Printing roller structure
By designing a printing roller structure with adjustment device, the problem of inconvenience of flexible adjustment and replacement of existing printing rollers is solved, and the flexible adjustment of the contact points between the ink roller and the printing plate cylinder is realized and the ink isolation effect is improved. Print quality and production efficiency.
Patent Information
- Application Number
- CN202421170929.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-27
- Publication Date
- 2025-02-07
- Estimated Expiration
- 2034-05-27
AI Technical Summary
The printing roller structure on existing offset printing machines cannot be flexibly adjusted, resulting in the inability to change printing parameters and low production efficiency. Most printing rollers are integrated structures, which are inconvenient to replace.
A printing roller structure including a fixing device and an adjustment device is designed. By setting a driving motor, a telescopic rod and a support plate, the ink roller is adjusted, the contact point between the ink roller and the printing plate cylinder is adjusted, and the ink roller and water are placed on the ink roller. Add partitions between the rollers to enhance the ink isolation effect.
Flexible adjustment of ink rollers is achieved, printing quality and production efficiency is improved, and the ink roller replacement process is simplified through convenient fixing and release mechanisms.
Smart Images
Figure CN222431829U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of printing equipment, in particular to a printing roller structure. Background Art
[0002] An offset press is a type of printing equipment commonly used for mass printing, also known as a lithographic press. Its main principle is to use flat-plate printing technology to transfer images to printing materials through the chemical reaction of ink and water. The printing roller of an offset press refers to the roller used to transfer ink or water to the printing plate. These rollers are usually made of rubber or similar materials, have certain elasticity and wear resistance, and play a key role in offset presses, directly affecting printing quality and efficiency.
[0003] The printing roller structure on the offset printing machine currently on the market often cannot be flexibly adjusted during use to change the printing parameters and the requirements to be achieved, and the printing rollers on most offset printing machines are of an integrated structure, which makes it very inconvenient to replace a single printing roller, greatly reducing the production efficiency of the equipment. Therefore, a printing roller structure is proposed to solve the above problems. Utility Model Content
[0004] 1. Technical issues to be solved
[0005] In view of the deficiencies in the prior art, the utility model provides a printing roller structure having the advantages of adjusting the contact point between the ink roller and the plate cylinder, etc., solving the problem that the printing rollers currently on the market cannot be flexibly adjusted during use to change the printing parameters and the requirements to be achieved, and that the printing rollers on most offset printing machines are of an integrated structure, which makes it very inconvenient to replace a single printing roller, greatly reducing the production efficiency of the equipment.
[0006] (II) Technical solution
[0007] In order to achieve the purpose of adjusting the contact point between the ink roller and the plate cylinder, the utility model provides the following technical solutions:
[0008] A printing roller structure comprises a fixing device and an adjusting device, wherein the adjusting device is arranged on the fixing device;
[0009] The fixing device comprises two fixing plates distributed on the left and right, an ink roller, a water roller and a printing plate cylinder are arranged between the two fixing plates, a partition is arranged between the ink roller and the water roller, a sliding groove is opened in the middle of the two fixing plates, a support plate is arranged inside the sliding groove, the support plate penetrates the two fixing plates through the sliding groove, the left and right sides of the ink roller are arranged on the support plate, and a fixing sleeve plate is arranged at the connection between the support plate and the ink roller;
[0010] The adjusting device comprises a supporting frame arranged on the left outer wall of the left fixed plate, a driving motor is arranged inside the supporting frame, a telescopic rod is arranged at the bottom of the supporting frame, and a connecting plate is fixedly installed at the bottom of the telescopic rod.
[0011] As a preferred technical solution of the utility model, the support frame is arranged above the left support plate, and a baffle is arranged between the connecting plate and the left support plate.
[0012] As a preferred technical solution of the utility model, the baffle 13 is fixedly connected to the left outer wall of the left support plate, and the top of the baffle is fixedly connected to the connecting plate.
[0013] As a preferred technical solution of the utility model, the plate cylinder is arranged between the ink roller and the water roller, the ink roller is arranged above the plate cylinder, and the water roller is arranged below the ink roller.
[0014] As a preferred technical solution of the utility model, a limit block is fixedly installed on the right outer wall of the right support plate, the bottom of the drive motor is connected to the telescopic rod, and the support plate is slidably connected to the fixed plate through the drive motor and the telescopic rod.
[0015] As a preferred technical solution of the utility model, fixing bolts are inserted on both left and right sides of the top of the fixing sleeve, and the fixing bolts penetrate the support plate and the fixing sleeve.
[0016] (III) Beneficial effects
[0017] Compared with the prior art, the utility model provides a printing roller structure, which has the following beneficial effects:
[0018] The printing roller structure can adjust the ink roller by setting a driving motor, a telescopic rod, a support plate and a slide groove, so as to adjust the contact point between the ink roller and the printing plate cylinder, and can also adjust the adsorption amount of the ink roller and the ink, and add an additional partition between the ink roller and the water roller to enhance the effect of ink and water isolation, and effectively improve the production quality of the product. Moreover, by setting a fixing sleeve plate that is easy to disassemble at the connection between the support plate and the ink roller, the ink roller can be fixed and released, which is convenient for replacement and convenient for users. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a schematic diagram of the structure of the utility model;
[0020] Figure 2 This is a schematic diagram of the regulating device in the utility model;
[0021] Figure 3 It is a schematic diagram of the ink roller connection of the utility model.
[0022] In the figure: 1. fixed plate; 2. ink roller; 3. water roller; 4. plate cylinder; 5. partition; 6. sliding groove; 7. support plate; 8. fixed sleeve plate; 9. support frame; 10. drive motor; 11. telescopic rod; 12. connecting plate; 13. baffle; 14. limit block; 15. fixing bolt. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0024] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.
[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0026] See also Figure 1-3 A printing roller structure includes a fixing device and an adjusting device, wherein the adjusting device is arranged on the fixing device.
[0027] Example 1
[0028] The fixing device includes two fixed plates 1 distributed on the left and right, an ink roller 2, a water roller 3 and a printing plate cylinder 4 are arranged between the two fixed plates 1, a partition plate 5 is arranged between the ink roller 2 and the water roller 3, a sliding groove 6 is opened in the middle of the two fixed plates 1, and a support plate 7 is arranged inside the sliding groove 6. The support plate 7 penetrates the two fixed plates 1 through the sliding groove 6, the left and right sides of the ink roller 2 are arranged on the support plate 7, and a fixed sleeve plate 8 is arranged at the connection between the support plate 7 and the ink roller 2.
[0029] In this embodiment, the plate cylinder 4 is arranged between the ink roller 2 and the water roller 3 , the ink roller 2 is arranged above the plate cylinder 4 , and the water roller 3 is arranged below the ink roller 2 .
[0030] It should be noted that the ink roller 2 can ensure that the printing plate remains stable during the printing process and maintains correct contact with the ink roller and the water roller. The plate cylinder 4 is responsible for coating ink on the surface of the printing plate for subsequent printing operations.
[0031] In this embodiment, fixing bolts 15 are inserted into both left and right sides of the top of the fixing sleeve plate 8 , and the fixing bolts 15 penetrate the support plate 7 and the fixing sleeve plate 8 .
[0032] It should be noted that the fixing bolt 15 facilitates fixing the support plate 7 and the fixing sleeve plate 8 , and facilitates installation and removal of the ink roller 2 .
[0033] Example 2
[0034] The adjusting device comprises a support frame 9 arranged on the left outer wall of the left fixed plate, a driving motor 10 is arranged inside the support frame 9, a telescopic rod 11 is arranged at the bottom of the support frame 9, and a connecting plate 12 is fixedly installed at the bottom of the telescopic rod 11.
[0035] In this embodiment, the support frame 9 is arranged above the left support plate 7, and a baffle 13 is arranged between the connecting plate 12 and the left support plate 7. The baffle 13 is fixedly connected to the left outer wall of the left support plate 7, and the top of the baffle 13 is fixedly connected to the connecting plate 12.
[0036] It should be noted that the baffle 13 can play a supporting and fixing role with the connecting plate 12 , so as to facilitate the connection between the telescopic rod and the supporting plate 7 .
[0037] In this embodiment, a limit block 14 is fixedly installed on the right outer wall of the right support plate 7, the bottom of the drive motor 10 is connected to the telescopic rod 11, and the support plate 7 is slidably connected to the fixed plate 1 through the drive motor 10 and the telescopic rod 11.
[0038] In this embodiment, the limit block 14 can prevent the right support plate 7 from being displaced and falling off the device.
[0039] Working principle: When in use, first place the left and right ends of the ink roller 2 on the left and right support plates 7, then cover the fixed sleeve 8 at the connection between the ink roller 2 and the support plate 7, and fix it with the fixing bolt 15, and finally adjust the position of the ink roller 2 by driving the motor 10 and the telescopic rod 11 to meet different processing requirements.
[0040] To summarize, the printing roller structure, by providing a driving motor 10, a telescopic rod 11, a support plate 7 and a sliding groove 6, can adjust the ink roller 2 to adjust the contact point between the ink roller 2 and the plate cylinder 4, and can also adjust the adsorption amount of the ink roller 2, and add an additional partition 5 between the ink roller 2 and the water roller 3, so as to enhance the effect of water-ink isolation and effectively improve the production quality of the product. Moreover, by providing a fixing sleeve 8 that is easy to disassemble at the connection between the support plate 7 and the ink roller 2, the ink roller 2 can be fixed and released, so that it is convenient to replace it and convenient for users to use.
[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A printing roller structure, comprising a fixing device and an adjusting device, wherein the adjusting device is arranged on the fixing device; Features: The fixing device comprises two fixing plates distributed on the left and right, an ink roller, a water roller and a printing plate cylinder are arranged between the two fixing plates, a partition is arranged between the ink roller and the water roller, a sliding groove is opened in the middle of the two fixing plates, a support plate is arranged inside the sliding groove, the support plate penetrates the two fixing plates through the sliding groove, the left and right sides of the ink roller are arranged on the support plate, and a fixing sleeve plate is arranged at the connection between the support plate and the ink roller; The adjusting device comprises a supporting frame arranged on the left outer wall of the left fixed plate, a driving motor is arranged inside the supporting frame, a telescopic rod is arranged at the bottom of the supporting frame, and a connecting plate is fixedly installed at the bottom of the telescopic rod.
2. A printing roller structure according to claim 1, characterized in that: The support frame is arranged above the left support plate, and a baffle is arranged between the connecting plate and the left support plate.
3. A printing roller structure according to claim 2, characterized in that: The baffle is fixedly connected to the left outer wall of the left support plate, and the top of the baffle is fixedly connected to the connecting plate.
4. A printing roller structure according to claim 1, characterized in that: The printing plate cylinder is arranged between the ink roller and the water roller, the ink roller is arranged above the printing plate cylinder, and the water roller is arranged below the ink roller.
5. A printing roller structure according to claim 1, characterized in that: A limit block is fixedly installed on the right outer wall of the right support plate, the bottom of the driving motor is connected to the telescopic rod, and the supporting plate is slidably connected to the fixed plate through the driving motor and the telescopic rod.
6. A printing roller structure according to claim 1, characterized in that: The left and right sides of the top of the fixing sleeve are both plugged with fixing bolts, and the fixing bolts penetrate the supporting plate and the fixing sleeve.