CN115320221B

CN115320221B - Coating compounding machine prevent volatilizing restrain sediment coating unit

Info

Publication number: CN115320221B
Application number: CN202211262774.2A
Authority: CN
Inventors: 谢章志; 喻顺东; 李宏廷; 吴限
Original assignee: Shantou Jiaxin Packing Material Co ltd
Current assignee: Shantou Jiaxin Packing Material Co ltd
Priority date: 2022-10-15
Filing date: 2022-10-15
Publication date: 2022-12-09
Anticipated expiration: 2042-10-15
Also published as: CN115320221A

Abstract

The invention relates to an anti-volatilization deposition-inhibiting coating device of a coating compound machine, which comprises a base, wherein a drawing roller set and a winding roller set are arranged on the base, the drawing roller set comprises an anilox roller which is rotatably arranged on the base and a back printing rubber roller which is movably arranged on the base, the anilox roller is abutted with the back printing rubber roller, the back printing rubber roller is connected with two groups of pneumatic lifting mechanisms which are arranged on the base, the winding roller set comprises a winding roller and a driving roller which are movably arranged on the base, the winding roller is abutted with the driving roller, the winding roller and the driving roller are respectively connected with a thread lifting mechanism and an elastic abutting mechanism which are arranged on the base, and a rotating shaft of the driving roller is connected with a rotating shaft of the anilox roller through the driving mechanism.

Description

Coating compounding machine prevent volatilizing restrain deposit coating unit

Technical Field

The invention relates to the technical field of packaging material compounding, in particular to an anti-volatilization and sediment-restraining coating device of a coating compounding machine.

Background

The anti-fake outer box that divide into according to packaging structure of tobacco bale is anti-fake, the cigarette case is anti-fake, frame paper is anti-fake, interior slip sheet is anti-fake, and slip sheet is the first layer packing of cigarette in the tobacco bale, plays multiple functions such as shaping, dampproofing, guarantor's incense, anti-fake, and slip sheet includes in the tobacco bale: direct plating transfer lining paper, smooth silver transfer lining paper, aluminum foil composite embossing lining paper, holographic anti-counterfeiting aluminum foil watermark lining paper and the like.

The aluminum foil lining paper has 2 surfaces, the front surface (aluminum foil) is colored or compounded with holographic patterns in the conventional method, the back surface is not generally processed, lining paper with back printing is appeared for improving the anti-counterfeiting property and the identification degree of products, the lining paper of the cigarette packet is directly contacted with cigarettes, the VOC requirement is extremely high, so the common back printing ink is water-based or alcohol-soluble, and the water-based or alcohol-soluble ink is easy to imitate, so that the anti-counterfeiting property of the back printing lining paper is not high.

A novel back printing golden color lining paper adopts solvent type bronze ink, the deviation of the back printed character shape and hue is obvious and the copying resistance is certain because the copper powder hue and the particle size of the bronze ink are different, the solvent type bronze ink contains copper powder, the resin in the bronze ink is quick-drying resin, the conventional scraper coating (gravure coating) is easy to generate crust in the coating (back printing) process, and then a scraper line is generated, and the ideal processing effect cannot be achieved.

Disclosure of Invention

The invention aims to provide an anti-volatilization and sediment-restraining coating device of a coating compound machine, which solves the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

an anti-volatilization and precipitation-inhibiting coating device of a coating compound machine comprises a base, wherein a drawing roller set and a winding roller set are arranged on the base; the drawing roller group comprises an anilox roller rotatably mounted on the base and a back printing rubber roller movably arranged on the base, the anilox roller is abutted with the back printing rubber roller, the back printing rubber roller is connected with two groups of pneumatic lifting mechanisms mounted on the base, a resin roller is further rotatably mounted on the base, the resin roller is positioned below the anilox roller and abutted with the anilox roller, and rotating shafts of the anilox roller and the resin roller are connected through a gear set; the winding roller group comprises a winding roller and a transmission roller which are movably arranged on the base, the winding roller is abutted against the transmission roller, and the winding roller and the transmission roller are respectively connected with a thread lifting mechanism and an elastic abutting mechanism which are arranged on the base; the rotating shaft of the transmission roller and the thread lifting mechanism are connected with the rotating shaft of the anilox roller through the transmission mechanism; still include circulation feed mechanism, circulation feed mechanism be used for through the resin roller with printing ink to the last transmission of reticulation roller, just still be provided with the scraper on the base, the scraper is used for floating printing ink on the paper.

As a further scheme of the invention: the circular feeding mechanism comprises a feeding piece and a pump which are arranged on the base, the feeding piece and the pump are connected with a transverse moving assembly which is installed on the base, the feeding piece is hollow and is positioned on one side, away from the winding roller, of the resin roller, one side, facing the resin roller, of the feeding piece is arc-shaped, and a plurality of discharge holes are formed in the circular feeding mechanism at equal intervals.

As a still further scheme of the invention: a feeding hole is further formed in one side, away from the resin roller, of the feeding piece, the feeding hole is connected with a liquid outlet of the pumping pump through a guide pipe, and a liquid inlet of the pumping pump is connected with a material storage box arranged at the bottom of the base through a hose; the storage case is used for storing printing ink to through many back flows with install box intercommunication on the base, scraper demountable installation be in on the box, just seted up one on the box and supplied printing ink to flow in the bar opening in the box.

As a still further scheme of the invention: the transverse moving assembly comprises a first screw rod rotatably mounted on the base, a first guide rod fixedly mounted on the base and a transverse moving plate arranged on the first guide rod in a sliding manner; the pump and the feeding piece are both arranged on the traverse moving plate, and the first screw rod penetrates through the traverse moving plate and is in threaded connection with the traverse moving plate.

As a still further scheme of the invention: the elastic pressing mechanism comprises two transverse plates movably arranged on the base, the two transverse plates are oppositely arranged, the transmission roller is rotatably arranged between the two transverse plates, and the two transverse plates are respectively connected with the base through a group of elastic sliding assemblies.

As a still further scheme of the invention: the elastic sliding assembly comprises two stand columns fixedly mounted on the base and two cylindrical springs arranged on the peripheries of the stand columns in a sleeved mode, the transverse plate is arranged on the stand columns in a sliding mode, and two ends of each cylindrical spring are connected with the base and the transverse plate respectively.

As a still further scheme of the invention: the transmission mechanism comprises a first transmission shaft and a second transmission shaft which are rotatably arranged on the base and a sleeve which is rotatably arranged on the transverse plate, and the sleeve is in sliding sleeve fit with the first transmission shaft through a sliding limiting structure; the first transmission shaft is connected with the second transmission shaft through a first transmission belt, one end, far away from the base, of the second transmission shaft is connected with the rotating shaft of the anilox roller through a second bevel gear set, and the sleeve is connected with the rotating shaft of the transmission roller through a first bevel gear set.

As a still further scheme of the invention: the sliding limiting structure comprises a plurality of bulges fixedly arranged on the periphery of the first transmission shaft and a plurality of grooves formed in the inner wall of the sleeve, and the bulges are in long strip-shaped arrangement with the grooves and are in sliding adaptation.

As a still further scheme of the invention: the thread lifting mechanism comprises a second screw rod rotatably mounted on the base, a second guide rod fixedly mounted on the base and a lifting plate arranged on the second guide rod in a sliding manner, and the winding roller is rotatably mounted on the side part of the lifting plate; the second screw rod is connected with the first transmission shaft through a second transmission belt and penetrates through the lifting plate, and the lifting plate is in threaded connection with the second screw rod.

Compared with the prior art, the invention has the beneficial effects that: the invention has novel design, adopts the feeding piece and the pump to transfer the printing ink to the anilox roller, and has good sealing property because the feeding piece is internally provided with a closed space on which only a plurality of discharge holes and a feed hole are arranged, thereby greatly reducing the volatilization of the solvent in the printing ink, effectively avoiding the skinning phenomenon of the quick-drying printing ink, avoiding the generation of a scraper line, ensuring the uniformity of back printing characters, and avoiding the phenomena of different sizes and gold flash degrees of the characters and the like.

Drawings

FIG. 1 is an isometric view of one embodiment of an anti-volatilization and deposit-inhibiting coating apparatus for a coating combination machine;

FIG. 2 is a schematic view of an embodiment of an anti-volatilization deposition-inhibiting coating apparatus for a coating compound machine;

FIG. 3 is a schematic view of an alternative embodiment of an anti-evaporation and precipitation-inhibiting coating apparatus for a coating compound machine;

FIG. 4 is a schematic view of an embodiment of an evaporation prevention and deposition inhibition coating apparatus of a coating compound machine from a further angle;

FIG. 5 is a schematic view of another embodiment of an anti-evaporation and anti-settling coating apparatus;

FIG. 6 is a schematic view showing the relationship between an anilox roll, an anilox roll and a resin roll in an embodiment of an anti-volatilization deposition-inhibiting coating apparatus of a coating compound machine;

FIG. 7 is an enlarged view of the structure at A in FIG. 5;

FIG. 8 is a schematic view of a feeding member in an embodiment of an anti-volatilization deposition-inhibiting coating apparatus for a coating combination machine;

FIG. 9 is a schematic view showing a connection relationship between a wind-up roll and a driving roll in an embodiment of an anti-volatilization deposition-inhibiting coating device of a coating compound machine;

fig. 10 is an enlarged view of the structure at B in fig. 9.

In the figure: 1. a base; 2. an anilox roll; 3. back printing the rubber roller; 4. a wind-up roll; 5. a driving roller; 6. a feeding member; 7. a box body; 8. a scraper; 9. a material storage box; 10. a return pipe; 11. a conduit; 12. a hose; 13. pumping; 14. a cylinder; 15. assembling a plate; 16. a first lead screw; 17. a first guide bar; 18. transversely moving the plate; 19. a drying device; 20. a discharge hole; 21. a column; 22. a transverse plate; 23. a cylindrical spring; 24. a second lead screw; 25. a second guide bar; 26. a lifting plate; 27. a first drive shaft; 28. a sleeve; 29. a first bevel gear set; 30. a second bevel gear set; 31. a first drive belt; 32. a second belt; 33. a second drive shaft; 34. a motor; 35. a resin roll; 36-gear set.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

The invention provides an anti-volatilization and precipitation-inhibiting coating device of a coating compound machine, aiming at solving the technical problem that the conventional blade coating (gravure coating) is easy to cause the skinning phenomenon of ink in the coating (back printing) process.

Referring to fig. 1-10, in an embodiment of the present invention, an anti-volatilization deposition-inhibiting coating apparatus for a coating compound machine includes a base 1, wherein a pull roller set and a winding roller set are disposed on the base 1; the drawing roller group comprises an anilox roller 2 which is rotatably arranged on the base 1 and a back printing rubber roller 3 which is movably arranged on the base 1. Further, two vertical plates (not numbered) perpendicular to the base 1 are fixedly mounted on the base 1, the two vertical plates are arranged oppositely, the anilox roller 2 is rotatably mounted between the two vertical plates, a motor 34 is further mounted on one side of one of the vertical plates away from the anilox roller 2, and an output end of the motor 34 is connected with a rotating shaft of the anilox roller 2; the motor 34 is a speed-regulating motor, so that the rotating speed of the mesh roller 2 is adjusted during processing, the drawing speed of paper is adjusted, and the transfer printing effect of ink is better.

Anilox roller 2 with 3 butts of back of the body seal rubber roll, just back of the body seal rubber roll 3 is located directly over anilox roller 2, back of the body seal rubber roll 3 with install two sets of pneumatic elevating system on the base 1 are connected, still rotate on the base 1 and install resin roller 35, resin roller 35 is located anilox roller 2's below and butt with it, just anilox roller 2 with the two axis of rotation of resin roller 35 passes through gear train 36 and connects. The gear set 36 includes a first gear and a second gear which are respectively fixedly mounted on the rotation shafts of the anilox roller 2 and the resin roller 35, and the first gear is engaged with the second gear.

Specifically speaking, two sets of pneumatic elevating system are in relative setting on base 1, pneumatic elevating system is including installing cylinder 14 on base 1 and fixing at the assembly plate 15 of cylinder 14 expansion end, back of the body rubber roll 3 then rotate and install between two assembly plate 15, two in two sets of pneumatic elevating system cylinder 14 is by a control switch control to guarantee the synchronism of two works.

The cylinder 14 also can adopt pneumatic cylinder or electric telescopic handle to replace, to this, this application does not do specifically and restricts, can select according to the demand of reality, only need satisfy the drive demand can.

Still include circulation feed mechanism, circulation feed mechanism be used for through resin roller 35 with printing ink to transfer on the reticulation roller 2, just still be provided with scraper 8 on the base 1, scraper 8 is used for floating printing ink on the paper.

Referring to fig. 1 and 8 again, the circulating feeding mechanism includes a feeding member 6 and a pump 13 disposed on the base 1, the feeding member 6 and the pump 13 are connected to a traversing assembly mounted on the base 1, the feeding member 6 is hollow and located on one side of the resin roll 35 away from the wind-up roll 4, and one side of the feeding member facing the resin roll 35 is disposed in an arc shape and provided with a plurality of discharge holes 20 at equal intervals.

Referring to fig. 5 again, a feeding hole is further formed in a side of the feeding member 6 away from the resin roller 35, the feeding hole is connected to a liquid outlet of the pump 13 through a conduit 11, and a liquid inlet of the pump 13 is connected to a storage tank 9 installed at the bottom of the base 1 and used for storing ink through a hose 12. The storage box 9 is communicated with the box body 7 arranged on the base 1 through a plurality of return pipes 10, the scraper 8 is detachably arranged on the box body 7, and the box body 7 is provided with a strip-shaped through opening for ink to flow into the box body 7.

The scraper 8 can be mounted on the box 7 by bolts or other means, so that the orientation of the scraper 8 can be adjusted conveniently in the actual process in the face of different processing requirements.

It is emphasized that the discharge opening 20 is much smaller than the diameter of the feed opening, so that the uniformity of the ink jet on the surface of the anilox roller 2 during processing is ensured.

In the processing process, the pump 13 works to pump the ink in the storage tank 9 through the hose 12 and pump the ink into the feeding piece 6 through the guide pipe 11 and the feeding hole in the feeding piece 6, and further the ink in the feeding piece 6 can be sprayed to the periphery of the resin roller 35 through the discharging hole 20, because the rotating shafts of the anilox roller 2 and the resin roller 35 are connected through the gear set 36, the resin roller 35 is driven to rotate through the gear set 36 when the anilox roller 2 rotates, the resin roller 35 is extruded with the anilox roller 2, the ink can be extruded into the image-text position on the anilox roller 2, the ink does not exist at the non-image-text position due to the absence of the mesh hole, and the ink at the image-text position is printed on the back of the paper under the pressure of the back printing rubber roller 3.

Because the feeding piece 6 is a closed space, only a plurality of discharging holes 20 and a feeding hole are arranged on the feeding piece, the feeding piece has the following advantages:

firstly, the feeding piece 6 has good sealing performance, the volatilization of a solvent in the printing ink can be greatly reduced, and the aim of saving the production cost is fulfilled;

secondly, quick-drying ink is usually used for processing paper, and the feeding piece 6 has good sealing property, so that the phenomenon of skinning of the quick-drying ink can be effectively avoided;

thirdly, the space of pay-off piece 6 is less relatively, and the gold powder in the printing ink can not find the precipitation phenomenon, can ensure the even of back of the body of seal typeface, the size of typeface, golden flash of can not appear phenomenon such as not inconsistent.

The traversing assembly comprises a first screw rod 16 rotatably arranged on the base 1, a first guide rod 17 fixedly arranged on the base 1 and a traversing plate 18 arranged on the first guide rod 17 in a sliding manner. The pump 13 and the feeding member 6 are both mounted on the traverse plate 18, and the first lead screw 16 penetrates through the traverse plate 18 and is in threaded connection therewith.

In detail, two through holes for the first lead screw 16 and the first guide bar 17 to pass through are opened at the side of the traverse plate 18, wherein a thread engaged with the first lead screw 16 is provided on the inner wall of the through hole through which the first lead screw 16 passes.

When the device is used, the first screw rod 16 is rotated forwards or reversely, the first guide rod 17 can guide the transverse moving plate 18, the transverse moving plate 18 is in threaded fit with the first screw rod 16, the feeding piece 6 is driven to move towards or away from the resin roller 35, and the feeding piece 6 can be completely filled with ink by adjusting the output power of the pump 13, so that the ink transmission to the resin roller 35 is realized.

When motor 34 drive reticulation roller 2 rotates, reticulation roller 2 alright with back of the body seal rubber roll 3 cooperation, carry out the tractive to the paper, and make printing ink in reticulation roller 2 periphery be rendition to the paper on, when the paper that is printed with printing ink passes through scraper 8, scraper 8 alright scrape printing ink on the paper, carry out the smoothing to the coating surface of paper simultaneously, printing ink scraped by scraper 8 will flow back to storage case 9 again through the bar opening on box 7 along scraper 8, the circulation of printing ink has been realized, avoid the waste of processing material.

The winding roller group is in including the activity setting wind-up roller 4 and driving roller 5 on the base 1, wind-up roller 4 with driving roller 5 butt, just wind-up roller 4 with driving roller 5 is in with installing respectively screw thread elevating system and elasticity on the base 1 support and press the mechanism to be connected, driving roller 5 is located under wind-up roller 4. And the rotating shaft of the driving roller 5 is connected with the rotating shaft of the anilox roller 2 through a transmission mechanism and the thread lifting mechanism.

During actual processing, paper needs to pass through a gap between the anilox roller 2 and the back printing rubber roller 3, the drawing-out end of the paper is connected with the winding roller 4, the back printing rubber roller 3 is driven to descend through the air cylinder 14, the paper is squeezed between the anilox roller 2 and the back printing rubber roller 3, then, under the pressure action of the back printing rubber roller 3, the paper can be drawn after the anilox roller 2 rotates, and ink on the anilox roller 2 is transferred to the paper.

It should be added that a drying device 19 is further installed on the base 1 between the anilox roller 2 and the wind-up roller 4, the drying device 19 is an application of the prior art, for this, for its specific working principle, this application is not repeated in detail, and during processing, the paper needs to pass through the drying device 19, and the drying device 19 is adjusted to a suitable drying temperature, so that the ink on the paper after transfer printing can be dried when the paper passes through the drying device 19.

Referring to fig. 7 again, the elastic pressing mechanism includes two transverse plates 22 movably disposed on the base 1, the two transverse plates 22 are disposed opposite to each other, the driving roller 5 is rotatably mounted between the two transverse plates 22, and the two transverse plates 22 are connected to the base 1 through a set of elastic sliding components respectively.

Elastic sliding assembly includes that fixed mounting is in two last two stands 21 of base 1 and overlap respectively and establish two column spring 23 of stand 21 periphery, diaphragm 22 slides and sets up two on the stand 21, just column spring 23's both ends respectively with base 1 with diaphragm 22 is connected.

The transmission mechanism comprises a first transmission shaft 27 and a second transmission shaft 33 which are rotatably installed on the base 1 and a sleeve 28 which is rotatably installed on the transverse plate 22, and the sleeve 28 is in sliding sleeve fit with the first transmission shaft 27 through a sliding limiting structure.

Specifically (see fig. 10), a plate (not numbered) is fixedly mounted on the cross plate 22, and the sleeve 28 is rotatably mounted on the plate and slidably engaged with the first transmission shaft 27.

The sliding limiting structure comprises a plurality of protrusions fixedly arranged on the periphery of the first transmission shaft 27 and a plurality of grooves formed in the inner wall of the sleeve 28, and the protrusions and the grooves are arranged in a long strip shape and are matched in a sliding mode.

It should be noted that the central axes of the sleeve 28 and the first transmission shaft 27 coincide, and the protrusions and the grooves are parallel to the central axis of the first transmission shaft 27.

The first transmission shaft 27 is connected with the second transmission shaft 33 through a first transmission belt 31, one end of the second transmission shaft 33 far away from the base 1 is connected with the rotating shaft of the anilox roller 2 through a second bevel gear set 30, and the sleeve 28 is connected with the rotating shaft of the transmission roller 5 through a first bevel gear set 29.

For unfolding, the first bevel gear set 29 comprises a first bevel gear fixedly mounted on the sleeve 28 and a second bevel gear fixedly mounted on the rotating shaft of the driving roller 5, and the second bevel gear is meshed with the first bevel gear;

similarly, the second bevel gear set 30 comprises a third bevel gear fixedly mounted on the anilox roller 2 and a fourth bevel gear fixedly mounted at one end of the second transmission shaft 33 far away from the base 1, and the fourth bevel gear is meshed with the third bevel gear.

When the motor 34 drives the anilox roller 2 to rotate, the rotating shaft of the anilox roller 2 drives the second transmission shaft 33 to rotate through the second bevel gear set 30, then the second transmission shaft 33 drives the first transmission shaft 27 to rotate through the first transmission belt 31, the first transmission shaft 27 can drive the sleeve 28 to rotate through the protrusions on the outer wall of the sleeve 27 and the grooves on the inner wall of the sleeve 28, and further, the sleeve 28 drives the transmission roller 5 to rotate through the first bevel gear set 29;

under the elastic force supporting effect of cylindrical spring 23 for driving roller 5 and wind-up roll 4 butt, then, driving roller 5 will drive wind-up roll 4 and rotate when rotating, and wind-up roll 4 alright carries out the rolling to the paper of accomplishing the rendition.

It should be noted that if a motor is directly used to drive the winding roller 4 to rotate, the paper is wound, so that the thickness of the paper superposed on the periphery of the winding roller 4 is gradually increased along with the rotation of the winding roller 4, and further, the winding length of the paper is gradually increased in the process that the winding roller 4 rotates for one circle, so that the difference between the winding speed of the winding roller 4 to the paper and the drawing speed of the anilox roller 2 to the paper is gradually increased, the uniform speed effect of the paper movement cannot be ensured, and further, the transfer effect is greatly influenced, and the ideal processing effect cannot be achieved; in this application, anilox roller 2 with the structure of driving roller 5 the two is the same, and drives driving roller 5 through anilox roller 2 for driving roller 5 drives wind-up roll 4 and rotates, carries out the rolling action to the post-transfer printing paper, and so, alright guarantee that in unit interval, anilox roller 2 is the same to the tractive length of paper and wind-up roll 4 rolling length to the paper, and then, realized in the course of working, the paper can pass through at the uniform velocity, has effectively guaranteed the processing effect.

Referring to fig. 2 and 8 again, the screw thread lifting mechanism includes a second screw 24 rotatably mounted on the base 1, a second guide rod 25 fixedly mounted on the base 1, and a lifting plate 26 slidably disposed on the second guide rod 25, and the wind-up roll 4 is rotatably mounted on a side portion of the lifting plate 26. The second lead screw 24 is connected to the first transmission shaft 27 through a second transmission belt 32, and penetrates through the lifting plate 26, and the lifting plate 26 is in threaded connection with the second lead screw 24.

As with the traverse plate 18, the lifting plate 26 is also provided with two through holes for the second lead screw 24 and the second guide rod 25 to pass through, wherein the inner wall of the through hole through which the second lead screw 24 passes is provided with a thread engaged with the second lead screw 24.

In actual processing, along with the rolling of wind-up roll 4 to the paper, the thickness of paper will increase gradually to, the paper that is located between anilox roller 2 and wind-up roll 4 will take place to raise gradually, and so, the interval between scraper 8 and the paper will change, and then influences the rendition effect.

In view of the above problems, a guide roller may be rotatably mounted on the base 1, so that the guide roller is located between the wind-up roller 4 and the drying device 19 and is higher than the wind-up roller 4, which can avoid the above problems, but the guide roller has an obvious disadvantage that the tension applied to the paper between the wind-up roller 4 and the guide roller is gradually increased along with the increase of the paper winding thickness on the wind-up roller 4, so that the paper may be damaged, and meanwhile, with the guide roller, the paper may rub against the guide roller when passing through the guide roller, and further, the paper may be adversely affected to a certain extent.

In this application, in first transmission shaft 27 pivoted, first transmission shaft 27 will drive second lead screw 24 forward rotation through second drive belt 32, and second guide bar 25 leads to lifter plate 26, and then lifter plate 26 carries out screw-thread fit with second lead screw 24 and drives wind-up roll 4 and slowly move down, so, alright keep the invariant of interval between scraper 8 and the paper.

After the processing is finished, the winding roller 4 is replaced, the output direction of the motor 34 is changed, the anilox roller 2 is reversed, the second screw rod 24 rotates reversely, the lifting plate 26 drives the winding roller 4 to ascend and reset, and the next round of processing is facilitated.

When the coating device for preventing volatilization and inhibiting precipitation of the coating compound machine is implemented specifically, paper sequentially passes through a gap between the anilox roller 2 and the back printing rubber roller 3 and the drying device 19, and the back printing rubber roller 3 is driven to descend by the air cylinder 14 so as to be extruded between the anilox roller 2 and the back printing rubber roller 3; the first screw rod 16 is rotated forward or reversely, the first guide rod 17 can guide the traverse moving plate 18, so that the traverse moving plate 18 is in threaded fit with the first screw rod 16, the feeding piece 6 is driven to move towards or away from the resin roller 35, and the feeding piece 6 can be completely filled with ink by adjusting the output power of the pump 13; the suction pump 13 works, the ink in the storage tank 9 is sucked through the hose 12 and pumped into the feeding piece 6 through the guide pipe 11 and the feeding hole in the feeding piece 6, further, the ink in the feeding piece 6 is sprayed to the periphery of the resin roller 35 through the discharging hole 20, and as the rotating shafts of the anilox roller 2 and the resin roller 35 are connected through the gear set 36, the resin roller 35 is driven to rotate through the gear set 36 when the anilox roller 2 rotates, the resin roller 35 is extruded with the anilox roller 2, so that the ink can be squeezed into the image-text position on the anilox roller 2, and the non-image-text position has no mesh holes, so that the ink does not exist; the anilox roller 2 can be matched with the back printing rubber roll 3 to draw paper, ink (graphic and text information) on the periphery of the anilox roller 2 is transferred to the paper, when the paper printed with the ink passes through the scraper 8, the scraper 8 can scrape the ink on the paper, the coating surface of the paper is smoothed, the ink scraped by the scraper 8 flows back to the storage box 9 again through the strip-shaped through hole in the box body 7 along the scraper 8, the circulation of the ink is realized, and the waste of processing materials is avoided; when the anilox roller 2 rotates, the rotating shaft of the anilox roller 2 drives the second transmission shaft 33 to rotate through the second bevel gear set 30, then the second transmission shaft 33 drives the first transmission shaft 27 to rotate through the first transmission belt 31, the first transmission shaft 27 can drive the sleeve 28 to rotate through the bulge on the outer wall of the sleeve 27 and the groove on the inner wall of the sleeve 28, and further, the sleeve 28 drives the transmission roller 5 to rotate through the first bevel gear set 29; under the elastic supporting action of the cylindrical spring 23, the transmission roller 5 is abutted against the winding roller 4, so that the transmission roller 5 drives the winding roller 4 to rotate when rotating, and the winding roller 4 can wind paper subjected to transfer printing on the paper, so that the traction length of the anilox roller 2 to the paper is the same as the winding length of the winding roller 4 to the paper in unit time, further, the paper can pass through at a constant speed in the processing process, and the processing effect is effectively ensured; meanwhile, the first transmission shaft 27 drives the second screw rod 24 to rotate forward through the second transmission belt 32, the second guide rod 25 guides the lifting plate 26, and then the lifting plate 26 is in threaded fit with the second screw rod 24 to drive the winding roller 4 to slowly move downwards, so that the distance between the scraper 8 and the paper can be kept constant, and the paper is prevented from being deviated due to the increase of the thickness of the paper wound on the winding roller 4, and further the distance between the paper and the scraper 8 is prevented from being changed; after the processing is finished, the winding roller 4 is replaced, the output direction of the motor 34 is changed, the anilox roller 2 is reversed, the second screw rod 24 rotates reversely, the lifting plate 26 drives the winding roller 4 to ascend and reset, and the next round of processing is facilitated.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The coating device is characterized by comprising a base (1), wherein a drawing roller set and a winding roller set are arranged on the base (1);

the drawing roller set comprises an anilox roller (2) rotatably mounted on the base (1) and a back printing rubber roller (3) movably arranged on the base (1), the anilox roller (2) is abutted against the back printing rubber roller (3), the back printing rubber roller (3) is connected with two groups of pneumatic lifting mechanisms mounted on the base (1), a resin roller (35) is further rotatably mounted on the base (1), the resin roller (35) is located below the anilox roller (2) and abutted against the anilox roller, and rotating shafts of the anilox roller (2) and the resin roller (35) are connected through a gear set (36);

the winding roller group comprises a winding roller (4) and a transmission roller (5) which are movably arranged on the base (1), the winding roller (4) is abutted against the transmission roller (5), and the winding roller (4) and the transmission roller (5) are respectively connected with a thread lifting mechanism and an elastic abutting mechanism which are arranged on the base (1);

the rotating shaft of the driving roller (5) is connected with the rotating shaft of the anilox roller (2) through a transmission mechanism and the thread lifting mechanism;

the printing ink feeding device is characterized by further comprising a circulating feeding mechanism, wherein the circulating feeding mechanism is used for transferring printing ink onto the anilox roller (2) through the resin roller (35), a scraper (8) is further arranged on the base (1), and the scraper (8) is used for leveling the printing ink on paper;

the elastic pressing mechanism comprises two transverse plates (22) movably arranged on the base (1), the two transverse plates (22) are arranged oppositely, the transmission roller (5) is rotatably arranged between the two transverse plates (22), and the two transverse plates (22) are respectively connected with the base (1) through a group of elastic sliding assemblies;

the elastic sliding assembly comprises two upright posts (21) fixedly mounted on the base (1) and two cylindrical springs (23) respectively sleeved on the peripheries of the two upright posts (21), the transverse plate (22) is slidably arranged on the two upright posts (21), and two ends of each cylindrical spring (23) are respectively connected with the base (1) and the transverse plate (22);

the transmission mechanism comprises a first transmission shaft (27) and a second transmission shaft (33) which are rotatably arranged on the base (1) and a sleeve (28) which is rotatably arranged on the transverse plate (22), and the sleeve (28) is in sliding fit with the first transmission shaft (27) through a sliding limiting structure;

the first transmission shaft (27) is connected with the second transmission shaft (33) through a first transmission belt (31), one end, far away from the base (1), of the second transmission shaft (33) is connected with a rotating shaft of the anilox roller (2) through a second bevel gear set (30), and the sleeve (28) is connected with a rotating shaft of the transmission roller (5) through a first bevel gear set (29);

the thread lifting mechanism comprises a second screw rod (24) rotatably mounted on the base (1), a second guide rod (25) fixedly mounted on the base (1) and a lifting plate (26) arranged on the second guide rod (25) in a sliding manner, and the winding roller (4) is rotatably mounted on the side part of the lifting plate (26);

the second screw rod (24) is connected with the first transmission shaft (27) through a second transmission belt (32) and penetrates through the lifting plate (26), and the lifting plate (26) is in threaded connection with the second screw rod (24).

2. The coating device of claim 1, characterized in that the circulating feeding mechanism comprises a feeding member (6) and a pumping pump (13) which are arranged on the base (1), the feeding member (6) and the pumping pump (13) are connected with a traversing component which is installed on the base (1), the feeding member (6) is hollow and is positioned on one side of the resin roller (35) far away from the wind-up roller (4), one side of the feeding member facing the resin roller (35) is arc-shaped, and a plurality of discharge holes (20) are formed at equal intervals.

3. The coating device of claim 2, characterized in that a feed hole is further opened on the side of the feeding member (6) away from the resin roller (35), the feed hole is connected with the outlet of the suction pump (13) through a conduit (11), and the inlet of the suction pump (13) is connected with a storage tank (9) arranged at the bottom of the base (1) through a hose (12);

storage case (9) are used for storing printing ink to through many back flows (10) with install box (7) intercommunication on base (1), scraper (8) demountable installation be in on box (7), just seted up one on box (7) and supplied printing ink to flow in the bar opening in box (7).

4. The coating device of claim 3, characterized in that the traverse unit comprises a first screw (16) rotatably mounted on the base (1), a first guide bar (17) fixedly mounted on the base (1), and a traverse plate (18) slidably mounted on the first guide bar (17);

the pump (13) and the feeding piece (6) are both arranged on the traverse plate (18), and the first screw rod (16) penetrates through the traverse plate (18) and is in threaded connection with the traverse plate.

5. The coating device of claim 1, wherein the sliding limiting structure comprises a plurality of protrusions fixedly arranged on the outer periphery of the first transmission shaft (27) and a plurality of grooves arranged on the inner wall of the sleeve (28), and the protrusions and the grooves are arranged in a long strip shape and are matched in a sliding manner.