CN112605124B - Rolling equipment and forming method for continuous variable cross-section thin steel plate - Google Patents
Rolling equipment and forming method for continuous variable cross-section thin steel plate Download PDFInfo
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- CN112605124B CN112605124B CN202011361377.1A CN202011361377A CN112605124B CN 112605124 B CN112605124 B CN 112605124B CN 202011361377 A CN202011361377 A CN 202011361377A CN 112605124 B CN112605124 B CN 112605124B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 93
- 239000010959 steel Substances 0.000 title claims abstract description 93
- 238000005096 rolling process Methods 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000001125 extrusion Methods 0.000 claims description 29
- 238000001816 cooling Methods 0.000 claims description 12
- 239000002994 raw material Substances 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 5
- 230000007246 mechanism Effects 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 230000009471 action Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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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
- B21B31/16—Adjusting or positioning rolls
- B21B31/20—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis
- B21B31/22—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis mechanically, e.g. by thrust blocks, inserts for removal
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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
- B21B2013/021—Twin mills
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
Abstract
The invention relates to the technical field of rolling and discloses rolling equipment and a forming method of a continuous variable cross-section thin steel plate. According to the rolling equipment and the forming method of the continuous variable cross-section thin steel plate, the linkage plate and the conical shaft are used in a matched mode, so that the effect that when the distance between the rollers is changed, the moving speed of the steel plate is automatically slowed down, and the cambered surface on the surface of the steel plate is prevented.
Description
Technical Field
The invention relates to the technical field of rolling, in particular to rolling equipment and a forming method for a continuous variable-section thin steel plate.
Background
Rolling is a metal processing technology, which refers to a pressure processing method that a metal blank passes through a gap between a pair of rotating rollers, the material section is reduced and the length is increased due to the compression of the rollers, and rolling is the most common production mode for producing steel, is mainly used for producing section bars, plates and pipes, and is an indispensable technology for modern industry.
When rolling the steel plate through rolling equipment, because there is the difference in the steel plate thickness that needs, so need constantly adjust the distance between the interior roll of rolling equipment, at this in-process, the steel plate just can lead to obvious indentation to appear in the steel plate surface in case of stopping, so the steel plate need continue to move, because the distance change needs the certain time between the roll, slight cambered surface can appear between the different thickness of consequently steel plate, influences rolling quality.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides rolling equipment and a forming method of a continuous variable-section thin steel plate, which have the advantages of automatically slowing down the moving speed of the steel plate and further preventing the surface of the steel plate from generating an arc surface when the distance between rollers is changed, and the like, and solve the problem that the rolling quality is influenced because the slight arc surface is generated between different thicknesses of the steel plate due to the movement of the steel plate when the distance between the rollers is changed.
(II) technical scheme
In order to achieve the aim of automatically slowing down the moving speed of the steel plate and further preventing the surface of the steel plate from generating an arc surface when the distance between the rollers is changed, the invention provides the following technical scheme: a rolling device and a forming method of a continuous variable cross-section thin steel plate comprise a shell, wherein a steel plate is arranged on the side surface of the shell in an inserting mode, moving wheels are arranged on the surface of the steel plate, a roller is connected between the moving wheels on the surface of the steel plate in a rolling mode, a supporting frame is connected on the surface of the roller in a sliding mode, a cross bar is connected on the side surface of the supporting frame in a rotating mode, a telescopic rod is connected on the surface of the cross bar in a rotating mode, a supporting block is connected on the side surface of the telescopic rod in a sliding mode, a linkage plate is fixedly connected inside the supporting block on the side surface of the telescopic rod, an extrusion rod is fixedly connected on the side surface of the linkage plate, a vibration spring is arranged on one side, away from the linkage plate, of the extrusion rod, a vibration rod is fixedly connected on the top of the vibration spring, a ratchet rod is connected on the surface of the vibration rod in a rotating mode, a ratchet is connected on the side surface of the ratchet rod in a meshing mode, and an extrusion plate is arranged on one side, away from the ratchet rod, and the extrusion plate is arranged on the side of the ratchet rod, the surface fixed connection of stripper plate has the groove piece, the surperficial sliding connection of groove piece has the trace, the fixed surface of trace is connected with the action wheel, the side interlude of action wheel is provided with the meshing pole, one side meshing that the action wheel was kept away from to the meshing pole is connected with the conical shaft, one side rotation that the ratchet was kept away from to the stripper plate is connected with the screw rod.
Preferably, the side surface of the screw is engaged and connected with a time-delay solenoid.
Preferably, the surface of the moving wheel is provided with a friction block which is in contact friction with the steel plate to drive the steel plate to move.
Preferably, a throwing rod is arranged on the surface of the ratchet wheel in an inserting mode and is thrown out along with the rotation of the ratchet wheel to extrude the extrusion plate.
Preferably, the pressing plate is connected with the supporting block through a return spring.
Preferably, the surface of the groove block is provided with an inclined groove, and one end of the linkage rod slides in the groove and is driven to move synchronously along with the movement of the groove block.
Preferably, the conical shaft rotates synchronously with the moving wheel through the coupler, and the moving wheel decreases synchronously with the decrease of the rotating speed of the conical shaft.
Preferably, the driving wheel is a power mechanism for moving the steel plate.
According to the rolling equipment for the continuous variable cross-section thin steel plate, the rolling forming method for the continuous variable cross-section thin steel plate comprises the following steps:
s1, uncoiling and blanking: selecting a steel plate raw material according to a required specification;
s2, preheating the plate: heating the selected steel plate raw material to about 1600 ℃ by a heating device;
s3, roll forming: inserting the heated steel plate raw material between rollers in the shell, starting a motor, and starting rolling;
s4, cooling: placing the rolled steel plate on a cooling bed, and cooling the steel plate through liquid cooling;
s5, packaging and warehousing: and coating an oil layer with one side capable of isolating air on the cooled steel plate, and finally placing the steel plate in a sealed warehouse for storage.
(III) advantageous effects
Compared with the prior art, the invention provides rolling equipment and a forming method of a continuous variable cross-section thin steel plate, which have the following beneficial effects:
1. this rolling equipment and forming method of continuous variable cross section thin steel plate, cooperation through interlock board and conical shaft is used, in the steel sheet rolling process, when needs adjust steel sheet thickness, move the position that changes the horizontal pole through driving the telescopic link, distance between the rethread support frame regulation roll, at this in-process, through the slew velocity that changes the conical shaft, change the slew velocity who removes the wheel, reduce the translation rate of steel sheet at last, so the distance that slight cambered surface can appear between the different thickness of steel sheet reduces, thereby when having reached the distance between the change roll, the translation rate that slows down the steel sheet automatically and then prevents the effect that the cambered surface appears in the steel sheet surface.
2. The rolling equipment and the forming method of the continuous variable cross-section thin steel plate are used by matching the screw rod with the time-delay solenoid, when the extrusion plate moves, the screw rod connected with the side surface in a rotating mode moves synchronously and is inserted into the time-delay solenoid, after the distance between the rollers is changed, the extrusion plate moves in a resetting mode under the action of the reset spring arranged on the side surface of the extrusion plate, the extrusion plate moves in a resetting mode, but the speed of the moving wheel is slowly increased but not instantly restored due to the fact that the screw rod needs to be meshed with the time-delay solenoid for transmission, the surface of the steel plate is prevented from moving fast due to stress, and therefore the effect that the surface of the steel plate is prevented from being indented due to the fact that the speed of the steel plate is quickly reset is achieved.
Drawings
FIG. 1 is a schematic cross-sectional view of the entire structure of the present invention;
FIG. 2 is a schematic cross-sectional view of a structural roll of the present invention;
FIG. 3 is a schematic cross-sectional view of a structural support block of the present invention;
FIG. 4 is a schematic view of the structure and vibration spring connection mechanism of the present invention;
FIG. 5 is a schematic cross-sectional view of a structural extrusion plate of the present invention;
FIG. 6 is a cross-sectional view of the ratchet of the present invention;
FIG. 7 is an enlarged view of part A of the structural diagram of the present invention;
FIG. 8 is an enlarged schematic view of part B of FIG. 5 in accordance with the present invention;
FIG. 9 is an enlarged view of the portion C in FIG. 5 according to the present invention.
In the figure: 1. a housing; 2. a steel plate; 3. a moving wheel; 4. a supporting block; 5. a support frame; 6. a cross bar; 7. an engagement lever; 8. rolling; 9. a telescopic rod; 10. a linkage plate; 11. a vibration spring; 12. a vibrating rod; 13. a ratchet rod; 14. an extrusion stem; 15. a ratchet wheel; 16. a pressing plate; 17. a tapered shaft; 18. a screw; 19. a time-delay solenoid; 20. a groove block; 21. a linkage rod; 22. a driving wheel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1-9, a rolling device and a forming method for a continuous variable cross-section thin steel plate, comprising a housing 1, a steel plate 2 is inserted into a side surface of the housing 1, a moving wheel 3 is arranged on a surface of the steel plate 2, a friction block is arranged on a surface of the moving wheel 3 and contacts and rubs with the steel plate 2 to drive the steel plate 2 to move, a roller 8 is connected to the surface of the steel plate 2 and located between the moving wheels 3 in a rolling manner, a supporting frame 5 is connected to the surface of the roller 8 in a sliding manner, a cross bar 6 is connected to a side surface of the supporting frame 5 in a rotating manner, a telescopic rod 9 is connected to a surface of the cross bar 6 in a rotating manner, a supporting block 4 is connected to a side surface of the telescopic rod 9 in a sliding manner, a linkage plate 10 is fixedly connected to a side surface of the linkage plate 10, a squeezing rod 14 is arranged on a side of the squeezing rod 14 away from the linkage plate 10, a vibrating spring 11 is fixedly connected to a top of the vibrating rod 12, the surface of the vibrating rod 12 is rotatably connected with a ratchet rod 13, the side surface of the ratchet rod 13 is meshed with a ratchet wheel 15, the surface of the ratchet wheel 15 is penetrated with a throwing rod, the throwing rod is thrown out along with the rotation of the ratchet wheel 15 to extrude an extrusion plate 16, the side of the ratchet wheel 15 far away from the ratchet rod 13 is provided with the extrusion plate 16, the extrusion plate 16 is connected with the supporting block 4 through a return spring, the surface of the extrusion plate 16 is fixedly connected with a groove block 20, the surface of the groove block 20 is provided with a chute, one end of a linkage rod 21 slides in the chute, the linkage rod 21 is driven to synchronously move along with the movement of the groove block 20, the surface of the groove block 20 is slidably connected with the linkage rod 21, the surface of the linkage rod 21 is fixedly connected with a driving wheel 22, the driving wheel 22 is a power mechanism for the movement of a steel plate, the side surface of the driving wheel 22 is penetrated with a meshing rod 7, the side of the meshing rod 7 far away from the driving wheel 22 is meshed with a conical shaft 17, the conical shaft 17 synchronously rotates with the moving wheel 3 through a shaft coupling, the moving wheel 3 is synchronously reduced along with the reduction of the rotating speed of the conical shaft 17, one side of the extrusion plate 16, which is far away from the ratchet wheel 15, is rotatably connected with a screw 18, and the side surface of the screw 18 is engaged with a delay solenoid 19.
S1, uncoiling and blanking: the steel sheet 2 is selected as a raw material according to a required specification.
S2, preheating the plate: the selected steel plate 2 raw material is heated to about 1600 c by a heating device.
S3, roll forming: the heated steel sheet 2 material is inserted between the rolls 8 in the housing 1, and the motor is started to start rolling.
S4, cooling: and placing the rolled steel plate 2 on a cooling bed, and cooling the steel plate through liquid cooling.
S5, packaging and warehousing: and smearing an oil layer with one side capable of isolating air on the cooled steel plate 2, and finally placing the steel plate in a sealed warehouse for storage.
The working principle is that in the process of rolling the steel plate 2, when the thickness of the steel plate 2 needs to be adjusted, the telescopic rod 9 is driven to move to change the position of the cross rod 6, and then the distance between the rollers 8 is adjusted through the support frame 5.
When the telescopic rod 9 moves, the side linkage plate 10 drives the extrusion rod 14 to slide on the side of the vibration spring 11, the side of the vibration spring 11 is shifted, so that the vibration spring 11 vibrates integrally, the ratchet rod 13 is driven to vibrate up and down by the vibration rod 12, the ratchet rod 13 drives the ratchet wheel 15 engaged with the ratchet rod to rotate, the ratchet wheel 15 throws out the throwing rod penetrated through the surface to extrude the extrusion plate 16, the extrusion plate 16 drives the groove block 20 on the surface to move, so that one end of the linkage rod 21 slides in the inclined groove formed on the surface of the groove block 20, the linkage rod 21 drives the driving wheel 22 to move towards the direction close to the steel plate 2, as the driving wheel 22 rotates to throw out the engagement rod 7 to be engaged with the inclined planes of the conical shafts 17 on two sides, the engagement diameter between the engagement rod 7 and the conical shafts 17 is increased, the rotation speed of the conical shafts 17 is reduced, and the conical shafts 17 rotate synchronously with the moving wheel 3 through the coupler, remove the clutch blocks that wheel 3 set up through the surface and drive steel sheet 2 and remove, so steel sheet 2's translation rate reduces, and the distance that can appear slight cambered surface between the different thickness of steel sheet 2 reduces to when having reached the change distance between roll 8, the translation rate that slows down steel sheet 2 automatically and then prevents the effect that cambered surface appears in the steel sheet 2 surface.
When the extrusion plate 16 moves, the side surface of the extrusion plate rotates and is connected with the screw rod 18 to synchronously move, the screw rod is inserted into the time-delay solenoid 19, after the distance between the rollers 8 is changed, the extrusion plate 16 resets and moves under the action of the reset spring arranged on the side surface of the extrusion plate 16, the extrusion plate 16 resets and moves, but the screw rod 18 needs to be meshed with the time-delay solenoid 19 for transmission, so that the speed of the moving wheel 3 is slowly increased and is not instantly recovered, the surface of the steel plate 2 is prevented from rapidly moving due to stress, and the effect of preventing the surface of the steel plate 2 from being indented due to rapid speed resetting is achieved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A rolling equipment for continuously variable section thin steel plate comprises a shell (1), and is characterized in that: the lateral surface of the shell (1) is provided with a thin steel plate (2) in an inserting mode, the surface of the thin steel plate (2) is provided with moving wheels (3), the surface of the thin steel plate (2) is located between the moving wheels (3) and is connected with a roller (8) in a rolling mode, the surface of the roller (8) is connected with a supporting frame (5) in a sliding mode, the lateral surface of the supporting frame (5) is connected with a cross rod (6) in a rotating mode, the surface of the cross rod (6) is connected with a telescopic rod (9) in a rotating mode, the lateral surface of the telescopic rod (9) is connected with a supporting block (4) in a sliding mode, the lateral surface of the telescopic rod (9) is located inside of the supporting block (4) and is fixedly connected with a linkage plate (10), the lateral surface of the linkage plate (10) is fixedly connected with an extrusion rod (14), one side, far away from the linkage plate (10), of the extrusion rod (14) is provided with a vibrating spring (11), the top of the vibrating spring (11) is fixedly connected with a vibrating rod (12), the surface of the vibrating rod (12) is rotationally connected with a ratchet rod (13), the side surface of the ratchet rod (13) is engaged and connected with a ratchet wheel (15), a squeezing plate (16) is arranged on one side of the ratchet wheel (15) far away from the ratchet rod (13), the surface of the extrusion plate (16) is fixedly connected with a groove block (20), the surface of the groove block (20) is connected with a linkage rod (21) in a sliding way, the surface of the linkage rod (21) is fixedly connected with a driving wheel (22), the side surface of the driving wheel (22) is penetrated and arranged with an engaging rod (7), one side of the engaging rod (7) far away from the driving wheel (22) is engaged and connected with a conical shaft (17), one side of the extrusion plate (16) far away from the ratchet wheel (15) is rotationally connected with a screw rod (18), the surface of the ratchet wheel (15) is provided with a throwing rod in a penetrating mode, and the conical shaft (17) rotates synchronously with the moving wheel (3) through a coupler.
2. A rolling apparatus of a continuously variable section thin steel plate as set forth in claim 1, wherein: the side surface of the screw rod (18) is engaged with a delay solenoid (19).
3. A rolling apparatus of a continuously variable section thin steel plate as set forth in claim 1, wherein: the surface of the moving wheel (3) is provided with a friction block.
4. A rolling apparatus of a continuously variable section thin steel plate as set forth in claim 1, wherein: the extrusion plate (16) is connected with the supporting block (4) through a return spring.
5. A rolling apparatus of a continuously variable section thin steel plate as set forth in claim 1, wherein: the surface of the groove block (20) is provided with a chute, and one end of the linkage rod (21) slides in the groove.
6. A rolling apparatus of a continuously variable section thin steel plate as set forth in claim 1, wherein: the driving wheel (22) is a power mechanism for moving the steel plate.
7. A sheet steel roll forming method using a rolling facility of a continuously variable section steel sheet as claimed in claim 1, characterized in that: comprises the following steps:
s1, uncoiling and blanking: selecting a thin steel plate (2) raw material according to a required specification;
s2, preheating the plate: heating the selected raw material of the thin steel plate (2) to about 1600 ℃ by a heating device;
s3, roll forming: inserting the heated sheet steel (2) raw material between rollers (8) in a shell (1), starting a motor, and starting rolling;
s4, cooling: placing the rolled thin steel plate (2) on a cooling bed, and cooling the thin steel plate through liquid cooling;
s5, packaging and warehousing: and smearing the cooled steel sheet (2) with an oil layer with one side capable of isolating air, and finally placing the steel sheet in a sealed warehouse for storage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011361377.1A CN112605124B (en) | 2020-11-27 | 2020-11-27 | Rolling equipment and forming method for continuous variable cross-section thin steel plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011361377.1A CN112605124B (en) | 2020-11-27 | 2020-11-27 | Rolling equipment and forming method for continuous variable cross-section thin steel plate |
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| CN112605124A CN112605124A (en) | 2021-04-06 |
| CN112605124B true CN112605124B (en) | 2022-07-05 |
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