CN219442929U - Axial adjustment structure for lower roller of cogging mill - Google Patents
Axial adjustment structure for lower roller of cogging mill Download PDFInfo
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- CN219442929U CN219442929U CN202320527088.7U CN202320527088U CN219442929U CN 219442929 U CN219442929 U CN 219442929U CN 202320527088 U CN202320527088 U CN 202320527088U CN 219442929 U CN219442929 U CN 219442929U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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Abstract
The utility model discloses a lower roller axial adjustment structure of a large-scale cogging mill, which comprises an operation side housing type frame, and also comprises a lower roller axial adjustment structure on the frame, wherein the lower roller axial adjustment structure comprises: a vertical moving frame is arranged on the operating side housing on two sides of the operating side roller shaft of the lower roller in a sliding manner; a lifting hydraulic cylinder is arranged on the frame below the vertical moving frame; the free end of the lifting hydraulic cylinder is connected with the bottom of the lower fixing part of the vertical moving frame; an oblique locking retainer is arranged on the rack at one side of the far roll shafts of the two vertical moving frames; the inclined locking retainer is provided with a boss which is arranged corresponding to the vertical moving frame towards the vertical moving frame, and a locking wedge-shaped sliding block is vertically arranged on the boss corresponding to the wedge-shaped section of the vertical moving frame in a sliding manner; the front side and the rear side of the left ear part and the right ear part of the roll shaft thrust bearing seat are abutted on the inclined planes of the vertical moving frame and the locking wedge-shaped sliding block. The structure can realize the opening and closing of the sliding direction and the expansion and contraction of the vertical direction.
Description
Technical Field
The utility model relates to a large-scale cogging mill which is universal on a rolling line in the black and nonferrous metal industry, in particular to a lower roll axial adjustment structure of the large-scale cogging mill.
Background
The cogging mill is a two-roller reversible large-sized rolling mill, has large reduction and can realize multiple passes of reciprocating rolling of billets. The intermediate billet after rolling can obtain the final specification of the profile steel product by continuous rolling, so that the cogging mill plays an important role in the profile steel rolling process. At present, a large-scale reversible traversing cogging mill is an important research and development project of the company, and the cogging mill can obtain better surface quality of a blank and theoretically realize zero scratch.
The axial adjustment structure of the lower roller of the cogging mill is a key structure for ensuring accurate alignment of rolling pass, a modularized design method is adopted in the development process, the structure is developed independently firstly, and finally, the structure is integrated with a frame body in a system.
Disclosure of Invention
In order to overcome the defects, the utility model provides an axial adjustment structure of a lower roller of a cogging mill, and the main body part of the structure is positioned on a frame at the operation side of the cogging mill, so that the structure is convenient to maintain and disassemble. The utility model has novel structural form and perfect functions, can meet the aim of easily switching two working positions of loosening and clamping, and can also realize the aim of axially and accurately adjusting the lower roller of the cogging mill. Meanwhile, the structure is compact, the system integration is strong, the cost is low, and the market attraction is excellent.
In order to achieve the above object, the present utility model provides a large-sized cogging mill lower roll axial adjustment structure comprising: an operation side housing type frame;
a vertical moving frame is arranged on the operating side housing on two sides of the operating side roller shaft of the lower roller in a sliding manner; the vertical moving frame comprises an upper fixing part, a vertically arranged wedge-shaped section and a lower fixing part which are integrally arranged, wherein the thick end of the wedge-shaped section is arranged at the lower part, and the thin end of the wedge-shaped section is arranged at the upper part;
a lifting hydraulic cylinder is arranged on the frame below the vertical moving frame; the free end of the lifting hydraulic cylinder is connected with the bottom of the lower fixing part of the vertical moving frame;
one side of the two vertical moving frames, which is far away from the U-shaped opening, is provided with an oblique locking retainer;
the oblique locking retainer is provided with more than two 45-degree sliding grooves, and is arranged on the frame in a sliding way through a locking stud penetrating through each sliding groove;
a locking hydraulic cylinder is hinged on the frame below the oblique locking retainer; the free end of the locking hydraulic cylinder is hinged with the lower end of the oblique locking retainer;
the inclined locking retainer is provided with a boss which is arranged corresponding to the vertical moving frame towards the vertical moving frame, and a locking wedge-shaped sliding block is vertically arranged on the boss corresponding to the wedge-shaped section of the vertical moving frame in a sliding manner; the inclined plane of the locking wedge-shaped sliding block is provided with two inclined directions, wherein the first inclined direction is formed by the thick end at the upper part and the thin end at the lower part, and the inclined angle of the first inclined direction is equal to the inclined angle of the wedge-shaped section of the vertical moving frame; the second inclined direction is formed by the thick end being positioned at one side of the far U-shaped opening and the thin end being positioned at one side of the near U-shaped opening;
the upper end and the lower end of the locking wedge-shaped sliding block are transversely arranged between the upper fixing part and the lower fixing part of the vertical moving frame in a sliding manner;
the wedge-shaped section of the vertical moving frame and the inclined plane of the locking wedge-shaped sliding block are arranged at intervals;
a thrust bearing seat is arranged on the operation side roller shaft of the lower roller, and the thrust bearing seat is provided with two lugs at the left and right sides; the rear sides of the two lugs are provided with inclined planes which are matched with wedge-shaped sections of the vertical moving frames at the corresponding sides; the front sides of the two lugs are provided with inclined planes which are matched with the locking wedge-shaped sliding blocks at the corresponding sides; the front side and the rear side of the left ear part and the right ear part of the roll shaft thrust bearing seat are abutted on the inclined planes of the vertical moving frame and the locking wedge-shaped sliding block.
Further, an induction plate is arranged on the inclined locking retainer, and a position detection element is arranged on the rack corresponding to the induction plate.
Further, the lifting hydraulic cylinder is provided with a linear displacement sensor.
Further, a chute is vertically arranged on the boss of the oblique locking retainer corresponding to the locking wedge-shaped sliding block; the locking wedge-shaped sliding block is characterized in that a lug matched with the sliding groove is arranged at the back of the locking wedge-shaped sliding block corresponding to the sliding groove, and the lug is arranged in the sliding groove in a sliding manner.
Furthermore, a stepped limiting slideway is horizontally arranged on one outward side of the upper fixing part and the lower fixing part of the vertical moving frame; the upper end and the lower end of the locking wedge-shaped sliding block are arranged on the stepped limiting slide way in a sliding way.
Further, limiting parts are arranged on the two sides of the inclined locking retainer backwards, and the limiting parts are arranged corresponding to the two sides of the operation side housing type frame.
The utility model has novel structure, and the two-angle inclined planes of the locking wedge-shaped sliding block are original, and the structure has the characteristics of simple operation, perfect function and accurate movement. The structure can realize the opening and closing of the sliding direction and the stretching in the vertical direction, so that the structure can be converted into the axial movement of the roller of the cogging mill, and all the requirements in the target can be designed. Meanwhile, the structure is compact, the system integration is strong, the cost is low, and the market attraction is excellent.
Drawings
Fig. 1 is a schematic view of a frame part in the present utility model.
Fig. 2 is a schematic structural view (locked state) of the embodiment of the present utility model.
Fig. 3 is a schematic view of the k-k direction of fig. 2.
Fig. 4 is a schematic view of the structure of the vertical moving frame in fig. 2.
Fig. 5 is a schematic structural view of the diagonal locking cage of fig. 2.
FIG. 6 is a schematic view of the locking wedge sled of FIG. 2; wherein fig. 6a is a side view; FIG. 6b is a front view; fig. 6c is an axial side view.
FIG. 7 is a schematic view of the position of the locking wedge sled and the vertical displacement shelf.
Fig. 8 is a schematic view of the structure of the embodiment of the present utility model (released state).
Fig. 9 is a schematic top view of fig. 2.
In the figure: 1. a position detecting element; 2. an induction plate; 3. obliquely locking the retainer; 5. locking the stud; 6. a limit screw; 7. a vertical moving frame; 9. locking a hydraulic cylinder; 10. a lifting hydraulic cylinder; 11. the hydraulic cylinder is integrated with the support; 13. locking the wedge-shaped sliding block; 14. and (5) a pin.
Detailed Description
Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Fig. 1 shows that the operation side housing frame 16 (hereinafter referred to as frame) corresponds to the lower half portion of the lower roller, and the operation side roller shaft 161 of the lower roller extends from the middle of the operation side housing frame; the roll shaft is provided with a thrust bearing seat 162; the thrust bearing is provided with ears 163 on both sides.
The utility model is based on an improvement of figure 1.
As shown in fig. 2 and 3, the axial direction adjusting structure of the large-sized cogging mill of the present utility model: the device comprises a position detection element 1, an induction plate 2, an oblique locking retainer 3, a locking stud 5, a limit screw 6, a vertical moving frame 7, a locking hydraulic cylinder 9, a lifting hydraulic cylinder 10, a hydraulic cylinder integrated support 11, a locking wedge-shaped sliding block 13 and a pin 14.
A vertical moving frame 7 is arranged on the operating side housing on two sides of the operating side roller shaft of the lower roller in a sliding manner; as shown in fig. 4, the vertical moving frame comprises an upper fixing part 71, a wedge-shaped section 72 and a lower fixing part 73, wherein the upper fixing part 71, the wedge-shaped section 72 and the lower fixing part 73 are integrally arranged; the mounting surface of the vertical moving frame 7 is closely attached to the upper sliding plate surface of the frame.
A lifting hydraulic cylinder 10 is arranged on the frame below the vertical moving frame; the free end of the lifting hydraulic cylinder 10 is connected with the bottom of the lower fixed part of the vertical moving frame 7;
an oblique locking retainer 3 is arranged on one side of the far roll shafts of the two vertical moving frames; as shown in fig. 4, the oblique locking retainer is provided with more than two 45-degree sliding grooves 31, and the oblique locking retainer is arranged on the frame in a sliding manner through locking studs penetrating through each sliding groove;
a locking hydraulic cylinder 9 is hinged on the frame below the oblique locking retainer; the free end of the locking hydraulic cylinder is hinged with the lower end of the oblique locking retainer;
the inclined locking retainer is provided with a boss 32 which is arranged corresponding to the vertical moving frame towards the vertical moving frame, and a locking wedge-shaped sliding block 13 is vertically arranged on the boss corresponding to the wedge-shaped section of the vertical moving frame in a sliding manner; a chute 33 is vertically arranged on the boss 32 corresponding to the locking wedge-shaped slide block on the boss of the inclined locking retainer; the locking wedge-shaped sliding block is characterized in that a lug matched with the sliding groove is arranged at the back of the locking wedge-shaped sliding block corresponding to the sliding groove, and the lug is arranged in the sliding groove in a sliding manner. The bump may be a long key or a plurality of pins, in this embodiment, pins 14 are used, one end of each pin 14 is disposed at the back of the locking wedge-shaped slider, and the other end is slidably disposed in the chute.
The inclined surface of the locking wedge-shaped slide block 13 has two inclined directions, as shown in fig. 5, wherein the first inclined direction is formed by the upper and lower thin ends, and the inclined angle of the first inclined direction is equal to the inclined angle of the wedge-shaped section of the vertical moving frame; the second inclined direction is formed by the thick end being positioned at one side of the far U-shaped opening and the thin end being positioned at one side of the near U-shaped opening;
as shown in fig. 7, the upper and lower ends of the locking wedge-shaped slide block 13 are arranged between the upper fixing part and the lower fixing part of the vertical moving frame 7 in a transversely sliding manner; the wedge-shaped section of the vertical moving frame and the inclined plane of the locking wedge-shaped sliding block are arranged at intervals to form a parallelogram cavity; the ears of the thrust bearing are slidably disposed in the parallelogram cavities.
The left and right ears 163 of the thrust bearing have, corresponding to the parallelogram-shaped cavity: the rear sides of the two lugs are provided with inclined planes which are matched with wedge-shaped sections of the vertical moving frames at the corresponding sides; the front sides of the two lugs are provided with inclined planes which are matched with the locking wedge-shaped sliding blocks at the corresponding sides; the front and rear sides of the left and right lugs 163 of the roll bearing block are abutted against the inclined surfaces of the vertical moving frame and the locking wedge-shaped sliding block, so that the roll bearing block can slide up and down along the parallelogram cavity, and the purpose of axial adjustment is achieved.
The position detecting element 1 is fixed on the frame 16, and the induction plate 2 is respectively fixed on the oblique locking retainer (R) 3 and the oblique locking retainer (L) 4 and is used for detecting the positions of two working positions of the structure in loosening and clamping. The position detecting element 1 and the sensing plate 2 are arranged in pairs, which is per se of the prior art; for example: the position detecting element 1 can be a photoelectric switch, and the sensing plate 2 is a shading element; alternatively, the position detecting element 1 is a proximity switch, and the sensing plate 2 is a metal plate or the like.
The diagonal locking cage 3 obtains a clamped or unclamped working position by the expansion and contraction of the locking hydraulic cylinder 9. One end of the locking stud 5 is connected with the frame, and the other end is respectively connected with the oblique locking retainers 3 and 4 through nuts for axially locking the thrust bearing seat 162.
The adjustment process comprises the following steps:
in the initial state, as shown in fig. 2, the locking hydraulic cylinder 9 is in a contracted state, and the inclined locking retainer is in a locking state under the action of the locking hydraulic cylinder 9; at the moment, the locking wedge-shaped sliding block 13 is correspondingly arranged with the wedge-shaped section on the vertical moving frame to form a parallelogram slideway; the lifting hydraulic cylinder 10 is in a middle position state, and the vertical moving frame is positioned in a middle position under the action of the lifting hydraulic cylinder 10. The two lugs of the thrust bearing seat are positioned in the parallelogram slideway; at this time, the locking stud 5 is maintained at an initial locking force to prevent the thrust bearing from being unable to be pushed.
During adjustment, the lifting hydraulic cylinder 10 is driven to enable the vertical moving frame to drive the locking wedge-shaped sliding block 13 to form parallel quadrilaterals to slide up and down, so that the lug of the thrust bearing seat is pushed forwards or backwards by utilizing a slideway formed by the parallelogram; thereby driving the thrust bearing seat and the roll shaft to move forwards and backwards so as to achieve the purpose of adjusting the axial position of the lower roll.
After the adjustment is completed, the locking stud 5 is locked to the maximum locking force to prevent pushing the thrust bearing, and the adjustment is completed.
As the service time increases, when maintenance is required, the process is as follows:
and (5) loosening the oblique locking retainer:
when the locking stud 5 is loosened and the locking hydraulic cylinder 9 is extended, the inclined locking retainer 3 slides upwards obliquely along the forty-five-degree chute, and the locking wedge-shaped sliding block 13 is contacted with the vertical slideway of the inclined locking retainer 3 through a pin. When the oblique locking retainer 3 slides obliquely upwards to limit along the forty-five-degree chute, the locking wedge-shaped sliding block 13 slides outwards to the maximum displacement along the slideway of the vertical moving frame 7. The mechanism is now in a released state for maintenance.
Oblique locking retainer clamp
When maintenance is finished, the locking hydraulic cylinder 9 is retracted, the inclined locking retainer 3 slides downwards obliquely along the forty-five-degree chute, and the locking wedge-shaped sliding block 13 is contacted with the vertical slideway of the inclined locking retainer 3 through a pin. When the oblique locking retainer 3 slides obliquely downwards to limit along the forty-five-degree chute, the locking wedge-shaped sliding block 13 slides horizontally inwards along the groove of the vertical moving frame 7 to be arranged corresponding to the wedge-shaped section of the vertical moving frame. At this point the mechanism is in a clamped state. The limit screw 6 is fixed on the oblique locking retainer through a nut, and can provide rigid support when the two move to the limit of the clamping pole. At this time, the locking stud 5 is locked, and maintenance is completed.
In summary, the main body structure of the utility model has the characteristics of simple operation, perfect function and accurate movement. The structure can realize the opening and closing of the sliding direction and the stretching in the vertical direction, so that the structure can be converted into the axial movement of the roller of the cogging mill, and all the requirements in the target can be designed. Meanwhile, the structure is compact, the system integration is strong, the cost is low, and the market attraction is excellent.
In the description of the present specification, a particular feature, structure, material, or characteristic may be combined in any suitable manner in one or more embodiments or examples.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims (1)
1. The utility model provides a cogging mill lower roll axial adjustment structure which characterized in that includes: an operation side housing type frame;
a vertical moving frame is arranged on the operating side housing on two sides of the operating side roller shaft of the lower roller in a sliding manner; the vertical moving frame comprises an upper fixing part, a vertically arranged wedge-shaped section and a lower fixing part which are integrally arranged, wherein the thick end of the wedge-shaped section is arranged at the lower part, and the thin end of the wedge-shaped section is arranged at the upper part;
a lifting hydraulic cylinder is arranged on the frame below the vertical moving frame; the free end of the lifting hydraulic cylinder is connected with the bottom of the lower fixing part of the vertical moving frame;
one side of the two vertical moving frames, which is far away from the U-shaped opening, is provided with an oblique locking retainer;
the oblique locking retainer is provided with more than two 45-degree sliding grooves, and is arranged on the frame in a sliding way through a locking stud penetrating through each sliding groove;
a locking hydraulic cylinder is hinged on the frame below the oblique locking retainer; the free end of the locking hydraulic cylinder is hinged with the lower end of the oblique locking retainer;
the inclined locking retainer is provided with a boss which is arranged corresponding to the vertical moving frame towards the vertical moving frame, and a locking wedge-shaped sliding block is vertically arranged on the boss corresponding to the wedge-shaped section of the vertical moving frame in a sliding manner; the inclined plane of the locking wedge-shaped sliding block is provided with two inclined directions, wherein the first inclined direction is formed by the thick end at the upper part and the thin end at the lower part, and the inclined angle of the first inclined direction is equal to the inclined angle of the wedge-shaped section of the vertical moving frame; the second inclined direction is formed by the thick end being positioned at one side of the far U-shaped opening and the thin end being positioned at one side of the near U-shaped opening;
the upper end and the lower end of the locking wedge-shaped sliding block are transversely arranged between the upper fixing part and the lower fixing part of the vertical moving frame in a sliding manner;
the wedge-shaped section of the vertical moving frame and the inclined plane of the locking wedge-shaped sliding block are arranged at intervals;
a thrust bearing seat is arranged on the operation side roller shaft of the lower roller, and the thrust bearing seat is provided with two lugs at the left and right sides; the rear sides of the two lugs are provided with inclined planes which are matched with wedge-shaped sections of the vertical moving frames at the corresponding sides; the front sides of the two lugs are provided with inclined planes which are matched with the locking wedge-shaped sliding blocks at the corresponding sides; the front side and the rear side of the left ear part and the right ear part of the roll shaft thrust bearing seat are abutted on the inclined planes of the vertical moving frame and the locking wedge-shaped sliding block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320527088.7U CN219442929U (en) | 2023-03-17 | 2023-03-17 | Axial adjustment structure for lower roller of cogging mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320527088.7U CN219442929U (en) | 2023-03-17 | 2023-03-17 | Axial adjustment structure for lower roller of cogging mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219442929U true CN219442929U (en) | 2023-08-01 |
Family
ID=87385441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320527088.7U Active CN219442929U (en) | 2023-03-17 | 2023-03-17 | Axial adjustment structure for lower roller of cogging mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219442929U (en) |
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2023
- 2023-03-17 CN CN202320527088.7U patent/CN219442929U/en active Active
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