CN210121542U

CN210121542U - Roller coating machine for color plate processing

Info

Publication number: CN210121542U
Application number: CN201920553731.7U
Authority: CN
Inventors: 李舒军; 付强; 邹炎斌; 赵秀娟
Original assignee: Qingdao River Steel Composite New Mstar Technology Ltd; Hefei River Steel New Mstar Technology Ltd
Current assignee: Qingdao River Steel Composite New Mstar Technology Ltd; Hefei River Steel New Mstar Technology Ltd
Priority date: 2019-04-18
Filing date: 2019-04-18
Publication date: 2020-03-03
Anticipated expiration: 2029-04-18

Abstract

The utility model relates to the technical field of color plate processing, and discloses a roller coating machine for color plate processing, which comprises a frame, wherein a positive coating component and a transmission roller are arranged on the frame, the positive coating component comprises an adjusting roller, a material lifting roller and a coating roller which are rotationally connected with the frame, a feeding component is arranged on the frame, and the rotation speed ratio of the adjusting roller to the material lifting roller is 0.3-0.9; the rotating speed ratio of the material lifting roller to the coating roller is 0.3-0.4. When the rotating speed of the adjusting roller, namely the material lifting roller, is relatively small, the coating is not easy to disperse, and the aim of reducing the generation of floating color cannot be achieved; when the coating is large, the coating is not easily brought to the coating roller, and the coating cannot be guaranteed. The material lifting roller is not beneficial to lifting materials by the material lifting roller when the rotating speed of the coating roller is smaller; when the size of the product is larger, the material lifting roller cannot play a role in leveling the coating, and is not beneficial to surface control of the product; in the scheme, the rotating speed ratio between the adjusting roller and the material lifting roller is set to be 0.3-0.9, and the rotating speed ratio between the material lifting roller and the coating roller is set to be 0.3-0.4, so that the processing quality of the product is improved.

Description

Roller coating machine for color plate processing

Technical Field

The utility model relates to a color plate processing technology field, in particular to machine is scribbled with roller to color plate processing.

Background

In the field of household appliances, in order to improve the decorative effect, a decorative steel plate is generally added on the household appliances; nowadays, with the development of times, decorative steel plates are also diversified more and more, and colors are usually coated on the decorative steel plates to form color steel plates, color plates for short, and the color plates have light weight, attractive appearance and good corrosion resistance. Among the numerous processes for color-coated sheets, the roll coating method is the most widely used process. The roller coating uses a roller as a carrier of the coating, the coating forms a wet film with a certain thickness on the surface of the roller, and then the roller contacts with the object to be coated in the rotating process to coat the coating on the surface of the object to be coated. The roll coater is a core device in a roll coating process, determines the thickness and uniformity of a coating on the surface of a material, has a great influence on the operation efficiency of a machine set, and is the most common and widely used coating device at present.

At present, chinese utility model patent that publication number is CN203917033U discloses a three-roller roll coater of two-sided coating roller, it includes front coating mechanism, back coating mechanism, backing roll and steering roll, front coating mechanism, back coating mechanism, backing roll and steering roll pass through the steel sheet and connect, front coating mechanism and back coating mechanism all include from the coating dish be stained with the area material roller of getting coating, with the coating on the area material roller scribble the roller on the steel sheet surface and control the area material roller and be stained with the measuring roller of getting coating thickness, measuring roller, area material roller and coating roll are respectively through independent motor control motion, be provided with the elevating gear who drives the lifting of coating dish below the coating dish, elevating gear still includes the lifter that is driven by the motor.

According to the technical scheme, the coating is dipped from a coating disc through a material carrying roller in the double-roller coating device, and then the coating is transferred to a coating roller, and the coating roller coats the coating on the surface of a steel plate to finish roller coating; however, the above solutions do not limit the rotation speed ratio between the metering roller and the belt roller and the rotation speed ratio between the belt roller and the coating roller, which affects the leveling and coating of the coating and the coating effect of the product surface.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a roller coating machine for color plate processing, which has the advantages of appropriate rotating speed limitation and capability of improving the processing quality of products.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a roller coating machine for color plate processing comprises a rack, wherein a positive coating assembly and a transmission roller for transmitting a steel plate are arranged on the rack, the positive coating assembly comprises an adjusting roller, a material lifting roller and a coating roller which are sequentially connected to the rack in a rotating mode, a feeding assembly for feeding coating materials between the adjusting roller and the material lifting roller is further arranged on the rack, and the rotating speed ratio of the adjusting roller to the material lifting roller is 0.3-0.9; the rotating speed ratio between the material lifting roller and the coating roller is 0.3-0.4.

When the rotating speed of the adjusting roller, namely the material lifting roller, is relatively small, the coating is not easy to disperse, and the aim of reducing the generation of floating color cannot be achieved; when the rotating speed of the adjusting roller, namely the material lifting roller, is relatively high, the coating is not easy to be brought to the coating roller, and the coating cannot be guaranteed. The material lifting roller is not beneficial to lifting materials by the material lifting roller when the rotating speed of the coating roller is smaller; when the rotating speed of the material lifting roller and the coating roller is higher, the material lifting roller cannot play a role in leveling the coating and is not beneficial to the surface control of the product; by adopting the technical scheme, the rotating speed ratio between the adjusting roller and the lifting roller is set to be 0.3-0.9, and the rotating speed ratio between the lifting roller and the coating roller is set to be 0.3-0.4, so that the processing quality of the product is improved.

The utility model discloses further set up to, the material loading subassembly include with the support that the frame is fixed, be fixed with the diaphragm on the support, diaphragm upper surface middle part is fixed with the coating cartridge who has stored coating, the coating cartridge bottom is equipped with the discharge gate, set up the bar groove that supplies the coating in the discharge gate to pass on the diaphragm.

The method for dipping the coating from the coating tray in the prior art needs to put enough coating into the coating tray to submerge the bottom of the material-carrying roller, the coating positioned at the bottom of the coating tray is stored in the coating tray for a long time, the fluidity is poor, color paste is condensed at the corners of the coating tray and the edges of the material-carrying roller, and the condensed color paste is brought to a steel plate by the material-carrying roller to form defects of floating color, color lines, particle lines and the like.

The utility model discloses further set up to, scribble the paint box with be equipped with the angle bar between the diaphragm, the angle bar upper surface is fixed with scribbles the paint box, the angle bar side is fixed with the sector plate, the angle bar with two screw holes have all been seted up on the bar inslot wall, just a plurality of screw holes have been seted up on the sector plate, and a plurality of screw holes encircle the distribution around its one of which screw hole, common threaded connection has the screw on the screw hole.

Through adopting above-mentioned technical scheme, when the screw cooperates the screw hole of difference on the sector plate, the contained angle of angle bar upper surface and horizontal plane is different to this slope degree that changes the coating box, thereby the velocity of flow of regulation coating.

The utility model discloses further set up to, filter hopper has been placed in the paint cartridge, the filter hopper top has the flange of contradicting with paint cartridge top edge, be fixed with the handle on the flange.

By adopting the technical scheme, the filter hopper is arranged to filter the coating entering the coating box, so that the influence of impurities in the coating on the coating is eliminated, and the uniformity of the coating is ensured; the setting of flange and handle is convenient for operating personnel and is taken out the filter hopper in order to wash or change after processing is accomplished to avoid the filter to hinder the coating entering because of blockking up after using for a long time.

The utility model discloses further set up to, the diaphragm is close to a side edge of coating roll is fixed with the guide plate, guide plate bottom edge slope to the adjusting roller.

Through adopting above-mentioned technical scheme, set up the coating that the guide plate of slope flows the discharge gate and guide to the adjusting roller on to this avoids coating directly to fall and splashes to lifting roller and coating roll and cause coating to distribute inhomogeneous, thereby the homogeneity when ensureing the coating of coating roll.

The utility model discloses further set up to, be fixed with the lift seat in the frame, be fixed with the confession on the lift seat the adjusting roller rotates the bearing frame of connecting, go back threaded connection on the lift seat has a vertical screw rod, vertical screw rod top with the bearing frame bottom is rotated and is connected, the handle is installed to vertical screw rod bottom.

Through adopting above-mentioned technical scheme, when vertical screw rotated, vertical screw produced the ascending removal of vertical direction, and the bearing frame of installing at vertical screw top goes up and down thereupon to this realizes adjusting the regulation of adjusting roller height, changes the interval between adjusting roller and the lifting roller, reaches the purpose of adjusting coating thickness.

The utility model discloses further set up to, be fixed with the tray that is used for accepting coating in the frame, tray bottom intercommunication has the recovery tube.

Through adopting above-mentioned technical scheme, utilize the tray to accept from carrying the coating that material roller, adjusting roller and coating roll dripped to through recovery tube with coating recycle, with this saving manufacturing cost.

The utility model discloses further set up to, be fixed with the scraper blade on the tray inside wall, the scraper blade top with the coating roll bottom is contradicted.

Through adopting above-mentioned technical scheme, utilize the scraper blade to scrape off the coating that remains after with the coating roll coating to this uniformity of guaranteeing coating on the coating roll, and the coating after scraping falls into and can retrieve in the tray, has practiced thrift manufacturing cost.

To sum up, the utility model discloses a beneficial technological effect does:

1. in the scheme, the rotating speed ratio between the adjusting roller and the material lifting roller is set to be 0.3-0.9, and the rotating speed ratio between the material lifting roller and the coating roller is set to be 0.3-0.4, so that the condition that the coating is difficult to disperse when the rotating speed of the adjusting roller and the material lifting roller is relatively small is avoided; the condition that the coating is not easy to be brought to a coating roller when the rotating speed is high is avoided; the material lifting roller is not beneficial to lifting materials by the material lifting roller when the rotating speed of the coating roller is smaller; when the size of the product is larger, the material lifting roller cannot play a role in leveling the coating, and is not beneficial to surface control of the product; the proper rotating speed ratio is set, so that the processing quality of the product is improved;

2. in the scheme, when the screw is matched with different threaded holes in the sector plate, the included angle between the upper surface of the angle iron and the horizontal plane is different, so that the inclination degree of the paint box is changed, and the flow rate of the paint is adjusted;

3. this scheme sets up the filter hopper and filters the coating that gets into in the coating box to this impurity in eliminating the coating is to the influence of coating, the even degree when ensureing coating.

Drawings

FIG. 1 is a schematic view of the overall structure of the embodiment;

FIG. 2 is a schematic sectional view of the embodiment;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1;

fig. 4 is an exploded structure diagram of the feeding assembly in the embodiment.

In the figure: 1. a frame; 11. a lifting seat; 12. a vertical screw; 13. a handle; 14. a bearing seat; 2. a forward coating assembly; 21. a leveling roller; 22. a material lifting roller; 23. a coating roll; 24. a transfer roller; 25. a guide roller; 26. a tension adjustment assembly; 261. a chute; 262. a slider; 263. a cylinder; 264. a tension roller; 27. a back coating assembly; 271. back coating the disc; 272. a belt roll; 273. back coating roller; 3. a feeding assembly; 30. a support; 31. a transverse plate; 311. a circular hole; 312. a strip-shaped groove; 32. a paint cartridge; 321. a discharge port; 33. angle iron; 331. a sector plate; 34. a filter hopper; 35. a baffle; 4. a feed pipe; 5. a drive assembly; 51. a first motor; 52. a first drive gear; 53. a second driven gear; 54. a third driven gear; 55. a second motor; 56. a second driving gear; 57. a third driven gear; 6. a tray; 61. a recovery pipe; 62. a squeegee; 63. a filler tube.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, a roller coating machine for processing color plates comprises a frame 1, wherein the frame 1 is composed of two vertical rectangular plates, and a transmission roller 24 for transmitting steel plates, a front coating assembly 2 for coating the front surfaces of the steel plates, a back coating assembly 27 for coating the back surfaces of the steel plates and a feeding assembly 3 for supplying coating are arranged on the frame 1. The transmission roller 24 is rotatably connected to the middle of the frame 1, and the front coating assembly 2 and the back coating assembly 27 are respectively arranged at two sides of the transmission roller 24.

As shown in fig. 2 and 3, the coating unit 2 includes a leveling roll 21, a lifting roll 22, and a coating roll 23. The adjusting roller 21 is located on one side of the frame 1 where the steel plate is fed, the lifting seats 11 are fixed on two sides of the frame 1, the bearing seats 14 are installed on the lifting seats 11, the bearing seats 14 are connected with the lifting seats 11 in a sliding mode through two guide rods, and two ends of the adjusting roller 21 are rotatably connected with the bearing seats 14. The middle part of the lifting seat 11 is provided with an opening, and a vertical screw 12 is arranged in the opening. The vertical screw 12 is vertically arranged, the middle part of the vertical screw is in threaded connection with the top of the lifting seat 11, the top part of the vertical screw is in rotary connection with the bottom of the bearing seat 14, and the bottom of the vertical screw is provided with a handle 13 convenient for an operator to rotate. When the vertical screw 12 rotates, the vertical screw 12 moves in the vertical direction, and the bearing seat 14 mounted at the top of the vertical screw 12 ascends and descends, so that the height of the adjusting roller 21 is adjusted, the distance between the adjusting roller 21 and the material lifting roller 22 is changed, and the purpose of adjusting the thickness of the coating is achieved.

The lifting roller 22 is positioned at one side of the adjusting roller 21 which is deviated to the back coating component 27, and two ends of the lifting roller are rotatably connected to the frame 1. The coating roller 23 is positioned between the lifting roller 22 and the transmission roller 24, and two ends of the coating roller are rotatably connected with the frame 1 and used for coating the coating on the lifting roller 22 to the front surface of the steel plate. The lower side of the transmission roller 24 is provided with a guide roller 25, and two ends of the guide roller 25 are rotatably connected with the frame 1 to guide the transmission of the steel plate. In the embodiment, the rotation speed ratio between the adjusting roller 21 and the material lifting roller 22 is 0.3 to 0.9; the ratio of the rotation speed between the material lifting roll 22 and the coating roll 23 is 0.3 to 0.4.

As shown in fig. 3 and 4, the feeding assembly 3 (see fig. 1) includes a bracket 30, a cross plate 31, a paint cartridge 32, an angle iron 33, a filter hopper 34, and a deflector 35. The bracket 30 is a rod-shaped structure and is inserted and matched on the top of the bearing seat 14. The horizontal plate 31 is a rectangular plate structure, and two ends of the horizontal plate are fixed to the top of the bracket 30. The paint cartridge 32 has a rectangular parallelepiped shape, is hollow, and has an opening on its upper surface for receiving paint, and the paint cartridge 32 is placed in the middle of the upper surface of the horizontal plate 31. A discharge hole 321 is arranged on one side of the paint box 32 facing the material lifting roller 22, and a strip-shaped groove 312 for paint to pass through is arranged on the transverse plate 31.

The angle iron 33 is located between the cross plate 31 and the paint cartridge 32, and has an L-shaped cross section. The top surface of the angle iron 33 is horizontal and fixed with the paint box 32, the surface of the side wall is vertical and is provided with a threaded hole, the inner wall of the strip-shaped groove 312 is also provided with a threaded hole, a sector plate 331 is further arranged between the angle iron 33 and the strip-shaped groove 312, the sector plate 331 is sector-shaped, one narrow end of the end part of the sector plate 331 is provided with a threaded hole, the other end of the sector plate 331 is provided with a plurality of threaded holes distributed around the threaded hole, and the threaded holes can be matched with screws in. When the screw is engaged with a different screw hole of the sector plate 331, the angle iron 33 is fixed to the cross plate 31, and the angle between the upper surface of the angle iron 33 and the horizontal plane is different, thereby changing the inclination of the paint cartridge 32 and adjusting the flow rate of the paint.

The horizontal plate 31 is provided with round holes 311 uniformly distributed so that the coating splashed on the horizontal plate 31 can drop. The deflector 35 is fixed in the middle of one side edge of the transverse plate 31 facing the lifting roller 22, and the bottom of the deflector is inclined to the adjusting roller 21. The deflector 35 is used for guiding the coating flowing out from the discharge port 321 to the adjusting roller 21, so that the coating is prevented from directly falling down and splashing to the lifting roller 22 and the coating roller 23 to cause uneven distribution of the coating.

The frame 1 is further provided with a feed pipe 4, and one end of the feed pipe 4 extends into the paint cartridge 32 to feed the paint cartridge 32. The filter hopper 34 is rectangular and is placed inside the paint cartridge 32, and the top of the filter hopper 34 has a flange that abuts against the top edge of the paint cartridge 32, and a handle is fixed to the flange. The filter hopper 34 can filter the paint fed from the feed pipe 4 into the paint cartridge 32, so as to eliminate the influence of impurities in the paint on the paint and ensure the uniformity of the paint during coating; the flanges and handles facilitate the operator's removal of the filter bowl 34 for cleaning or replacement after the process is complete.

As shown in fig. 1, the back coating assembly 27 includes a back coating pan 271, a take-up roll 272, and a back coating roll 273. The back coating disc 271 is fixed on one side of the frame 1 far away from the front coating assembly 2, and a filling pipe 63 for filling the frame 1 with coating is arranged on the frame 1. Referring to FIG. 3, the cross-section of the bottom of the back coating plate 271 is V-shaped, so as to reduce the amount of coating used in a single process. The belt material roller 272 is located on the upper side of the back coating disc 271, and two ends of the belt material roller are rotatably connected to the machine frame 1. The backing roll 273 is positioned above the side of the take-up roll 272 facing the front coating module 2 and is rotatably connected at both ends to the frame 1. The bottom of the back coating disc 271 is also communicated with a return pipe for recovering the coating in the back coating disc 271 after the steel plate is processed.

As shown in fig. 1 and 3, the frame 1 is further provided with a driving assembly 5, and the driving assembly 5 includes a first motor 51, a first driving gear 52, a second driven gear 53, a third driven gear 5754, a second motor 55, a second driving gear 56, and a third driven gear 5754. The first motor 51 is fixed on one side of the frame 1 close to the adjusting roller 21, and the output shaft thereof is fixed with the first driving gear 52 and the adjusting roller 21; the first driven gear is positioned between the rack 1 and the lifting roller 22 and is coaxially fixed with the lifting roller 22; the second driven gear 53 is positioned between the machine frame 1 and the coating roller 23 and is coaxially fixed with the coating roller 23, and the first driven gear is meshed with the first driving gear 52 and the second driven gear 53. The second motor 55 is fixed on one side of the frame 1 close to the material carrying roller 272, and the output shaft thereof is fixed with the second driving gear 56 and the material carrying roller 272; a third driven gear 5754 is located between the back coating roller 273 and the frame 1 and fixed coaxially with the back coating roller 273, and the third driven gear 5754 is engaged with the second driving gear 56. The driving assembly 5 provides power to the front coating assembly 2 and the back coating assembly 27, thereby ensuring smooth coating work.

As shown in fig. 1, the frame 1 is further provided with a tension adjusting assembly 26, and the tension adjusting assembly 26 is located between the back coating assembly 27 and the front coating assembly 2 and includes a chute 261, a slider 262, an air cylinder 263 and a tension roller 264. The sliding groove 261 is provided on the frame 1, and the extending direction thereof coincides with the height direction of the frame 1. The sliding block 262 is connected with the sliding groove 261 in a sliding mode, the air cylinder 263 is fixed with the frame 1, and the piston rod of the air cylinder 263 is fixed with the bottom of the sliding block 262. The tension roller 264 is rotatably connected between the sliding blocks 262 at both sides of the frame 1, and the bottom thereof is abutted against the front surface of the steel plate. When the cylinder 263 is started, the cylinder 263 pushes the slider 262 to move up and down along the chute 261, and at the same time, the tension roller 264 moves up and down along with the slider, and the pressure of the tension roller 264 on the steel plate is changed along with the slider, so that the tension of the steel plate in the transmission process is changed, and the steel plate has enough tension to smoothly perform the coating work.

As shown in FIG. 2, a tray 6 is further mounted on the frame 1, the tray 6 is located at the lower side of the front coating assembly 2, and two ends of the tray 6 are fixed with the frame 1. The tray 6 is used for receiving the coating dropped from the lifting roller 22, the adjusting roller 21 and the coating roller 23, and the bottom of the tray is funnel-shaped and communicated with a recovery pipe 61, so that the coating is convenient to recycle. A scraper 62 is fixed on the inner side wall of the tray 6, and the top of the scraper 62 is abutted against the bottom of the coating roller 23, so that the residual coating material coated by the coating roller 23 is scraped off, and the uniformity of the coating material on the coating roller 23 is further ensured.

In the embodiment, when the steel plate enters from the side of the frame 1 provided with the feeding assembly 3, the steel plate is conveyed to a position between the conveying roller 24 and the front coating assembly 2 through the turning direction of the guide roller 25, at the moment, the coating in the feeding pipe 4 falls into the coating box 32 and flows into a position between the adjusting roller 21 and the lifting roller 22 through the discharge port 321 of the coating box 32, the adjusting roller 21 and the lifting roller 22 uniformly extrude the coating, and then the steel plate is rotated to the coating roller 23, and the coating roller 23 coats the coating on the front surface of the steel plate; the steel plate passes through the tension roller 264 and then is conveyed to the back coating assembly 27, at the moment, the material carrying roller 272 transfers the coating to the back coating roller 273, and the back coating roller 273 coats the coating on the back of the steel plate, so that the coating work of the two sides of the steel plate is completed.

In the process, the rotating speed ratio between the adjusting roller 21 and the material extracting roller 22 is set to be 0.3-0.9, the rotating speed ratio between the material extracting roller 22 and the coating roller 23 is set to be 0.3-0.4, and when the rotating speed of the adjusting roller 21 and the material extracting roller 22 is relatively small, the coating is not easy to disperse, and the aim of reducing the generation of flooding can not be achieved; when the rotation speed ratio of the adjusting roller 21 to the material lifting roller 22 is large, the paint is not easily brought to the coating roller 23, and the coating cannot be ensured. The material lifting roller 22 is not beneficial to lifting the materials by the material lifting roller 22 when the rotating speed of the coating roller 23 is smaller; when the rotating speed ratio of the material lifting roller 22 to the coating roller 23 is large, the material lifting roller 22 cannot play a role in leveling the coating and is not beneficial to surface control of the product; the embodiment improves the price quality of the product by setting a proper rotating speed ratio.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a roller coating machine for color plate processing, includes frame (1), be equipped with on frame (1) and just scribble subassembly (2) and be used for transmitting transmission roller (24) of steel sheet, just scribble subassembly (2) including rotate adjusting roller (21), the material lifting roller (22) and the coating roller (23) of connection in frame (1) in proper order, still be equipped with on frame (1) and throw coating material to material loading subassembly (3) between adjusting roller (21) and material lifting roller (22), characterized by: the rotating speed ratio between the adjusting roller (21) and the material lifting roller (22) is 0.3-0.9; the rotating speed ratio between the material lifting roller (22) and the coating roller (23) is 0.3-0.4.

2. The roll coater for color plate processing according to claim 1, wherein: material loading subassembly (3) include with frame (1) fixed support (30), be fixed with diaphragm (31) on support (30), diaphragm (31) upper surface middle part is fixed with scribbles paint cartridge (32) that store coating, scribble paint cartridge (32) bottom and be equipped with discharge gate (321), set up strip groove (312) that supply the coating in discharge gate (321) to pass on diaphragm (31).

3. The roll coater for color plate processing according to claim 2, wherein: scribble paint box (32) with be equipped with angle bar (33) between diaphragm (31), angle bar (33) upper surface is fixed with scribble paint box (32), angle bar (33) side is fixed with sector plate (331), angle bar (33) with two screw holes have all been seted up on bar groove (312) inner wall, just a plurality of screw holes have been seted up on sector plate (331), and a plurality of screw holes encircle the distribution around its screw hole, common threaded connection has the screw on the screw hole.

4. The roll coater for color plate processing according to claim 2, wherein: a filter funnel (34) is arranged in the paint box (32), the top of the filter funnel (34) is provided with a flange which is abutted against the top edge of the paint box (32), and a handle is fixed on the flange.

5. The roll coater for color plate processing according to claim 2, wherein: a guide plate (35) is fixed on the edge of one side of the transverse plate (31) close to the coating roller (23), and the edge of the bottom of the guide plate (35) inclines to the adjusting roller (21).

6. The roll coater for color plate processing according to claim 1, wherein: frame (1) is last to be fixed with lift seat (11), be fixed with the confession on lift seat (11) bearing frame (14) that adjusting roller (21) rotated the connection, go back threaded connection on lift seat (11) has a vertical screw rod (12), vertical screw rod (12) top with bearing frame (14) bottom is rotated and is connected, handle (13) are installed to vertical screw rod (12) bottom.

7. The roll coater for color plate processing according to claim 1, wherein: a tray (6) for carrying paint is fixed on the rack (1), and the bottom of the tray (6) is communicated with a recovery pipe (61).

8. The roll coater for color plate processing according to claim 7, wherein: a scraper (62) is fixed on the inner side wall of the tray (6), and the top of the scraper (62) is abutted against the bottom of the coating roller (23).