CN214639124U - Rolling mill and electric roll gap adjusting device thereof - Google Patents
Rolling mill and electric roll gap adjusting device thereof Download PDFInfo
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- CN214639124U CN214639124U CN202120820544.8U CN202120820544U CN214639124U CN 214639124 U CN214639124 U CN 214639124U CN 202120820544 U CN202120820544 U CN 202120820544U CN 214639124 U CN214639124 U CN 214639124U
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Abstract
The utility model provides a rolling mill and an electric roll gap adjusting device thereof, wherein the electric roll gap adjusting device comprises a mounting seat, an adjusting shaft and an adjusting screw rod; the mounting seat is used for being fixed on a box body of the rolling mill; the adjusting shaft is rotatably arranged in the mounting seat, a first end of the adjusting shaft is in fit connection with the end part of the screw rod through a spline, and a second end of the adjusting shaft is exposed for rotary adjustment; the adjusting mechanism comprises an adjusting shaft driving device which can enable the adjusting shaft to rotate, and the adjusting shaft driving device comprises a motor and a speed reducer which is in power connection with the motor; the speed reducer is fixed on the mounting seat, and an output shaft of the speed reducer is also in matched connection with the second end of the adjusting shaft through a spline; the adjusting screw rod rotates along with the adjusting shaft under the action of the adjusting shaft driving device so as to realize roll gap adjustment. The utility model discloses simple structure uses manpower sparingly, improves the roll gap and adjusts the precision.
Description
Technical Field
The utility model relates to a steel rolling equipment technical field, concretely relates to rolling mill and electronic roll gap adjusting device thereof.
Background
The rolling mill is used as main equipment on a steel hot rolling production line and is used for rolling and forming blank pieces. The rolls are important parts on a rolling mill, and a steel material is rolled by using pressure generated when a pair or a group of rolls roll. According to the actual production condition, the roll gap of the roll needs to be correspondingly adjusted.
At present, in a roll gap adjusting structure, one end of an adjusting shaft is matched with an adjusting screw rod in a gear form or a spline form, the other end of the adjusting shaft is exposed for rotary adjustment, and the adjusting screw rod is driven to rotate by rotating the adjusting shaft, so that roll gap adjustment is realized.
The applicant found in the course of research on the prior art: in the existing roll gap adjusting structure, the exposed end of the adjusting shaft is mostly manually rotated, so that the labor intensity is high, the labor is consumed, and the adjusting precision is not ideal enough.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model provides a rolling mill and electronic roll gap adjusting device thereof to the solution consumes manpower, the technical problem that the roll gap adjustment precision is low.
In order to achieve the above object, the present invention provides in a first aspect an electric roll gap adjusting device, including a mounting seat, an adjusting shaft and an adjusting screw;
the mounting seat is used for being fixed on a box body of the rolling mill;
the adjusting shaft is rotatably arranged in the mounting seat, a first end of the adjusting shaft is in fit connection with the end part of the screw rod through a spline, and a second end of the adjusting shaft is exposed for rotary adjustment;
the adjusting mechanism comprises an adjusting shaft driving device which can enable the adjusting shaft to rotate, and the adjusting shaft driving device comprises a motor and a speed reducer which is in power connection with the motor; the speed reducer is fixed on the mounting seat, and an output shaft of the speed reducer is also in matched connection with the second end of the adjusting shaft through a spline; the adjusting screw rod rotates along with the adjusting shaft under the action of the adjusting shaft driving device so as to realize roll gap adjustment.
Preferably, the output shaft of the speed reducer is a hollow shaft, the inner hole of the output shaft is a spline hole, and the second end of the adjusting shaft is provided with a spline head matched with the spline hole.
Preferably, the first end of the adjusting shaft is provided with an internal spline, and the end of the adjusting screw rod is provided with an external spline matched with the internal spline.
Preferably, an axial positioning structure is arranged between the mounting seat and the adjusting shaft, the axial positioning structure can fix the adjusting shaft at least two different axial positions, and the distance between the two axial positions is not less than the axial size of the spline between the adjusting shaft and the adjusting screw rod.
Preferably, the axial positioning structure includes setting up spring locating pin on the mount pad, and set up two at least location concave rings on the regulating spindle periphery wall, and these two the distance between the concave ring of location is not less than the regulating spindle with spline axial dimension between the accommodate the lead screw.
Has the following beneficial effects:
according to the technical scheme, the utility model provides an electronic roll gap adjusting device, the regulating spindle carries out the electric drive through regulating spindle drive arrangement, compares original manual rotation, not only uses manpower sparingly, still improves roll gap adjustment accuracy to can improve product quality.
The utility model discloses the second aspect provides a rolling mill, including box and the roll gap adjusting device of setting above that, roll gap adjusting device is foretell electronic roll gap adjusting device, then has the corresponding technological effect of above-mentioned electronic roll gap adjusting device, no longer gives unnecessary details here.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic view of an assembly structure of an electric roll gap adjusting device according to an embodiment of the present invention;
fig. 2 is a schematic perspective view of an electric roll gap adjusting device according to an embodiment of the present invention;
reference numerals
1-mounting a base; 2-adjusting the shaft; 3-adjusting the screw rod; 4-a spring locating pin; 5, a motor; 6-a speed reducer; 7-concave ring
Detailed Description
In order to make the technical solutions and advantages of the embodiments of the present application more clearly understood, the following further detailed description of the embodiments of the present application with reference to the drawings makes it clear that the described embodiments are only a part of the embodiments of the present application, and are not an exhaustive list of all the embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
Referring to fig. 1 and 2, fig. 1 is a schematic view of an assembly structure of an electric roll gap adjusting device according to an embodiment of the present invention; fig. 2 is a schematic perspective view of an electric roll gap adjusting device according to an embodiment of the present invention.
The embodiment of the utility model provides an electronic roll gap adjusting device, include, mount pad 1, regulating spindle 2, accommodate the lead screw 3 and regulating spindle drive arrangement, its structure can refer to fig. 1 and show;
the mounting seat 1 is used for being fixed on a box body of a rolling mill, and can be specifically fixed in a screw mode;
the adjusting shaft 2 is rotatably arranged in the mounting seat 1, a first end of the adjusting shaft 2 is in fit connection with the end part of the screw rod 3 through a spline, and a second end of the adjusting shaft 2 is exposed for rotary adjustment;
the adjusting shaft driving device is used for driving the adjusting shaft 2 to rotate and comprises a motor 5 and a speed reducer 6 in power connection with the motor, the speed reducer 6 is fixed on the mounting base 1, and specifically, an output shaft of the speed reducer 6 is connected with the second end of the adjusting shaft 2 in a spline fit mode.
When the roll gap needs to be adjusted, the motor 5 drives the adjusting shaft 2 to rotate through the speed reducer 6, so that the adjusting screw rod 3 is driven to rotate; the screw rod 3 is matched with other roll gap adjusting mechanisms (such as eccentric sleeves) in the roll box, the structural characteristics and the working principle of the screw rod are the same as those of the prior art, and the details are not repeated.
According to the above technical scheme, the embodiment of the utility model provides an electronic roll gap adjusting device, regulating spindle 2 pass through the regulating spindle drive arrangement electric drive, compare original manual drive, not only use manpower sparingly, still improve roll gap adjustment accuracy to product quality can be improved.
Preferably, the output shaft of the speed reducer 6 is a hollow shaft, the inner hole of the output shaft is a spline hole, and the second end of the adjusting shaft 2 is provided with a spline head matched with the spline hole, so that stable and reliable connection is realized. The spline head at the second end of the adjusting shaft 2 is in sliding fit with the spline hole of the output shaft of the speed reducer, and torque is transmitted through a key, so that the transmission gap is reduced, and the adjustment precision of the roll gap is further improved.
More preferably, the first end of the adjusting shaft 2 is provided with an internal spline, and the end of the adjusting screw rod 3 is provided with an external spline matched with the internal spline, so as to realize stable and reliable connection. Of course, the arrangement of the inner spline and the outer spline of the two can be reversed.
In the further optimized technical scheme, an axial positioning structure is arranged between the mounting seat 1 and the adjusting shaft 2, the adjusting shaft 2 can be fixed at least two different axial positions by the axial positioning structure, and the distance between the two axial positions is not less than the axial size of a spline between the adjusting shaft 2 and the adjusting screw rod 3. When the roller box is assembled and disassembled, the adjusting shaft 2 is switched between two different positions through the axial positioning structure, and the splines between the adjusting shaft 2 and the adjusting screw rod 3 are correspondingly separated and combined respectively, so that the adjusting shaft 2 is prevented from loosening, and quick assembly and disassembly can be realized.
In the specific embodiment provided by the scheme, the axial positioning structure comprises a spring positioning pin 4 arranged on the mounting seat 1 and at least two positioning concave rings 7 arranged on the outer peripheral wall of the adjusting shaft 2, and the distance between the two positioning concave rings 7 is not less than the axial size of a spline between the adjusting shaft 2 and the adjusting screw rod 3. The structure can be seen in figure 1, when the roller box is assembled and disassembled, the adjusting shaft 2 can be moved along the axial direction, and the ball in the spring positioning pin 4 is clamped in the positioning concave ring 7 to prevent the adjusting shaft 2 from loosening.
The embodiment of the utility model provides a rolling mill is still provided, including box and the roll gap adjusting device who sets up above that, its core improvement point lies in, and roll gap adjusting device is foretell electronic roll gap adjusting device.
The embodiments are described in a progressive manner in this specification, each embodiment focuses on differences from other embodiments, and the same or corresponding portions among the embodiments may be referred to each other.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (6)
1. An electric roll gap adjusting device comprises a mounting seat, an adjusting shaft and an adjusting screw rod;
the mounting seat is used for being fixed on a box body of the rolling mill;
the adjusting shaft is rotatably arranged in the mounting seat, a first end of the adjusting shaft is in fit connection with the end part of the screw rod through a spline, and a second end of the adjusting shaft is exposed for rotary adjustment;
the method is characterized in that:
the adjusting mechanism comprises an adjusting shaft driving device which can enable the adjusting shaft to rotate, and the adjusting shaft driving device comprises a motor and a speed reducer which is in power connection with the motor; the speed reducer is fixed on the mounting seat, and an output shaft of the speed reducer is also in matched connection with the second end of the adjusting shaft through a spline; the adjusting screw rod rotates along with the adjusting shaft under the action of the adjusting shaft driving device so as to realize roll gap adjustment.
2. The electric roll gap adjusting device according to claim 1, wherein the output shaft of the speed reducer is a hollow shaft, the inner hole of the output shaft is a spline hole, and the second end of the adjusting shaft is provided with a spline head matched with the spline hole.
3. The electric roll gap adjusting device according to claim 1 or 2, wherein the first end of the adjusting shaft is provided with an internal spline, and the end of the adjusting screw rod is provided with an external spline engaged with the internal spline.
4. The electric roll gap adjusting device according to claim 3, wherein an axial positioning structure is arranged between the mounting seat and the adjusting shaft, and the axial positioning structure can fix the adjusting shaft at least two different axial positions, and the distance between the two axial positions is not less than the axial dimension of a spline between the adjusting shaft and the adjusting screw rod.
5. The electric roll gap adjusting device according to claim 4, wherein the axial positioning structure comprises a spring positioning pin arranged on the mounting seat, and at least two positioning concave rings arranged on the outer peripheral wall of the adjusting shaft, and the distance between the two positioning concave rings is not less than the axial dimension of a spline between the adjusting shaft and the adjusting screw rod.
6. A rolling mill comprising a housing and a roll gap adjustment device provided thereon, wherein the roll gap adjustment device is an electric roll gap adjustment device according to any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120820544.8U CN214639124U (en) | 2021-04-21 | 2021-04-21 | Rolling mill and electric roll gap adjusting device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120820544.8U CN214639124U (en) | 2021-04-21 | 2021-04-21 | Rolling mill and electric roll gap adjusting device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214639124U true CN214639124U (en) | 2021-11-09 |
Family
ID=78465122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120820544.8U Active CN214639124U (en) | 2021-04-21 | 2021-04-21 | Rolling mill and electric roll gap adjusting device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214639124U (en) |
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2021
- 2021-04-21 CN CN202120820544.8U patent/CN214639124U/en active Active
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