CN106975675A - The wind-powered electricity generation steel-pipe pile shell rolling technique of system and the application system is monitored and controlled in a kind of light sensation of veneer reeling machine - Google Patents
The wind-powered electricity generation steel-pipe pile shell rolling technique of system and the application system is monitored and controlled in a kind of light sensation of veneer reeling machine Download PDFInfo
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- CN106975675A CN106975675A CN201710156596.8A CN201710156596A CN106975675A CN 106975675 A CN106975675 A CN 106975675A CN 201710156596 A CN201710156596 A CN 201710156596A CN 106975675 A CN106975675 A CN 106975675A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/004—Bending sheet metal along straight lines, e.g. to form simple curves with program control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/08—Making tubes with welded or soldered seams
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
Abstract
The invention discloses the wind-powered electricity generation steel-pipe pile shell rolling technique that system and the application system is monitored and controlled in a kind of light sensation of veneer reeling machine, system, including on-line monitoring system and feedback control system is monitored and controlled in the light sensation of veneer reeling machine；Using the wind-powered electricity generation shell rolling technique of the system is hung including sample making, steel plate inspection, steel plate pre-roll, roll-forming, longitudinal joint cleaning, longitudinal joint adjustment, welding, cylinder, secondary school circle, cylinder are repaired.The advantage of the invention is that：System is monitored and controlled based on optical detection in light sensation, the modern science and technology such as photoelectronics, computer technology, laser technology, image processing techniques, automatic control technology are combined together, the light, mechanical, electrical synthesis on-line measurement control system of composition, have the advantages that noncontact, high speed, dynamic range be big, informative, wind-powered electricity generation cylinder is monitored and controlled system using light sensation in coiling process and radian is monitored and continuously rolled, automaticity is improved, greatly improves and rolls precision and efficiency.
Description
Technical field
The invention belongs to wind-powered electricity generation steel-pipe pile shell rolling field, and in particular to system is monitored and controlled in a kind of light sensation of veneer reeling machine
The wind-powered electricity generation steel-pipe pile shell rolling technique of system and the application system.
Background technology
In recent years, Oversea wind power generation as reproducible clean energy resource by countries in the world government, energy circle and environmental protection
The great attention on boundary, wind-powered electricity generation steel-pipe pile is the stand column pile below wind-driven generator insertion sea level, main support wind-driven generator
Group and its significant components, therefore the making of wind-powered electricity generation steel-pipe pile is particularly important, and in the manufacturing process of wind-powered electricity generation steel-pipe pile, wind
Electric rolling for steel-pipe pile cylinder always compares distinct issues.
The domestic detection means to veneer reeling machine large deformation plate or relatively backward, cylinder quality control in forming process
Outstanding problem, the cylindricity of cylinder shaping can not ensure that online measuring technique can improve precision and the reduction workman's work of detection
Intensity, greatly improves the efficiency of production, for the paces immediately following global extra large work Administration ＆ Mechanical Development, to large-scale mechanical-electrical-hydraulic integration roll bending
The automatic improving of machine is imperative.Now both at home and abroad the instrument that is used in terms of Form and position error monitoring have three coordinate measuring machine,
Roundness measuring equipment and shape measuring instrument etc., these instrument prices are expensive, higher to detection environmental requirement, and measurement range is limited to medium and small chi
Very little part, and detection project is more single, can not be used for the measurement of large-scale part Form and position error, it is restrictive larger.Pass
The form and position error measurement of system is mostly contact type measurement, and conventional measuring method has：Axle center basic taper method, coordinate method, two-point method and
Line-of-sight course etc., and these traditional contact type measurement methods are in the presence of composition error when measuring is big, workload is big, easy damaged workpiece table
Face, limitation is limited etc. by measuring environment.
Therefore need to propose a kind of rational technology, roll that difficulty is small, improve and roll precision and efficiency, ensure cylinder safety
System is monitored and controlled and imperative using the wind-powered electricity generation steel-pipe pile shell rolling technique of the system in the light sensation of veneer reeling machine.
The content of the invention
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to which a kind of improve of existing offer rolls precision and efficiency, rolled
Difficulty is small, rational technology, the wind-powered electricity generation steel for ensureing the light sensation monitoring and control system and application of veneer reeling machine of cylinder the safety system
Pile tube shell rolling technique.
In order to solve the above technical problems, the technical solution adopted by the present invention is：A kind of light sensation of veneer reeling machine is monitored and controlled
System, including
One on-line monitoring system, the on-line monitoring system include CCD curvature sensors, laser displacement sensor, monitoring camera-shooting,
Upper roller horizontal displacement magnetic railings ruler, upper roller lifting magnetic railings ruler and lower roll rotary encoder；
One feedback control system, the feedback control system includes PLC, industrial computer, display and control panel, the PLC bags
Analog input mModule, communication module, power module, counter module, switching value module are included, wherein power module includes power supply
And CPU, counter module include counter module 01, counter module 02, counter module 03, counter module 04, open
Pass amount module includes switching value output module, On-off signal output module；
The CCD curvature sensors, laser displacement sensor and Analog input mModule are connected, upper roller horizontal displacement magnetic railings ruler,
Upper roller lifts magnetic railings ruler and lower roll rotary encoder is connected with counter module, the Analog input mModule, communication module, electricity
Source module, counter module, switching value module are connected with industrial computer, while industrial computer is connected with monitoring camera-shooting, display；
The monitoring method of system is monitored and controlled in the light sensation of veneer reeling machine, and it is comprised the following steps that：
A, veneer reeling machine energization start roll bending work after starting, CCD curvature sensors and laser ranging sensing during roll bending
Device starts detection curvature signal and displacement signal, and curvature signal and displacement signal are transferred into Analog input mModule；
Curvature signal and displacement signal are carried out uploading after calculating processing by b, Analog input mModule by the CPU of power module
It is processed and displayed to industrial computer, whether industrial computer start to process analysis curvature or displacement reach requirement；
C, when curvature or displacement reach requirement, veneer reeling machine continues roll bending work, when curvature, which is not reaching to, to be required, industrial computer
Lower roll rotary encoder is transmitted a signal to, lower roll rotary encoder receives signal, and counter module adopts these data-signals
Collect after finishing again to CPU, be compared analysis with Controlling model built in industrial computer, form new control instruction, pass through the mould that communicates
Block is transmitted to industrial computer, industrial computer data variable is modified after under be transmitted to PLC, sent by PLC switching value output module
Instruction is transferred to servo valve and drives the oil cylinder and hydraulic test of lower roll, promotes the lower roll of veneer reeling machine in new control instruction backspin
Turn；When the displacement that range sensor is obtained is excessive, counter module is carried out to CPU again after these data signal acquisitions are finished
Analysis, transmitted by communication module to industrial computer, industrial computer data variable is modified after under be transmitted to PLC, by PLC switch
Amount output module sends instruction and is transferred to servo valve and drives upper roller oil cylinder and hydraulic test, promotes upper roller amendment horizontal displacement；
When range sensor obtain displacement it is too small when, counter module these data signal acquisitions are finished after again give CPU, with magnetic grid
Chi detection data be analyzed, major parameter in molding control model is modified, by communication module transmit to
Industrial computer, industrial computer data variable is modified after under be transmitted to PLC, by PLC switching value output module send instruction transmission
To servo valve and the upper roller oil cylinder of driving and hydraulic test, perform new control instruction and promote upper roller to carry out elevating movement, until
Meet rolling machining requirement；
D, the limit switch of On-off signal output module and current limiter receive signal and carry out it is spacing, detect again curvature and
Whether displacement reaches requirement；
E, when curvature and displacement are not reaching to when requiring, turn again to above-mentioned steps c, when curvature and displacement reach requirement, stop
Only roll bending works.
The wind-powered electricity generation shell rolling technique of system, including sample making, steel plate inspection, steel is monitored and controlled in a kind of application light sensation
Plate pre-roll, automatically monitoring roll-forming, longitudinal joint are cleared up, longitudinal joint is adjusted, weld, cylinder is hung, secondary school is justified, cylinder repairing.
Further, it is comprised the following steps that：
（1）Sample making：Radius gauge is made, thickness is used for 10mm steel plate, is formed by plate shearing machine for blanking reprocessing periphery
One radius gauge, two planes need to be smoothed directly during processing, and big osculum end radius gauge chord length is more than or equal to 600mm, works as barrel diameter
During more than or equal to 4500mm, the big osculum end chord length of radius gauge is more than or equal to 800mm；
（2）Steel plate is checked：Plate surface quality is checked, if surface of steel plate has bubble, crackle, scabs, is mingled with, being layered, being pressed into oxygen
Change the foreign matter of skin, foreign matter is processed by shot blasting, the slag that cuts of cut edge is cleaned out by electric mill；Cylinder number is checked, just
In selection radius gauge；Polish longitudinal joint butting grooves and more than edge 25mm；
（3）Steel plate pre-roll：By steel plate feeding three rolls plate bending machine carry out pre-roll, the three rolls plate bending machine include base, left and right support,
Two lower rolls, a upper roller and reducing gear, coordinate steel plate conveying bed to carry out end part aligning with the lower roll of three rolls plate bending machine, will be upper
Roller keeps tilting, an end head about 200-300mm of pre-bending steel plate, and uses step（1）In radius gauge check big osculum end
The circular arc in portion；
（4）Automatic monitoring roll-forming：Step（3）After the circular arc of big osculum end is qualified, system is monitored and controlled by light sensation
Radian is monitored and continuously rolled；
（5）Longitudinal joint is cleared up：The greasy dirt and iron rust cleared up in the range of the longitudinal joint each 20-30mm in both sides, respectively with heat alkali liquid, watery hydrochloric acid
Greasy dirt and iron rust on steel plate is cleaned out；
（6）Longitudinal joint is adjusted：Unfitness of butt joint and the gap of longitudinal joint counterpart are adjusted, when steel plate or so unfitness of butt is less than or equal to 1mm, with
The body end surface offset of flange docking is less than or equal to 0.5 ㎜, and when thickness unfitness of butt joint is less than or equal to 1 ㎜, group is less than to gap
Equal to 1 ㎜；
（7）Welding：Longitudinal joint spot welding is carried out first, and spot welding length is not shorter than 20mm, and group is to being smaller than being equal to 300mm；Secondly in cylinder
Run-on tab is welded in body two ends by welding by both sides, and thickness and the cylinder of run-on tab are consistent, and run-on tab soldering angle is protected with steel plate
Water holding is put down, and weld length is more than or equal to 2/3rds of run-on tab length；Back cover is finally carried out using CO2 gas shielded arc weldings
Weldering, sealing bead highly should be less than being equal to 4mm, sealing bead high uniformity, surfacing；
（8）Cylinder is hung：Cylinder is hung by veneer reeling machine to cylinder using special U-shaped suspender or chain drop hanger and stacks region；
（9）Secondary school circle：Run-on tab is unloaded using gouge excision, ensures not damage the welding slope at the position during excision
Mouth and misrun；Office at the natural transition of cylinder circular arc and uniform smooth after school circle, school circle, longitudinal joint is carried out using three rolls plate bending machine
Portion's camber should meet following formula requirement：E≤（0.1t+1）Mm, wherein E are the length of longitudinal joint camber, and t is the thickness of steel plate
Degree；The cylinder ovality that control cylinder is connected with flange, the measurement of four diameters is carried out to cylinder, the diameter difference of four measurements is most
Greatly≤25mm, if during shell ring diameter≤2800mm, the diameter difference maximum of four measurements answers≤20mm；
（10）Cylinder is repaired：Drum surface damage is repaiied, mended, ground.
Further, step（9）During secondary school circle, the step of controlling the cylinder ovality being connected with flange is such as
Under：
Check：Check whether cleaned on roller, if any oxide skin, it is necessary to be cleared up, to avoid the generation in crater；Check cylinder
The circularity of three positions, respectively 6 positions, 7 thirty position, 9 thirty position, according to the thickness of slab of these three positions, control pair
The circularity requirement answered, check the circularity of cylinder above three position, it is qualified after enter subsequent processing, unqualified circularity requirement
Cylinder using three rolls plate bending machine proceed school circle；
Hui Yuan：The side gesture for returning sired results dress is polished smooth, there must not be any acute angle；In circular arc smaller area, with iron block pad in cylinder
Internal side, pads upper polyurethane material, thickness is 5-10mm between iron block and inside cartridge, with Samsung roller rolling machine to entering on the inside of cylinder
Row upper roller is pushed, and the Samsung roller rolling machine includes a upper roller, two lower rolls, base, left and right support, a reductor；Circular arc compared with
Big region, is rolled with four star roller rolling machines, the four stars roller rolling machine is sidewindered including a upper roller, a lower roll, two, base,
Left and right support, a reductor；The circular arc of 1 meter of scope inside and outside longitudinal joint region, detection longitudinal joint, detects qualified rear into next
Process, detects that the underproof circle that proceeds back is handled；
Go out cylinder：Cylinder longitudinal joint is in 6 positions when going out tin, and longitudinal joint is gone into 7-8 points position after placing stockyard；
Check and record：, it is necessary to use straight steel ruler sample plate and cylinder when operating personnel, reviewer are checked using model
Between maximum, by reference to value carry out scene judge cylinder roundness whether meet the requirements, for satisfactory cylinder carry out
Next process, defined stacking region is placed for not meeting the cylinder of cylinder requirement；Tower section number code is recorded on cylinder, and
Carry out mark.
Beneficial effects of the present invention are as follows：
1st, the light sensation of veneer reeling machine is monitored and controlled system and rolled up by the way of vision measurement and laser range sensor are combined
The deformation monitoring of plate and the information source of control, vision measurement are used as computer vision and many achievements in research of image processing field
Applied to a class non-contact measurement method formed by fields of measurement, with data processing flexibly, quick, image rendition it is good,
The prominent advantage such as live strong antijamming capability, is the reality of on-line monitoring system the need for being well positioned to meet modern manufacturing industry
Now provide a preferable means.On-line monitoring system will monitor roll bending by laser displacement sensor and CCD video monitorings
Bending and deformation situation, and by the real time data returned data processing unit such as the position of plate and deformation, by right
The analysis of real-time feedback data, is constantly modified to the setting model that veneer reeling machine works, and specific controling parameter is carried out not
Disconnected amendment, data processing unit issues instructions to the control system of veneer reeling machine, by controlling veneer reeling machine to roll angle or roll bending speed
The mode of degree, allows roll bending once Cheng Yuan, improves production efficiency.
Based on optical detection, by photoelectronics, computer technology, laser technology, image processing techniques, automatically control
The modern science and technology such as technology combine together, and light, mechanical, electrical synthesis on-line measurement control system are constituted, with noncontact, height
Speed, dynamic range are big, informative many advantages, such as, be one kind based on machine vision, with reference to image procossing, pattern
The non-contact forecasting method of the technology such as identification and artificial intelligence, strong antijamming capability etc. fast with noncontact, measuring speed
Advantage, is especially suitable for veneer reeling machine quality on-line monitoring and automatically controls, provide important for the production monitoring of large-diameter catheter frame
Technical support.
2nd, wind-powered electricity generation shell rolling technique is monitored and controlled system using light sensation in coiling process and radian is monitored simultaneously
Continuously roll, improve automaticity, greatly improve and roll precision and efficiency；Preparation before rolling directly affects cylinder
Surface quality and welding quality, carry out whole processing step rational and orderly；Steel plate conveying bed is coordinated to enter with central roll during feeding
Row end part aligning, angle is altered to prevent coiling process；Coiling process first passes through pre-bending and eliminates straight flange, then carries out Curved Continuous and circumnutate
System, improve cylinder rolls precision；The step of longitudinal joint group pair ensures that longitudinal joint gap, weld bead height and surfacing strictly reach and wanted
Ask；Run-on tab is unloaded in secondary school circle, gouge excision run-on tab, it is ensured that do not damage the welding groove of weld seam weld and lack
Meat；Because top section upper flange planarity requirements are high, the second cylinder of top section upper flange side should control the local deformation of circular arc and ellipse
Four diameter measurements are carried out in circularity, therefore secondary school circle, the cylinder ovality requirement of flange connection is satisfied with.
3rd, the step of cylinder ovality that control is connected with flange, includes inspection, Hui Yuan, goes out cylinder, checks with recording,
During Hui Yuan, circle method is returned by different to the regions of different circular arc sizes, in order to avoid cause folding line on the inside of cylinder, it is ensured that
The quality of cylinder, reduces spoilage.
Brief description of the drawings
The control principle drawing of system is monitored and controlled for the light sensation of the present invention by Fig. 1.
The logic control chart of system is monitored and controlled for the light sensation of the present invention by Fig. 2.
The wind-powered electricity generation shell rolling processing step of system is monitored and controlled for the application light sensation of the present invention by Fig. 3（9）Middle cylinder body is justified
The code requirement schematic diagram of localized indentation director's degree at arc longitudinal joint.
The wind-powered electricity generation shell rolling processing step of system is monitored and controlled for the application light sensation of the present invention by Fig. 4（9）Middle cylinder body is justified
The code requirement schematic diagram of Local Convex director's degree at arc longitudinal joint.
The wind-powered electricity generation shell rolling processing step of system is monitored and controlled for the application light sensation of the present invention by Fig. 5（9）Middle flange connects
Connect the detects schematic diagram of cylinder ovality.
Embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book understands other advantages and effect of the present invention easily.
System is monitored and controlled in a kind of light sensation of veneer reeling machine, including
One on-line monitoring system, on-line monitoring system includes CCD curvature sensors, laser displacement sensor, monitoring camera-shooting, upper roller
Horizontal displacement magnetic railings ruler, upper roller lifting magnetic railings ruler and lower roll rotary encoder；
One feedback control system, feedback control system includes PLC, industrial computer, display and control panel, and PLC includes analog quantity
Input module, communication module, power module, counter module, switching value module, wherein power module include power supply and CPU,
Counter module includes counter module 01, counter module 02, counter module 03, counter module 04, switching value module
Including switching value output module, On-off signal output module；
CCD curvature sensors, laser displacement sensor and Analog input mModule are connected, upper roller horizontal displacement magnetic railings ruler, upper roller
Lifting magnetic railings ruler and lower roll rotary encoder be connected with counter module, Analog input mModule, communication module, power module,
Counter module, switching value module are connected with industrial computer, while industrial computer is connected with monitoring camera-shooting, display；
The monitoring method of system is monitored and controlled in the light sensation of veneer reeling machine, and it is comprised the following steps that：
A, veneer reeling machine energization start roll bending work after starting, CCD curvature sensors and laser ranging sensing during roll bending
Device starts detection curvature signal and displacement signal, and curvature signal and displacement signal are transferred into Analog input mModule；
Curvature signal and displacement signal are carried out uploading after calculating processing by b, Analog input mModule by the CPU of power module
It is processed and displayed to industrial computer, whether industrial computer start to process analysis curvature or displacement reach requirement；
C, when curvature or displacement reach requirement, veneer reeling machine continues roll bending work, when curvature, which is not reaching to, to be required, industrial computer
Lower roll rotary encoder is transmitted a signal to, lower roll rotary encoder receives signal, and counter module adopts these data-signals
Collect after finishing again to CPU, be compared analysis with Controlling model built in industrial computer, form new control instruction, pass through the mould that communicates
Block is transmitted to industrial computer, industrial computer data variable is modified after under be transmitted to PLC, sent by PLC switching value output module
Instruction is transferred to servo valve and drives the oil cylinder and hydraulic test of lower roll, promotes the lower roll of veneer reeling machine in new control instruction backspin
Turn；When the displacement that range sensor is obtained is excessive, counter module is carried out to CPU again after these data signal acquisitions are finished
Analysis, transmitted by communication module to industrial computer, industrial computer data variable is modified after under be transmitted to PLC, by PLC switch
Amount output module sends instruction and is transferred to servo valve and drives upper roller oil cylinder and hydraulic test, promotes upper roller amendment horizontal displacement；
When range sensor obtain displacement it is too small when, counter module these data signal acquisitions are finished after again give CPU, with magnetic grid
Chi detection data be analyzed, major parameter in molding control model is modified, by communication module transmit to
Industrial computer, industrial computer data variable is modified after under be transmitted to PLC, by PLC switching value output module send instruction transmission
To servo valve and the upper roller oil cylinder of driving and hydraulic test, perform new control instruction and promote upper roller to carry out elevating movement, until
Meet rolling machining requirement；
D, the limit switch of On-off signal output module and current limiter receive signal and carry out it is spacing, detect again curvature and
Whether displacement reaches requirement；
E, when curvature and displacement are not reaching to when requiring, turn again to above-mentioned steps c, when curvature and displacement reach requirement, stop
Only roll bending works.
The wind-powered electricity generation shell rolling technique of system, including sample making, steel plate inspection, steel is monitored and controlled in a kind of application light sensation
Plate pre-roll, automatically monitoring roll-forming, longitudinal joint are cleared up, longitudinal joint is adjusted, weld, cylinder is hung, secondary school is justified, cylinder repairing.
It is comprised the following steps that：
（1）Sample making：Radius gauge is made, thickness is used for 10mm steel plate, is formed by plate shearing machine for blanking reprocessing periphery
One radius gauge, two planes need to be smoothed directly during processing, and big osculum end radius gauge chord length is more than or equal to 600mm, works as barrel diameter
During more than or equal to 4500mm, the big osculum end chord length of radius gauge is more than or equal to 800mm；
（2）Steel plate is checked：Plate surface quality is checked, if surface of steel plate has bubble, crackle, scabs, is mingled with, being layered, being pressed into oxygen
Change the foreign matter of skin, foreign matter is processed by shot blasting, the slag that cuts of cut edge is cleaned out by electric mill；Cylinder number is checked, just
In selection radius gauge；Polish longitudinal joint butting grooves and more than edge 25mm；
（3）Steel plate pre-roll：By steel plate feeding three rolls plate bending machine carry out pre-roll, the three rolls plate bending machine include base, left and right support,
Two lower rolls, a upper roller and reducing gear, coordinate steel plate conveying bed to carry out end part aligning with the lower roll of three rolls plate bending machine, will be upper
Roller keeps tilting, an end head about 200-300mm of pre-bending steel plate, and uses step（1）In radius gauge check big osculum end
The circular arc in portion；
（4）Automatic monitoring roll-forming：Step（3）After the circular arc of big osculum end is qualified, system is monitored and controlled by light sensation
Radian is monitored and continuously rolled；
（5）Longitudinal joint is cleared up：The greasy dirt and iron rust cleared up in the range of the longitudinal joint each 20-30mm in both sides, respectively with heat alkali liquid, watery hydrochloric acid
Greasy dirt and iron rust on steel plate is cleaned out；
（6）Longitudinal joint is adjusted：Unfitness of butt joint and the gap of longitudinal joint counterpart are adjusted, when steel plate or so unfitness of butt is less than or equal to 1mm, with
The body end surface offset of flange docking is less than or equal to 0.5 ㎜, and when thickness unfitness of butt joint is less than or equal to 1 ㎜, group is less than to gap
Equal to 1 ㎜；
（7）Welding：Longitudinal joint spot welding is carried out first, and spot welding length is not shorter than 20mm, and group is to being smaller than being equal to 300mm；Secondly in cylinder
Run-on tab is welded in body two ends by welding by both sides, and thickness and the cylinder of run-on tab are consistent, and run-on tab soldering angle is protected with steel plate
Water holding is put down, and weld length is more than or equal to 2/3rds of run-on tab length；Back cover is finally carried out using CO2 gas shielded arc weldings
Weldering, sealing bead highly should be less than being equal to 4mm, sealing bead high uniformity, surfacing；
（8）Cylinder is hung：Cylinder is hung by veneer reeling machine to cylinder using special U-shaped suspender or chain drop hanger and stacks region；
（9）Secondary school circle：Run-on tab is unloaded using gouge excision, ensures not damage the welding slope at the position during excision
Mouth and misrun；Office at the natural transition of cylinder circular arc and uniform smooth after school circle, school circle, longitudinal joint is carried out using three rolls plate bending machine
Portion's camber should meet following formula requirement：E≤（0.1t+1）Mm, wherein E are the length of longitudinal joint camber, and t is the thickness of steel plate
Degree；The cylinder ovality that control cylinder is connected with flange, the measurement of four diameters is carried out to cylinder, the diameter difference of four measurements is most
Greatly≤25mm, if during shell ring diameter≤2800mm, the diameter difference maximum of four measurements answers≤20mm；
（10）Cylinder is repaired：Drum surface damage is repaiied, mended, ground.
Wherein, step（9）During secondary school circle, the step of controlling the cylinder ovality being connected with flange is as follows：
Check：Check whether cleaned on roller, if any oxide skin, it is necessary to be cleared up, to avoid the generation in crater；Check cylinder
The circularity of three positions, respectively 6 positions, 7 thirty position, 9 thirty position, according to the thickness of slab of these three positions, control pair
The circularity requirement answered, check the circularity of cylinder above three position, it is qualified after enter subsequent processing, unqualified circularity requirement
Cylinder using three rolls plate bending machine proceed school circle；
Hui Yuan：The side gesture for returning sired results dress is polished smooth, there must not be any acute angle；In circular arc smaller area, with iron block pad in cylinder
Internal side, pads upper polyurethane material, thickness is 5-10mm between iron block and inside cartridge, with Samsung roller rolling machine to entering on the inside of cylinder
Row upper roller is pushed, and the Samsung roller rolling machine includes a upper roller, two lower rolls, base, left and right support, a reductor；Circular arc compared with
Big region, is rolled with four star roller rolling machines, the four stars roller rolling machine is sidewindered including a upper roller, a lower roll, two, base,
Left and right support, a reductor；The circular arc of 1 meter of scope inside and outside longitudinal joint region, detection longitudinal joint, detects qualified rear into next
Process, detects that the underproof circle that proceeds back is handled；
Go out cylinder：Cylinder longitudinal joint is in 6 positions when going out tin, and longitudinal joint is gone into 7-8 points position after placing stockyard；
Check and record：, it is necessary to use straight steel ruler sample plate and cylinder when operating personnel, reviewer are checked using model
Between maximum, by reference to value carry out scene judge cylinder roundness whether meet the requirements, for satisfactory cylinder carry out
Next process, defined stacking region is placed for not meeting the cylinder of cylinder requirement；Tower section number code is recorded on cylinder, and
Carry out mark.
6 positions of cylinder, 7 thirty position, 9 thirty position circularity requirement
Above-described embodiment is presently preferred embodiments of the present invention, is not the limitation to technical solution of the present invention, as long as without
The technical scheme that creative work can be realized on the basis of above-described embodiment is crossed, is regarded as falling into the power of patent of the present invention
In sharp protection domain.
Claims (4)
1. system is monitored and controlled in a kind of light sensation of veneer reeling machine, it is characterised in that：Including
One on-line monitoring system, the on-line monitoring system include CCD curvature sensors, laser displacement sensor, monitoring camera-shooting,
Upper roller horizontal displacement magnetic railings ruler, upper roller lifting magnetic railings ruler and lower roll rotary encoder；
One feedback control system, the feedback control system includes PLC, industrial computer, display and control panel, the PLC bags
Analog input mModule, communication module, power module, counter module, switching value module are included, wherein power module includes power supply
And CPU, counter module include counter module 01, counter module 02, counter module 03, counter module 04, open
Pass amount module includes switching value output module, On-off signal output module；
The CCD curvature sensors, laser displacement sensor and Analog input mModule are connected, upper roller horizontal displacement magnetic railings ruler,
Upper roller lifts magnetic railings ruler and lower roll rotary encoder is connected with counter module, the Analog input mModule, communication module, electricity
Source module, counter module, switching value module are connected with industrial computer, while industrial computer is connected with monitoring camera-shooting, display；
The monitoring method of system is monitored and controlled in the light sensation of veneer reeling machine, and it is comprised the following steps that：
A, veneer reeling machine energization start roll bending work after starting, CCD curvature sensors and laser ranging sensing during roll bending
Device starts detection curvature signal and displacement signal, and curvature signal and displacement signal are transferred into Analog input mModule；
Curvature signal and displacement signal are carried out uploading after calculating processing by b, Analog input mModule by the CPU of power module
It is processed and displayed to industrial computer, whether industrial computer start to process analysis curvature or displacement reach requirement；
C, when curvature or displacement reach requirement, veneer reeling machine continues roll bending work, when curvature, which is not reaching to, to be required, industrial computer
Lower roll rotary encoder is transmitted a signal to, lower roll rotary encoder receives signal, and counter module adopts these data-signals
Collect after finishing again to CPU, be compared analysis with Controlling model built in industrial computer, form new control instruction, pass through the mould that communicates
Block is transmitted to industrial computer, industrial computer data variable is modified after under be transmitted to PLC, sent by PLC switching value output module
Instruction is transferred to servo valve and drives the oil cylinder and hydraulic test of lower roll, promotes the lower roll of veneer reeling machine in new control instruction backspin
Turn；When the displacement that range sensor is obtained is excessive, counter module is carried out to CPU again after these data signal acquisitions are finished
Analysis, transmitted by communication module to industrial computer, industrial computer data variable is modified after under be transmitted to PLC, by PLC switch
Amount output module sends instruction and is transferred to servo valve and drives upper roller oil cylinder and hydraulic test, promotes upper roller amendment horizontal displacement；
When range sensor obtain displacement it is too small when, counter module these data signal acquisitions are finished after again give CPU, with magnetic grid
Chi detection data be analyzed, major parameter in molding control model is modified, by communication module transmit to
Industrial computer, industrial computer data variable is modified after under be transmitted to PLC, by PLC switching value output module send instruction transmission
To servo valve and the upper roller oil cylinder of driving and hydraulic test, perform new control instruction and promote upper roller to carry out elevating movement, until
Meet rolling machining requirement；
D, the limit switch of On-off signal output module and current limiter receive signal and carry out it is spacing, detect again curvature and
Whether displacement reaches requirement；
E, when curvature and displacement are not reaching to when requiring, turn again to above-mentioned steps c, when curvature and displacement reach requirement, stop
Only roll bending works.
2. the wind-powered electricity generation shell rolling technique of system, its feature is monitored and controlled in a kind of a kind of application light sensation based on claim 1
It is：Including sample making, steel plate inspection, steel plate pre-roll, automatically monitoring roll-forming, longitudinal joint cleaning, longitudinal joint adjustment, welding,
Cylinder is hung, secondary school circle, cylinder are repaired.
3. the wind-powered electricity generation shell rolling technique of system is monitored and controlled in a kind of application light sensation according to claim 2, its feature exists
In：It is comprised the following steps that：
（1）Sample making：Radius gauge is made, thickness is used for 10mm steel plate, is formed by plate shearing machine for blanking reprocessing periphery
One radius gauge, two planes need to be smoothed directly during processing, and big osculum end radius gauge chord length is more than or equal to 600mm, works as barrel diameter
During more than or equal to 4500mm, the big osculum end chord length of radius gauge is more than or equal to 800mm；
（2）Steel plate is checked：Plate surface quality is checked, if surface of steel plate has bubble, crackle, scabs, is mingled with, being layered, being pressed into oxygen
Change the foreign matter of skin, foreign matter is processed by shot blasting, the slag that cuts of cut edge is cleaned out by electric mill；Cylinder number is checked, just
In selection radius gauge；Polish longitudinal joint butting grooves and more than edge 25mm；
（3）Steel plate pre-roll：By steel plate feeding three rolls plate bending machine carry out pre-roll, the three rolls plate bending machine include base, left and right support,
Two lower rolls, a upper roller and reducing gear, coordinate steel plate conveying bed to carry out end part aligning with the lower roll of three rolls plate bending machine, will be upper
Roller keeps tilting, an end head about 200-300mm of pre-bending steel plate, and uses step（1）In radius gauge check big osculum end
The circular arc in portion；
（4）Automatic monitoring roll-forming：Step（3）After the circular arc of big osculum end is qualified, system is monitored and controlled by light sensation
Radian is monitored and continuously rolled；
（5）Longitudinal joint is cleared up：The greasy dirt and iron rust cleared up in the range of the longitudinal joint each 20-30mm in both sides, respectively with heat alkali liquid, watery hydrochloric acid
Greasy dirt and iron rust on steel plate is cleaned out；
（6）Longitudinal joint is adjusted：Unfitness of butt joint and the gap of longitudinal joint counterpart are adjusted, when steel plate or so unfitness of butt is less than or equal to 1mm, with
The body end surface offset of flange docking is less than or equal to 0.5 ㎜, and when thickness unfitness of butt joint is less than or equal to 1 ㎜, group is less than to gap
Equal to 1 ㎜；
（7）Welding：Longitudinal joint spot welding is carried out first, and spot welding length is not shorter than 20mm, and group is to being smaller than being equal to 300mm；Secondly in cylinder
Run-on tab is welded in body two ends by welding by both sides, and thickness and the cylinder of run-on tab are consistent, and run-on tab soldering angle is protected with steel plate
Water holding is put down, and weld length is more than or equal to 2/3rds of run-on tab length；Back cover is finally carried out using CO2 gas shielded arc weldings
Weldering, sealing bead highly should be less than being equal to 4mm, sealing bead high uniformity, surfacing；
（8）Cylinder is hung：Cylinder is hung by veneer reeling machine to cylinder using special U-shaped suspender or chain drop hanger and stacks region；
（9）Secondary school circle：Run-on tab is unloaded using gouge excision, ensures not damage the welding slope at the position during excision
Mouth and misrun；Office at the natural transition of cylinder circular arc and uniform smooth after school circle, school circle, longitudinal joint is carried out using three rolls plate bending machine
Portion's camber should meet following formula requirement：E≤（0.1t+1）Mm, wherein E are the length of longitudinal joint camber, and t is the thickness of steel plate
Degree；The cylinder ovality that control cylinder is connected with flange, the measurement of four diameters is carried out to cylinder, the diameter difference of four measurements is most
Greatly≤25mm, if during shell ring diameter≤2800mm, the diameter difference maximum of four measurements answers≤20mm；
（10）Cylinder is repaired：Drum surface damage is repaiied, mended, ground.
4. the wind-powered electricity generation steel of system and the application system is monitored and controlled in a kind of light sensation of veneer reeling machine according to Claims 2 or 3
Pile tube shell rolling technique, it is characterised in that：The step（9）During secondary school circle, the cylinder being connected with flange is controlled
The step of ovality, is as follows：
Check：Check whether cleaned on roller, if any oxide skin, it is necessary to be cleared up, to avoid the generation in crater；Check cylinder
The circularity of three positions, respectively 6 positions, 7 thirty position, 9 thirty position, according to the thickness of slab of these three positions, control pair
The circularity requirement answered, check the circularity of cylinder above three position, it is qualified after enter subsequent processing, unqualified circularity requirement
Cylinder using three rolls plate bending machine proceed school circle；
Hui Yuan：The side gesture for returning sired results dress is polished smooth, there must not be any acute angle；In circular arc smaller area, with iron block pad in cylinder
Internal side, pads upper polyurethane material, thickness is 5-10mm between iron block and inside cartridge, with Samsung roller rolling machine to entering on the inside of cylinder
Row upper roller is pushed, and the Samsung roller rolling machine includes a upper roller, two lower rolls, base, left and right support, a reductor；Circular arc compared with
Big region, is rolled with four star roller rolling machines, the four stars roller rolling machine is sidewindered including a upper roller, a lower roll, two, base,
Left and right support, a reductor；The circular arc of 1 meter of scope inside and outside longitudinal joint region, detection longitudinal joint, detects qualified rear into next
Process, detects that the underproof circle that proceeds back is handled；
Go out cylinder：Cylinder longitudinal joint is in 6 positions when going out tin, and longitudinal joint is gone into 7-8 points position after placing stockyard；
Check and record：, it is necessary to use straight steel ruler sample plate and cylinder when operating personnel, reviewer are checked using model
Between maximum, by reference to value carry out scene judge cylinder roundness whether meet the requirements, for satisfactory cylinder carry out
Next process, defined stacking region is placed for not meeting the cylinder of cylinder requirement；Tower section number code is recorded on cylinder, and
Carry out mark.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710156596.8A CN106975675B (en) | 2017-03-16 | 2017-03-16 | System and shell rolling technique is monitored and controlled in the light sensation of veneer reeling machine |
| PCT/CN2017/119636 WO2018166274A1 (en) | 2017-03-16 | 2017-12-29 | Light-sensitive monitoring and control system for plate-rolling machine, and rolling process for wind-powered steel pipe pile barrel using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710156596.8A CN106975675B (en) | 2017-03-16 | 2017-03-16 | System and shell rolling technique is monitored and controlled in the light sensation of veneer reeling machine |
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| Publication Number | Publication Date |
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| CN106975675A true CN106975675A (en) | 2017-07-25 |
| CN106975675B CN106975675B (en) | 2019-05-17 |
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| WO (1) | WO2018166274A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018166274A1 (en) * | 2017-03-16 | 2018-09-20 | 南通蓝岛海洋工程有限公司 | Light-sensitive monitoring and control system for plate-rolling machine, and rolling process for wind-powered steel pipe pile barrel using same |
| CN111992601A (en) * | 2020-08-21 | 2020-11-27 | 中交三航(南通)海洋工程有限公司 | Method for measuring eccentricity of central axis in rolling process of large-diameter steel pipe pile |
| CN112247381A (en) * | 2020-08-21 | 2021-01-22 | 长春理工大学 | Guiding preheating and stress-relieving dynamic shape correcting device for thin-wall cylinder laser welding longitudinal joint |
| CN112676376A (en) * | 2020-12-30 | 2021-04-20 | 南通铭泰机床有限公司 | Method and system for improving control precision of numerically controlled plate bending machine |
| CN116274524A (en) * | 2023-02-17 | 2023-06-23 | 泰安华鲁锻压机床有限公司 | Production line of oversized four-roller plate bending machine |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201100882Y (en) * | 2007-07-05 | 2008-08-13 | 湖北鄂重重型机械有限公司 | Coiler remote diagnosis device |
| CN201145839Y (en) * | 2008-01-22 | 2008-11-05 | 南通恒力重工机械有限公司 | Lapping machine controlled by programmable computer controller |
| CN102375430A (en) * | 2011-10-14 | 2012-03-14 | 江苏科技大学 | Numerical control system of vision type four-roller veneer reeling machine |
| CN202632052U (en) * | 2012-05-07 | 2012-12-26 | 南通恒力重工机械有限公司 | Control mechanism of rolling machine controlled by programmable computer controller |
| CN103196917A (en) * | 2013-03-13 | 2013-07-10 | 同济大学 | CCD linear array camera-based online rolled sheet material surface flaw detection system and detection method thereof |
| KR20130117967A (en) * | 2012-04-19 | 2013-10-29 | 김광용 | Monitorinr system and method for wire drawing machine |
| CN103624114A (en) * | 2013-11-15 | 2014-03-12 | 新兴铸管股份有限公司 | Automatic metal pipe roundness correction system and processing method thereof |
| CN205414012U (en) * | 2016-03-06 | 2016-08-03 | 南通科技职业学院 | Go up control system of roller universal three rolls plate bending machine |
| CN106140905A (en) * | 2016-08-19 | 2016-11-23 | 南通超力卷板机制造有限公司 | The control system of three roller symmetrical expression numerical control plate bending rolls |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007029962A (en) * | 2005-07-22 | 2007-02-08 | Daido Machinery Ltd | Roll bender |
| CN202278046U (en) * | 2011-09-09 | 2012-06-20 | 西安兰石重工机械有限公司 | Displacement control device for lifting roller in plate rolling machine |
| CN204247775U (en) * | 2014-11-13 | 2015-04-08 | 上海施威重工成套有限公司 | Intelligent veneer reeling machine |
| CN105750826A (en) * | 2014-12-15 | 2016-07-13 | 重庆迅升机车配件有限公司 | Technology method for rolling barrel |
| CN105149384B (en) * | 2015-05-27 | 2018-11-16 | 南通超力卷板机制造有限公司 | Two roller differential variable curvature numerical control plate bending rolls and its application method |
| CN106041420A (en) * | 2016-06-20 | 2016-10-26 | 中国化学工程第三建设有限公司 | Barrel rolling technology |
| CN106975675B (en) * | 2017-03-16 | 2019-05-17 | 南通蓝岛海洋工程有限公司 | System and shell rolling technique is monitored and controlled in the light sensation of veneer reeling machine |
-
2017
- 2017-03-16 CN CN201710156596.8A patent/CN106975675B/en active Active
- 2017-12-29 WO PCT/CN2017/119636 patent/WO2018166274A1/en active Application Filing
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201100882Y (en) * | 2007-07-05 | 2008-08-13 | 湖北鄂重重型机械有限公司 | Coiler remote diagnosis device |
| CN201145839Y (en) * | 2008-01-22 | 2008-11-05 | 南通恒力重工机械有限公司 | Lapping machine controlled by programmable computer controller |
| CN102375430A (en) * | 2011-10-14 | 2012-03-14 | 江苏科技大学 | Numerical control system of vision type four-roller veneer reeling machine |
| KR20130117967A (en) * | 2012-04-19 | 2013-10-29 | 김광용 | Monitorinr system and method for wire drawing machine |
| CN202632052U (en) * | 2012-05-07 | 2012-12-26 | 南通恒力重工机械有限公司 | Control mechanism of rolling machine controlled by programmable computer controller |
| CN103196917A (en) * | 2013-03-13 | 2013-07-10 | 同济大学 | CCD linear array camera-based online rolled sheet material surface flaw detection system and detection method thereof |
| CN103624114A (en) * | 2013-11-15 | 2014-03-12 | 新兴铸管股份有限公司 | Automatic metal pipe roundness correction system and processing method thereof |
| CN205414012U (en) * | 2016-03-06 | 2016-08-03 | 南通科技职业学院 | Go up control system of roller universal three rolls plate bending machine |
| CN106140905A (en) * | 2016-08-19 | 2016-11-23 | 南通超力卷板机制造有限公司 | The control system of three roller symmetrical expression numerical control plate bending rolls |
Non-Patent Citations (2)
| Title |
|---|
| 王佳等: "基于视觉的四辊卷板机数控系统研究", 《机床与液压》 * |
| 范祥等: "基于机器视觉的卷板数控系统研究与开发", 《机械与电子》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018166274A1 (en) * | 2017-03-16 | 2018-09-20 | 南通蓝岛海洋工程有限公司 | Light-sensitive monitoring and control system for plate-rolling machine, and rolling process for wind-powered steel pipe pile barrel using same |
| CN111992601A (en) * | 2020-08-21 | 2020-11-27 | 中交三航(南通)海洋工程有限公司 | Method for measuring eccentricity of central axis in rolling process of large-diameter steel pipe pile |
| CN112247381A (en) * | 2020-08-21 | 2021-01-22 | 长春理工大学 | Guiding preheating and stress-relieving dynamic shape correcting device for thin-wall cylinder laser welding longitudinal joint |
| CN112676376A (en) * | 2020-12-30 | 2021-04-20 | 南通铭泰机床有限公司 | Method and system for improving control precision of numerically controlled plate bending machine |
| CN112676376B (en) * | 2020-12-30 | 2021-12-14 | 南通铭泰机床有限公司 | Method and system for improving control precision of numerically controlled plate bending machine |
| CN116274524A (en) * | 2023-02-17 | 2023-06-23 | 泰安华鲁锻压机床有限公司 | Production line of oversized four-roller plate bending machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106975675B (en) | 2019-05-17 |
| WO2018166274A1 (en) | 2018-09-20 |
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Address after: 226200 No. 1, Blue Island Road, marine industrial park, Qidong, Nantong, Jiangsu Patentee after: Nantong Taisheng blue island ocean engineering Co., Ltd Address before: 226200 Jiangsu city of Nantong Province town Qidong City Lan Yin Road No. 1 Patentee before: Nantong Lan Dao ocean engineering Co., Ltd |
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Effective date of registration: 20200709 Address after: No.2 Weiliu Road, Dongtai Economic Development Zone, Dongtai City, Yancheng City, Jiangsu Province Patentee after: SHANGHAI TAISHENG WIND POWER EQUIPMENT Co.,Ltd. Address before: 226200 No. 1, Blue Island Road, marine industrial park, Qidong, Nantong, Jiangsu Patentee before: Nantong Taisheng blue island ocean engineering Co.,Ltd. |