Scraping structure for printing roller of label printing machine

Abstract

The utility model discloses a scraping structure for a printing roller of a label printing machine, which relates to the field of label printing machines and comprises a bearing seat and two groups of moving blocks, a first side supporting plate and a second side supporting plate are fixedly connected onto the two groups of moving blocks respectively, and a clamping shaft rod and an auxiliary clamping rod are arranged on the first side supporting plate and the second side supporting plate respectively in a penetrating manner. A roller body is arranged between the first side supporting plate and the second side supporting plate, a movable groove column is arranged above the roller body, a movable disc is arranged in the movable groove column, a movable rod is fixedly connected to the lower side of the movable disc, a scraping plate is fixedly connected to the lower end of the movable rod, and a driving motor is fixedly installed at the outer end of the bearing seat. The printing roller scraping device has the advantages that printing rollers with different lengths and outer diameters can be scraped, good applicability is achieved, the printing rollers can be conveniently and rapidly disassembled and assembled, the outer surfaces of the printing rollers can be scraped while the printing rollers rotate, and the scraping efficiency is remarkably improved.

Description

Technical Field

[0001] The utility model relates to the field of label printing machines, in particular to a scraper structure for a printing roller of a label printing machine. Background Art

[0002] Printing is the process of transferring ink from an original text, image, photograph, or anti-counterfeiting manuscript to a surface such as paper, textiles, plastics, leather, PVC, or PC through a series of processes, including plate making, inking, and pressurization, to reproduce the original content in bulk. Printing involves transferring an approved printing plate onto a substrate using a printing machine and specialized ink. In actual use, a small amount of ink remains on the surface of the printing roller after printing, preventing subsequent printing ink from evenly adhering to the roller. Therefore, a scraper structure for the printing roller of a label printer is needed.

[0003] After searching, the patent number is CN212267008U, which discloses a new type of ink scraper for the printing roller of a label printing press, which is convenient for the discharge of ink debris, achieves the beneficial effect of effectively collecting the scraped ink debris, preventing the debris from floating around, and maintaining the hygiene of the surrounding environment. However, when the existing scraper structure for the printing roller of a label printing press is used, it can usually only scrape the printing roller of a specific length and outer diameter. The scope of use is relatively small, and the disassembly and assembly process of the printing roller is relatively cumbersome, and the disassembly and assembly speed is low. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a scraper structure for the printing roller of a label printing machine. When the existing scraper structure for the printing roller of a label printing machine is used, it can usually only scrape the printing roller of a specific length and outer diameter. The scope of use is relatively small, and the disassembly and assembly process of the printing roller is relatively cumbersome, and the disassembly and assembly speed is low.

[0005] In order to solve the above technical problems, the technical solution of the utility model is a scraper structure for the printing roller of a label printing machine, including a bearing seat and two groups of movable blocks, the two groups of movable blocks are respectively fixedly connected with a first side support plate and a second side support plate, the first side support plate and the second side support plate are respectively penetrated by a card shaft rod and an auxiliary card rod, a roller body is arranged between the first side support plate and the second side support plate, a movable groove column is arranged above the roller body, a movable disk is arranged inside the movable groove column, the lower side of the movable disk is fixedly connected with a movable rod, and the lower end of the movable rod is fixedly connected with a scraper plate.

[0006] As a further solution of the present invention: a driving motor is fixedly mounted on the outer end of the bearing seat, an output end of the driving motor is fixedly connected to a screw shaft passing through the bearing seat, and an outer side surface of the screw shaft is provided with symmetrical threaded sections.

[0007] As a further solution of the present invention: a first screw hole is opened through the two groups of moving blocks, and the two groups of moving blocks are respectively threadedly connected to the screw shaft through the first screw hole, and the two groups of moving blocks are both located inside the bearing seat.

[0008] As a further solution of the present invention: a forward and reverse motor is fixedly installed at the middle position of the outer side of the first side support plate, and the card shaft rod is fixedly connected to the output end of the forward and reverse motor, the auxiliary card rod is rotatably connected to the second side support plate, and the card shaft rod and the auxiliary card rod are both clamped with the roller body.

[0009] As a further solution of the present invention: a compression spring is fixedly connected to the inner side of the movable slot column, and the compression spring is fixedly connected to the movable disk, and the scraper plate is in contact with the roller body.

[0010] As a further solution of the present invention: a horizontal threaded rod is provided on the outer side of the second side support plate near the top, the end of the horizontal threaded rod is clamped with a slave transmission wheel, the outer end of the auxiliary clamping rod is clamped and connected to the main transmission wheel, a transmission belt is provided on the outer side of the second side support plate, and the inner top of the second side support plate is fixedly connected to a limiting rod.

[0011] As a further solution of the present invention: the main transmission wheel and the slave transmission wheel are both located on the outer side surface of the second side support plate, and the main transmission wheel and the slave transmission wheel are both connected to the transmission belt.

[0012] As a further solution of the present invention: a second screw hole is opened through the movable slot column, and the movable slot column is threadedly connected to the horizontal threaded rod through the second screw hole, and the movable slot column is slidably connected to the limit rod.

[0013] Compared with the prior art, the beneficial effect of the present invention is: by starting the driving motor on the outside of the supporting seat to drive the screw shaft to rotate, the two groups of moving blocks are driven to move relative to each other along the supporting seat under the cooperation of the symmetrical threaded section and the first screw hole, and then the first side support plate and the second side support plate are driven to move relative to each other, and the roller body is installed between the first side support plate and the second side support plate under the cooperation of the clamping shaft rod and the auxiliary clamping rod, and then the scraper plate is fit to the outer surface of the roller body through the compression spring, the movable disk and the movable rod, which can scrape printing rollers of different lengths and outer diameters, has good applicability, and is also convenient for quick disassembly and assembly of printing rollers.

[0014] Compared with the prior art, the beneficial effect of the present invention is that: by starting the forward and reverse motors on the outer side of the first side support plate, the card shaft rod and the roller body are driven to rotate together, thereby driving the main transmission wheel to rotate with the cooperation of the auxiliary card rod, and then driving the horizontal threaded rod to rotate through the transmission belt and the slave transmission wheel, and the movable slot column is moved laterally through the second screw hole and the limiting rod, so that the outer surface of the printing roller can be scraped while the printing roller rotates, which significantly improves the scraping efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of a scraper structure for a printing roller of a label printing machine in an embodiment of the present utility model;

[0016] Figure 2 This is a schematic diagram of the connection structure of the bearing seat in the embodiment of the utility model;

[0017] Figure 3 This is a schematic diagram of the connection structure of the transverse threaded rod in the embodiment of the present utility model;

[0018] Figure 4 This is a front view of a scraper structure for a printing roller of a label printing machine in an embodiment of the present utility model.

[0019] In the figure: 1. Bearing seat; 2. Driving motor; 3. Screw shaft; 4. Moving block; 5. First side support plate; 6. Second side support plate; 7. Forward and reverse motor; 8. Clamping shaft rod; 9. Auxiliary clamping rod; 10. Roller body; 11. Moving slot column; 12. Compression spring; 13. Movable disk; 14. Movable rod; 15. Scraper plate; 16. Main transmission wheel; 17. Horizontal threaded rod; 18. Slave transmission wheel; 19. Transmission belt; 20. Limit rod. DETAILED DESCRIPTION

[0020] The following further describes specific embodiments of the present invention in conjunction with the accompanying drawings. It should be noted that the descriptions of these embodiments are intended to aid understanding of the present invention and do not constitute limitations on the present invention. Furthermore, the technical features involved in the various embodiments of the present invention described below may be combined with one another as long as they do not conflict with one another.

[0021] Example 1, please refer to Figures 1-4A scraper structure for the printing roller of a label printing machine includes a bearing seat 1 and two groups of moving blocks 4. The two groups of moving blocks 4 are respectively fixedly connected with a first side support plate 5 and a second side support plate 6. The first side support plate 5 and the second side support plate 6 are respectively penetrated by a card shaft rod 8 and an auxiliary card rod 9. A roller body 10 is arranged between the first side support plate 5 and the second side support plate 6. A moving slot column 11 is arranged above the roller body 10. A movable disk 13 is arranged inside the movable slot column 11. A movable rod 14 is fixedly connected to the lower side of the movable disk 13, and a scraper plate 15 is fixedly connected to the lower end of the movable rod 14.

[0022] A driving motor 2 is fixedly installed on the outer end of the supporting seat 1, and the output end of the driving motor 2 is fixedly connected to a screw shaft 3 that passes through the supporting seat 1. The outer side surface of the screw shaft 3 is provided with symmetrical threaded sections. Both groups of moving blocks 4 are penetrated by a first screw hole, and the two groups of moving blocks 4 are respectively threadedly connected to the screw shaft 3 through the first screw hole. Both groups of moving blocks 4 are located inside the supporting seat 1.

[0023] In this embodiment, the two groups of moving blocks 4 are relatively movable by the screw shaft 3 and the moving blocks 4 being threadedly connected.

[0024] A forward and reverse motor 7 is fixedly installed at the middle position of the outer side of the first side support plate 5, and the card shaft rod 8 is fixedly connected to the output end of the forward and reverse motor 7. The auxiliary card rod 9 is rotatably connected to the second side support plate 6, and the card shaft rod 8 and the auxiliary card rod 9 are both clamped with the roller body 10.

[0025] In this embodiment, the coupling of the clamping shaft rod 8 and the auxiliary clamping rod 9 allows the roller body 10 to rotate between the first side support plate 5 and the second side support plate 6 .

[0026] A compression spring 12 is fixedly connected to the inner side of the movable slot column 11 , and the compression spring 12 is fixedly connected to the movable disk 13 , and the scraper plate 15 is in contact with the roller body 10 .

[0027] In this embodiment, the movable plate 13 and the movable rod 14 cooperate to facilitate the movement of the scraper plate 15 .

[0028] Specifically, by starting the driving motor 2 on the outside of the supporting seat 1 to drive the screw shaft 3 to rotate, the two groups of moving blocks 4 are driven to move relative to each other along the supporting seat 1 under the cooperation of the symmetrical threaded section and the first screw hole, and then the first side support plate 5 and the second side support plate 6 are driven to move relative to each other, and the roller body 10 is installed between the first side support plate 5 and the second side support plate 6 under the cooperation of the clamping shaft rod 8 and the auxiliary clamping rod 9, and then the scraper plate 15 is fit with the outer surface of the roller body 10 through the compression spring 12 in conjunction with the movable disk 13 and the movable rod 14, which can scrape printing rollers of different lengths and outer diameters, has good applicability, and is also convenient for quick disassembly and assembly of printing rollers.

[0029] Example 2, please refer to Figures 1-4 A scraper structure for the printing roller of a label printing machine, a horizontal threaded rod 17 is provided on the outer side of the second side support plate 6 near the top, the end of the horizontal threaded rod 17 is clamped with a slave transmission wheel 18, the outer end of the auxiliary clamping rod 9 is clamped and connected with the main transmission wheel 16, a transmission belt 19 is provided on the outer side of the second side support plate 6, and a limiting rod 20 is fixedly connected to the inner top of the second side support plate 6.

[0030] The main transmission wheel 16 and the secondary transmission wheel 18 are both located on the outer side surface of the second side support plate 6 , and are both connected to the transmission belt 19 .

[0031] In this embodiment, the main transmission wheel 16 and the slave transmission wheel 18 cooperate with the transmission belt 19 to facilitate the rotation of the transverse threaded rod 17.

[0032] A second screw hole is formed through the movable slot column 11 , and the movable slot column 11 is threadedly connected to the horizontal threaded rod 17 through the second screw hole. The movable slot column 11 is slidably connected to the limiting rod 20 .

[0033] In this embodiment, the movable slot column 11 is threadedly connected to the transverse threaded rod 17 to cooperate with the limiting rod 20 to facilitate the transverse movement of the movable slot column 11.

[0034] Specifically, by starting the forward and reverse motor 7 on the outside of the first side support plate 5, the card shaft rod 8 and the roller body 10 are driven to rotate together, thereby driving the main transmission wheel 16 to rotate with the cooperation of the auxiliary card rod 9, and then driving the horizontal threaded rod 17 to rotate through the transmission belt 19 and the slave transmission wheel 18, and the movable slot column 11 is moved laterally through the second screw hole and the limiting rod 20, so that the outer surface of the printing roller can be scraped while the printing roller rotates, which significantly improves the scraping efficiency.

[0035] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It is apparent to those skilled in the art that various changes, modifications, substitutions, and variations to these embodiments may be made without departing from the principles and spirit of the present invention, and these changes and modifications still fall within the scope of protection of the present invention.

Claims

1. A scraper structure for a printing roller of a label printing machine, comprising a bearing seat (1), characterized in that: The invention also includes two groups of moving blocks (4), the two groups of moving blocks (4) are respectively fixedly connected with a first side support plate (5) and a second side support plate (6), the first side support plate (5) and the second side support plate (6) are respectively penetrated by a clamping shaft rod (8) and an auxiliary clamping rod (9), a roller body (10) is provided between the first side support plate (5) and the second side support plate (6), a moving slot column (11) is provided above the roller body (10), a movable disk (13) is provided inside the movable slot column (11), the lower side of the movable disk (13) is fixedly connected with a movable rod (14), and the lower end of the movable rod (14) is fixedly connected with a scraper plate (15).

2. The scraper structure for a printing roller of a label printing machine according to claim 1, characterized in that: A drive motor (2) is fixedly mounted on the outer end of the bearing seat (1); an output end of the drive motor (2) is fixedly connected to a screw shaft (3) that passes through the bearing seat (1); and a symmetrical threaded section is provided on the outer side surface of the screw shaft (3).

3. The scraper structure for a printing roller of a label printing machine according to claim 2, characterized in that: The two groups of moving blocks (4) are both provided with a first screw hole, and the two groups of moving blocks (4) are respectively threadedly connected to the screw shaft (3) through the first screw hole, and the two groups of moving blocks (4) are both located inside the bearing seat (1).

4. The scraper structure for a printing roller of a label printing machine according to claim 1, characterized in that: A forward and reverse motor (7) is fixedly installed at the middle position of the outer side of the first side support plate (5), and a clamping shaft rod (8) is fixedly connected to the output end of the forward and reverse motor (7). The auxiliary clamping rod (9) is rotatably connected to the second side support plate (6), and the clamping shaft rod (8) and the auxiliary clamping rod (9) are both clamped with the roller body (10).

5. The scraper structure for a printing roller of a label printing machine according to claim 4, characterized in that: A compression spring (12) is fixedly connected to the inner side of the movable slot column (11), and the compression spring (12) is fixedly connected to the movable disk (13), and the scraper plate (15) is in contact with the roller body (10).

6. The scraper structure for a printing roller of a label printing machine according to claim 1, characterized in that: A transverse threaded rod (17) is provided on the outer side of the second side support plate (6) near the top, and the end of the transverse threaded rod (17) is clamped with a slave transmission wheel (18). The outer end of the auxiliary clamping rod (9) is clamped and connected with the main transmission wheel (16). A transmission belt (19) is provided on the outer side of the second side support plate (6), and a limiting rod (20) is fixedly connected to the inner top of the second side support plate (6).

7. The scraper structure for a printing roller of a label printing machine according to claim 6, characterized in that: The main transmission wheel (16) and the slave transmission wheel (18) are both located on the outer side surface of the second side support plate (6), and the main transmission wheel (16) and the slave transmission wheel (18) are both connected to the transmission belt (19) for transmission.

8. The scraper structure for a printing roller of a label printing machine according to claim 6, characterized in that: A second screw hole is provided through the movable slot column (11), and the movable slot column (11) is threadedly connected to the transverse threaded rod (17) through the second screw hole. The movable slot column (11) is slidably connected to the limiting rod (20).

Images