CN111069369A - Control system and control method for arch camber machine - Google Patents
Control system and control method for arch camber machine Download PDFInfo
- Publication number
- CN111069369A CN111069369A CN201911303863.5A CN201911303863A CN111069369A CN 111069369 A CN111069369 A CN 111069369A CN 201911303863 A CN201911303863 A CN 201911303863A CN 111069369 A CN111069369 A CN 111069369A
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- controller
- arch
- oil cylinder
- output module
- angle information
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000005452 bending Methods 0.000 claims abstract description 17
- 238000006073 displacement reaction Methods 0.000 claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 238000002789 length control Methods 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 14
- 230000001276 controlling effect Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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Classifications
-
- 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
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/12—Bending rods, profiles, or tubes with programme control
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Metal Rolling (AREA)
Abstract
A control system and a control method of an arch camber machine comprise a displacement sensor arranged on a pushing oil cylinder, wherein the displacement sensor is used for detecting the advancing and retreating distances of a top roller on the pushing oil cylinder; the input module is used for inputting angle information required by the camber arch and transmitting the angle information to the controller; the controller is used for converting the angle information into chord length information and transmitting the chord length information to the output module; and the output module is used for outputting a control command and controlling the jacking roller of the jacking oil cylinder to move forward and backward and the speed reducing motor to start and stop. The controller is a PLC controller, the PLC controller is connected with a display module, and the display module is provided with an input module. The invention relates to an arch bender control system and a control method, which realize the accurate control of an arch bender and simultaneously ensure the safety and reliability of the control; the working efficiency and the use convenience of the arch bending machine are improved.
Description
Technical Field
The invention relates to an intelligent operation and control system of an arch bender, in particular to an arch bender control system and a control method.
Background
At present, the curved arch machine is as a shaped steel curved arc equipment, and its control circuit all comprises elements such as control button, relay, contactor, and accuracy control mainly reaches the purpose of control radian through artifical observation scale and operating button in order to control the kicking roller, controls the precision not enough, requires height, inefficiency to operating personnel.
Chinese patent "a high-efficient I-steel numerical control arch bender" (No. CN 209697769U) describes an arch bender control method, when the arch bender bends, the pressure sensor monitors the pressure of the top column, the proximity sensor detects the movement information and the existence information of the section bars on the first hydraulic support and the fourth hydraulic support, and the control circuit regulates and controls the operation state and the efficiency of the turntable mechanism, the traveling mechanism, the speed reducer, the driving motor, the linear motor and the hydraulic oil pump according to the detected pressure and the movement information and the existence information of the section bars as control information, thereby achieving the purpose of accurately regulating and controlling the bending section bars of the arch bender. But the control system has the disadvantages of complex structure and low reliability. The method is characterized in that the moving information and the existence information of the sectional material are detected through a proximity sensor, the sectional material is provided with a certain radian and a certain volume, the linear movement is not realized in the moving process, and the defect of inaccurate signal acquisition precision exists. The optimal solution is to establish a relation between the angle of the arc and a certain linear displacement, which is not mentioned.
Disclosure of Invention
In order to solve the technical problems, the invention provides an arch bender control system and a control method, which realize the accurate control of an arch bender and simultaneously ensure the safety and reliability of the control; the working efficiency and the use convenience of the arch bending machine are improved.
The technical scheme adopted by the invention is as follows:
an arching machine control system comprising:
the displacement sensor is arranged on the pushing oil cylinder and used for detecting the advancing and retreating distances of the top roller on the pushing oil cylinder;
the input module is used for inputting angle information required by the camber arch and transmitting the angle information to the controller;
the controller is used for converting the angle information into chord length information and transmitting the chord length information to the output module;
and the output module is used for outputting a control command and controlling the jacking roller of the jacking oil cylinder to move forward and backward and the speed reducing motor to start and stop.
The controller and the output module are connected together to form a PLC controller, the PLC controller is connected with a display module, and the display module comprises an input module.
An arch camber control method comprises the following steps:
step 1: the input module inputs angle information required by profile steel arc bending and transmits the angle information to the controller;
step 2: the controller analyzes and processes the angle information, converts the angle information into chord length information and transmits the chord length information to the output module;
and step 3: the output module outputs a chord length control command to a pushing oil cylinder of the arch bending machine to drive a top roller to move forward and backward; meanwhile, the displacement sensor detects the advancing and retreating distances of the top roller on the pushing oil cylinder and feeds the distance information back to the controller, and the controller simultaneously and accurately positions the advancing and retreating distances of the top roller of the pushing oil cylinder through the output module.
The output module controls the starting and stopping of a speed reducing motor of the arch bending machine.
The invention discloses an arch camber control system and a control method, which have the following technical effects:
1. the system has the advantages of convenient, safe and quick signal transmission, strong anti-interference capability and high control quality.
2. The system is convenient to maintain, good in compatibility and low in fault rate, the control safety is guaranteed, and the working efficiency and the use convenience are improved.
Drawings
Fig. 1 is a schematic diagram of the control process of the present invention.
Fig. 2 is a schematic plan view of the arching machine (in a non-operating state).
Fig. 3 is a schematic plan view of the arch bending machine (working state).
Wherein: 1-arch bending machine, 2-input module, 3-output module, 4-controller, 5-displacement sensor, 6-pushing oil cylinder, 7-speed reducing motor, 8-display module, 9-operation table, 10-working table, 11-roller, 12-gantry, 13-press roller, 14-carrier roller,
15-section steel, and L-pushing chord length.
Detailed Description
As shown in fig. 1 to 3, an arch camber control system includes a displacement sensor 5 disposed on a pushing cylinder 6, wherein the displacement sensor 5 is used for detecting the advancing and retreating distances of a top roller on the pushing cylinder 6;
the input module 2 is used for inputting angle information required by the camber arch and transmitting the angle information to the controller 4;
the controller 4 is used for converting the angle information into chord length information and transmitting the chord length information to the output module 3; the angle information is converted into chord length information, so that the displacement sensor 5 can control the displacement conveniently, and the method is accurate, simple and convenient.
And the output module 3 is used for outputting a control instruction, controlling the jacking roller of the jacking oil cylinder 6 to move forward and backward, and controlling the speed reducing motor 7 to start and stop, so that the aim of accurate arc bending is fulfilled.
The controller 4 and the output module 3 are connected together to form a PLC controller, the PLC controller is connected with a display module 8, the display module 8 comprises an input module 2, and the display module 8 adopts a touch screen display. The PLC controller adopts MODBUS protocol to analyze control signals, the analyzed signals are subjected to logic operation according to corresponding logic relation and then output control signals, the control signals are transmitted to the output module 3, the output module 3 is an analog output module, and the output module 3 is used for receiving digital signals processed by the controller 4 and converting the digital signals into signals which can be received by a field execution component. The communication mode is a single-wire mode.
The displacement sensor 5 adopts a Milan KTC1/LWH universal pull rod type linear displacement sensor.
The PLC controller adopts LG PLC controller of MK200S model.
The touch screen display adopts an LP064V16.4-inch industrial control liquid crystal screen.
The control method of the arch camber comprises the following steps:
step 1: the input module 2 inputs angle information required by the section steel arc bending and transmits the angle information to the controller 4;
step 2: the controller 4 analyzes and processes the angle information, converts the angle information into chord length information and transmits the chord length information to the output module 3;
and step 3: the output module 3 outputs a chord length control command to a pushing oil cylinder 6 of the arch bender 1 to drive the top roller to move forward and backward; meanwhile, the displacement sensor 5 detects the advancing and retreating distances of the top roller on the top-pushing oil cylinder 6 and feeds the distance information back to the controller 4, and the controller 4 accurately positions the advancing and retreating distances of the top roller of the top-pushing oil cylinder 6 through the output module 3.
The output module 3 controls the speed reducing motor 7 of the arch bending machine 1 to start and stop. The speed reducing motor 7 is connected with a roller 11, the roller 11 is used for conveying profile steel 15 in bending, the arch bending machine 1 further comprises a plurality of door frames 12 which are distributed at equal intervals, each door frame 12 is provided with a press roller 13 and a carrier roller 14, and the profile steel 15 is positioned between the press roller 13 and the carrier roller 14 in bending. The pushing oil cylinder 6 is positioned at one side of the section steel 15, and the pushing oil cylinder 6 finishes the forward and backward movement of the top roller arranged on the top rod of the pushing oil cylinder 6 through the output instruction of the output module 3, thereby achieving the purpose of controlling the camber.
Claims (4)
1. An arching machine control system, characterized by comprising:
the displacement sensor (5) is arranged on the pushing oil cylinder (6), and the displacement sensor (5) is used for detecting the advancing and retreating distances of the top roller on the pushing oil cylinder (6);
the input module (2) is used for inputting angle information required by the camber arch and transmitting the angle information to the controller (4);
the controller (4) is used for converting the angle information into chord length information and transmitting the chord length information to the output module (3);
and the output module (3) is used for outputting a control instruction and controlling the jacking roller of the jacking oil cylinder (6) to move forward and backward and the starting and stopping of the speed reducing motor (7).
2. An arching machine control system according to claim 1, characterised in that: the controller (4) and the output module (3) are connected together to form a PLC controller, the PLC controller is connected with a display module (8), and the display module (8) comprises an input module (2).
3. An arch camber control method is characterized by comprising the following steps:
step 1: the input module (2) inputs angle information required by the bending of the section steel and transmits the angle information to the controller (4);
step 2: the controller (4) analyzes and processes the angle information, converts the angle information into chord length information and transmits the chord length information to the output module (3);
and step 3: the output module (3) outputs a chord length control command to a pushing oil cylinder (6) of the arch bending machine (1) to drive a top roller to move forward and backward; meanwhile, the displacement sensor (5) detects the advancing and retreating distances of the top roller on the pushing oil cylinder (6) and feeds the distance information back to the controller (4), and the controller (4) accurately positions the advancing and retreating distances of the top roller of the pushing oil cylinder (6) through the output module (3).
4. A camber arch control method according to claim 3, wherein: the output module (3) controls the starting and stopping of a speed reducing motor (7) of the arch bending machine (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911303863.5A CN111069369A (en) | 2019-12-17 | 2019-12-17 | Control system and control method for arch camber machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911303863.5A CN111069369A (en) | 2019-12-17 | 2019-12-17 | Control system and control method for arch camber machine |
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| Publication Number | Publication Date |
|---|---|
| CN111069369A true CN111069369A (en) | 2020-04-28 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911303863.5A Pending CN111069369A (en) | 2019-12-17 | 2019-12-17 | Control system and control method for arch camber machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112845734A (en) * | 2021-04-09 | 2021-05-28 | 马鞍山钢铁股份有限公司 | Online arching method for H-shaped steel |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101284287A (en) * | 2008-05-29 | 2008-10-15 | 湖南电器研究所 | Numerical control bending machine and bending method thereof |
| CN204093883U (en) * | 2014-09-11 | 2015-01-14 | 长葛市帝和太阳能有限公司 | A kind of precision tube hydraulic press brake |
| KR101535618B1 (en) * | 2014-06-20 | 2015-07-10 | 현대삼호중공업 주식회사 | Setting system in roll press to control the knuckle press |
| CN204724656U (en) * | 2015-07-02 | 2015-10-28 | 青岛农业大学 | Bending machine |
| CN209631883U (en) * | 2019-01-22 | 2019-11-15 | 福建坤孚股份有限公司 | A kind of magnesium alloy profiles apparatus for bending |
| CN211437618U (en) * | 2019-12-17 | 2020-09-08 | 中国葛洲坝集团三峡建设工程有限公司 | Control system of arch bending machine |
-
2019
- 2019-12-17 CN CN201911303863.5A patent/CN111069369A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101284287A (en) * | 2008-05-29 | 2008-10-15 | 湖南电器研究所 | Numerical control bending machine and bending method thereof |
| KR101535618B1 (en) * | 2014-06-20 | 2015-07-10 | 현대삼호중공업 주식회사 | Setting system in roll press to control the knuckle press |
| CN204093883U (en) * | 2014-09-11 | 2015-01-14 | 长葛市帝和太阳能有限公司 | A kind of precision tube hydraulic press brake |
| CN204724656U (en) * | 2015-07-02 | 2015-10-28 | 青岛农业大学 | Bending machine |
| CN209631883U (en) * | 2019-01-22 | 2019-11-15 | 福建坤孚股份有限公司 | A kind of magnesium alloy profiles apparatus for bending |
| CN211437618U (en) * | 2019-12-17 | 2020-09-08 | 中国葛洲坝集团三峡建设工程有限公司 | Control system of arch bending machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112845734A (en) * | 2021-04-09 | 2021-05-28 | 马鞍山钢铁股份有限公司 | Online arching method for H-shaped steel |
| CN112845734B (en) * | 2021-04-09 | 2022-08-19 | 马鞍山钢铁股份有限公司 | Online arching method for H-shaped steel |
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