CN213675944U

CN213675944U - Printing roller pressure adjusting device of paperboard printing machine

Info

Publication number: CN213675944U
Application number: CN202021834083.1U
Authority: CN
Inventors: 沈汉明
Original assignee: Tongxiang Zhouquan Fengrun Printing Factory
Current assignee: Tongxiang Zhouquan Fengrun Printing Factory
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2021-07-13
Anticipated expiration: 2030-08-27

Abstract

The utility model discloses a printing roller pressure adjusting device of a paperboard printing machine, which comprises a printing box body, wherein a bearing roller and a printing roller are arranged in the printing box body, a horizontal moving plate is arranged in the printing box body, the inner wall of the printing box body is provided with a driving component for driving the horizontal moving plate to move vertically in the printing box body, the lower end of the horizontal moving plate is provided with an automatic adjusting seat, the lower end of the automatic adjusting seat is provided with an adjusting groove, a roller mounting seat is connected in the adjusting groove in a sliding way, the lower end of the roller mounting seat is provided with a roller groove, the printing roller is arranged in the roller mounting seat, the inner wall of the adjusting groove, which is close to the top of the adjusting groove, is provided with a pressure testing plate, a plurality of springs are arranged between the pressure testing plate and the roller mounting, and a pressure sensor is arranged between the pressure test plate and the top wall of the adjusting groove.

Description

Printing roller pressure adjusting device of paperboard printing machine

Technical Field

The utility model relates to a cardboard printing technology field especially relates to a printing roller pressure adjustment device of cardboard printing machine.

Background

A paperboard printing machine is a printing apparatus capable of printing desired text, patterns and other information onto the surface of a paperboard sheet. Generally comprises the technological processes of plate loading, inking, stamping, paper conveying and the like, and the paperboard printing generally comprises a single printing, printing belt slotting/die cutting, printing slotting/die cutting production line and the like. During operation, the cardboard printing press forms printing plates for the text and images to be printed and is mounted on the printing press. The ink is then applied by a person operating the printer uniformly to the printing plate where the text and images are located, and then transferred directly or indirectly to a paper sheet, thereby reproducing a print reproduction identical to the printing plate. At present, the water-based printing paperboard is more and more exquisite, and the traditional rubber plate printing is changed into resin plate printing.

The pressure adjusting mechanism of the printing roller of the existing paperboard printing machine is poor in functionality and poor in practical effect. Flexographic printing has been mostly modified for the purpose of making waterborne printed paperboard more aesthetically pleasing, but is less desirable. At present, an elastic liner is adopted, but the elasticity of the elastic liner is easy to disappear after the elastic liner is used for a long time, and the printing effect is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a cardboard printing machine's printing roller pressure adjusting device can be according to the distance between cardboard thickness automatically regulated printing roller and the cardboard to monitoring printing roller is big or small to the pressure of cardboard, sends out the police dispatch newspaper when pressure is too big or the undersize, makes things convenient for the staff in time to adjust, makes the waterborne printing cardboard that the printing came out more pleasing to the eye.

The above technical purpose of the present invention can be achieved by the following technical solutions: a printing roller pressure adjusting device of a paperboard printing machine comprises a printing box body, wherein a bearing roller and a printing roller are arranged in the printing box body, the printing roller is positioned right above the bearing roller, a horizontal moving plate is arranged in the printing box body, a driving assembly for driving the horizontal moving plate to move in the printing box body in the vertical direction is arranged on the inner wall of the printing box body, an automatic adjusting seat is arranged at the lower end of the horizontal moving plate, an adjusting groove is formed in the lower end of the automatic adjusting seat, a roller mounting seat is connected in the adjusting groove in a sliding mode, a roller groove is formed in the lower end of the roller mounting seat, the printing roller is arranged in the roller mounting seat, two ends of a rotating shaft of the printing roller are rotatably connected with the inner wall of the roller mounting seat, a pressure test groove is formed in the inner wall of the adjusting groove close to the top of, the pressure test board with be provided with a plurality of springs between the running roller mount pad, the both ends of spring are fixed in the lower surface of pressure test board and the upper surface of running roller mount pad respectively, be provided with pressure sensor between the roof of pressure test board and adjustment tank.

Through above-mentioned technical scheme, when the cardboard removed and printed between printing roller and backing roll, the effect of production force between cardboard and the printing roller was upwards jack-up with the printing roller, made the distance that the running roller mount pad upwards removed and moved together when the printing roller upwards removed and the distance that the printing roller removed the same. The compression spring when running roller mount pad rebound makes the spring produce ascending power to the pressure test board, and pressure sensor can test out the size of this power, and this power is in normal scope during normal printing. When printing thicker or thinner sheets, the force may go outside the normal range and become correspondingly larger or smaller, at which point the print quality may be degraded. The height position of the horizontal moving plate is adjusted in time through the driving assembly, so that the pressure between the printing roller and the bearing roller is in a normal range, and the printing quality is improved.

The utility model discloses still further set up to: the driving assembly is a screw rod mechanism and comprises an upper screw rod, a lower screw rod, a sliding rail and a screw sleeve seat, the sliding rail is vertically arranged on the inner wall of the printing box body, bearing seats are arranged on the upper side and the lower side of the sliding rail, two ends of the upper screw rod and the lower screw rod are fixed in the bearing seats, the screw sleeve seat is in threaded connection with the upper screw rod and the lower screw rod, one end, close to the sliding rail, of the screw sleeve seat is in sliding connection with the sliding rail, and the horizontal moving plate is fixed on.

Through the technical scheme, the worker can manually control the upper screw rod and the lower screw rod to rotate according to the detection value of the pressure sensor, so that the height position of the horizontal moving plate is adjusted.

The utility model discloses still further set up to: the one end that horizontal migration board kept away from the spiro union seat is provided with the sliding block, the printing box is kept away from drive assembly's inner wall is provided with the track, sliding block sliding connection be in on the track.

Through above-mentioned technical scheme, when horizontal moving plate reciprocated under drive assembly's drive, the sliding block can follow it and slide on the track together, stability when improving horizontal moving plate and moving.

The utility model discloses still further set up to: the pressure sensor is connected with a pressure alarm.

Through the technical scheme, when the pressure detected by the pressure sensor is lower than or higher than the preset value set by the worker, the pressure alarm can give an alarm, so that the worker can rotate the upper and lower control screw rods, adjust the height position of the horizontal moving plate, enable the printing roller to be in a proper pressure range for the paperboard, and improve the printing quality of the printing roller for the paperboard.

The utility model discloses still further set up to: the pivot one end of printing roller extends to outside the running roller mount pad, the outer wall of running roller mount pad is provided with the drive the printing roller carries out pivoted actuating mechanism.

Through above-mentioned technical scheme, actuating mechanism drives the printing roller and rotates, drives the cardboard on the one hand and makes the cardboard can more smoothly remove from between backing roll and the printing roller, and on the other hand is with better rendition of the printing ink on printing roller surface to cardboard upper surface.

The utility model discloses still further set up to: the driving mechanism comprises a rotating shaft motor, a driving gear and a driven gear, the driven gear is fixed on a rotating shaft of the printing roller, the rotating shaft motor is fixed on the outer wall of the roller wheel mounting seat, and the driving gear is fixed on an output shaft of the rotating shaft motor and meshed with the driven gear.

Through above-mentioned technical scheme, the output shaft rotation of pivot motor drives the driving gear and rotates together after the pivot motor starts, thereby the driving gear drives driven gear and rotates and drive the printing roller and rotate.

Drawings

FIG. 1 is a schematic view of the internal structure of the printing box of the present invention;

fig. 2 is a sectional view of the present invention.

The reference numbers in the figures mean: 1. printing a box body; 2. a backing roll; 3. a printing roller; 4. horizontally moving the plate; 5. a drive assembly; 6. an automatic adjustment seat; 7. an adjustment groove; 8. a roller mounting seat; 9. a roller groove; 10. a pressurized test slot; 11. a pressure test plate; 12. a spring; 13. a pressure sensor; 14. an upper screw rod and a lower screw rod; 15. a slide rail; 16. a screw sleeve seat; 17. a bearing seat; 18. a slider; 19. a track; 20. a pressure alarm; 21. a drive mechanism; 22. a spindle motor; 23. a driving gear; 24. a driven gear.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

The present invention will be described below with reference to fig. 1 to 2.

A printing roller 3 pressure adjusting device of a paperboard printing machine comprises a printing box body 1, wherein a paper inlet and a paper outlet are respectively formed in two sides of the printing box body 1. A pressure roller 2 and a printing roller 3 are arranged in the printing box body 1, and the printing roller 3 is positioned right above the pressure roller 2. The paperboard enters the printing box body 1 from the paper inlet when moving and passes through the space between the bearing roller 2 and the printing roller 3, the bearing roller 2 plays a supporting role in the passing process, the printing roller 3 finishes printing on the upper surface of the paperboard, and the paperboard is moved out of the printing box body 1 from the paper outlet after printing.

The printing box body 1 is internally provided with a horizontal moving plate 4, and the inner wall of the printing box body 1 is provided with a driving assembly 5 for driving the horizontal moving plate 4 to move in the vertical direction in the printing box body 1. The driving assembly 5 is a screw rod mechanism and comprises an upper screw rod 14, a lower screw rod 14, a slide rail 15 and a screw sleeve seat 16. The slide rail 15 is vertically arranged on the inner wall of the printing box body 1 and fixedly connected through screws, bearing seats 17 are arranged on the upper side and the lower side of the slide rail 15, and two ends of an upper screw rod 14 and a lower screw rod 14 are fixed in the bearing seats 17. One end of the upper and lower screw rods 14 is provided with a knob, and a worker can manually control the upper and lower screw rods 14 to rotate according to the detection value of the pressure sensor 13 so as to adjust the height position of the horizontal moving plate 4. Preferably, a servo motor may be used instead of the knob, the servo motor and the pressure sensor 13 are both connected to the controller, the pressure sensor 13 transmits the detection data to the controller in the form of an electric signal, and the controller controls the servo motor to rotate according to the electric signal, so as to control the rotation of the upper and lower lead screws 14 and adjust the height position of the horizontal moving plate 4. Compare in staff's manual regulation more high-efficient timely, the accuracy is better simultaneously.

The screw sleeve seat 16 is connected to the upper and lower screw rods 14 in a threaded manner, one end of the screw sleeve seat 16 close to the slide rail 15 is connected to the slide rail 15 in a sliding manner, and the horizontal moving plate 4 is fixed on the screw sleeve seat 16. One end of the horizontal moving plate 4 far away from the screw sleeve seat 16 is provided with a sliding block 18, the inner wall of the printing box body 1 far away from the driving component 5 is provided with a track 19, and the sliding block 18 is connected on the track 19 in a sliding mode. The quantity of sliding block 18 and track 19 is two in this embodiment, and is located the both sides of horizontal migration board 4 respectively, and horizontal migration board 4 when reciprocating under drive assembly 5's drive, sliding block 18 can follow it and slide together on track 19, stability when improving horizontal migration board 4 and moving.

The lower extreme of horizontal migration board 4 is provided with automatically regulated seat 6, and adjustment tank 7 has been seted up to the lower extreme of automatically regulated seat 6, and the shape of adjustment tank 7 is the cuboid in this embodiment. Sliding connection has running roller mount pad 8 in adjustment tank 7, and running roller mount pad 8's shape is the cuboid, the four side outer walls of running roller mount pad 8 and the inner wall sliding connection of adjustment tank 7. The lower extreme of running roller mount pad 8 has seted up running roller groove 9, and printing roller 3 sets up in running roller mount pad 8 and the pivot both ends of printing roller 3 and the inner wall swivelling joint of running roller mount pad 8. One end of a rotating shaft of the printing roller 3 extends out of the roller mounting seat 8, and a driving mechanism 21 for driving the printing roller 3 to rotate is arranged on the outer wall of the roller mounting seat 8. The driving mechanism 21 drives the printing roller 3 to rotate, on one hand, the paper board is driven to move more smoothly between the pressure roller 2 and the printing roller 3, and on the other hand, the ink on the surface of the printing roller 3 is better transferred to the upper surface of the paper board. The driving mechanism 21 includes a rotary shaft motor 22, a driving gear 23, and a driven gear 24, and the driven gear 24 is fixed to the rotary shaft of the printing roller 3. The rotating shaft motor 22 is fixed on the outer wall of the roller mounting seat 8 through screws, and the driving gear 23 is fixed on an output shaft of the rotating shaft motor 22 and meshed with the driven gear 24. After the rotating shaft motor 22 is started, the output shaft of the rotating shaft motor 22 rotates to drive the driving gear 23 to rotate together, and the driving gear 23 drives the driven gear 24 to rotate so as to drive the printing roller 3 to rotate.

The inner wall of the adjusting groove 7 close to the top of the adjusting groove is provided with a pressure test groove 10, and a pressure test plate 11 is arranged in the pressure test groove 10. A plurality of springs 12 are arranged between the pressure test plate 11 and the roller mounting seat 8, and two ends of each spring 12 are respectively fixed on the lower surface of the pressure test plate 11 and the upper surface of the roller mounting seat 8. A pressure sensor 13 is arranged between the pressure test plate 11 and the top wall of the adjustment groove 7. When the paper board moves between the printing roller 3 and the pressure roller 2 and is printed, the printing roller 3 is jacked up by the action of force generated between the paper board and the printing roller 3, and when the printing roller 3 moves upwards, the roller mounting seat 8 moves upwards together and the moving distance is the same as the moving distance of the printing roller 3. When the roller mounting seat 8 moves upwards, the spring 12 is compressed, so that the spring 12 generates an upward force on the pressure test plate 11, the pressure sensor 13 can test the magnitude of the force, and the force is in a normal range during normal printing. When printing thicker or thinner sheets, the force may go outside the normal range and become correspondingly larger or smaller, at which point the print quality may be degraded. The height position of the horizontal moving plate 4 is adjusted in time through the driving assembly 5, so that the pressure between the printing roller 3 and the pressure bearing roller 2 is in a normal range, and the printing quality is improved.

The pressure sensor 13 is connected with a pressure alarm 20, and when the pressure detected by the pressure sensor 13 is lower than or higher than a preset value set by a worker, the pressure alarm 20 gives an alarm. Therefore, the working personnel can rotate the upper and lower control screw rods 14 and adjust the height position of the horizontal moving plate 4, so that the printing roller 3 is in a proper pressure range for the paper board, and the printing quality of the printing roller 3 for the paper board is improved.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations of the above assumption should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a cardboard printing machine's printing roller (3) pressure adjustment device, includes printing box (1), be provided with backing roll (2) and printing roller (3) in printing box (1), printing roller (3) are located directly over backing roll (2), its characterized in that: the automatic printing device is characterized in that a horizontal moving plate (4) is arranged in the printing box body (1), the inner wall of the printing box body (1) is provided with a driving component (5) for driving the horizontal moving plate (4) to move in the printing box body (1) in the vertical direction, the lower end of the horizontal moving plate (4) is provided with an automatic adjusting seat (6), the lower end of the automatic adjusting seat (6) is provided with an adjusting groove (7), a roller mounting seat (8) is connected in the adjusting groove (7) in a sliding manner, the lower end of the roller mounting seat (8) is provided with a roller groove (9), the printing roller (3) is arranged in the roller mounting seat (8), the two ends of a rotating shaft of the printing roller (3) are rotatably connected with the inner wall of the roller mounting seat (8), the adjusting groove (7) is close to the inner wall at the top of the adjusting groove and is provided with a pressure test groove (10), and, the pressure test board (11) with be provided with a plurality of springs (12) between running roller mount pad (8), the both ends of spring (12) are fixed in the lower surface of pressure test board (11) and the upper surface of running roller mount pad (8) respectively, be provided with pressure sensor (13) between the roof of pressure test board (11) and adjustment tank (7).

2. A printing roller (3) pressure adjustment device of a cardboard printing machine, according to claim 1, characterized in that: drive assembly (5) are screw rod mechanism, including upper and lower lead screw (14), slide rail (15) and swivel nut seat (16), slide rail (15) vertical set up in the inner wall of printing box (1), the upper and lower both sides of slide rail (15) are provided with bearing frame (17), the both ends of upper and lower lead screw (14) are fixed in bearing frame (17), swivel nut seat (16) threaded connection in upper and lower lead screw (14) go up and swivel nut seat (16) be close to the one end sliding connection of slide rail (15) on slide rail (15), horizontal shifting plate (4) are fixed in on swivel nut seat (16).

3. A printing roller (3) pressure adjustment device of a cardboard printing machine, according to claim 2, characterized in that: one end of the horizontal moving plate (4) far away from the screw sleeve seat (16) is provided with a sliding block (18), the inner wall of the printing box body (1) far away from the driving component (5) is provided with a track (19), and the sliding block (18) is in sliding connection with the track (19).

4. A printing roller (3) pressure adjustment device of a cardboard printing machine, according to claim 1, characterized in that: the pressure sensor (13) is connected with a pressure alarm (20).

5. A printing roller (3) pressure adjustment device of a cardboard printing machine, according to claim 1, characterized in that: the pivot one end of printing roller (3) extends to outside running roller mount pad (8), the outer wall of running roller mount pad (8) is provided with the drive printing roller (3) carry out pivoted actuating mechanism (21).

6. A printing roller (3) pressure adjustment device of a cardboard printing machine, according to claim 5, characterized in that: actuating mechanism (21) are including pivot motor (22), driving gear (23) and driven gear (24), driven gear (24) are fixed in the pivot of printing roller (3), pivot motor (22) are fixed in the outer wall of running roller mount pad (8), driving gear (23) are fixed in on the output shaft of pivot motor (22) and with driven gear (24) mesh mutually.