CN214211742U - Pass line adjusting device for twenty-high rolling mill - Google Patents
Pass line adjusting device for twenty-high rolling mill Download PDFInfo
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- CN214211742U CN214211742U CN202022701335.XU CN202022701335U CN214211742U CN 214211742 U CN214211742 U CN 214211742U CN 202022701335 U CN202022701335 U CN 202022701335U CN 214211742 U CN214211742 U CN 214211742U
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- pass line
- rolling mill
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- oil cylinder
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Abstract
The utility model discloses a pass line adjusting device for twenty high rolling mill, include: the device comprises a hydraulic oil cylinder, a position sensor for detecting the position of the output end of the hydraulic oil cylinder, a mounting base plate, a rack, convex teeth, a back supporting roller and a rolling mill housing. In this way, the utility model relates to a pass line adjusting device for twenty high rolling mill drives two back of the body simultaneously through rack, dogtooth and props the roller rotation to adjust the height of pass line, easy to maintain and point are examined, and control accuracy is high, can realize closed-loop control.
Description
Technical Field
The utility model relates to a nonferrous metal and metallurgical equipment field especially relates to a pass line adjusting device for twenty-high rolling mill.
Background
The twenty-high mill is characterized in that a main body consists of an inner housing, an outer housing, a roller system, various mill systems and a pipe, wherein the roller system is an important component. In order to roll thinner strip steel, the diameter of the work rolls should be minimized, but the small diameter of the work rolls reduces the rigidity of the mill, and in order to solve this contradiction, the work rolls need to be supported by other rolls, and a twenty-high rolling mill system is thus produced. However, the conventional twenty-high rolling mill is difficult to adjust the pass line and inconvenient to use and maintain.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a pass line adjusting device for twenty high rolling mill, has advantages such as reliable performance height, location accuracy, compact structure, has extensive market prospect in the application and the popularization of coloured and metallurgical equipment simultaneously.
In order to solve the technical problem, the utility model discloses a technical scheme be:
provides a pass line adjusting device for a twenty-high rolling mill, which comprises a hydraulic oil cylinder, a position sensor for detecting the position of the output end of the hydraulic oil cylinder, a mounting base plate, a rack, a convex tooth, a back support roller and a rolling mill housing,
the mounting base plate is arranged on the mill housing, the hydraulic oil cylinder is arranged on the mounting base plate, the position sensor is connected with the hydraulic oil cylinder, one end of the rack is detachably connected with the hydraulic oil cylinder, a row of convex teeth are arranged on each of two sides of the rack, the back support roller connected with the lower roller system is of an eccentric structure, the convex teeth are uniformly distributed on the side wall of the back support roller, the convex teeth on the rack are meshed with the convex teeth on the back support roller, and the rack is driven to move up and down through the telescopic action of the hydraulic oil cylinder to drive the back support roller to rotate so as to lift or lower a pass line.
In a preferred embodiment of the present invention, a hydraulic valve is connected to the hydraulic cylinder.
In a preferred embodiment of the present invention, the roll gap is closed, and when the hydraulic cylinder drives the rack to retract, the back-up roller eccentrically rotates, so that the lower roller system moves upward, thereby improving the rolling mill pass line.
In a preferred embodiment of the present invention, when the roll gap is opened and the hydraulic valve drives the rack to extend, the back-up roll eccentrically rotates to move the lower roll system downward, and the rolling mill pass line is lowered.
In a preferred embodiment of the present invention, the hydraulic cylinder is connected to the mounting plate through the fixing bolt.
In a preferred embodiment of the present invention, a mounting position is provided at a lower portion of the front surface of the rolling mill housing, and the mounting base plate is mounted to the mounting position through the positioning pin.
In a preferred embodiment of the present invention, the rack is connected to the hydraulic cylinder by a bolt/screw/plug.
In a preferred embodiment of the present invention, the rack is screwed to the hydraulic cylinder.
The utility model has the advantages that: the two back-up rollers are driven to rotate by the racks and the convex teeth, so that the height of a pass line is adjusted, the maintenance and the point inspection are easy, the control precision is high, and the closed-loop control can be realized.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
fig. 1 is a schematic front view of a preferred embodiment of a pass line adjusting device for a twenty-high rolling mill according to the present invention;
fig. 2 is a schematic left side view of a preferred embodiment of a pass line adjusting device for a twenty-high rolling mill according to the present invention;
fig. 3 is a schematic top view of a preferred embodiment of a pass line adjusting device for a twenty-high rolling mill according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-3, an embodiment of the present invention includes:
a pass line adjusting device for a twenty-high rolling mill adopts the eccentric adjustment of a pass line on downward pushing, and the device specifically comprises: the device comprises a hydraulic oil cylinder 1, a position sensor 2 for detecting the position of the output end of the hydraulic oil cylinder, a fixing bolt 3, a positioning pin 4, a mounting base plate 5, a rack 6, a convex tooth 7, a back support roller 8 and a rolling mill housing 9.
The mounting base plate is arranged on the rolling mill housing, the hydraulic oil cylinder is arranged on the mounting base plate, and the position sensor is connected with the hydraulic oil cylinder. The hydraulic oil cylinder is connected with the mounting base plate through the fixing bolt. The installation position is arranged at the lower part of the front side of the mill housing, the installation bottom plate is installed at the installation position through the positioning pin, side installation is achieved, installation, disassembly and maintenance are easy, and point inspection is convenient.
One end of the rack is detachably connected with the hydraulic oil cylinder, wherein the rack can be connected with the hydraulic oil cylinder through a bolt and a screw and can also be in threaded connection with the hydraulic oil cylinder, so that the rack is convenient to disassemble, assemble and use.
The two sides of the rack are respectively provided with a row of convex teeth, the back support roller connected with the lower roller system is of an eccentric structure, the rotation of the eccentric structure can change the height of the lower roller system on the back support roller in the horizontal direction to realize the height adjustment of a pass line, wherein the lower roller system can be directly placed on the back support roller, the convex teeth are uniformly distributed on the side wall of the back support roller or the upper part of the side wall of the back support roller, the convex teeth on the rack are meshed with the convex teeth on the back support roller, and the rack is driven to move up and down through the telescopic action of a hydraulic oil cylinder to push the back support roller to realize the rotation of the back support roller, so that the change of the lower roller system is realized, and the height adjustment of the pass line is realized.
The roll gap is closed, oil is supplied to the hydraulic oil cylinder through the hydraulic valve, the movement of the rack is realized, the back-up roller is driven to rotate, when the rack moves inwards (retracts), the back-up roller eccentrically rotates, the lower roller system moves upwards, the pass line of the rolling mill is improved, and the position of the pass line and the moving distance of the oil cylinder are obtained in real time through the position sensor.
The roll gap is opened, oil is supplied to the oil cylinder through a hydraulic valve, the rack moves to drive the back-up roll to rotate, when the rack moves outwards (extends out), the back-up roll eccentrically rotates to realize that the lower roll system moves downwards, the pass line of the rolling mill is lowered, and the position of the pass line and the moving distance of the oil cylinder are obtained in real time through position sensing.
When the pass line is automatically adjusted, the corresponding size of the roller system is input into the control system, the expected pass line position is preset, the position to be reached by the hydraulic oil cylinder is calculated through the control system, the oil cylinder can reach the preset position through a button and a key, and closed-loop control is realized through the feedback of the position sensor.
The utility model relates to a pass line adjusting device for twenty high rolling mill's beneficial effect is: the two back-up rollers are driven to rotate by the racks and the convex teeth, so that the height of a pass line is adjusted, the maintenance and the point inspection are easy, the control precision is high, and the closed-loop control can be realized.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, all included in the same way in the patent protection scope of the present invention.
Claims (8)
1. A pass line adjustment device for a twenty-high rolling mill, comprising: a hydraulic oil cylinder, a position sensor for detecting the position of the output end of the hydraulic oil cylinder, a mounting base plate, a rack, a convex tooth, a back support roller and a rolling mill housing,
the mounting base plate is arranged on the mill housing, the hydraulic oil cylinder is arranged on the mounting base plate, the position sensor is connected with the hydraulic oil cylinder, one end of the rack is detachably connected with the hydraulic oil cylinder, a row of convex teeth are arranged on each of two sides of the rack, the back support roller connected with the lower roller system is of an eccentric structure, the convex teeth are uniformly distributed on the side wall of the back support roller, the convex teeth on the rack are meshed with the convex teeth on the back support roller, and the rack is driven to move up and down through the telescopic action of the hydraulic oil cylinder to drive the back support roller to rotate so as to lift or lower a pass line.
2. The pass line adjustment device for the twenty-high rolling mill according to claim 1, wherein a hydraulic valve is connected to the hydraulic cylinder.
3. The pass line adjusting device for the twenty-high rolling mill according to claim 1, wherein a roll gap is closed, and when the hydraulic oil cylinder drives the rack to retract, the back-up roll eccentrically rotates to realize upward movement of the lower roll system, so that a rolling mill pass line is improved.
4. The pass line adjusting device for the twenty-high rolling mill according to claim 1, wherein when the roll gap is opened and the hydraulic valve drives the rack to extend, the back-up roll eccentrically rotates to realize downward movement of the lower roll system and lower the mill pass line.
5. The pass line adjustment device for the twenty-high rolling mill according to claim 1, wherein the hydraulic cylinder is connected to the mounting base plate by a fixing bolt.
6. The pass line adjusting device for the twenty-high rolling mill according to claim 1, wherein a mounting position is provided at a lower portion of the front face of the mill housing, and the mounting base plate is mounted at the mounting position by a positioning pin.
7. The pass line adjustment device for a twenty-high rolling mill according to claim 1, characterized in that the rack is connected with the hydraulic cylinder by a bolt/screw/plug.
8. The pass line adjustment device for the twenty-high rolling mill according to claim 1, wherein the rack is in threaded connection with the hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022701335.XU CN214211742U (en) | 2020-11-20 | 2020-11-20 | Pass line adjusting device for twenty-high rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022701335.XU CN214211742U (en) | 2020-11-20 | 2020-11-20 | Pass line adjusting device for twenty-high rolling mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214211742U true CN214211742U (en) | 2021-09-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022701335.XU Active CN214211742U (en) | 2020-11-20 | 2020-11-20 | Pass line adjusting device for twenty-high rolling mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214211742U (en) |
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2020
- 2020-11-20 CN CN202022701335.XU patent/CN214211742U/en active Active
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