CN213798632U

CN213798632U - Roller of offset press

Info

Publication number: CN213798632U
Application number: CN202022202894.6U
Authority: CN
Inventors: 曹孝洋; 洪永强; 汪兴杰
Original assignee: Xiangyang Heshunfa Color Printing Co ltd
Current assignee: Xiangyang Heshunfa Color Printing Co ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-07-27
Anticipated expiration: 2030-09-30

Abstract

The utility model discloses an offset press roller, which relates to the field of offset presses and comprises a roller body, wherein the left side and the right side of the roller body are fixedly connected with rotating tubes, the outer walls of the two rotating tubes are rotatably connected with a first bearing, and the outer wall of the first bearing is fixedly connected with a bearing seat; the right side of one of the bearing seats is fixedly connected with a motor, the output end of the motor is fixedly connected with a first gear, the outer wall of one of the rotating pipes is fixedly connected with a second gear, and the second gear is meshed with the first gear; the one end that roller body was kept away from to two rotating tubes all is connected with the connecting box through second bearing rotation, and one side that the rotating tube was kept away from to two connecting boxes is fixedly connected with inlet tube and outlet pipe respectively, and one side that connecting box was kept away from to inlet tube and outlet pipe all is fixed the intercommunication have the raceway. The utility model discloses can effectually cool off to roller body to improve roller body's printing quality, can protect the motor simultaneously.

Description

Roller of offset press

Technical Field

The utility model relates to an offset press field, in particular to offset press roller.

Background

An offset printing press is a kind of offset printing press, in which printing images are first printed on a blanket cylinder from a printing plate and then transferred to paper by the blanket cylinder. Offset presses can be divided into sheet-fed offset presses and web-fed offset presses according to different paper feeding modes; the printing color number completed by one-time paper feeding can be divided into single-color, double-color, four-color and multi-color printing machines; the full-paper printing machine can be divided into a small offset press, a six-opening, four-opening, two-opening and full-paper printing machine according to the maximum paper breadth to be printed, and a double-sided printing machine capable of simultaneously finishing two-sided printing by one-time paper feeding is also arranged. The sheet-fed offset press is a lithographic printing press, is used for printing high-grade commercial printed matters and packaging printed matters, and is the mainstream of modern paper printing.

When the roller is used for printing, the surface of the roller is easy to heat up after the roller is used for a long time, and the higher temperature easily causes the emulsification of the ink on the roller, so that the printing is not uniform enough, and the printing quality of a product is influenced to a certain extent.

Therefore, it is necessary to invent an offset printing machine roller to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an offset press roller to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an offset press roller comprises a roller body, wherein rotating pipes are fixedly connected to the left side and the right side of the roller body, the outer walls of the two rotating pipes are rotatably connected with first bearings, and the outer walls of the first bearings are fixedly connected with bearing seats;

the right side of one of the bearing seats is fixedly connected with a motor, the output end of the motor is fixedly connected with a first gear, the outer wall of one of the rotating tubes is fixedly connected with a second gear, and the second gear is meshed with the first gear;

one ends of the two rotating pipes, which are far away from the roller body, are rotatably connected with connecting boxes through second bearings, one sides of the two connecting boxes, which are far away from the rotating pipes, are respectively and fixedly connected with a water inlet pipe and a water outlet pipe, and one sides of the water inlet pipe and the water outlet pipe, which are far away from the connecting boxes, are respectively and fixedly communicated with a water delivery pipe;

one end of one of the water pipes, which is far away from the water outlet pipe, is fixedly communicated with a connecting pipe, one end of the connecting pipe, which is far away from the water pipe, is fixedly communicated with a heat exchanger, one side of the heat exchanger, which is far away from the connecting pipe, is fixedly communicated with a water guide pipe, the water guide pipe is fixedly communicated with one end of the other water pipe, the bottom of the water guide pipe is fixedly communicated with a water guide pipe, and the outer wall of the water guide pipe is provided with an electromagnetic valve;

and a cooling cavity communicated with the rotating pipe is formed in the roller body.

Preferably, the bottom fixedly connected with bracing piece of connecting box, the lateral wall fixed connection of one end and the bearing frame that the connecting box was kept away from to the bracing piece.

Preferably, a protection cover corresponding to the motor is fixedly connected to the right side of one of the bearing seats, and a plurality of heat dissipation holes are formed in the bottom of the protection cover.

Preferably, the outer wall of the rotating pipe is provided with a sealing gasket corresponding to the connecting box, and the specific material of the sealing gasket is rubber.

Preferably, the bottoms of the two bearing seats are respectively provided with a through hole corresponding to the connecting pipe and the water guide pipe.

The utility model discloses a technological effect and advantage:

1. through this internal cooling chamber that is provided with at the roller, open the solenoid valve, with the leading-in aqueduct of cooling water, close the solenoid valve, water in the aqueduct enters into in the water delivery pipe, the rethread raceway enters into in the water inlet pipe, and enter into the connecting box through the inlet tube, cooling water in the connecting box enters into in the rotating tube, the rethread rotating tube enters into this internal cooling intracavity of roller, cool off the roller body, the rethread outlet pipe is derived water, and enter into the heat exchanger through the connecting pipe, cool down the cooling water, so relapse many times, can effectually cool off the roller body, thereby the printing quality of roller body has been improved.

2. The motor is arranged on the side wall of the bearing seat, the motor drives the first gear to rotate, the first gear drives the second gear to rotate, the rotating pipe rotates through the second gear, the rotating pipe drives the roller body to rotate, and the roller body can be conveniently driven to rotate.

3. The motor protection device has the advantages that the protection cover is arranged on the outer wall of the motor, the motor is protected by the protection cover, the heat dissipation holes are formed in the bottom of the protection cover, the motor can be cooled when the motor works, and the service life of the motor is prolonged.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic cross-sectional view of fig. 1 according to the present invention.

Fig. 3 is an enlarged schematic view of a portion a of fig. 2 according to the present invention.

Fig. 4 is an enlarged schematic structural diagram of a portion B of fig. 2 according to the present invention.

In the figure: 1. a roller body; 2. rotating the tube; 3. a bearing seat; 4. a motor; 5. a first gear; 6. a second gear; 7. a connection box; 8. a water inlet pipe; 9. a water outlet pipe; 10. a water delivery pipe; 11. a connecting pipe; 12. a heat exchanger; 13. a water conduit; 14. a water conduit; 15. an electromagnetic valve; 16. a cooling chamber; 17. a support bar; 18. a shield.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides an offset press roller as shown in figures 1-4, which comprises a roller body 1, wherein the left side and the right side of the roller body 1 are fixedly connected with rotating tubes 2, the outer walls of the two rotating tubes 2 are rotatably connected with a first bearing, and the outer wall of the first bearing is fixedly connected with a bearing seat 3;

a motor 4 is fixedly connected to the right side of one of the bearing blocks 3, a first gear 5 is fixedly connected to the output end of the motor 4, a second gear 6 is fixedly connected to the outer wall of one of the rotating pipes 2, and the second gear 6 is meshed with the first gear 5;

one ends of the two rotating pipes 2, which are far away from the roller body 1, are rotatably connected with connecting boxes 7 through second bearings, one sides of the two connecting boxes 7, which are far away from the rotating pipes 2, are respectively and fixedly connected with a water inlet pipe 8 and a water outlet pipe 9, and one sides of the water inlet pipe 8 and the water outlet pipe 9, which are far away from the connecting boxes 7, are respectively and fixedly communicated with a water delivery pipe 10;

one end of one of the water pipes 10, which is far away from the water outlet pipe 9, is fixedly communicated with a connecting pipe 11, one end of the connecting pipe 11, which is far away from the water pipe 10, is fixedly communicated with a heat exchanger 12, one side of the heat exchanger 12, which is far away from the connecting pipe 11, is fixedly communicated with a water guide pipe 13, the water guide pipe 13 is fixedly communicated with one end of the other water pipe 10, the bottom of the water guide pipe 13 is fixedly communicated with a water guide pipe 14, and the outer wall of the water guide pipe 14 is provided with an electromagnetic valve 15;

the cooling cavity 16 communicated with the rotating pipe 2 is formed in the roller body 1, so that the roller body 1 can be conveniently cooled, and the printing quality of the roller body 1 is improved.

Simultaneously, the bottom fixedly connected with bracing piece 17 of connecting box 7, the one end that connecting box 7 was kept away from to bracing piece 17 and the lateral wall fixed connection of bearing frame 3 can conveniently improve connecting box 7's stability.

In addition, the right side fixedly connected with of one of the bearing frame 3 and the corresponding protection casing 18 of motor 4, a plurality of louvres have been seted up to the bottom of protection casing 18, use protection casing 18 to protect motor 4, through being provided with the louvre in the bottom of protection casing 18, can dispel the heat to motor 4 when motor 4 works, improved motor 4's life.

More specifically, the outer wall of rotating tube 2 is provided with the sealed pad corresponding with connecting box 7, and the concrete material of sealed pad is rubber, can conveniently improve rotating tube 2's leakproofness.

It should be further noted that through holes corresponding to the connecting pipe 11 and the water guide pipe 13 are respectively formed at the bottoms of the two bearing seats 3, and the connecting pipe 11 and the water guide pipe 13 are inserted into the through holes in the bearing seats 3, so that the stability of the connecting pipe 11 and the water guide pipe 13 can be effectively improved.

The utility model discloses the theory of operation: firstly, the electromagnetic valve 15 is opened, cooling water is guided into the water guide pipe 13, the electromagnetic valve 15 is closed, the water in the water guide pipe 13 enters the water conveying pipe 10, then enters the water inlet pipe 8 through the water conveying pipe 10 and enters the connecting box 7 through the water inlet pipe 8, the cooling water in the connecting box 7 enters the rotating pipe 2 and then enters the cooling cavity 16 in the roller body 1 through the rotating pipe 2 to cool the roller body 1, then the water is guided out through the water outlet pipe 9 and enters the heat exchanger 12 through the connecting pipe 11 to cool the cooling water, the operation is repeated for a plurality of times, the roller body 1 can be effectively cooled, so that the printing quality of the roller body 1 is improved, the first gear 5 is driven to rotate by the motor 4, the first gear 5 is driven to rotate the second gear 6, the rotating pipe 2 is rotated by the second gear 6, and the rotating pipe 2 drives the roller body 1 to rotate, can conveniently drive roller body 1 and rotate.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides an offset press roller, includes roller body (1), its characterized in that: the left side and the right side of the roller body (1) are fixedly connected with rotating pipes (2), the outer walls of the two rotating pipes (2) are rotatably connected with first bearings, and the outer walls of the first bearings are fixedly connected with bearing seats (3);

the right side of one of the bearing seats (3) is fixedly connected with a motor (4), the output end of the motor (4) is fixedly connected with a first gear (5), the outer wall of one of the rotating pipes (2) is fixedly connected with a second gear (6), and the second gear (6) is meshed with the first gear (5);

one ends, far away from the roller body (1), of the two rotating pipes (2) are rotatably connected with connecting boxes (7) through second bearings, one sides, far away from the rotating pipes (2), of the two connecting boxes (7) are fixedly connected with a water inlet pipe (8) and a water outlet pipe (9) respectively, and one sides, far away from the connecting boxes (7), of the water inlet pipe (8) and one side, far away from the connecting boxes (7), of the water outlet pipe (9) are fixedly communicated with water conveying pipes (10);

one end, far away from the water outlet pipe (9), of one of the water conveying pipes (10) is fixedly communicated with a connecting pipe (11), one end, far away from the water conveying pipe (10), of the connecting pipe (11) is fixedly communicated with a heat exchanger (12), one side, far away from the connecting pipe (11), of the heat exchanger (12) is fixedly communicated with a water guide pipe (13), the water guide pipe (13) is fixedly communicated with one end of the other water conveying pipe (10), the bottom of the water guide pipe (13) is fixedly communicated with a water guide pipe (14), and the outer wall of the water guide pipe (14) is provided with an electromagnetic valve (15);

and a cooling cavity (16) communicated with the rotating pipe (2) is formed in the roller body (1).

2. An offset press roller according to claim 1, characterized in that: the bottom fixedly connected with bracing piece (17) of connecting box (7), the lateral wall fixed connection of the one end that connecting box (7) was kept away from in bracing piece (17) and bearing frame (3).

3. An offset press roller according to claim 1, characterized in that: the right side of one of the bearing seats (3) is fixedly connected with a protective cover (18) corresponding to the motor (4), and a plurality of heat dissipation holes are formed in the bottom of the protective cover (18).

4. An offset press roller according to claim 1, characterized in that: the outer wall of the rotating pipe (2) is provided with a sealing gasket corresponding to the connecting box (7), and the specific material of the sealing gasket is rubber.

5. An offset press roller according to claim 1, characterized in that: the bottoms of the two bearing seats (3) are respectively provided with through holes corresponding to the connecting pipe (11) and the water guide pipe (13).