Printing machine roller machining auxiliary tool

Abstract

The utility model provides an auxiliary tool for printing machine roller machining, which belongs to the technical field of roller machining and comprises a workbench, a supporting block is fixedly arranged on the workbench, a plurality of clamping rollers are slidably arranged on the workbench, a roller body is placed on the supporting block, and the clamping rollers are close to or far away from the central axis of the roller body. The clamping roller comprises a rubber part and a hard part which are fixedly connected, the rubber part faces the roller wheel body, and a mounting table is fixedly arranged on the inner wall of the hard part area in the clamping roller; a fixed block is fixedly arranged on the mounting table, a magnet block is arranged on the mounting table in a limiting and sliding manner, an elastic guide piece is arranged between the fixed block and the magnet block, and an electromagnet matched with the magnet block in a magnetic attraction manner is further arranged on the mounting table; toothed plates are fixedly arranged on the magnet blocks and abut against the rubber parts correspondingly, cleaning pieces are arranged on the clamping rollers, and the cleaning pieces are in transmission fit with the toothed plates. In the process that the clamping roller clamps the roller body, the rubber part on the clamping roller deforms, and therefore the rubber part can make better contact with the outer arc face of the roller body.

Description

Technical Field

[0001] This utility model belongs to the field of roller processing technology, specifically relating to an auxiliary tooling for processing printing press rollers. Background Technology

[0002] Printing press rollers are cylinders or wheels used to transfer, distribute, and control ink, water, or other media during the printing process; they are indispensable key components in the printing process. During the machining of printing press rollers, clamping and limiting are often necessary to ensure stability. Therefore, an auxiliary tooling for machining printing press rollers is provided.

[0003] A patent with publication number CN217913779U discloses an adjustable printing roller welding fixture, which includes a motor, a rotating shaft, a first bevel gear, a second bevel gear, a lead screw, fixed cylinders, a printing roller body, a cylinder, and a pressure block. In use, the motor is started, driving the transmission shaft to rotate. The engagement of the first and second bevel gears causes the lead screw to rotate, thereby adjusting the distance between the two fixed cylinders and allowing them to bear the weight of the printing roller. Subsequently, the cylinder is activated, causing the pressure block to abut against the upper end of the printing roller body. By increasing the effective contact area between the equipment and the printing roller body, the stability during processing is improved.

[0004] However, in the above scheme, both the fixing cylinder and the pressure block are cylindrical, and their contact with the printing roller body is only line contact. The contact area between the two and the printing roller body is small, and the restriction effect on the printing roller body is generally weak. Utility Model Content

[0005] To address the problems existing in the background art, this utility model provides an auxiliary tooling for printing press roller processing.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] An auxiliary tooling for processing printing press rollers includes a worktable. A support block is fixedly mounted on the worktable, and several clamping rollers are slidably mounted thereon. The roller body is placed on the support block, and the clamping rollers are all oriented towards or away from the central axis of the roller body. Each clamping roller includes a fixedly connected rubber part and a rigid part, with the rubber part facing the roller body. A mounting platform is fixedly mounted on the inner wall of the rigid part region within the clamping roller. A fixing block is fixedly mounted on the mounting platform, and a magnet block is slidably mounted thereon. An elastic guide is provided between the fixing block and the magnet block. Additionally, an electromagnet is provided on the mounting platform to magnetically engage with the magnet block. A toothed plate is fixedly mounted on the magnet block, corresponding to and abutting against the rubber part. A cleaning component is provided on the clamping roller, and the cleaning component engages with the toothed plate in a driving relationship.

[0008] Furthermore, the elastic guide includes a guide rod, with the guide rod fixedly mounted at one end of the fixed block facing the magnet block, and the other end of the guide rod sliding through the magnet block and fixedly mounted with a limiting block; a first spring is sleeved on the outer surface of the guide rod, with one end of the first spring fixedly connected to the fixed block and the other end fixedly connected to the magnet block.

[0009] Furthermore, each of the clamping rollers is connected to a drive mechanism, which includes a connecting block. A cylinder is fixedly installed on the worktable, and the connecting block is fixedly installed on the telescopic shaft of the cylinder. The connecting block is fixedly connected to the rigid part of the clamping roller, and the connecting block presents an irregular pentagonal prism shape with an arc.

[0010] Furthermore, a shaft is rotatably mounted inside the hardened part of the clamping roller. The shaft is coaxial with the clamping roller, and a gear is fixedly mounted on the outer surface of the shaft via a one-way bearing. The gear meshes with the gear plate and maintains a meshing state at all times. The inner ring of the one-way bearing is fixedly sleeved on the outer surface of the shaft, and the outer ring of the one-way bearing is fixedly mounted inside the gear.

[0011] Furthermore, the cleaning component includes a support plate, both ends of the shaft extend rotatably beyond the clamping roller, and the support plate is fixedly mounted on the outer surface of both ends of the shaft; a scraper is slidably mounted through each support plate, and a notch is provided on the opposing sides of the two scrapers, the notch being in contact with the connecting block for transmission; a limiting plate is fixedly mounted on the opposite sides of the two scrapers, and a second spring is provided between the limiting plate and the support plate, the second spring being sleeved on the outer surface of the scraper.

[0012] This application has the following beneficial effects:

[0013] 1. During the clamping process of the clamping roller clamping the roller body, the rubber part on the clamping roller will deform, thereby making better contact with the outer arc surface of the roller body, increasing the contact area between the clamping roller and the roller body, better achieving clamping and limiting of the roller body, and improving the fixing effect of the roller body.

[0014] 2. During the process of releasing the clamping roller from the main body of the roller, the cleaning component will automatically scrape and clean the surface of the rubber part to prevent the surface of the rubber part from being covered with debris and foreign objects generated during the processing. This prevents foreign objects on the surface of the rubber part from damaging the surface of the roller body under pressure when the clamping roller clamps the roller next time, thereby improving the stability and practicality of the device during use. Attached Figure Description

[0015] The above and other objects, features, and advantages of the present invention will become readily understood by reading the following detailed description of exemplary embodiments with reference to the accompanying drawings. In the drawings, several embodiments of the present invention are shown by way of example and not limitation, and like or corresponding reference numerals denote like or corresponding parts, wherein:

[0016] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0017] Figure 2 This is a schematic diagram of the cleaning component structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the internal structure of the clamping roller of this utility model.

[0019] Explanation of reference numerals in the attached figures:

[0020] 1. Workbench; 2. Cylinder; 3. Roller body; 4. Support block; 5. Support plate; 6. Scraper; 7. Connecting block; 8. Second spring; 9. Rubber part; 10. Hard part; 11. Shaft; 12. Notch; 13. One-way bearing; 14. Fixing block; 15. Electromagnet; 16. Guide rod; 17. First spring; 18. Mounting platform; 19. Magnet block; 20. Gear; 21. Tooth plate; 22. Limiting plate. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Those skilled in the art should understand that the embodiments described below are only some, not all, of the embodiments disclosed. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0022] like Figures 1-3 As shown, the technical solution adopted by this utility model is as follows: An auxiliary tooling for processing printing press rollers includes a worktable 1. A support block 4 is fixedly mounted on the worktable 1, and several clamping rollers are slidably mounted on it. A roller body 3 is placed on the support block 4. The clamping rollers move closer to or further away from the central axis of the roller body 3. The support block 4 supports the roller body 3, while the clamping rollers clamp and limit its movement. In this embodiment, there are three clamping rollers, all facing the central axis of the roller body 3. Two are positioned horizontally, and one is positioned vertically, with the two horizontally positioned rollers symmetrically arranged.

[0023] The clamping roller includes a rubber part 9 and a hard part 10, which are fixedly connected. The rubber part 9 is the portion of the clamping roller facing the roller body 3. A mounting platform 18 is fixedly installed on the inner wall of the hard part 10 region of the clamping roller. A fixing block 14 is fixedly installed on the mounting platform 18, and a magnet block 19 is slidably installed to limit its movement. An elastic guide is provided between the fixing block 14 and the magnet block 19. At the same time, an electromagnet 15 is also provided on the mounting platform 18 to magnetically engage with the magnet block 19. A toothed plate 21 is fixedly installed on the magnet block 19, and the toothed plate 21 abuts against the inner wall of the rubber part 9 region of the clamping roller.

[0024] The elastic guide includes a guide rod 16. A fixing block 14 is fixedly mounted on one end of the guide rod 16 facing the magnet block 19. The other end of the guide rod 16 slides through the magnet block 19 and is fixedly mounted on a limiting block to prevent the magnet block 19 from detaching from the guide rod 16. A first spring 17 is sleeved on the outer surface of the guide rod 16. One end of the first spring 17 is fixedly connected to the fixing block 14, and the other end is fixedly connected to the magnet block 19.

[0025] In addition, each clamping roller is connected to a drive mechanism, which includes a connecting block 7. A cylinder 2 is fixedly mounted on the worktable 1, and the connecting block 7 is fixedly mounted on the telescopic shaft of the cylinder 2. The connecting block 7 is fixedly connected to the rigid part 10 of the clamping roller. Figure 1 As shown, connecting block 7 presents an irregular pentagonal prism shape with an arc.

[0026] Each clamping roller is equipped with a cleaning component, which is in drive engagement with the toothed plate 21.

[0027] A shaft 11 is rotatably mounted within the rigid portion 10 of the clamping roller. The shaft 11 is coaxial with the clamping roller. A damper (not shown in the figure) is provided at the rotatable connection between the rigid portion 10 and the shaft 11. The damper is used to prevent the shaft 11 from rotating due to slight external influences. The damper is existing technology and will not be described in detail. A gear 20 is fixedly mounted on the outer surface of the shaft 11 via a one-way bearing 13. The gear 20 meshes with a gear plate 21 and remains in a meshed state. The inner ring of the one-way bearing 13 is fixedly sleeved on the outer surface of the shaft 11, and the outer ring of the one-way bearing 13 is fixedly mounted inside the gear 20.

[0028] The cleaning component includes a support plate 5. Both ends of the shaft 11 extend rotatably beyond the clamping roller. A support plate 5 is fixedly mounted on the outer surface of both ends of the shaft 11, and the two support plates 5 are symmetrically arranged. A scraper 6 is slidably mounted on each support plate 5. The opposing sides of the two scrapers 6 abut against each other and each has a notch 12. The notch 12 corresponds to the tip of the connecting block 7 and is in contact transmission engagement. A limiting plate 22 is fixedly mounted on the opposite sides of the two scrapers 6. A second spring 8 is provided between the limiting plate 22 and the support plate 5, and the second spring 8 is sleeved on the outer surface of the scraper 6.

[0029] Working principle: When in use, place the roller body 3 on the support block 4, start the cylinder 2, and the telescopic shaft of the cylinder 2 pushes the clamping roller to move closer to the roller body 3 through the connecting block 7, so that the toothed plate 21 moves closer to the central axis of the roller body 3.

[0030] As the telescopic shaft of cylinder 2 continues to push the clamping roller, the rubber part 9 of the clamping roller comes into contact with the outer arc surface of the roller body 3, causing the rubber part 9 to deform during the pushing process, so that the rubber part 9 can better contact the outer arc surface of the roller body 3, thereby increasing the contact area and thus achieving clamping and fixing of the roller body 3.

[0031] The deformation of the rubber part 9 of the clamping roller pushes the toothed plate 21 to slide away from the roller body 3 (it should be noted that the toothed plate 21 is aligned with the central axis of the roller body 3 before moving, and the toothed plate 21 will not deviate during the sliding process). Through the meshing of the toothed plate 21 and the gear 20, the gear 20 rotates. At this time, the one-way bearing 13 rotates freely, and the shaft 11 does not rotate. Furthermore, the sliding of the toothed plate 21 pushes the magnet block 19 to slide on the mounting platform 18 in the direction of compressing the first spring 17, and the magnet block 19 and the guide rod 16 also slide relative to each other.

[0032] After the rubber part 9 has deformed, the clamping roller completely fixes the roller body 3. At this time, the magnet 19 is located above the electromagnet 15. Then, the electromagnet 15 is energized, and the electromagnet 15 attracts the magnet 19, thereby achieving the limiting and fixing of the toothed plate 21.

[0033] After the roller body 3 is processed, the telescopic shaft of the control cylinder 2 retracts, causing the clamping roller to move away from the roller body 3. At this time, the rubber part 9 of the clamping roller gradually recovers its deformation. After the rubber part 9 recovers its deformation, the electromagnet 15 is de-energized, releasing the restriction on the toothed plate 21. Subsequently, the first spring 17 recovers its deformation and pushes the magnet block 19 to slide away from the fixed block 14.

[0034] The magnet 19 drives the toothed plate 21 to slide synchronously, and the toothed plate 21 drives the gear 20 to rotate. At this time, the one-way bearing 13 is locked, causing the shaft 11 to rotate, which in turn drives the support plate 5 on the shaft 11 to rotate around the central axis of the shaft 11. The support plate 5 will drive the scraper 6 to rotate synchronously.

[0035] Since there is a notch 12 between the two scraper blades 6 and the notch 12 corresponds to the tip of the connecting block 7, when the scraper blade 6 rotates past the connecting block 7, the tip of the connecting block 7 will cooperate with the notch 12, pushing the two scraper blades 6 to slide in opposite directions under the limit of the support plate 5. The second spring 8 is gradually stretched, so that the scraper blade 6 can pass over the connecting block 7.

[0036] After the scraper 6 passes the connecting block 7, under the action of the second spring 8, the scraper 6 reconnects, and the shaft 11 continues to rotate, causing the scraper 6 to clean the outer arc surface of the rubber part 9 of the clamping roller. This prevents foreign matter from adhering to the rubber part 9 after the clamping roller has clamped the roller body 3, and thus avoids damage to the surface of the roller body 3 under pressure during the next clamping operation, further improving the stability and practicality of the device.

[0037] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. An auxiliary tool for processing a printing machine roller, characterized by, The system includes a workbench (1), on which a support block (4) is fixedly mounted and several clamping rollers are slidably mounted. A roller body (3) is placed on the support block (4), and the clamping rollers are positioned either close to or away from the central axis of the roller body (3). Each clamping roller includes a fixedly connected rubber part (9) and a hard part (10), with the rubber part (9) facing the roller body (3). An mounting platform (18) is fixedly mounted on the inner wall of the hard part (10) region within the clamping roller. A fixing block (14) is fixedly installed on the platform (18), and a magnet block (19) is slidably installed. An elastic guide is provided between the fixing block (14) and the magnet block (19). In addition, an electromagnet (15) is provided on the platform (18) to magnetically engage with the magnet block (19). A toothed plate (21) is fixedly installed on the magnet block (19). The toothed plate (21) is correspondingly abutted against the rubber part (9). A cleaning part is provided on the clamping roller. The cleaning part is in transmission engagement with the toothed plate (21).

2. The printing press roll machining aid tool of claim 1, wherein, The elastic guide includes a guide rod (16), and the guide rod (16) is fixedly installed at one end of the fixed block (14) facing the magnet block (19). The other end of the guide rod (16) slides through the magnet block (19) and is fixedly installed with a limiting block. A first spring (17) is sleeved on the outer surface of the guide rod (16). One end of the first spring (17) is fixedly connected to the fixed block (14), and the other end is fixedly connected to the magnet block (19).

3. The printing press roll machining aid tool of claim 1, wherein, Each of the clamping rollers is connected to a drive mechanism, which includes a connecting block (7). A cylinder (2) is fixedly installed on the worktable (1), and the connecting block (7) is fixedly installed on the telescopic shaft of the cylinder (2). The connecting block (7) is fixedly connected to the hard part (10) of the clamping roller, and the connecting block (7) presents an irregular pentagonal prism shape with an arc.

4. The printing press roll machining aid tool of claim 3, wherein, A shaft (11) is rotatably mounted inside the hard part (10) of the clamping roller. The shaft (11) is coaxial with the clamping roller. A gear (20) is fixedly mounted on the outer surface of the shaft (11) through a one-way bearing (13). The gear (20) meshes with the toothed plate (21) and always maintains the meshing state. The inner ring of the one-way bearing (13) is fixedly sleeved on the outer surface of the shaft (11), and the outer ring of the one-way bearing (13) is fixedly mounted inside the gear (20).

5. A printing roller processing aid tool according to claim 4, wherein The cleaning component includes a support plate (5), and both ends of the shaft (11) extend rotatably to the outside of the clamping roller. The support plate (5) is fixedly installed on the outer surface of both ends of the shaft (11). Each support plate (5) is provided with a scraper (6) through which the scraper slides. The opposing sides of the two scrapers (6) are provided with notches (12), and the notches (12) are in contact with the connecting block (7) for transmission. The opposing sides of the two scrapers (6) are fixedly provided with limiting plates (22). A second spring (8) is provided between the limiting plate (22) and the support plate (5). The second spring (8) is sleeved on the outer surface of the scraper (6).

Images