CN219727560U

CN219727560U - Printing roller for printing machine

Info

Publication number: CN219727560U
Application number: CN202320887282.6U
Authority: CN
Inventors: 顾耀刚; 朱建新; 倪秋英
Original assignee: Shanghai Fuxiang Paper Industry Co ltd
Current assignee: Shanghai Fuxiang Paper Industry Co ltd
Priority date: 2023-04-20
Filing date: 2023-04-20
Publication date: 2023-09-22
Anticipated expiration: 2033-04-20

Abstract

The utility model discloses a printing roller for a printer, which comprises a printing roller main body and a roller shaft, wherein a fixing component which enables the roller shaft to be detachably arranged on the inner wall of the printing roller main body is arranged on the outer wall of the roller shaft.

Description

Printing roller for printing machine

Technical Field

The utility model relates to the technical field of roller shaft printers, in particular to a printing roller for a printer.

Background

A machine for printing text and images. Modern printers typically consist of mechanisms such as plate loading, inking, stamping, paper feeding (including folding). The working principle is that the characters and images to be printed are made into printing plate, then the printing plate is mounted on a printer, then the ink is applied on the place where the characters and images are on the printing plate by means of manual or printer, then directly or indirectly transferred on paper or other printing stock (such as textile, metal plate, plastic, leather, wood plate, glass and ceramic), so that the printed matter identical to the printing plate can be reproduced.

The printing roller is one of accessories of the rubber printer, the printing roller has long service time, partial printing colloid solidification phenomenon appears on the surface, some residual impurities are accumulated on the rubber surface of the rubber roller, some residues can be cleaned by water or solvent, and a small amount of impurities still remain at the bottoms of micropores on the rubber surface; these residues accumulate in the holes for a long time, and under the action of printing pressure and heat, the surface of the rubber roller finally loses microporosity to generate glazing; in the prior art, in order to ensure the stability of the installation of the printing roller, the roller shaft and the printing roller are fixedly installed together, so that when the printing roller needs to be replaced, the whole printing roller can be replaced, and the use cost is increased; the printing roller is more troublesome to detach and replace, and the replacement efficiency is reduced.

Disclosure of Invention

The present utility model is directed to a printing cylinder for a printing press, which solves the problems set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a printing roller for printing machine, includes printing roller main part and roller, the roller outer wall is provided with makes the fixed subassembly of roller demountable installation at printing roller main part inner wall.

In a preferred embodiment of the present utility model, the fixing component is: the two limiting blocks are fixedly arranged on the outer wall of the first mounting sleeve, the two limiting blocks are two groups, and each group of limiting blocks is four in number.

In a preferred embodiment of the present utility model, the first mounting sleeve is a cylinder, the inner wall of the first mounting sleeve is provided with a second through hole, one of the first mounting sleeves is fixedly mounted on the right side of the outer wall of the roll shaft, and the other first mounting sleeve is slidably mounted on the outer wall of the roll shaft.

In a preferred embodiment of the utility model, the left side and the right side of the outer wall of the roll shaft are provided with screw structures, the outer wall of the roll shaft is provided with a fixed sleeve in a screw manner, and the inner wall of the fixed sleeve is provided with a first screw hole.

In a preferred embodiment of the utility model, the inner walls of the limiting blocks fixedly arranged on the upper side and the lower side of the first installation sleeve on the left side are respectively provided with a first chute, a second chute, a third chute and a fourth chute in sequence from right to left, and the inner wall of the first chute is provided with a round rod in a sliding manner.

In a preferred embodiment of the utility model, a connecting rod is fixedly arranged at the left end of the round rod, a sliding block is fixedly arranged at the left end of the connecting rod, and a mounting block is fixedly arranged at the left end of the sliding block.

In a preferred embodiment of the present utility model, the fixing component is: stop collar and second installation cover, second installation cover slidable mounting is at the roller outer wall, threaded portion has been seted up to roller outer wall left and right sides, stop collar thread mounting is at the roller outer wall.

In a preferred embodiment of the utility model, two second installation sleeves are provided, clamping blocks are fixedly arranged on opposite sides of the two second installation sleeves, two limit sleeves are provided, and protruding blocks are fixedly arranged on opposite sides of the two limit sleeves.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

The beneficial effects are that: the fixing assembly is arranged, all parts in the fixing assembly are fixedly arranged together through threaded installation and clamping and installation, the clamping and installation are matched with threaded installation to firmly install the printing roller on the outer wall of the roller, and meanwhile, when the printing roller is dismounted, only parts limiting the printing roller are required to be unscrewed and removed in a rotating way, so that the printing roller can be dismounted, the dismounting process is simple, the replacement efficiency of the printing roller is improved, and the use cost is reduced.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

fig. 1 is a schematic structural view of a printing roll for a printer.

Fig. 2 is a schematic structural view of a fixing assembly in a printing roller for a printer.

Fig. 3 is a schematic structural view of a first mounting sleeve outer wall limiting block mounting in a printing roller for a printing machine.

Fig. 4 is a schematic view of the inside of a stopper in a printing roller for a printer.

Fig. 5 is a schematic view of a structure of a round bar installation in a printing cylinder for a printer.

Fig. 6 is a schematic view showing the structure of the inside of the printing roll body in the printing roll for a printer.

Fig. 7 is a schematic view showing a structure of a roll shaft installation in a printing roll for a printer.

Fig. 8 is a schematic structural view of a fixing assembly in a printing roll for a printer.

Fig. 9 is a schematic side view of a printing roll body in a printing roll for a printer.

In the figure: a printing roller body 100; a roll glue 110; a first through hole 101; a card slot 102; a fourth through hole 103; a roller shaft 200; a second through hole 202; a threaded structure 201; a fixing sleeve 300; a threaded hole 301; a first mounting sleeve 310; a second through hole 3101; a stopper 320; first runner 3202; a second chute 3201; third runner 3203; fourth runner 3204; a round bar 330; a connecting rod 331; a slider 340; a mounting block 341; a stop collar 330; a second threaded bore 3301; a bump 331; a second mounting sleeve 340; a third through hole 3401; a recess 3402; and a latch 341.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

Embodiment one: referring to fig. 1 to 7, the printing roller comprises a printing roller body 100 and a roller shaft 200, wherein a fixing assembly for detachably installing the roller shaft 200 on the inner wall of the printing roller body 100 is arranged on the outer wall of the roller shaft 200; the outer wall of the printing roller main body 100 is fixedly provided with a roller adhesive 110; the inner wall of the printing roller body 100 is provided with a first through hole 101, the inner wall of the printing roller body 100 is positioned in the first through hole 101 to slidingly mount a roller shaft 200,

referring to fig. 2 and 6, the first through hole 101 is a special-shaped through hole, and the left and right ends of the first through hole 101 are attached to the outer walls of two first mounting sleeves provided with limiting blocks 320; the middle part of the first through hole 101 is attached to the outer wall of the roll shaft 200, and the roll shaft 200 can slide in the first through hole 101;

referring to fig. 2, the fixing assembly is: the first mounting sleeves 310 are two in number, limiting blocks 320 are fixedly mounted on the outer walls of the two first mounting sleeves 310, two groups of limiting blocks 320 are arranged, and the number of each group of limiting blocks 320 is four; the first mounting sleeve 310 is a cylinder, a second through hole 3101 is formed in the inner wall of the first mounting sleeve 310, and the first mounting sleeve 310 is slidably mounted on the outer wall of the roll shaft 200 through the second through hole 3101; one of the first mounting sleeves 310 is fixedly mounted on the right side of the outer wall of the roll shaft 200, and the other first mounting sleeve 310 is slidably mounted on the outer wall of the roll shaft 200; the first installation sleeve 310 on the right side is in non-detachable installation with the roll shaft 200, and the first installation sleeve 310 on the left side is in detachable connection with the roll shaft 200; screw thread structures 201 are arranged on the left side and the right side of the outer wall of the roll shaft 200, a fixing sleeve 300 is arranged on the outer wall of the roll shaft 200 in a screw thread mode, and a first screw hole 301 is formed in the inner wall of the fixing sleeve 300; the fixing sleeve 300 is installed on the outer wall of the roll shaft 200 through threads by the thread structure 201; the left end of the roll shaft 200 can pass through the first through hole 101 to slide towards the inner wall of the printing roller main body 100 until the first mounting sleeve 310 fixedly mounted on the right side of the outer wall of the roll shaft 200 completely enters the inner wall of the first through hole 101, and the other first mounting sleeve 310 is slidably mounted on the outer wall of the roll shaft 200;

referring to fig. 3-5, the inner walls of the limiting blocks 320 fixedly mounted on the upper and lower sides of the first mounting sleeve 310 on the left side are respectively provided with a first sliding groove 3202, a second sliding groove 3201, a third sliding groove 3203 and a fourth sliding groove 3204 in sequence from right to left, and the inner wall of the first sliding groove 3202 is slidably provided with a round rod 330; a connecting rod 331 is fixedly arranged at the left end of the round rod 330, a sliding block 340 is fixedly arranged at the left end of the connecting rod 331, and a mounting block 341 is fixedly arranged at the left end of the sliding block 340; the round bar 330 is slidably mounted on the inner wall of the first sliding groove 3202, the connecting rod 331 is slidably mounted on the inner wall of the second sliding groove 3201, the sliding block 340 is slidably mounted on the inner wall of the third sliding groove 3203, and the mounting block 341 is slidably mounted on the inner wall of the fourth sliding groove 3204;

the working principle of the utility model is as follows: the left end of the roll shaft 200 passes through the first through hole 101 and slides towards the inner wall of the printing roller main body 100 until a first mounting sleeve 310 fixedly mounted on the right side of the outer wall of the roll shaft 200 completely enters the inner wall of the first through hole 101, the other first mounting sleeve 310 is slidably mounted on the outer wall of the roll shaft 200, the first mounting sleeve 310 enters the inner wall of the first through hole 101, then two mounting blocks 341 slide towards the opposite side, so that two round rods 330 do approaching movement, the two round rods 330 enter the inner part of the second through hole 202 to limit the left first mounting sleeve 310 on the inner wall of the printing roller main body 100, then the two fixing sleeves 300 are respectively screwed on the outer wall of the roll shaft 200 from the left end and the right end, the fixing sleeves 300 are continuously screwed, the printing roller main body 100 is firmly clamped by the two fixing sleeves 300, the printing roller main body 100 is fixedly mounted on the outer wall of the roll shaft 200, during disassembly, the two fixing sleeves 300 are rotationally unscrewed, the two mounting blocks 341 are slid again, the round rods 330 are retracted, the left first mounting sleeve 310 is slid, and the roll shaft 200 can be slidingly taken out, and the printing roller main body 100 can be disassembled;

in a second embodiment, please refer to fig. 8-9;

the fixed assembly is: the device comprises a limiting sleeve 330 and a second mounting sleeve 340, wherein the second mounting sleeve 340 is slidably mounted on the outer wall of the roll shaft 200, threaded parts are arranged on the left side and the right side of the outer wall of the roll shaft 200, and the limiting sleeve 330 is in threaded mounting on the outer wall of the roll shaft 200; the number of the second installation sleeves 340 is two, clamping blocks 341 are fixedly installed on one side, opposite to the second installation sleeves 340, of the limiting sleeves 330, and protruding blocks 331 are fixedly installed on one side, opposite to the limiting sleeves 330, of the limiting sleeves 330; the inner wall of the printing roller main body 100 is provided with a fourth through hole 103, both the left end and the right end of the printing roller main body 100 are provided with clamping grooves 102, the cross section of the fourth through hole 103 of the inner wall of the printing roller main body 100 is circular, and the roller shaft 200 can slide on the inner wall of the fourth through hole 103; the inner wall of the limit sleeve 330 is provided with a second threaded hole 3301, and the limit sleeve 330 is installed on the outer wall of the roll shaft 200 through threads of the second threaded hole 3301; the inner wall of the second installation sleeve 340 is provided with a third through hole 3401, the second installation sleeve 340 is slidably installed on the outer wall of the roll shaft 200 through the third through hole 3401, the number of clamping grooves 102 on the left side and the right side is four, the number of clamping blocks 341 is eight, the positions of the clamping blocks 341 on the second installation sleeve 340 and the clamping grooves 102 are in one-to-one correspondence, the clamping blocks 341 are clamped and installed on the inner wall of the clamping grooves 102, and the clamping blocks 341 and the clamping grooves 102 can be separated only by force when being disassembled, so that the second installation sleeve 340 is taken down; a groove 3402 is formed in one side, away from the two second mounting sleeves 340, of each second mounting sleeve, the outer wall of each lug 331 is attached to the inner wall of each groove 3402, and when the limiting sleeve 330 is rotated, the lug 331 can rotate to enter the groove 3402;

the working principle of the utility model is as follows: the roller shaft 200 is slidably mounted on the inner wall of the printing roller main body 100, two second mounting sleeves 340 are slidably mounted on the outer wall of the roller shaft 200 from the left side and the right side respectively, clamping blocks 341 are aligned to clamping grooves 102, two limiting sleeves 330 are mounted on the outer wall of the roller shaft 200 in a threaded mode, the limiting sleeves 330 are continuously screwed down, protruding blocks 331 mounted on the limiting sleeves 330 enter the grooves 3402, along with the fact that the limiting sleeves 330 on the two sides are continuously close to the printing roller main body 100, the two limiting sleeves 330 continuously extrude the second mounting sleeves 340, the protruding blocks 331 completely enter the grooves 3402, the printing roller main body 100 is fixedly mounted on the outer wall of the roller shaft 200, when the printing roller main body 100 is dismounted, only the limiting sleeves 330 are required to be unscrewed, then the second mounting sleeves 340 are dismounted with force greater than clamping forces between the clamping blocks 341 and the clamping grooves 102, and the printing roller main body 100 can be dismounted.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. The printing roller for the printer comprises a printing roller main body (100) and a roller shaft (200), and is characterized in that a fixing assembly enabling the roller shaft (200) to be detachably installed on the inner wall of the printing roller main body (100) is arranged on the outer wall of the roller shaft (200).

2. A printing cylinder for a printing press according to claim 1, wherein the fixing assembly is: the two-piece type automobile seat is characterized by comprising two first installation sleeves (310), wherein limiting blocks (320) are fixedly installed on the outer walls of the two first installation sleeves (310), two groups of limiting blocks (320) are arranged, and each group of limiting blocks (320) is four in number.

3. The printing roller for a printing press according to claim 2, wherein the first mounting sleeve (310) is a cylinder, the inner wall of the first mounting sleeve (310) is provided with a second through hole (3101), one of the first mounting sleeves (310) is fixedly mounted on the right side of the outer wall of the roller shaft (200), and the other first mounting sleeve (310) is slidably mounted on the outer wall of the roller shaft (200).

4. A printing cylinder for a printing machine according to claim 3, wherein the left and right sides of the outer wall of the roll shaft (200) are provided with screw structures (201), the outer wall of the roll shaft (200) is provided with a fixing sleeve (300) in a screw manner, and the inner wall of the fixing sleeve (300) is provided with a first screw hole (301).

5. The printing roller for a printing press according to claim 4, wherein the inner walls of the limiting blocks (320) fixedly mounted on the upper side and the lower side of the first mounting sleeve (310) on the left side are respectively provided with a first sliding groove (3202), a second sliding groove (3201), a third sliding groove (3203) and a fourth sliding groove (3204) in sequence from right to left, and the inner walls of the first sliding grooves (3202) are slidably provided with round rods (330).

6. The printing roller for a printing press according to claim 5, wherein a connecting rod (331) is fixedly arranged at the left end of the round rod (330), a sliding block (340) is fixedly arranged at the left end of the connecting rod (331), and a mounting block (341) is fixedly arranged at the left end of the sliding block (340).

7. A printing cylinder for a printing press according to claim 1, wherein the fixing assembly is: stop collar (330) and second installation cover (340), second installation cover (340) slidable mounting is at roller (200) outer wall, threaded portion has been seted up to roller (200) outer wall left and right sides, stop collar (330) screw thread installation is at roller (200) outer wall.

8. The printing roller for a printing press according to claim 7, wherein the number of the second mounting sleeves (340) is two, clamping blocks (341) are fixedly mounted on opposite sides of the two second mounting sleeves (340), the number of the limiting sleeves (330) is two, and protruding blocks (331) are fixedly mounted on opposite sides of the two limiting sleeves (330).