CN109909324B - Hot rolled plate camber correction equipment and method - Google Patents
Hot rolled plate camber correction equipment and method Download PDFInfo
- Publication number
- CN109909324B CN109909324B CN201910221830.XA CN201910221830A CN109909324B CN 109909324 B CN109909324 B CN 109909324B CN 201910221830 A CN201910221830 A CN 201910221830A CN 109909324 B CN109909324 B CN 109909324B
- Authority
- CN
- China
- Prior art keywords
- camber
- correction
- feeding
- sucker
- discharging
- 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.)
- Active
Links
Classifications
-
- 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
Landscapes
- Bending Of Plates, Rods, And Pipes (AREA)
- Straightening Metal Sheet-Like Bodies (AREA)
Abstract
The invention discloses hot rolled plate camber correction equipment and a method, which relate to the technical field of steel rolling shearing. The invention adopts a three-point correction method, the area with the camber is sent to a correction platform, the camber area is reversely bent and deformed, and the straightness of the side edge of the steel plate is corrected by stretching and compensating the short edge of the steel plate; according to the invention, the sickle bent plate with the thickness of about 15mm can be controlled to be about 3mm after correction, so that unqualified products are changed into qualified products, the qualification rate can reach 100%, the equipment transformation cost is reduced, and the qualification rate of the finished products of the BMD slitter unit is improved.
Description
Technical Field
The invention relates to the technical field of steel rolling and shearing, in particular to hot rolled plate camber correction equipment and a method.
Background
The camber refers to the maximum distance between the sides of the steel plate and the steel strip and the straight line connecting the two ends of the measuring part, i.e. the deviation of the edge of one side of the steel strip from the straight line, which is measured on the concave side of the product. The camber is formed by bending the longer side to the shorter side due to inconsistent deformation of the two sides of the steel plate in the length direction in the rolling process, namely quick extension and slow extension of the deformation in the same time.
In the steel rolling process, the steel plate is subjected to slitting to generate sickle bending, and the biggest sickle bending of a single side can reach about 15 mm; and the end user requires that the camber is less than or equal to 3mm, so that the qualification rate of the finished product is not high and can only reach 48.2 percent. For the plate with sickle bending exceeding standard, the customer cannot accept the plate which can only be treated as scrap steel, so that the product yield is directly affected.
Disclosure of Invention
(one) solving the technical problems
The invention aims to solve the problem that a steel plate is cut longitudinally and divided and then transversely cut to generate excessive sickle bending, and provides hot rolled plate sickle bending correction equipment and a hot rolled plate sickle bending correction method.
(II) technical scheme
The hot rolled plate camber correction device comprises a feeding trolley, an automatic feeding sucker, a feeding conveying roller way, a camber and measuring guiding rule, a camber correction platform, a discharging conveying roller way, an automatic discharging sucker and a discharging trolley; the feeding trolley, the automatic feeding sucking disc, the feeding conveying roller way, the sickle bend measuring guiding ruler, the sickle bend correcting platform, the discharging conveying roller way, the automatic discharging sucking disc and the discharging trolley are integrally arranged to form a whole; the steel plate is sent to a camber correcting platform through a feeding trolley, an automatic feeding sucker, a feeding conveying roller way and a camber measuring guiding rule; the camber correcting platform adopts a three-point correcting method, and sends the region with camber to the correcting platform, so that the camber region is reversely bent and deformed, and the straightness of the side edge of the steel plate is corrected by stretching the short edge of the compensation steel plate; and unloading the corrected steel plate in the camber correction platform through a blanking conveying roller way, an automatic blanking sucker and a blanking trolley.
According to an embodiment of the invention, the automatic feeding and discharging device further comprises an electric control system, wherein the electric control system comprises a feeding and discharging sucker positioning module, a wiping plate/correcting mode switching module, a correcting value setting module, a correcting value state monitoring module, a microcontroller, a frequency converter, a control motor, an encoder positioning module and a hydraulic and pneumatic control module; the upper and lower sucker positioning module, the wiping plate/correction mode switching module, the correction value setting module, the correction value state monitoring module, the encoder positioning module and the hydraulic and pneumatic control module are respectively connected with the microcontroller as peripheral circuits of the microcontroller; the microcontroller is also connected with the control motor through a frequency converter.
According to an embodiment of the invention, the electrical control system further comprises a wireless communication module and an upper computer, wherein the upper computer is connected with the microcontroller through the wireless communication module and remotely controls the microcontroller.
According to an embodiment of the present invention, the wireless communication module is a GPRS communication module, a bluetooth module or a ZigBee communication module.
According to an embodiment of the present invention, the microcontroller may be a PLC, which may be Siemens PLC S7-400.
According to an embodiment of the invention, the electrical control system further comprises a human-machine interface.
According to an embodiment of the present invention, the human-computer interface includes displaying a blanking clamp position, a blanking suction cup position, a loading clamp position, a loading suction cup position, a lateral bending pushing position, position confirmation, automatic blanking, automatic straightening, automatic feeding, parameter setting, system monitoring, and correction modes.
A hot rolled plate camber correction method comprises the following steps:
s1, after equipment is started, starting a system;
s2, the manipulator moves to the position above the material taking station;
s3, waiting for equipment to send out a workpiece positioning completion and suction permission signal;
s4, after receiving the signal, the manipulator descends, and when the sucker contacts with the workpiece, the sucker frame stops descending;
s5, lifting the sucker frame to a set height and moving the sucker frame to the position above the discharging station;
s6, waiting for the equipment to send out an allowed release signal;
s7, after receiving the signal, the sucker frame starts to descend, and after reaching a set height, the workpiece is released;
s8, returning to the position above the material taking station;
s9, repeatedly executing the conveying process.
(III) beneficial effects
By adopting the technical scheme, the hot rolled plate camber correction device and method adopt a three-point correction method, the region with camber is sent to a correction platform, the camber region is reversely bent and deformed, and the short side of the steel plate is compensated by stretching so as to correct the straightness of the side of the steel plate; according to the invention, the sickle bent plate with the thickness of about 15mm can be controlled to be about 3mm after correction, so that unqualified products are changed into qualified products, the qualification rate can reach 100%, the equipment transformation cost is reduced, and the qualification rate of the finished products of the BMD slitter unit is improved.
Drawings
In the present invention, like reference numerals refer to like features throughout, wherein:
fig. 1 is a schematic block diagram of a correction apparatus.
Fig. 2 is a schematic block diagram of an electrical control system.
Fig. 3 is a man-machine interface layout.
Fig. 4 is a schematic diagram of a three-phase power supply.
Fig. 5 is a diagram of the main circuit of the electromagnetic chuck and the hydraulic station.
Fig. 6 is a flow chart of a correction method of the present invention.
Reference numerals illustrate:
1. the automatic feeding device comprises a feeding trolley, an automatic feeding sucker, a feeding conveying roller way, a camber measuring guiding rule 4, a camber correcting platform 5, a discharging conveying roller way 6, an automatic discharging sucker 7 and a discharging trolley.
Detailed Description
The technical scheme of the invention is further described below with reference to the accompanying drawings and examples.
Referring to fig. 1, a hot rolled plate camber correction device comprises a feeding trolley 1, an automatic feeding sucker 2, a feeding conveying roller way, a camber adding measurement guiding rule 3, a camber correction platform 4, a discharging conveying roller way 5, an automatic discharging sucker 6 and a discharging trolley 7; the feeding trolley 1, the automatic feeding sucker 2, the feeding conveying roller way, the camber and measuring guiding ruler 3, the camber correcting platform 4, the discharging conveying roller way 5, the automatic discharging sucker 6 and the discharging trolley 7 are integrally arranged to form a whole; the steel plate is sent to a camber correcting platform 4 through a feeding trolley 1, an automatic feeding sucker 2, a feeding conveying roller way and a camber measuring guiding rule 3; the sickle bend correcting platform 4 adopts a three-point correcting method, and sends the area with the sickle bend to the correcting platform, so that the sickle bend area is reversely bent and deformed, and the straightness of the side edge of the steel plate is corrected by stretching the short edge of the compensation steel plate; the steel plate corrected in the camber correction platform 4 is discharged through a discharging conveying roller way 5, an automatic discharging sucker 6 and a discharging trolley 7.
Referring to fig. 2, the hot rolled plate camber correction device further comprises an electrical control system, wherein the electrical control system comprises a feeding and discharging sucker positioning module, a wiping plate/correction mode switching module, a correction value setting module, a correction value state monitoring module, a microcontroller, a frequency converter, a control motor, an encoder positioning module, a hydraulic and pneumatic control module, a human-computer interface, a wireless communication module and an upper computer; the peripheral circuits of the upper and lower sucker positioning module, the wiping plate/correction mode switching module, the correction value setting module, the correction value state monitoring module, the encoder positioning module, the hydraulic and pneumatic control module and the human-computer interface serving as a microcontroller are respectively connected with the microcontroller; the upper computer is connected with the microcontroller through the wireless communication module and remotely controls the microcontroller; the microcontroller is also connected with the control motor through a frequency converter. The wireless communication module is a GPRS communication module, a Bluetooth module or a ZigBee communication module. The microcontroller may be a PLC, which may be Siemens PLC S7-400.
With reference to fig. 3, the human-machine interface includes displaying a blanking pinch position, a blanking suction cup position, a loading pinch position, a loading suction cup position, a lateral bending pushing position, position confirmation, automatic blanking, automatic straightening, automatic feeding, parameter setting, system monitoring and correction modes.
The working modes of the equipment are two types: one is that the mode of rubbing the board is mainly used in the processing of panel burr and face greasy dirt, and one is that correction mode is mainly used in the correction of hook and loop, and operating personnel can select working mode according to actual behavior.
Electromagnetic feeding device
The electromagnetic feeding device mainly lifts the plate requiring sickle bend straightening onto the conveying roller way through the electromagnetic chuck. Mainly comprises an electromagnetic chuck, a vertical lifting part and a horizontal transfer part. When the horizontal transfer part works, the horizontal transfer part moves to the upper part of the straightening plate through the motor, the vertical lifting part falls down the electromagnetic chuck to adsorb the plate and then rises to the set position, the plate is transferred to the upper part of the conveying roller way through the horizontal transfer part, the horizontal transfer of the steel plate is completed, and the plate is vertically fallen down and placed on the conveying roller way.
Inlet roller conveyor
The steel plate conveying device comprises a roller way type conveying part and a pinch roll part, and is used for conveying the steel plate to a camber correcting device. When the device works, the electromagnetic feeding device is used for placing the steel plate above the roller way, and the bow back of the sickle is required to be arranged at the operation side; and pressing down the pinch rolls, starting the inlet conveying roller way, and feeding the strip steel plates to the hydraulic straightening machine. The pinch rolls are passive with position detecting encoders.
Hydraulic corrector
The push correction device is used for pushing and correcting the camber. Mainly comprises a working platform part, a carrier roller part, a hydraulic pushing correcting part, a fixed stop block part, a lifting cover plate part and the like. When the hydraulic straightening machine works, the strip steel plate is fed into the hydraulic straightening machine through the inlet conveying roller way, and the roller way stops and lifts the pinch roll when the strip steel plate reaches a proper position; the carrier roller on the straightening machine platform is dropped to enable the strip steel plate to drop on the straightening machine platform (engineering plastic plate is covered on the surface of the platform); starting a correcting hydraulic cylinder of the correcting machine, pushing the strip steel plate to a fixed stop block at one side of the platform, stopping when the strip steel plate is about to be contacted with the fixed stop block, starting a cover plate lifting hydraulic cylinder, and falling the cover plate and keeping a certain gap with the strip steel plate; and driving the correcting hydraulic cylinder again, pushing the strip steel plate to the fixed stop block, continuing to apply pushing force, and correcting the camber of the strip steel plate within a certain length. And (3) withdrawing the correcting hydraulic cylinder, lifting the cover plate and the carrier roller on the platform, pressing down the pinch roller, simultaneously starting the inlet conveying roller way and the outlet conveying roller way, continuously feeding the strip steel plate to a proper position, and repeating the camber correcting operation process until the camber of the strip steel plate is corrected.
Outlet conveying roller way
The device consists of a roller way type conveying part and a pinch roll part, and is used for moving a strip steel plate to be corrected back and forth or conveying the corrected strip steel plate to an electromagnetic discharging device and completing detection of camber. The pinch rolls are passive with position detecting encoders. When the device works, after the corrected strip steel plates completely enter the outlet conveying roller way, the roller way is stopped, the strip steel plates are supported by the material supporting rollers between the conveying rollers and separated from the conveying rollers, the strip steel plates are moved to the guiding rule arranged on one side of the outlet conveying roller way, and whether the corrected strip steel plates meet the quality requirement is judged through a gap between the strip steel plates and the guiding rule by adopting a lamplight irradiation method.
If the corrected strip steel plate cannot meet the quality requirement, returning the strip steel plate to the position before judging the quality, falling the material supporting roller, starting the outlet and inlet conveying roller ways, returning the strip steel plate to the inlet conveying roller ways, and correcting the camber again until the camber is corrected to meet the quality requirement.
If the corrected strip steel plate meets the quality requirement, the material supporting roller falls down, the strip is lifted up through the electromagnetic discharging device, and the transverse moving mechanism is started to transfer the strip steel plate to the discharging position.
Electromagnetic discharging device
The electromagnetic discharging device is used for lifting the strip steel plate subjected to sickle bending straightening to a discharging position through the electromagnetic chuck. Mainly comprises an electromagnetic chuck, a vertical lifting part and a horizontal transfer part. When the horizontal transfer part is in operation, the horizontal transfer part moves to the upper part of the plate steel plate after the straightening of the outlet conveying roller way through the motor, the vertical lifting part falls down the electromagnetic chuck to adsorb the plate, then the plate is lifted to the set position, the plate steel is transferred to the upper part of the unloading position through the horizontal transfer part, the horizontal transfer of the plate steel is completed, and the plate steel is vertically fallen down and placed at the position of the unloading table.
Hydraulic system
The hydraulic system is composed of a hydraulic station, corresponding pipelines and oil cylinders, and adopts a quantitative vane pump and high-quality elements, and the highest working pressure is 12Mpa. The hydraulic station provides hydraulic power for the straightening unit.
Pneumatic system
The pneumatic system is composed of three components, an electromagnetic reversing valve, a PU pipeline and corresponding cylinder products.
Electrical control system
The electrical control system adopts a distributed control system. The whole system has high automation degree, quick response and advanced control means. Both manual and automatic switching may be performed. The control core is a PLC programmable controller. The control cabinet is sealed well, has fan ventilation. The components in the cabinet are reasonably arranged, and the maintenance is convenient.
The hot rolled plate camber correction device comprises the following operation steps:
(1) Preparation before starting up: checking whether the liquid level of the hydraulic station and the pressure of the compressed air are normal, judging whether an operation button is damaged, starting the operation button of the hydraulic station, checking whether the system pressure of the hydraulic station is normal, and cleaning sundries on the track of the feeding and discharging trolley.
(2) After the power switch is turned on, the touch screen starts to be started. The picture of the starting page is as follows; there are parameter setting, working mode selection, system monitoring buttons on the top, these three buttons can be clicked into the corresponding page.
< work interface >: the device comprises a feeding and discharging clamp position display, a feeding and discharging sucker position confirmation button, a correction push head position display and confirmation button, a feeding and discharging sucker power-on button and current state display of each actuating mechanism limit switch.
< parameter set >: the device is used for inputting the position coefficient of the feeding and discharging sucker, the speed of the roller way, the number of the wiping plates and the initial value of the side bending correction position.
< System monitoring Screen >: the method is used for checking the state of the frequency converter and the current value of the frequency converter by operating and maintenance personnel, and performing fault resetting on the frequency converter with current faults.
Device technical parameters
The inlet material parameters included steel grades: hot rolling the pickled steel plate; the thickness of the steel plate is 5-11 mm; width of steel plate: 200-500 mm; the weight of the steel plate: less than or equal to 520Kg; tensile strength: at the thickness of 8mm, the maximum pressure is 1,000Mpa; at the thickness of 11mm, 550MPa is at most used; yield strength: at the thickness of 8mm, the maximum pressure is 800Mpa; when the plate thickness is 11mm, the maximum pressure is 400Mpa; thickness of steel plate: 5-11 mm; length of steel plate: 3,000-12,000 mm; width of steel plate: 200-500 mm; feeding speed: about 6m/min.
The main technical parameters of the electric control system are shown in table 1, and fig. 4 is a three-phase power supply schematic diagram.
Table 1: main technical parameters of electric control system
Electrical control system assembly
1) Incoming line power switch cabinet: 1 station; an electric opening and closing operation button is arranged on the panel and has current, voltage and electric degree indication.
2) Main control console and auxiliary control console: 1 table
3) Electric control cabinet: 1 station; the control signal comes from the PLC cabinet and drives the production line motor. The cabinet should be internally provided with a ventilation and automatic heat dissipation device. The programmable control system consists of a programmable controller (PLC), a touch screen, an output isolation relay board and the like. The PLC is the core part of the system and controls the operation of the whole production line, wherein the PLC comprises data acquisition of position signals of each node, data input of an encoder, data acquisition of analog quantity and control output of each execution unit. The machine set fully considers man-machine safety, adopts reliable protective measures to prevent misoperation, and can cut off the power supply at the fastest speed once an emergency occurs. An emergency stop button is arranged on each operation table.
4) Junction box: 2 tables
The electrical control system adopts a distributed structural design, the programmable control system and the touch screen display unit are reasonably distributed, the structural form is simplified, and the anti-interference capability is higher. The influence of factors such as power quality, environment, personnel and the like is fully considered. The following measures are adopted in the design of hardware and software: 1) The weak current control part adopts mutually independent switching power supplies for supplying power; 2) A distributed grounding system is adopted; 3) Fault tolerant design of programmable control software; 4) The system adopts the touch screen technology, is matched with the powerful software design, has the functions of visual operation, fault state display and the like, is convenient for the operation and maintenance of a user, and improves the overall technical level of the system. Fig. 5 is a diagram of the main circuit of the electromagnetic chuck and the hydraulic station.
The hot rolled plate camber correction flow is as follows: trolley feeding, electromagnetic feeding, inlet roller conveying, hydraulic correction, outlet roller conveying (transverse movement detection) and electromagnetic discharging.
Referring to fig. 6, a hot rolled plate camber correction method includes the steps of:
s1, after equipment is started, starting a system;
s2, the manipulator moves to the position above the material taking station;
s3, waiting for equipment to send out a workpiece positioning completion and suction permission signal;
s4, after receiving the signal, the manipulator descends, and when the sucker contacts with the workpiece, the sucker frame stops descending;
s5, lifting the sucker frame to a set height and moving the sucker frame to the position above the discharging station;
s6, waiting for the equipment to send out an allowed release signal;
s7, after receiving the signal, the sucker frame starts to descend, and after reaching a set height, the workpiece is released;
s8, returning to the position above the material taking station;
s9, repeatedly executing the conveying process.
The correction capability of the camber can control the camber of a single side of 5.0mm hot rolled strip material with the maximum of 14mm within 4mm after correction.
In summary, by adopting the technical scheme of the invention, the hot rolled plate camber correction device and method adopts a three-point correction method, the region with camber is sent to the correction platform, the camber region is reversely bent and deformed, and the straightness of the side edge of the steel plate is corrected by stretching and compensating the short edge of the steel plate; according to the invention, the sickle bent plate with the thickness of about 15mm can be controlled to be about 3mm after correction, so that unqualified products are changed into qualified products, the qualification rate can reach 100%, the equipment transformation cost is reduced, and the qualification rate of the finished products of the BMD slitter unit is improved.
Claims (3)
1. A hot rolled plate camber correction method for hot rolled plate camber correction equipment is characterized by comprising the following steps of: the hot rolled plate camber correction device comprises a feeding trolley, an automatic feeding sucker, a feeding conveying roller way, a camber adding measurement guiding rule, a camber correction platform, a discharging conveying roller way, an automatic discharging sucker, a discharging trolley and an electric control system;
the feeding trolley, the automatic feeding sucking disc, the feeding conveying roller way, the sickle bend measuring guiding ruler, the sickle bend correcting platform, the discharging conveying roller way, the automatic discharging sucking disc and the discharging trolley are integrally arranged to form a whole;
the steel plate is sent to a camber correcting platform through a feeding trolley, an automatic feeding sucker, a feeding conveying roller way and a camber measuring guiding rule; the camber correcting platform adopts a three-point correcting method, and sends the region with camber to the correcting platform, so that the camber region is reversely bent and deformed, and the straightness of the side edge of the steel plate is corrected by stretching the short edge of the compensation steel plate; the steel plate corrected in the camber correction platform is discharged through a discharging conveying roller way, an automatic discharging sucker and a discharging trolley;
the electric control system comprises a feeding and discharging sucker positioning module, a wiping plate/correction mode switching module, a correction value setting module, a correction value state monitoring module, a microcontroller, a frequency converter, a control motor, an encoder positioning module, a hydraulic and pneumatic control module, a wireless communication module, an upper computer and a human-computer interface;
the upper and lower sucker positioning module, the wiping plate/correction mode switching module, the correction value setting module, the correction value state monitoring module, the encoder positioning module and the hydraulic and pneumatic control module are respectively connected with the microcontroller as peripheral circuits of the microcontroller; the microcontroller is also connected with the control motor through a frequency converter;
the upper computer is connected with the microcontroller through the wireless communication module and remotely controls the microcontroller;
the man-machine interface comprises a blanking clamping position, a blanking sucker position, a feeding clamping position, a feeding sucker position, a lateral bending pushing position, position confirmation, automatic blanking, automatic straightening, automatic feeding, parameter setting, system monitoring and correction modes;
the hot rolled plate camber correction method comprises the following steps:
s1, after equipment is started, starting a system;
s2, the manipulator moves to the position above the material taking station;
s3, waiting for equipment to send out a workpiece positioning completion and suction permission signal;
s4, after receiving the signal, the manipulator descends, and when the sucker contacts with the workpiece, the sucker frame stops descending;
s5, lifting the sucker frame to a set height and moving the sucker frame to the position above the discharging station;
s6, waiting for the equipment to send out an allowed release signal;
s7, after receiving the signal, the sucker frame starts to descend, and after reaching a set height, the workpiece is released;
s8, returning to the position above the material taking station;
s9, repeatedly executing the conveying process.
2. The hot rolled plate camber correction device according to claim 1, wherein the wireless communication module is a GPRS communication module, a bluetooth module or a ZigBee communication module.
3. The hot rolled plate camber correction device according to claim 1, wherein the microcontroller is a PLC, which is siemens PLC S7-400.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910221830.XA CN109909324B (en) | 2019-03-22 | 2019-03-22 | Hot rolled plate camber correction equipment and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910221830.XA CN109909324B (en) | 2019-03-22 | 2019-03-22 | Hot rolled plate camber correction equipment and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109909324A CN109909324A (en) | 2019-06-21 |
| CN109909324B true CN109909324B (en) | 2023-09-12 |
Family
ID=66966261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910221830.XA Active CN109909324B (en) | 2019-03-22 | 2019-03-22 | Hot rolled plate camber correction equipment and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109909324B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113477722A (en) * | 2021-08-03 | 2021-10-08 | 浙江金航钢管科技有限公司 | Rolling method and processing device for seamless steel tube |
| CN113857249B (en) * | 2021-09-14 | 2023-04-07 | 武汉钢铁有限公司 | Manufacturing method of high-strength and high-toughness plate coil for high-precision spiral submerged-arc welding pipe |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201579308U (en) * | 2009-12-17 | 2010-09-15 | 中国第一汽车集团公司 | Metal sheet straightening machine |
| CN201586680U (en) * | 2009-12-10 | 2010-09-22 | 余姚市宝马印刷器材有限公司 | Cold-rolled annealed or tempered quenched steel strip camber correcting equipment |
| CN102172675A (en) * | 2011-03-17 | 2011-09-07 | 中国第一汽车集团公司 | Metal plate camber straightening machine |
| JP2013103226A (en) * | 2011-11-10 | 2013-05-30 | Jfe Steel Corp | Bend straightening device for sheet metal |
| CN103252358A (en) * | 2013-05-21 | 2013-08-21 | 东北大学 | Correction method of wide and thick plate camber |
| CN103752623A (en) * | 2013-12-27 | 2014-04-30 | 首钢总公司 | Automatic control method for improving camber of rough mill intermediate billet |
| CN104942047A (en) * | 2015-05-22 | 2015-09-30 | 泰安华鲁锻压机床有限公司 | Leveling method for correcting camber of board |
-
2019
- 2019-03-22 CN CN201910221830.XA patent/CN109909324B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201586680U (en) * | 2009-12-10 | 2010-09-22 | 余姚市宝马印刷器材有限公司 | Cold-rolled annealed or tempered quenched steel strip camber correcting equipment |
| CN201579308U (en) * | 2009-12-17 | 2010-09-15 | 中国第一汽车集团公司 | Metal sheet straightening machine |
| CN102172675A (en) * | 2011-03-17 | 2011-09-07 | 中国第一汽车集团公司 | Metal plate camber straightening machine |
| JP2013103226A (en) * | 2011-11-10 | 2013-05-30 | Jfe Steel Corp | Bend straightening device for sheet metal |
| CN103252358A (en) * | 2013-05-21 | 2013-08-21 | 东北大学 | Correction method of wide and thick plate camber |
| CN103752623A (en) * | 2013-12-27 | 2014-04-30 | 首钢总公司 | Automatic control method for improving camber of rough mill intermediate billet |
| CN104942047A (en) * | 2015-05-22 | 2015-09-30 | 泰安华鲁锻压机床有限公司 | Leveling method for correcting camber of board |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109909324A (en) | 2019-06-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107363509B (en) | Compressor rotor assembly system and assembly method | |
| CN109909324B (en) | Hot rolled plate camber correction equipment and method | |
| CN102909285B (en) | Automatic steel plate cropping material feeding mechanism | |
| CN207057490U (en) | One kind automation progressive stamping equipment | |
| CN205096417U (en) | Automatic unloader that goes up of steel pipe punching press | |
| CN104889281A (en) | Full-automatic plate shearing machine | |
| CN106003455A (en) | Full-automatic control system for rubber sheet cooling of tire factory | |
| CN105403801A (en) | Automatic aging and testing production line | |
| CN205263222U (en) | Automatic change aging testing production line | |
| CN107486701B (en) | Rotor press-fitting system and press-fitting method | |
| CN206384488U (en) | A kind of multi-functional automatic material receptacle | |
| JP6587416B2 (en) | Press system and control method of press system | |
| CN207447082U (en) | A kind of end automatic punching line system | |
| CN206779198U (en) | A kind of double bender | |
| CN208544846U (en) | A kind of glass automatic push machine on assembly line | |
| CN215237388U (en) | Automatic continuous receiving device of punch press | |
| CN208083175U (en) | A kind of cable testing bridge automatic assembly line | |
| CN204399926U (en) | Intelligent cargo cabinet enters goods system | |
| CN207103651U (en) | A kind of stamping parts automates lean production line | |
| CN112298717B (en) | Manipulator for automatically tearing product protection film | |
| CN210450412U (en) | Bending machine with safety protection device | |
| CN208663884U (en) | A kind of file cutting machine | |
| CN207548460U (en) | The high-speed cutting machine of detectable Buddha's warrior attendant thread breakage | |
| CN107570981B (en) | Rotor feeding system and feeding method | |
| CN210064301U (en) | Automatic height-limiting detection feeder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |