Detachable and replaceable wrapping structure of offset printing roller

Abstract

The utility model relates to the technical field of offset printing roller processing, and discloses an offset printing roller detachable wrapping structure which comprises a shaft core, a positioning mechanism is integrally arranged on the surface of the shaft core, a sleeve shell is arranged on the positioning mechanism in a sleeved mode, an aluminum wrapping layer is wrapped on the surface of the sleeve shell, a pressing pad is arranged at the joint of the aluminum wrapping layer in a press fit mode, and the pressing pad is arranged on the surface of the shaft core. A ceramic layer is sprayed on the surface of the aluminum wrapping layer, a seam fixing groove is formed in the sleeve shell, the pressing pad is located in the seam fixing groove, and an assembling mechanism is in lap joint with one end of the positioning mechanism and arranged on the shaft core in a sleeving mode. The offset printing roller replacement type wrapping structure solves the problems that in the prior art, in the transfer printing and gluing process of an offset printing roller, the offset printing roller needs to make full contact with glue liquid and press the glue liquid on a machined material, the surface of the offset printing roller is abraded and peeled off inevitably after long-time use, and consequently the whole offset printing roller needs to be replaced; and the processing cost of the release film is further increased.

Description

TECHNICAL FIELD

[0001] The utility model relates to rubber printing roller processing technical field, concretely is a rubber printing roller dismantling and changing formula package structure. BACKGROUND

[0002] Rubber printing roller is a kind of roller equipment specially designed to be used to evenly coat glue, adhesive or other coating on the surface of material, when release film or other material is produced, rubber printing roller evenly transfers glue to the paper, film, fabric and other materials to be coated in the process of rotation.

[0003] In the production process of release film, it needs to be coated with glue, generally, aluminum roller or ceramic roller is used as rubber printing equipment on the surface of release film, so rubber printing roller is mainly used for coating and transferring, in the prior art, rubber printing roller needs to be completely contacted with glue and pressed on the material to be processed during coating and transferring, and the surface of rubber printing roller will inevitably be abraded and peeled off during long time use, so the whole rubber printing roller needs to be replaced, and the processing cost of release film is increased. UTILITY MODEL CONTENT

[0004] In view of the defects in the prior art, the utility model provides a rubber printing roller dismantling and changing formula package structure, which solves the problems mentioned in the background.

[0005] The utility model provides the following technical scheme: a rubber printing roller dismantling and changing formula package structure, which comprises: a shaft core, a positioning mechanism is integrally arranged on the surface of the shaft core, a sleeve shell is sleeved on the positioning mechanism, an aluminum wrapping layer is wrapped on the surface of the sleeve shell, a compression pad is arranged at the joint of the aluminum wrapping layer, a ceramic layer is sprayed on the surface of the aluminum wrapping layer, a joint slot is formed in the sleeve shell, the compression pad is located in the joint slot, a connecting mechanism is connected to one end of the positioning mechanism, and the connecting mechanism is sleeved on the shaft core.

[0006] Preferably, the compression pad is filled with a joint filling agent at the joint with the aluminum wrapping layer, and the outer edge of the joint between the compression pad and the aluminum wrapping layer is polished.

[0007] Preferably, a clamping groove is formed in the inner wall of the joint slot, a guide groove is formed in the inner wall of the clamping groove, a clamping piece is clamped in the clamping groove, and the structure on the clamping piece is located in the guide groove and slides.

[0008] Preferably, the clamping piece comprises a clamping plate, the clamping plate is located in the clamping groove, a guide block is integrally arranged on the side surface of the clamping plate, the included angle between the guide block and the clamping plate is an acute angle, and the side of the clamping plate away from the guide block is clamped on the side surface of the joint of the ceramic layer.

[0009] Preferably, the positioning mechanism comprises a middle pad mechanism, three clamping grooves are uniformly arranged on the middle pad mechanism, and the shape of the positioning mechanism is matched with the shape of the inner wall of the sleeve shell.

[0010] Preferably, the outer edge of the positioning mechanism is provided in a conical surface, and the space of the inner wall of the clamping groove gradually narrows in the direction of the shaft core.

[0011] Preferably, the connecting mechanism comprises a pressing plate, a nut is integrally arranged on one side of the pressing plate, a pressing ring is overlapped on the other side of the pressing plate, a through groove is arranged in the middle part of the pressing ring, the pressing ring is overlapped on the end part of the positioning mechanism, and the nut is threadedly sleeved on the shaft core.

[0012] Preferably, a sliding hole is arranged in the end part of the positioning mechanism, a guide rod is slidably arranged in the sliding hole, and the guide rod is integrally arranged on the pressing ring.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1、The rubber printing roller dismounting type wrapping structure, through setting one layer of aluminum plate winding on the sleeve shell to make aluminum wrapping layer, the joint of the aluminum wrapping layer is cooperated and fixed on the sleeve shell with the pressing pad, and the ceramic layer is sprayed outside the aluminum wrapping layer, when wear appears after long time use, the aluminum wrapping layer can be removed and replaced, most structures on the roller core of the rubber printing roller are reserved, the whole rubber printing roller does not need to be replaced, and then the processing cost of the release film is reduced.

[0015] 2、The rubber printing roller dismounting type wrapping structure, through setting the positioning mechanism, the sleeved sleeve shell is supported and limited, along with the sleeve shell being tightly sleeved, the structure on the positioning mechanism will gradually press the clamping piece, the clamping piece will tightly press the joint of the aluminum wrapping layer together with the pressing pad, and the situation that the aluminum wrapping layer falls off and loosens does not appear, the connecting mechanism is further arranged, the sleeve shell is tightly fixed on the positioning mechanism by the connecting mechanism, and the connecting mechanism has the capability of dismounting. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure schematic view of the utility model;

[0017] Figure 2 It is a cross section structure schematic view of the utility model;

[0018] Figure 3 It is a connecting mechanism dismounting structure schematic view of the utility model;

[0019] Figure 4 It is a pressing pad dismounting structure schematic view of the utility model;

[0020] Figure 5 It is a clamping piece dismounting structure schematic view of the utility model;

[0021] Figure 6 It is a clamping piece structure schematic view of the utility model;

[0022] Figure 7 It is a positioning mechanism structure schematic view of the utility model;

[0023] Figure 8 It is a positioning mechanism side section structure schematic view of the utility model.

[0024] In the drawing: 1, shaft core; 2, cover shell; 3, attachment mechanism; 31, pressing plate; 32, nut; 33, pressing ring; 34, through slot; 35, guide rod; 4, ceramic layer; 5, positioning mechanism; 51, middle pad mechanism; 52, clamping groove; 6, aluminum wrapping layer; 7, fixed seam groove; 8, pressing pad; 9, clamping piece; 91, clamping plate; 92, guide block; 10, sliding hole; 11, clamping groove; 12, guide clamping groove. DETAILED DESCRIPTION

[0025] 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, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] Please refer to Figures 1-8 A rubber printing roller replacement type wrapping structure, comprising: a shaft core 1, the surface of the shaft core 1 is integrally provided with a positioning mechanism 5, the positioning mechanism 5 is sleeved with a cover shell 2, the surface of the cover shell 2 is wrapped with an aluminum wrapping layer 6, the joint of the aluminum wrapping layer 6 is provided with a pressing pad 8, the surface of the aluminum wrapping layer 6 is sprayed with a ceramic layer 4, the cover shell 2 is provided with a fixed seam groove 7, the pressing pad 8 is located in the fixed seam groove 7, one end of the positioning mechanism 5 is overlapped with an attachment mechanism 3, and the attachment mechanism 3 is sleeved on the shaft core 1.

[0027] Among them; the joint between the pressing pad 8 and the aluminum wrapping layer 6 is filled with a joint filling agent, and the outer edge of the joint between the pressing pad 8 and the aluminum wrapping layer 6 is polished, the joint filling agent is used to further increase the sealing performance of the joint between the pressing pad 8 and the aluminum wrapping layer 6, then polishing is performed again, the outer edge of the aluminum wrapping layer 6 becomes a standard columnar structure, and finally the ceramic layer 4 is sprayed.

[0028] Among them; the inner wall of the fixed seam groove 7 is provided with a clamping groove 11, the inner wall of the clamping groove 11 is provided with a guide clamping groove 12, a clamping piece 9 is overlapped in the clamping groove 11, the structure on the clamping piece 9 is located in the guide clamping groove 12 and slides, the clamping groove 11 is used to hide the clamping piece 9, so that the aluminum wrapping layer 6 and the pressing pad 8 can be smoothly inserted into the fixed seam groove 7 and will not be blocked.

[0029] Wherein; the clamping part 9 includes a clamping plate 91 located inside the clamping groove 11, the side of the clamping plate 91 is integrally provided with a guide block 92, the included angle between the guide block 92 and the clamping plate 91 is acute, and the side of the clamping plate 91 away from the guide block 92 is clamped on the side of the ceramic layer 4 joint. When the sleeve shell 2 is sleeved on the positioning mechanism 5, the structure of the positioning mechanism 5 and the guide block 92 passing through the guide clamping groove 12 is contacted, the pressure is applied to the clamping plate 91, and then the aluminum wrapping layer 6 and the compression pad 8 are clamped.

[0030] Wherein; the positioning mechanism 5 includes a middle pad mechanism 51, three clamping grooves 52 are uniformly arranged on the middle pad mechanism 51, the shape of the positioning mechanism 5 is matched with the shape of the inner wall of the sleeve shell 2, after the sleeve shell 2 is sleeved, it can only move according to the shape and path of the clamping groove 52, and finally it is clamped tightly to avoid the loosening of the sleeve shell 2 during the use of the offset printing roller.

[0031] Wherein; the outer edge of the positioning mechanism 5 is provided in a conical surface, the space of the inner wall of the clamping groove 52 gradually narrows in the direction of the shaft core 1, the sleeve shell 2 is sleeved from one end of the positioning mechanism 5, as the sleeve shell 2 is gradually tightened, the clamping groove 52 simultaneously applies clamping force to the clamping part 9, increasing the stability of the aluminum wrapping layer 6.

[0032] Wherein; the mounting mechanism 3 includes a pressing plate 31, one side of the pressing plate 31 is integrally provided with a nut 32, the other side of the pressing plate 31 is lapped with a compression ring 33, a through groove 34 is arranged in the middle of the compression ring 33, the compression ring 33 is lapped on the end of the positioning mechanism 5, the nut 32 is threadedly sleeved on the shaft core 1, the mounting mechanism 3 is used to apply a pushing force to the sleeve shell 2, and after the sleeve shell 2 is tightly sleeved, the sleeve shell 2 is kept in a fastened state to avoid loosening.

[0033] Wherein; the end of the positioning mechanism 5 is provided with a sliding hole 10, a guide rod 35 is slidably arranged in the sliding hole 10, the guide rod 35 is integrally arranged on the compression ring 33, the sliding ability of the guide rod 35 and the sliding hole 10 is used to guide the movement of the mounting mechanism 3, so that the mounting mechanism 3 translates to push the sleeve shell 2 to be tightly sleeved.

[0034] Working principle, when using the offset printing roller, first, the aluminum wrapping layer 6 is wound on the sleeve shell 2, and the joint of the aluminum wrapping layer 6 is filled with a joint filling agent, the compression pad 8 is pressed and inserted into the joint groove 7, then the joint is polished, after the outside of the aluminum wrapping layer 6 is smooth, the ceramic layer 4 is sprayed, the sleeve shell 2 wrapping the aluminum wrapping layer 6 is sleeved from one end of the positioning mechanism 5, as the aluminum wrapping layer 6 is tightly sleeved, the clamping part 9 is pressed by the structure on the positioning mechanism 5, the aluminum wrapping layer 6 joint inserted into the joint groove 7 and the compression pad 8 are clamped, finally the mounting mechanism 3 is threadedly sleeved on the shaft core 1 to fix the sleeve shell 2.

[0035] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A blanket changeable wrapping structure for an offset printing roller, characterized by comprising: 1) a wrapping body made of a flexible material and having a cylindrical shape, and 2) a wrapping body fixing member for fixing the wrapping body to the offset printing roller. Include: The surface of the shaft core (1) is integrally provided with a positioning mechanism (5), the positioning mechanism (5) is sleeved with a sleeve shell (2), the surface of the sleeve shell (2) is wrapped with an aluminum wrapping layer (6), the joint of the aluminum wrapping layer (6) is press-fit with a pressure pad (8), the surface of the aluminum wrapping layer (6) is sprayed with a ceramic layer (4), the sleeve shell (2) is provided with a joint slot (7), the pressure pad (8) is located in the joint slot (7), one end of the positioning mechanism (5) is overlapped with a mounting mechanism (3), and the mounting mechanism (3) is sleeved on the shaft core (1).

2. The wrap-around structure for a blanket roll change according to claim 1, wherein The joint of the pressure pad (8) and the aluminum wrapping layer (6) is filled with a joint filling agent, and the outer edge of the joint of the pressure pad (8) and the aluminum wrapping layer (6) is polished.

3. The wrap-around structure for a blanket roll change according to claim 1, wherein The inner wall of the joint slot (7) is provided with a clamping groove (11), the inner wall of the clamping groove (11) is provided with a guide groove (12), the clamping groove (11) is overlapped with a clamping piece (9), and the structure on the clamping piece (9) is located in the guide groove (12) and slides.

4. The wrap-around structure for a blanket roll change according to claim 3, wherein The clamping piece (9) includes a clamping plate (91), the clamping plate (91) is located in the clamping groove (11), the side of the clamping plate (91) is integrally provided with a guide block (92), the included angle between the guide block (92) and the clamping plate (91) is acute, and the side of the clamping plate (91) away from the guide block (92) is clamped on the side of the ceramic layer (4) joint.

5. The wrap-around structure for a blanket roll change according to claim 1, wherein The positioning mechanism (5) includes a middle pad mechanism (51), three clamping grooves (52) are uniformly arranged on the middle pad mechanism (51), and the shape of the positioning mechanism (5) is matched with the shape of the inner wall of the sleeve shell (2).

6. The wrap-around structure for a blanket roll change according to claim 5, wherein The outer edge of the positioning mechanism (5) is provided in a conical surface, and the space of the inner wall of the clamping groove (52) gradually narrows in the direction of the shaft core (1).

7. The wrap-around structure of claim 1, wherein The mounting mechanism (3) includes a pressing plate (31), one side of the pressing plate (31) is integrally provided with a nut (32), the other side of the pressing plate (31) is overlapped with a pressing ring (33), the middle part of the pressing ring (33) is provided with a through groove (34), the pressing ring (33) is overlapped with the end of the positioning mechanism (5), and the nut (32) is threadedly sleeved on the shaft core (1).

8. The wrap-around structure for a blanket roll change according to claim 7, wherein The end of the positioning mechanism (5) is provided with a sliding hole (10), a guide rod (35) is slidably arranged in the sliding hole (10), and the guide rod (35) is integrally arranged on the pressing ring (33).

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