying and two-roller squeezing. It only requires that the coating liquid can be applied to the plate and strip, mainly low-grade, low-quality, and thicker silicon steel. The coating of high-grade and high-quality silicon steel thin strips still uses a three-roller new structure roller coating machine to ensure the coating quality of the plate and strip, but in the metallurgical industry, silicon steel thin strip roller coating equipment is still mostly imported. The existing domestic roller coating machines have the following shortcomings:

[0003] 1. The coating thickness, uniformity and precision of the plate and strip cannot meet the requirements, and the yield rate is low;

[0004] 2. The problem of coating liquid splashing during the coating process cannot be effectively solved. After the coating liquid agglomerates on the guide rail or other precision parts, it will lead to loss of overall accuracy;

[0005] 3. There are fewer pressure control methods during the coating process and the coating quality is poor. Summary of the invention

[0006] In order to overcome the shortcomings of the prior art, the invention object of the utility model is to provide a roller coating machine with a three-roller coating head structure to meet the coating requirements of silicon steel thin strips.

[0007] To achieve the above-mentioned purpose of the invention, the roller coater of the utility model is composed of a coating roller assembly, a feed roller assembly and a metering roller assembly, the feed roller assembly is located at the upper layer on one side of the coating roller assembly, and the metering roller assembly is located at the upper layer on one side of the feed roller assembly; linear guides are installed on the upper and lower sides of the bearing seats of the coating roller assembly, the feed roller assembly and the metering roller assembly, and the linear guides are slidably matched with the slider on the machine base, and the fine-tuning mechanism controls the linear guides to move along the slider to adjust the positions of the coating roller assembly, the feed roller assembly and the metering roller assembly on the machine base.

[0008] Furthermore, the coating roller assembly is composed of a coating roller fine-tuning mechanism, a coating roller bearing seat, a coating roller bearing pressure cover and a coating roller, and the two sides of the coating roller are symmetrically arranged as a transmission side and an operating side; the two end shaft heads of the coating roller are installed at one end of the coating roller bearing seat and are tightened by the coating roller bearing pressure cover, and coating roller linear guides are installed on the upper and lower sides of the coating roller bearing seat, and the coating roller linear guides are slidably matched with the coating roller slider installed on the machine base, and the other end of the coating roller bearing seat is equipped with a coating roller pressure sensor and a coating roller fine-tuning mechanism, and the coating roller fine-tuning screw of the coating roller fine-tuning mechanism is connected to the output shaft of the coating roller fine-tuning servo motor through a coupling, and the coating roller fine-tuning screw is threadedly connected to the coating roller bearing seat.

[0009] Furthermore, the feeding roller assembly is composed of a feeding roller fine-tuning mechanism, a feeding roller bearing seat, a feeding roller bearing pressure cover and a feeding roller, and the two sides of the feeding roller are symmetrically arranged transmission side and operation side; the two end shaft heads of the feeding roller are installed at one end of the feeding roller bearing seat and are tightened by the feeding roller bearing pressure cover, and the feeding roller linear guide rails are installed on the upper and lower sides of the feeding roller bearing seat, and the feeding roller linear guide rails are slidably matched with the feeding roller slider installed on the machine base, and the other end of the feeding roller bearing seat is equipped with a feeding roller pressure sensor and a feeding roller fine-tuning mechanism, and the feeding roller fine-tuning screw of the feeding roller fine-tuning mechanism is connected to the output shaft of the feeding roller fine-tuning servo motor through a coupling, and the feeding roller fine-tuning screw is threadedly connected to the feeding roller bearing seat.

[0010] Furthermore, the metering roller assembly is composed of a metering roller fine-tuning mechanism, a metering roller bearing seat, a metering roller bearing pressure cover and a metering roller. The two sides of the metering roller are a transmission side and an operating side that are symmetrically arranged; the two end shaft heads of the metering roller are installed on one end of the metering roller bearing seat and are tightened using the metering roller bearing pressure cover; metering roller linear guides are installed on the upper and lower sides of the metering roller bearing seat; the metering roller linear guides are slidably matched with the metering roller slider installed on the machine base; the other end of the metering roller bearing seat is equipped with a metering roller pressure sensor and a metering roller fine-tuning mechanism; the metering roller fine-tuning screw of the metering roller fine-tuning mechanism is connected to the output shaft of the metering roller fine-tuning servo motor through a coupling; the metering roller fine-tuning screw is threadedly connected to the metering roller bearing seat.

[0011] Furthermore, the inner sides of the coating roller bearing pressure cover, the feed roller bearing pressure cover and the metering roller bearing pressure cover are respectively provided with a coating roller protection plate, a feed roller protection plate and a metering roller protection plate for isolating splashing coating liquid during the working process.

[0012] Furthermore, a scraper mechanism is provided on the metering roller assembly, and the scraper mechanism consists of a scraper mounting seat, a scraper rotating shaft, a scraper upper pressure plate, a scraper lower pressure plate, a scraper blade, and a scraper rotating shaft fixing seat; the scraper mounting seat is installed on the metering roller bearing seats at both ends of the metering roller, the scraper rotating shaft fixing seat is fixed to the scraper mounting seat by screws, the scraper rotating shaft is installed in the pin hole of the scraper rotating shaft fixing seat, and the scraper rotating shaft fixing seat is provided with an opening, and the adjusted scraper rotating shaft is locked in the pin hole of the scraper rotating shaft fixing seat by screws; the scraper upper pressure plate is connected to the scraper rotating shaft, the scraper lower pressure plate is bolted to the scraper upper pressure plate, the scraper blade is pressed between the scraper upper pressure plate and the scraper lower pressure plate, the angle between the scraper blade and the tangent of the metering roller is 25 degrees, and the gap between the scraper blade and the metering roller is 0.3-0.7mm.

[0013] Compared with the prior art, the utility model has the following advantages:

[0014] 1. The coating roller, feeding roller and metering roller are equipped with fine-tuning mechanisms. The servo motor can be used to adjust the pressure between the rollers. The pressure is adjustable and controllable, ensuring the accuracy and uniformity of the coating.

[0015] 2. Each bearing seat and each bearing seat gland are made of 80mm thick steel plate to ensure the stability of the roller coating machine structure.

[0016] 3. A scraper mechanism is installed on the metering roller, which can control the material thickness of the feeding roller, thereby controlling the coating thickness on the silicon steel strip, so that the coating thickness and uniformity can be better controlled.

[0017] 4. A protective plate is installed on the inner side of each bearing seat, which can isolate most of the coating liquid splashed during the working process and effectively prevent the splashed coating liquid from flowing onto the linear guide rail to ensure the overall accuracy of the linear guide rail. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model.

[0019] Figure 2 yes Figure 1 Top view of the .

[0020] Figure 3 yes Figure 2 Schematic diagram of the scraper mechanism structure.

[0021] In the figure: 1. coating roller assembly; 2. pick-up roller assembly; 3. metering roller assembly; 4. coating roller fine-tuning mechanism; 5. coating roller bearing seat; 6. coating roller bearing cover; 7. coating roller; 8. coating roller pressure sensor; 9. pick-up roller fine-tuning mechanism; 10. pick-up roller bearing seat; 11. pick-up roller bearing cover; 12. pick-up roller; 13. pick-up roller pressure sensor; 14. metering roller fine-tuning mechanism; 15. metering roller bearing seat; 16. metering roller bearing cover; 17. metering roller; 18. metering roller pressure sensor; 19. coating roller linear guide; 20. coating roller slider; 21. coating roller Fine-tuning screw; 22. Fine-tuning servo motor for coating roller; 23. Linear guide for pick-up roller; 24. Sliding block for pick-up roller; 25. Fine-tuning screw for pick-up roller; 26. Fine-tuning servo motor for pick-up roller; 27. Linear guide for metering roller; 28. Sliding block for metering roller; 29. ​​Fine-tuning screw for metering roller; 30. Protective plate for coating roller; 31. Protective plate for pick-up roller; 32. Protective plate for metering roller; 33. Fine-tuning servo motor for metering roller; 34. Scraper mounting seat; 35. Scraper shaft; 36. Upper pressure plate for scraper; 37. Lower pressure plate for scraper; 38. Scraper blade; 39. Scraper mechanism; 40. Scraper shaft fixing seat; 41. Opening. DETAILED DESCRIPTION

[0022] like Figure 1 , Figure 2 , Figure 3 As shown, the roller coating machine of the utility model mainly consists of a coating roller assembly 1, a pick-up roller assembly 2 and a metering roller assembly 3. The pick-up roller assembly 2 is located on the upper layer of one side of the coating roller assembly 1, and the metering roller assembly 3 is located on the upper layer of one side of the pick-up roller assembly 2. Linear guides are installed on the upper and lower sides of the bearing seats of the coating roller assembly 1, the pick-up roller assembly 2 and the metering roller assembly 3. The linear guides are slidably matched with the slider on the machine base. The fine-tuning mechanism controls the linear guides to move along the slider to adjust the positions of the coating roller assembly 1, the pick-up roller assembly 2 and the metering roller assembly 3 on the machine base.

[0023] The coating roller assembly 1 is mainly composed of a coating roller fine-tuning mechanism 4, a coating roller bearing seat 5, a coating roller bearing pressure cover 6 and a coating roller 7. The two sides of the coating roller 7 are symmetrically arranged transmission side and operation side. The coating roller bearing seat 5 and the coating roller bearing pressure cover 6 are made of 80mm thick steel plate to ensure the stability of the roller coating machine structure; the two end shaft heads of the coating roller 7 are installed at one end of the coating roller bearing seat 5 and are pressed by the coating roller bearing pressure cover 6. The coating roller linear guide 19 is installed on the upper and lower sides of the coating roller bearing seat 5. The coating roller linear guide 19 is slidably matched with the coating roller slider 20 installed on the machine base; the other end of the coating roller bearing seat 5 is equipped with a coating roller pressure sensor 8 and a coating roller micro Adjustment mechanism 4, the coating roller fine-tuning screw 21 of the coating roller fine-tuning mechanism 4 is connected to the output shaft of the coating roller fine-tuning servo motor 22 through a coupling, the coating roller fine-tuning screw 21 is threadedly connected to the coating roller bearing seat 5, and the coating roller fine-tuning servo motor 21 runs, and the coating roller linear guide 19 on the coating roller bearing seat 5 is driven by the coating roller fine-tuning screw 21 to move along the coating roller slider 20 to adjust the position of the coating roller 7 on the machine base; a coating roller protective plate 30 is provided on the inner side of the coating roller bearing cover 6, which is used to isolate the coating liquid splashed from the coating roller 7 during work, and effectively prevent the splashed coating liquid from flowing onto the coating roller linear guide 19, so as to ensure the overall accuracy of the coating roller linear guide 19.

[0024] The pick-up roller assembly 2 is mainly composed of a pick-up roller fine-tuning mechanism 9, a pick-up roller bearing seat 10, a pick-up roller bearing pressure cover 11 and a pick-up roller 12. The two sides of the pick-up roller 12 are symmetrically arranged transmission side and operation side. The pick-up roller bearing seat 10 and the pick-up roller bearing pressure cover 11 are made of 80mm thick steel plate to ensure the stability of the roller coating machine structure; the two end shaft heads of the pick-up roller 12 are installed at one end of the pick-up roller bearing seat 10 and are pressed by the pick-up roller bearing pressure cover 11. The pick-up roller linear guide 23 is installed on the upper and lower sides of the pick-up roller bearing seat 10. The pick-up roller linear guide 23 is slidably matched with the pick-up roller slider 24 installed on the machine base. The other end of the pick-up roller bearing seat 10 is equipped with a pick-up roller pressure sensor 13 and The feeding roller fine-tuning mechanism 9; the feeding roller fine-tuning screw 25 of the feeding roller fine-tuning mechanism 9 is connected to the output shaft of the feeding roller fine-tuning servo motor 26 through a coupling, the feeding roller fine-tuning screw 25 is threadedly connected to the feeding roller bearing seat 10, and the feeding roller fine-tuning servo motor 26 runs, and the feeding roller linear guide 23 on the feeding roller bearing seat 10 is driven by the feeding roller fine-tuning screw 25 to move along the feeding roller slider 24 to adjust the position of the feeding roller 12 on the machine base; a feeding roller protective plate 31 is provided on the inner side of the feeding roller bearing cover 11, which is used to isolate the coating liquid splashed from the feeding roller 12 during work, and effectively prevent the splashed coating liquid from flowing onto the feeding roller linear guide 23, so as to ensure the overall accuracy of the feeding roller linear guide 23.

[0025] The metering roller assembly 3 is mainly composed of a metering roller fine-tuning mechanism 14, a metering roller bearing seat 15, a metering roller bearing pressure cover 16 and a metering roller 17. The two sides of the metering roller 17 are symmetrically arranged transmission side and operation side. The metering roller bearing seat 15 and the metering roller bearing pressure cover 16 are made of 80mm thick steel plate to ensure the stability of the roller coating machine structure; the two end shaft heads of the metering roller 17 are installed at one end of the metering roller bearing seat 15 and are pressed by the metering roller bearing pressure cover 16. The metering roller linear guide 27 is installed on the upper and lower sides of the metering roller bearing seat 15. The metering roller linear guide 27 is slidably matched with the metering roller slider 28 installed on the machine base. The other end of the metering roller bearing seat 15 is equipped with a metering roller pressure sensor 18 and a metering roller pressure sensor 19. Metering roller fine-tuning mechanism 14; the metering roller fine-tuning screw 29 of the metering roller fine-tuning mechanism 14 is connected to the output shaft of the metering roller fine-tuning servo motor 33 through a coupling, the metering roller fine-tuning screw 29 is threadedly connected to the metering roller bearing seat 15, and the metering roller fine-tuning servo motor 33 runs, and the metering roller linear guide 27 on the metering roller bearing seat 15 is driven by the metering roller fine-tuning screw 29 to move along the metering roller slider 28 to adjust the position of the metering roller 17 on the machine base; a metering roller protective plate 32 is provided on the inner side of the metering roller bearing cover 16, which is used to isolate the coating liquid splashed from the metering roller 17 during work, and effectively prevent the splashed coating liquid from flowing onto the metering roller linear guide 26, so as to ensure the overall accuracy of the metering roller linear guide 26.

[0026] The metering roller assembly 3 is provided with a scraper mechanism 39, which can accurately control the material thickness of the material taking roller 12, thereby controlling the coating thickness on the silicon steel strip, so that the coating thickness and uniformity can be better controlled. The scraper mechanism 39 is composed of a scraper mounting seat 34, a scraper shaft 35, a scraper upper pressure plate 36, a scraper lower pressure plate 37, a scraper blade 38, a scraper shaft fixing seat 40, etc. The scraper mounting seat 34 is mounted on the metering roller bearing seat 15 at both ends of the metering roller 17, the scraper shaft fixing seat 40 is fixed on the scraper mounting seat 34 by screws, the scraper shaft 35 is installed in the pin hole of the scraper shaft fixing seat 40, and the scraper shaft fixing seat 40 is provided with an opening 41; the scraper upper pressure plate 36 is connected to the scraper shaft 35, the scraper lower pressure plate 37 is bolted to the scraper upper pressure plate 36, and the scraper blade 38 is pressed between the scraper upper pressure plate 36 and the scraper lower pressure plate 37. After the angle between the scraper blade 38 and the tangent of the metering roller 17 is adjusted to 25 degrees and the gap between the scraper blade 38 and the metering roller 17 is 0.5 mm, the adjusted scraper shaft 35 is locked in the pin hole of the scraper shaft fixing seat 40 by screws.

Claims

1. A roller coating machine with a three-roller coating head structure, characterized in that: The roller coating machine comprises a coating roller assembly (1), a feed roller assembly (2) and a metering roller assembly (3); the feed roller assembly (2) is located on an upper layer on one side of the coating roller assembly (1), and the metering roller assembly (3) is located on an upper layer on one side of the feed roller assembly (2); linear guide rails are installed on the upper and lower sides of the bearing seats of the coating roller assembly (1), the feed roller assembly (2) and the metering roller assembly (3); the linear guide rails are slidably matched with a slider on the machine base; a fine adjustment mechanism controls the linear guide rails to move along the slider to adjust the positions of the coating roller assembly (1), the feed roller assembly (2) and the metering roller assembly (3) on the machine base; The metering roller assembly (3) is provided with a scraper mechanism (39), and the scraper mechanism (39) is composed of a scraper mounting seat (34), a scraper rotating shaft (35), a scraper upper pressure plate (36), a scraper lower pressure plate (37), a scraper blade (38), and a scraper rotating shaft fixing seat (40); the scraper mounting seat (34) is mounted on the metering roller bearing seats (15) at both ends of the metering roller (17), the scraper rotating shaft fixing seat (40) is fixed to the scraper mounting seat (34) by screws, the scraper rotating shaft (35) is installed in the pin hole of the scraper rotating shaft fixing seat (40), and the scraper rotating shaft fixing seat (40) is fixed to the scraper mounting seat (34) by screws. The seat (40) is provided with an opening (41), and the adjusted scraper shaft (35) is locked in the pin hole of the scraper shaft fixing seat (40) by means of screws; the scraper upper pressing plate (36) is connected to the scraper shaft (35), the scraper lower pressing plate (37) is bolted to the scraper upper pressing plate (36), and the scraper blade (38) is pressed between the scraper upper pressing plate (36) and the scraper lower pressing plate (37), the angle between the scraper blade (38) and the tangent of the metering roller (17) is 25 degrees, and the gap between the scraper blade (38) and the metering roller (17) is 0.3-0.7 mm.

2. The roller coating machine with a three-roll coating head structure according to claim 1, characterized in that: The coating roller assembly (1) is composed of a coating roller fine-tuning mechanism (4), a coating roller bearing seat (5), a coating roller bearing pressure cover (6) and a coating roller (7). The two sides of the coating roller (7) are symmetrically arranged transmission sides and operating sides. The shaft heads at both ends of the coating roller (7) are mounted on one end of the coating roller bearing seat (5) and are pressed by the coating roller bearing pressure cover (6). Coating roller linear guides (19) are mounted on the upper and lower sides of the coating roller bearing seat (5). The coating roller linear guides (19) are slidably matched with a coating roller slider (20) mounted on the machine base. The other end of the coating roller bearing seat (5) is equipped with a coating roller pressure sensor (8) and a coating roller fine-tuning mechanism (4). The coating roller fine-tuning screw (21) of the coating roller fine-tuning mechanism (4) is connected to the output shaft of the coating roller fine-tuning servo motor (22) via a coupling. The coating roller fine-tuning screw (21) is threadedly connected to the coating roller bearing seat (5).

3. The roller coating machine with a three-roll coating head structure according to claim 1, characterized in that: The pick-up roller assembly (2) is composed of a pick-up roller fine-tuning mechanism (9), a pick-up roller bearing seat (10), a pick-up roller bearing pressure cover (11) and a pick-up roller (12). The two sides of the pick-up roller (12) are symmetrically arranged transmission sides and operation sides. The shaft heads at both ends of the pick-up roller (12) are mounted on one end of the pick-up roller bearing seat (10) and are pressed by the pick-up roller bearing pressure cover (11). The pick-up roller linear guide rails (11) are installed above and below the pick-up roller bearing seat (10). 23), the feed roller linear guide rail (23) is slidably matched with the feed roller slider (24) installed on the machine base, the other end of the feed roller bearing seat (10) is equipped with a feed roller pressure sensor (13) and a feed roller fine-tuning mechanism (9), the feed roller fine-tuning screw rod (25) of the feed roller fine-tuning mechanism (9) is connected to the output shaft of the feed roller fine-tuning servo motor (26) through a coupling, and the feed roller fine-tuning screw rod (25) is threadedly connected to the feed roller bearing seat (10).

4. The roller coating machine with a three-roll coating head structure according to claim 1, characterized in that: The metering roller assembly (3) is composed of a metering roller fine-tuning mechanism (14), a metering roller bearing seat (15), a metering roller bearing pressure cover (16) and a metering roller (17). The two sides of the metering roller (17) are symmetrically arranged transmission sides and operation sides. The two end shaft heads of the metering roller (17) are mounted on one end of the metering roller bearing seat (15) and are pressed by the metering roller bearing pressure cover (16). The metering roller linear guides (27) are mounted on the upper and lower sides of the metering roller bearing seat (15). The metering roller linear guides (27) are slidably matched with the metering roller slider (28) mounted on the machine base. The other end of the metering roller bearing seat (15) is equipped with a metering roller pressure sensor (18) and a metering roller fine-tuning mechanism (14). The metering roller fine-tuning screw (29) of the metering roller fine-tuning mechanism (14) is connected to the output shaft of the metering roller fine-tuning servo motor (33) through a coupling. The metering roller fine-tuning screw (29) is threadedly connected to the metering roller bearing seat (15).

5. The roller coating machine with a three-roller coating head structure according to claim 2, characterized in that: The inner sides of the coating roller bearing pressure cover (6), the feed roller bearing pressure cover (11), and the metering roller bearing pressure cover (16) are respectively provided with a coating roller protection plate (30), a feed roller protection plate (31), and a metering roller protection plate (32) for isolating splashing coating liquid during operation.

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