CN213079543U - Multi-stand continuous rolling mill set - Google Patents
Multi-stand continuous rolling mill set Download PDFInfo
- Publication number
- CN213079543U CN213079543U CN202021301418.3U CN202021301418U CN213079543U CN 213079543 U CN213079543 U CN 213079543U CN 202021301418 U CN202021301418 U CN 202021301418U CN 213079543 U CN213079543 U CN 213079543U
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- China
- Prior art keywords
- frame
- memorial archway
- roll
- mobile station
- servo valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000005096 rolling process Methods 0.000 title claims abstract description 43
- 238000007664 blowing Methods 0.000 claims abstract description 4
- 238000003825 pressing Methods 0.000 claims description 18
- 238000003860 storage Methods 0.000 abstract description 2
- 238000003754 machining Methods 0.000 abstract 1
- 238000009749 continuous casting Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000010008 shearing Methods 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000010960 cold rolled steel Substances 0.000 description 2
- 238000005097 cold rolling Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Metal Rolling (AREA)
Abstract
The utility model relates to a multi-frame continuous rolling unit, the on-line screen storage device comprises a base, install blowing frame on the base in order, the levelling machine, four six rolling mills, flying shear and blanking platform, six rolling mills include two backing rolls, two middle rolls, two work rolls, two removal platforms and frame memorial archways, and frame memorial archway symmetry is installed on the base, the first half of frame memorial archway is equipped with removal platform one, and has laid backing roll, middle roll and work roll from the top down in the removal platform one, and frame memorial archway lower half is equipped with removal platform two, and has laid backing roll, middle roll and work roll from the bottom up in the removal platform two, frame memorial archway one side upper end is equipped with first servo valve, and the frame memorial archway upper end of opposite side is equipped with the second servo valve. The utility model discloses can improve the machining precision of rolling mill and the straightness of plate-type, improve work roll running condition, the operation is stable, and degree of automation is high.
Description
Technical Field
The utility model relates to a rolling mill processing field specifically is multimachine frame continuous rolling unit.
Background
The steel produced by the rolling method has the advantages of high productivity, multiple types, easy automation and the like, wherein the cold-rolled steel product has good surface quality and low roughness, and can be endowed with various special surfaces of plates and strips as required; the cold rolling can also obtain extremely thin strips which cannot be produced by hot rolling; the cold rolled steel has the advantages of precise size, uniform thickness, straight plate shape, good performance, higher strength, good deep drawing performance and the like; the cold rolling also enables high-speed continuous rolling, and therefore has high productivity.
The thin slab continuous casting and rolling unit disclosed in publication No. CN209334440U comprises a continuous casting machine, a rough rolling unit, a first shearing machine, a first push-type stacking device, a finish rolling unit, a strip cooling device and a coiling machine, a second shearing machine and a second push-type stacking device, wherein the continuous casting machine, the second shearing machine, the second push-type stacking device, the rough rolling unit, the first shearing machine, the first push-type stacking device, the finish rolling unit, the strip cooling device and the coiling machine are sequentially connected. The shearing machine and the pushing type stacking device are arranged between the continuous casting machine and the rough rolling unit and between the rough rolling unit and the finishing rolling unit respectively, so that buffer sections are formed between the continuous casting machine and the rough rolling unit and between the rough rolling unit and the finishing rolling unit respectively, the flexibility between the continuous casting section and the rolling section can be further improved by the arrangement mode of the double buffer sections, particularly, when the finishing rolling unit breaks down, the buffer time for accident handling is prolonged, and the production operation flexibility of the whole strip rolling unit is greatly improved.
In the prior art, the capacity of a working roll of a rolling mill for controlling the plate shape is weak, the working roll bears bending moment for a long time in the working process, certain bending deformation is easily generated, the processing precision and the plate shape flatness are influenced, and the running stability of equipment is poor.
SUMMERY OF THE UTILITY MODEL
The utility model provides a multi-frame continuous rolling unit is in order to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
multimachine frame continuous rolling unit, the on-line screen storage device comprises a base, install blowing frame, levelling machine, six rolling mills in order on the base, flying shear and blanking platform, six rolling mills include two backing rolls, two middle rolls, two work rolls, two mobile stations and frame memorial archways, frame memorial archway symmetry is installed on the base, and first half of frame memorial archway is equipped with mobile station one, and has laid backing roll one, middle roll one and work roll one from the top down in the mobile station one, and frame memorial archway lower half branch is equipped with mobile station two, and has laid backing roll two, middle roll two and work roll two from the bottom up in the mobile station two, frame memorial archway one side upper end is equipped with first servo valve, and the frame memorial archway upper end of opposite side is equipped with the second servo valve.
As a further aspect of the present invention: the guide rail of the moving table is arranged on the upper portion and the lower portion of the inner side of the rack housing, a pressing hydraulic cylinder is connected to the upper portion of the moving table and is installed on the rack housing through a pressing installation plate, a pressing hydraulic cylinder is connected to the lower portion of the moving table and is installed on the rack housing through a pressing installation plate, and the pressing hydraulic cylinder are connected with a first servo valve.
As a further aspect of the present invention: the supporting roller is installed in the bearing seat through a double-row angular contact ball bearing, and the bearing seat is fixedly installed in the mobile station.
As a further aspect of the present invention: one end of the middle roller is connected with a single-action hydraulic cylinder, the other end of the middle roller is installed in the roller rail, and the single-action hydraulic cylinder is connected with the second servo valve.
As a further aspect of the present invention: one end of the working roll is connected with a connecting shaft, the connecting shaft is connected with a variable frequency motor through a coupler, the variable frequency motor is installed in the mobile station, and the working diameter of the working roll is smaller than the diameter of the largest section of the middle roll.
As a further aspect of the present invention: the feeding frame, the leveling machine, the first servo valve, the second servo valve, the variable frequency motor and the flying shear are all electrically connected with the control console.
Compared with the prior art, the beneficial effects of the utility model are that:
the bending deflection of the working roll can be effectively reduced by adjusting the axial displacement of the middle roll, the running condition of the working roll is improved, the working roll with small diameter is selected to improve the processing precision of the rolling mill and the flatness of the plate shape, the rotating speed of the working roll is reasonably adjusted by the variable frequency motor to press roll workpieces, and the servo valve is flexibly matched with the hydraulic cylinder to drive the working roll to process workpieces with different thicknesses. The utility model discloses the operation is stable, and degree of automation is high.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a view taken along line A of FIG. 1;
FIG. 3 is a schematic structural view of the six-high rolling mill of the present invention;
fig. 4 is a partial view of the present invention at position B.
The labels in the figure are:
1-a discharge frame, 2-a leveler, 3-a control console, 4-a six-roller mill, 410-a first servo valve, 411-a pressing hydraulic cylinder, 412-a pressing mounting plate, 413-a pressing hydraulic cylinder, 414-a pressing mounting plate, 420-a second servo valve, 421-a single-acting hydraulic cylinder, 430-a supporting roller, 4301-a first supporting roller, 4302-a second supporting roller, 431-a double-row angular contact ball bearing, 432-a bearing seat, 440-a middle roller, 4401-a first middle roller, 4402-a second middle roller, 441-a roller rail, 450-a working roller, 4501-a first working roller, 4502-a second working roller, 451-a shaft coupling, 453-a motor, 460-a moving platform, 461-a moving platform I, 462-a moving platform II, 470-machine frame memorial archway, 471-guide rail, 5-flying shear, 6-blanking table and 7-base.
Detailed Description
As shown in the figure, multi-frame continuous rolling mill group, including base 7, install blowing frame 1 on the base 7 in order, levelling machine 2, six rolling mill 4, flying shear 5 and blanking platform 6, six rolling mill 4 include two backing roll 430, two middle rolls 440, two work rolls 450, two removal platforms 460 and frame memorial archway 470, frame memorial archway 470 symmetry is installed on base 7, frame memorial archway 470 first part is equipped with removal platform 461, and from the top down has laid in removal platform 461 backing roll 4301, middle roll 4401 and work roll 4501, and frame memorial archway 470 lower half part branch is equipped with removal platform two 462, and has laid in removal platform two 462 from the bottom up has backing roll two 4302, middle roll two 4402 and work roll two 4502, frame memorial archway 470 one side upper end is equipped with first servo valve 410, and the frame memorial archway 470 upper end of opposite side is equipped with second servo valve 420.
The support roller 430 is mounted in a bearing housing 432 by a double row angular contact ball bearing 431, and the bearing housing 432 is fixedly mounted in the movable stage 460.
One end of the middle roller 440 is connected with a single-acting hydraulic cylinder 421, the other end is arranged in the roller rail 441, and the single-acting hydraulic cylinder 421 is connected with the second servo valve 420.
One end of the working roll 450 is connected with a connecting shaft 451, the connecting shaft 451 is connected with a variable frequency motor 453 through a coupling 452, the variable frequency motor 453 is installed in the moving platform 460, and the working diameter of the working roll 450 is smaller than the diameter of the largest section of the intermediate roll 440.
The feeding frame 1, the leveler 2, the first servo valve 410, the second servo valve 420, the variable frequency motor 453 and the flying shear 5 are all electrically connected with the console 3.
The working principle of the utility model is as follows, according to the thickness of the workpiece, the control console 3 controls the press-down hydraulic cylinder 411 and the press-up hydraulic cylinder 413 through the first servo valve 410, the press-down hydraulic cylinder 411 drives the first mobile station 461 downwards to move, the first working roller 4501 in the first mobile station 461 reaches the preset working position, the press-up hydraulic cylinder 413 drives the second mobile station 462 upwards to move, the second working roller 4502 in the second mobile station 462 reaches the preset working position, the first mobile station 461 and the second mobile station 462 move along the vertical direction in the guide rail 471 in the rack housing 470, the control console 3 simultaneously opens the discharging frame 1, the leveler 2, the variable frequency motor 453 and the flying shear 5, the transmission speed of the workpiece is matched with the discharging frame 1, the leveler 2 and the running speed of the flying shear 5, the workpiece enters the leveler 2 from the output end of the discharging frame 1 to be corrected, the workpiece enters the flying shear 5 through the compression roller of the six-roller mill 4 to be cut off to obtain the finished product, and finally collecting the finished product in a blanking table 6, closing the material placing frame 1, the leveling machine 2, the variable frequency motor 453 and the flying shear 5 after the processing is finished, and automatically resetting the hydraulic cylinder.
In this embodiment, the second servo valve 420 is controlled by the console 3 to drive the single-acting hydraulic cylinder 421, the single-acting hydraulic cylinder 421 pulls the middle roller 440 to move along the roller axis direction, the moving direction of the first middle roller 4401 is opposite to that of the second middle roller 4402, so that the middle roller 440 and the working roller 450 can be in beneficial contact when a workpiece is processed, the axial acting force between the two is used for reducing the bending deformation when the working roller 450 is processed, the contact stress between the working roller 450 and the workpiece is uniformly distributed, the processing precision and the plate flatness of the workpiece are ensured, and the working roller with a small diameter can process the workpiece more flexibly by matching with the variable frequency motor 453 under the condition of meeting the rigidity of the working roller. While the work rolls 450, the intermediate rolls 440, and the backup rolls 430 are rotating in the roll axis direction, most of the mechanical vibration generated when the work rolls 450 process a workpiece is transmitted from the intermediate rolls 440 in contact therewith to the backup rolls 430, and the backup rolls 430 compensate for the bearing housing 432 by the double-row angular contact ball bearings 431, so that the six-high rolling mill 4 operates stably.
Claims (6)
1. Multimachine frame continuous rolling unit, including base (7), install blowing frame (1) on base (7) in order, levelling machine (2), six rolling mill (4), flying shear (5) and blanking platform (6), its characterized in that:
six rolling mill (4) include two backing roll (430), two middle rollers (440), two work rolls (450), two mobile station (460) and frame memorial archway (470), frame memorial archway (470) symmetry is installed on base (7), the first half of frame memorial archway (470) is equipped with mobile station (461), and has laid backing roll one (4301), middle roller one (4401) and work roll one (4501) from the top down in mobile station one (461), and has laid mobile station two (462) in the mobile station two (462) from the bottom up, middle roller two (4402) and work roll two (4502), frame memorial archway (470) one side upper end is equipped with first servo valve (410), and the frame memorial archway (470) upper end of opposite side is equipped with second servo valve (420).
2. The multi-stand continuous rolling mill train according to claim 1, characterized in that: the frame memorial archway (470) inboard guide rail (471) that all is provided with mobile station (460) from top to bottom, mobile station (461) top is connected with down pneumatic cylinder (411), install on frame memorial archway (470) through pushing down mounting panel (412) down pneumatic cylinder (411), mobile station two (462) below is connected with presses up pneumatic cylinder (413), install on frame memorial archway (470) through pressing up mounting panel (414) down pneumatic cylinder (411), it all is connected with first servo valve (410) to press pneumatic cylinder (413) and press up pneumatic cylinder (413).
3. The multi-stand continuous rolling mill train according to claim 1, characterized in that: the supporting roller (430) is installed in a bearing seat (432) through a double-row angular contact ball bearing (431), and the bearing seat (432) is fixedly installed in the mobile platform (460).
4. The multi-stand continuous rolling mill train according to claim 1, characterized in that: one end of the middle roller (440) is connected with a single-action hydraulic cylinder (421), the other end of the middle roller is installed in the roller rail (441), and the single-action hydraulic cylinder (421) is connected with the second servo valve (420).
5. The multi-stand continuous rolling mill train according to claim 1, characterized in that: one end of the working roll (450) is connected with a connecting shaft (451), the connecting shaft (451) is connected with a variable frequency motor (453) through a coupler (452), the variable frequency motor (453) is installed in the moving platform (460), and the working diameter of the working roll (450) is smaller than the diameter of the largest section of the middle roll (440).
6. The multi-stand continuous rolling mill train according to claim 1, characterized in that: the automatic leveling device is characterized in that the feeding frame (1), the leveling machine (2), the first servo valve (410), the second servo valve (420), the variable frequency motor (453) and the flying shear (5) are electrically connected with the control console (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021301418.3U CN213079543U (en) | 2020-07-06 | 2020-07-06 | Multi-stand continuous rolling mill set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021301418.3U CN213079543U (en) | 2020-07-06 | 2020-07-06 | Multi-stand continuous rolling mill set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213079543U true CN213079543U (en) | 2021-04-30 |
Family
ID=75623543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021301418.3U Expired - Fee Related CN213079543U (en) | 2020-07-06 | 2020-07-06 | Multi-stand continuous rolling mill set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213079543U (en) |
-
2020
- 2020-07-06 CN CN202021301418.3U patent/CN213079543U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210430 |