CN216064874U - High-speed wire damping type laying head - Google Patents
High-speed wire damping type laying head Download PDFInfo
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- CN216064874U CN216064874U CN202122590098.9U CN202122590098U CN216064874U CN 216064874 U CN216064874 U CN 216064874U CN 202122590098 U CN202122590098 U CN 202122590098U CN 216064874 U CN216064874 U CN 216064874U
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- laying head
- hollow shaft
- damping
- main bearing
- bearing
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Abstract
The utility model discloses a high-speed wire damping type laying head, which comprises a box body, a main bearing, a hollow shaft, a laying head and a damping device, wherein the main bearing is arranged on the box body; the outer end of the hollow shaft is fixed with a spinning head, and the hollow shaft is rotatably arranged in the box body through a damping device and a main bearing; the damping device comprises a supporting roller and an elastic supporting device; the supporting rollers are positioned on the same section of the outer peripheral surface of the hollow shaft at the inner side of the main bearing; one side of the elastic supporting device is connected with the supporting roller, the other side of the elastic supporting device is connected with the box body, and the elastic supporting device is of an adjustable damping structure. The hollow shaft supporting and damping device has the advantages that the hollow shaft supporting and damping device is additionally arranged on the support structure of the laying head, so that the influence of vibration impact on equipment can be reduced, the influence of dynamic unbalance of a rotary body on a main bearing is eliminated, the dynamic unbalance allowable value of the laying head is enlarged, the running condition of the bearing is in accordance with the design of the bearing, the structure is suitable for high-speed running of the laying head, the problem of laying head disrotatory disk when the laying head runs at high speed is solved, and the service life of the bearing is prolonged.
Description
Technical Field
The utility model relates to a laying head of a high-speed wire rod production line, in particular to a laying head with a damping function.
Background
The wire-feeding machine is a machine for bending rolled pieces qualified by rolling into coils and comprises a power transmission mechanism (a spiral bevel gear pair), a supporting structure, a main bearing, a hollow shaft, a wire-feeding head and the like. At present, a cantilever type structure adopted by a spinning head is fixed on a hollow shaft, so that the working condition of a main bearing is poor. When the rotation speed of the laying head reaches 2500r/min, the vibration of the laying head is aggravated. Equipment vibrations will have serious consequences: 1. the molding quality of the laying head is influenced, the phenomenon of plate disorder occurs, and the continuous operation cannot be realized in the subsequent process production line, so that the production is interrupted. 2. The service life of the equipment is influenced, and the vibration has great harm to a bearing, a gear, a shaft and the like, so that the service life of the equipment is sharply reduced.
Disclosure of Invention
The technical problem to be solved by the utility model is to provide a laying head capable of expanding the allowable value of the unbalance.
The technical scheme adopted by the utility model is that the high-speed wire damping type laying head comprises a box body, a main bearing, a hollow shaft, a laying head and a damping device; the outer end of the hollow shaft is fixed with a spinning head, and the hollow shaft is rotatably arranged in the box body through a damping device and a main bearing.
The damping device comprises a supporting roller and an elastic supporting device; the supporting rollers are positioned on the same section of the outer peripheral surface of the hollow shaft at the inner side of the main bearing; one side of the elastic supporting device is connected with the supporting roller, the other side of the elastic supporting device is connected with the box body, and the elastic supporting device is of an adjustable damping structure.
When the damping devices are in one group, the damping devices are arranged right above the hollow shaft.
When the damping devices are two groups, the damping devices are symmetrically arranged above or below the hollow shaft along a plumb line in a left-right mode, the angle between the central shaft of the pre-tightening component and the plumb line is alpha, and the angle is 0 degrees < alpha <85 degrees.
When the four damping devices are arranged, the damping devices are symmetrically arranged above and below the hollow shaft along a plumb line in a left-right mode, the angle between the central shaft of the pre-tightening component and the plumb line is alpha, and the angle is 0 degrees < alpha <85 degrees.
The elastic supporting device is one or any combination of two components of an air cylinder, an oil cylinder or a spring.
The main bearing is a rolling bearing or an oil film bearing.
The utility model has the advantages that the hollow shaft supporting and damping device is added on the support structure of the laying head, so that the influence of vibration impact on equipment can be reduced, the influence of dynamic unbalance of a rotary body on a main bearing is eliminated, the dynamic unbalance allowable value of the laying head is enlarged, the running condition of the bearing is in accordance with the design of the bearing, the structure is suitable for high-speed running of the laying head, the problem of laying head disrotatory disk during high-speed running of the laying head is solved, and the service life of the bearing is prolonged.
Drawings
FIG. 1 is a schematic plan view of the laying head of the present invention;
FIG. 2 is a cross-sectional view taken at P-P of FIG. 1;
fig. 3a to 3c are schematic plan views of the damper mechanism of the present invention.
In the figure:
10. the box 20, the main bearing 30, the hollow shaft 40, the laying head 50 and the damping device.
Detailed Description
The utility model is described in further detail below with reference to the following figures and detailed description:
as shown in fig. 1 to 3c, the high-speed wire damping type laying head of the present invention comprises a housing 10, a main bearing 20, a hollow shaft 30, a laying head 40 and a damping device 50; the outer end of the hollow shaft 30 is fixed with a spinning head 40, the hollow shaft 30 is rotatably arranged in a box body through a damping device 50 and a main bearing 20, and the main bearing can be a rolling bearing or an oil film bearing.
The damping device 50 comprises a support roller 51 and an elastic support device 52; the supporting rollers 51 are positioned on the same section of the outer peripheral surface of the hollow shaft 30 inside the main bearing 20; one side of the elastic supporting device 52 is connected with the supporting roller 51, the other side of the elastic supporting device 52 is fixedly connected with the box body 10, the box body is also a supporting structure of the laying head, and the elastic supporting device 52 is an adjustable damping structure; the elastic supporting device 52 is one or any combination of two components of an air cylinder, an oil cylinder or a spring.
The shock absorbing devices 50 are arranged right above the hollow shaft 30 when they are in one group. As shown in fig. 3a and 3b, the damping devices 50 are arranged in two sets, symmetrically left and right above or below the hollow shaft 30 along the vertical line, and the angle between the center axis of the pretensioning member and the vertical line is α, 0 ° < α <85 °. As shown in fig. 3c, the four damper devices 50 are arranged above and below the hollow shaft 30 in bilateral symmetry along the vertical line, and the angle between the center axis of the pretensioner unit and the vertical line is α, 0 ° < α <85 °.
The utility model provides a laying head with a damping device, which is characterized in that the damping device supported by a hollow shaft is additionally arranged on a laying head supporting structure, so that even if a certain dynamic unbalance condition exists, the influence of vibration impact on equipment is reduced, the dynamic unbalance allowable value of the laying head is enlarged, the high-speed operation of the laying head is facilitated, the problem of laying head diskessement during the high-speed operation of the laying head can be solved, and the service life of a bearing can be prolonged.
It should be noted that the protection scope of the present invention is not limited to the above specific examples, and the object of the present invention can be achieved by substantially the same structure according to the basic technical concept of the present invention, and embodiments that can be imagined by those skilled in the art without creative efforts belong to the protection scope of the present invention.
Claims (7)
1. A high-speed wire damping type laying head comprises a box body, a main bearing, a hollow shaft and a laying head; the outer end of the hollow shaft is fixed with a spinning head; it is characterized by also comprising a damping device; the hollow shaft is rotatably arranged in the box body through a damping device and a main bearing.
2. The laying head of claim 1, wherein the damping means comprises a support roller and an elastic support means; the supporting rollers are positioned on the same section of the outer peripheral surface of the hollow shaft at the inner side of the main bearing; one side of the elastic supporting device is connected with the supporting roller, the other side of the elastic supporting device is connected with the box body, and the elastic supporting device is of an adjustable damping structure.
3. The laying head of claim 1 wherein the damping means, when grouped, are disposed directly above the hollow shaft.
4. The laying head of claim 1, wherein the damping means are arranged in two groups, above or below the hollow shaft, in bilateral symmetry along the vertical line, and the angle between the central axis of the pretensioning member and the vertical line is α, 0 ° < α <85 °.
5. The laying head of claim 1, wherein the damping means are arranged in four sets above and below the hollow shaft in bilateral symmetry along the vertical line, and the center axis of the pretensioning member is at an angle α of 0 ° < α <85 °.
6. The laying head of claim 2, wherein the resilient support means is one or a combination of any two of a cylinder, cylinder or spring.
7. The laying head of claim 1, wherein the main bearing is a rolling bearing or an oil film bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122590098.9U CN216064874U (en) | 2021-10-26 | 2021-10-26 | High-speed wire damping type laying head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122590098.9U CN216064874U (en) | 2021-10-26 | 2021-10-26 | High-speed wire damping type laying head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216064874U true CN216064874U (en) | 2022-03-18 |
Family
ID=80641843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122590098.9U Active CN216064874U (en) | 2021-10-26 | 2021-10-26 | High-speed wire damping type laying head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216064874U (en) |
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2021
- 2021-10-26 CN CN202122590098.9U patent/CN216064874U/en active Active
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