CN109203655B

CN109203655B - Mahjong coloring device

Info

Publication number: CN109203655B
Application number: CN201810832884.5A
Authority: CN
Inventors: 不公告发明人
Original assignee: Haining Yongxin Technology Consulting Co ltd
Current assignee: Shandong Tiancheng Steel Structure Co ltd
Priority date: 2018-07-26
Filing date: 2018-07-26
Publication date: 2021-06-04
Anticipated expiration: 2038-07-26
Also published as: CN109203655A

Abstract

The invention provides a coloring device for mahjong, and belongs to the technical field of machinery. The coloring device for the mahjong comprises a rack, wherein a plurality of conveying rollers are rotatably arranged on the rack, a placing box for placing the mahjong is arranged on each conveying roller, and three calibrating mechanisms for calibrating the placing box on each conveying roller are arranged on the rack; three coloring mechanisms for spraying and coloring the mahjong surface are arranged on the rack; the coloring mechanism and the calibration mechanism are in one-to-one correspondence, a cleaning box is fixedly arranged on the rack, and a cleaning mechanism for cleaning redundant dye on the surface of the mahjong is arranged in the cleaning box; the lower part of the frame is fixedly provided with a plurality of recycling boxes, and the recycling boxes are positioned below the coloring mechanism. The invention has the advantage of high coloring efficiency.

Description

Mahjong coloring device

Technical Field

The invention belongs to the technical field of machinery, and particularly relates to a coloring device for mahjong.

Background

Mahjong, originated in China, commonly known as sparrows in Guangdong, hong Kong and Australia, is a game and entertainment tool invented by ancient Chinese people, generally a small rectangular block made of bamboo, bone or plastic, is engraved with patterns or characters, 136 mahjong tiles are arranged in each pair in the north, eight mahjong tiles are arranged in the south, and the mahjong tiles are respectively spring, summer, autumn and winter, plum bamboo and orchid, and 144 tiles are counted.

The traditional mahjong surface has corresponding patterns, the lines of the patterns need to be colored, the traditional coloring method adopts manual spraying or automatically colors according to the lines of the patterns through machinery, and the coloring efficiency is low.

Disclosure of Invention

The invention aims to solve the problems in the prior art, provides a mahjong coloring device and solves the problem of low mahjong coloring efficiency.

The purpose of the invention can be realized by the following technical scheme:

the coloring device for the mahjong comprises a rack and is characterized in that a plurality of conveying rollers are rotatably arranged on the rack, a placing box for placing the mahjong is arranged on each conveying roller, and three calibrating mechanisms for calibrating the placing box on each conveying roller are arranged on the rack; the rack is provided with three coloring mechanisms for spraying and coloring the mahjong surface; the coloring mechanism and the calibration mechanism are in one-to-one correspondence, a cleaning box is fixedly arranged on the rack, and a cleaning mechanism for cleaning redundant dye on the surface of the mahjong is arranged in the cleaning box; the lower part of the frame is fixedly provided with a plurality of recycling boxes, and the recycling boxes are positioned below the coloring mechanism.

The working principle of the invention is as follows: the mahjong is orderly placed in the box, the box is placed and the mahjong placed in the box is conveyed to the lower side of the coloring mechanism through the conveying roller, the position of the box is accurately calibrated through the calibrating mechanism, the mahjong is colored through the coloring mechanism, redundant dye can flow into the recycling box and be recycled, the mahjong after being colored enters the cleaning box, the redundant dye on the surface of the mahjong is cleaned through the cleaning mechanism, and then the mahjong is output.

The mahjong tile dyeing machine is provided with three calibration mechanisms and three dyeing mechanisms, and can be used for quickly dyeing according to different colors on mahjong tiles.

The conveying roller is driven to rotate by a driving motor. The placement box can place mahjong outside the conveying roller for placing on the conveying roller, and the mahjong is prevented from being conveyed and dyed on the conveying roller after being placed.

In the mahjong coloring device, the placing box is provided with a box body which is obliquely arranged. The box body that the slope set up can make things convenient for staff's composing, and can let the dyestuff flow from the eminence to low, reduces the residue of mahjong pieces surface dyestuff.

In the coloring device for mahjong, the calibration mechanism comprises a first push rod motor, a second push rod motor, a third push rod motor, a first push plate, a second push plate and a baffle plate, the first push rod motor and the second push rod motor are respectively and fixedly arranged on the frame, the push rod of the first push rod motor and the push rod of the second push rod motor are oppositely arranged, the first push plate is fixed on the push rod of the first push rod motor, the second push plate is fixed on the push rod of the second push rod motor, the first push plate and the second push plate can respectively abut against the two sides of the placing box and enable the placing box to adjust the position, the third push rod motor is fixed on the rack, a push rod of the third push rod motor is vertically upward, the baffle is fixed at the end part of the push rod of the third push rod motor, the third push rod motor can drive the baffle to penetrate into the lower parts of the two conveying rollers and penetrate out of the upper parts of the two conveying rollers, and the first push plate, the second push plate and the baffle form a printing and dyeing area for limiting the movement of the placing box. The third push rod motor is started, the baffle penetrates from the lower parts of the two conveying rollers and penetrates out from the upper part, the placing box stops moving after the baffle is touched, at the moment, the first push rod motor and the second push rod motor are started, the placing box is pushed to the middle position through the first push plate and the second push plate, and the placing box is kept fixed in the printing and dyeing area. The coloring mechanism can be more accurate when coloring the mahjong.

In the mahjong coloring device, the coloring mechanism comprises a first printing plate, a second printing plate, a third printing plate and a lifting plate, the lifting plate is connected and fixed on the upper part of the rack through the lifting mechanism, the first printing plate, the second printing plate and the third printing plate are fixedly connected with the lifting plate through fixing support rods in sequence, the first printing plate, the second printing plate and the third printing plate are positioned right above the conveying roller, and the first printing plate, the second printing plate and the third printing plate are respectively in one-to-one correspondence with the positions of the three calibration mechanisms on the rack; the printing and dyeing plate I, the printing and dyeing plate II and the printing and dyeing plate III are respectively provided with a through hole I, a through hole II and a through hole III which correspond to colors of dyes required on mahjong tiles, the inner surfaces of the printing and dyeing plate I, the printing and dyeing plate II and the printing and dyeing plate III are fixedly provided with leak-proof silica gel arranged along the edges of the through holes, and the surfaces of the printing and dyeing plate I, the printing and dyeing plate II and the printing and dyeing plate III are dip-dyed with oleophobic surface coatings; and the lifting plate is provided with a spraying mechanism for spraying dyes on the dyeing plate I, the dyeing plate II and the dyeing plate III.

The working principle of the mechanism is as follows: and starting the lifting mechanism to enable the first printing plate, the second printing plate and the third printing plate on the lifting plate to move downwards and press the mahjong placed in the box, after the mahjong is completely pressed, spraying corresponding dyes on the first printing plate, the second printing plate and the third printing plate through the spraying mechanism, enabling the dyes to flow to the lower end from the higher ends of the first printing plate, the second printing plate and the third printing plate, enabling part of the dyes to flow into the gullies of the mahjong, enabling the redundant dyes to flow into the recycling box, and dyeing the corresponding dyeing area on each mahjong.

The mechanism has the characteristic of efficient dyeing, the dyeing efficiency is greatly improved, and the small surfaces of the first printing and dyeing plate, the second printing and dyeing plate and the third printing and dyeing plate can prevent dye from flowing into other gullies of the mahjong tiles. The surface coating can prevent the dye from being stuck on the first printing plate, the second printing plate and the third printing plate. The positions of the through holes formed in the first printing plate, the second printing plate and the third printing plate are different and sequentially correspond to areas needing to be dyed on the mahjong tiles, and the first printing plate, the second printing plate and the third printing plate sequentially correspond to one color.

In the coloring device for the mahjong, a first sensor is fixedly arranged on the lower surfaces of the first printing plate, the second printing plate and the third printing plate, a second sensor which can correspond to the first sensor is fixedly arranged on the placing box, and the first sensor and the second sensor start spraying after contacting. The dyeing method can prevent the inner surfaces of the first printing plate, the second printing plate and the third printing plate from being dyed with dyes by spraying the dyes on the first printing plate, the second printing plate and the third printing plate when no box is placed at the lower parts of the first printing plate, the second printing plate and the third printing plate.

In the coloring device for the mahjong, the first printing plate, the second printing plate and the third printing plate are obliquely arranged, and the first printing plate, the second printing plate and the third printing plate are parallel to the box body. Make things convenient for the flow of dyestuff, effectual surplus dyestuff flow direction accumulator.

In the coloring device for mahjong, the lower ends of the first printing plate, the second printing plate and the third printing plate are provided with the drainage plates. The arrangement of the drainage plate can prevent dye from flowing into the placing box.

In the coloring device for mahjong, the surface coating is a nano silicon dioxide coating. The nano silicon dioxide has better oleophobic property, mature technology, relatively low price and more convenient subsequent repair.

In the coloring device for mahjong, the lifting mechanism comprises a plurality of hydraulic cylinders I, the hydraulic cylinders I are fixedly arranged on the upper portion of the rack, piston rods of the hydraulic cylinders I are vertically downward, and the lifting plate is fixed at the end portions of the piston rods of the hydraulic cylinders I. And when the hydraulic cylinder is started, the lifting plate can be driven to lift up and down.

In the coloring device for mahjong, the spraying mechanism comprises a first dye box, a second dye box, a third dye box, a first spray pipe, a second spray pipe and a third spray pipe, wherein the first dye box, the second dye box and the third dye box are respectively fixed on the uppermost part of the rack, the first spray pipe is fixed at the highest end of the first printing and dyeing plate, the second spray pipe is fixed at the highest end of the second printing and dyeing plate, the third spray pipe is fixed at the highest end of the third printing and dyeing plate, the first dye box, the second dye box and the third dye box are sequentially connected with the first spray pipe, the second spray pipe and the third spray pipe through the first feed conveying pipe, and the first feed conveying pipe is provided with a first constant flow. And when the constant flow pump is started, the dye in the dye box is conveyed into the first spray pipe and is sprayed out of the first spray pipe, the second spray pipe and the third spray pipe onto the corresponding first printing and dyeing plate, the second printing and dyeing plate and the third printing and dyeing plate. The dye can be efficiently sprayed on the first printing and dyeing plate, the second printing and dyeing plate and the third printing and dyeing plate through the spray pipes, the first printing and dyeing plate, the second printing and dyeing plate and the third printing and dyeing plate can be completely covered by the dye, and the dye enters all through holes.

In the coloring device for the mahjong, the dye box I, the dye box II and the dye box III are sequentially connected with the recovery box on the rack through the conveying pipe II, and the conveying pipe II is provided with the constant flow pump II. And after the redundant dye flows into the corresponding recovery box, the dye is conveyed into the first dye box, the second dye box and the third dye box again through the second constant flow pump. The dye can be recycled.

In the mahjong coloring device, the cleaning mechanism comprises a cotton belt, a first roller, a second roller, an auxiliary roller, a lifting frame and a hydraulic cylinder II, wherein the first roller and the second roller are rotatably arranged in a cleaning box, a first motor is fixedly arranged in the cleaning box, an output shaft of the first motor is connected with the first roller and can rotate, the hydraulic cylinder II is fixedly arranged on an upper top plate of the cleaning box, a piston rod of the hydraulic cylinder II is vertically downward, the lifting frame is fixedly arranged on a piston rod of the hydraulic cylinder II, two fixed arms are fixedly arranged on two sides of the lifting frame, the auxiliary roller is rotatably arranged on the fixed arms, a fixed plate is fixedly arranged on the lifting frame, a plurality of auxiliary compression rollers are rotatably arranged on the lower surface of the fixed plate, and the cotton is penetrated between the auxiliary compression rollers and the auxiliary roller; when the crane moved up, the auxiliary roller leaned on with cotton tape internal surface, at crane lapse formula, the auxiliary compression roller leaned on with cotton tape surface. After the painted mahjong enters the cleaning box, the first motor drives the first roller to rotate, the cotton cloth belt rotates along with the first roller and the second roller, the hydraulic cylinder II is started, the lifting frame moves downwards, the auxiliary compression roller on the lifting frame presses the cotton cloth belt and enables the inner surface of the cotton cloth belt to be in contact with the mahjong, and redundant dye on the surface of the mahjong is erased in the process of quick rotation of the cotton cloth belt; after the cleaning box is erased, the hydraulic cylinder II is started, the lifting frame moves upwards, the auxiliary roller also moves upwards along with the lifting frame and abuts against the inner surface of the cotton cloth belt, the mahjong surface is removed from the cotton cloth belt, and clean cotton cloth is erased from the conveying part of the cleaning box.

Compared with the prior art, the invention has the following advantages:

1. the mahjong tile dyeing machine is provided with three calibration mechanisms and three dyeing mechanisms, and can be used for quickly dyeing according to different colors on mahjong tiles.

2. The coloring mechanism has the characteristic of efficient dyeing, the dyeing efficiency is greatly improved, and the small surfaces of the first printing and dyeing plate, the second printing and dyeing plate and the third printing and dyeing plate can prevent dye from flowing into other gullies of the mahjong tiles. The surface coating can prevent the dye from being stuck on the first printing plate, the second printing plate and the third printing plate.

Drawings

FIG. 1 is a schematic of the present invention.

Fig. 2 is a schematic view of a coloring mechanism in the present invention.

Fig. 3 is a schematic view of the alignment mechanism of the present invention.

FIG. 4 is a schematic view of a first printing plate of the present invention.

FIG. 5 is a schematic view of a second printing plate of the present invention.

FIG. 6 is a schematic view of a third printing plate according to the present invention.

FIG. 7 is a schematic view of the cleaning mechanism of the present invention.

In the figure, 1, a frame; 2. a conveying roller; 3. placing the box; 4. a cleaning tank; 5. a recycling bin; 6. a box body; 7. a push rod motor I; 8. a push rod motor II; 9. a third push rod motor; 10. pushing a first plate; 11. a second push plate; 12. a baffle plate; 13. printing and dyeing a first plate; 14. printing and dyeing a second plate; 15. printing and dyeing a third plate; 16. a lifting plate; 17. fixing the supporting rod; 18. a first through hole; 18a, a second through hole; 18b, a third through hole; 19. a drainage plate; 20. a first hydraulic cylinder; 21. a dyeing box I; 22. a dyeing box II; 23. a dyeing box III; 24. a first spray pipe; 25. a second spray pipe; 26. a third spray pipe; 27. a cotton tape; 28. a first roller; 29. a second roller; 30. an auxiliary roller; 31. a lifting frame; 31a, a fixed arm; 32. a second hydraulic cylinder; 33. a fixing plate; 34. and (4) auxiliary press rolls.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 7, a coloring device for mahjong comprises a frame 1, wherein a plurality of conveying rollers 2 are rotatably arranged on the frame 1, a placing box 3 for placing mahjong is arranged on each conveying roller 2, and three calibrating mechanisms for calibrating the placing box 3 on each conveying roller 2 are arranged on the frame 1; three coloring mechanisms for spraying and coloring the mahjong surface are arranged on the rack 1; the coloring mechanism corresponds to the calibration mechanism in position one by one, a cleaning box 4 is fixedly arranged on the rack 1, and a cleaning mechanism for cleaning redundant dye on the surface of the mahjong is arranged in the cleaning box 4; the lower part of the frame 1 is fixedly provided with a plurality of recycling boxes 5, and the recycling boxes 5 are positioned below the coloring mechanism.

The conveying roller 2 is driven to rotate by a driving motor.

Specifically, the placing case 3 has a case body 6 provided obliquely thereon. The box body 6 which is obliquely arranged can facilitate typesetting of workers, and can ensure that the dye flows from a high position to a low position, thereby reducing the residue of the dye on the surface of the mahjong tile.

Specifically, the calibration mechanism comprises a push rod motor I7, a push rod motor II 8 and a push rod motor III 9, push pedal one 10, push pedal two 11 and baffle 12, push rod motor one 7 and push rod motor two 8 set firmly respectively in frame 1, the push rod of push rod motor one 7 and the push rod of push rod motor two 8 set up relatively, push pedal one 10 is fixed on the push rod of push rod motor one 7, push pedal two 11 are fixed on the push rod of push rod motor two 8, push pedal one 10 and push pedal two 11 can support with the both sides of placing box 3 respectively and make it adjust the position to lean on, push rod motor three 9 is fixed in frame 1 and the push rod of push rod motor three 9 is vertical upwards, baffle 12 is fixed at the push rod tip of push rod motor three 9, push rod motor three 9 can drive baffle 12 and penetrate and wear out from upper portion from two 2 lower parts of carrying roller, push pedal one 10, push pedal two 11 and baffle 12 form the restriction and place the printing and dyeing area that box 3 removed. The third push rod motor 9 is started, the baffle plate 12 penetrates from the lower parts of the two conveying rollers 2 and penetrates out from the upper parts, the placing box 3 stops moving after touching the baffle plate 12, at the moment, the first push rod motor 7 and the second push rod motor 8 are started, the placing box 3 is pushed to the middle position through the first push plate 10 and the second push plate 11, and the placing box 3 is kept fixed in the printing and dyeing area. The coloring mechanism can be more accurate when coloring the mahjong.

Specifically, the coloring mechanism comprises a first printing plate 13, a second printing plate 14, a third printing plate 15 and a lifting plate 16, the lifting plate 16 is fixedly connected to the upper part of the frame 1 through a lifting mechanism, the first printing plate 13, the second printing plate 14 and the third printing plate 15 are fixedly connected with the lifting plate 16 sequentially through a fixing support rod 17, the first printing plate 13, the second printing plate 14 and the third printing plate 15 are positioned right above the conveying roller 2, and the first printing plate 13, the second printing plate 14 and the third printing plate 15 respectively correspond to the positions of three calibration mechanisms on the frame 1 one by one; the printing and dyeing plate I13, the printing and dyeing plate II 14 and the printing and dyeing plate III 15 are respectively provided with a through hole 18, a through hole II 18a and a through hole III 18b which correspond to colors required by the mahjong tiles, the inner surfaces of the printing and dyeing plate I13, the printing and dyeing plate II 14 and the printing and dyeing plate III 15 are fixedly provided with leakage-proof silica gel arranged along the edge of the through hole 18, and the surfaces of the printing and dyeing plate I13, the printing and dyeing plate II 14 and the printing and dyeing plate III 15 are dip-dyed with oleophobic surface coatings; the lifting plate 16 is provided with a spraying mechanism for spraying dyes on the first dyeing plate, the second dyeing plate 14 and the third dyeing plate 15.

The mechanism has the characteristic of efficient dyeing, the dyeing efficiency is greatly improved, and the small surfaces of the first printing and dyeing plate 13, the second printing and dyeing plate 14 and the third printing and dyeing plate 15 can prevent dye from flowing into other gullies of the mahjong tiles. The surface coating can prevent dye from sticking on the first printing plate 13, the second printing plate 14 and the third printing plate 15.

Specifically, a first sensor is fixedly arranged on the lower surfaces of the first printing plate 13, the second printing plate 14 and the third printing plate 15, a second sensor which can correspond to the first sensor is fixedly arranged on the placing box 3, and the spraying mechanism is started after the first sensor is contacted with the second sensor. When the boxes 3 are not placed below the first printing plate 13, the second printing plate 14 and the third printing plate 15, the first printing plate 13, the second printing plate 14 and the third printing plate 15 are also prevented from being sprayed with dyes, and the inner surfaces of the first printing plate 13, the second printing plate 14 and the third printing plate 15 are dyed with the dyes.

Specifically, the first printing plate 13, the second printing plate 14 and the third printing plate 15 are obliquely arranged, and the first printing plate 13, the second printing plate 14 and the third printing plate 15 are parallel to the box body 6. Make things convenient for the flow of dyestuff, effectual surplus dyestuff flow direction accumulator.

Specifically, the lower ends of the first printing plate 13, the second printing plate 14 and the third printing plate 15 are provided with drainage plates 19. The provision of the drainage plate 19 can prevent the dye from flowing into the placing box 3.

Specifically, the surface coating is a nano-silica coating. The nano silicon dioxide has better oleophobic property, mature technology, relatively low price and more convenient subsequent repair.

Specifically, the lifting mechanism comprises a plurality of hydraulic cylinders I20, the hydraulic cylinders I20 are fixedly arranged at the upper part of the rack 1, piston rods of the hydraulic cylinders I20 are vertically downward, and the lifting plate 16 is fixed at the end parts of the piston rods of the hydraulic cylinders I20. And the first hydraulic cylinder 20 is started to drive the lifting plate 16 to lift up and down.

Specifically, the spraying mechanism comprises a first dye box 21, a second dye box 22, a third dye box 23, a first spraying pipe 24, a second spraying pipe 25 and a third spraying pipe 26, wherein the first dye box 21, the second dye box 22 and the third dye box 23 are respectively fixed on the uppermost part of the rack 1, the first spraying pipe 24 is fixed at the highest end of the first printing plate 13, the second spraying pipe 25 is fixed at the highest end of the second printing plate 14, the third spraying pipe 26 is fixed at the highest end of the third printing plate 15, the first dye box 21, the second dye box 22 and the third dye box 23 are sequentially connected with the first spraying pipe 24, the second spraying pipe 25 and the third spraying pipe 26 through a first conveying pipe, and a first constant flow pump is arranged on the first. And when the constant flow pump is started, the dye in the dye box is conveyed into the first spray pipe 24 and is sprayed out of the first spray pipe 24, the second spray pipe 25 and the third spray pipe 26 to the corresponding printing and dyeing plate I13, the printing and dyeing plate II 14 and the printing and dyeing plate III 15. The first printing plate 13, the second printing plate 14 and the third printing plate 15 can be efficiently sprayed with dyes through the spray pipes, so that the first printing plate 13, the second printing plate 14 and the third printing plate 15 can be completely covered with the dyes, and the dyes enter all the through holes 18.

Specifically, the dye box I21, the dye box II 22 and the dye box III 23 are sequentially connected with the recovery box 5 on the rack 1 through the material conveying pipe II, and the material conveying pipe II is provided with a constant flow pump II. And after the redundant dye flows into the corresponding recovery box 5, the dye is conveyed into the first dye box 21, the second dye box 22 and the third dye box 23 again through the second constant flow pump. The dye can be recycled.

Specifically, the cleaning mechanism comprises a cotton tape 27, a first roller 28, a second roller 29, an auxiliary roller 30, a lifting frame 31 and a hydraulic cylinder II 32, wherein the first roller 28 and the second roller 29 are rotatably arranged in the cleaning box 4, a first motor is fixedly arranged in the cleaning box 4, an output shaft of the first motor is connected with the first roller 28 and can rotate, the hydraulic cylinder II 32 is fixedly arranged on an upper top plate of the cleaning box 4, a piston rod of the hydraulic cylinder II 32 is vertically downward, the lifting frame 31 is fixedly arranged on a piston rod of the hydraulic cylinder II 32, two fixing arms 31a are fixedly arranged on two sides of the lifting frame 31, the auxiliary roller 30 is rotatably arranged on the fixing arms 31a, a fixing plate 33 is further fixedly arranged on the lifting frame 31, a plurality of auxiliary compression rollers 34 are rotatably arranged on the lower surface of the fixing plate 33, and the cotton tape 27 penetrates between the auxiliary compression rollers 34; when the lifting frame 31 moves upwards, the auxiliary roller 30 abuts against the inner surface of the cotton tape 27, and when the lifting frame 31 moves downwards, the auxiliary pressing roller 34 abuts against the outer surface of the cotton tape 27. After the painted mahjong enters the cleaning box 4, the first motor drives the first roller 28 to rotate, the cotton cloth belt 27 rotates along with the first roller 28 and the second roller 29, the second hydraulic cylinder 32 is started, the lifting frame 31 moves downwards, the auxiliary pressing roller 34 on the lifting frame 31 presses the cotton cloth belt 27 and enables the inner surface of the cotton cloth belt 27 to be in contact with the mahjong, and redundant dye on the surface of the mahjong is erased in the quick rotating process of the cotton cloth belt 27; after the wiping, the second hydraulic cylinder 32 is started, the lifting frame 31 moves upwards, the auxiliary roller 30 also moves upwards along with the second hydraulic cylinder and abuts against the inner surface of the cotton cloth belt 27, the mahjong surface of the cotton cloth belt 27 is removed, and the clean cotton cloth is wiped off at the conveying position from the cleaning box 4.

The working principle of the invention is as follows: the mahjong tiles are orderly placed in a placement box 3, the placement box 3 and the mahjong tiles placed and placed in the placement box are conveyed to the lower side of a coloring mechanism through a conveying roller 2, the position of the placement box 3 is accurately calibrated through the calibrating mechanism, then coloring is carried out through the coloring mechanism, a lifting mechanism is started, so that a first printing plate 13, a second printing plate 14 and a third printing plate 15 on a lifting plate 16 move downwards and press the mahjong tiles placed in the placement box 3, after full pressing, corresponding dyes are sprayed on the first printing plate 13, the second printing plate 14 and the third printing plate 15 through a spraying mechanism, the dyes flow to the lower end from the higher ends of the first printing plate 13, the second printing plate 14 and the third printing plate 15, part of the dyes flow into gullies of the mahjong tiles from through holes 18, the redundant dyes flow into a recovery box 5, and the corresponding dyeing area on each mahjong tile is dyed; redundant dye can flow into the recycling box 5 to be recycled, the colored mahjong enters the cleaning box 4, the redundant dye on the surface of the mahjong is cleaned through the cleaning mechanism, and then the mahjong is output.

The dyeing in the invention is exemplified by printing and dyeing of a middle cylinder of the mahjong, and the printing and dyeing can be carried out by replacing the printing and dyeing plate for the rest mahjong.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims

1. The coloring device for the mahjong comprises a rack and is characterized in that a plurality of conveying rollers are rotatably arranged on the rack, a placing box for placing the mahjong is arranged on each conveying roller, and a box body which is obliquely arranged is arranged on each placing box; the rack is provided with three calibration mechanisms for calibrating the positions of the placing boxes on the conveying rollers; the machine frame is provided with a coloring mechanism for spraying and coloring the mahjong surface; the coloring mechanism and the calibration mechanism are in one-to-one correspondence, a cleaning box is fixedly arranged on the rack, and a cleaning mechanism for cleaning redundant dye on the surface of the mahjong is arranged in the cleaning box; the lower part of the frame is fixedly provided with a plurality of recovery boxes, and the recovery boxes are positioned below the coloring mechanism; the dyeing mechanism comprises a first dyeing plate, a second dyeing plate, a third dyeing plate and a lifting plate, wherein the lifting plate is fixedly connected to the upper part of the frame through the lifting mechanism; the printing and dyeing plate I, the printing and dyeing plate II and the printing and dyeing plate III are respectively provided with a through hole I, a through hole II and a through hole III which correspond to colors of dyes required on mahjong tiles, the inner surfaces of the printing and dyeing plate I, the printing and dyeing plate II and the printing and dyeing plate III are fixedly provided with leak-proof silica gel arranged along the edges of the through holes, and the surfaces of the printing and dyeing plate I, the printing and dyeing plate II and the printing and dyeing plate III are dip-dyed with oleophobic surface coatings; the lifting plate is provided with a spraying mechanism for spraying dyes on the dyeing plate I, the dyeing plate II and the dyeing plate III; the printing and dyeing plate I, the printing and dyeing plate II and the printing and dyeing plate III are obliquely arranged, and the printing and dyeing plate I, the printing and dyeing plate II and the printing and dyeing plate III are parallel to the box body; the lower ends of the first printing plate, the second printing plate and the third printing plate are provided with drainage plates; the surface coating is a nano silicon dioxide coating; the lifting mechanism comprises a plurality of hydraulic cylinders I, the hydraulic cylinders I are fixedly arranged on the upper part of the rack, piston rods of the hydraulic cylinders I are vertically downward, and the lifting plate is fixed at the end parts of the piston rods of the hydraulic cylinders I; the spraying mechanism comprises a first dye box, a second dye box, a third dye box, a first spray pipe, a second spray pipe and a third spray pipe, wherein the first dye box, the second dye box and the third dye box are respectively fixed on the uppermost part of the rack, the first spray pipe is fixed at the highest end of the first printing and dyeing plate, the second spray pipe is fixed at the highest end of the second printing and dyeing plate, the third spray pipe is fixed at the highest end of the third printing and dyeing plate, the first dye box, the second dye box and the third dye box are sequentially connected with the first spray pipe, the second spray pipe and the third spray pipe through the first feed delivery pipe, and the first feed pipe is provided with a constant flow pump.

2. The coloring device for mahjong pieces according to claim 1, wherein the calibrating mechanism comprises a first push rod motor, a second push rod motor, a third push rod motor, a first push plate, a second push plate and a baffle plate, the first push rod motor and the second push rod motor are respectively and fixedly arranged on the frame, the push rod of the first push rod motor and the push rod of the second push rod motor are oppositely arranged, the first push plate is fixed on the push rod of the first push rod motor, the second push plate is fixed on the push rod of the second push rod motor, the first push plate and the second push plate can respectively abut against the two sides of the placing box and enable the placing box to adjust the position, the third push rod motor is fixed on the rack, a push rod of the third push rod motor is vertically upward, the baffle is fixed at the end part of the push rod of the third push rod motor, the third push rod motor can drive the baffle to penetrate into the lower parts of the two conveying rollers and penetrate out of the upper parts of the two conveying rollers, and the first push plate, the second push plate and the baffle form a printing and dyeing area for limiting the movement of the placing box.

3. The coloring device for mahjong according to claim 1, wherein a first sensor is fixed on the lower surfaces of the first printing plate, the second printing plate and the third printing plate, a second sensor corresponding to the first sensor is fixed on the placing box, and spraying is started after the first sensor contacts with the second sensor.

4. The coloring device for mahjong pieces according to claim 1, wherein the first dye box, the second dye box and the third dye box are sequentially connected with the recycling box on the rack through a second material conveying pipe, and the second material conveying pipe is provided with a second constant flow pump.

5. The mahjong coloring device according to claim 1, wherein the cleaning mechanism comprises a cotton tape, a first roller, a second roller, an auxiliary roller, a lifting frame and a second hydraulic cylinder, the first roller and the second roller are rotationally arranged in a cleaning box, a first motor is fixedly arranged in the cleaning box, an output shaft of the first motor is connected with the first roller and can drive the first roller to rotate, the second hydraulic cylinder is fixed on the upper top plate of the cleaning box, a piston rod of the second hydraulic cylinder is vertically downward, the lifting frame is fixed on a piston rod of the hydraulic cylinder II, two fixed arms are fixedly arranged on two sides of the lifting frame, the auxiliary roller is rotatably arranged on the fixed arms, the lifting frame is also fixedly provided with a fixed plate, the lower surface of the fixed plate is rotatably provided with a plurality of auxiliary compression rollers, and the cotton cloth belt penetrates between the auxiliary compression rollers and the auxiliary roller; when the crane moved up, the auxiliary roller leaned on with cotton tape internal surface, and when the crane moved down, the auxiliary compression roller leaned on with cotton tape surface.