CN111352353A - Control system and method of bilateral scissors magnetic centering device - Google Patents

Control system and method of bilateral scissors magnetic centering device Download PDF

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Publication number
CN111352353A
CN111352353A CN201811569046.XA CN201811569046A CN111352353A CN 111352353 A CN111352353 A CN 111352353A CN 201811569046 A CN201811569046 A CN 201811569046A CN 111352353 A CN111352353 A CN 111352353A
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China
Prior art keywords
lifting mechanism
magnetic
receiving end
centering device
controlling
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Pending
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CN201811569046.XA
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Chinese (zh)
Inventor
王静
赵亮
王艳芬
袁小康
杜伟
孟维芬
宋希光
黄公娟
吕霞
邱芳
石荣鹏
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Laigang Group Electronics Co ltd
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Laigang Group Electronics Co ltd
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Priority to CN201811569046.XA priority Critical patent/CN111352353A/en
Publication of CN111352353A publication Critical patent/CN111352353A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23DPLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D33/00Accessories for shearing machines or shearing devices
    • B23D33/02Arrangements for holding, guiding, and/or feeding work during the operation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02Heads
    • F16M11/04Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/043Allowing translations
    • F16M11/046Allowing translations adapted to upward-downward translation movement
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/42Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters with arrangement for propelling the support stands on wheels
    • F16M11/425Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters with arrangement for propelling the support stands on wheels along guiding means
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D1/00Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
    • G05D1/02Control of position or course in two dimensions
    • G05D1/021Control of position or course in two dimensions specially adapted to land vehicles

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Specific Conveyance Elements (AREA)

Abstract

The application provides a control system and a method of a magnetic centering device of a bilateral shear, wherein the system comprises a controller, a centering in-place detection device and a transportation roller way; a laser scribing device and a magnetic centering device are sequentially arranged on the conveying roller way along the conveying direction, and a laser light path emitted by the laser scribing device is vertical to the conveying roller way; the plate in-place detection device comprises an emitting end arranged on one side of the magnetic centering device and a receiving end arranged on the other side of the magnetic centering device. Utilize the centering detection device that targets in place that separately sets up with magnetic force centering device, target in place the detection to magnetic force centering device, avoid arousing because of the false signal and the mechanical shock that equipment vibrates and detect the original paper and damage, improve the accuracy and the production efficiency of centering.

Description

Control system and method of bilateral scissors magnetic centering device
Technical Field
The application relates to the field of metal plate bilateral shearing equipment, in particular to a control system and a control method of a bilateral shear magnetic centering device.
Background
In the shearing equipment in the metallurgical steel industry, a magnetic force centering device is also called a magnetic pusher, is distributed between input tracks of a bilateral shear and is used for aligning a steel plate to be sheared, and is matched with a laser scribing device for use, so that the position of the steel plate is reasonably adjusted, the trimming amount is adjusted, and the maximization of the yield of the steel plate is realized. Therefore, the magnetic centering device is an indispensable corollary device of the bilateral scissors.
The accuracy of the magnetic centering device depends on the accuracy of signal acquisition. A proximity switch is usually arranged on the magnetic centering device, and whether the magnetic centering device is in place or not is judged through a place signal of the proximity switch. According to the detection method for centering, the proximity switch is arranged on the magnetic centering device, so that the detection element is easily damaged and signals are easily mistaken due to mechanical oscillation, centering is inaccurate, and shearing is influenced.
Disclosure of Invention
The application provides a control system and a control method of a magnetic centering device of a bilateral shear, and aims to solve the problems that in the existing detection method, due to the fact that a proximity switch is installed on the magnetic centering device, mechanical oscillation easily causes damage and error signals of a detection element, and inaccurate influence and shearing in centering are caused.
In a first aspect, the application provides a control system of a magnetic centering device of a bilateral shear, which comprises a controller, a centering in-place detection device and a transportation roller way;
a laser scribing device and a magnetic centering device are sequentially arranged on the conveying roller way along the conveying direction, and a laser light path emitted by the laser scribing device is vertical to the conveying roller way;
the plate in-place detection device comprises a transmitting end arranged on one side of the magnetic centering device and a receiving end arranged on the other side of the magnetic centering device, and the transmitting end is opposite to the receiving end;
the magnetic centering device comprises a transverse moving mechanism, a lifting mechanism, a moving trolley, a track and a magnetic head; the transverse moving mechanism is connected with one side of the moving trolley; the movable trolley is arranged on the track and can move along the track; the upgrading mechanism is arranged on the moving trolley and is connected with the magnetic head;
the controller is used for controlling the lifting mechanism to lift the magnetic head absorbed with the plate blank;
judging whether the receiving end receives the light emitted by the emitting end, and controlling the lifting mechanism to stop rising if the receiving end does not receive the signal emitted by the emitting end;
controlling the transverse moving mechanism to transversely move the movable trolley so as to move the plate blank adsorbed by the magnetic head to the center of laser light emitted by the laser scribing device;
and controlling the lifting mechanism to enable the magnetic head adsorbed with the plate blank to fall until the receiving end receives the signal transmitted by the transmitting end.
In a second aspect, the present application provides a control method for a magnetic centering device of a bilateral scissors, which is applied to a control system of the magnetic centering device of the bilateral scissors, and the method includes:
controlling the descending mechanism to lift the magnetic head adsorbing the plate blank;
judging whether a receiving end receives the light emitted by an emitting end, and controlling a lifting mechanism to stop rising if the receiving end does not receive the signal emitted by the emitting end;
controlling a transverse moving mechanism to transversely move a moving trolley so as to move the plate blank adsorbed by the magnetic head to the center of laser light emitted by a laser scribing device;
and controlling the lifting mechanism to enable the magnetic head adsorbed with the plate blank to fall until the receiving end receives the signal transmitted by the transmitting end.
According to the technical scheme, the control system and the control method of the bilateral scissors magnetic centering device are characterized in that the centering in-place detection device which is separately arranged from the magnetic centering device is utilized to detect the magnetic centering device in place, so that the damage of a detection element caused by error signals and mechanical impact due to equipment oscillation is avoided, and the centering accuracy and the centering production efficiency are improved.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without any creative effort.
FIG. 1 is a schematic structural diagram of a control system of a magnetic centering device for a bilateral shear according to the present application;
FIG. 2 is a schematic structural diagram of the magnetic centering device;
FIG. 3 is a schematic diagram of the centering position detection device;
FIG. 4 is a schematic structural diagram of a photocell;
fig. 5 is a flowchart of a control method of the bilateral scissors magnetic centering device provided in the present application.
Detailed Description
In a first aspect, referring to fig. 1 and fig. 2, an embodiment of the present application provides a control system of a magnetic centering device 3 for a bilateral scissors, including a controller, a centering in-place detection device, and a transportation roller table 2;
a laser scribing device 1 and a magnetic centering device 3 are sequentially arranged on the conveying roller way 2 along the conveying direction, and the laser path emitted by the laser scribing device 1 is vertical to the conveying roller way 2;
the plate in-place detection device comprises a transmitting end 4 arranged on one side of the magnetic centering device 3 and a receiving end 5 arranged on the other side of the magnetic centering device 3, wherein the transmitting end 4 is opposite to the receiving end 5;
the magnetic centering device 3 comprises a transverse moving mechanism 31, a lifting mechanism 32, a movable trolley 34, a track 35 and a magnetic head 33; the transverse moving mechanism 31 is connected with one side of the movable trolley 34; the moving trolley 34 is mounted on the track 35, and the moving trolley 34 can move along the track 35; the upgrading mechanism is arranged on a movable trolley 34 and is connected with the magnetic head 33;
the controller is used for controlling the lifting mechanism 32 to lift the magnetic head 33 absorbed with the plate blank 7;
judging whether the receiving end 5 receives the light emitted by the emitting end 4, and controlling the lifting mechanism 32 to stop lifting if the receiving end 5 does not receive the signal emitted by the emitting end 4;
referring to fig. 3 specifically, when the receiving end 5 does not receive the signal transmitted by the transmitting end 4, that is, the plate shields the signal transmitted by the receiving end 5, it can be determined that the lifting mechanism 32 is lifted in place.
Controlling the transverse moving mechanism 31 to transversely move the moving trolley 34 so as to move the slab 7 adsorbed by the magnetic head 33 to the center of the laser beam emitted by the laser scribing device 1; the laser scribing apparatus 1 can be used to divide the cutting range of the slab 7, and the slab 7 sucked by the magnetic head 33 is moved to the laser-divided position by the traverse mechanism 31 to center the slab 7.
Further, the controller is further provided with a self-protection mechanism, if the receiving end 5 is connected to the signal transmitted by the transmitting end 4, and the lifting mechanism 32 is lifted to the limit position, a protection instruction is sent out, a preset time period is delayed, so that the lifting mechanism 32 is lowered to the initial position, and the lifting step is carried out again.
The lifting mechanism 32 can be judged whether the mechanical force value generated when the lifting mechanism 32 is lifted to the extreme position reaches the preset threshold value, if the mechanical force value exceeds the preset threshold value, the lifting mechanism 32 can be determined to be lifted to the extreme position, and if the lifting mechanism 32 continues to be lifted, the lifting mechanism 32 can be damaged, so that the lifting mechanism 32 can be protected through a self-protection mechanism. Alternatively, the preset time period may be set by the staff member, typically 3 seconds.
And controlling the lifting mechanism 32 to enable the magnetic head 33 absorbed with the plate blank 7 to descend until the receiving end 5 receives the signal transmitted by the transmitting end 4.
If the receiving end 5 receives the signal transmitted by the transmitting end 4 and the lifting mechanism 32 descends to the limit position, a protection instruction is sent out, and the descending of the lifting mechanism 32 is stopped after a preset time period is delayed.
Similarly, when the lifting mechanism 32 descends to the limit position, the controller also starts the protection mechanism, and the specific principle is the same as that of the ascending situation, and is not described again.
Further, referring to fig. 4 specifically, the emitting end 4 is a photoelectric tube 6, the photoelectric tube 6 is fixed on the mounting seat 10 through a sleeve 8, an opening is provided at one end of the sleeve 8, the photoelectric tube 6 is disposed inside the sleeve 8, and the light emitting position faces the opening of the sleeve 8. The sleeve 8 bilateral symmetry is provided with adjusting bolt 9, and adjusting bolt 9 screw in sleeve 8's lateral wall, and adjusting bolt 9 offsets with the lateral wall of photoelectric tube 6, through the screw in degree of depth of the corresponding adjusting bolt 9 of adjustment, the orientation of the radiation light of adjustable photoelectric tube 6.
According to the technical scheme, the application provides a bilateral scissors magnetic force centering device 3's control system, utilizes the centering detection device that targets in place that separately sets up with magnetic force centering device 3, targets in place to magnetic force centering device 3 and detects, avoids arousing because of error signal and mechanical shock that equipment vibrates and detects the original paper damage, improves accuracy and the production efficiency of centering.
In a second aspect, referring to fig. 5, an embodiment of the present application provides a control method of a bilateral scissors magnetic centering device 3, which is applied to the control system of the bilateral scissors magnetic centering device 3, where the method includes:
step 51: the lowering mechanism is controlled to raise the magnetic head 33 to which the slab 7 is attracted.
Step 52: and if the receiving end 5 does not receive the signal transmitted by the transmitting end 4, controlling the lifting mechanism 32 to stop lifting.
Step 53: if the receiving end 5 receives the signal transmitted by the transmitting end 4 and the lifting mechanism 32 is lifted to the limit position, a protection instruction is issued, a preset time period is delayed, so that the lifting mechanism 32 is lowered to the initial position, and the step 51 is skipped.
Step 54: the traverse mechanism 31 is controlled to move the traverse carriage 34 in the traverse direction so that the slab 7 attracted by the magnetic head 33 is moved to the center of the laser beam emitted from the laser scribing apparatus 1.
Step 55: and controlling the lifting mechanism 32 to enable the magnetic head 33 absorbed with the plate blank 7 to descend until the receiving end 5 receives the signal transmitted by the transmitting end 4.
Step 56: if the receiving end 5 receives the signal transmitted by the transmitting end 4 and the lifting mechanism 32 descends to the limit position, a protection instruction is sent out, and the descending of the lifting mechanism 32 is stopped after a preset time period is delayed.
According to the technical scheme, the control method of the bilateral scissors magnetic centering device 3 is characterized in that the centering in-place detection device which is separately arranged with the magnetic centering device 3 is utilized to detect the magnetic centering device 3 in place, so that the damage of a detection element caused by error signals and mechanical impact due to equipment oscillation is avoided, and the centering accuracy and the centering production efficiency are improved.

Claims (8)

1. A control system of a magnetic centering device of a bilateral shear is characterized by comprising a controller, a centering in-place detection device and a conveying roller way;
a laser scribing device and a magnetic centering device are sequentially arranged on the conveying roller way along the conveying direction, and a laser light path emitted by the laser scribing device is vertical to the conveying roller way;
the plate in-place detection device comprises a transmitting end arranged on one side of the magnetic centering device and a receiving end arranged on the other side of the magnetic centering device, and the transmitting end is opposite to the receiving end;
the magnetic centering device comprises a transverse moving mechanism, a lifting mechanism, a moving trolley, a track and a magnetic head; the transverse moving mechanism is connected with one side of the moving trolley; the movable trolley is arranged on the track and can move along the track; the upgrading mechanism is arranged on the moving trolley and is connected with the magnetic head;
the controller is used for controlling the lifting mechanism to lift the magnetic head absorbed with the plate blank;
judging whether the receiving end receives the light emitted by the emitting end, and controlling the lifting mechanism to stop rising if the receiving end does not receive the signal emitted by the emitting end;
controlling the transverse moving mechanism to transversely move the movable trolley so as to move the plate blank adsorbed by the magnetic head to the center of laser light emitted by the laser scribing device;
and controlling the lifting mechanism to enable the magnetic head adsorbed with the plate blank to fall until the receiving end receives the signal transmitted by the transmitting end.
2. The system of claim 1, wherein the controller is further configured to issue a protection command and delay a preset time period to enable the lifting mechanism to descend to an initial position and resume the ascending step if the receiving end receives a signal transmitted by the transmitting end and the lifting mechanism ascends to an extreme position.
3. The system of claim 1, wherein the controller is further configured to issue a protection command if the receiving end receives a signal transmitted by the transmitting end and the lifting mechanism descends to an extreme position, and delay the descending of the lifting mechanism for a preset time period.
4. The system of claim 1, wherein the lifting mechanism and the traversing mechanism are hydraulic cylinders.
5. The system of claim 1, wherein the transmitting end is a photocell.
6. A control method of a magnetic centering device of a bilateral shear is applied to a control system of the magnetic centering device of the bilateral shear according to any one of 1-6, and is characterized by comprising the following steps:
controlling the descending mechanism to lift the magnetic head adsorbing the plate blank;
judging whether a receiving end receives the light emitted by an emitting end, and controlling a lifting mechanism to stop rising if the receiving end does not receive the signal emitted by the emitting end;
controlling a transverse moving mechanism to transversely move a moving trolley so as to move the plate blank adsorbed by the magnetic head to the center of laser light emitted by a laser scribing device;
and controlling the lifting mechanism to enable the magnetic head adsorbed with the plate blank to fall until the receiving end receives the signal transmitted by the transmitting end.
7. The method of claim 6, wherein the method further comprises:
and if the receiving end receives the signal transmitted by the transmitting end and the lifting mechanism rises to the limit position, a protection instruction is sent out, a preset time period is delayed, so that the lifting mechanism falls to the initial position and rises again.
8. The method of claim 6, wherein the method further comprises:
and if the receiving end receives the signal transmitted by the transmitting end and the lifting mechanism descends to the limit position, a protection instruction is sent out, and the lifting mechanism stops descending after a preset time period is delayed.
CN201811569046.XA 2018-12-21 2018-12-21 Control system and method of bilateral scissors magnetic centering device Pending CN111352353A (en)

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Application Number Priority Date Filing Date Title
CN201811569046.XA CN111352353A (en) 2018-12-21 2018-12-21 Control system and method of bilateral scissors magnetic centering device

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CN111352353A true CN111352353A (en) 2020-06-30

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113275640A (en) * 2021-03-11 2021-08-20 成都宝钢汽车钢材部件加工配送有限公司 Post-positioning adsorption detection device and use method thereof
CN115046463A (en) * 2022-05-23 2022-09-13 宝武集团鄂城钢铁有限公司 Device and method for detecting width of double-sided plate shears and double-sided plate shear equipment

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Publication number Priority date Publication date Assignee Title
CN201239746Y (en) * 2008-08-13 2009-05-20 中国第一重型机械集团公司 Novel magnetic centring device
CN102608943A (en) * 2011-01-25 2012-07-25 宝山钢铁股份有限公司 Control system and method for hoisting of slabs in heat holding furnace in slab yard
CN202726178U (en) * 2012-05-10 2013-02-13 舞阳钢铁有限责任公司 Improved guide post of magnetic centering device of bilateral scissors
CN202893805U (en) * 2012-10-27 2013-04-24 广东韶钢松山股份有限公司 Steel plate automatic alignment device
CN103861966A (en) * 2014-03-19 2014-06-18 沈阳隆基电磁科技股份有限公司 Magnetism-centered high-temperature electromagnet system
CN204108726U (en) * 2014-09-19 2015-01-21 内蒙古包钢钢联股份有限公司 Steel plate magnetic centralising device
CN104942355A (en) * 2015-06-25 2015-09-30 太原科技大学 Heavy hydraulic rolling-cutting type shearing machine for double sides in longitudinal direction of metal plate
CN108533032A (en) * 2018-05-27 2018-09-14 佛山市诺行科技有限公司 A kind of the rise detection device and control method of vehicle-carrying plate

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201239746Y (en) * 2008-08-13 2009-05-20 中国第一重型机械集团公司 Novel magnetic centring device
CN102608943A (en) * 2011-01-25 2012-07-25 宝山钢铁股份有限公司 Control system and method for hoisting of slabs in heat holding furnace in slab yard
CN202726178U (en) * 2012-05-10 2013-02-13 舞阳钢铁有限责任公司 Improved guide post of magnetic centering device of bilateral scissors
CN202893805U (en) * 2012-10-27 2013-04-24 广东韶钢松山股份有限公司 Steel plate automatic alignment device
CN103861966A (en) * 2014-03-19 2014-06-18 沈阳隆基电磁科技股份有限公司 Magnetism-centered high-temperature electromagnet system
CN204108726U (en) * 2014-09-19 2015-01-21 内蒙古包钢钢联股份有限公司 Steel plate magnetic centralising device
CN104942355A (en) * 2015-06-25 2015-09-30 太原科技大学 Heavy hydraulic rolling-cutting type shearing machine for double sides in longitudinal direction of metal plate
CN108533032A (en) * 2018-05-27 2018-09-14 佛山市诺行科技有限公司 A kind of the rise detection device and control method of vehicle-carrying plate

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113275640A (en) * 2021-03-11 2021-08-20 成都宝钢汽车钢材部件加工配送有限公司 Post-positioning adsorption detection device and use method thereof
CN115046463A (en) * 2022-05-23 2022-09-13 宝武集团鄂城钢铁有限公司 Device and method for detecting width of double-sided plate shears and double-sided plate shear equipment
CN115046463B (en) * 2022-05-23 2024-07-16 宝武集团鄂城钢铁有限公司 Device and method for detecting width of double-sided shears of plates and double-sided shear equipment

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