CN220862343U - Roller head connection structure - Google Patents
Roller head connection structure Download PDFInfo
- Publication number
- CN220862343U CN220862343U CN202322678781.7U CN202322678781U CN220862343U CN 220862343 U CN220862343 U CN 220862343U CN 202322678781 U CN202322678781 U CN 202322678781U CN 220862343 U CN220862343 U CN 220862343U
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- roll
- roller
- flat head
- connecting structure
- structure according
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- 238000000034 method Methods 0.000 abstract description 5
- 230000001360 synchronised effect Effects 0.000 abstract description 3
- 238000005096 rolling process Methods 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
Abstract
The utility model discloses a roller head connecting structure, which belongs to the technical field of pressure processing and is used for realizing the connection between a roller structure and a flat head sleeve body, wherein the roller structure comprises a roller part and a connecting part positioned at one axial end of the roller part, the first arc part is formed by two parts which are radially symmetrical, and the connecting structure comprises: the rectangular groove group is arranged on any part of the first arc part and at least comprises two rectangular grooves which are arranged at intervals in the axial direction. The connecting structure formed by the rectangular groove groups is arranged on the first arc part of the roller structure to replace the original arc positioning groove body, so that the contact surface of the connecting part and the flat head sleeve body can be uniformly worn in the synchronous rotation process of the roller structure and the flat head sleeve body.
Description
Technical Field
The utility model belongs to the technical field of pressure processing, and particularly relates to a roller head connecting structure.
Background
In the section bar and wire rod production, when the rolling groove of a certain rolling mill is used or the roller is damaged, the roller changing operation is carried out.
When the existing roller head connecting structure is used, due to the non-uniformity of friction loss between the roller head and the flat head sleeve, arc-shaped protrusions are generated at the positioning groove body of the roller head by the flat head sleeve, and then the roller head and the flat head sleeve cannot be assembled normally, so that roller changing efficiency is affected.
Disclosure of utility model
The utility model aims to provide a roller head connecting structure, which is used for solving the problem of the roller head connecting structure in the use process.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a roll head connection structure comprising:
The utility model provides a roll structure is used for realizing the connection between roll structure and the flat head cover body, roll structure includes roll portion and the connecting portion that is located roll portion axial one end, connecting portion includes first circular arc portion, first circular arc portion comprises radial symmetry's two parts, connecting structure includes:
The rectangular groove group is arranged on any part of the first arc part and at least comprises two rectangular grooves which are arranged at intervals in the axial direction.
Preferably, the rectangular recess extends in an axial direction.
Preferably, the length of the rectangular groove is 30mm, and the width is 25mm.
Preferably, the connecting portion further includes a first plane portion, and the two portions of the first arc portion are separated by the first plane portion.
Preferably, the flat head sleeve body comprises a second circular arc part, the second circular arc part is composed of two parts which are symmetrically arranged in the radial direction, and a stepped hole for the locking bolt to enter is formed in the second circular arc part.
Preferably, the number of the rectangular grooves corresponds to the number of the stepped holes, and the rectangular grooves are positioned based on the stepped holes.
Preferably, the flat head sleeve body further comprises a second plane part, and the two parts of the second arc part are separated through the second plane part.
Preferably, the specification of the rectangular groove is matched with the specification of the locking bolt.
Preferably, the locking bolt is fixed by a fastening screw after entering the stepped hole.
Preferably, the tightening screw has a specification of M36.
Compared with the prior art, the utility model has the beneficial effects that:
According to the application, the connecting structure formed by the rectangular groove group is arranged on the first arc part of the roller structure to replace the original arc positioning groove body, so that the contact surface of the connecting part and the flat head sleeve body is uniformly worn in the synchronous rotation process of the roller structure and the flat head sleeve body, the generation of arc bulges is avoided, and the connecting part of the roller structure can be normally and quickly arranged in the flat head sleeve body of the coupler when the roller replacing operation is carried out, and the roller replacing efficiency is improved.
Drawings
FIG. 1 is a schematic view of a conventional roll structure;
FIG. 2 is a cross-sectional view taken along line C-C of FIG. 1;
FIG. 3 is a schematic view of a roll structure according to the present application;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;
FIG. 5 is a schematic view of a sleeve body structure of the flat head;
Fig. 6 is a cross-sectional view of the flat head cover.
In the figure:
100. a roller structure; 101. a roller section; 102. a connection part; 103. a first arc portion; 104. a first planar portion;
200. A flat head sleeve body; 201. a second arc portion; 202. a second planar portion; 203. a stepped hole;
300. A first positioning groove body; 301. a second positioning groove body;
400. rectangular grooves.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, which is a schematic view of a conventional roll structure 100, the roll structure 100 includes a roll portion 101 and a connecting portion 102, wherein the connecting portion 102 is disposed at one end of the roll portion 101 and is configured as a connecting section with a subsequent flat head sleeve 200, in some embodiments, the connecting portion 102 is configured as a flat head structure, specifically, the connecting portion 102 includes a first circular arc portion 103 and a first plane portion 104, wherein the first circular arc portion 103 and the first plane portion 104 are each formed by two portions stacked radially, further, the roll structure 100 is provided with a connecting structure on the first circular arc portion 103, the connecting structure includes a first positioning groove body 300 and a second positioning groove body 301 disposed on the first circular arc portion 103, the first positioning groove body 300 and the second positioning groove body 301 are each configured as a circular arc groove body extending circumferentially, and the first positioning groove body 300 and the second positioning groove body 301 are disposed at a distance in an axial direction with reference to fig. 1 and 2, the axial distance between the two stepped holes 203 is the same as the distance between the two stepped holes 203 in the subsequent flat head sleeve body 200, the connection between the flat head sleeve body 200 and the roller structure 100 is realized by cooperating with a locking bolt, referring to fig. 5 and 6, a structural schematic diagram of the flat head sleeve body 200 is shown, the structure of the flat head sleeve body 200 is matched with the roller structure 100, namely, the flat head sleeve body 200 is provided with a second circular arc part 201 and a second flat surface part 202, the second circular arc part 201 and the second flat surface part 202 are also formed by two parts which are symmetrical in radial direction, meanwhile, an assembly interval for accommodating the connecting part 102 of the roller structure 100 is formed inside the flat head sleeve body 200, when the flat head sleeve body 200 and the connecting part 102 are assembled, the connecting part 102 of the roller structure 100 enters the assembly interval, the outer surface of the first circular arc part 103 of the connecting part 102 is adhered to the inner wall of the second circular arc part 201 of the flat head sleeve body 200, the outer surface of the first plane portion 104 of the connecting portion 102 is attached to the inner wall of the second plane portion 202 of the flat head sleeve 200, and further, the flat head sleeve 200 is further provided with a stepped hole 203 into which a locking bolt is screwed at the position of the second arc portion 201, and the roll changing step of the conventional roll structure 100 is as follows:
Firstly, loosening a locking cylinder of a rolling mill, pulling out an inlet guide and an outlet guide, pulling out or pushing in the rolling mill by using a traversing hydraulic cylinder, fixing a flat head sleeve at the end part of a universal joint shaft on a bracket, taking down an operation side roller head fixing device, loosening a connecting pin fixing nut between a roller head and the flat head sleeve, taking out the connecting pin, pulling out the rolling mill outwards to enable a flat head sleeve 200 to be separated from a connecting part 102 of a roller structure 100, lifting the rolling mill to press down a loosening bearing seat, taking out a connecting pin of a roll changing trolley and a rack, then pulling out the roller by using the roll changing trolley, changing a new roller, pushing in the roller to the rack, installing the connecting pin of the roll changing trolley and the rack, installing an operation side roller head fixing device, operating a pressing bearing seat, pushing in the rolling mill to load the flat head of the universal joint shaft into the flat head sleeve at the end part of the universal joint shaft, inserting a locking bolt between the connecting part 102 and the flat head sleeve 200 in the roller structure 100, and loosening the fixing device of the flat head sleeve at the end part of the universal joint shaft on the bracket; and then performing operations such as alignment of the rolling line, guide alignment and the like, and finishing roll changing operation.
In the production and use process of the roll structure 100, friction loss occurs between the contact surfaces of the roll structure 100 and the flat head sleeve 200 and between the connection part 102 and the flat head sleeve 200, at this time, since the connection part 102 is not in contact with the flat head sleeve 200 at the positions of the first positioning groove 300 and the second positioning groove 301, that is, abrasion is not generated between the connection part 102 and the flat head sleeve 200 at the positions of the first positioning groove 300 and the second positioning groove 301, and further, arc-shaped protrusions are formed at the positions of the first positioning groove 300 and the second positioning groove 301, due to the presence of the protrusions, the difficulty of detaching the flat head sleeve 200 and the connection part 102 and pushing the connection part 102 into the flat head sleeve 200 is increased, and only by using a travelling crane, the flat head sleeve 200 is pulled by using a steel wire rope to realize detaching and loading operation, so that the time of roll changing is greatly increased, and the production efficiency of a rolling line is greatly reduced.
Referring to fig. 3 and 4, the connection structure is designed based on the conventional roll structure 100, specifically, the connection structure is disposed at the position of the connection portion 102 of the roll structure 100, as can be seen from the above description, the first circular arc portion 103 of the connection portion 102 is formed by two radially symmetrical portions, for convenience of description, the two portions forming the first circular arc portion 103 are respectively denoted as a first portion and a second portion, the connection structure is disposed at any one of the first portion and the second portion forming the first circular arc portion 103, that is, the connection structure is disposed at the position of the first portion or the second portion, specifically, the connection structure includes two rectangular grooves extending in the axial direction, the two rectangular grooves are disposed at a distance in the axial direction, and the distance between the two rectangular grooves is adapted to the distance between the two stepped holes 203 on the flat head sleeve 200, that is, the rectangular grooves are positioned based on the stepped holes 203 on the flat head sleeve 200, illustratively, the length of a single rectangular groove body is 30mm, the width is 25mm, so that the connecting bolt (i.e. locking bolt) is conveniently installed, when the roll changing operation is performed, the first circular arc part 103 provided with the rectangular groove 400 on the connecting part 102 is aligned with the part with the stepped hole 203 in the second circular arc part 201 of the flat head cover 200, the flat head cover 200 is pushed into the connecting part 102 by using a traversing hydraulic cylinder, the rectangular groove 400 on the first circular arc part 103 is aligned with the stepped hole 203 of the flat head cover 200, then the locking bolt is inserted into the stepped hole 203, the locking bolt is fastened by using a fastening screw (such as M36), finally, the roller structure 100 and the coupler are connected, so that the installation of the rolling mill is completed, the original first positioning groove body 300 and the second positioning groove body 301 are replaced by using the connecting structure of the rectangular groove 400, in the steel rolling production process, namely in the synchronous rotation process of the roller structure 100 and the flat head sleeve body 200, the contact surface of the connecting part 102 and the flat head sleeve body 200 is uniformly worn, so that the generation of arc-shaped bulges is avoided, and when the roller changing operation is carried out, the connecting part 102 of the roller structure 100 can be normally and quickly arranged in the flat head sleeve body 200 of the coupler, and the roller changing efficiency is improved.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a roll roller head connection structure which characterized in that: the utility model provides a roll structure is used for realizing the connection between roll structure and the flat head cover body, roll structure includes roll portion and the connecting portion that is located roll portion axial one end, connecting portion includes first circular arc portion, first circular arc portion comprises radial symmetry's two parts, connecting structure includes:
The rectangular groove group is arranged on any part of the first arc part and at least comprises two rectangular grooves which are arranged at intervals in the axial direction.
2. The roll head connecting structure according to claim 1, wherein: the rectangular groove extends in an axial direction.
3. A roll head connection according to claim 1 or 2, characterized in that: the length of the rectangular groove is 30mm, and the width of the rectangular groove is 25mm.
4. The roll head connecting structure according to claim 1, wherein: the connecting portion further comprises a first plane portion, and two portions of the first arc portion are separated by the first plane portion.
5. The roll head connecting structure according to claim 1, wherein: the flat head sleeve body comprises a second arc part, the second arc part is composed of two parts which are arranged radially symmetrically, and a stepped hole for a locking bolt to enter is formed in the second arc part.
6. The roll head connecting structure according to claim 5, wherein: the number of the rectangular grooves corresponds to the number of the stepped holes, and the rectangular grooves are positioned based on the stepped holes.
7. The roll head connecting structure according to claim 6, wherein: the flat head sleeve body further comprises a second plane part, and the two parts of the second arc part are separated through the second plane part.
8. The roll head connecting structure according to claim 6, wherein: the specification of the rectangular groove is matched with the specification of the locking bolt.
9. The roll head connecting structure according to claim 5, wherein: the locking bolt is fixed through the fastening screw after entering the stepped hole.
10. The roll head connecting structure according to claim 9, wherein: the specification of the fastening screw is M36.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322678781.7U CN220862343U (en) | 2023-09-28 | 2023-09-28 | Roller head connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322678781.7U CN220862343U (en) | 2023-09-28 | 2023-09-28 | Roller head connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220862343U true CN220862343U (en) | 2024-04-30 |
Family
ID=90811243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322678781.7U Active CN220862343U (en) | 2023-09-28 | 2023-09-28 | Roller head connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220862343U (en) |
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2023
- 2023-09-28 CN CN202322678781.7U patent/CN220862343U/en active Active
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