CN218692591U

CN218692591U - Double-channel water circulating cooling roller shaft structure

Info

Publication number: CN218692591U
Application number: CN202223081761.3U
Authority: CN
Inventors: 高德强
Original assignee: Zhengde Lixin Machinery Device Co ltd
Current assignee: Zhengde Lixin Machinery Device Co ltd
Priority date: 2022-11-21
Filing date: 2022-11-21
Publication date: 2023-03-24
Anticipated expiration: 2032-11-21

Abstract

The utility model discloses a bi-pass circulating water cooling's roller structure, including the roller axle and the rolling mill bearing that is in roller axle both ends, be provided with roller inlet auxiliary road, roller outlet auxiliary road, roller inlet main road and roller outlet main road on the roller axle, the tip outside of roller axle is provided with first annular water route groove and second annular water route groove, and roller inlet auxiliary road intercommunication roller inlet main road and first annular water route groove, roller outlet auxiliary road intercommunication roller outlet main road and second annular water route groove. The double-channel water-cooling circulation roll shaft structure provides a structure for cooling each part in a water-cooling circulation manner from the inside, a cold water loop is formed by the two main roll paths and the auxiliary roll path communicated with the rolling mill bearing, the rolling mill shaft is coated with 360-degree cold water, and redundant heat conducted from a wire rod by the rolling mill shaft and the rolling mill bearing which moves relatively is taken away.

Description

Double-channel water-circulating cooling roller shaft structure

Technical Field

The utility model relates to a hot rolling's of metal wire rod technical field especially relates to a two-way water-cooling circulation's roller structure.

Background

The rolling mill is a metal rolling processing device, rolls a wire rod through a roller, and rolling mill bearings are arranged at two ends of a roller shaft to be used as supports. The common metal material is cold rolled at normal temperature, the process requirements of products can be met by cooling with external spray liquid, the common metal material and the common roller body material are allowed to be sprayed and cooled, in order to increase the rolling quantity and improve the production efficiency, a part of the common material is heated to a high temperature state for hot rolling in production, the hot rolling can be carried out in a spraying mode during hot rolling, the process is suitable for rolling of medium-carbon steel, low-carbon steel and even some common metals with larger sizes, but in hot rolling processing, the special metal can cause roller burst or wire rod product cracking due to the fact that the roller material and the workpiece material meet water, the continuous high temperature can lead the working annealing softening and abrasion of the roller, the high temperature can be transmitted to the bearing position to lead the lubricant of the bearing to be evaporated to lead the operating environment to be poor, the rolling piece and the roller path to lose hardness and become soft and invalid, aiming at the problems, people often use short-cycle rolling, regularly shut down and frequently repair the roller, the effective production time is short, and the roller maintenance cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aim at: the utility model provides a two pass circulation water-cooling's roller structure carries out water-cooling to roller axle and wire rod product from the inside roller axle, improves effectual production time, reduces the loss of roller axle and bearing.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a two pass circulation water-cooled roller structure, includes the roller axle and is in the rolling mill bearing at roller axle both ends, be provided with roller water inlet auxiliary road, roller water outlet auxiliary road, roller water inlet main road and roller water outlet main road on the roller axle, the tip outside of roller axle is provided with first annular water route groove and second annular water route groove, roller water inlet auxiliary road along radial direction intercommunication roller water inlet main road with first annular water route groove, roller water outlet auxiliary road along radial direction intercommunication roller water outlet main road with second annular water route groove, first annular water route groove with second annular water route groove communicates, the overcoat of rolling mill bearing has the bearing frame flange.

As a preferable technical solution, the roll water inlet main path and the roll water outlet main path are parallel to each other in the axial direction of the roll shaft and symmetrical to the axial center of the roll shaft.

As a preferred technical scheme, O-shaped sealing rings are mounted at two ends of the inner side of the rolling mill bearing and sleeved on the end part of the rolling mill shaft.

As an optimal technical scheme, framework oil seals are installed at two ends of the inner side of each bearing seat flange, and are sleeved on the roll shafts.

As a preferred technical scheme, one end of the roll shaft is further sleeved with a bidirectional thrust ball bearing, and an axial adjusting flange is mounted on the outer side of the bidirectional thrust ball bearing.

As a preferred technical scheme, the outer side end of the axial adjusting flange is connected with a rotary joint, the rotary joint is connected with a water inlet pipe and a water outlet pipe, the roller water inlet main circuit and the roller water outlet main circuit are both axial blind holes, the roller water inlet main circuit is communicated with the water inlet pipe, and the roller water outlet main circuit is communicated with the water outlet pipe.

As a preferred technical scheme, a connecting adapter is connected between the rotary joint and the axial adjusting flange.

As a preferred technical scheme, an adjusting flange seat is fixed on the outer side of the axial adjusting flange, and a positioning seat is connected between the rotary joint and the adjusting flange seat.

As a preferable technical solution, a sealing rubber gasket is installed between the bidirectional thrust ball bearing and the end of the roll shaft.

As a preferred technical scheme, quick-screwing joints are connected between the water inlet pipe and the rotary joint and between the water outlet pipe and the rotary joint.

The utility model has the advantages that: the double-channel water-circulating cooling roll shaft structure is provided with a structure for cooling each part in a water-cooling circulating mode from the inside, a cold water loop is formed by two main roll paths and a secondary roll path communicated with a rolling mill bearing, the rolling mill shaft is coated with 360-degree cold water, and redundant heat conducted from a wire rod by the rolling mill shaft and the rolling mill bearing moving relative to the rolling mill shaft is taken away.

Drawings

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

FIG. 1 is a schematic overall structure diagram of a dual-channel water-cooling circulation roll shaft structure according to an embodiment;

FIG. 2 is a sectional view of a dual channel water-cooling circulation roller shaft structure according to an embodiment;

FIG. 3 is a first structural view of a roll shaft according to an embodiment;

fig. 4 is a second structural view of the roll shaft according to the embodiment.

In fig. 1 to 4:

1. a roll shaft; 2. a rolling mill bearing; 3. a roller water inlet auxiliary road; 4. a roller water outlet auxiliary road; 5. a roller water inlet main road; 6. a roller water outlet main road; 7. a first annular water channel; 8. a second annular water channel; 9. a third annular water channel; 10. a bearing block flange; 11. an O-shaped sealing ring; 12. framework oil seal; 13. a bidirectional thrust ball bearing; 14. an axial adjustment flange; 15. a rotary joint; 16. a water inlet pipe; 17. a water outlet pipe; 18. connecting the adapter; 19. adjusting the flange seat; 20. positioning seats; 21. sealing the rubber gasket; 22. quickly screwing a joint; 23. dislocation water route groove.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

As shown in fig. 1 to 4, in the present embodiment, a two-channel water-cooling circulation roller shaft structure includes a roller shaft 1 and rolling mill bearings 2 at two ends of the roller shaft 1, wherein a roller water inlet auxiliary path 3, a roller water outlet auxiliary path 4, a roller water inlet main path 5 and a roller water outlet main path 6 are disposed on the roller shaft 1, a first annular water path groove 7 and a second annular water path groove 8 are disposed on an outer side of an end portion of the roller shaft 1, the roller water inlet auxiliary path 3 communicates the roller water inlet main path 5 and the first annular water path groove 7 along a radial direction, the roller water outlet auxiliary path 4 communicates the roller water outlet main path 6 and the second annular water path groove 8 along the radial direction, the first annular water path groove 7 communicates with the second annular water path groove 8, and a bearing seat flange 10 is sleeved on an outer portion of the rolling mill bearings 2.

The cooling water is introduced from the roller water inlet main path 5, the cooling water enters the first annular water path groove 7 from the roller water inlet auxiliary path 3, one end of the roller shaft 1 is cooled, meanwhile, a loop is formed through a gap between the roller shaft 1 and the rolling mill bearing 2 and returns to the second annular water path groove 8, the other section of cooling is carried out on one end of the roller shaft 1, the cooling is carried out on the two ends of the roller shaft 1, and the purpose of taking away heat conducted from the roller shaft 1, the rolling mill bearing 2 and the wire rod is achieved.

Certainly, a third annular water channel 9 can be additionally arranged between the first annular water channel 7 and the second annular water channel 8, a radially communicated dislocation water channel 23 exists between the first annular water channel 7 and the third annular water channel 9, a radially communicated dislocation water channel 23 also exists between the second annular water channel 8 and the third annular water channel 9, the two groups of dislocation water channels 23 are distributed in a staggered mode, one group is arranged at the upper end of the rolling roll shaft 1, the other group is arranged at the lower end of the rolling roll shaft 1, the three annular water channels are communicated and act together, a water channel forms 360-degree envelope on the position of the rolling mill bearing 2, and the cooling effect is better.

The roller water inlet main path 5 and the roller water outlet main path 6 are mutually parallel to the axial direction of the roller shaft 1 and are symmetrical to the axis of the roller shaft 1, and the mutually parallel design ensures that the cooling degree of each section on the roller shaft 1 is uniform.

O-shaped sealing rings 11 are arranged at two ends of the inner side of the rolling mill bearing 2, the O-shaped sealing rings 11 are sleeved on the end portions of the roll shaft 1, and the O-shaped sealing rings 11 seal gaps between the rolling mill bearing 2 and two ends of the roll shaft 1 to ensure that cooling water cannot leak out from the space between the rolling mill bearing 2 and the roll shaft 1.

Framework oil seals 12 are mounted at two ends of the inner side of the bearing seat flange 10, the framework oil seals 12 are sleeved on the roll shaft 1, and the framework oil seals 12 effectively seal lubricating oil between the rolling mill bearing 2 and the bearing seat flange 10, so that an oil leakage phenomenon cannot be generated.

One end of the roll shaft 1 is also sleeved with a bidirectional thrust ball bearing 13, an axial adjusting flange 14 is arranged on the outer side of the bidirectional thrust ball bearing 13, one side of the roll shaft 1 is provided with the bidirectional thrust ball bearing 13 matched with the axial adjusting flange 14 to stably install the roll bearing 2 and the bearing seat flange 10 on one side on one end of the roll shaft 1, and the other end of the roll shaft 1 is required to be connected with a rotating power mechanism, so that the bidirectional thrust ball bearing 13 and the axial adjusting flange 14 are not required to be installed.

The outer side end of the axial adjusting flange 14 is connected with a rotary joint 15, the rotary joint 15 is connected with a water inlet pipe 16 and a water outlet pipe 17, the roller water inlet main path 5 and the roller water outlet main path 6 are axial blind holes, the roller water inlet main path 5 is communicated with the water inlet pipe 16, the roller water outlet main path 6 is communicated with the water outlet pipe 17, cooling water is injected from the water inlet pipe 16 to the outside, the cooling water is introduced into a water inlet of the roller water inlet main path 5 through the rotary joint 15, flows out from a water inlet of the roller water outlet main path 6 after the rolling roller shaft 1 and the rolling mill bearing 2 flow back, and is discharged from the water outlet pipe 17 through the rotary joint 15.

A connecting adapter 18 is connected between the rotary joint 15 and the axial adjusting flange 14, and the rotary joint 15 is connected with the rotating axial adjusting flange 14 by using the connecting adapter 18.

An adjusting flange seat 19 is fixed on the outer side of the axial adjusting flange 14, a positioning seat 20 is connected between the rotary joint 15 and the adjusting flange seat 19, the adjusting flange seat 19 and the rotary joint 15 are stably fixed together through the positioning seat 20, and a smooth flow channel of intermediate cooling water is kept.

Install sealed cushion 21 between the tip of two-way thrust ball bearing 13 and roller axle 1, utilize sealed cushion 21 tightly to lock the adapter on two-way thrust ball bearing 13, prevent that the cooling water from spilling.

Between inlet tube 16 and rotary joint 15, all be connected with quick screwed joint 22 between outlet pipe 17 and the rotary joint 15, can put through inlet tube 16 and outlet pipe 17 to rotary joint 15 fast through quick screwed joint 22 on, improve the installation effectiveness.

It should be noted that the above embodiments are only preferred embodiments of the present invention and the technical principles applied, and any changes or substitutions which can be easily conceived by those skilled in the art within the technical scope of the present invention are covered by the protection scope of the present invention.

Claims

1. The utility model provides a two pass circulation water-cooled roller structure, includes the roller axle and is in the rolling mill bearing at roller axle both ends, its characterized in that, be provided with roller auxiliary water inlet way, roller auxiliary water outlet way, roller main water inlet way and roller main water outlet way on the roller axle, the tip outside of roller axle is provided with first annular water route groove and second annular water route groove, roller auxiliary water inlet way along radial direction intercommunication roller main water inlet way with first annular water route groove, roller auxiliary water outlet way along radial direction intercommunication roller main water outlet way with second annular water route groove, first annular water route groove with second annular water route groove communicates with each other, the outside cover of bearing has the flange bearing frame.

2. The roll shaft structure of double passage water-cooling circulation according to claim 1, wherein the roll water inlet main passage and the roll water outlet main passage are parallel to each other in the axial direction of the roll shaft and are symmetrical to the axial center of the roll shaft.

3. The roller shaft structure with double-channel circulating water cooling as claimed in claim 1, wherein O-shaped sealing rings are mounted at two ends of the inner side of the rolling mill bearing, and the O-shaped sealing rings are sleeved on the end portions of the rolling mill shaft.

4. The roller shaft structure with the double-channel circulating water cooling function according to claim 1, wherein framework oil seals are mounted at two ends of the inner side of the bearing seat flange, and the framework oil seals are sleeved on the roller shaft.

5. The roller shaft structure with the double-channel circulating water cooling function according to claim 1, wherein a bidirectional thrust ball bearing is further sleeved at one end of the roller shaft, and an axial adjusting flange is mounted on the outer side of the bidirectional thrust ball bearing.

6. The roller shaft structure with double-channel circulating water cooling as claimed in claim 5, wherein a rotary joint is connected to the outer side end of the axial adjusting flange, a water inlet pipe and a water outlet pipe are connected to the rotary joint, the roller water inlet main path and the roller water outlet main path are both axial blind holes, the roller water inlet main path is communicated with the water inlet pipe, and the roller water outlet main path is communicated with the water outlet pipe.

7. The roller shaft structure with double-channel circulating water cooling as claimed in claim 6, wherein a connecting adapter is connected between the rotary joint and the axial adjusting flange.

8. The roll shaft structure with double-channel circulating water cooling as claimed in claim 6, wherein an adjusting flange seat is fixed on the outer side of the axial adjusting flange, and a positioning seat is connected between the rotary joint and the adjusting flange seat.

9. The roller shaft structure with double-channel circulating water cooling as claimed in claim 5, wherein a sealing rubber gasket is installed between the bidirectional thrust ball bearing and the end of the roller shaft.

10. The roller shaft structure with double-channel circulating water cooling as claimed in claim 6, wherein quick-screwing joints are connected between the water inlet pipe and the rotary joint and between the water outlet pipe and the rotary joint.