CN214441842U - Rolling mill with internal cooling device - Google Patents
Rolling mill with internal cooling device Download PDFInfo
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- CN214441842U CN214441842U CN202120392382.2U CN202120392382U CN214441842U CN 214441842 U CN214441842 U CN 214441842U CN 202120392382 U CN202120392382 U CN 202120392382U CN 214441842 U CN214441842 U CN 214441842U
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- cooling water
- water
- roll
- water inlet
- working roll
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Abstract
A rolling mill with an internal cooling device aims to quickly and uniformly reduce the temperature of a roller body of a roller and prolong the service life; the utility model comprises a frame, a supporting device, a lower supporting roll, an upper supporting roll, a screw-down mechanism, a working roll, a cooling water channel, a water inlet tank, a water inlet pipe, an infrared detector and a bearing box; the bottom end of the frame is provided with a supporting device, the top end of the supporting device is provided with a lower supporting roller, the upper end of the frame is provided with a pressing mechanism, the bottom end of the pressing mechanism is provided with an upper supporting roller, and two working rollers which are opposite up and down are arranged between the upper supporting roller and the lower supporting roller; a cooling water channel is arranged in the working roll close to the outer side along the axis direction; the left side and the right side of the working roll are provided with shaft shoulders, the shaft shoulders are provided with cooling water ports connected with a cooling water channel in the roll, the end parts of the shaft shoulders at the two ends of the working roll and the cooling water ports are arranged in a water inlet tank, and the water inlet tank is connected with a water inlet pipe; the shaft shoulder is fixed on the frame through the bearing box.
Description
Technical Field
The utility model relates to a rolling mill field, concretely relates to rolling mill with internal cooling device.
Background
The cooling of the roll of the rolling mill is an important link in the roll process, the roll needs to be cooled after or during use, and the cooling of the roll usually causes local overheating due to insufficient cooling, excessive cooling or local uneven cooling. In the prior art, the cooling of the rolling mill roller generally adopts spray cooling water or a cooling roller is added for cooling, but the use effect is poor, and the spray cooling water cooling can influence the thermal convexity and the rolling plate shape of the roller, so that the roller cannot be cooled in all directions. Therefore, it is important to design a device for cooling the roller more precisely.
SUMMERY OF THE UTILITY MODEL
The utility model aims at having the above-mentioned problem to current technique, provide a can evenly reduce roll shaft temperature fast, improve working roll life's rolling mill with interior cooling device.
The utility model comprises a frame, a supporting device, a lower supporting roll, an upper supporting roll, a screw-down mechanism, a working roll, a cooling water channel, a water inlet tank, a water inlet pipe, an infrared detector and a bearing box; the bottom end of the frame is provided with a supporting device, the top end of the supporting device is provided with a lower supporting roller, the upper end of the frame is provided with a pressing mechanism, the bottom end of the pressing mechanism is provided with an upper supporting roller, and two working rollers which are opposite up and down are arranged between the upper supporting roller and the lower supporting roller; a cooling water channel is arranged in the working roll close to the outer side along the axis direction; the left side and the right side of the working roll are provided with shaft shoulders, the shaft shoulders are provided with cooling water ports connected with a cooling water channel in the roll, the end parts of the shaft shoulders at the two ends of the working roll and the cooling water ports are arranged in a water inlet tank, and the water inlet tank is connected with a water inlet pipe; the shaft shoulder is fixed on the frame through the bearing box, and the infrared detector for detecting the temperature of the working rolls is arranged on the frame between the two working rolls.
Four cooling water channels are uniformly distributed in the working roll along the circumferential direction, and two opposite cooling water channels form one group and are divided into two groups; the shaft shoulder section takes the axis as a symmetrical center, and two cooling water ports are arranged at the upper part and the lower part; the central position of the end part of the shaft shoulder is provided with a boss, a water drainage channel is arranged along the axis direction of the boss, the water drainage channel at the left end of the boss is connected with the cooling water channel for water inflow of the right shaft shoulder of the working roll in a T shape, and the water drainage channel at the right end of the boss is connected with the cooling water channel for water inflow of the left shaft shoulder of the working roll in a T shape.
The water inlet tank is filled with cooling water, the cooling water enters the cooling water channels through the cooling water ports at the left end and the right end to cool the working roll and then is discharged from the water discharge channels at the two ends of the working roll, so that the cooling water in the two groups of cooling water channels in the working roll flows in opposite directions, the cooling temperature of the working roll in the length direction is ensured to be basically consistent, and the deformation of the working roll caused by the uneven temperature of the roll body is prevented; the infrared detector is arranged on the frame between the two working rolls and is used for detecting the temperature of the working rolls; the infrared detector is connected with an opening controller on a water supply valve arranged at the cooling water port through a lead. When the temperature of the working roll is too high, the signal of the infrared detector is transmitted to an opening controller of a water supply valve, the flow is automatically increased, and the temperature is rapidly reduced.
The utility model discloses can be under the unanimous condition of assurance working roll along length direction temperature, quick, even reduction working roll's temperature avoids producing because of the working roll cooling is inhomogeneous and warp to improve the life of working roll.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of a work roll with a water drain at the center of a boss;
fig. 3 is a schematic view of the internal structure of the work roll rotated by 90 degrees in fig. 2.
In the figure: 1. the device comprises a rack, 2 parts of a supporting device, 3 parts of a lower supporting roller, 4 parts of an upper supporting roller, 5 parts of a pressing mechanism, 6 parts of a working roller, 7 parts of an infrared detector, 8 parts of a water inlet tank, 9 parts of a water inlet pipe, 10 parts of a shaft shoulder, 11 parts of a boss, 12 parts of a cooling water channel, 13 parts of a bearing box, 14 parts of a water drainage channel and 15 parts of a cooling water port.
Detailed Description
The bottom end of a rack 1 is provided with a supporting device 2, the top end of the supporting device 2 is provided with a lower supporting roller 3, the upper end of the rack 1 is provided with a pressing mechanism 5, the bottom end of the pressing mechanism 5 is provided with an upper supporting roller 4, two working rollers 6 which are opposite up and down are arranged between the upper supporting roller 4 and the lower supporting roller 3, four cooling water channels 12 are uniformly distributed in each working roller 6 along the circumferential direction, the two opposite cooling water channels 12 are in a group and are divided into two groups, shaft shoulders 10 are arranged at the left end and the right end of each working roller 6, the section of each shaft shoulder 10 takes an axis as a symmetrical center, two cooling water ports 15 are arranged up and down, the cooling water ports 15 are communicated with the cooling water channels 12 in the rollers, the end parts of the shaft shoulders 10 at the two ends of each working roller 6 and the cooling water ports 15 are all arranged in a water inlet box 8, and the water inlet box 8 is connected with a water inlet pipe 9; the center of the end of the shaft shoulder 10 is provided with a boss 11, and a water discharge channel 14 is arranged along the axial direction of the boss 11. The water drain channel 14 at the left end of the boss 11 is connected with the cooling water channel 12 for water inlet of the right shaft shoulder 10 of the working roll 6 in a T shape, and the water drain channel 14 at the right end of the boss 11 is connected with the cooling water channel 12 for water inlet of the left shaft shoulder 10 of the working roll 6 in a T shape.
The bearing box 13 is arranged in the middle of the shaft shoulder 10, and the shaft shoulder 10 is fixed on the frame 1 through the bearing box 13. The water inlet tank 8 is filled with cooling water, the cooling water enters the cooling water channels 12 through the cooling water ports 15 at the left end and the right end and is discharged from the water discharge channels 14 at the two ends of the working roll 6, so that the cooling water in the two groups of cooling water channels 12 in the working roll 6 flows in opposite directions, the temperature of the working roll 6 along the length direction is ensured to be consistent, and the deformation of the working roll 6 caused by the uneven temperature of the roll body is prevented. The infrared detector 7 is arranged on the frame 1 between the two working rolls 6 and used for detecting the temperature of the working rolls 6, when the temperature of the working rolls 6 is too high, signals of the infrared detector 7 are transmitted to the opening controller on the water supply valve, the flow is increased, and the temperature is rapidly reduced.
Claims (3)
1. A rolling mill with an internal cooling device is characterized by comprising a rack, a supporting device, a lower supporting roller, an upper supporting roller, a pressing mechanism, a working roller, a cooling water channel, a water inlet tank, a water inlet pipe, an infrared detector and a bearing box; the bottom end of the frame is provided with a supporting device, the top end of the supporting device is provided with a lower supporting roller, the upper end of the frame is provided with a pressing mechanism, the bottom end of the pressing mechanism is provided with an upper supporting roller, and two working rollers which are opposite up and down are arranged between the upper supporting roller and the lower supporting roller; a cooling water channel is arranged in the working roll close to the outer side along the axis direction; the left side and the right side of the working roll are provided with shaft shoulders, the shaft shoulders are provided with cooling water ports connected with a cooling water channel in the roll, the end parts of the shaft shoulders at the two ends of the working roll and the cooling water ports are arranged in a water inlet tank, and the water inlet tank is connected with a water inlet pipe; the shaft shoulder is fixed on the frame through the bearing box.
2. The rolling mill having the internal cooling device as set forth in claim 1, wherein four cooling water passages are uniformly distributed in the interior of the work rolls along the circumferential direction, and two opposite cooling water passages are grouped into two groups; the shaft shoulder section is symmetrical about an axis, and two cooling water ports are formed in the upper part and the lower part of the shaft shoulder section; the central position of the end part of the shaft shoulder is provided with a boss, a water drainage channel is arranged along the axis direction of the boss, the water drainage channel at the left end of the boss is connected with the cooling water channel for water inflow of the right shaft shoulder of the working roll in a T shape, and the water drainage channel at the right end of the boss is connected with the cooling water channel for water inflow of the left shaft shoulder of the working roll in a T shape.
3. A rolling mill having an internal cooling device according to claim 1 or 2, wherein an infrared detector for detecting the temperature of the work rolls is installed on the frame between the two work rolls, and the infrared detector is connected to an opening controller of a feed water valve installed at a cooling water port through a wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120392382.2U CN214441842U (en) | 2021-02-22 | 2021-02-22 | Rolling mill with internal cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120392382.2U CN214441842U (en) | 2021-02-22 | 2021-02-22 | Rolling mill with internal cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214441842U true CN214441842U (en) | 2021-10-22 |
Family
ID=78144529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120392382.2U Active CN214441842U (en) | 2021-02-22 | 2021-02-22 | Rolling mill with internal cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214441842U (en) |
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2021
- 2021-02-22 CN CN202120392382.2U patent/CN214441842U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230105 Address after: No. 4, Enterprise Avenue, Transformation Industrial Park, Yangqu County, Taiyuan City, Shanxi Province, 030100 Patentee after: SHANXI HAOYE NEW MATERIAL DEVELOPMENT Co.,Ltd. Address before: 030006 room 804, medium unit, Zhongchuang space, small and micro business incubator, No.38, industrial road, Taiyuan Xuefu Park, comprehensive reform demonstration zone, Taiyuan City, Shanxi Province Patentee before: Shanxi shuojin high temperature material technology Co.,Ltd. |
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| TR01 | Transfer of patent right |