CN220576869U - A scraper for printing rollers of printing machines - Google Patents

Abstract

The utility model discloses a printing roller ink scraper for a printing machine, which comprises a workbench and a cleaning mechanism; a working table: the upper end of the device is provided with a bracket, the inside of the front side of the bracket is fixedly connected with a fixed plate, the rear end of the fixed plate is fixedly connected with uniformly distributed electric telescopic rods, the telescopic ends of the electric telescopic rods are fixedly connected with the same ink scraping frame, the upper end of the ink scraping frame is rotatably connected with the lower end of the screw rod ink scraping frame, and the lower end of the screw rod ink scraping frame is connected with an ink scraping knife through a hexagonal bolt; cleaning mechanism: the device is arranged in the middle of the screw rod; wherein: the printing roller is rotatably connected to the inside of the rear side of the bracket; wherein: still include control switch group, control switch group sets up in the front end of workstation right side surface, and this be used for printing machine printing roller to scrape black ware can in time handle the printing ink on doctor blade surface, plays certain shock attenuation effect simultaneously, reduces the degree of splashing of printing ink, has effectively improved the quality of scraping ink.

Description

A scraper for printing rollers of printing machines

Technical field

The utility model relates to the technical field of printing machines, specifically a printing roller scraper for printing machines.

Background technique

A printing press is a machine that prints text and images. Modern printing presses generally consist of mechanisms such as plate loading, ink coating, imprinting, and paper feeding. Its working principle is: first make a printing plate with the text and images to be printed, install it on the printing press, and then apply ink manually or by a printing machine to the areas with text and images on the printing plate, and then transfer it directly or indirectly. Print onto paper or other substrates (such as textiles, metal plates, plastics, leather, wood boards, glass and ceramics) to reproduce the same print as the printing plate. The invention and development of the printing press played an important role in the spread of human civilization and culture.

Some of the existing scrapers for printing rollers of printing presses use a fixed scraper blade to directly scrape the printing roller. After the scraping is completed, the scraper needs to be manually cleaned. Cleaning process.

There are some problems. For example, when the printing roller works for a long time, the scraper blade works for a long time, and the accumulated ink may re-attach to the surface of the printing roller, which may have a certain impact on the printing quality.

Utility model content

The technical problem to be solved by this utility model is to overcome the existing defects and provide an ink scraper for a printing roller of a printing press, which can promptly process the ink on the surface of the scraper and at the same time have a certain shock-absorbing effect and reduce The degree of ink splashing can effectively solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a printing roller scraper for a printing press, including a workbench and a cleaning mechanism;

Workbench: Its upper end is equipped with a bracket. The front side of the bracket is fixedly connected to a fixed plate. The rear end of the fixed plate is fixedly connected to evenly distributed electric telescopic rods. The telescopic ends of the electric telescopic rods are all fixedly connected to the same squeegee rack. , the upper end of the scraper frame is connected to a screw rod for rotation, and the lower end of the scraper frame is connected to a scraper blade through a hexagonal bolt;

Cleaning mechanism: It is set in the middle of the screw rod, and the cleaning mechanism is slidingly connected to the upper end of the scraper;

Wherein: it also includes a printing roller, the printing roller is rotatably connected to the inside of the rear side of the bracket, and the right end of the printing roller is provided with a rotary joint;

It also includes a control switch group, which is arranged on the front end of the right side surface of the workbench. The input end of the control switch group is electrically connected to the external power supply. The input end of the electric telescopic rod is electrically connected to the output end of the control switch group. , promptly process the ink on the surface of the squeegee, and at the same time play a certain shock-absorbing effect on the squeegee, effectively improving the quality of the squeegee and effectively improving the work efficiency of the equipment.

Further, the inner walls of the left and right sides of the bracket are provided with guide grooves. The guide posts on the left and right sides of the squeegee frame are slidingly connected to the inside of the guide grooves on the same side. The right end of the squeegee frame is provided with motor three. Motor three The output shaft is fixedly connected to the right end of the screw rod, and the input end of motor three is electrically connected to the output end of the control switch group to ensure the smooth progress of the scraping work and provide power for the cleaning mechanism.

Further, the cleaning mechanism includes an adjusting seat, a guide rail, a telescopic column, a spring and a sponge cleaning block. The adjusting seat is threadedly connected to the middle of the screw rod. The front inner wall of the scraper frame is provided with a guide rail. The adjusting seat is The front end is slidingly connected to the inside of the guide rail. The lower end of the adjusting seat is fixedly connected to a telescopic column. The lower end of the telescopic column is provided with a sponge cleaning block. A spring is fixedly connected between the sponge cleaning block and the adjusting base. The spring is movablely sleeved on the telescopic column. On the outer surface, the sponge cleaning block is slidingly connected to the upper end of the scraper to clean the ink attached to the surface of the scraper.

Further, the rear end of the left side of the bracket is provided with a motor one, the output shaft of the motor one is fixedly connected to the left end of the printing roller, a fixed table is provided inside the workbench, and a transmission roller is rotatably connected to the front end of the workbench. The front end of the left side of the table is equipped with motor two. The output shaft of motor two is fixedly connected to the left end of the transmission roller. The input ends of motor one and two are electrically connected to the output ends of the control switch group to complete the printing work.

Further, an ink tank is provided at the rear end of the right side of the bracket. The upper end of the ink tank is hinged with a door through a hinge. An infusion pump is provided inside the ink tank. The feeding port of the infusion pump is connected to the right end of the printing roller through a stainless steel oil pipe. The fixed connection of the rotary joint effectively ensures the continuity of printing work.

Furthermore, grooves are provided inside the left and right sides of the bracket, and the same water tank is slidingly connected between the grooves. The upper end of the water tank is fixedly connected with a filter to collect ink, effectively avoiding ink splashing and ensuring the quality of printing work. .

Furthermore, the lower end of the workbench is provided with four evenly distributed legs, which effectively ensures the smooth progress of printing and scraping work.

Compared with the existing technology, the beneficial effects of this utility model are: This utility model is used as a printing roller scraper for printing machines and has the following benefits:

The personnel realizes the operation of motor three by controlling the switch group. When motor three operates, the rotation of the output shaft of motor three drives the screw rod to rotate, causing the cleaning mechanism to move laterally. The adjustment seat moves laterally on the screw rod, and the movement of the adjustment seat drives the telescopic column to move laterally. , and then drive the sponge cleaning block to move laterally to clean the squeegee, effectively ensuring the squeegee effect and preventing excessive accumulation of ink from reattaching to the surface of the printing roller. During the squeegeeing process, the squeegee may be damaged by the printing roller. The rotation of the spring produces vibration, and the spring cooperates with the sliding damping of the fixed end and the telescopic end of the telescopic column. Through the cooperation of the sponge cleaning block, it effectively ensures the cleaning of the scraper and at the same time plays a certain shock-absorbing effect on the scraper.

Description of the drawings

Figure 1 is a schematic structural diagram of the utility model;

Figure 2 is a schematic cross-sectional structural diagram of the interior of the utility model;

Figure 3 is a schematic cross-sectional structural diagram of the utility model in side view;

Figure 4 is an enlarged structural schematic diagram of point A of the present utility model;

Figure 5 is an enlarged structural schematic diagram of position B of the present utility model.

In the picture: 1 workbench, 2 bracket, 3 fixed plate, 4 electric telescopic rod, 5 cleaning mechanism, 51 adjustment seat, 52 guide rail, 53 telescopic column, 54 spring, 55 sponge cleaning block, 6 guide groove, 7 scraper Frame, 8 scrapers, 9 hexagonal bolts, 10 screw rod, 11 printing roller, 12 motor one, 13 motor two, 14 groove, 15 water tank, 16 filter, 17 fixed table, 18 transfer roller, 19 ink tank, 20 control switch group, 21 legs, 22 infusion pump, 23 motor three.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all implementations. example. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.

Please refer to Figures 1-5. This embodiment provides a technical solution: a printing roller scraper for a printing press, including a workbench 1 and a cleaning mechanism 5;

Workbench 1: A bracket 2 is provided at its upper end. A fixed plate 3 is fixedly connected to the front side of the bracket 2. The rear end of the fixed plate 3 is fixedly connected to evenly distributed electric telescopic rods 4. The telescopic ends of the electric telescopic rods 4 are connected to The same scraper frame 7 is fixedly connected. The upper end of the scraper frame 7 is rotatably connected to a screw rod 10. The lower end of the scraper frame 7 is connected to a scraper blade 8 through a hexagonal bolt 9. The left and right inner walls of the bracket 2 are provided with guides. The guide posts on the left and right sides of the groove 6 and the scraper frame 7 are all slidingly connected to the inside of the guide groove 6 on the same side. The right end of the scraper frame 7 is provided with a motor three 23. The output shaft of the motor three 23 is connected to the right end of the screw rod 10. Fixed connection, motor three 23 is running, the rotation of the output shaft of motor three 23 drives the screw rod 10 to rotate, causing the cleaning mechanism 5 to move laterally, the input end of motor three 23 is electrically connected to the output end of the control switch group 20, the left and right sides of the bracket 2 There are grooves 14 inside both sides, and the same water tank 15 is slidingly connected between the grooves 14. The upper end of the water tank 15 is fixedly connected with a filter 16, which is convenient for collecting the scraped ink and reducing the degree of ink splashing. The lower end of the platform 1 is provided with four evenly distributed legs 21;

Cleaning mechanism 5: It is arranged in the middle of the screw rod 10. The cleaning mechanism 5 is slidingly connected to the upper end of the scraper 8. The cleaning mechanism 5 includes an adjusting seat 51, a guide rail 52, a telescopic column 53, a spring 54 and a sponge cleaning block 55. The adjusting seat 51 is threadedly connected to the middle part of the screw rod 10. The front inner wall of the scraper frame 7 is provided with a guide rail 52. The front end of the adjusting seat 51 is slidingly connected to the inside of the guide rail 52. The lower end of the adjusting seat 51 is fixedly connected with a telescopic column. 53. A sponge cleaning block 55 is provided at the lower end of the telescopic column 53. A spring 54 is fixedly connected between the sponge cleaning block 55 and the adjusting seat 51. The spring 54 is movably set on the outer surface of the telescopic column 53. The sponge cleaning block 55 and the scraper The upper end of the knife 8 is slidingly connected, and the adjustment seat 51 moves laterally on the screw rod 10. The movement of the adjustment seat 51 drives the telescopic column 53 to move laterally, which in turn drives the sponge cleaning block 55 to move laterally to clean the scraper 8 and effectively ensure the scraping. The effect of the ink prevents excessive accumulation of ink from re-adhering to the surface of the printing roller 11. During the scraping process, the scraper blade 8 may vibrate due to the rotation of the printing roller 11. The spring 54 cooperates with the sliding of the fixed end and the telescopic end of the telescopic column 53. Damping, through the cooperation of the sponge cleaning block 55, effectively ensures the cleaning of the scraper 8, and at the same time plays a certain shock-absorbing effect on the scraper 8;

It also includes a printing roller 11. The printing roller 11 is rotatably connected to the inside of the rear side of the bracket 2. The right end of the printing roller 11 is provided with a rotary joint. The rear end of the left side of the bracket 2 is equipped with a motor 12. The output of the motor 12 The shaft is fixedly connected to the left end of the printing roller 11. A fixed platform 17 is provided inside the workbench 1. A transmission roller 18 is rotatably connected to the front end of the workbench 1. A motor two 13 is provided at the front end of the left side of the workbench 1, and a motor two 13 is provided. The output shaft is fixedly connected to the left end of the transfer roller 18. The input ends of the motor one 12 and the second motor 13 are electrically connected to the output end of the control switch group 20. The rear end of the right side of the bracket 2 is provided with an ink tank 19. The ink tank 19 The upper end is hinged with a door through a hinge. An infusion pump 22 is provided inside the ink tank 19. The feeding port of the infusion pump 22 is fixedly connected to the rotary joint at the right end of the printing roller 11 through a stainless steel oil pipe. The motor 12 is running. The rotation of the output shaft drives the printing roller 11 to rotate, and the operator controls the switch group 20 to operate the infusion pump 22, pumping the ink inside the ink tank 19 into the inside of the printing roller 11, through the oil outlet of the printing roller 11, and cooperates with the fixed platform 17 After completing the printing work, the personnel realizes the operation of motor two 13 by controlling the switch group 20, and the motor two 13 operates;

It also includes a control switch group 20. The control switch group 20 is arranged on the front end of the right side surface of the workbench 1. The input end of the control switch group 20 is electrically connected to the external power supply. The input end of the electric telescopic rod 4 is connected to the control switch group 20. The output terminals are electrically connected.

The working principle of the printing roller scraper provided by the utility model is as follows:

When working, first place the workbench 1, bracket 2 and other mechanisms in the horizontal working area through the legs 21. After the equipment is fixed and stable, the personnel realizes the operation of the motor 12 by controlling the switch group 20. The motor 12 operates, and the motor 12 operates. The rotation of the output shaft 12 drives the printing roller 11 to rotate. The operator controls the switch group 20 to operate the infusion pump 22, pumping the ink inside the ink tank 19 into the inside of the printing roller 11, through the oil outlet of the printing roller 11, and the fixed table. 17 cooperates with the completion of the printing work, and the personnel realizes the operation of the motor 2 13 by controlling the switch group 20. The motor 2 13 operates, and the output shaft of the motor 2 13 rotates to drive the transmission roller 18 to rotate, and the printed materials are transferred to the next area. The personnel pass The switch group 20 is controlled to realize the operation of the electric telescopic column 4. The telescopic end of the electric telescopic rod 4 stretches to push the scraper frame 7 to move backward, thereby pushing the scraper blade 8 to move backward. When it moves to the desired position, the personnel passes the control switch The group 20 closes the electric telescopic rod 4. During the rotation of the printing roller, the scraper 8 scrapes off the ink attached to the surface of the printing roller 11. Then the personnel controls the switch group 20 to realize the operation of the motor three 23, and the motor three 23 operates. The rotation of the output shaft of motor three 23 drives the screw rod 10 to rotate, causing the cleaning mechanism 5 to move laterally. The adjusting seat 51 moves laterally on the screw rod 10. The movement of the adjusting seat 51 drives the telescopic column 53 to move laterally, which in turn drives the sponge cleaning block 55 to move laterally. Move to clean the squeegee 8, effectively ensure the squeegee effect, and prevent excessive accumulation of ink from re-adhering to the surface of the printing roller 11. During the squeegeeing process, the squeegee 8 may cause damage due to the rotation of the printing roller 11. Vibration, the spring 54 cooperates with the sliding damping of the fixed end and the telescopic end of the telescopic column 53, and through the cooperation of the sponge cleaning block 55, effectively ensures the cleaning of the scraper 8, and at the same time plays a certain shock-absorbing effect on the scraper 8, and is scraped The removed ink falls into the inside of the water tank 15, and the filter 16 isolates some large ink blocks.

It is worth noting that the electric telescopic rod 4 disclosed in the above embodiment can be a TOMUU-U2 electric telescopic rod, the motor one 12 and the second motor 13 can both be a SIMOT ICS S-FK servo motor, and the motor three 23 can be a D110M- 02030B-E servo motor, the infusion pump 22 can use the SB-8 electric pump. The control switch group 20 is equipped with a one-to-one correspondence with the electric telescopic rod 4, motor one 12, motor two 13, motor three 23 and the infusion pump 22. A control button that switches it on and off.

The above descriptions are only examples of the present utility model, and do not limit the patent scope of the present utility model. Any equivalent structure or equivalent process transformation made using the contents of the description and drawings of the present utility model, or directly or indirectly used in other applications Relevant technical fields are similarly included in the scope of patent protection of the present utility model.

Claims (6)

1. A printing roller scraper for a printing press, which is characterized by: including a workbench (1) and a cleaning mechanism (5); Workbench (1): The upper end of the workbench is provided with a bracket (2). A fixed plate (3) is fixedly connected to the front side of the bracket (2), and evenly distributed electric telescopic rods (3) are fixedly connected to the rear end of the fixed plate (3). 4). The telescopic ends of the electric telescopic rod (4) are fixedly connected to the same squeegee frame (7). The upper end of the squeegee frame (7) is rotatably connected to the screw rod (10), and the lower end of the squeegee frame (7) is connected to the screw rod (10). The scraper (8) is connected through the hexagonal bolt (9); Cleaning mechanism (5): It is arranged in the middle of the screw rod (10), and the cleaning mechanism (5) is slidingly connected to the upper end of the scraper (8); It also includes a printing roller (11), which is rotatably connected to the inside of the rear side of the bracket (2), and the right end of the printing roller (11) is provided with a rotary joint; It also includes a control switch group (20), which is arranged on the front end of the right side surface of the workbench (1). The input end of the control switch group (20) is electrically connected to an external power supply, and the electric telescopic rod The input end of (4) is electrically connected to the output end of the control switch group (20); The cleaning mechanism (5) includes an adjusting seat (51), a guide rail (52), a telescopic column (53), a spring (54) and a sponge cleaning block (55). The adjusting seat (51) is threadedly connected to the screw rod. In the middle of (10), a guide rail (52) is provided on the front inner wall of the scraper frame (7). The front end of the adjustment seat (51) is slidingly connected to the inside of the guide rail (52). The lower end of the adjustment seat (51) is fixed. A telescopic column (53) is connected, and a sponge cleaning block (55) is provided at the lower end of the telescopic column (53). A spring (54) is fixedly connected between the sponge cleaning block (55) and the adjusting seat (51). The spring (54) The movable sleeve is arranged on the outer surface of the telescopic column (53), and the sponge cleaning block (55) is slidingly connected to the upper end of the scraper (8). 2. An ink scraper for a printing roller of a printing press according to claim 1, characterized in that: the inner walls of the left and right sides of the bracket (2) are provided with guide grooves (6), and the scraper frame (7 ) The guide pillars on the left and right sides are all slidingly connected to the inside of the guide groove (6) on the same side. The right end of the squeegee frame (7) is provided with motor three (23). The output shaft of motor three (23) is connected to the screw rod ( The right end of 10) is fixedly connected, and the input end of motor three (23) is electrically connected with the output end of the control switch group (20). 3. A printing roller scraper for a printing press according to claim 1, characterized in that: the rear end of the left side of the bracket (2) is provided with a motor (12), and the motor (12) The output shaft is fixedly connected to the left end of the printing roller (11), a fixed platform (17) is provided inside the workbench (1), and a transmission roller (18) is rotatably connected to the front end of the workbench (1). The workbench (1) The front end of the left side is provided with motor two (13). The output shaft of motor two (13) is fixedly connected to the left end of the transmission roller (18). The input ends of motor one (12) and motor two (13) are connected to the control switch group. The output terminal of (20) is electrically connected. 4. A printing roller scraper for a printing press according to claim 1, characterized in that: an ink tank (19) is provided at the rear end of the right side of the bracket (2), and the ink tank (19) The upper end is hinged with a door through a hinge, and an infusion pump (22) is provided inside the ink tank (19). The feeding port of the infusion pump (22) is fixedly connected to the rotary joint at the right end of the printing roller (11) through a stainless steel oil pipe. 5. A printing roller scraper for a printing press according to claim 1, characterized in that grooves (14) are provided inside the left and right sides of the bracket (2), and the grooves (14) There is a same water tank (15) slidingly connected between them, and a filter screen (16) is fixedly connected to the upper end of the water tank (15). 6. A printing roller scraper for a printing press according to claim 1, characterized in that the lower end of the workbench (1) is provided with four evenly distributed legs (21).