CN214606579U - Self-cleaning printing equipment - Google Patents

Abstract

The utility model discloses a self-cleaning printing device, which relates to the technical field of gravure printing devices and comprises a frame, wherein an auxiliary roller, a transfer roller and a printing ink box are sequentially arranged on the frame from top to bottom, both sides of the width direction of the frame are fixedly provided with cylinders, the piston rod ends of the cylinders are fixedly provided with sliders sliding with the frame, a printing roller is rotatably arranged between the two sliders, and a cleaning frame is sleeved on the printing roller; a liquid spraying ring is rotatably arranged on the cleaning frame, the liquid spraying ring is sleeved on the printing roller, a plurality of first nozzles are fixedly arranged on the inner side of the liquid spraying ring, and a liquid guide pipe communicated with the first nozzles is fixedly arranged on the liquid spraying ring; the cleaning frame is provided with a driving mechanism for driving the liquid spraying ring to rotate. The utility model provides a can carry out self-cleaning and cleaning performance good, efficient, convenient to use's lithography apparatus of automatically cleaning to printing ink on the printing roller.

Description

Self-cleaning printing equipment

Technical Field

The utility model relates to an intaglio printing equipment technical field especially relates to a lithography apparatus of automatically cleaning.

Background

The printing machine is a machine for printing characters and images, and the modern printing machine generally comprises mechanisms such as plate loading, inking, stamping, paper conveying and the like, and the working principle of the modern printing machine is as follows: firstly, characters and images to be printed are made into a printing plate and are arranged on a printing machine, then ink is coated on the position, where the characters and the images are arranged, of the printing plate by manpower or the printing machine, and then the ink is directly or indirectly transferred to paper or other printing stocks, so that the same printed matters of the printing plate are copied, and at present, the application of the printing machine on food packaging bags is also more and more extensive; the packaging bag after printing is wound and conveyed, and the printing ink on the packaging bag is damaged in the winding process, so that the quality of a finished packaging bag product is influenced, and therefore the packaging bag needs to be dried firstly.

The current chinese utility model patent of No. CN206870587U of granting bulletin provides a cleaning device of printing machine, including the quick-witted case that is located printing machine pan feeding mouth department, alternate in quick-witted case parallel arrangement the bull stick, fix the fixed plate on the bull stick, be close to inside the printing machine fixed plate bottom is fixed with the rubber cylinder that contacts with the cardboard upper surface, keeps away from inside the printing machine fixed plate bottom is fixed with the brush that contacts with the cardboard upper surface, the bull stick all is fixed with the gear, be equipped with splint between the gear, the splint both sides all are fixed with the rack with gear engaged with, still be provided with on the quick-witted case and be used for driving the rack and do reciprocating motion's actuating mechanism from top to bottom.

The above prior art solutions have the following drawbacks: the brush cleans the paperboard adhered with the ink in the reciprocating motion process, the ink has viscosity, part of the ink can be adhered to the surface of the paperboard in the continuous printing process and even adhered, and the adhered ink is not cleaned up enough only through the brush to influence the printing quality.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a lithography apparatus of automatically cleaning utilizes the hydrojet ring to erupt the cleaner that flows at a high speed and strike the washing to printing roller surface to the hydrojet ring can rotate in order to carry out the omnidirectional washing to the printing roller in the printing roller outside, effectively improves the cleaning performance of printing roller, guarantees the printing quality.

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

a self-cleaning printing device comprises a rack, wherein an auxiliary roller, a transfer roller and an ink box are sequentially arranged on the rack from top to bottom, air cylinders are fixedly arranged on two sides of the width direction of the rack, slide blocks which slide with the rack are fixedly arranged at the piston rod ends of the air cylinders, a printing roller is rotatably arranged between the two slide blocks, a cleaning frame is sleeved on the printing roller, and a moving mechanism for driving the cleaning frame to move along the axial direction of the printing roller is further arranged on each slide block; the cleaning frame is rotatably provided with a liquid spraying ring, the liquid spraying ring is sleeved on the printing roller, the inner side of the liquid spraying ring is fixedly provided with a plurality of first spray heads, the liquid spraying ring is fixedly provided with a liquid guide pipe communicated with the first spray heads, and the liquid guide pipe is provided with a first interface used for communicating with a cleaning agent; and the cleaning frame is provided with a driving mechanism for driving the liquid spraying ring to rotate.

Through adopting above-mentioned technical scheme, when needing to clear up the printing roller, utilize the cylinder to promote the slider, make the printing roller keep away from transfer roller and supplementary roller, then the axial displacement of cleaning frame along the printing roller under moving mechanism's drive, spout the liquid ring and rotate in the printing roller outside this in-process, first shower nozzle sprays the cleaner to the surface of printing roller simultaneously, the cleaner that flows at a high speed erodees the washing to the surface of printing roller, guarantee that printing roller surface printing ink is by the sanitization, guarantee the printing quality.

The utility model discloses further set up to: the frame is further rotatably provided with a first brush ring, the first brush ring is sleeved on the printing roller, first bristles are fixedly arranged on the inner side of the first brush ring, and the first brush ring rotates under the driving of the driving mechanism.

Through adopting above-mentioned technical scheme, when the hydrojet ring sprays the cleaner to printing roller surface, first brush ring rotates under actuating mechanism's drive, and first brush hair is scrubbed the surface of printing roller, also can be by the clean up in the gap on assurance printing roller surface, further improves the cleaning effect to printing roller.

The utility model discloses further set up to: one side of the first brush ring, which is far away from the liquid spraying ring, is provided with a water spraying ring which is matched with the cleaning frame in a rotating mode, the water spraying ring is sleeved on the printing roller, a second spray head is fixedly arranged on the inner side of the water spraying ring, a water guide pipe communicated with the second spray head is fixedly arranged on the water spraying ring, a second interface used for communicating clean water is arranged on the water guide pipe, and the water spraying ring rotates under the driving of the driving mechanism.

By adopting the technical scheme, after the liquid spraying ring sprays the cleaning agent on the surface of the printing roller, the first brush ring brushes the surface of the printing roller, and finally the water spraying ring sprays clean water on the surface of the printing roller to clean the cleaning agent on the surface of the printing roller, so that the cleaning effect on the surface of the printing roller is further improved.

The utility model discloses further set up to: and a second brush ring sleeved on the printing roller is also arranged between the first brush ring and the water spraying ring, second brush bristles are fixedly arranged on the inner side of the second brush ring, and the second brush ring rotates in a direction opposite to that of the first brush ring under the driving of the driving mechanism.

By adopting the technical scheme, the first brush ring and the second brush ring rotate reversely, so that the first brush bristles and the second brush bristles can scrub the surface of the printing roller without dead angles, and the self-cleaning effect and the reliability of the printing equipment are effectively improved.

The utility model discloses further set up to: the driving mechanism comprises a first motor fixedly arranged on the cleaning frame, a driving rod is fixedly arranged at the shaft end of the first motor, a connecting rod is hinged to one end, away from the first motor, of the driving rod, a driven rod is hinged to one end, away from the driving rod, of the connecting rod, and a rotating shaft in rotating fit with the cleaning frame is fixedly arranged at one end, away from the connecting rod, of the driven rod; driven gears are fixedly arranged on the outer sides of the liquid spraying ring, the first brushing ring and the water spraying ring, and three driving gears which are respectively meshed with the three driven gears are fixedly arranged on the rotating shaft; the cleaning rack is characterized in that a reverse gear is fixedly arranged on the outer side of the second brush ring, a reversing gear meshed with the reverse gear is rotatably arranged on the cleaning rack, and a rotating gear meshed with the reversing gear is fixedly arranged on the rotating shaft.

Through adopting above-mentioned technical scheme, under the drive of first motor, the actuating lever uses first motor axis to rotate as the center, and the transmission of connecting rod becomes the swing of driven lever with the rotation of actuating lever, and the driven lever is at the wobbling in-process, and the pivot will carry out fixed angle's reciprocating rotation. The liquid spraying ring, the first brushing ring and the water spraying ring can synchronously and unidirectionally rotate under the transmission action of the driving gear and the driven gear, and the second brushing ring synchronously and reversely rotates with the liquid spraying ring, the first brushing ring and the water spraying ring after the transmission action of the rotating gear, the reversing gear and the reversing gear.

The utility model discloses further set up to: the moving mechanism comprises a slide bar fixedly connected between two slide blocks, a threaded rod is rotatably connected between the two slide blocks, the slide bar is in sliding fit with the cleaning frame, the threaded rod is in threaded fit with the cleaning frame, a second motor is fixedly arranged on one of the slide blocks, and the shaft end of the second motor is fixedly connected with the threaded rod.

Through adopting above-mentioned technical scheme, under the drive of second motor, the threaded rod rotates, because the limiting displacement of slide bar to the clearance frame makes the clearance frame receive the drive of threaded rod to remove along the axis direction of printing roller.

The utility model discloses further set up to: the cleaning frame comprises a splash guard.

Through adopting above-mentioned technical scheme, the splashproof cover can avoid effectively guaranteeing this lithography apparatus's clean and tidy nature in the splashing of washing the in-process various liquid of printing roller.

The utility model discloses further set up to: and a waste liquid tank is formed at the bottom of the splash guard.

Through adopting above-mentioned technical scheme, various waste liquids that the cleaning process produced can be accepted to the waste liquid groove to supply operating personnel centralized processing after collecting, guarantee this lithography apparatus's use convenience.

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

(1) the utility model discloses utilize the hydrojet ring to spout high-speed mobile cleaner and strike the washing to printing roller surface, then utilize first brush ring and the second brush ring of antiport to scrub printing roller surface, utilize the spray ring to wash the cleaner on printing roller surface and catch up at last, guarantee that the printing roller obtains omnidirectional washing, effectively improve the cleaning performance to the printing roller, guarantee the printing quality;

(2) the utility model collects the waste liquid generated in the cleaning process by utilizing the waste liquid tray, thereby facilitating the centralized treatment of operators;

(3) the utility model discloses utilize the splash guard to guarantee that printing roller can not splash at will by the cleaning process in the waste liquid, guarantee this lithography apparatus's clean and tidy nature.

Drawings

Fig. 1 is an axial view of the overall structure of an embodiment of the present invention;

fig. 2 is a schematic view of a side view of a partially cut-away axial measurement of the cleaning frame according to an embodiment of the present invention, which mainly shows the relative positions of the liquid spraying ring, the first brush ring, the second brush ring, the water spraying ring and the cleaning frame;

fig. 3 is a schematic view of a partially cut-away axial view of a cleaning frame in an embodiment of the present invention, which mainly shows the structure of the driving mechanism;

fig. 4 is a schematic view of a partially cut axial view of a liquid-jet ring according to an embodiment of the present invention, which mainly shows the structure of the liquid-jet ring;

fig. 5 is a schematic view of a water spray ring according to an embodiment of the present invention, which is partially cut along an axis, and mainly shows the structure of the water spray ring;

fig. 6 is a schematic axial view of a first brush ring according to an embodiment of the present invention;

fig. 7 is a schematic axial view of a second brush ring according to an embodiment of the present invention.

Reference numerals: 1. a frame; 2. a cylinder; 3. a slider; 4. a printing roller; 5. an auxiliary roller; 6. a transfer roller; 7. an ink cartridge; 8. a slide bar; 9. a threaded rod; 10. a second motor; 11. cleaning the rack; 111. a splash guard; 112. a waste liquid tank; 113. a liquid outlet pipe; 12. a sliding hole; 13. a threaded hole; 14. a liquid spraying ring; 15. a first brush ring; 16. a second brush ring; 17. a water spray ring; 18. an arc-shaped slideway; 19. a guide bar; 20. a catheter; 21. a first nozzle; 22. a first interface; 23. a water conduit; 24. a second nozzle; 25. a second interface; 26. a first bristle; 27. a second bristle; 28. a first motor; 29. a drive rod; 30. a connecting rod; 31. a driven lever; 32. a rotating shaft; 33. a driven gear; 34. a drive gear; 35. a reverse gear; 36. a reversing gear; 37. a rotating gear; 38. a chute.

Detailed Description

The present invention will now be described more fully hereinafter with reference to the accompanying examples.

Referring to the attached drawing 1, a printing device of automatically cleaning, including frame 1, the equal shaping in both sides of frame 1 width direction has spout 38, spout 38 internal slipping is provided with slider 3, the both sides of frame 1 width direction all are fixed and are provided with cylinder 2, the tailpiece of the piston rod of cylinder 2 with correspond side slider 3 fixed connection, it is provided with printing roller 4 to rotate between two sliders 3, the upside of printing roller 4 is provided with printing roller 4 butt and with frame 1 rotation connection's auxiliary roller 5, the downside of printing roller 4 is provided with printing roller 4 butt and with frame 1 rotation connection's transfer roller 6, the downside of transfer roller 6 is provided with the ink cartridge 7 with frame 1 fixed connection. When the printing machine is used, ink for printing is contained in the ink box 7, the transfer roller 6 transfers the ink in the ink box 7 to the printing roller 4, the printing carrier penetrates through the space between the printing roller 4 and the auxiliary roller 5, and the ink is transferred to the printing carrier from the printing roller 4 under the combined action of the printing roller 4 and the auxiliary roller 5. The sliding of the slide 3 on the frame 1, driven by the cylinder 2, enables the printing roller 4 to be distanced from the auxiliary roller 5 and the transfer roller 6.

The self-cleaning printing equipment further comprises a moving mechanism, the moving mechanism comprises a slide rod 8 and a threaded rod 9, the slide rod 8 is located between the two sliders 3 and fixedly connected with the two sliders 3, the threaded rod 9 is rotatably connected with the two sliders 3, the slide rod 8 and the threaded rod 9 are respectively arranged at two sides of the printing roller 4, a second motor 10 is fixedly arranged on one slider 3, and the shaft end of the second motor 10 is fixedly connected with the threaded rod 9; a cleaning frame 11 is sleeved on the printing roller 4, and a sliding hole 12 in sliding fit with the sliding rod 8 and a threaded hole 13 in threaded fit with the threaded rod 9 are respectively formed in two sides of the cleaning frame 11. The threaded rod 9 rotates under the driving of the second motor 10, and the cleaning frame 11 moves along the axial direction of the printing roller 4 due to the limiting effect of the slide rod 8.

Referring to fig. 2, the cleaning rack 11 includes a splash guard 111, a waste liquid tank 112 is formed on the lower side of the splash guard 111, and a liquid outlet pipe 113 communicated with the interior of the waste liquid tank 112 is fixedly arranged at the bottom of the waste liquid tank 112.

Along its length direction in the clearance frame 11 have set gradually the hydrojet ring 14 of cup jointing on printing roller 4, first brush ring 15, second brush ring 16, water spray ring 17, combine figure 4, figure 5, figure 6, figure 7, hydrojet ring 14, first brush ring 15, second brush ring 16, it has four along the arc slide 18 of its circumference extension all to shape on the water spray ring 17, fixed four guide arms 19 of wearing to locate in the slide that are provided with on the clearance frame 11, hydrojet ring 14, first brush ring 15, second brush ring 16, water spray ring 17 all can carry out the rotation of fixed angle under the spacing of guide arm 19. With reference to fig. 4 and 5, the liquid spraying ring 14 and the water spraying ring 17 are both hollow structures, a liquid guiding tube 20 is fixedly arranged in the liquid spraying ring 14, first nozzles 21 communicated with the liquid guiding tube 20 are uniformly distributed and fixed on the inner side of the liquid spraying ring 14, a first connector 22 communicated with the liquid guiding tube 20 is also fixedly arranged on the liquid spraying ring 14, and the first connector 22 is communicated with a cleaning agent; a water guide pipe 23 is fixedly arranged in the water spray ring 17, second spray heads 24 communicated with the water guide pipe 23 are uniformly distributed and fixed on the inner side of the water spray ring 17, a second connector 25 communicated with the water guide pipe 23 is fixedly arranged on the water spray ring 17, and the second connector 25 is communicated with clean water. Referring to fig. 6 and 7, first bristles 26 and second bristles 27 are fixedly arranged on the inner sides of the first brush ring 15 and the second brush ring 16, respectively.

Referring to fig. 3, the self-cleaning printing device further includes a driving mechanism, the driving mechanism includes a first motor 28 fixed on the cleaning frame 11, a driving rod 29 is fixedly disposed at an end of the first motor 28, a connecting rod 30 is hinged to an end of the driving rod 29 away from the first motor 28, a driven rod 31 is hinged to an end of the connecting rod 30 away from the driving rod 29, and a rotating shaft 32 rotatably engaged with the cleaning frame 11 is fixedly disposed at an end of the driven rod 31 away from the connecting rod 30. When the first motor 28 is driven, the driving rod 29 rotates around the axis of the first motor 28, the driving action of the link 30 changes the rotation of the driving rod 29 into the swing of the driven rod 31, and the rotating shaft 32 performs a reciprocating rotation with a fixed angle during the swing of the driven rod 31. Driven gears 33 are fixedly arranged on the outer sides of the liquid spraying ring 14, the first brush ring 15 and the water spraying ring 17, and three driving gears 34 which are respectively meshed with the three driven gears 33 are fixedly arranged on the rotating shaft 32; a reversing gear 35 is fixedly arranged on the outer side of the second brush ring 16, a reversing gear 36 meshed with the reversing gear 35 is rotatably arranged on the cleaning frame 11, and a rotating gear 37 meshed with the reversing gear 36 is fixedly arranged on the rotating shaft 32. The liquid spraying ring 14, the first brush ring 15 and the water spraying ring 17 will synchronously and unidirectionally rotate under the transmission action of the driving gear 34 and the driven gear 33, and the second brush ring 16 synchronously and reversely rotate with the liquid spraying ring 14, the first brush ring 15 and the water spraying ring 17 after the transmission action of the rotating gear 37, the reversing gear 36 and the reversing gear 35.

The working principle of the embodiment is as follows: when the ink on the surface of the printing roller 4 needs to be cleaned, firstly, the printing roller 4 is far away from the auxiliary roller 5 and the transfer roller 6, then the cleaning frame 11 is driven by the second motor 10 to move along the axial direction of the printing roller 4 in a one-way mode, in the process, the liquid spraying ring 14 firstly sprays cleaning agent flowing at a high speed to impact and clean the surface of the printing roller 4, then the first brush ring 15 and the second brush ring 16 rotating in opposite directions are used for scrubbing the surface of the printing roller 4, and finally the cleaning agent on the surface of the printing roller 4 is flushed and tightened by the water spraying ring 17. Printing roller 4 can obtain the omnidirectional washing in this embodiment, is difficult for producing and washs the dead angle, effectively improves printing roller 4's cleaning performance, guarantees the printing quality of printing product.

The above, only do the preferred embodiment of the present invention, not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides a lithography apparatus of automatically cleaning, includes frame (1), from last supplementary roller (5), transfer roller (6), ink cartridge (7) down having set gradually on frame (1), its characterized in that: the automatic cleaning machine is characterized in that cylinders (2) are fixedly arranged on two sides of the width direction of the rack (1), slide blocks (3) sliding with the rack (1) are fixedly arranged at the piston rod ends of the cylinders (2), a printing roller (4) is rotatably arranged between the two slide blocks (3), a cleaning frame (11) is sleeved on the printing roller (4), and a moving mechanism for driving the cleaning frame (11) to move axially along the printing roller (4) is further arranged on each slide block (3); the cleaning frame (11) is rotatably provided with a liquid spraying ring (14), the liquid spraying ring (14) is sleeved on the printing roller (4), the inner side of the liquid spraying ring (14) is fixedly provided with a plurality of first spray heads (21), the liquid spraying ring (14) is fixedly provided with a liquid guide pipe (20) communicated with the first spray heads (21), and the liquid guide pipe (20) is provided with a first interface (22) used for communicating with a cleaning agent; and a driving mechanism for driving the liquid spraying ring (14) to rotate is arranged on the cleaning frame (11).

2. A self-cleaning printing apparatus as claimed in claim 1, wherein: still rotate on frame (1) and be provided with first brush ring (15), first brush ring (15) cup joint on printing roller (4), the inboard of first brush ring (15) is fixed and is provided with first brush hair (26), first brush ring (15) rotate under actuating mechanism's drive.

3. A self-cleaning printing apparatus as claimed in claim 2, wherein: one side of the first brush ring (15) far away from the liquid spraying ring (14) is provided with a water spraying ring (17) which is matched with the cleaning frame (11) in a rotating mode, the water spraying ring (17) is sleeved on the printing roller (4) and the inner side of the printing roller is fixedly provided with a second spray head (24), a water guide pipe (23) communicated with the second spray head (24) is fixedly arranged on the water spraying ring (17), a second interface (25) used for communicating clear water is arranged on the water guide pipe (23), and the water spraying ring (17) rotates under the driving of the driving mechanism.

4. A self-cleaning printing apparatus as claimed in claim 3, wherein: a second brush ring (16) sleeved on the printing roller (4) is also arranged between the first brush ring (15) and the water spraying ring (17), second brush bristles (27) are fixedly arranged on the inner side of the second brush ring (16), and the second brush ring (16) rotates in a direction opposite to that of the first brush ring (15) under the driving of a driving mechanism.

5. A self-cleaning printing apparatus as claimed in claim 4, wherein: the driving mechanism comprises a first motor (28) fixedly arranged on the cleaning frame (11), a driving rod (29) is fixedly arranged at the shaft end of the first motor (28), a connecting rod (30) is hinged to one end, far away from the first motor (28), of the driving rod (29), a driven rod (31) is hinged to one end, far away from the driving rod (29), of the connecting rod (30), and a rotating shaft (32) in rotating fit with the cleaning frame (11) is fixedly arranged at one end, far away from the connecting rod (30), of the driven rod (31); driven gears (33) are fixedly arranged on the outer sides of the liquid spraying ring (14), the first brush ring (15) and the water spraying ring (17), and three driving gears (34) which are respectively meshed with the three driven gears (33) are fixedly arranged on the rotating shaft (32); the outer side of the second brush ring (16) is fixedly provided with a reverse gear (35), the cleaning frame (11) is rotatably provided with a reversing gear (36) meshed with the reverse gear (35), and the rotating shaft (32) is fixedly provided with a rotating gear (37) meshed with the reversing gear (36).

6. A self-cleaning printing apparatus as claimed in claim 1, wherein: the moving mechanism comprises a sliding rod (8) fixedly connected between two sliding blocks (3), a threaded rod (9) is rotatably connected between the two sliding blocks (3), the sliding rod (8) is in sliding fit with a cleaning frame (11), the threaded rod (9) is in threaded fit with the cleaning frame (11), a second motor (10) is fixedly arranged on one sliding block (3), and the shaft end of the second motor (10) is fixedly connected with the threaded rod (9).

7. A self-cleaning printing apparatus as claimed in claim 1, wherein: the cleaning frame (11) comprises a splash guard (111).

8. A self-cleaning printing apparatus as claimed in claim 7, wherein: and a waste liquid groove (112) is formed at the bottom of the splash guard (111).

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