CN219544293U - Heating roller of printing machine - Google Patents

Abstract

The utility model discloses a heating roller of a printing machine, which relates to the technical field of printing equipment and aims to solve the problem that overhaul efficiency is reduced due to troublesome disassembly of a heating roller. The utility model is formed by dividing the whole heating roller into the roller and the two roller shafts, when the heating roller is required to be overhauled, the roller can be independently disassembled only by pushing the disassembling block to pull the clamping block out of the clamping groove, and the disassembly and overhauling efficiency of the heating roller is improved.

Description

Heating roller of printing machine

Technical Field

The utility model relates to the field of printing equipment, in particular to a heating roller of a printing machine.

Background

Printing is a technique of transferring ink onto the surface of paper, fabric, leather, etc. by plate making, inking, pressurizing, etc. of original documents such as letters, pictures, photographs, etc. to copy the contents of original documents in batches.

In the prior art, most of the heating rollers are of an integrated structure, and when the heating rollers are used, the heating rollers are generally fixed on a printing machine through shaft seats, and because polytetrafluoroethylene coating on the surfaces of the heating rollers has a phenomenon of slightly softening at high temperature, the heating rollers need to be frequently detached from the shaft seats for inspection and maintenance.

In the process of realizing the utility model, the inventor finds that at least the following problems exist in the technology, the whole heating roller is difficult to directly detach from the shaft seat, and the maintenance efficiency is reduced, so that the heating roller of the printing machine is now proposed.

Disclosure of Invention

The utility model provides a heating roller of a printing machine, which aims to solve the problem that the maintenance efficiency is reduced due to the fact that the operation of detaching a heating roller is troublesome.

The utility model provides a heating roller of a printing machine, which adopts the following technical scheme:

the utility model provides a printing machine heating roller, includes roller and installs the roller at the roller both ends, the spread groove has all been seted up at the both ends of roller, the one end fixedly connected with connecting block of roller, the joint groove has been seted up to the inside wall of spread groove, all imbeds around the connecting block and be connected with the spring, the one end fixedly connected with joint piece of spring, one side fixedly connected with of joint piece dismantles the piece;

the inside of two the roller shafts is rotationally connected with an air duct, connecting holes are formed in the two ends of the roller, and one end of the air duct is inserted into the connecting holes.

Through adopting above-mentioned technical scheme, form through dividing into roller and two roller equipment with whole heating roller, when the equipment heating roller, insert the spread groove with the connecting block, make the spring promote the joint piece insert the joint inslot, fix the connecting block to accomplish the equipment of heating roller, when the heating roller is overhauld to needs, only need promote to dismantle the piece and pull out the joint piece from the joint inslot, can dismantle the roller alone, improve the dismantlement maintenance efficiency of heating roller.

Optionally, the longitudinal sections of the connecting block and the connecting groove are quadrilateral.

Through adopting above-mentioned technical scheme, can make between roller and the roller to carry out the circumference spacing.

Optionally, the joint piece is provided with the guide angle far away from one side of roller.

Through adopting above-mentioned technical scheme, be convenient for the joint piece insert the joint inslot through the guide angle.

Optionally, the roller is kept away from the one end fixed mounting of roller has the bearing, the air duct passes through the bearing and rotates with the roller and be connected.

Through adopting above-mentioned technical scheme, can make the rotation of roller not cause the interference to the air duct through the bearing.

Optionally, the inner wall that the roller is close to roller one end fixedly connected with sealing ring, the inner wall of sealing ring and air duct contact.

By adopting the technical scheme, the sealing performance between the air duct and the inner wall of the roll shaft can be improved through the sealing ring.

Optionally, a sealing pad is fixedly connected to the inner wall of the connecting hole, and the sealing pad is in contact with the air duct.

By adopting the technical scheme, the sealing property between the air duct and the inner wall of the connecting hole can be improved through the sealing gasket.

Optionally, a sealing ring is embedded between the connecting block and the connecting groove.

By adopting the technical scheme, the sealing performance between the connecting block and the roller can be improved through the sealing ring.

Optionally, a plurality of diverting blocks are equidistantly arranged in the roller.

Through adopting above-mentioned technical scheme, can disperse the hot steam of input roller through the reposition of redundant personnel piece, make the hot steam distribute more evenly in the roller.

In summary, the utility model has the following beneficial effects:

1. according to the utility model, the whole heating roller is divided into the roller and the two roller shafts, when the heating roller is required to be overhauled, the roller can be independently disassembled only by pushing the disassembling block to pull the clamping block out of the clamping groove, so that the disassembly and overhauling efficiency of the heating roller is improved;

2. according to the utility model, the hot steam input into the roller can be dispersed through the split blocks, so that the hot steam is distributed more uniformly in the roller.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic cross-sectional structure of the present utility model.

Fig. 3 is an enlarged view of the structure of fig. 2 a according to the present utility model.

Reference numerals illustrate:

1. a roller; 2. a roll shaft; 3. a connecting groove; 4. a connecting block; 5. a clamping groove; 6. a spring; 7. a clamping block; 8. disassembling the block; 9. an air duct; 10. a connection hole; 11. a bearing; 12. a seal ring; 13. a sealing gasket; 14. a seal ring; 15. a shunt block.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-3.

Referring to fig. 1-3, a heating roller of a printing machine comprises a roller 1 and roller shafts 2 arranged at two ends of the roller 1, wherein connecting grooves 3 are formed in two ends of the roller 1, one end of each roller shaft 2 is fixedly connected with a connecting block 4, longitudinal sections of the connecting block 4 and the connecting grooves 3 are quadrilateral, clamping grooves 5 are formed in inner side walls of the connecting grooves 3, springs 6 are embedded and connected around the connecting blocks 4, clamping blocks 7 are fixedly connected to one ends of the springs 6, guide angles are arranged on one sides, far away from the roller shafts 2, of the clamping blocks 7, and dismounting blocks 8 are fixedly connected to one sides of the clamping blocks 7. The whole heating roller is assembled by dividing the heating roller into the roller 1 and the two roller shafts 2, when the heating roller is assembled, the connecting block 4 is inserted into the connecting groove 3, the spring 6 pushes the clamping block 7 to be inserted into the clamping groove 5, and the connecting block 4 is fixed, so that the assembly of the heating roller is completed, when the heating roller needs to be overhauled, the roller 1 can be independently disassembled only by pushing the disassembling block 8 to pull out the clamping block 7 from the clamping groove 5, and the disassembly overhauling efficiency of the heating roller is improved.

Referring to fig. 1 and 2, the inside of two roller shafts 2 is all rotated and is connected with air duct 9, two air duct 9 are used for respectively to the roller 1 in input and export hot steam, roller shaft 2 is kept away from roller 1's one end fixed mounting and is had bearing 11, air duct 9 passes through bearing 11 and is connected with roller shaft 2 rotation, can make the rotation of roller shaft 2 not cause the interference to air duct 9 through bearing 11, roller shaft 2 is close to roller 1 one end's inner wall fixedly connected with sealing ring 12, sealing ring 12's inner wall and air duct 9 contact, can improve the leakproofness between air duct 9 and roller shaft 2 inner wall through sealing ring 12.

Referring to fig. 2, connecting holes 10 are formed at both ends of the roller 1, one end of the air duct 9 is inserted into the connecting holes 10, a sealing gasket 13 is fixedly connected to the inner wall of the connecting holes 10, the sealing gasket 13 is in contact with the air duct 9, and the sealing performance between the air duct 9 and the inner wall of the connecting holes 10 can be improved through the sealing gasket 13. A sealing ring 14 is embedded between the connecting block 4 and the connecting groove 3, and the sealing performance between the connecting block 4 and the roller 1 can be improved through the sealing ring 14.

Referring to fig. 2, a plurality of diverting blocks 15 are equidistantly installed inside the drum 1, and the hot steam inputted into the drum 1 can be dispersed through the diverting blocks 15, so that the hot steam is more uniformly distributed in the drum 1.

The implementation principle of the utility model is as follows: the whole heating roller is assembled by dividing the heating roller into the roller 1 and the two roller shafts 2, when the heating roller is assembled, the connecting block 4 is inserted into the connecting groove 3, the spring 6 pushes the clamping block 7 to be inserted into the clamping groove 5, and the connecting block 4 is fixed, so that the assembly of the heating roller is completed, when the heating roller needs to be overhauled, the roller 1 can be independently disassembled only by pushing the disassembling block 8 to pull out the clamping block 7 from the clamping groove 5, and the disassembly overhauling efficiency of the heating roller is improved.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (8)

1. The utility model provides a printing machine heating roller, includes roller (1) and installs roller (2) at roller (1) both ends, its characterized in that: connecting grooves (3) are formed in two ends of the roller (1), connecting blocks (4) are fixedly connected to one end of the roller shaft (2), clamping grooves (5) are formed in the inner side walls of the connecting grooves (3), springs (6) are embedded and connected to the periphery of the connecting blocks (4), clamping blocks (7) are fixedly connected to one ends of the springs (6), and disassembling blocks (8) are fixedly connected to one sides of the clamping blocks (7);

the inside of two roller (2) all rotates and is connected with air duct (9), connecting hole (10) have all been seted up at the both ends of roller (1), in one end grafting of air duct (9) is to connecting hole (10).

2. A printer heating roller according to claim 1, wherein: the longitudinal sections of the connecting blocks (4) and the connecting grooves (3) are quadrilateral.

3. A printer heating roller according to claim 1, wherein: one side of the clamping block (7) far away from the roll shaft (2) is provided with a guide angle.

4. A printer heating roller according to claim 1, wherein: one end of the roll shaft (2) far away from the roller (1) is fixedly provided with a bearing (11), and the air duct (9) is rotationally connected with the roll shaft (2) through the bearing (11).

5. A printer heating roller according to claim 1, wherein: the inner wall of the roller shaft (2) close to one end of the roller (1) is fixedly connected with a sealing ring (12), and the inner wall of the sealing ring (12) is in contact with the air duct (9).

6. A printer heating roller according to claim 1, wherein: the inner wall of the connecting hole (10) is fixedly connected with a sealing gasket (13), and the sealing gasket (13) is contacted with the air duct (9).

7. A printer heating roller according to claim 1, wherein: a sealing ring (14) is embedded between the connecting block (4) and the connecting groove (3).

8. A printer heating roller according to claim 1, wherein: a plurality of flow dividing blocks (15) are equidistantly arranged in the roller (1).