CN213733980U

CN213733980U - Gravure press

Info

Publication number: CN213733980U
Application number: CN202022571918.5U
Authority: CN
Inventors: 卞俊华
Original assignee: Wuxi Tianchen Technology And Trade Dev Co ltd
Current assignee: Wuxi Tianchen Technology And Trade Dev Co ltd
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2021-07-20
Anticipated expiration: 2030-11-09

Abstract

The application relates to an intaglio printing press, it includes frame, transfer roller and rotatory roller, its characterized in that: the lateral wall of transfer roller with the lateral wall of rotatory roller is tangent, the lateral wall of transfer roller is kept away from the tangent inking cylinder that is provided with of one end of rotatory roller, transfer roller, rotatory roller and inking cylinder all rotate with the frame and are connected, inking cylinder below is provided with puts the china ink groove, it is connected with the frame to put the china ink groove, it has seted up a plurality of overflow holes along the direction of height to put china ink groove lateral wall, the overflow downthehole interpolation of overflow has connect the overflow pipe, the overflow hole was kept away from to the overflow pipe one end is provided with the cork, the overflow pipe opening is plugged up to the cork. The present application has the effect of controlling the amount of ink on the transfer roller.

Description

Gravure press

Technical Field

The application relates to the field of printing equipment technology, in particular to an intaglio printing press.

Background

An intaglio printing press is a printing apparatus in which a transfer roller is coated with ink on a full plate during use of the intaglio printing press, and a pattern on the transfer roller is printed on a sheet by relative movement between the sheet and the transfer roller.

In the related art, patent document CN203945781U discloses an intaglio printing press, which includes a transfer roller and a rotating roller, wherein a concave hole is formed on the circumferential surface of the transfer roller, an ink containing cavity is formed inside the transfer roller, the concave hole is communicated with the ink containing cavity, an ink-guiding body is arranged in the concave hole, the side surface of the ink-guiding body is attached to the inner wall of the concave hole, and the outer surface of the ink-guiding body is flush with the circumferential surface of the transfer roller.

In the related art, the inventor thinks that different patterns correspond to different transfer rollers, and the ink consumption of the transfer rollers is different due to different pattern distribution, so that if the ink amount adhered to the ink-introducing body is not proper and the adhered ink is too much, the ink amount on the transfer roller is too much, the ink on the material is thick, the ink is wasted, and if the adhered ink is too little, the ink amount on the transfer roller is too little, the ink on the material is thin, and the pattern may be unclear.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem of too much or too little ink on the transfer roller, the application provides an intaglio printing press.

The application provides an intaglio printing machine adopts following technical scheme:

an intaglio printing press comprising a frame, a transfer roller and a rotating roller, characterized in that: the lateral wall of transfer roller with the lateral wall of rotatory roller is tangent, the lateral wall of transfer roller is kept away from the tangent inking cylinder that is provided with of one end of rotatory roller, transfer roller, rotatory roller and inking cylinder all rotate with the frame and are connected, inking cylinder below is provided with puts the china ink groove, it is connected with the frame to put the china ink groove, it has seted up a plurality of overflow holes along the direction of height to put china ink groove lateral wall, the overflow downthehole interpolation of overflow has connect the overflow pipe, the overflow hole was kept away from to the overflow pipe one end is provided with the cork, the overflow pipe opening is plugged up to the cork.

By adopting the technical scheme, the ink amount adhered to the inking roller is controlled to control the ink amount on the transfer roller, the ink amount of the inking roller is determined by the depth of the inking roller immersed into the ink part in the ink containing groove, when the ink amount required by the transfer roller is less, the overflow hole with lower height is conducted, the ink in the ink containing groove is shallower, and the depth of the inking roller immersed into the ink part is shallower; when the amount of ink needed by the transfer roller is large, the overflow holes with high height are communicated, the ink in the ink accommodating groove is deep, and the ink-immersed part of the ink-applying roller is deep. The redundant ink can flow to the overflow pipe through the overflow hole and flow out of the overflow pipe, so that the depth of the ink in the ink accommodating groove is kept unchanged.

Optionally, a sealing ring is arranged at an opening of the overflow hole, and the sealing ring is sleeved on the outer side wall of the overflow pipe.

Through adopting above-mentioned technical scheme, increased the leakproofness of overflow hole, reduced the direct condition of discharging from the overflow hole of the printing ink in putting the ink groove.

Optionally, a guide pipe is sleeved at one end of the overflow pipe, which is provided with the cork, and a raw material barrel is arranged below one end of the guide pipe, which is far away from the overflow pipe.

Through adopting above-mentioned technical scheme, make printing ink can flow to former storage bucket through the stand pipe, make and can collect the utilization from putting the interior exhaust printing ink of china ink groove, avoid the waste of printing ink.

Optionally, the lateral wall threaded connection of the one end of the guide pipe is connected with fixed cover to the overflow pipe, and fixed cover includes the solid fixed ring of first solid fixed ring and second, the solid fixed ring of first solid fixed ring and overflow pipe threaded connection, the solid fixed ring of second and guide pipe threaded connection.

Through adopting above-mentioned technical scheme, the setting up of fixed cover makes the position relatively fixed of stand pipe and overflow pipe, and fixed cover and stand pipe threaded connection are convenient for the dismantlement installation of stand pipe.

Optionally, the outer side wall of the ink containing groove is connected with a shielding plate located above the ink containing groove.

By adopting the technical scheme, the shielding plate prevents most of the ink from splashing to the ground due to the over-high rotating speed of the inking roller, so that the working environment is not damaged.

Optionally, a through hole is formed in the shielding plate, a thread groove aligned with the through hole is formed in the outer side wall of the ink containing groove, and a bolt penetrates through the through hole and is in threaded connection with the thread groove.

Through adopting above-mentioned technical scheme, when the printing ink on the shielding plate was too much, can dismantle the shielding plate through the cooperation of cancellation bolt and thread groove, clear up the printing ink on the shielding plate.

Optionally, put the china ink groove lateral wall and seted up into the china ink hole, it is connected with into china ink pipe to advance the china ink hole, the one end of advancing china ink pipe and keeping away from into the china ink hole is connected with the suction pump, the drainage nozzle of suction pump connects into china ink pipe, the suction nozzle on the suction pump is connected with the hose, hose and former storage bucket intercommunication.

Through adopting above-mentioned technical scheme, the suction pump passes through the hose with advance the china ink pipe with the printing ink in the raw materials bucket and pumps to put the china ink groove in, make the printing ink of putting in the china ink groove can keep at the regulation height. Meanwhile, the arrangement of the water suction pump enables the ink to be recycled, the ink is prevented from being solidified in a static state, and the possibility that the gravure printing machine cannot work normally due to the solidification of the ink is reduced.

Optionally, the lower end face of the ink discharge groove is communicated with an ink discharge pipe, and a stop valve is arranged on the ink discharge pipe.

Through adopting above-mentioned technical scheme, when the clearance is discharged to the printing ink of putting the china ink groove to needs, rotate the stop valve and make row's china ink pipe lead to, printing ink is discharged from row's china ink pipe.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the arrangement of the overflow holes can control the depth of ink in the ink accommodating groove, so that the partial depth of the ink-immersed roller is controlled, and the thickness of the ink on the transfer roller is controlled by controlling the partial depth of the ink-immersed roller;

2. the fixed sleeve is convenient for the disassembly and assembly of the guide pipe, and when the amount of the printing ink in the ink containing groove needs to be changed, the guide pipe can be quickly assembled on the corresponding overflow pipe;

3. the overflow pipe, the guide pipe, the raw material barrel, the hose, the water suction pump and the ink inlet pipe form an ink circulation loop, so that the ink can be recycled, and the ink can not be solidified in the circulation motion.

Drawings

Fig. 1 is a schematic structural view of an intaglio printing press according to an embodiment of the present application;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is an exploded view of the ink discharging groove and the shielding plate according to the embodiment of the present application.

Description of reference numerals: 1. a frame; 2. a transfer roller; 3. a rotating roller; 4. an inking roller; 5. an ink tank; 6. an overflow aperture; 7. an overflow pipe; 8. a cork stopper; 9. a seal ring; 10. a guide tube; 11. a raw material barrel; 12. a first retaining ring; 13. a second retaining ring; 14. a shielding plate; 15. a through hole; 16. a thread groove; 17. a bolt; 18. an ink inlet hole; 19. an ink inlet pipe; 20. a water pump; 21. a hose; 22. an ink discharge tube; 23. and a stop valve.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses an intaglio printing press. Referring to fig. 1, the gravure printing machine includes a frame 1, a rotating roller 3 and a transfer roller 2 are rotatably connected to the frame 1, the transfer roller 2 is disposed below the rotating roller 3, an outer sidewall of the transfer roller 2 is tangent to an outer sidewall of the rotating roller 3, and an axis of the transfer roller 2 and an axis of the rotating roller 3 are horizontal. An inking roller 4 is tangentially arranged at one end of the transfer roller 2 far away from the rotating roller 3, the inking roller 4 is also rotationally connected with the frame 1, the inking roller 4 is a cylinder, and the axis of the inking roller 4 is horizontal to the axis of the transfer roller 2. An ink containing groove 5 is arranged below the inking roller 4, the ink containing groove 5 is used for containing ink required by the transfer roller 2, the ink containing groove 5 is welded on the rack 1, the ink containing groove 5 is a square groove, and the width of the ink containing groove 5 is the same as the length of the inking roller 4. The front end face of the ink containing groove 5 is provided with a plurality of overflow holes 6 along the height direction of the ink containing groove 5, the axes of the overflow holes 6 are vertical to the axis of the ink feeding roller 4, and in the embodiment, the number of the overflow holes 6 is three. The lowest end of the lowest overflow hole 6 is higher than the lowest end of the inking roller 4, and the lowest end of the highest overflow hole 6 is lower than the axis of the inking roller 4. The opening part fixedly connected with sealing washer 9 of terminal surface before putting china ink groove 5 is gone up in overflow hole 6 to peg graft and have overflow pipe 7, and the lateral wall at overflow pipe 7 is established to sealing washer 9 cover, and overflow pipe 7 and the coaxial setting of overflow hole 6, the one end opening part that overflow pipe 7 was kept away from to overflow pipe 7 are equipped with cork 8 and plug up the opening. When the needed ink on the transfer roller 2 is less, the cork 8 on the lower overflow pipe 7 is removed, so that the redundant ink can flow out from the lower overflow hole 6, the depth of the ink in the ink tank 5 is kept unchanged, and the depth of the part of the inking roller 4 soaked with the ink is shallow; when more ink is needed on the transfer roller 2, the cork 8 on the higher overflow pipe 7 is removed, so that the redundant ink can flow out from the higher overflow hole 6, the depth of the ink in the ink tank 5 is kept unchanged, and the part of the inking roller 4 soaked with the ink is deeper.

Be equipped with one end threaded connection of cork 8 on the overflow pipe 7 and have a fixed cover, fixed cover includes the solid fixed ring of first solid fixed ring 12 and the solid fixed ring of second 13, and the internal diameter of the solid fixed ring of first solid fixed ring 12 is the same with the internal diameter of the solid fixed ring of second 13, and the solid fixed ring of first solid fixed ring 12 and the solid fixed ring of second 13 an organic whole sets up. First solid fixed ring 12 and overflow pipe 7 threaded connection, the solid fixed ring 13 of second keeps away from one end threaded connection of first solid fixed ring 12 has stand pipe 10, overflow pipe 7 pegs graft in stand pipe 10, the internal diameter size of stand pipe 10 is the same with the external diameter size of overflow pipe 7, the one end orientation ground of fixed cover is kept away from to stand pipe 10, stand pipe 10 below is equipped with raw materials bucket 11 and collects the interior exhaust printing ink of stand pipe 10.

The upper part of the front end surface of the ink tank 5 is also provided with an ink inlet hole 18, so that ink is prevented from flowing out from a gap of the ink inlet hole 18. An ink inlet pipe 19 is inserted in the ink inlet hole 18, one end of the ink inlet pipe 19, which is far away from the ink inlet hole 18, is connected with a water suction pump 20, a water discharge nozzle of the water suction pump 20 is connected with the ink inlet pipe 19, a water suction nozzle on the water suction pump 20 is connected with a hose 21, and one end of the hose 21, which is far away from the water suction nozzle, is inserted into the bottom of the raw material barrel 11. The overflow pipe 7, the guide pipe 10, the raw material barrel 11, the hose 21, the suction pump 20, and the ink inlet pipe 19 constitute an ink circulation circuit, so that the ink can be recycled. An ink discharge pipe 22 is arranged on the lower end surface of the ink discharge groove 5, the ink discharge pipe 22 is communicated with the inner bottom surface of the ink discharge groove 5, and a stop valve 23 is arranged in the middle of the ink discharge pipe 22. The shutoff valve 23 facilitates the control of the conduction of the ink discharge tube 22, thereby controlling the discharge of the ink in the ink discharge tank 5.

Referring to fig. 3, the edge of the upper end of the ink tank 5 is connected with a shielding plate 14, and the length of the shielding plate 14 is slightly greater than that of the ink tank 5, so that the inner side wall of the shielding plate 14 can be attached to the left and right end faces of the ink tank 5. The left end face and the right end face of the shielding plate 14 are provided with through holes 15, the outer side wall of the ink containing groove 5 is provided with a threaded groove 16 aligned with the through holes 15, and a bolt 17 penetrates through the through holes 15 to be in threaded connection with the threaded groove 16, so that the shielding plate 14 is fixed on the ink containing groove 5. When the ink on the shielding plate 14 needs to be cleaned, the bolt 17 is rotated to remove the matching between the bolt 17 and the thread groove 16, and the shielding plate 14 is detached and cleaned.

The implementation principle of the gravure printing machine in the embodiment of the application is as follows: the required printing ink volume of inking cylinder 4 is confirmed, overflow hole 6 with corresponding height is selected, cork 8 on the overflow pipe 7 of corresponding overflow hole 6 is pulled out, first solid fixed ring 12 and overflow pipe 7 threaded connection again, and guide tube 10 again with the solid fixed ring 13 threaded connection of second, when pouring printing ink into toward putting in the ink tank 5 and printing ink flows out from overflow hole 6, restart suction pump 20 and gravure press carry out work.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. An intaglio printing machine comprising a frame (1), a transfer roller (2) and a rotating roller (3), characterized in that: the lateral wall of transfer roller (2) with the lateral wall of rotatory roller (3) is tangent, the lateral wall of transfer roller (2) is kept away from the tangent inking cylinder (4) that is provided with of one end of rotatory roller (3), transfer roller (2), rotatory roller (3) and inking cylinder (4) all rotate with frame (1) and are connected, inking cylinder (4) below is provided with puts china ink groove (5), it is connected with frame (1) to put china ink groove (5), put china ink groove (5) lateral wall and seted up a plurality of overflow holes (6) along the direction of height, it has overflow pipe (7) to peg graft in overflow hole (6), the one end that overflow hole (6) were kept away from in overflow pipe (7) is provided with cork (8), overflow pipe (7) opening is stopped up in cork (8).

2. The intaglio printing press according to claim 1, wherein: the opening part of overflow hole (6) is equipped with sealing washer (9), sealing washer (9) cover is established at overflow pipe (7) lateral wall.

3. The intaglio printing press according to claim 1, wherein: the overflow pipe (7) is equipped with one end tip cover of cork (8) and is equipped with stand pipe (10), stand pipe (10) keep away from the one end below of overflow pipe (7) and be equipped with former feed cylinder (11).

4. The intaglio printing press according to claim 3, wherein: the lateral wall threaded connection that the one end of stand pipe (10) was connected in overflow pipe (7) has fixed cover, and fixed cover includes first solid fixed ring (12) and the solid fixed ring of second (13), first solid fixed ring (12) and overflow pipe (7) threaded connection, the solid fixed ring of second (13) and stand pipe (10) threaded connection.

5. The intaglio printing press according to claim 1, wherein: the outer side wall of the ink containing groove (5) is connected with a shielding plate (14) positioned above the ink containing groove (5).

6. The intaglio printing press according to claim 5, wherein: the shielding plate (14) is provided with a through hole (15), the outer side wall of the ink containing groove (5) is provided with a thread groove (16) aligned with the through hole (15), and a bolt (17) penetrates through the through hole (15) and is in threaded connection with the thread groove (16).

7. The intaglio printing press according to claim 1, wherein: put china ink groove (5) lateral wall and seted up into china ink hole (18), it is connected with into china ink pipe (19) to advance china ink hole (18), the one end of keeping away from into china ink hole (18) of advancing china ink pipe (19) is connected with suction pump (20), the water drainage nozzle of suction pump (20) is connected into china ink pipe (19), the water suction nozzle on suction pump (20) is connected with hose (21), the one end and former storage bucket (11) intercommunication of water suction nozzle are kept away from in hose (21).

8. The intaglio printing press according to claim 1, wherein: the lower end face of the ink discharge groove (5) is communicated with an ink discharge pipe (22), and a stop valve (23) is arranged on the ink discharge pipe (22).