CN216397535U - Roller changing device for supporting roller - Google Patents
Roller changing device for supporting roller Download PDFInfo
- Publication number
- CN216397535U CN216397535U CN202123270742.0U CN202123270742U CN216397535U CN 216397535 U CN216397535 U CN 216397535U CN 202123270742 U CN202123270742 U CN 202123270742U CN 216397535 U CN216397535 U CN 216397535U
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- rolling mill
- dragging
- changing device
- driving mechanism
- linear driving
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Abstract
A supporting roll changing device relates to the technical field of metal processing equipment, in particular to a supporting roll changing device. The supporting roll changing device is simple and convenient to operate, economical and effective. The supporting roll changing device is used for changing the supporting roll of the rolling mill and comprises a linear driving mechanism, a dragging head and a dragging hook; the towing hook is connected with the rolling mill; the dragging head is connected with the output end of the linear driving mechanism; the end of the dragging head close to the rolling mill is connected with a dragging nose; the towing nose is detachably and fixedly connected with the towing hook; the bottom of the rolling mill is provided with a rolling mill roller which is arranged on the track; the length of the rail is more than twice of the width of the rolling mill.
Description
Technical Field
The utility model relates to the technical field of metal processing equipment, in particular to a roller changing device for a supporting roller.
Background
The supporting roller plays an important role in the operation process of the nonferrous metal rolling equipment. The support rolls are used for supporting the working rolls to prevent the working rolls from being subjected to flexural deformation to affect the yield and quality of rolled products. When the supporting roller is used for a long time, the supporting roller is damaged by hardening, cracking, sinking, deformation and the like, and needs to be updated and maintained in time.
In the prior art, a method of replacing a support roller by a motor drive and a hoisting roller replacement is generally adopted, and the design has the defects that a coupler is easy to damage, and the coupler as a quick-wear part needs to be replaced frequently.
Therefore, how to improve the roll changing device and reduce the maintenance cost of the supporting roll becomes a technical problem to be solved.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems, the utility model provides the supporting roller changing device which is simple and convenient to operate, economic and effective.
The technical scheme of the utility model is as follows:
a supporting roll changing device for changing the supporting roll of the rolling mill,
comprises a linear driving mechanism, a dragging head and a dragging hook;
the towing hook is connected with the rolling mill;
the dragging head is connected with the output end of the linear driving mechanism; the end of the dragging head close to the rolling mill is connected with a dragging nose; the towing nose is detachably and fixedly connected with the towing hook;
the bottom of the rolling mill is provided with a rolling mill roller which is arranged on the track; the length of the rail is more than twice of the width of the rolling mill.
The dragging head comprises a connecting cylinder and a pair of brackets, and the connecting cylinder is connected with the dragging nose;
the inner end of the support is symmetrically connected to two sides of the connecting cylinder, the outer end of the support is connected with a support caster wheel, and the support caster wheel is arranged on the track.
The connecting cylinder is provided with an internal thread, and the output end of the linear driving mechanism is provided with an external thread matched with the internal thread of the connecting cylinder.
The linear driving mechanism is a hydraulic cylinder, an oil cylinder or an air cylinder.
The towing hook is detachably connected with the rolling mill.
The supporting roll changing device provided by the utility model has the advantages that the track is additionally arranged, the linear driving mechanism is arranged on the extension line of the track, and the towing hook is arranged on the rolling mill, so that the supporting roll can be moved out of a working position through the towing hook, and the roll changing operation of the supporting roll is conveniently realized at low cost.
Drawings
Figure 1 is a schematic view of the structure of the present invention,
figure 2 is a top view of figure 1,
figure 3 is a schematic view of the working state of the utility model,
figure 4 is a schematic view of the construction of the connector barrel of the present invention,
figure 5 is a cross-sectional view of figure 4,
figure 6 is a schematic view of the construction of the linear drive mechanism of the present invention,
fig. 7 is a schematic view of the structure of the supporting roller in the present invention.
In the figure: 1 is a rolling mill, 11 is a supporting roll, 12 is a towing hook, and 13 is a rolling mill roller; 2 is a track; 3 is a linear driving mechanism, 31 is a piston rod, 32 is a base; 4 is towing head, 40 is towing nose, 41 is connecting cylinder, 42 is support, 421 is support truckle.
Detailed Description
The utility model is further described below with reference to fig. 1-7.
The supporting roll changing device of the utility model is used for changing the supporting roll 11 of the rolling mill 1,
comprises a linear driving mechanism 3, a dragging head 4 and a dragging hook 12; the linear driving mechanism 3 is fixed on the ground through a base 32;
the towing hook 12 is connected with the rolling mill 1;
the dragging head 4 is connected with the output end of the linear driving mechanism 3, the linear driving mechanism 3 can adopt a hydraulic cylinder, and the dragging head 4 is connected with a piston rod 31 of the hydraulic cylinder; the end of the dragging head 4 close to the rolling mill 1 is connected with a dragging nose 40; the towing nose 40 is detachably and fixedly connected with the towing hook 12, and is fixed through a pin shaft after being hung;
the bottom of the rolling mill 1 is provided with a rolling mill roller 13, the rolling mill roller 13 is arranged on the track 2, and the movement and the transportation of the supporting roller 11 are realized through the sliding of the rolling mill roller 13 on the track 2; the length of the rail 2 is more than twice the width of the rolling mill 1 so that the support rollers 11 can be moved out of the working position in the horizontal direction.
The dragging head 4 comprises a connecting cylinder 41 and a pair of brackets 42, and a dragging nose 40 is connected to the connecting cylinder 41;
the inner ends of the brackets 42 are symmetrically connected to the two sides of the connecting cylinder 41, the outer ends of the brackets 42 are connected with bracket casters 421, and the bracket casters 421 are arranged on the track 2. The bracket 42 is used to position the towing head 4, prevent it from shifting sideways or sinking under its own weight, and facilitate the hooking of the towing nose 40 to the towing hook 12.
The connecting cylinder 41 is provided with an internal thread, the output end of the linear driving mechanism 3 is provided with an external thread matched with the internal thread of the connecting cylinder 11, and the two are fixedly connected through the thread, so that the replacement of the dragging head 4 is facilitated.
The linear driving mechanism 3 is a hydraulic cylinder, an oil cylinder or an air cylinder.
The towing hook 12 is detachably connected with the rolling mill 1, so that the towing hook 12 matched with the supporting roll 11 for bearing is conveniently installed according to the specification of the supporting roll.
Claims (5)
1. A back-up roll changing device for a back-up roll of a rolling mill is characterized in that,
comprises a linear driving mechanism, a dragging head and a dragging hook;
the towing hook is connected with the rolling mill;
the dragging head is connected with the output end of the linear driving mechanism; the end of the dragging head close to the rolling mill is connected with a dragging nose; the towing nose is detachably and fixedly connected with the towing hook;
the bottom of the rolling mill is provided with a rolling mill roller which is arranged on the track; the length of the rail is more than twice of the width of the rolling mill.
2. A support roll changing device as claimed in claim 1, wherein the dragging head comprises a connecting cylinder and a pair of brackets, the connecting cylinder is connected with the dragging nose;
the inner end of the support is symmetrically connected to two sides of the connecting cylinder, the outer end of the support is connected with a support caster wheel, and the support caster wheel is arranged on the track.
3. A support roll changing device according to claim 2, wherein the connecting cylinder is provided with an internal thread, and the output end of the linear driving mechanism is provided with an external thread adapted to the internal thread of the connecting cylinder.
4. A backup roll changing device according to claim 1, characterized in that the linear driving mechanism is a hydraulic cylinder, an oil cylinder or an air cylinder.
5. A back-up roll changer as claimed in claim 1, wherein the tow hook is removably connected to the mill.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123270742.0U CN216397535U (en) | 2021-12-23 | 2021-12-23 | Roller changing device for supporting roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123270742.0U CN216397535U (en) | 2021-12-23 | 2021-12-23 | Roller changing device for supporting roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216397535U true CN216397535U (en) | 2022-04-29 |
Family
ID=81285402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123270742.0U Active CN216397535U (en) | 2021-12-23 | 2021-12-23 | Roller changing device for supporting roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216397535U (en) |
-
2021
- 2021-12-23 CN CN202123270742.0U patent/CN216397535U/en active Active
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