CN210121541U - Three-roller coater for color plate production - Google Patents

Abstract

The utility model relates to a colored steel processing technology field discloses a three-roller roll coater is used in colored steel production, including the frame, be equipped with in the frame and just scribble the subassembly and be used for the transmission roller of transmission, just scribble the subassembly including rotating the adjusting roll of connection in the frame, carry material roller and coating roll, still be equipped with the material loading subassembly in the frame, the material loading subassembly includes the support fixed with the frame, is fixed with the diaphragm that the slope set up on the support, and diaphragm upper surface middle part is fixed with scribbles the cartridge, scribbles the cartridge bottom and is equipped with the discharge gate, sets up the bar groove that supplies coating to pass on the diaphragm. 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 defects of floating color, color lines, particle lines and the like caused by tray type lower feeding are avoided, and the processing quality is improved; and among the prior art, the coating in the coating dish can't directly drop into in the production of next time after the steel sheet coating is accomplished, often directly topples over and leads to the waste, and this scheme has reduced the quantity of coating, has reached the purpose of practicing thrift manufacturing cost.

Description

Three-roller coater for color plate production

Technical Field

The utility model relates to a color plate processing technology field, in particular to three-roller roll coater is used in color plate production.

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. The color plate is a product which is prepared by using a cold-rolled steel plate and a galvanized steel plate as substrates, performing surface pretreatment (degreasing, cleaning and chemical conversion treatment), continuously coating a coating (roll coating method), baking and cooling. 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 mode of dipping paint from the paint tray needs to put enough paint in the paint tray to submerge the bottom of the material carrying roller, and the mode cannot effectively utilize the paint at the bottom of the paint tray, and cannot be directly used after production, thereby causing paint waste. Therefore, a three-roller coater for producing color plates is needed, which has the functions of reducing the coating consumption and saving the production cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a three-roller roll coater is used in colored steel production, has the effect that reduces the coating quantity, practices thrift manufacturing cost to the not enough of prior art existence.

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

the utility model provides a three-roller roll coater is used in colored steel production, includes the frame, be equipped with in the frame and just scribble the subassembly and be used for the transmission roller of transmission steel sheet, just scribble the subassembly including rotating adjustment roller, carrying material roller and the coating roll of connection in the frame in proper order, still be equipped with in the frame and throw coating to adjustment roller and carrying the material loading subassembly between the material roller, the material loading subassembly include with the support that the frame is fixed, be fixed with the diaphragm that the slope set up on the support, diaphragm upper surface middle part is fixed with the coating box of storing coating, coating box 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.

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, so that the lower feeding mode in the prior art is changed, 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 processing quality is improved; and among the prior art, the coating in the coating disc can't directly drop into in the production of next time after the steel sheet coating is accomplished, and inconvenient clearance often directly emptys, leads to the waste, and this scheme has reduced the quantity of coating in one-time processing, has reduced the waste, has reached the purpose of practicing thrift manufacturing cost.

The utility model discloses further set up to, be fixed with the tray that is used for accepting coating in the frame, the tray bottom is infundibulate and the 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, thereby further reduce the waste of coating, practice thrift 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 further practiced thrift manufacturing cost.

The utility model discloses further set up to, the slot has been seted up to coating cartridge one side, the cooperation of pegging graft has the filter in the slot, the exerted edge of filter is upwards protruding.

By adopting the technical scheme, the detachable filter plate is arranged on the coating, and the filter plate filters the coating entering the coating box, so that the influence of impurities in the coating on the coating is eliminated, and the uniformity degree of the coating is ensured; the setting of flange is convenient for operating personnel and takes out the filter after processing is accomplished in order to wash or change 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, be fixed with on the slot lateral wall with tight sealing strip is supported on the filter surface.

Through adopting above-mentioned technical scheme, utilize the gap between sealing strip shutoff filter and the slot to this avoids coating to leak to the coating box outside from the slot, thereby avoids the loss of coating, practices thrift the coating cost.

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 equipped with tension adjusting assembly in the frame, tension adjusting assembly 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.

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.

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 defects of floating color, color lines, particle lines and the like caused by tray type lower feeding are avoided, and the processing quality is improved; in the prior art, the coating in the coating pan cannot be directly put into the next production after the coating of the steel plate is finished, and is often directly poured to cause waste, so that the scheme reduces the using amount of the coating and achieves the aim of saving the production cost;

2. according to the scheme, the detachable filter plate is arranged on the coating, and the filter plate filters the coating entering the coating box, so that the influence of impurities in the coating on the coating is eliminated, and the uniformity degree of the coating during coating is ensured;

3. this scheme utilization sealing strip shutoff gap between filter and the slot to this avoids coating to leak to the coating box outside from the slot, thereby avoids the loss of coating, practices thrift the coating cost.

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; 322. a slot; 323. a sealing strip; 33. angle iron; 34. a filter plate; 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 three-roll coater for color plate production comprises a frame 1, wherein the frame 1 is composed of two vertical rectangular plates, and the frame 1 is provided with a transmission roll 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 a coating material. 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 plate 34, and a baffle 35. The bracket 30 is a rod-shaped structure and is inserted and matched on the top of the bearing seat 14. The transverse plate 31 is a rectangular plate-shaped structure, two ends of the transverse plate 31 are fixed to the top of the bracket 30, the transverse plate 31 is obliquely arranged, and the height of one side edge of the transverse plate 31 close to the adjusting roller 21 is lower. 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 cartridge 32, the side wall surface 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, and the threaded hole can be matched with the screw thread, so that the angle iron 33 is fixed with the transverse plate 31.

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 plate 34 is a rectangular plate structure, and filter holes are uniformly distributed on the filter plate. The side wall of the paint cartridge 32 opposite to the adjusting roller 21 is provided with a slot 322, and the filter plate 34 is inserted and matched with the slot 322. The side wall of the slot 322 is fixed with a sealing strip 323 which is tightly pressed against the surface of the filter plate 34, so as to seal the gap between the filter plate 34 and the slot 322, and prevent the paint from leaking from the slot 322 to the outside of the paint box 32. The side edge of the filter panel 34 that is exposed outside the paint cartridge 32 is raised upwardly so that the operator can remove the filter panel 34 for cleaning or replacement after the process is completed.

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 defects of floating color, color lines, particle lines and the like caused by tray 6 type lower feeding are avoided by the upper feeding mode, and the processing quality is improved; and among the prior art, the coating in the coating disc can't directly drop into in the production of next time after the steel sheet coating is accomplished, and inconvenient clearance often directly emptys, leads to the waste, and this scheme has reduced the quantity of coating in one-time processing, has reduced the waste, has reached the purpose of practicing thrift manufacturing cost.

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 (8)

1. The utility model provides a three-roller roll coater is used in colored steel production, 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 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 support (30), be fixed with diaphragm (31) that the slope set up on support (30), diaphragm (31) upper surface middle part is fixed with scribbles cartridge (32) that store coating, scribble 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).

2. The three-roll coater for color plate production according to claim 1, wherein: the paint collecting machine is characterized in that a tray (6) used for receiving paint is fixed on the rack (1), and the bottom of the tray (6) is funnel-shaped and is communicated with a recovery pipe (61).

3. The three-roll coater for color plate production according to claim 2, 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).

4. The three-roll coater for color plate production according to claim 1, wherein: a slot (322) is formed in one side of the paint box (32), a filter plate (34) is inserted and matched in the slot (322), and the exposed edge of the filter plate (34) protrudes upwards.

5. The three-roll coater for color plate production according to claim 4, wherein: and a sealing strip (323) which is tightly abutted against the surface of the filter plate (34) is fixed on the side wall of the slot (322).

6. The three-roll coater for color plate production according to claim 1, 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).

7. The three-roll coater for color plate production 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.

8. The three-roll coater for color plate production according to claim 1, wherein: be equipped with tension adjusting part (26) on frame (1), tension adjusting part (26) is including seting up 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).

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