Roller type coating machine

By designing the motor drive gear and circular gear system to drive the lifting plate and connecting rod to move, adjust the spacing between the coating roller and the adjustment roller, and improve the coating uniformity through the scraping mechanism, the problem of manual adjustment of the gap between the existing coating mechanism is solved, and high-precision coating quality and uniformity are achieved.

CN222970165UActive Publication Date: 2025-06-13CHENGDU ZHENGHAI CAR INTERIOR DECORATION CO LTD
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Patent Information

Application Number
CN202421419246.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-20
Publication Date
2025-06-13
Estimated Expiration
2034-06-20

AI Technical Summary

Technical Problem

The gaps of existing coating mechanisms need to be manually adjusted, with low control accuracy, which affects the coating quality.

Method used

A roller coating machine is designed, using a motor drive gear and circular gear system to drive the lifting plate and connecting rod to move, adjust the spacing between the coating roller and the adjustment roller, and improve the coating uniformity through the scraping mechanism.

Benefits of technology

It realizes automatic adjustment of the coating mechanism gap, improves the equipment adjustment accuracy, ensures the coating quality, and improves the uniformity of the coating operation.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222970165U_ABST
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Abstract

The utility model discloses a roller type coating machine which comprises a bottom plate, a supporting frame is arranged at the position, close to the bottom, of four sets of supporting rods, a coating roller is arranged on the inner side of the supporting frame, an adjusting roller is arranged above the coating roller, and an adjusting mechanism for adjusting the gap between the adjusting roller and the coating roller is installed at the bottom of a top plate. According to the coating device, the distance between the adjusting roller and the coating roller can be conveniently adjusted through the adjusting mechanism, the coating dipped by the coating roller can be conveniently and uniformly scraped through the scraping mechanism, so that the uniformity of the coating operation can be improved, and the coating efficiency can be further improved through the arrangement. And the gap between the coating mechanisms can be adjusted instead of manual operation, so that the precision of equipment adjustment is improved, and the coating quality is ensured.
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Description

Technical Field

[0001] The utility model relates to the technical field of coating machines, and particularly relates to a roll coating machine. Background Technique

[0002] Coating machines are mainly used in the surface coating process production of films, papers, etc. This machine coats a roll of base materials with a specific functional glue, coating, ink, etc., and after drying, it is cut into sheets or wound up. It uses a special multi-functional coating head to achieve various forms of surface coating. The unwinding and rewinding of the coating machine are both equipped with a full-speed automatic film splicing mechanism, and the PLC program tension closed-loop automatic control. Among them, roll coating is to apply the coating to the coating surface with a coating roll. The in-machine coating is mainly based on this type of coating machine. The coating amount can be adjusted by the pressure between the metering rolls. When the pressure is increased, the passing amount of the coating decreases, and the coating amount also decreases.

[0003] There are many types and complex structures of existing coating mechanisms, but they generally have the following problems: The gap between the coating mechanisms needs to be manually adjusted, and the control accuracy is relatively low, which affects the coating quality.

[0004] Therefore, a roll coating machine is needed to solve the problems mentioned in the above background technique. Content of the Utility Model

[0005] In view of the above problems, the utility model provides a roll coating machine.

[0006] The utility model provides the following technical solution: A roll coating machine includes a bottom plate. The top of the bottom plate is connected to a top plate through four groups of support rods. A storage tank for storing the coating is opened at the top of the bottom plate. At a position close to the bottom of the four groups of support rods, there is a support frame. Inside the support frame, there is a coating roll partially penetrating inside the storage tank. A connecting shaft that is rotationally connected to the support frame penetrates through the inside of the coating roll. One end of the connecting shaft is connected to the output end of a first motor installed outside the support frame. An adjusting roll is arranged above the coating roll. An adjusting mechanism for adjusting the gap between the adjusting roll and the coating roll is installed at the bottom of the top plate. A scraping mechanism for facilitating the uniform coating of the coating is arranged on one side of the coating roll;

[0007] The adjusting mechanism includes a lifting plate slidably connected to the corresponding two groups of support rods. The adjusting roll is rotatably connected between the two lifting plates. Connecting rods are arranged at the tops of the two lifting plates. Threaded grooves are opened at one ends of the two connecting rods, and are respectively threadedly connected to rotating seats rotationally connected to the top plate. Circular gears are sleeved outside the two rotating seats. The two circular gears are both meshed with a driving gear rotatably connected to the top of the top plate. The top of the driving gear is connected to the output end of a second motor installed on one side of the mounting seat.

[0008] In a further technical solution, scales are provided on the outer circles of the two groups of the support rods located on one side.

[0009] In a further technical solution, two sliding rods are slidably connected to the top plate. The tops of the two sliding rods are connected by a connecting plate. A handle is installed on the top of the connecting plate. The bottoms of the two sliding rods are both connected with connecting blocks. A pressure roller that abuts against the adjusting roller is rotatably connected between the two connecting blocks. Springs are sleeved on the outer sides of the two sliding rods. One ends of the two springs are respectively connected to the tops of the two connecting blocks, and the other ends of the two springs are both connected to the bottom of the top plate.

[0010] In a further technical solution, the scraping mechanism includes a scraper that abuts against the coating roller. A fixed seat is provided on one side of the support frame. The outer circle of the fixed seat is rotatably connected with the scraper and is connected by a torsion spring.

[0011] In a further technical solution, guide rollers are provided on one side of the bottom plate and the top plate.

[0012] In a further technical solution, an operating table is provided at the bottom of the bottom plate.

[0013] The beneficial effects of the present utility model are as follows:

[0014] 1. By starting the second motor, the second motor can drive the driving gear to rotate. Under the meshing action of the driving gear with the two circular gears, the two circular gears can be driven to rotate. The two circular gears can drive the two rotating seats to rotate. Under the threaded connection action of the two rotating seats with the two connecting rods, and in cooperation with the sliding connection of the two lifting plates with the corresponding two support rods, the two connecting rods and the two lifting plates can be driven to move up and down. The two lifting plates can drive the rotatably connected adjusting roller to move up and down, so as to conveniently adjust the distance between the adjusting roller and the coating roller. Furthermore, through the setting, it can replace manual adjustment of the gap between the coating mechanisms, improve the adjustment precision of the equipment, and ensure the coating quality.

[0015] 2. Through the provided torsion spring, one end of the scraper can be driven to abut against the coating roller. Thus, during the rotation of the coating roller, the applied paint can be scraped evenly. Furthermore, through the setting, the uniformity of the coating operation can be improved. Description of the Drawings

[0016] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0017] Figure 2 is a bottom view of the present utility model;

[0018] Figure 3Schematic diagram of the internal structure of the present utility model;

[0019] Figure 4 Front view cross-sectional view of the present utility model;

[0020] Figure 5 is Figure 3 enlarged view of part A in

[0021] Figure 6 is Figure 4 enlarged view of part B in

[0022] In the figure: 1, bottom plate; 2, support rod; 3, top plate; 4, storage tank; 5, support frame; 6, coating roller; 7, connecting shaft; 8, first motor; 9, lifting plate; 10, adjusting roller; 11, connecting rod; 12, rotating seat; 13, circular gear; 14, driving gear; 15, second motor; 16, mounting seat; 17, scale; 18, sliding rod; 19, connecting plate; 20, handle; 21, connecting block; 22, pressing roller; 23, spring; 24, fixed seat; 25, scraper; 26, torsion spring; 27, guide roller; 28, operating table. Specific embodiments

[0023] The following further illustrates the embodiments of the present utility model with reference to the accompanying drawings.

[0024] Embodiment:

[0025] Referring to Figures 1-6 , a roll coater includes a bottom plate 1. The top of the bottom plate 1 is connected to a top plate 3 through four groups of support rods 2. A storage tank 4 for storing paint is provided at the top of the bottom plate 1. A support frame 5 is provided at a position close to the bottom of the four groups of support rods 2. Inside the support frame 5 is provided a coating roller 6 partially penetrating inside the storage tank 4. A connecting shaft 7 rotatably connected to the support frame 5 penetrates through the inside of the coating roller 6. One end of the connecting shaft 7 is connected to the output end of a first motor 8 installed outside the support frame 5. An adjusting roller 10 is provided above the coating roller 6. An adjusting mechanism for adjusting the gap between the adjusting roller 10 and the coating roller 6 is installed at the bottom of the top plate 3. A scraping mechanism for facilitating the uniform coating of paint is provided on one side of the coating roller 6;

[0026] The adjusting mechanism includes a lifting plate 9 slidably connected to the corresponding two groups of support rods 2. An adjusting roller 10 is rotatably connected between the two groups of lifting plates 9. Connecting rods 11 are provided at the tops of the two groups of lifting plates 9. Threaded grooves are respectively provided at one ends of the two groups of connecting rods 11 and are respectively threadedly connected to rotating seats 12 rotatably connected to the top plate 3. Circular gears 13 are sleeved outside the two groups of rotating seats 12. The two groups of circular gears 13 are both meshed with a driving gear 14 rotatably connected to the top of the top plate 3. The top of the driving gear 14 is connected to the output end of a second motor 15 installed on one side of the mounting seat 16.

[0027] Specifically, through the provided storage tank 4, it is convenient for the coating roller 6 to dip the coating material. The first motor 8 can drive the connecting shaft 7 and the coating roller 6 to rotate, thus facilitating the coating operation. By starting the second motor 15, the second motor 15 can drive the driving gear 14 to rotate. Under the meshing action of the driving gear 14 with the two sets of circular gears 13, the two sets of circular gears 13 can be driven to rotate. The two sets of circular gears 13 can drive the two sets of rotating seats 12 to rotate. Under the threaded connection action of the two sets of rotating seats 12 with the two sets of connecting rods 11, and in cooperation with the sliding connection of the two sets of lifting plates 9 with the corresponding two sets of support rods 2, the two sets of lifting plates 9 can be driven to move up and down. The two sets of lifting plates 9 can drive the rotatably connected adjusting roller 10 to move up and down, thereby facilitating the adjustment of the distance between the adjusting roller 10 and the coating roller 6. Through the provided scraping mechanism, it is convenient to scrape and level the coating material dipped by the coating roller 6, thereby improving the uniformity of the coating operation. Furthermore, through the above structure, it can replace manual adjustment of the gap between the coating mechanisms, improve the adjustment accuracy of the equipment, and ensure the coating quality.

[0028] Among them, scales 17 are provided on the outer circles of the two sets of support rods 2 on one side. Through the cooperative action of the scales 17, the adjustment accuracy of the adjusting roller 10 can be further improved.

[0029] Among them, two sets of sliding rods 18 are slidably connected to the top plate 3. The tops of the two sets of sliding rods 18 are connected by a connecting plate 19. A handle 20 is installed on the top of the connecting plate 19. The bottoms of the two sets of sliding rods 18 are both connected with connecting blocks 21. A pressure roller 22 that abuts against the adjusting roller 10 is rotatably connected between the two sets of connecting blocks 21. Springs 23 are sleeved on the outer sides of the two sets of sliding rods 18. One ends of the two sets of springs 23 are respectively connected to the tops of the two sets of connecting blocks 21, and the other ends of the two sets of springs 23 are both connected to the bottom of the top plate 3. Through the provided two sets of springs 23, the two sets of connecting blocks 21 can be driven to move downward under the action of the reaction force of the springs 23. The two sets of connecting blocks 21 can drive the rotatably connected pressure roller 22 to move downward, so that the pressure roller 22 can abut against the adjusting roller 10. Furthermore, through the setting, the coating material passing through the adjusting roller 10 after coating can be compacted.

[0030] Among them, the scraping mechanism includes a scraper 25 that abuts against the coating roller 6. A fixed seat 24 is provided on one side of the support frame 5. The outer circle of the fixed seat 24 is rotatably connected with the scraper 25 and is connected by a torsion spring 26. Through the provided torsion spring 26, one end of the scraper 25 can be driven to abut against the coating roller 6. Thus, during the rotation of the coating roller 6, the dipped coating material can be scraped and leveled, and furthermore, through the setting, the uniformity of the coating operation can be improved.

[0031] Among them, guide rollers 27 are provided on one side of the bottom plate 1 and the top plate 3. By providing two sets of guide rollers 27, it is convenient to guide the materials to be coated in and out. An operating table 28 is provided at the bottom of the bottom plate 1. By providing the operating table 28, it can provide a stable supporting effect for the device.

[0032] Working principle: First, by starting the second motor 15, the second motor 15 can drive the driving gear 14 to rotate. The driving gear 14 can drive two sets of circular gears 13 to rotate. The two sets of circular gears 13 can drive two sets of rotating seats 12 to rotate. The two sets of rotating seats 12 can drive two sets of connecting rods 11 and two sets of lifting plates 9 to move up and down. The two sets of lifting plates 9 can drive the rotatably connected adjusting roller 10 to move up and down, so as to conveniently adjust the distance between the adjusting roller 10 and the coating roller 6. After the adjusting roller 10 moves to the specified position, under the action of the reaction force of two sets of springs 23, it can drive two sets of connecting blocks 21 to move downward. The two sets of connecting blocks 21 can drive the rotatably connected pressing roller 22 to move downward, so that the pressing roller 22 can be in contact with the adjusting roller 10, and the paint passing through the adjusting roller 10 after coating can be compacted. Then, by starting the first motor 8, the first motor 8 can drive the connecting shaft 7 and the coating roller 6 to rotate, so as to facilitate the coating operation. During the rotation of the coating roller 6, one end of the scraping plate 25 can be driven by the torsion spring 26 to be in contact with the coating roller 6, so as to scrape the dipped paint evenly, improving the uniformity of the coating operation, and then completing the entire operation process.

[0033] The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0034] Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A roller coater, comprising a bottom plate, characterized in that: The top of the bottom plate is connected to the top plate through four groups of support rods, a storage groove for storing paint is opened on the top of the bottom plate, and a support frame is arranged near the bottom of the four groups of support rods, a coating roller partially passing through the inner side of the storage groove is arranged on the inner side of the support frame, a connecting shaft rotatably connected to the support frame passes through the inside of the coating roller, one end of the connecting shaft is connected to the output end of the first motor installed on the outer side of the support frame, an adjusting roller is arranged above the coating roller, an adjusting mechanism for adjusting the gap between the adjusting roller and the coating roller is installed at the bottom of the top plate, and a scraping mechanism for facilitating uniform coating of the paint is arranged on one side of the coating roller; The adjusting mechanism comprises a lifting plate slidably connected to the corresponding two groups of support rods, the adjusting roller is rotatably connected between the two groups of lifting plates, a connecting rod is provided on the top of the two groups of lifting plates, a threaded groove is provided at one end of the two groups of connecting rods, and they are respectively threadedly connected to a rotating seat rotatably connected to the top plate, circular gears are sleeved on the outer sides of the two groups of rotating seats, the two groups of circular gears are meshed with a driving gear rotatably connected to the top of the top plate, and the top of the driving gear is connected to the output end of a second motor installed on one side of the mounting seat.

2. A roller coater according to claim 1, characterized in that: The outer rings of the two groups of support rods on one side are both provided with scales.

3. A roller coater according to claim 2, characterized in that: The top plate is slidably connected with two groups of sliding rods, the top ends of the two groups of sliding rods are connected by a connecting plate, a handle is installed on the top of the connecting plate, the bottom ends of the two groups of sliding rods are connected with connecting blocks, a pressure roller that contacts the adjusting roller is rotatably connected between the two groups of connecting blocks, and springs are sleeved on the outer sides of the two groups of sliding rods, one end of the two groups of springs are respectively connected to the tops of the two groups of connecting blocks, and the other ends of the two groups of springs are connected to the bottom of the top plate.

4. A roller coater according to claim 1, characterized in that: The scraper mechanism comprises a scraper which contacts the coating roller. A fixed seat is provided on one side of the support frame. The outer ring of the fixed seat is rotatably connected to the scraper and is connected via a torsion spring.

5. A roller coater according to claim 4, characterized in that: One side of the bottom plate and the top plate is provided with a guide roller.

6. A roller coater according to claim 5, characterized in that: An operating table is arranged at the bottom of the base plate.