Scraper device of coating machine
By opening through holes and setting up driving components on the coater scraper, the problems of foam backlog and scraper jam in the coating are solved, and the flatness and efficiency of the coating are achieved.
Patent Information
- Application Number
- CN202421396089.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-18
- Publication Date
- 2025-04-15
- Estimated Expiration
- 2034-06-18
AI Technical Summary
In existing coating machines, a large amount of foam backlog in the coating affects the operation of the scraper, and the resin-based scraper is prone to uneven coating due to clumping of coarse powder.
A coater scraper device is designed, in which a plurality of equally distributed through holes are opened on the scraper so that the foam can flow out, and the angle of the scraper and the spacing with the machine base are adjusted by the driving assembly.
It effectively avoids foam backlog affecting the scraper work, and ensures the smoothness of the coating by adjusting the scraper angle and spacing.
Smart Images

Figure CN222753613U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of coating machines, and in particular to a coating machine scraper device. Background Art
[0002] A coating machine is a device that applies a layer of glue, paint or ink with specific functions on a rolled film material. After the film material is coated, it needs to be dried and rolled up. The thickness of the glue applied by the coating machine is usually controlled by a scraper corresponding to the glue roller, which is the guarantee of the coating of the coating machine. The gap between the scraper and the glue roller directly determines the coating thickness of the glue.
[0003] At present, there is a large amount of foam in the coating of the coating machine, and the long-term accumulation of foam will affect the work of the scraper; and when the material is resin, the coating slurry is coarse powder, and the resin material is too hard, which is easy to get stuck in the gap of the scraper, resulting in uneven scraping. Utility Model Content
[0004] In order to improve the problem of uneven scraping caused by a large amount of foam in the coating of the existing coating machine, the present application provides a coating machine scraper device.
[0005] The present application provides a coating machine scraper device, including a coating machine base and a scraper assembly installed on the base, the scraper assembly including a sliding frame slidably installed on the base, and the inner wall of the sliding frame is provided with an adjustment assembly, the outer wall at the bottom of the adjustment assembly is provided with a scraper, and the outer wall of the scraper is provided with a plurality of through holes distributed at equal distances, the scraper assembly includes a chassis, and the inner wall of the chassis is slidably connected to a U-shaped frame, the outer walls on the opposite sides of the U-shaped frame are rotatably connected to a mounting seat for fixing the scraper, and the outer walls on both sides of the U-shaped frame are provided with a driving assembly for driving the mounting seat to rotate.
[0006] With the above structure, the sliding frame is used to facilitate the movement of the scraper, the adjustment component is used to facilitate the adjustment of the distance between the scraper and the machine base, the drive component is used to facilitate the adjustment of the angle of the scraper, and the through hole on the scraper facilitates the outflow of foam in the raw material.
[0007] The driving assembly comprises a driving box fixedly connected to the U-shaped frame, and a gear is rotatably connected to an inner wall of one side of the driving box.
[0008] With the above structure, the drive assembly can be conveniently installed on the U-shaped frame through the arrangement of the drive box.
[0009] The gear transmission shaft is fixedly connected to the mounting seat, and the inner wall of the driving box is slidably connected with a rack meshing with the gear.
[0010] With the above structure, the gear is driven to rotate by the movement of the rack, thereby conveniently driving the mounting seat to rotate.
[0011] The inner walls on both sides of the driving box are rotatably connected with a same screw rod, and the rack is screwed on the outer wall of the screw rod.
[0012] With the above structure, the rack is driven to move by the rotation of the screw.
[0013] The inner wall of the driving box is fixedly connected with a servo motor, and the output shaft of the servo motor is fixedly connected with a synchronous wheel 1.
[0014] With the above structure, the synchronous wheel is directly driven to rotate by the servo motor.
[0015] One end of the screw is fixedly connected with a second synchronous wheel, and a same synchronous belt is connected between the second synchronous wheel and the first synchronous wheel.
[0016] With the above structure, the servo motor can directly drive the screw to rotate by setting the synchronous belt.
[0017] The top inner wall of the chassis is fixedly connected with an electric telescopic rod, and the output shaft of the electric telescopic rod is fixedly connected to the U-shaped frame.
[0018] With the above structure, the U-shaped frame can be easily moved up and down by setting the electric telescopic rod, thereby conveniently driving the scraper to adjust the height.
[0019] The inner wall of the chassis is fixedly connected to two mounting rods, and the U-shaped frame is slidably connected to the outer walls of the two mounting rods.
[0020] With the above structure, the sliding track of the U-shaped frame can be conveniently restricted by setting the mounting rod.
[0021] In summary, the beneficial effects of this application are as follows:
[0022] 1. The present application provides a plurality of equally spaced through holes on the scraper, and the foam in the slurry flows out directly from the through holes, effectively avoiding foam accumulation and affecting the work of the scraper. Two drive components are arranged on the U-shaped frame, and the arrangement of the drive components facilitates the scraper to adjust its angle.
[0023] 2. The present application facilitates the adjustment of the scraper angle by cooperating between the rack and the gear set in the driving assembly, facilitates the movement of the rack by setting the screw, and facilitates the lifting and lowering of the U-shaped frame by setting the electric telescopic rod, thereby facilitating the adjustment of the distance between the scraper and the machine base. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 It is a schematic diagram of the entire application;
[0025] Figure 2 It is a schematic diagram of the scraper assembly of the present application;
[0026] Figure 3 It is a schematic diagram of the scraper of this application;
[0027] Figure 4 It is a cross-sectional schematic diagram of the drive assembly of the present application;
[0028] Figure 5 It is a schematic cross-sectional view of the chassis of this application.
[0029] Explanation of the accompanying drawings: 1. base; 2. scraper assembly; 3. sliding frame; 4. adjustment assembly; 5. scraper; 6. through hole; 7. chassis; 8. U-shaped frame; 9. drive assembly; 10. mounting base; 11. drive box; 12. gear; 13. rack; 14. screw; 15. synchronous belt; 16. servo motor; 17. electric telescopic rod. DETAILED DESCRIPTION
[0030] The following is combined with Figure 1-5 This application is described in further detail.
[0031] See also Figure 1-3 The scraper device of the coating machine includes a base 1 of the coating machine and a scraper assembly 2 installed on the base 1. The scraper assembly 2 includes a sliding frame 3 slidably installed on the base 1, and the inner wall of the sliding frame 3 is provided with an adjusting assembly 4. A scraper 5 is provided on the outer wall of the bottom of the adjusting assembly 4. The scraper 5 is conveniently driven to move by the setting of the sliding frame 3, and the outer wall of the scraper 5 is provided with a plurality of equally distributed through holes 6. The setting of the adjusting assembly 4 is convenient for adjusting the distance between the scraper 5 and the base 1. The scraper assembly 2 includes a chassis 7, and the inner wall of the chassis 7 is slidably connected with a U-shaped frame 8. The outer wall of the opposite side of the U-shaped frame 8 is rotatably connected with a mounting seat 10 for fixing the scraper 5, and the outer walls of both sides of the U-shaped frame 8 are provided with a driving assembly 9 for driving the mounting seat 10 to rotate. The setting of the driving assembly 9 is convenient for adjusting the angle of the scraper 5, and the through holes 6 on the scraper 5 facilitate the outflow of foam in the raw material.
[0032] Reference Figure 4 The driving assembly 9 includes a driving box 11 fixedly connected to the U-shaped frame 8, and a gear 12 is rotatably connected to the inner wall of one side of the driving box 11. The setting of the driving box 11 facilitates the installation of the driving assembly 9 on the U-shaped frame 8.
[0033] Reference Figure 4 The transmission shaft of the gear 12 is fixedly connected to the mounting base 10, and the inner wall of the driving box 11 is slidably connected with a rack 13 that meshes with the gear 12. The gear 12 is driven to rotate by the movement of the rack 13, thereby conveniently driving the mounting base 10 to rotate.
[0034] Reference Figure 4 The inner walls of both sides of the driving box 11 are rotatably connected with the same screw rod 14, and the rack 13 is screwed on the outer wall of the screw rod 14, and the rack 13 is driven to move by the rotation of the screw rod 14.
[0035] Reference Figure 4 A servo motor 16 is fixedly connected to the inner wall of the driving box 11, and a synchronous wheel 1 is fixedly connected to the output shaft of the servo motor 16, and the synchronous wheel 1 is directly driven to rotate by the servo motor 16.
[0036] Reference Figure 4 One end of the screw rod 14 is fixedly connected to the synchronous wheel 2, and the same synchronous belt 15 is connected between the synchronous wheel 2 and the synchronous wheel 1. The setting of the synchronous belt 15 facilitates the servo motor 16 to directly drive the screw rod 14 to rotate.
[0037] Reference Figure 5 The top inner wall of the chassis 7 is fixedly connected with an electric telescopic rod 17, and the output shaft of the electric telescopic rod 17 is fixedly connected to the U-shaped frame 8. The setting of the electric telescopic rod 17 facilitates the lifting and lowering of the U-shaped frame 8, thereby facilitating the scraper 5 to adjust its height.
[0038] Reference Figure 5 The inner wall of the chassis 7 is fixedly connected with two mounting rods, and the U-shaped frame 8 is slidably connected to the outer walls of the two mounting rods. The sliding track of the U-shaped frame 8 is conveniently limited by the setting of the mounting rods.
[0039] The implementation principle of the present application is: when in use, the base film to be coated is placed on the machine base 1, and then the distance between the scraper 5 and the machine base 1 is adjusted. When adjusting, the electric telescopic rod 17 directly drives the U-shaped frame 8 to move. After adjusting the position of the scraper 5, its angle is adjusted. When adjusting, the servo motor 16 is started to directly drive the screw 14 to rotate through the synchronous belt 15. When the screw 14 rotates, it drives the rack 13 to move. When the rack 13 moves, it is convenient to directly drive the gear 12 to rotate. When the gear 12 rotates, it directly drives the scraper 5 to adjust its angle. When the scraper 5 scrapes the material, the foam accumulated in the raw material directly flows out through the through hole 6.
[0040] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.
Claims
1. A coating machine scraper device, comprising a coating machine base (1) and a scraper assembly (2) mounted on the base (1), characterized in that: The scraper assembly (2) comprises a sliding frame (3) slidably mounted on a machine base (1), and an adjustment assembly (4) is arranged on the inner wall of the sliding frame (3); a scraper (5) is arranged on the outer wall of the bottom of the adjustment assembly (4), and a plurality of through holes (6) distributed at equal distances are opened on the outer wall of the scraper (5); the scraper assembly (2) comprises a chassis (7), and a U-shaped frame (8) is slidably connected to the inner wall of the chassis (7); a mounting seat (10) for fixing the scraper (5) is rotatably connected to the outer wall of the opposite side of the U-shaped frame (8), and a driving assembly (9) for driving the mounting seat (10) to rotate is arranged on the outer walls of both sides of the U-shaped frame (8).
2. The coating machine scraper device according to claim 1, characterized in that: The driving assembly (9) comprises a driving box (11) fixedly connected to the U-shaped frame (8), and a gear (12) is rotatably connected to an inner wall of one side of the driving box (11).
3. The coating machine scraper device according to claim 2, characterized in that: The transmission shaft of the gear (12) is fixedly connected to the mounting seat (10), and the inner wall of the driving box (11) is slidably connected to a rack (13) that meshes with the gear (12).
4. The coating machine scraper device according to claim 3, characterized in that: The inner walls on both sides of the drive box (11) are rotatably connected to a same screw rod (14), and the rack (13) is screwed onto the outer wall of the screw rod (14).
5. The coating machine scraper device according to claim 4, characterized in that: A servo motor (16) is fixedly connected to the inner wall of the drive box (11), and a synchronous wheel 1 is fixedly connected to the output shaft of the servo motor (16).
6. The coating machine scraper device according to claim 5, characterized in that: One end of the screw rod (14) is fixedly connected to a second synchronous wheel, and a same synchronous belt (15) is connected between the second synchronous wheel and the first synchronous wheel.
7. The coating machine scraper device according to claim 6, characterized in that: An electric telescopic rod (17) is fixedly connected to the top inner wall of the chassis (7), and an output shaft of the electric telescopic rod (17) is fixedly connected to the U-shaped frame (8).
8. The coating machine scraper device according to claim 7, characterized in that: The inner wall of the chassis (7) is fixedly connected to two mounting rods, and the U-shaped frame (8) is slidably connected to the outer walls of the two mounting rods.