CN111215451A - Upper half roller system of rolling mill - Google Patents
Upper half roller system of rolling mill Download PDFInfo
- Publication number
- CN111215451A CN111215451A CN202010186449.7A CN202010186449A CN111215451A CN 111215451 A CN111215451 A CN 111215451A CN 202010186449 A CN202010186449 A CN 202010186449A CN 111215451 A CN111215451 A CN 111215451A
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- China
- Prior art keywords
- locking
- roll
- hole
- support
- rolling mill
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
- B21B13/02—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged horizontally
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/02—Rolling stand frames or housings; Roll mountings ; Roll chocks
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
Abstract
The upper half roll system of the rolling mill comprises a rack and a plurality of supporting rolls, wherein an inner hole is formed in the rack, and the supporting rolls are connected to the inner wall of the inner hole; a preset hole communicated with the support roller is formed in the rack, a locking oil cylinder connected with the support roller is arranged in the preset hole, and a positioning guide sleeve for positioning the locking oil cylinder is arranged in the preset hole; a locking strip is arranged between the adjacent supporting rolls and fixedly connected to the inner wall of the inner hole, and fixing plates are arranged at the bottoms of the supporting rolls on the two sides and also fixedly connected to the inner wall of the inner hole; compared with the prior art, the locking oil cylinder penetrates through the rack to be connected with the supporting roller, the supporting roller is always subjected to axial tension force of the locking oil cylinder under the action of the locking oil cylinder and the locking block, the supporting roller is close to the rack to meet production requirements, and meanwhile, the guide sleeve is positioned, so that the locking oil cylinder has better stability in the use process, and the rolling quality of a steel belt is improved.
Description
Technical Field
The invention belongs to the technical field of rolling mills, and particularly relates to an upper half roll system of a rolling mill.
Background
Rolling mills are equipment for carrying out metal rolling processes and broadly refer to devices for carrying out steel rolling production processes in which rolls are members for plastically deforming metals.
The roller mainly comprises a roller body, a roller neck and a shaft head 3. The roll body is the middle part of the roll that actually participates in rolling metal. It has a smooth cylindrical or grooved surface. The roll neck is mounted in bearings and transmits the rolling force to the stand through a bearing block and a screw down device. The driving end shaft head is connected with the gear seat through a connecting shaft, and the rotating torque of the motor is transmitted to the roller. The rolls may be arranged in two, three, four or more rolls in the mill stand.
In the conventional rolling mill, the stability of the rolls determines the flatness of the rolled steel strip, and the conventional roll diameter compensating device is generally located in the lower half roll system of the rolling mill, and supports the lower half roll system to improve the flatness of the steel strip during the rolling process, while the upper half roll system also generates certain vibration during the rolling process, thereby affecting the rolling quality of the steel strip.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides the upper half roll system of the rolling mill, which has a tensioned oil cylinder, a stable structure, high efficiency and reliability.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: the upper half roll system of the rolling mill comprises a rack and a plurality of supporting rolls, wherein an inner hole is formed in the rack, and the supporting rolls are connected to the inner wall of the inner hole; a preset hole communicated with the support roller is formed in the rack, a locking oil cylinder connected with the support roller is arranged in the preset hole, and a positioning guide sleeve for positioning the locking oil cylinder is arranged in the preset hole; and adjacent locking strips are arranged between the supporting rollers and fixedly connected to the inner wall of the inner hole, fixing plates are arranged at the bottoms of the supporting rollers at two sides and are also fixedly connected to the inner wall of the inner hole.
As a preferred scheme of the invention, the end part of the locking oil cylinder is provided with a locking block, the locking block is connected with the supporting roller, a connecting hole is formed on the locking block, a matching hole connected with the connecting hole is formed on the locking oil cylinder, and cylindrical pins are arranged in the connecting hole and the matching hole.
As a preferable scheme of the present invention, the positioning guide sleeve is formed with a first groove and a second groove, the first groove is located on the outer wall of the bottom of the positioning guide sleeve, the second groove is located on the inner wall of the top of the positioning guide sleeve, and the first groove and the second groove are not on the same straight line.
As a preferable scheme of the present invention, a set screw is disposed between the positioning guide sleeve and the frame, and the set screw is connected to the first groove and the second groove.
As a preferable scheme of the invention, the inner hole structure is a right-angle inner hole structure, the right-angle inner hole forms a first step and a second step, the first step is positioned above the second step, the right-angle inner hole forms a convex structure, and the plurality of supporting rollers are positioned on the first step or the second step.
As a preferred scheme of the present invention, the plurality of support rollers include a first support roller, a second support roller, a third support roller and a fourth support roller, which are sequentially arranged, the first support roller and the fourth support roller are located on the second step, the second support roller and the third support roller are located on the first step, and the first support roller and the second support roller are symmetrically arranged with the third support roller and the fourth support roller.
As a preferred scheme of the present invention, two sides of the first supporting roller abut against the locking strip and the fixing plate, two sides of the second supporting roller abut against the locking strip, two sides of the third supporting roller also abut against the locking strip, and two sides of the fourth supporting roller abut against the locking strip and the fixing plate.
As a preferable scheme of the invention, two locking oil cylinders which are matched are arranged on one supporting roller, and the two locking oil cylinders are positioned at two ends of the supporting roller.
As a preferable scheme of the invention, a supporting roller lining plate is arranged between the supporting roller and the inner wall of the inner hole.
As a preferable scheme of the invention, an oil cylinder seat connected with the frame is arranged on the locking oil cylinder, and a fastening hole matched with the frame is formed in the oil cylinder seat.
Compared with the prior art, the invention has the beneficial effects that: the locking oil cylinder penetrates through the rack to be connected with the supporting roller, the supporting roller is always subjected to axial tension of the locking oil cylinder through the action of the locking oil cylinder and the locking block, the supporting roller is close to the rack, the production requirement is met, meanwhile, the guide sleeve is positioned, the locking oil cylinder has better stability in the using process, the locking block and the fixing plate are arranged, better stability is achieved between the supporting rollers, and the rolling quality of a steel belt is improved.
Drawings
FIG. 1 is an exploded view of the present invention;
FIG. 2 is a partial cross-sectional view of the present invention;
FIG. 3 is a side view of the present invention;
FIG. 4 is a schematic view of the structure of the gantry;
FIG. 5 is a schematic structural view of a locking cylinder;
FIG. 6 is a schematic view of the positioning guide sleeve;
reference numbers in the figures: the device comprises a rack 1, a preset hole 1-1, an inner hole 1-2, a first step 1-3, a second step 1-4, a locking oil cylinder 2, an oil cylinder seat 2-1, a fastening hole 2-2, a matching hole 2-3, a first supporting roller 3, a second supporting roller 4, a third supporting roller 5, a fourth supporting roller 6, a positioning guide sleeve 7, a first groove 7-1, a second groove 7-2, a locking block 8, a connecting hole 8-1, a cylindrical pin 9, a set screw 10, a fixing plate 11, a supporting roller lining plate 12 and a locking strip 13.
Detailed Description
The following describes embodiments of the present invention in detail with reference to the accompanying drawings.
As shown in fig. 1-6, an upper half roll system of a rolling mill comprises a frame 1 and a plurality of supporting rolls, wherein an inner hole 1-2 is formed on the frame 1, and the plurality of supporting rolls are connected to the inner wall of the inner hole 1-2; a preset hole 1-1 communicated with the support roller is formed in the rack 1, a locking oil cylinder 2 connected with the support roller is arranged in the preset hole 1-1, and a positioning guide sleeve 7 for positioning the locking oil cylinder 2 is arranged in the preset hole 1-1.
The number of the supporting rolls is designed according to actual needs, two locking oil cylinders 2 which are matched with each other are arranged on each supporting roll, the two locking oil cylinders 2 are located at two ends of each supporting roll, a supporting roll seat is arranged outside each supporting roll, the locking oil cylinders 2 are connected with the supporting roll seats, and the supporting roll seats are fixedly connected with the inner walls of the inner holes 1-2 through bolts.
The end part of the locking oil cylinder 2 is provided with a locking block 8, the locking block 8 is connected with the support roller, a connecting hole 8-1 is formed on the locking block 8, a matching hole 2-3 connected with the connecting hole 8-1 is formed on the locking oil cylinder 2, and a cylindrical pin 9 is arranged in the connecting hole 8-1 and the matching hole 2-3.
The latch segment 8 is the clamping piece structure, the latch segment 8 links to each other with locking hydro-cylinder 2 through cylindric lock 9, make the axial displacement synchronous operation of latch segment 8 and locking hydro-cylinder 2, and latch segment 8 is connected with the supporting roller seat of backing roll, through bolt or round pin fixed connection, thereby make locking hydro-cylinder 2 taut along the axial direction of locking hydro-cylinder 2 to the backing roll, thereby make the backing roll receive a straining force along the axial direction of locking hydro-cylinder 2 all the time, through the straining of locking hydro-cylinder 2, the backing roll leans on real frame 1, make the location of backing roll more accurate.
The positioning guide sleeve 7 is positioned in the preset hole 1-1, the positioning guide sleeve 7 is of a hollow structure, the locking oil cylinder 2 penetrates through the positioning guide sleeve 7, the inner wall of an inner hole of the positioning guide sleeve 7 abuts against the outer wall of the locking oil cylinder 2, a first groove 7-1 and a second groove 7-2 are formed in the positioning guide sleeve 7, the first groove 7-1 is positioned on the outer wall of the bottom of the positioning guide sleeve 7, the second groove 7-2 is positioned on the inner wall of the top of the positioning guide sleeve 7, the first groove 7-1 and the second groove 7-2 are not on the same straight line, the first groove 7-1 and the second groove 7-2 are of threaded groove structures, and the first groove 7-1 and the second groove 7-2 are positioned at two ends of the positioning guide sleeve 7.
Set screws 10 are arranged between the positioning guide sleeve 7 and the rack 1, the set screws 10 are connected with the first groove 7-1 and the second groove 7-2, the corresponding set screws 10 are arranged on the first groove 7-1 and the second groove 7-2, and the position of the positioning guide sleeve 7 is positioned, the positioning guide sleeve 7 is placed to rotate and fall off through the setting of the set screws 10, so that the locking oil cylinder 2 is guided and stabilized.
The inner hole 1-2 structure is a right-angle inner hole 1-2 structure, the right-angle inner hole 1-2 structure forms a first ladder 1-3 and a second ladder 1-4, the first ladder 1-3 is positioned above the second ladder 1-4, the right-angle inner hole 1-2 structure forms a convex structure, a plurality of supporting rollers are positioned on the first ladder 1-3 or the second ladder 1-4, and the plurality of supporting rollers are symmetrically arranged along the center of the top of the right-angle inner hole 1-2.
In the preferred embodiment, 4 supporting rollers connected with the inner hole 1-2 are arranged in the rack 1, the supporting rollers comprise a first supporting roller 3, a second supporting roller 4, a third supporting roller 5 and a fourth supporting roller 6 which are sequentially arranged, the second step 1-4 is positioned on two sides of the first step 1-3, the first supporting roller 3 and the fourth supporting roller 6 are positioned on the second step 1-4, the first supporting roller 3 and the fourth supporting roller 6 are positioned on the same horizontal height, the second supporting roller 4 and the third supporting roller 5 are positioned on the first step 1-3, the second supporting roller 4 and the third supporting roller 5 are positioned on the same horizontal height, and the first supporting roller 3, the second supporting roller 4, the third supporting roller 5 and the fourth supporting roller 6 are symmetrically arranged.
One side of a first supporting roller 3 is connected with the side wall of an inner hole 1-2, the top of the first supporting roller 3 is connected with the bottom of a second step 1-4, the bottom of the second step 1-4 is vertically arranged with the side wall of the inner hole 1-2, one side of the second supporting roller 4 is connected with the side wall of the second step 1-4, the top of the second supporting roller 4 is connected with the first step 1-3, the side wall of the second step 1-4 is vertically arranged with the first step 1-3, the top of a third supporting roller 5 is connected with the first step 1-3, one side of the third supporting roller 5 is connected with the side wall of the second step 1-4, the side wall of the second step 1-4 is vertically arranged with the first step 1-3, one side of a fourth supporting roller 6 is connected with the side wall of the inner hole 1-2, the top of the fourth supporting roller 6 is connected with the bottom of the second step 1-4, the bottom of the second ladder 1-4 is perpendicular to the side wall of the inner hole 1-2, so that the first supporting roller 3, the second supporting roller 4, the third supporting roller 5 and the fourth supporting roller 6 are connected with the frame 1 through two side faces at the same time.
The two sides of the first supporting roller 3 are abutted to the locking strips 13 and the fixing plates 11, the two sides of the second supporting roller 4 are abutted to the locking strips 13, the two sides of the third supporting roller 5 are also abutted to the locking strips 13, and the two sides of the fourth supporting roller 6 are abutted to the locking strips 13 and the fixing plates 11, so that the first supporting roller 3, the second supporting roller 4, the third supporting roller 5 and the fourth supporting roller 6 have better stability.
All be equipped with locking strip 13 between first backing roll 3, second backing roll 4, third backing roll 5 and the fourth backing roll 6, locking strip 13 fixed connection is on hole 1-2 inner wall, and first backing roll 3 and fourth backing roll 6 bottom are equipped with fixed plate 11, and fixed plate 11 is also fixed connection on hole 1-2 inner wall, and locking strip 13 passes through screw and frame 1 fixed connection, and similarly fixed plate 11 also passes through screw and frame 1 fixed connection.
A supporting roll lining plate 12 is arranged between the supporting roll and the inner wall of the inner hole 1-2, so that the supporting roll has better stability, an oil cylinder seat 2-1 connected with the frame 1 is arranged on the locking oil cylinder 2, a fastening hole 2-2 matched with the frame 1 is formed in the oil cylinder seat 2-1, a screw is arranged in the fastening hole 2-2, and the oil cylinder seat 2-1 is fixedly connected with the frame 1 under the action of the screw, so that the stability of the locking oil cylinder 2 is realized.
In the actual use process, the positioning guide sleeve 7 is prevented from being positioned in the preset hole 1-1, the positioning guide sleeve 7 is locked under the action of the set screw 10, when the locking oil cylinder 2 extends into the inner hole 1-2, the locking block 8 is sleeved on the locking oil cylinder 2, the locking block 8 clamps the supporting roller seat of the corresponding supporting roller, the locking block 8 and the locking oil cylinder 2 are connected through the cylindrical pin 9, the supporting roller seat is always stressed by force along the axial direction of the locking oil cylinder 2 to tighten the supporting roller seat, the supporting roller seat is tightly close to the rack 1, when the supporting roller needs to be replaced, the cylindrical pin 9 is taken out, the locking block 8 is taken down, the locking oil cylinder 2 is lifted back, and the supporting roller is pulled out for replacement.
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.
Although the reference numerals in the figures are used more here: the device comprises a frame 1, a preset hole 1-1, an inner hole 1-2, a first step 1-3, a second step 1-4, a locking oil cylinder 2, an oil cylinder seat 2-1, a fastening hole 2-2, a matching hole 2-3, a first supporting roller 3, a second supporting roller 4, a third supporting roller 5, a fourth supporting roller 6, a positioning guide sleeve 7, a first groove 7-1, a second groove 7-2, a locking block 8, a connecting hole 8-1, a cylindrical pin 9, a set screw 10, a fixing plate 11, a supporting roller lining plate 12, a locking strip 13 and other terms, wherein the possibility of using other terms is not excluded; these terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (10)
1. The upper half roll system of the rolling mill comprises a rack (1) and a plurality of supporting rolls, wherein an inner hole (1-2) is formed in the rack (1), and the supporting rolls are connected to the inner wall of the inner hole (1-2); the device is characterized in that a preset hole (1-1) communicated with the supporting roll is formed in the rack (1), a locking oil cylinder (2) connected with the supporting roll is arranged in the preset hole (1-1), and a positioning guide sleeve (7) for positioning the locking oil cylinder (2) is arranged in the preset hole (1-1); and a locking strip (13) is arranged between the adjacent support rollers, the locking strip (13) is fixedly connected to the inner wall of the inner hole (1-2), fixing plates (11) are arranged at the bottoms of the support rollers at two sides, and the fixing plates (11) are also fixedly connected to the inner wall of the inner hole (1-2).
2. The upper half roll system of a rolling mill according to claim 1, characterized in that the end of the locking cylinder (2) is provided with a locking block (8), the locking block (8) is connected with the support roll, a connecting hole (8-1) is formed on the locking block (8), a matching hole (2-3) connected with the connecting hole (8-1) is formed on the locking cylinder (2), and a cylindrical pin (9) is arranged in the connecting hole (8-1) and the matching hole (2-3).
3. The upper half roll system of a rolling mill according to claim 1, characterized in that the positioning guide sleeve (7) is formed with a first groove (7-1) and a second groove (7-2), the first groove (7-1) is located on the outer wall of the bottom of the positioning guide sleeve (7), the second groove (7-2) is located on the inner wall of the top of the positioning guide sleeve (7), and the first groove (7-1) and the second groove (7-2) are not on the same straight line.
4. The upper half-roll system of a rolling mill according to claim 3, characterized in that a set screw (10) is provided between the positioning guide (7) and the stand (1), the set screw (10) being connected to the first recess (7-1) and the second recess (7-2).
5. The upper half roll system of a rolling mill according to claim 1, characterized in that the inner hole (1-2) structure is a right-angle inner hole (1-2) structure, the right-angle inner hole (1-2) forms a first step (1-3) and a second step (1-4), the first step (1-3) is positioned above the second step (1-4), the right-angle inner hole (1-2) forms a convex structure, and the plurality of support rolls are positioned on the first step (1-3) or the second step (1-4).
6. The upper half roll system of a rolling mill according to claim 5, wherein the plurality of support rolls comprise a first support roll (3), a second support roll (4), a third support roll (5) and a fourth support roll (6) which are sequentially arranged, the first support roll (3) and the fourth support roll (6) are positioned on the second ladder (1-4), the second support roll (4) and the third support roll (5) are positioned on the first ladder (1-3), and the first support roll (3), the second support roll (4), the third support roll (5) and the fourth support roll (6) are symmetrically arranged.
7. The upper half-roll system of a rolling mill according to claim 6, characterized in that the first support roll (3) is flanked by the locking strip (13) and the fixed plate (11), the second support roll (4) is flanked by the locking strip (13), the third support roll (5) is flanked by the locking strip (13), and the fourth support roll (6) is flanked by the locking strip (13) and the fixed plate (11).
8. The upper half roll system of a rolling mill according to claim 1, characterized in that two locking cylinders (2) are provided on one of the support rolls, the two locking cylinders (2) being located at both ends of the support roll.
9. The upper roll set of a rolling mill according to claim 1, characterized in that support roll linings (12) are provided between the support rolls and the inner wall of the inner bore (1-2).
10. The upper half roll system of a rolling mill according to claim 1, characterized in that the locking cylinder (2) is provided with a cylinder base (2-1) connected with the stand (1), and the cylinder base (2-1) is provided with a fastening hole (2-2) adapted with the stand (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010186449.7A CN111215451A (en) | 2020-03-17 | 2020-03-17 | Upper half roller system of rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010186449.7A CN111215451A (en) | 2020-03-17 | 2020-03-17 | Upper half roller system of rolling mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111215451A true CN111215451A (en) | 2020-06-02 |
Family
ID=70826913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010186449.7A Pending CN111215451A (en) | 2020-03-17 | 2020-03-17 | Upper half roller system of rolling mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111215451A (en) |
-
2020
- 2020-03-17 CN CN202010186449.7A patent/CN111215451A/en active Pending
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