CN210121548U - Paint recovery system of roller coater - Google Patents

Abstract

The utility model relates to a roller coat technical field discloses a roller coat machine coating recovery system, which comprises a frame, be equipped with in the frame and just scribble the subassembly, transmission roller and material loading subassembly, just scribble the subassembly including rotating the adjusting roll of connection in the frame, carry material roller and coating roll, the material loading subassembly includes the diaphragm fixed with the frame, be fixed with the coating cartridge on the diaphragm, the coating cartridge bottom is equipped with the discharge gate, set up the bar groove that supplies coating to pass on the diaphragm, be fixed with the tray of accepting the coating usefulness in the frame, tray bottom intercommunication has the accumulator, accumulator one end intercommunication has the collecting box, be fixed with on the collecting box and communicate with each other with the inlet pipe diaphragm pump. According to the scheme, the coating box is used for pouring the coating between the adjusting roller and the material lifting roller from the upper side, so that the floating color defect caused by tray type lower feeding is avoided; and the tray and the recovery pipe are arranged to recover the coating dropped on the material lifting roller, the adjusting roller and the coating roller into the collecting box for repeated use, so that the cyclic utilization of the coating is realized, and the production cost is saved.

Description

Paint recovery system of roller coater

Technical Field

The utility model relates to a roller coat technical field, in particular to roller coat machine coating recovery system.

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 scheme has the following defects: the coating in the coating disc can not be directly put into the next production after the coating of the steel plate is finished, and the coating is inconvenient to clean and often directly topples over, so that the waste is caused. Therefore, a paint recycling system of a roller coater is needed, which has the function of recycling paint, realizes the recycling of the paint and saves the production cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a roller coat machine coating recovery system has recoverable coating's function, realizes the cyclic utilization of coating, practices thrift manufacturing cost to prior art exists not enough.

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

a paint recovery system of a roller coater comprises a rack, wherein a front coating assembly, a back coating assembly and a transmission roller for transmitting a steel plate are arranged on the rack, the front coating assembly comprises an adjusting roller, a material lifting roller and a coating roller which are sequentially connected onto the rack in a rotating manner, a feeding assembly for feeding paint between the adjusting roller and the material lifting roller is further arranged on the rack, the feeding assembly comprises a transverse plate fixed with the rack, a paint box for storing the paint is fixed in the middle of the upper surface of the transverse plate, a feeding pipe is communicated with the paint box, a discharging port is arranged at the bottom of the paint box, a strip-shaped groove for the paint in the discharging port to pass through is formed in the transverse plate, a tray for bearing the paint is fixed on the rack, a recovery pipe is communicated with the bottom of the tray, one end of the recovery pipe is communicated with a collecting box, and a diaphragm pump for pumping the paint is fixed on the collecting box, the diaphragm pump is communicated with the feeding pipe.

By adopting the technical scheme, the coating is poured between the adjusting roller and the material lifting roller from the upper part by the coating box, the lower feeding mode in the prior art is changed, and the defects of floating color, color lines, particle lines and the like caused by tray type lower feeding are avoided by adopting the upper feeding mode; and the tray and the recovery pipe are arranged to recover the coating dropped on the material lifting roller, the adjusting roller and the coating roller into the collecting box for repeated use, so that the cyclic utilization of the coating is realized, and the production cost is saved.

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 further practiced thrift manufacturing cost.

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, maintained the filter effect of filter hopper.

The utility model discloses further set up to, the cladding of inlet pipe tip has the one deck filter screen, be fixed with the rubber band on the filter screen, the confession has been seted up on the inlet pipe outer wall the ring channel of rubber band crimple.

By adopting the technical scheme, the end part of the feeding pipe is coated with the filter screen, and the filter screen preliminarily filters the coating in the feeding pipe so as to preliminarily eliminate the influence of impurities in the coating on the coating; and the rubber band and the annular groove are matched to ensure that the filter screen can be disassembled, so that the filter screen can be replaced or cleaned by operators at regular intervals, the service life of the filter screen is prolonged, and the filtering effect of the filter screen is maintained.

The utility model discloses further set up to, the subassembly is scribbled including fixing the dish is scribbled to the back in the frame, rotate in the frame be connected with be used for being stained with the area material roller and the bottom of scribbling the interior coating of dish and the back of taking the material roller to contradict scribble the roller, scribble the roller top with the steel sheet back of the body and contradict, the intercommunication has and sends into coating on the diaphragm pump scribble the filler tube in the dish, still the intercommunication on the collecting box have with the back flow of dish intercommunication is scribbled to the back.

By adopting the technical scheme, the coating on the back surface of the steel plate is realized by utilizing the combination of the back coating disc, the material carrying roller and the back coating roller, so that the function of the roller coater is increased, the steel plate does not need to be coated after being turned over, and the production efficiency is improved; and the coating in the back coating disc also achieves the effect of recycling through the filler pipe and the return pipe.

The utility model discloses further set up as, be equipped with drive assembly in the frame, drive assembly includes first motor and the second motor of fixing in the frame, be fixed with on the output shaft of first motor with the first driving gear of adjusting roll coaxial fixation, the material lifting roller with the coating roll tip is coaxial fixed with first driven gear, second driven gear respectively, first driven gear meshes with first driving gear, second driven gear all; a second driving gear coaxially fixed with the material carrying roller is fixed on an output shaft of the second motor, and a third driven gear meshed with the second driving gear is coaxially fixed at one end of the back coating roller.

Through adopting above-mentioned technical scheme, the setting is by first motor, first driving gear, second driven gear, third driven gear, second motor, second driving gear and the drive assembly that third driven gear constitutes for just scribbling the subassembly and back of the body scribble the subassembly and provide power to this ensures going on smoothly of coating work, accelerates production speed.

The utility model discloses further set up as, back of the body scribbles the dish bottom cross-section and is the V-arrangement.

By adopting the technical scheme, the bottom section of the back coating plate is arranged to be V-shaped, so that the input amount of the coating in single processing is reduced, the coating is favorable for refluxing, and the production cost is saved.

The utility model discloses further set up to, just scribble the subassembly with be equipped with tension adjusting part between the subassembly is scribbled to the back of the body, tension adjusting part is including seting up spout in the frame, it is connected with the slider to slide on the spout, be fixed with the cylinder in the frame, the piston rod of cylinder with surface fixing under the slider, it is connected with the tension roller to rotate between the slider, the tension roller bottom is contradicted with the steel sheet is positive.

Through adopting above-mentioned technical scheme, when the cylinder starts, promote the slider and reciprocate along the spout, the tension roll reciprocated thereupon this moment to this pressure of adjusting the tension roll to the steel sheet, the tension of change steel sheet in transmission process, make the steel sheet have sufficient tension so that the smooth of coating work goes on.

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, the collecting box top articulates there is the flip that is used for supplementing coating, be fixed with the handle on the flip.

Through adopting above-mentioned technical scheme, set up flip on the collecting box to this coating in the operating personnel looks over the collecting box in the coating in service behavior of being convenient for, ensures that coating is sufficient, thereby ensures the smooth processing of steel sheet.

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

1. according to the scheme, the coating box is used for pouring the coating between the adjusting roller and the material lifting roller from the upper side, so that the floating color defect caused by tray type lower feeding is avoided; the tray and the recovery pipe are arranged to recover the coating dropped on the material lifting roller, the adjusting roller and the coating roller into the collection box for reuse, so that the cyclic utilization of the coating is realized, and the production cost is saved;

2. according to the scheme, the back coating disc, the material carrying roller and the back coating roller are combined to coat the back of the steel plate, so that the function of the roller coater is increased, the steel plate does not need to be coated after being turned over, and the production efficiency is improved; the coating in the back coating disc also achieves the effect of recycling through the filler pipe and the return pipe;

3. the bottom section of the back coating plate is arranged to be V-shaped, so that the input amount of the coating during single processing is reduced, the coating backflow is facilitated, and the production cost is saved.

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; 41. a filter screen; 42. a rubber band; 43. an annular groove; 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 collection box; 631. a cover is turned; 64. a diaphragm pump; 65. a filler tube; 66. a return pipe.

Detailed Description

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

As shown in fig. 1, the paint recycling system of the roller coater comprises a frame 1, wherein the frame 1 is composed of two vertical rectangular plates, and a transmission roller 24 for transmitting a steel plate, a front coating assembly 2 for coating the front surface of the steel plate, a back coating assembly 27 for coating the back surface of the steel plate and a feeding assembly 3 for supplying paint 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.

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 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 pan 271 is fixed to the side of the frame 1 remote from the front coating unit 2. 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 66 for recovering the coating in the back coating disc 271.

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. 1 and 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 to 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.

A collecting box 63 is arranged on one side of the rack 1, the collecting box 63 is communicated with the recovery pipe 61 and the return pipe 66, and the joint of the recovery pipe 61 and the tray 6 is higher than the joint of the recovery pipe 61 and the collecting box 63; the connection of the return pipe 66 to the backing plate 271 is higher than the connection of the return pipe 66 to the collection tank 63. A flip cover 631 is disposed on the collection tank 63, the area of the flip cover 631 is the same as the area of the upper surface of the collection tank 63, and a handle is provided on the flip cover 631 so that an operator can supplement paint. The collection box 63 is also fixed with a diaphragm pump 64, and the bottom of the diaphragm pump 64 is communicated with the collection box 63 and used for pumping the coating in the collection box 63.

The diaphragm pump is also connected to a feed tube 4 and a filler tube 65, one end of the feed tube 4 extending into the paint cartridge 32 for feeding the paint cartridge 32. The bottom of the feeding pipe 4 is coated with a layer of filter screen 41, the filter screen 41 is enclosed into a cylinder shape, a circle of rubber band 42 penetrates through the top of the filter screen 41, and the rubber band 42 has good elasticity. An annular groove 43 is formed in the outer wall of the feeding pipe 4, and the rubber band 42 is clamped in the annular groove 43 after being tightened, so that the filter screen 41 is fixed. The filter screen 41 is used for preliminarily filtering the paint in the feeding pipe 4, so that the influence of impurities in the paint on the paint is preliminarily eliminated. One end of the filling pipe 65 extends into the back coating disc 271, and the end structure of the filling pipe 65 is the same as that of the feeding pipe 4, and the end structure is provided with the filter screen 41.

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 above process, the paint enters the paint box 32 from the feed pipe 4 and enters the back coating pan 271 from the filler pipe 65, so as to provide sufficient paint for the front coating unit 2 and the back coating unit 27; and the tray 6 and the back coating plate 271 are respectively connected with a recovery pipe 61 and a return pipe 66 which are both communicated with the collecting box 63, redundant coating in the coating process enters the collecting box 63 through the recovery pipe 61 and the return pipe 66 to be stored, and is pumped by the diaphragm pump 64 to be conveyed to the coating box 32 and the back coating plate 271 again, so that the flowability of the coating is improved, the aim of recycling the coating is fulfilled, and the production cost is saved.

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 (10)

1. The utility model provides a roller coat machine coating recovery system, includes frame (1), be equipped with on frame (1) and just scribble subassembly (2), back of the body and scribble transmission roller (24) that subassembly (27) and be used for transmitting the 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 to material loading subassembly (3) between adjusting roller (21) and material lifting roller (22), characterized by: material loading subassembly (3) include with frame (1) fixed diaphragm (31), diaphragm (31) upper surface middle part is fixed with storage has the coating box (32) of coating, the intercommunication has inlet pipe (4) on coating box (32), coating box (32) bottom is equipped with discharge gate (321), set up strip groove (312) that supply the coating in discharge gate (321) to pass on diaphragm (31), be fixed with tray (6) that are used for accepting the coating on frame (1), tray (6) bottom intercommunication has recovery tube (61), recovery tube (61) one end intercommunication has collecting box (63), be fixed with diaphragm pump (64) that are used for the pump to send the coating on collecting box (63), diaphragm pump (64) with inlet pipe (4) communicate with each other.

2. The roll coater coating recovery system according to claim 1 further comprising: 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).

3. The roll coater coating recovery system according to claim 1 further comprising: 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.

4. The roll coater coating recovery system according to claim 1 further comprising: the utility model discloses a rubber band, including inlet pipe (4), inlet pipe (4) tip cladding has one deck filter screen (41), be fixed with rubber band (42) on filter screen (41), seted up the confession on inlet pipe (4) outer wall rubber band (42) ring channel (43) that tighten up.

5. The roll coater coating recovery system according to claim 1 further comprising: back coat subassembly (27) including fixed back coat dish (271) in frame (1), rotate on frame (1) and be connected with and be used for being stained with material roller (272) and the bottom of taking of the interior coating of back coat dish (271) and with back coat roller (273) of taking material roller (272) to contradict, back coat roller (273) top is contradicted with the steel sheet back, the intercommunication has on diaphragm pump (64) sends into coating filler pipe (65) in back coat dish (271), still the intercommunication have on collecting box (63) with back flow (66) of back coat dish (271) intercommunication.

6. The roll coater coating recovery system according to claim 5 further comprising: a driving assembly (5) is arranged on the rack (1), the driving assembly (5) comprises a first motor (51) and a second motor (55) which are fixed on the rack (1), a first driving gear (52) which is coaxially fixed with the adjusting roller (21) is fixed on an output shaft of the first motor (51), a first driven gear and a second driven gear (53) are respectively and coaxially fixed at the end parts of the material lifting roller (22) and the coating roller (23), and the first driven gear is meshed with the first driving gear (52) and the second driven gear (53); a second driving gear (56) coaxially fixed with the material carrying roller (272) is fixed on an output shaft of the second motor (55), and third driven gears (57) (54) meshed with the second driving gear (56) are coaxially fixed at one end of the back coating roller (273).

7. The roll coater coating recovery system according to claim 5 further comprising: the cross section of the bottom of the back coating disc (271) is V-shaped.

8. The roll coater coating recovery system according to claim 1 further comprising: just scribble subassembly (2) with be equipped with tension adjusting part (26) between back of the body coating subassembly (27), tension adjusting part (26) is including offering spout (261) on frame (1), it is connected with slider (262) to slide on spout (261), be fixed with cylinder (263) on frame (1), the piston rod of cylinder (263) with slider (262) lower fixed surface, it is connected with tension roller (264) to rotate between slider (262), tension roller (264) bottom is openly contradicted with the steel sheet.

9. The roll coater coating recovery system according to claim 1 further comprising: 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.

10. The roll coater coating recovery system according to claim 1 further comprising: the top of the collecting box (63) is hinged with a turnover cover (631) used for supplementing paint, and a handle is fixed on the turnover cover (631).

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