CN213559138U - Roller box and rolling mill thereof - Google Patents
Roller box and rolling mill thereof Download PDFInfo
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- CN213559138U CN213559138U CN202022228577.1U CN202022228577U CN213559138U CN 213559138 U CN213559138 U CN 213559138U CN 202022228577 U CN202022228577 U CN 202022228577U CN 213559138 U CN213559138 U CN 213559138U
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- angular contact
- roll shaft
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Abstract
The utility model relates to a roll box and a rolling mill thereof, wherein the roll box comprises a roll shaft; the roll shaft is provided with a gear, a panel and a roll collar; one side of the panel is distributed with gears, and the other side is distributed with a roll collar; the roll shaft is also provided with a spherical roller bearing, an angular contact bearing, a taper sleeve and an eccentric sleeve; the roll shaft is arranged in the eccentric sleeve through a spherical roller bearing and an angular contact bearing; the spherical roller bearings are positioned at the front end and the rear end of the roll shaft; the taper sleeve is arranged on one side of the roll collar, and the roll collar is arranged on the roll shaft through the taper sleeve; the angular contact bearing is arranged at one end of the roll shaft, which is far away from the taper sleeve; damping gaskets are arranged on two sides of the angular contact bearing. Its advantages are: the utility model discloses a roll box and rolling mill thereof, installation and dismantlement that can be convenient to realize the quick replacement roll, improve work efficiency, its structure can improve life simultaneously.
Description
Technical Field
The utility model relates to a steel rolling equipment accessories technical field, in particular to roll box and rolling mill 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 middle roller box is an important component part of the wire rolling mill.
However, the prior art roll box has the following drawbacks and disadvantages:
in the rolling production, a roll collar of a roll box, which is arranged on a roll shaft, is in direct contact with rolled metal, so that the metal generates plastic deformation, the roll collar can bear larger rolling force to cause the roll shaft to be deflected and deformed, a supporting bearing of the roll box is very easy to damage, and the roll box has large bearing capacity and short service life and often needs to be maintained and replaced in a shutdown way.
Chinese patent document CN201520487512.5, application date 20150708, with patent names: a high-speed wire rod finishing roll box is disclosed, which mainly comprises a box body, a panel on the box body, a guide fixing seat connected on the panel, a sealing fixing plate connected with the guide fixing seat, a sealing plate on the sealing fixing plate, a first eccentric sleeve hole on the sealing fixing plate, an eccentric sleeve arranged in the eccentric sleeve hole, a water cooling pipe on the panel, a guide key connected with the box body and a sealing element, wherein a groove is arranged on the section of the eccentric sleeve, and an eccentric sleeve reinforcing frame is connected into a whole through a lug which is arranged on the eccentric sleeve reinforcing frame and is matched with the groove; the sealing element is connected with the eccentric sleeve; the sealing plate is provided with a second eccentric trepanning corresponding to the first eccentric trepanning, and the periphery of the sealing plate is provided with a reinforcing frame.
The high-speed wire finishing rolling box disclosed in the patent document has a good sealing effect, and the service life of the sealing element can be prolonged, namely, the replacement time is reduced from at least once every 2 weeks to at least once every 1 month; the service cycle of the finishing roller box is improved from the original replacement once every 1 month to at least 5 months; and the installation is fast and convenient. However, the technical scheme of large bearing capacity, reduced abrasion, convenient replacement and prolonged service life of the roller box is not disclosed correspondingly.
In view of the above, a roll box with large bearing capacity, reduced wear, convenient replacement and improved service life is needed. No report is made about such a roll box.
Disclosure of Invention
The utility model aims at providing a bearing capacity is big, reducing wear, and convenient the change to improve roller box life's roller box.
In order to achieve the purpose, the utility model adopts the technical proposal that:
a roll cassette comprising a roll shaft; the roll shaft is provided with a gear, a panel and a roll collar; one side of the panel is distributed with gears, and the other side is distributed with a roll collar; the roll shaft is also provided with a spherical roller bearing, an angular contact bearing, a taper sleeve and an eccentric sleeve; the roll shaft is arranged in the eccentric sleeve through a spherical roller bearing and an angular contact bearing; the spherical roller bearings are positioned at the front end and the rear end of the roll shaft; the taper sleeve is arranged on one side of the roll collar, and the roll collar is arranged on the roll shaft through the taper sleeve; the angular contact bearing is arranged at one end of the roll shaft, which is far away from the taper sleeve; damping gaskets are arranged on two sides of the angular contact bearing.
In a preferred embodiment, there are two angular contact bearings, and the two angular contact bearings are adjacently disposed.
As a preferable technical solution, the spherical roller bearing has two sizes, the spherical roller bearing with the large size is located inside the roller ring, and the spherical roller bearing with the small size is located inside the angular contact bearing.
As a preferred technical scheme, the number of the roll shafts is two, the number of the corresponding eccentric sleeves is two, and each eccentric sleeve is connected with a screw rod sliding block; the lead screw slider total two, wear to be equipped with the levogyration lead screw in one lead screw slider, wear to be equipped with the dextrorotation lead screw in another lead screw slider.
As a preferred technical scheme, the left-handed screw rod and the right-handed screw rod are symmetrically distributed, and the thread turning directions of the left-handed screw rod and the right-handed screw rod are opposite.
In order to achieve the second objective, the utility model adopts the following technical scheme:
a rolling mill comprising a mill housing and the mill housing of any one of the above embodiments; the inside of the rolling mill box body is provided with a rolling mill box.
As a preferred technical scheme, a panel of the roller box is provided with a screw and a positioning pin, and the roller box is detachably arranged on a rolling mill box body through the screw and the positioning pin.
As a preferable technical scheme, a meshing component meshed with the gear on the roller shaft in the roller box is arranged in the rolling box body.
As a preferable technical scheme, the roller box is arranged on the top surface in the rolling mill box body.
The utility model has the advantages that:
1. the utility model discloses a roll box and rolling mill thereof, installation and dismantlement that can be convenient to realize the quick replacement roll, improve work efficiency, its structure can improve life simultaneously.
2. The roll shaft is provided with a spherical roller bearing and an angular contact bearing, wherein the spherical roller bearing is positioned at the front end and the rear end of the roll shaft, can bear radial force to the roll shaft bearing, and is used for bearing axial force of the roll shaft through the angular contact bearing at the end part of the roll shaft, so that the roll shaft can bear larger rolling force in a working state, the roll shaft deflection deformation is effectively reduced, and when the roll shaft deflection deformation is carried out, the spherical roller bearing can swing at a certain angle to adapt to roll shaft deflection. Compare the tradition and adopt cylindrical roller bearing, the roller wearing and tearing in the bearing of backing on the roller ring end more are faster, the inhomogeneous wearing and tearing of whole bearing, and bearing life is low.
3. The roll shaft is arranged in the eccentric sleeve through a spherical roller bearing and an angular contact bearing. The effect of this design is: on the one hand, a mounting space is provided for the spherical roller bearing and the angular contact bearing, and on the other hand, the center distance between two adjacent roll shafts can be adjusted through the eccentric sleeves, so that the roll collars of the roll shafts can effectively work, and the utilization rate of the roll collars is improved.
Drawings
Fig. 1 is a schematic structural diagram of a roll box of the present invention.
Figure 2 is a schematic cross-sectional view of a roll cage.
Fig. 3 is a schematic view of fig. 2 taken in section a-a.
Fig. 4 is a schematic structural diagram of the screw slider.
FIG. 5 is a schematic view of the structure of the rolling mill.
Detailed Description
The invention will be further described with reference to the following examples and with reference to the accompanying drawings.
The reference numerals and components referred to in the drawings are as follows:
1. roll shaft 11. gear
12. Face plate 13. roll collar
14. Spherical roller bearing 15. angular contact bearing
16. Taper sleeve 17 damping shim
2. Eccentric bushing 21, lead screw slider
22. Left-handed screw rod 23. right-handed screw rod
4. Roll box 5. rolling mill box
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.
In the present embodiment, the terms "front", "rear", "left", "right", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description, and do not indicate or imply that the referred device or element must have a specific orientation, be configured or operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Example 1
Referring to fig. 1, fig. 1 is a schematic structural diagram of a roll box 4 according to the present invention. A roll cage 4; the roller box 4 comprises a roller shaft 1; the roll shaft 1 is provided with a gear 11, a panel 12 and a roll collar 13; the gear 11 is distributed on one side of the panel 12, and the roller ring 13 is distributed on the other side of the panel.
Referring to fig. 2, fig. 2 is a schematic cross-sectional view of the roll box 4. The roll shaft 1 is also provided with a spherical roller bearing 14, an angular contact bearing 15, a taper sleeve 16 and an eccentric sleeve 2; the roll shaft 1 is arranged in the eccentric sleeve 2 through a spherical roller bearing 14 and an angular contact bearing 15; the spherical roller bearings 14 are positioned at the front end and the rear end of the roll shaft 1; the taper sleeve 16 is arranged on one side of the roller ring 13, and the roller ring 13 is arranged on the roller shaft 1 through the taper sleeve 16; the angular contact bearing 15 is arranged at one end of the roller shaft 1 away from the taper sleeve 16; the angular contact bearings 15 are two in total, and the two angular contact bearings 15 are adjacently distributed.
The spherical roller bearing has two sizes, namely a large-size spherical roller bearing 14 is positioned on the inner side of the roller ring 13, and a small-size spherical roller bearing 14 is positioned on the inner side of the angular contact bearing 15. Damping gaskets 17 are arranged on two sides of the angular contact bearing 15.
Referring to fig. 3 and 4, fig. 3 is a schematic cross-sectional view taken along line a-a of fig. 2. Fig. 4 is a schematic structural view of the screw slider 21. The number of the roll shafts 1 is two, the number of the corresponding eccentric sleeves 2 is two, and each eccentric sleeve 2 is connected with a screw rod sliding block 21; the number of the screw rod sliding blocks 21 is two, a left-handed screw rod 22 penetrates through one screw rod sliding block 21, and a right-handed screw rod 23 penetrates through the other screw rod sliding block 21; the left-handed screw rod 22 and the right-handed screw rod 23 are symmetrically distributed, and the thread turning directions of the left-handed screw rod 22 and the right-handed screw rod 23 are opposite.
The embodiment needs to be explained as follows:
the roll shaft 1 is provided with the spherical roller bearing 14 and the angular contact bearing 15, wherein the spherical roller bearing 14 is positioned at the front end and the rear end of the roll shaft 1, can bear radial force to the roll shaft 1, and is used for bearing axial force of the roll shaft 1 through the angular contact bearing 15 at the end part of the roll shaft 1, so that when the roll shaft 1 is in a working state, the roll shaft 1 can bear larger rolling force, the flexural deformation of the roll shaft 1 is effectively reduced, and when the roll shaft 1 is in flexural deformation, the spherical roller bearing 14 can swing at a certain angle to adapt to the flexural deformation of the roll shaft 1. Compared with the traditional cylindrical roller bearing, the roller in the bearing closer to the end of the roller ring 13 is worn more quickly, the whole bearing is worn unevenly, and the service life of the bearing is short.
The roller shaft 1 is mounted in the eccentric sleeve 2 through a spherical roller bearing 14 and an angular contact bearing 15. The effect of this design is: on one hand, a mounting space is provided for the spherical roller bearing 14 and the angular contact bearing 15, and on the other hand, the center distance between two adjacent roll shafts 1 can be adjusted through the eccentric sleeve 2, so that the roll rings 13 of the roll shafts 1 work effectively, and the utilization rate of the roll rings 13 is improved.
Damping gaskets 17 are arranged on two sides of the angular contact bearing 15. The buffer is used for buffering the impact during steel rolling and prolonging the service life of the angular contact bearing 15.
The taper sleeve 16 is arranged on one side of the roller ring 13, and the roller ring 13 is arranged on the roller shaft 1 through the taper sleeve 16. The effect of this design is: the taper sleeve 16 has a protection function for the roll collar 13 and is convenient and quick to replace.
The angular contact bearings 15 are two in total, and the two angular contact bearings 15 are adjacently distributed. The effect of this design is: the adjacent angular contact bearings 15 enable the roll shaft 1 to achieve a large axial force when the roll shaft 1 is subjected to a rolling force.
The spherical roller bearing has two sizes, namely a large-size spherical roller bearing 14 is positioned on the inner side of the roller ring 13, and a small-size spherical roller bearing 14 is positioned on the inner side of the angular contact bearing 15. The effect of this design is: can bear radial force on the fore-and-aft direction of roller 1 for roller 1 both ends reach the balance, adopt the different size specification of size simultaneously, easy to assemble and change.
The number of the roll shafts 1 is two, the number of the corresponding eccentric sleeves 2 is two, and each eccentric sleeve 2 is connected with a screw rod sliding block 21; the number of the screw rod sliding blocks 21 is two, a left-handed screw rod 22 penetrates through one screw rod sliding block 21, and a right-handed screw rod 23 penetrates through the other screw rod sliding block 21. The effect of this design is: the center distance of the roll shaft 1 is adjusted through the screw rod slide block 21, and the screw rod rotates to drive the slide block to move, so that the eccentric sleeve 2 swings to adjust the center distance of the roll shaft 1.
The left-handed screw rod 22 and the right-handed screw rod 23 are symmetrically distributed, and the thread turning directions of the left-handed screw rod 22 and the right-handed screw rod 23 are opposite. The effect of this design is: when the eccentricity of the roll shaft 1 is adjusted, symmetrical adjustment can be realized.
Example 2
The present embodiment is substantially the same as embodiment 1, but with reference to fig. 5, fig. 5 is a schematic structural diagram of a rolling mill. The embodiment relates to a rolling mill, which comprises a rolling mill box body 5 and a rolling mill box 4 in the embodiment 1, wherein the rolling mill box body 5 is internally provided with the rolling mill box 4; the panel 12 of the roller box 4 is provided with a screw and a positioning pin, and the roller box 4 is detachably arranged on the rolling mill box body 5 through the screw and the positioning pin; a meshing component meshed with the gear 11 on the roll shaft 1 in the roll box 4 is arranged in the roll box 5; the roll box 4 is arranged on the top surface in the rolling mill box 5.
The embodiment needs to be explained as follows:
the rolling mill in this embodiment is provided with the roll cassette 4 in embodiment 1, so that the rolling mill is convenient to replace, and the service life is prolonged.
The panel 12 of the roller box 4 is provided with screws and positioning pins, and the roller box 4 is detachably mounted on the rolling mill box body 5 through the screws and the positioning pins. The effect of this design is: the quick connection is realized, and the installation is reliable.
And a meshing component meshed with the gear 11 on the roll shaft 1 in the roll box 4 is arranged in the roll box 5. The effect of this design is: the rolling mill box body 5 and the roll shaft 1 are fixedly connected in a gear 11 type meshing mode, and the fixing effect is exact.
The rolling box 4 is arranged on the top surface in the rolling box 5, and is convenient to install.
The utility model discloses a roll box 4 and rolling mill thereof, installation and dismantlement that can be convenient to realize the quick replacement roll, improve work efficiency, its structure can improve life simultaneously.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. A roll cassette characterized in that said roll cassette comprises a roll axis; the roll shaft is provided with a gear, a panel and a roll collar; one side of the panel is distributed with gears, and the other side is distributed with a roll collar; the roll shaft is also provided with a spherical roller bearing, an angular contact bearing, a taper sleeve and an eccentric sleeve; the roll shaft is arranged in the eccentric sleeve through a spherical roller bearing and an angular contact bearing; the spherical roller bearings are positioned at the front end and the rear end of the roll shaft; the taper sleeve is arranged on one side of the roll collar, and the roll collar is arranged on the roll shaft through the taper sleeve; the angular contact bearing is arranged at one end of the roll shaft, which is far away from the taper sleeve; damping gaskets are arranged on two sides of the angular contact bearing.
2. The roll cage of claim 1 wherein there are two angular contact bearings and two angular contact bearings are disposed adjacent to each other.
3. The roll cage of claim 1 wherein the spherical roller bearings are of two different sizes, the larger sized spherical roller bearing being located inside the roll collar and the smaller sized spherical roller bearing being located inside the angular contact bearing.
4. The roll cassette of claim 1 wherein there are two of said roll shafts, there being two corresponding eccentric sleeves, each eccentric sleeve having a lead screw slide attached thereto; the lead screw slider total two, wear to be equipped with the levogyration lead screw in one lead screw slider, wear to be equipped with the dextrorotation lead screw in another lead screw slider.
5. The roll box of claim 4, wherein the left-handed screw mandrel and the right-handed screw mandrel are symmetrically distributed, and the thread directions of the left-handed screw mandrel and the right-handed screw mandrel are opposite.
6. A rolling mill comprising a mill housing and a roll cage according to any one of claims 1 to 5; the inside of the rolling mill box body is provided with a rolling mill box.
7. The rolling mill of claim 6 wherein the face plate of the roll box is provided with screws and dowels and the roll box is removably mounted to the mill housing by means of the screws and dowels.
8. The rolling mill of claim 6, wherein the mill housing is provided with an engagement assembly for engaging with a gear on a roll shaft in the mill housing.
9. The rolling mill of claim 6 wherein said roll cage is disposed on a top surface of the mill housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022228577.1U CN213559138U (en) | 2020-10-09 | 2020-10-09 | Roller box and rolling mill thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022228577.1U CN213559138U (en) | 2020-10-09 | 2020-10-09 | Roller box and rolling mill thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213559138U true CN213559138U (en) | 2021-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022228577.1U Active CN213559138U (en) | 2020-10-09 | 2020-10-09 | Roller box and rolling mill thereof |
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| Country | Link |
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| CN (1) | CN213559138U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114210736A (en) * | 2021-10-28 | 2022-03-22 | 广东韶钢工程技术有限公司 | High-speed wire roller box repairing device and using method |
-
2020
- 2020-10-09 CN CN202022228577.1U patent/CN213559138U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114210736A (en) * | 2021-10-28 | 2022-03-22 | 广东韶钢工程技术有限公司 | High-speed wire roller box repairing device and using method |
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