CN214522769U

CN214522769U - Ink transmission system of printing unit of rotary press

Info

Publication number: CN214522769U
Application number: CN202120880582.2U
Authority: CN
Inventors: 田桂生; 陈日健
Original assignee: Yunchang Special Printing Shenzhen Co ltd
Current assignee: Yunchang Special Printing Shenzhen Co ltd
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2021-10-29
Anticipated expiration: 2031-04-26

Abstract

The application discloses an ink transfer system of a printing unit of a rotary press, which relates to the technical field of presses and solves the problem of low printing quality, and comprises a case, a printing roller, an ink distributing roller, an ink tank and an ink conveying pipe; a driving source for driving the printing roller and the ink distributing roller to rotate in opposite directions is arranged on the machine box; the side wall of the ink conveying pipe is provided with a nozzle along the length direction, the ink conveying pipe is arranged on the outer wall of the ink box and is positioned on the inclined upper side of the ink distributing roller, a water pump for supplying ink to the ink conveying pipe is arranged in the ink box, an ink blocking plate is arranged on the outer wall of the ink box above the ink conveying pipe, and a gap is formed between one side of the ink blocking plate and the ink distributing roller so that the ink on the ink distributing roller can be transferred to the printing roller; a collecting box is arranged below the ink distributing roller in the case, and the bottom of the collecting box is communicated with the ink tank. The application can effectively improve the printing quality.

Description

Ink transmission system of printing unit of rotary press

Technical Field

The application relates to the technical field of printing machines, in particular to an ink transfer system of a printing unit of a rotary printing machine.

Background

The printer, as a machine for printing characters and images, plays an important role in the spread of human civilization and civilian. With the rapid development of society, the rotary press is widely applied and developed.

The utility model discloses a china utility model bulletin number is CN211363944U discloses a novel rotary press, including quick-witted case, the back fixedly connected with driving motor of machine case, driving motor's output shaft fixedly connected with printing roller, the first telescopic cylinder of the top fixedly connected with of machine incasement chamber, the bottom fixedly connected with buffer of first telescopic cylinder, the telescopic cylinder of the bottom fixedly connected with second of machine incasement chamber. The top fixedly connected with collecting box of the flexible cylinder of second, the inner chamber of collecting box is provided with the ink distribution roller, and there is the ink tank left side of collecting box through the hose intercommunication.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: in the rotating process of the ink distributing roller, partial ink is easy to directly splash onto the printing roller under the centrifugal action, so that the ink on the printing roller is uneven, the ink on a printing stock (such as a paperboard, a wood board, a metal plate and the like) is uneven, and the printing quality is reduced.

SUMMERY OF THE UTILITY MODEL

In order to improve the printing quality of a rotary press, the application provides an ink transfer system of a printing unit of the rotary press.

The application provides a rotary press printing unit's biography black system adopts following technical scheme:

an ink transfer system of a rotary press printing unit comprises a case for a printing stock to horizontally pass through, a printing roller arranged in the case, an ink distributing roller arranged in the case and jointed with the printing roller, an ink box arranged in the case and an ink conveying pipe for spraying ink to the ink distributing roller; a driving source for driving the printing roller and the ink distributing roller to rotate in opposite directions is arranged on the case; the lateral wall of the ink conveying pipe is provided with a nozzle, the ink conveying pipe is arranged on the outer wall of the ink box and is positioned on the inclined upper side of the ink distributing roller, a water pump for supplying ink to the ink conveying pipe is arranged in the ink box, an ink blocking plate is arranged on the outer wall of the ink box above the ink conveying pipe, and a gap is formed between one side of the ink blocking plate and the ink distributing roller so that the ink on the ink distributing roller can be transferred to the printing roller; and a collecting box is arranged below the ink distributing roller in the case, and the bottom of the collecting box is communicated with the ink tank.

Through adopting above-mentioned technical scheme, the defeated ink pipe evenly sprays ink on dividing the ink roller through the spout, even there is a small amount of ink to splash from dividing the ink roller, can be with the ink separation through setting up of fender ink board, the ink that significantly reduces spatters the possibility to the printing roller to effectively improve the printing quality of printing roller. The ink ejected from the ink feed tube and the ink flowing down from the ink separation roller can be collected and reused by the collecting box.

Optionally, one end of the water pump is connected with a main pipeline, a plurality of ink distributing pipes are connected between the main pipeline and the ink conveying pipe, and the communicating parts of the ink distributing pipes and the ink conveying pipe are distributed at intervals along the length direction of the ink conveying pipe.

Through adopting above-mentioned technical scheme, divide the setting of china ink pipe can be with ink comparatively evenly dispersed to the nozzle department to divide the ink roller to spray ink evenly.

Optionally, install the scraping board that is used for scraping the debris from printing roller adhesion on dividing the ink roller in the collecting box, still install the adjusting part that is used for adjusting the laminating degree of closeness between scraping board and the branch ink roller in the collecting box.

By adopting the technical scheme, the printing roller is contacted with the printing stock, dust and sundry scraps can adhere to the printing roller, the dust and sundry scraps can adhere to the ink distributing roller again, and the dust and sundry scraps can be scraped off by the arrangement of the ink scraping plate, so that the cleanness and tidiness of the ink distributing roller are kept; and the contact tightness degree between the ink scraping plate and the ink distributing roller is adjusted through the adjusting assembly, so that the ink scraping plate effectively scrapes the ink distributing roller.

Optionally, one side of the ink scraping plate, which is far away from the ink distributing roller, is hinged to the side wall of the collecting box, the other side of the ink scraping plate is obliquely and upwards erected on the side wall of the ink distributing roller, and the rotating axis of the ink scraping plate is parallel to the axis of the ink distributing roller; the adjusting assembly comprises an adjusting rod, two tension springs and a locking piece for fixing the adjusting rod, and the two tension springs are distributed at two ends of the length direction of the ink scraping plate; one end of the tension spring is connected to the collecting box on the side wall below the ink scraping plate, the other end of the tension spring is connected to the ink scraping plate, and the tension spring is always in a stretching state; the adjusting rod is horizontally arranged and can horizontally move along the direction perpendicular to the length direction of the adjusting rod, and the side wall of the adjusting rod is abutted against the side wall of the ink scraping plate facing the bottom wall of the collecting box.

By adopting the technical scheme, after the end part of the ink scraping plate is abraded, the fixing of the locking piece on the adjusting rod is released, and one side of the ink scraping plate is tightly propped against the ink distributing roller under the action of the tension spring; move along the horizontal direction of its self length of perpendicular to through adjusting the pole afterwards to adjust the contact inseparable degree between scraping board and the minute ink roller, avoid scraping board too tightly on dividing the ink roller, cause to divide the condition that the ink roller rotates and receive great resistance to take place, influence normal work.

Optionally, the locking member includes two locking nuts, two sides of the chassis and the collection box are both provided with a long-strip groove for horizontally erecting two ends of the adjusting rod, and the long-strip groove is horizontally provided; two ends of the adjusting rod extend to the outer wall of the case; the two locking nuts are correspondingly in threaded connection with the end part of the adjusting rod.

Through adopting above-mentioned technical scheme, through the lock nut who adjusts pole both ends, rotate lock nut and support tightly on the outer wall of quick-witted case, can fix adjusting screw.

Optionally, a filter screen is installed in the collection box.

Through adopting above-mentioned technical scheme, the impurity in the ink that can effective filtration follow top drippage is arranged to the filter screen.

Optionally, the filter screen is detachably mounted in the collecting box, and a stepped groove for placing the filter screen is formed in the inner wall of the collecting box.

Through adopting above-mentioned technical scheme, the filter screen is placed on the ladder groove, is convenient for take out the clearance with it.

Optionally, the driving source includes driving motor and gear, the gear is provided with two and intermeshing, and two gear one-to-ones are installed on printing roller and minute ink roller, driving motor's output shaft and one of them gear connection to drive two gear intermeshing and rotate.

Through adopting above-mentioned technical scheme, driving motor drives one of them gear rotation, can drive printing roller and divide the ink roller to rotate for divide the ink on the ink roller to convey to the printing roller.

In summary, the present application includes at least one of the following benefits:

1. the ink conveying pipe uniformly sprays the ink on the ink distributing roller through the nozzle, and the ink can be blocked through the arrangement of the ink blocking plate, so that the possibility that the ink is splashed onto the printing roller is greatly reduced, and the printing quality of the printing roller is effectively improved; the ink ejected from the ink conveying pipe and the ink flowing down from the ink distributing roller can be collected by the collecting box for reuse;

2. the scraping plate and the filter screen are arranged, so that sundry scraps adhered to the ink distributing roller can be scraped, and the sundry scraps fall into the filter screen in the collecting box to be filtered.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is an overall sectional view of the present embodiment;

FIG. 3 is a schematic structural diagram of the main pipe, the ink distributing pipe and the ink conveying pipe in the present embodiment;

fig. 4 is an enlarged schematic view at a in fig. 2.

Description of reference numerals: 1. a chassis; 11. a printing roller; 12. an ink distributing roller; 2. an ink tank; 21. a water pump; 22. a main pipeline; 23. an ink distributing pipe; 3. an ink delivery tube; 31. a spout; 4. a drive source; 41. a drive motor; 42. a gear; 5. an ink baffle plate; 6. a squeegee; 7. a collection box; 71. a filter screen; 72. a stepped groove; 8. an adjustment assembly; 81. adjusting a rod; 82. a tension spring; 83. locking the nut; 9. a long groove.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a rotary press printing unit's biography black system. Referring to fig. 1 and 2, the ink transfer system includes a cabinet 1 through which a printing material horizontally passes, a printing roller 11 installed in the cabinet 1, a distribution roller 12 installed in the cabinet 1 to be attached to the printing roller 11, an ink tank 2 installed in the cabinet 1, and an ink feed tube 3 for jetting ink to the distribution roller 12.

Referring to fig. 1, a driving source 4 is mounted on an outer wall of a cabinet 1. The drive source 4 includes a drive motor 41 and two gears 42 that mesh with each other. One end of the printing roller 11 on the same side as the ink distributing roller 12 extends to the outer wall of the machine case 1. The two gears 42 are correspondingly fixed on the outer walls of the ends of the printing roller 11 and the ink distributing roller 12. The output shaft of the drive motor 41 is keyed to the gear 42 on the printing roller 11. The driving motor 41 rotates to drive the two gears 42 to rotate in an engaged manner, so as to drive the printing roller 11 and the ink distributing roller 12 to rotate in a reverse direction, and the ink on the ink distributing roller 12 is transferred to the printing roller 11.

Referring to fig. 2 and 3, a water pump 21 is fixed on the upper end of the inner wall of the ink tank 2 by a bolt, one end of the water pump 21 is connected with a water pipe, and the water pipe is communicated to the bottom of the ink tank 2; the other end of the water pump 21 is connected with a main pipeline 22, and a plurality of ink distributing pipes 23 are communicated between the main pipeline 22 and the ink conveying pipe 3. The communication parts of the ink distributing pipes 23 and the ink conveying pipes 3 are uniformly distributed at intervals along the length direction of the ink conveying pipes 3. The ink feed pipe 3 is positioned on the inclined upper side of the ink distributing roller 12, and the side wall of the ink feed pipe 3 close to the ink distributing roller 12 is provided with a slender nozzle 31 along the length direction.

Referring to fig. 2 and 4, an ink baffle 5 is welded to the outer wall of the ink tank 2, the ink baffle 5 is disposed obliquely downward toward the ink distributing roller 12, and the ink baffle 5 is located above the ink feed tube 3. A gap is formed between the side of the ink baffle 5 away from the ink tank 2 and the ink distribution roller 12 to allow the ink on the ink distribution roller 12 to be smoothly transferred to the printing roller 11.

Referring to fig. 2 and 4, in order to collect ink, a catcher 7 is bolted and mounted below the ink distributing roller 12 in the cabinet 1. The ink collecting box 7 and the ink tank 2 are attached to each other, and the bottom of the ink collecting box 7 and the ink tank 2 are communicated with each other, so that the ink dropped from the ink distributing roller 12 can be reused.

Referring to fig. 2 and 4, dust and sundries on the printing material adhere to the printing roller 11, and after the ink distributing roller 12 contacts the printing roller 11, the sundries need to be cleaned to keep the ink distributing roller 12 clean and tidy. The collecting box 7 is thus internally articulated with a doctor blade 6 and an adjustment assembly 8 which controls the tightness of contact between the doctor blade and the distribution roller 12. One side of the ink scraping plate 6 is hinged on one side wall of the collecting box 7 far away from the ink box 2, and the other side of the ink scraping plate is obliquely and upwards erected on the side wall of the ink distributing roller 12; so that the scraped debris and ink flow along the scraping plate 6 into the collecting tank 7.

Referring to fig. 2 and 4, the adjusting assembly 8 includes an adjusting lever 81, a tension spring 82, and a locker. Two tension springs 82 are arranged and correspondingly distributed at two ends of the length direction of the ink scraping plate 6, one end of each tension spring 82 is fixedly welded with the side wall of the collecting box 7 below the ink scraping plate 6, and the other end of each tension spring 82 is fixedly welded with the side wall of the ink scraping plate 6 facing the bottom wall of the collecting box 7; the tension spring 82 is always in a stretched state.

Referring to fig. 2 and 4, the adjusting lever 81 is horizontally installed on the collecting chamber 7, and the length direction of the adjusting lever 81 is the same as the length direction of the doctor blade 6. The side wall of the adjustment lever 81 abuts against the side wall of the squeegee 6 facing the bottom wall of the collection tank 7. The two side walls of the collecting box 7 and the case 1 are both provided with a strip groove 9 for the adjusting rod 81 to penetrate, and the strip groove 9 is horizontally arranged. Both ends of the adjusting rod 81 penetrate through the long-strip groove 9 and extend to the outer wall of the case 1. The locking member includes a locking nut 83, and the locking nut 83 is threadedly coupled to the outer wall of the end portion of the adjustment lever 81. After the doctor blade 6 has been in long-term frictional contact with the distribution roller 12, the doctor blade 6 is worn away and the angle of the doctor blade 6 is adjusted by the adjustment assembly 8 so that the doctor blade 6 can come into contact with the side wall of the distribution roller 12.

Referring to fig. 2, further, the ink circulating from the inside of the ink collecting chamber 7 to the ink tank 2 can be kept clean. A filter screen 71 is installed in the collection box 7, a stepped groove 72 is formed in the inner wall of the collection box 7 along the circumferential direction, the periphery of the filter screen 71 is erected on the stepped groove 72, and handles are welded to two sides of the filter screen 71, so that the filter screen 71 can be taken out, and sundry scraps on the filter screen 71 can be cleaned up. One side wall of the cabinet 1 is fixed by bolts so as to open the side wall to take out the filter screen 71 in the catch tank 7.

The implementation principle of the ink transfer system of the printing unit of the rotary press in the embodiment of the application is as follows:

during operation, ink feed pipe 3 evenly sprays ink on dividing ink roller 12 through spout 31, even there is a small amount to divide splashing on the ink roller 12, can be with the ink separation through setting up of ink baffle 5, and the ink that significantly reduces spatters the possibility to printing on roller 11 to effectively improve printing roller 11's printing quality.

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 ink transfer system for a printing unit of a rotary press, comprising: the ink-jet printing machine comprises a machine box (1) for a printing stock to horizontally penetrate, a printing roller (11) arranged in the machine box (1), an ink distributing roller (12) arranged in the machine box (1) and attached to the printing roller (11), an ink box (2) arranged in the machine box (1) and an ink conveying pipe (3) for spraying ink to the ink distributing roller (12); a driving source (4) for driving the printing roller (11) and the ink distributing roller (12) to rotate oppositely is arranged on the machine box (1); the lateral wall of the ink conveying pipe (3) is provided with a nozzle (31), the ink conveying pipe (3) is installed on the outer wall of the ink box (2) and is located on the inclined upper side of the ink distributing roller (12), a water pump (21) for supplying ink to the ink conveying pipe (3) is installed in the ink box (2), an ink blocking plate (5) is arranged on the outer wall of the ink box (2) above the ink conveying pipe (3), and a gap is formed between one side of the ink blocking plate (5) and the ink distributing roller (12) so that ink on the ink distributing roller (12) can be transferred to the printing roller (11); a collecting box (7) is arranged below the ink distributing roller (12) in the case (1), and the bottom of the collecting box (7) is communicated with the ink tank (2).

2. The ink delivery system for a printing unit of a rotary press according to claim 1, wherein: one end of the water pump (21) is connected with a main pipeline (22), a plurality of ink distributing pipes (23) are connected between the main pipeline (22) and the ink conveying pipes (3), and the communicating parts of the ink distributing pipes (23) and the ink conveying pipes (3) are distributed at intervals along the length direction of the ink conveying pipes (3).

3. The ink delivery system for a printing unit of a rotary press according to claim 1, wherein: install in collecting box (7) and be used for scraping divide on ink roller (12) from scraping the scraping board (6) of the debris of printing roller (11) adhesion, still install in collecting box (7) and be used for adjusting scraping board (6) and divide the adjustment subassembly (8) of laminating degree of closeness between ink roller (12).

4. The ink delivery system for a printing unit of a rotary press according to claim 3, wherein: one side of the ink scraping plate (6) far away from the ink distributing roller (12) is hinged to the side wall of the collecting box (7), the other side of the ink scraping plate is obliquely and upwards erected on the side wall of the ink distributing roller (12), and the rotating axis of the ink scraping plate (6) is parallel to the axis of the ink distributing roller (12); the adjusting assembly (8) comprises an adjusting rod (81), two tension springs (82) and locking pieces for fixing the adjusting rod (81), and the two tension springs (82) are distributed at two ends of the length direction of the ink scraping plate (6); one end of the tension spring (82) is connected to the collecting box (7) on the side wall below the ink scraping plate (6), the other end of the tension spring is connected to the ink scraping plate (6), and the tension spring (82) is always in a stretching state; the adjusting rod (81) is horizontally arranged and can horizontally move along the direction vertical to the length direction of the adjusting rod (81), and the side wall of the adjusting rod (81) is abutted against the side wall of the ink scraping plate (6) facing the bottom wall of the collecting box (7).

5. The ink delivery system for a printing unit of a rotary press according to claim 4, wherein: the locking piece comprises two locking nuts (83), strip grooves (9) for horizontally erecting two ends of the adjusting rod (81) are formed in the two sides of the case (1) and the collecting box (7), and the strip grooves (9) are horizontally formed; two ends of the adjusting rod (81) extend to the outer wall of the case (1); the two locking nuts (83) are correspondingly connected to the end part of the adjusting rod (81) in a threaded manner.

6. The ink delivery system for a printing unit of a rotary press according to claim 5, wherein: a filter screen (71) is arranged in the collection box (7).

7. The ink delivery system for a printing unit of a rotary press according to claim 6, wherein: the filter screen (71) is detachably arranged in the collecting box (7), and a stepped groove (72) for placing the filter screen (71) is formed in the inner wall of the periphery of the collecting box (7).

8. The ink delivery system for a printing unit of a rotary press according to claim 1, wherein: the driving source (4) comprises a driving motor (41) and gears (42), the gears (42) are provided with two gears and are meshed with each other, the two gears (42) are installed on the printing roller (11) and the ink distributing roller (12) in a one-to-one correspondence mode, an output shaft of the driving motor (41) is connected with one of the gears (42), and the two gears (42) are driven to rotate in a meshed mode.