Printing roller adjusting device of wide printing machine
By designing a printing roller adjustment device for a wide-format printing press, the problems of time-consuming and laborious printing roller adjustment and bulge damage in existing technologies have been solved, achieving the effect of quick adjustment without stopping the machine and protecting the printing paper.
Patent Information
- Application Number
- CN202520242977.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-17
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-02-17
AI Technical Summary
Existing printing presses require stopping operation when adjusting the printing rollers, which is time-consuming and labor-intensive. Furthermore, the raised surface of the printing paper can cause damage or scratches to the rollers, failing to effectively protect the printing paper.
Design a printing roller adjustment device for a wide-format printing press, including an adjustment component. By rotating a long bolt, the bearing and rotating shaft are moved up and down, enabling rapid adjustment of the printing roller and automatically adapting to height changes when there are bulges.
This technology enables rapid adjustment of the printing rollers without stopping the machine during printing, preventing damage to the rollers from protrusions, protecting the printing paper, and improving efficiency and safety.
Smart Images

Figure CN223720389U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the printing roller technical field of wide format printing machine, concretely is the printing roller adjusting device of wide format printing machine. BACKGROUND
[0002] The printing machine is the machine of printing character and image, modern printing machine generally comprises the mechanism of mounting, coating ink, impression, paper feeding (including folding) etc., its working principle is: first, the character and image to be printed are made into printing plate, are installed on the printing machine, then the ink is coated on the character and image place of printing plate by manual or printing machine, is directly or indirectly transferred to paper or other printing material (such as textile, sheet metal, plastic, leather, wood board, glass and ceramic) on, to copy the same printing product with printing plate, the invention and development of printing machine, for the spread of human civilization and culture have important effect.
[0003] But it still has some shortcomings, for example: the existing printing machine is stopped when debugging printing roller, is debugged, so repeatedly adjusting it, can be debugged well, not only time-consuming and laborious, the efficiency is also not high, at the same time, when the printing paper surface appears the situation of protrusion, the position of protrusion and printing roller contact, will directly appear breakage or scratch etc., after breakage, it can not be repaired, can not protect the printing paper.
[0004] To solve the above problems, a printing roller adjusting device for a wide format printing machine is provided in the present application. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a printing roller adjusting device for a wide format printing machine to solve the problems in the background art, such as the existing printing machine in the prior art is stopped when debugging the printing roller, is debugged, so repeatedly adjusting it, can be debugged well, not only time-consuming and laborious, the efficiency is also not high, at the same time, when the printing paper surface appears the situation of protrusion, the position of protrusion and printing roller contact, will directly appear breakage or scratch etc., after breakage, it can not be repaired, can not protect the printing paper.
[0006] To achieve the above object, the utility model provides the following technical scheme: a printing roller adjusting device for a wide format printing machine, comprising a printing roller, the front and rear ends of the printing roller are fixedly connected with rotating shafts and bearings, the bearings are located on the outer walls of the rotating shafts, the outer walls of the upper ends of the bearings are clamped with arc-shaped clamping blocks and arc-shaped clamping plates, the lower end outer surfaces of the arc-shaped clamping plates are fixedly connected with bases, and the front end outer surfaces of the bases are fixedly connected with adjusting assemblies.
[0007] Preferably, the adjusting assembly comprises a fixed plate, a side plate, a long bolt, a sleeve, a spring one, a rotating block, a connecting block, a limiting block, a telescopic rod, a spring two, an arc-shaped positioning block and a circular connecting block, the fixed plate is fixedly connected to the outer surface of the front end of the arc-shaped clamping plate, and the lower end of the outer surface of the fixed plate is fixedly connected with the side plate.
[0008] Preferably, the upper end of the outer surface of the fixed plate is provided with the long bolt, the outer wall of the long bolt is threadedly connected with the sleeve, the outer wall of the sleeve is sleeved with the spring one, and the sleeve and the spring one are located on the upper end of the outer surface of the fixed plate.
[0009] Preferably, the upper end of the outer surface of the long bolt is movably connected with the rotating block, the upper end of the outer surface of the rotating block is fixedly connected with the connecting block, and the connecting block is fixedly connected to the lower end of the outer wall of the bearing.
[0010] Preferably, the upper end of the outer surface of the arc-shaped clamping block is provided with the limiting block, the lower end of the outer surface of the limiting block is fixedly connected with the telescopic rod, the outer wall of the telescopic rod is sleeved with the spring two, and the spring two is located between the arc-shaped clamping block and the arc-shaped clamping plate.
[0011] Preferably, the front and rear ends of the outer surface of the arc-shaped clamping plate are fixedly connected with the arc-shaped positioning block, and the number of the arc-shaped positioning blocks is two groups, and the middle part of the two groups of arc-shaped positioning blocks is clamped with the circular connecting block.
[0012] Compared with the prior art, the adjusting assembly has the advantages that:
[0013] The adjusting assembly can be conveniently used for quickly adjusting the printing roller up and down, is convenient and fast to operate, cannot be turned off during the adjustment process, only needs to be adjusted during the rotating process, can automatically adapt to the protruding condition when the printing paper surface appears the protruding condition, and automatically adjusts the height of the printing roller, thereby protecting the printing paper and the printing roller. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a structure schematic view of the printing roller adjusting device of the wide-width printing machine;
[0015] Figure 2 It is a structure schematic view of the adjusting assembly in the printing roller adjusting device of the wide-width printing machine;
[0016] Figure 3 It is a partial structure schematic view of the adjusting assembly in the printing roller adjusting device of the wide-width printing machine;
[0017] Figure 4The utility model provides a kind of front view of the adjusting assembly of the printing roller adjusting device of wide-width printing machine.
[0018] In the figure: 1, printing roller; 2, rotating shaft; 3, bearing; 4, arc clamping block; 5, arc clamping plate; 6, base; 7, adjusting assembly; 8, fixed plate; 9, side plate; 10, long bolt; 11, sleeve; 12, spring one; 13, rotating block; 14, connecting block; 15, limiting block; 16, telescopic rod; 17, spring two; 18, arc positioning block; 19, circular connecting block. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.
[0020] Please refer to Figures 1-4 The utility model provides a kind of technical schemes: a kind of printing roller adjusting device of wide-width printing machine, including printing roller 1, the front and rear two ends outer surface of printing roller 1 is fixedly connected with rotating shaft 2 and bearing 3, and bearing 3 is located on the outer wall of rotating shaft 2, the upper end outer wall of bearing 3 is clamped and set with arc clamping block 4 and arc clamping plate 5, the lower end outer surface of arc clamping plate 5 is fixedly connected with base 6, the front end outer surface of base 6 is fixedly connected with adjusting assembly 7, and its overall structure is simple, easy to operate.
[0021] In the embodiment, as Figures 2-4As shown, the adjusting assembly 7 comprises a fixed plate 8, a side plate 9, a long bolt 10, a sleeve 11, a spring 12, a rotating block 13, a connecting block 14, a limiting block 15, an extension rod 16, a spring 17, an arc-shaped positioning block 18 and a circular connecting block 19, the fixed plate 8 is fixedly connected to the front end outer surface of the arc-shaped clamping plate 5, the lower end outer surface of the fixed plate 8 is fixedly connected with the side plate 9, the side plate 9 can be conveniently fixed on the front end outer surface of the arc-shaped clamping plate 5, the upper end outer surface of the fixed plate 8 is provided with the long bolt 10, the outer wall of the long bolt 10 is threadedly connected with the sleeve 11, the outer wall of the sleeve 11 is sleeved with the spring 12, and the sleeve 11 and the spring 12 are located on the upper end outer surface of the fixed plate 8, the spring 12 can prevent the long bolt 10 from rotating during adjustment or when the printing roller 1 rotates, the upper end outer surface of one end of the long bolt 10 is movably connected with the rotating block 13, the upper end outer surface of the rotating block 13 is fixedly connected with the connecting block 14, and the connecting block 14 is fixedly connected to the lower end outer wall of the bearing 3, the rotating block 13 can prevent the bearing 3 from rotating when the long bolt 10 rotates, the upper end outer surface of the arc-shaped clamping block 4 is provided with the limiting block 15, the lower end outer surface of the limiting block 15 is fixedly connected with the extension rod 16, the outer wall of the extension rod 16 is sleeved with the spring 17, and the spring 17 is located between the arc-shaped clamping block 4 and the arc-shaped clamping plate 5, the extension rod 16 and the spring 17 can automatically adjust the height when the printing roller 1 contacts the protrusions, and the printing paper is not damaged, the front and rear end outer surfaces of the arc-shaped clamping plate 5 are fixedly connected with the arc-shaped positioning block 18, the number of the arc-shaped positioning block 18 is two groups, and the middle part of the two groups of arc-shaped positioning blocks 18 is clamped with the circular connecting block 19, and the arc-shaped positioning block 18 can move the printing roller 1 up and down more stably.
[0022] Working principle:
[0023] A printing roller adjusting device of a wide-format printing machine, when in use, the adjusting assembly 7 is provided, the long bolt 10 is manually rotated first, the bearing 3 and the rotating shaft 2 are driven to move up and down under the rotation of the long bolt 10, at this time, the printing roller 1 also moves up and down together, so that the printing roller 1 can be quickly adjusted up and down, the operation is convenient and fast, and in the adjustment process, the printing machine cannot be turned off, only needs to be adjusted during rotation, and when the surface of the printing paper appears protrusions, the printing roller 1 can automatically adapt to the protrusions and automatically adjust the height of the printing roller 1, thereby protecting the printing paper and the printing roller 1.
[0024] Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the protection range of the utility model.
Claims
1. A printing roller adjustment device for a wide format printer comprising a printing roller cylinder (1), characterized in that: The outer surface of the front and back ends of the printing roller (1) is fixedly connected with a rotating shaft (2) and a bearing (3), and the bearing (3) is located on the outer wall of the rotating shaft (2), the outer wall of the upper end of the bearing (3) is clamped with an arc-shaped clamping block (4) and an arc-shaped clamping plate (5), the outer surface of the lower end of the arc-shaped clamping plate (5) is fixedly connected with a base (6), and the outer surface of the front end of the base (6) is fixedly connected with an adjusting assembly (7).
2. A print roller adjustment device for a wide format printer as claimed in claim 1, wherein: The adjusting assembly (7) comprises a fixed plate (8), a side plate (9), a long bolt (10), a sleeve (11), a spring (12), a rotating block (13), a connecting block (14), a limiting block (15), an extension rod (16), a spring (17), an arc-shaped positioning block (18) and a circular connecting block (19), the fixed plate (8) is fixedly connected to the outer surface of the front end of the arc-shaped clamping plate (5), and the outer surface of the lower end of the fixed plate (8) is fixedly connected with a side plate (9).
3. A print roller adjustment device for a wide format printer as claimed in claim 2, wherein: The outer surface of the upper end of the fixed plate (8) is provided with a long bolt (10), the outer wall of the long bolt (10) is threadedly connected with a sleeve (11), the outer wall of the sleeve (11) is sleeved with a spring (12), and the sleeve (11) and the spring (12) are located on the outer surface of the upper end of the fixed plate (8).
4. A print roller adjustment device for a wide format printer as claimed in claim 2, wherein: The outer surface of one end of the upper end of the long bolt (10) is movably connected with a rotating block (13), the upper end of the rotating block (13) is fixedly connected with a connecting block (14), and the connecting block (14) is fixedly connected to the outer wall of the lower end of the bearing (3).
5. A print roller adjustment device for a wide format printer as defined in claim 2, wherein: The outer surface of the upper end of the arc-shaped clamping block (4) is provided with a limiting block (15), the lower end of the limiting block (15) is fixedly connected with an extension rod (16), the outer wall of the extension rod (16) is sleeved with a spring (17), and the spring (17) is located between the arc-shaped clamping block (4) and the arc-shaped clamping plate (5).
6. A print roller adjustment device for a wide format printer as defined in claim 2, wherein: The outer surface of the front and back ends of the arc-shaped clamping plate (5) is fixedly connected with an arc-shaped positioning block (18), and the number of the arc-shaped positioning block (18) is two groups, and the middle part of the two groups of arc-shaped positioning blocks (18) is clamped with a circular connecting block (19).