Impression cylinder

Abstract

The utility model relates to the technical field of impression, and discloses an impression cylinder which comprises a cylinder body and a control component arranged on the outer side of the cylinder body. Side position fixing plates are arranged at the left end and the right end of the roller body correspondingly, and transmission rotating shafts are arranged on the outer sides of the two side position fixing plates correspondingly; the control component comprises two clamping shaft discs, the two clamping shaft discs are movably installed on the opposite sides of the two side position fixing plates respectively, and the outer sides of the clamping shaft discs are connected with the transmission rotating shaft. According to the impression cylinder, the assembly groove and the expansion clamping groove are formed in the outer surface of the cylinder body and used for covering the outer surface of the cylinder body with impression rubber, rapid disassembly and assembly are facilitated, meanwhile, the clamping shaft disc is arranged on the outer side of the side fixing plate, rotation of the cylinder body can be stably controlled, uniform and stable impression is facilitated, and reliable quality is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of embossing, in particular to an embossing roller. Background Art

[0002] The impression roller is the cylindrical impression body on the printing press and is the most important roller in the offset printing press. Its surface has a high degree of processing precision and is resistant to acid, alkali and corrosion. The cylinder has high rigidity and strength and can resist impact and vibration. During the printing process, the impression roller mainly plays the role of supporting the paper, completing printing and transferring the paper.

[0003] However, the existing embossing roller technology also has some defects. When the surface of the embossing roller is rough, aged or the friction force increases, ink sticking problems may occur, and the autonomous fixing and rotation of the roller are difficult to achieve stable control, and it is difficult to ensure the effect and quality of the embossing. Therefore, an embossing roller is proposed. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides an impression roller, which has the advantages of being easy to replace and stably controlled, thereby solving the problems of inconvenient replacement and unstable control.

[0006] (II) Technical solution

[0007] In order to achieve the above-mentioned purpose of easy replacement and stable control, the utility model provides the following technical solutions: an impression cylinder, comprising a cylinder body and a control component, wherein the control component is arranged on the outside of the cylinder body;

[0008] The left and right ends of the drum body are both provided with side fixing plates, and the outer sides of the two side fixing plates are both provided with transmission shafts;

[0009] The control component comprises two engaging shaft discs, which are movably mounted on opposite sides of two side fixing plates, and the outer sides of the engaging shaft discs are connected with the transmission rotating shaft.

[0010] As a preferred technical solution of the utility model, the outer surface of the roller body is provided with assembly grooves on both sides, and the inner side of the assembly groove is provided with an extended side groove, through which the embossed rubber can be fixedly installed on the outer surface of the roller body.

[0011] The beneficial effects of the above-mentioned preferred technical solution are: the existence of the assembly groove makes the installation and disassembly of the embossing rubber more convenient. When the embossing rubber is worn or needs to be replaced, the operator can easily disassemble and replace it through the assembly groove without the need for complicated disassembly of the entire roller body, thereby greatly saving maintenance time and cost.

[0012] As a preferred technical solution of the utility model, the outer surface of the roller body is further provided with four expansion slots located opposite to the two assembly slots, and small embossing rubbers can be fixedly installed on the inner sides of the four expansion slots.

[0013] The beneficial effect of the above preferred technical solution is: using a small embossing rubber to fill the gaps, the integrity and comprehensiveness of the printing is guaranteed.

[0014] As a preferred technical solution of the utility model, limiting grooves are provided at the centers of the opposite sides of the two side fixing plates, limiting clamping rings are fixedly installed on the inner sides of the limiting grooves, and a roller shaft groove is provided on the inner side of the limiting clamping rings.

[0015] The beneficial effects of the above-mentioned preferred technical solution are: the presence of the limit groove and the limit clamp ring provides a precise positioning and fixing mechanism for the installation of the roller. During assembly, the transmission shaft can be accurately embedded in the roller shaft groove and fixed by the limit clamp ring to ensure a close fit between the roller and the side fixing plate, thereby improving the stability of the roller during operation.

[0016] As a preferred technical solution of the utility model, a locking shaft disk is fixedly installed on the inner side of the roller shaft groove, the outer side of the locking shaft disk is locked in the limiting clamping ring and the inner side of the roller shaft groove, a plurality of positioning grooves are provided on the outer surface of the locking shaft disk, and a transmission shaft is fixedly connected to the side of the locking shaft disk, and the transmission shaft can drive the locking shaft disk to rotate.

[0017] The beneficial effects of the above-mentioned preferred technical solution are: the tight engagement between the engaging shaft disc, the limiting clamping ring and the roller shaft groove greatly enhances the connection stability between the transmission shaft and the side fixing plate. This design enables the roller to maintain a stable axial position when running at high speed, reducing the risk of loosening or deviation due to vibration.

[0018] As a preferred technical solution of the utility model, the two side fixed plates are fixedly installed with fixed clamps on their opposite sides, eight equally spaced positioning blocks are fixedly installed on the inner sides of the fixed clamps, and telescopic shafts are transmission-installed on the opposite sides of the eight positioning blocks, and the telescopic shafts can be clamped in the inner side of the positioning groove.

[0019] The beneficial effect of the above preferred technical solution is: by means of the telescopic shaft being clamped on the inner side of the positioning groove on the outer surface of the clamping shaft disc, it is ensured that the clamping shaft disc can be rotated and fixed in a controllable manner, thereby ensuring the overall stability of the drum body.

[0020] (III) Beneficial effects

[0021] Compared with the prior art, the utility model provides an impression roller, which has the following beneficial effects:

[0022] The embossing roller is provided with an assembly groove and an expansion slot on the outer surface of the roller body, which is used to cover the outer surface of the roller body with embossing rubber, so as to facilitate quick disassembly and installation. At the same time, a locking shaft disk is provided on the outer side of the side fixing plate, so that the rotation of the roller body can be stably controlled, which is convenient for uniform and stable embossing and ensures reliable quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the appearance structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the structure of the side fixing plate of the utility model;

[0025] Figure 3 This is a schematic diagram of the mounting structure of the engaging shaft disc of the utility model.

[0026] In the figure: 1. drum body; 2. side fixing plate; 3. engaging shaft disc; 4. transmission shaft; 5. fixing clamping ring; 6. assembly groove; 7. extension clamping groove; 8. limiting clamping ring; 9. drum shaft groove; 10. limiting groove; 11. extension side groove; 12. positioning block; 13. telescopic shaft; 14. positioning groove. DETAILED DESCRIPTION

[0027] 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.

[0028] 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.

[0029] 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.

[0030] See also Figure 1-3 A printing roller comprises a roller body 1 and a control component, wherein the control component is arranged on the outer side of the roller body 1.

[0031] Side fixing plates 2 are disposed at both left and right ends of the drum body 1 , and transmission shafts 4 are disposed on the outer sides of the two side fixing plates 2 .

[0032] In this embodiment, assembly grooves 6 are provided on the left and right sides of the outer surface of the drum body 1, and extended side grooves 11 are provided on the inner side of the assembly grooves 6. The embossed rubber can be fixedly installed on the outer surface of the drum body 1 through the assembly grooves 6, and the left and right ends of the embossed rubber can be fixedly installed on the front and rear sides of the assembly grooves 6.

[0033] It should be noted that the presence of the assembly groove 6 makes the installation and disassembly of the embossing rubber more convenient. When the embossing rubber is worn or needs to be replaced, the operator can easily disassemble and replace it through the assembly groove 6 without the need for complicated disassembly of the entire roller body 1, thereby greatly saving maintenance time and cost.

[0034] The precise design of the assembly groove 6 and the extended side groove 11 helps to ensure the accurate positioning and installation of the embossing rubber, which helps to achieve higher embossing accuracy during the printing process, ensuring that the patterns and texts of the printed matter are clear and accurate, thereby improving the quality of the printed matter.

[0035] In this embodiment, the outer surface of the roller body 1 is further provided with four extended card slots 7 located opposite to the two assembly slots 6. Small embossing rubbers can be fixedly installed on the inner sides of the four extended card slots 7. The side surfaces of the small embossing rubbers can be fixedly installed on the inner sides of the extended side slots 11 to ensure their stability. The small embossing rubbers can be covered by the embossing rubbers to fill the gaps and ensure the integrity and comprehensiveness of the printing.

[0036] In this embodiment, the centers of the opposite sides of the two side fixing plates 2 are both provided with limiting grooves 10 , the inner side of the limiting grooves 10 is fixedly installed with limiting clamping rings 8 , and the inner side of the limiting clamping rings 8 is provided with roller shaft grooves 9 .

[0037] It should be noted that the presence of the limit groove 10 and the limit clamp 8 provides a precise positioning and fixing mechanism for the installation of the roller. During assembly, the transmission shaft 4 can be accurately embedded in the roller shaft groove 9 and fixed by the limit clamp 8 to ensure a close fit between the roller and the side fixing plate 2, thereby improving the stability of the roller during operation.

[0038] The control component includes two engaging shaft discs 3 , which are movably mounted on opposite sides of two side fixing plates 2 , and the outer sides of the engaging shaft discs 3 are connected to the transmission shaft 4 .

[0039] In this embodiment, a locking shaft disk 3 is fixedly installed on the inner side of the roller shaft groove 9, and the outer side of the locking shaft disk 3 is locked in the inner side of the limiting clamping ring 8 and the roller shaft groove 9. A plurality of positioning grooves 14 are provided on the outer surface of the locking shaft disk 3, and a transmission shaft 4 is fixedly connected to the side of the locking shaft disk 3, and the transmission shaft 4 can drive the locking shaft disk 3 to rotate.

[0040] It should be noted that the tight engagement between the engaging shaft disc 3, the limiting clamping ring 8 and the roller shaft groove 9 greatly enhances the connection stability between the transmission shaft 4 and the side fixing plate 2. This design enables the roller to maintain a stable axial position when running at high speed, reducing the risk of loosening or deviation due to vibration.

[0041] In this embodiment, the two side fixing plates 2 are fixedly installed with fixing rings 5 ​​on their opposite sides, and eight equally spaced positioning blocks 12 are fixedly installed on the inner side of the fixing rings 5. The opposite sides of the eight positioning blocks 12 are all transmission-installed with telescopic shafts 13, and the telescopic shafts 13 can be clamped in the inner side of the positioning groove 14.

[0042] It should be noted that, through the snap connection between the telescopic shaft 13 and the positioning groove 14, a firm fixing structure is formed between the side fixing plate 2 and the snap shaft disc 3, so that it can be stably fixed when not in operation, avoiding looseness and causing safety hazards.

[0043] The working principle of the above embodiment is:

[0044] By covering the outer surface of the roller body 1 with the embossed rubber, and then covering the outer surface of the roller body 1 with the small embossed rubber, it is stably fixed with the help of the assembly groove 6 and the expansion slot 7 to ensure the integrity during embossing, and then the outer side of the side fixing plate 2 is fixedly installed with the engaging shaft disc 3, and the telescopic shaft 13 is clamped on the inner side of the positioning groove 14 on the outer surface of the engaging shaft disc 3 to ensure that the engaging shaft disc 3 can be rotated and fixed in a controllable manner, thereby ensuring the overall stability of the roller body 1.

[0045] The beneficial effects of the above embodiments are:

[0046] By opening an assembly groove 6 and an expansion slot 7 on the outer surface of the drum body 1, the outer surface of the drum body 1 is covered with embossing rubber, which is convenient for quick disassembly and installation. At the same time, a locking shaft disk 3 is arranged on the outer side of the side fixing plate 2, so that it can stably control the rotation of the drum body 1, facilitate uniform and stable embossing, and ensure reliable quality.

[0047] 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. An impression cylinder, comprising a cylinder body and a control component, wherein the control component is arranged on the outer side of the cylinder body; Features: The left and right ends of the drum body are both provided with side fixing plates, and the outer sides of the two side fixing plates are both provided with transmission shafts; The control component comprises two engaging shaft discs, which are movably mounted on opposite sides of two side fixing plates, and the outer sides of the engaging shaft discs are connected with the transmission rotating shaft.

2. The impression cylinder according to claim 1, characterized in that: The outer surface of the roller body is provided with assembly grooves on both left and right sides, and the inner side of the assembly groove is provided with an extended side groove, through which the embossing rubber can be fixedly installed on the outer surface of the roller body.

3. The impression cylinder according to claim 2, characterized in that: The outer surface of the roller body is further provided with four expansion slots located opposite to the two assembly slots, and small embossing rubbers can be fixedly installed on the inner sides of the four expansion slots.

4. The impression cylinder according to claim 1, characterized in that: Limiting grooves are arranged at the centers of the opposite sides of the two side fixing plates, and a limiting clamping ring is fixedly installed on the inner side of the limiting groove, and a roller shaft groove is arranged on the inner side of the limiting clamping ring.

5. The impression cylinder according to claim 4, characterized in that: A locking shaft disc is fixedly installed on the inner side of the roller shaft groove, and the outer side of the locking shaft disc is locked in the inner side of the limiting clamping ring and the roller shaft groove. A plurality of positioning grooves are provided on the outer surface of the locking shaft disc, and a transmission shaft is fixedly connected to the side of the locking shaft disc, and the transmission shaft can drive the locking shaft disc to rotate.

6. The impression cylinder according to claim 5, characterized in that: The opposite sides of the two side fixing plates are fixedly installed with fixing clamps, the inner sides of the fixing clamps are fixedly installed with eight equally spaced positioning blocks, the opposite sides of the eight positioning blocks are transmission-installed with telescopic shafts, and the telescopic shafts can be clamped in the inner sides of the positioning grooves.

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