CN211330792U - Pressing gap adjusting mechanism for metallurgical straightening - Google Patents
Pressing gap adjusting mechanism for metallurgical straightening Download PDFInfo
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- CN211330792U CN211330792U CN201921892316.0U CN201921892316U CN211330792U CN 211330792 U CN211330792 U CN 211330792U CN 201921892316 U CN201921892316 U CN 201921892316U CN 211330792 U CN211330792 U CN 211330792U
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Abstract
The utility model discloses a pressing clearance adjusting mechanism for metallurgy straightening, which comprises a fixed beam, wherein the inside of the fixed beam is vertically movably connected with a pressing screw with a pressing nut, the pressing screw is in threaded connection and clearance fit with the pressing nut, the two ends of the pressing screw extend out of the outer side of the fixed beam, one end of the pressing screw is rotatably connected with a clearance adjusting device, the clearance adjusting device is fixedly connected with the pressing nut, the clearance adjusting device is in threaded connection with one end of the fixed beam, and when the clearance adjusting device is screwed relative to the fixed beam, the clearance disappears; the clearance adjusting device comprises a gland, the gland is provided with external threads, one end of the fixed beam is provided with internal threads, and the pressing screw axially penetrates out of the gland; the outer surface of the pressing nut is in threaded connection with a worm which is fixedly connected with a motor. The utility model provides an among the prior art there is the clearance between screw and the nut down, cause the idle stroke when having the relative motion starting between screw and the nut down to the big problem of error of amount of rolling down.
Description
Technical Field
The utility model belongs to the technical field of metallurgical rolling, concretely relates to metallurgical aligning is with pushing down clearance adjustment mechanism.
Background
In the field of steel rolling in the metallurgical industry, devices for adjusting the rolling reduction through the pressing screw and the nut in a multi-roll straightener are applied to a large number of applications, the accuracy of the rolling reduction is an important detection index, but the error of the rolling reduction is large and the accuracy of rolling or straightening of a strip is adversely affected because the pressing screw and the pressing nut are matched to form an inevitable gap, so that the idle stroke of relative motion starting exists between the pressing screw and the pressing nut, and the gap between the pressing screw and the nut is adjusted reliably.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a metallurgical aligning is with pushing down clearance adjustment mechanism has solved and has had the clearance between screw and the nut down among the prior art, causes to push down the idle stroke when having the relative motion starting between screw and the nut down to the big problem of error of decrement.
The technical scheme adopted by the utility model is a screwdown clearance adjusting mechanism for metallurgy straightening, which comprises a fixed beam, wherein the fixed beam is vertically movably connected with a screwdown screw with a screwdown nut in the inner part, the screwdown screw is in threaded connection and clearance fit with the screwdown nut, the two ends of the screwdown screw extend out of the outer side of the fixed beam, one end of the screwdown screw is rotatably connected with a clearance adjusting device, the clearance adjusting device is fixedly connected with the screwdown nut, the clearance adjusting device is in threaded connection with one end of the fixed beam, and when the clearance adjusting device is screwed relative to the fixed beam, the clearance;
the clearance adjusting device comprises a gland, the gland is provided with external threads, one end of the fixed beam is provided with internal threads, and the pressing screw axially penetrates out of the gland;
the outer surface of the pressing nut is in threaded connection with a worm which is fixedly connected with a motor.
The utility model discloses a characteristics still lie in:
the screw down is provided with a connecting sleeve, an adjusting nut and a bearing in sequence along the axial direction, the connecting sleeve is fixedly connected with the screw down nut, the connecting sleeve is in threaded connection with the adjusting nut, the adjusting nut is fixedly connected with the bearing, a concave platform is arranged in the gland along the circumferential direction of the screw down, and the bearing is fixedly connected on the concave platform.
Still include a plurality of dish springs that pile up, dish spring both ends joint bearing and concave station respectively.
The number of disc springs stacked is three.
The coupling sleeve is in threaded connection with the pressing nut.
The utility model has the advantages that:
the utility model provides a safe and reliable scheme for adjusting the pressing gap, which firstly adds an adjusting nut device which can synchronously rotate with the pressing nut, wherein the adjusting nut device comprises a gland, an adjusting nut, a bearing and a disc spring group, when the adjusting nut device is installed, the disc spring group and the adjusting nut are reasonably configured by adjusting the position of the gland, the pressing screw is compressed by the adjusting nut, and the pressing screw is tightly attached to the surfaces of the upper nut and the lower nut of the pressing nut, thereby eliminating the pressing gap and ensuring the accuracy of the stroke in the lifting process of the pressing screw; the adjusting nut is indirectly connected with the pressing nut through the internal and external threads, and when the adjusting nut is adjusted in place, the adjusting nut and the pressing nut can synchronously rotate, so that the position stability after adjustment is ensured; and the disc spring device is matched with the adjusting nut, so that the movement of the pressing screw has a buffering effect, the thread impact is eliminated, the structure is optimized finally, the connecting sleeve is added to ensure that the pressing nut and the adjusting nut are indirectly connected and synchronously rotated, the process of processing internal threads on the pressing nut is avoided, and the manufacturing cost is reduced.
Drawings
FIG. 1 is a schematic structural view of a pressing gap adjusting mechanism for metallurgical straightening according to the present invention.
In the figure, 1 is a pressing nut, 2 is a pressing screw, 3 is a connecting sleeve, 4 is an adjusting nut, 5 is a disc spring, 6 is a bearing, 7 is a worm, 8 is a gland and 9 is a fixed beam.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model provides a pair of metallurgical aligning is with pushing down clearance adjustment mechanism, as shown in fig. 1, a metallurgical aligning is with pushing down clearance adjustment mechanism, including fixed beam 9, the inside vertical swing joint of fixed beam 9 has the screw down 2 of screw down 1, screw down 2 with 1 threaded connection of screw down nut and clearance fit, the screw down 2 both ends extend the fixed beam 9 outside, wherein the clearance adjustment device of one end swivelling joint, clearance adjustment device and 1 fixed connection of screw down nut, clearance adjustment device and 9 one end threaded connection of fixed beam, when clearance adjustment device screwed relative fixed beam 9, the clearance disappeared. The clearance adjusting device comprises a gland 8, the gland 8 is provided with external threads, one end of a fixed beam 9 is provided with internal threads, and the gland 8 is axially penetrated out of a screw pressing screw 2. The screw 2 is provided with a connecting sleeve 3, an adjusting nut 4 and a bearing 6 in sequence along the axial direction, the connecting sleeve 3 is fixedly connected with the screw 1, and specifically, the connecting sleeve 3 is connected with the screw 1 through a bolt. The connecting sleeve 3 is in threaded connection with the adjusting nut 4, the adjusting nut 4 is fixedly connected with the bearing 6, a concave platform 10 is arranged in the gland 8 along the circumferential direction of the screw 2, and the bearing 6 is fixedly connected on the concave platform 10. The disc spring device further comprises three stacked disc springs 5, and two ends of each disc spring 5 are respectively clamped with the bearing 6 and the concave platform 10. The outer surface of the screw-down nut 1 is connected with a worm 7 in a threaded manner, and the worm 7 is fixedly connected with a motor.
The working principle of the utility model is that the screw down device is installed in the fixed beam 9, after the device is assembled, firstly the disc spring 5 is adjusted to be reasonably configured with the adjusting nut 4, the adjusting nut 4 is ensured to have sufficient space for moving up and down, meanwhile, the whole mechanism keeps damping, then the position of the gland 8 is adjusted, concretely, the gland 8 is rotated to enable the gland 8 to be gradually close to the fixed beam 9, at the moment, the adjusting nut 4 is enabled to compress the pressing screw 2 to move upwards, the pressing screw 2 moves upwards gradually, when the pressing screw 2 is clung to the upper and lower nut surfaces of the pressing nut 1, the pressing gap is eliminated, thus the accuracy of the stroke in the lifting process of the pressing screw is ensured, the connecting sleeve 3 is fixed with the pressing nut 1 and is connected with the adjusting nut 4 through the internal and external threads, the adjusting nut 4 can synchronously rotate when the pressing nut 1 rotates, at the moment, the motor provides power for the worm 7, the worm 7 is meshed with a worm wheel on the outer side of the pressing nut 1, the pressing nut 1 is rotated, and the pressing screw 2 is driven to move up and down to provide pressing amount.
The utility model discloses a point lies in eliminating the clearance that pushes down nut 1 and screw 2, and how motor drive worm 7 is not the utility model discloses in the scope, simultaneously, the technique of motor drive worm has been very mature, belongs to prior art.
The utility model provides a safe and reliable's scheme in clearance is pushed down in adjustment has solved and has had the clearance between screw and the nut under the pressure among the prior art, causes to push down the idle stroke when there is relative motion starting between screw and the nut under the pressure to the big problem of error of decrement.
Claims (5)
1. The screw-down clearance adjusting mechanism for metallurgical straightening is characterized by comprising a fixed beam (9), wherein the fixed beam (9) is vertically and movably connected with a screw-down screw (2) with a screw-down nut (1) in a vertical manner, the screw-down screw (2) is in threaded connection and clearance fit with the screw-down nut (1), two ends of the screw-down screw (2) extend out of the outer side of the fixed beam (9), one end of the screw-down screw is rotatably connected with a clearance adjusting device, the clearance adjusting device is fixedly connected with the screw-down nut (1), the clearance adjusting device is in threaded connection with one end of the fixed beam (9), and when the clearance adjusting device is screwed relative to the fixed beam (9), a clearance disappears;
the clearance adjusting device comprises a gland (8), the gland (8) is provided with external threads, one end of the fixed beam (9) is provided with internal threads, and the screw-down (2) axially penetrates out of the gland (8);
the outer surface of the pressing nut (1) is in threaded connection with a worm (7), and the worm (7) is fixedly connected with a motor.
2. A reduction gap adjusting mechanism for metallurgical straightening as claimed in claim 1, wherein the reduction screw (2) is provided with a coupling sleeve (3), an adjusting nut (4) and a bearing (6) in sequence along the axial direction, the coupling sleeve (3) is fixedly connected with the reduction screw (1), the coupling sleeve (3) is in threaded connection with the adjusting nut (4), the adjusting nut (4) is fixedly connected with the bearing (6), the gland (8) is internally provided with a concave platform (10) along the circumferential direction of the reduction screw (2), and the bearing (6) is fixedly connected with the concave platform (10).
3. A pressure gap adjusting mechanism for metallurgical straightening as set forth in claim 2, characterized in that it further comprises a plurality of stacked disc springs (5), and both ends of the disc springs (5) are respectively connected with the bearing (6) and the concave table (10) in a clamping manner.
4. A reduction gap adjusting mechanism for metallurgical straightening according to claim 3, characterized in that the number of the disc springs (5) stacked is three.
5. A reduction gap adjusting mechanism for metallurgical straightening according to claim 4, characterized in that the coupling sleeve (3) is bolted to the reduction nut (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921892316.0U CN211330792U (en) | 2019-11-05 | 2019-11-05 | Pressing gap adjusting mechanism for metallurgical straightening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921892316.0U CN211330792U (en) | 2019-11-05 | 2019-11-05 | Pressing gap adjusting mechanism for metallurgical straightening |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211330792U true CN211330792U (en) | 2020-08-25 |
Family
ID=72103805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921892316.0U Active CN211330792U (en) | 2019-11-05 | 2019-11-05 | Pressing gap adjusting mechanism for metallurgical straightening |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211330792U (en) |
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2019
- 2019-11-05 CN CN201921892316.0U patent/CN211330792U/en active Active
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