CN218660938U

CN218660938U - Cooling roller device for gravure press

Info

Publication number: CN218660938U
Application number: CN202222638560.2U
Authority: CN
Inventors: 魏克亮; 李征; 韦晓武; 李永琦; 王海龙
Original assignee: Shaanxi Beiren Printing Machinery Co Ltd
Current assignee: Shaanxi Beiren Printing Machinery Co Ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-03-21
Anticipated expiration: 2032-09-30

Abstract

The utility model discloses a cooling roller device for gravure press, including frame and the water-cooling roller of setting in the frame, the water-cooling roller is by the back shaft A that connects gradually, the roll body, back shaft B hot charge forms, back shaft A's through-hole and the cavity intercommunication of roll body, back shaft A one end is connected with the roll body, the other end is provided with the casing for the drainage, be provided with drainage chamber in the casing for the drainage, drainage chamber and back shaft A's through-hole intercommunication, the casing for the drainage is provided with the outlet, drainage mouth department is provided with the water collector, be provided with the inlet tube in the back shaft A, the casing for the drainage is stretched out behind the cavity of casing for the drainage to inlet tube one end, the other end stretches into in the cavity of roll body, the clearance has between inlet tube outer wall and the back shaft A through-hole inner wall, stretch out the inlet tube one end of casing for the drainage, the water collector has cooling water circulating system jointly. The utility model discloses a good in design's cooling water route has solved the equipment trouble that causes because of leaking rust etc. in the chill roll use.

Description

Cooling roller device for gravure press

Technical Field

The utility model belongs to the technical field of printing machine, a chill roll device for gravure press is related to.

Background

At present, cooling roller devices equipped in most intaglio printing machines have the problems of large starting torque, inflexible rotation, rustiness, water leakage and the like to different degrees due to the limitation of design and manufacturing levels, so that the problems of high unqualified printed products, influence on normal production due to equipment faults and the like are caused, and the problems are also a difficult problem which troubles manufacturers of printing machines.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a gravure press is with chill roll device through the cooling water route that designs well, has solved the equipment trouble that causes because of leaking rust etc. in the chill roll use.

The utility model provides a technical scheme who adopts is, a cooling roller device for gravure press, including frame and the water-cooling roller of setting in the frame, the water-cooling roller is by the back shaft A that connects gradually, the roll body, back shaft B hot packing forms, back shaft A is provided with the through-hole that link up along its axis, the roll body middle part is provided with the cavity, back shaft A's through-hole and the cavity intercommunication of roll body, back shaft A one end is connected with the roll body, the other end is provided with the casing for the drainage, be provided with the drainage chamber in the casing for the drainage, drainage chamber and back shaft A's through-hole intercommunication, the casing for the drainage is provided with the outlet, drain department is provided with the water collector, be provided with the inlet tube in the back shaft A, the casing for the drainage is stretched out behind the cavity of casing for the drainage to inlet tube one end, the other end stretches into in the cavity of roll body, the clearance has between inlet tube outer wall and the back shaft A through-hole inner wall, the inlet tube one end of the casing for the drainage stretches out, the water collector has external cooling water circulation system jointly.

The utility model is also characterized in that,

the rack is provided with a shaft seat A and a shaft seat B, the end of the supporting shaft A close to the outer end is provided with a bearing A, the bearing A is arranged in an inner hole of the shaft seat A, the end of the outer end of the supporting shaft B is provided with a bearing B, and the bearing B is arranged in an inner hole of the shaft seat B.

An oil cup is arranged on the shaft seat A, a cover plate is fixed on the end face of one end, close to the roller body, of the shaft seat A, the end face of one end, far away from the roller body, of the shaft seat A is connected with a drainage shell through a bolt, a connecting disc is arranged between the shaft seat A and the drainage shell, and the water inlet pipe penetrates through a center hole formed in the center of the connecting disc.

The end face of the shaft seat A, which is contacted with the cover plate, is provided with an end face seal ring.

The end head of the outer end of the support shaft A is provided with a sealing sleeve, and the sealing sleeve is also positioned in the inner hole of the shaft seat A.

And a radial sealing ring is arranged between the support shaft A and the sealing sleeve.

The water inlet pipe and the shell for water drainage are fixed through the straight-through clamping sleeve joint.

The end of the water inlet pipe extending out of the shell for drainage is provided with a right-angle clamping sleeve joint which is externally connected with a cooling water circulation system.

The water receiving tray is fixedly connected to a water discharge port at the bottom of the drainage shell through a screw, a water discharge pipe is arranged in the water receiving tray, one end of the water discharge pipe is connected with a water discharge port of the drainage shell, the other end of the water discharge pipe is located at a water outlet at the bottom of the water receiving tray, and the water outlet of the water receiving tray is connected with a cooling water circulation system.

An air inlet valve is arranged on the drainage shell, the drainage cavity is communicated with air through the air inlet valve, a sealing glue is coated on the contact surface of the drainage shell and the shaft seat A, and a sealing glue is also coated on the contact surface of the drainage shell and the water receiving tray.

The utility model has the advantages that:

the cooling roller device for the gravure press has simple structure and convenient use; the cooling water circulation waterway has reasonable design, good sealing performance and excellent antirust property, the roller body rotates flexibly, and the possibility of scratching the printed product caused by inflexible rotation of the cooling roller can be greatly reduced; the cooling roller device solves the equipment faults caused by water leakage, rusting and the like in the use process of the existing cooling roller, and completely meets various use requirements of the cooling roller device during the printing operation of the gravure printing machine; the qualified rate of the printed products is improved, the maintenance of the cooling roller is reduced or even avoided, and the stability and the use efficiency of the printing machine are improved.

Drawings

FIG. 1 is a schematic structural view of a cooling roller device for a gravure press according to the present invention;

fig. 2 is a front sectional view of a cooling roller device for a gravure press according to the present invention;

FIG. 3 is a partially enlarged view of a shaft seat A of a cooling roller device for a gravure press according to the present invention;

fig. 4 is a front sectional view of a shaft seat a of the cooling roller device for a gravure press of the present invention.

In the drawing, 1, a frame, 2, a water-cooling roller, 2-1, a support shaft A,2-2, a roller body, 2-3, a support shaft B,3, a shaft seat B,4, a bearing B,5, a water inlet pipe, 6, a right-angle clamping sleeve joint, 7, a cover plate, 8, an oil cup, 9, a shaft seat A,10, an air inlet valve, 11, a drainage shell, 12, a straight-through clamping sleeve joint, 13, a connecting disc, 14, a water receiving disc, 15, a sealing sleeve, 16, a radial sealing ring, 17, an end surface sealing ring and 18, a bearing A are arranged.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

The utility model relates to a chill roll device for gravure press, as shown in fig. 1-2, including frame 1 and the water-cooling roller 2 of setting in frame 1, water-cooling roller 2 is formed by the back shaft A2-1 that connects gradually, the roll body 2-2, back shaft B2-3 hot charge, the processing of roll body 2-2 excircle has eight characters exhibition flat groove, be provided with axle bed A9 and axle bed B3 in the frame 1, back shaft A2-1 is close to the outer end and is provided with bearing A18, bearing A18 sets up in axle bed A9's hole, back shaft B2-3's outer end is provided with bearing B4, bearing B4 sets up in axle bed B3's hole.

The supporting shaft A2-1 is provided with a through hole along the axis thereof, the middle part of the roller body 2-2 is provided with a cavity, the through hole of the supporting shaft A2-1 is communicated with the cavity of the roller body 2-2, one end of the supporting shaft A2-1 is connected with the roller body 2-2, the other end is provided with a casing 11 for draining water, as shown in figure 3, a drainage cavity is arranged in the casing 11 for draining water, the drainage cavity is communicated with the through hole of the supporting shaft A2-1, the bottom of the casing 11 for draining water is provided with a water outlet, the water outlet is fixedly connected with a water receiving disc 14 through screws, a drainage pipe is arranged in the water receiving disc 14, one end of the drainage pipe is connected with the water outlet of the casing 11 for draining water, the other end is positioned at the water outlet at the bottom of the water receiving disc 14, and the water outlet of the water receiving disc 14 is connected with a cooling water circulation system.

The supporting shaft A2-1 is internally provided with a water inlet pipe 5, one end of the water inlet pipe 5 extends out of the drainage shell 11 after passing through the cavity of the drainage shell 11, the other end of the water inlet pipe 5 extends into the cavity of the roller body 2-2, the water inlet pipe 5 and the drainage shell 11 are fixed through a straight-through clamping sleeve joint 12, the end of the water inlet pipe 5 extending out of the drainage shell 11 is provided with a right-angle clamping sleeve joint 6, the right-angle clamping sleeve joint 6 is externally connected with a cooling water circulation system, a gap is reserved between the outer wall of the water inlet pipe 5 and the inner wall of a through hole of the supporting shaft A2-1, and one end of the water inlet pipe 5 extending out of the drainage shell 11 and a water receiving disc 14 are jointly externally connected with a cooling water circulation system.

The end of the outer end of the supporting shaft A2-1 is provided with a sealing sleeve 15, the outer circle of the sealing sleeve 15 is processed with a water-proof ring, as shown in figure 4, a labyrinth groove is arranged at the position of an inner hole of the shaft seat A9 corresponding to the sealing sleeve 15 and is communicated with a lower water hole arranged on the shaft seat A9, a radial sealing ring 16 is arranged between the supporting shaft A2-1 and the sealing sleeve 15, the sealing sleeve 15 is also arranged in the inner hole of the shaft seat A9, an oil cup 8 is arranged on the shaft seat A9, a cover plate 7 is fixed on the end surface of the shaft seat A9 close to one end of the roller body 2-2, an end surface sealing ring 17 is arranged on the end surface of the shaft seat A9 contacting with the cover plate 7, the end surface of the shaft seat A9 far away from the roller body 2-2 is connected with a drainage shell 11 through a bolt, a connecting plate 13 is arranged between the shaft seat A9 and the drainage shell 11, and the water inlet pipe 5 passes through a central hole arranged in the connecting plate 13.

An air inlet valve 10 is arranged on the drainage shell 11, the drainage cavity is communicated with air through the air inlet valve 10, the contact surface of the drainage shell 11 and the shaft seat A9 is coated with sealant, and the contact surface of the drainage shell 11 and the water pan 14 is also coated with sealant.

The utility model relates to a gravure press is with chill roll device's working process specifically as follows:

when the equipment works, the excircle of the roller body 2-2 is coated with a printing material film, and the water-cooling roller 2 passively rotates under the action of the tension of the printing material film; cooling water pressurized and cooled by the cooling water circulating system enters the inner cavity of the roller body 2-2 through the right-angle clamping sleeve joint 6 and the water inlet pipe 5; when the cavity in the roller body 2-2 is filled with cooling water, the cooling water overflows from the gap between the inner wall of the through hole of the support shaft 2-1 and the outer wall of the water inlet pipe 5, enters the shell 11 for water drainage, is discharged through a water outlet at the lower part of the shell 11 for water drainage, and enters a cooling water circulation system after passing through a water receiving disc 14.

Because the temperature of the cooling water in the cavity in the roller body 2-2 is lower than the surface temperature of the material film, the heat on the surface of the material film is conducted to the cooling water through the roller body 2-2, and the cooling water cools the surface of the material film; the cooling water is pressurized by the external cooling water circulating system, so that the cooling water can be better circulated, the heat on the surface of the material film can be quickly taken away, and the cooling effect is improved.

The utility model relates to a gravure press is with chill roll device is through reasonable part selection setting and special structural design for whole device has had good cooling water circulation water route, has possessed excellent sealed, rust-resistant characteristic, rotates in a flexible way moreover, and durable specifically embodies as follows:

firstly, the support shaft 2-1, the right-angle clamping sleeve joint 6, the oil cup 8, the air inlet valve 10, the straight-through clamping sleeve joint 12, the water receiving disc 14 and the bearing 18 are all made of stainless steel materials, the roller body 2-2, the shaft seat A9 and the drainage shell 11 are made of aluminum alloy materials, the connecting disc 13 and the sealing sleeve 15 are made of polytetrafluoroethylene materials, the water inlet pipe 5 is made of carbon fiber materials, the shaft seat B3 and the support shaft B2-3 are made of 45 steel, the parts in contact with cooling water are made of materials with good anti-rust function, and the possibility that the device rusts is eliminated to a great extent.

In the structural aspect: the structure of the right-angle clamping sleeve joint 6 ensures that the contact part of the right-angle clamping sleeve joint 6 and the water inlet pipe 5 is not likely to leak water; in the process of cooling water backwater, most of the cooling water overflows through a gap between the through hole in the support shaft 2-1 and the outer wall of the water inlet pipe 5, enters the drainage shell 11 and is discharged, the whole drainage flow channel is smooth and easy to discharge the cooling water, and the ventilation valve 10 is arranged on the drainage shell 11, so that the cooling water can be smoothly discharged from a lower drainage outlet after entering the drainage shell 11, the cooling water does not accumulate dead corners, and the possibility of water leakage is greatly reduced.

Secondly, in the aspect of preventing the condensed water on the outer circle of the support shaft 2-1 from accumulating, the outer circle of the sealing sleeve 15 is provided with a water isolating ring, and the inner hole of the shaft seat A9 is provided with a labyrinth groove and a drainage hole, so that the condensed water generated on the outer circle of the support shaft 2-1 can be smoothly discharged through the structural design, and the possibility of the bearing A18 and the support shaft 2-1 is prevented.

In addition, lubricating oil can be injected into the bearing A18 through the oil cup 8, the rotation flexibility of the bearing A18 is always kept, and the flexibility of the water-cooling roller 2 is further improved.

Claims

1. A cooling roller device for a gravure press comprises a frame (1) and a water-cooling roller (2) arranged on the frame (1), wherein the water-cooling roller (2) is formed by hot-assembling a support shaft A (2-1), a roller body (2-2) and a support shaft B (2-3) which are sequentially connected, and is characterized in that the support shaft A (2-1) is provided with a through hole along the axis thereof, the middle part of the roller body (2-2) is provided with a cavity, the through hole of the support shaft A (2-1) is communicated with the cavity of the roller body (2-2), one end of the support shaft A (2-1) is connected with the roller body (2-2), the other end of the support shaft A is provided with a shell (11) for water drainage, the roller is characterized in that a drainage cavity is arranged in the drainage shell (11), the drainage cavity is communicated with a through hole of the supporting shaft A (2-1), a drainage outlet is formed in the drainage shell (11), a water receiving disc (14) is arranged at the drainage outlet, a water inlet pipe (5) is arranged in the supporting shaft A (2-1), one end of the water inlet pipe (5) stretches out of the drainage shell (11) after passing through a cavity of the drainage shell (11), the other end of the water inlet pipe stretches into a cavity of the roller body (2-2), a gap is formed between the outer wall of the water inlet pipe (5) and the inner wall of the through hole of the supporting shaft A (2-1), one end of the water inlet pipe (5) stretching out of the drainage shell (11), one end of the water inlet pipe (5), the water receiving trays (14) are connected with a cooling water circulation system in an external connection mode.

2. The cooling roller device for the gravure printing machine according to claim 1, wherein the frame (1) is provided with a shaft seat a (9) and a shaft seat B (3), the supporting shaft a (2-1) is provided with a bearing a (18) near an outer end, the bearing a (18) is disposed in an inner hole of the shaft seat a (9), the outer end of the supporting shaft B (2-3) is provided with a bearing B (4), and the bearing B (4) is disposed in an inner hole of the shaft seat B (3).

3. The cooling roller device for the gravure press according to claim 2, wherein an oil cup (8) is provided on the shaft seat a (9), a cover plate (7) is fixed on an end surface of the shaft seat a (9) close to the roller body (2-2), an end surface of the shaft seat a (9) far from the roller body (2-2) is connected with the drainage shell (11) through a bolt, a connection plate (13) is provided between the shaft seat a (9) and the drainage shell (11), and the water inlet pipe (5) passes through a center hole formed in the center of the connection plate (13).

4. The cooling roller device for a gravure printing machine according to claim 3, wherein the end surface of the shaft seat A (9) that contacts the cover plate (7) is provided with an end surface seal ring (17).

5. The cooling roller device for the gravure press according to claim 2, wherein a sealing sleeve (15) is provided at the end of the outer end of the support shaft a (2-1), and the sealing sleeve (15) is also located in the inner hole of the shaft seat a (9).

6. The cooling roller device for gravure printing machine according to claim 4, wherein a radial seal ring (16) is provided between the support shaft A (2-1) and the seal cover (15).

7. The cooling roller device for gravure printing machine according to claim 1, wherein the water inlet pipe (5) and the drainage housing (11) are fixed by a through ferrule fitting (12).

8. The cooling roller device for the gravure press according to claim 1, wherein a right-angle bayonet joint (6) is provided at an end of the water inlet pipe (5) extending out of the casing (11) for draining, and the right-angle bayonet joint (6) is externally connected with a cooling water circulation system.

9. The cooling roller device for the gravure press according to claim 1, wherein the water receiving tray (14) is fixedly connected to a drain port at the bottom of the drain case (11) by a screw, a drain pipe is provided in the water receiving tray (14), one end of the drain pipe is connected to the drain port of the drain case (11), the other end of the drain pipe is located at a drain port at the bottom of the water receiving tray (14), and the drain port of the water receiving tray (14) is connected to a cooling water circulation system.

10. The cooling roller device for the gravure press according to claim 1, wherein the drain case (11) is provided with an air inlet valve (10), the drain chamber communicates with air through the air inlet valve (10), a contact surface of the drain case (11) with the shaft seat a (9) is coated with a sealant, and a contact surface of the drain case (11) with the water pan (14) is also coated with a sealant.