CN103823410A - Flexible tool control system for assisting with laser cutting of aviation titanium plate - Google Patents
Flexible tool control system for assisting with laser cutting of aviation titanium plate Download PDFInfo
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- CN103823410A CN103823410A CN201310737201.5A CN201310737201A CN103823410A CN 103823410 A CN103823410 A CN 103823410A CN 201310737201 A CN201310737201 A CN 201310737201A CN 103823410 A CN103823410 A CN 103823410A
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Abstract
The invention relates to a tool control system for assisting with laser cutting of an aviation titanium plate. The system comprises a main control station, an industrial digital IO plate, a proximity switch sensor, a relay amplification solid-state relay, a solenoid valve and a main power supply. The main control station controls the whole system in real time through customization software and performs monitoring display according to states; the industrial digital IO plate realizes state monitoring of the solenoid valve and the main power supply; the proximity switch sensor detects the position of a laser cutter head in real time and gives an alarm signal; the relay amplification solid-state relay amplifies an IO plate output signal and drives the solenoid valve to work or drives the main power supply to be shut down; the solenoid valve controls the suction or loosening of a sucker; and the main power supply is the power source of the whole system. The system provided by the invention has the following advantages: the production cost is saved, the system employs a lot of modularization components, the circuit design is reasonable, the maintenance is convenient, the efficiency is high, the apparatus is simple, the functions are powerful, the processing precision is effectively controlled, and the manufacturing quality is guaranteed.
Description
Technical field
The present invention relates to a kind of control system of frock, be specifically related to the frock control system for auxiliary aviation titanium plate cut.
Background technology
For improving the combination property of advanced Aerospace Products, aerospace industry extensively adopts one-piece construction and thin-wall part, as skeleton and the covering etc. of aircraft.But thin-wall part is not only very easy to distortion, and complex structure, and form accuracy requires very high, and manufacture difficulty is quite large.In addition, the profile of thin-wall part is most relevant with the aeroperformance of aircraft, and peripheral profile and other parts also have complicated assembly coordination relation, and assembly difficulty is very large.If the manufacturing accuracy of thin-wall part is very poor, may cause the inefficacy of whole aeronautical product.
On the other hand, the manufacture of aircraft manufacture, particularly large aircraft, belongs to typical multi-varieties and small-batch manufacture, therefore the flexibility of manufacture process is had to outstanding especially requirement.Although tradition numerically-controlled machine and flexible manufacturing system can realize the flexible manufacturing of conventional rigidity parts, are difficult to realize the flexible manufacturing of thin-wall part.
At present, to the manufacture of thin-wall part, solve the problem on deformation in thin-wall part processing by new technology and flexible technology equipment.This control system is exactly a kind of control system of flexible frock.
Summary of the invention
The problem existing for the cut of aviation titanium plate thin-wall part, the present invention designs a kind of efficient feasible control system for flexible frock, to adapt to difformity and the size of aviation titanium plate thin-wall part.
For achieving the above object, the present invention has designed a kind of flexible frock control system for auxiliary aviation titanium plate cut, concrete technical scheme is as follows: a kind of flexible frock control system for auxiliary aviation titanium plate cut, comprising: master station, industrial digital IO plate, approach switch sensor, relaying amplify solid-state relay, solenoid valve and primary power; Described master station is controlled whole system in real time by customized software, and shows according to monitoring state, directly connecting virtual machine system of while, the state of simultaneous display equipment; Described industrial digital IO plate is realized the condition monitoring to solenoid valve and primary power; Described approach switch sensor detects in real time to the position of laser probe, provides alerting signal; Described relaying amplifies solid-state relay IO plate output signal is amplified, and drives electromagnetic valve work, or drives primary power to shut down; The sucking and unclamp of described solenoid control sucker, described primary power is whole system power source.
Further, described master station adopts and grinds Chinese workers and control complete machine, customization HMI human interface software; Described industrial digital IO plate adopts and grinds magnificent PCI-1756 digital IO plate; The distance that approaches of described approach switch sensor is 3mm-8mm.
Further, described a kind of flexible frock control system for auxiliary aviation titanium plate cut, its control procedure comprises the steps:
(1) draw data by the mathematics model analysis of host computer, put titanium plate Skin Parts well according to data;
(2) start vacuum pump, control power supply, control system;
(3) bring into operation and allow device initialize, whether detection hardware has damage; Deal with problems according to the information of reporting an error if you have questions, then reinitialize;
(4) press absorption button and make titanium plate Skin Parts being adsorbed in frock according to the data adaptive of analyzing; Whether wrong according to feedback information, deal with problems according to the information of reporting an error if you have questions;
(5) hold down gag compresses Skin Parts; Whether wrong according to feedback information, deal with problems according to the information of reporting an error if you have questions;
(6) laser starts to cut titanium plate Skin Parts, and hold down gag is dodged laser head according to sensor information;
(7) after cut completes, hold down gag flicks, and vacuum suction is unclamped, and workman takes out workpiece.
Further, in above-mentioned steps (4) and step (5), the pressing plate quantity and the position that utilize the CAM program of cut to calculate the position of each time point cutting and confirm at software section, determine the state that each pressing plate of each moment opens and closes, thereby generate the digital code of pressing plate state, the output card that utilizes microcomputer to install, by continuous amplification control solenoid valve, thereby drive cylinder to realize closing and opening of pressing plate.
Further, in above-mentioned steps (6), start after CAM program at laser cutting machine, in the time of normal operating conditions, control system will be sent the instruction of pressing plate state in real time, the solenoid valve that scan round is simultaneously all and the open/close states of cylinder, once find a certain abnormal state in status scan process, system is sent rapidly steering order and is rectified a deviation in time; In the time of abnormal work state, it is position operating sensor pattern and forced stoppage pattern that security system is divided into two-stage support link, described position transducer operational mode is carried out opening and closing pressing plate according to the state of feeler, simultaneity factor is sent alarm command, allows operating personnel check after circulation finishes; Described forced stoppage pattern is after system discovery has abnormal conditions and rectifies a deviation unsuccessfully; send immediately alerting signal; operating personnel can carry out shutdown inspection; as operating personnel not at the scene or fail to shut down in time; and when approach switch sensor receives the close signal of laser head, for not there is not plane collision incident, control system is shut down hard closing primary power; program stops, and all valves are in open mode.
Compared with other system, the invention has the beneficial effects as follows:
(1) control system provided by the invention makes flexibility be processed into possibility, saves production cost.
(2) the present invention adopts modularization components and parts in a large number, and circuit design is reasonable, easy to maintenance.
(3) the present invention adopts control vacuum suction mode to clamp and supports curved surface thin-wall part, has efficiently feature easily.
(4) special design control harpsichord formula hold-down mechanism of the present invention, effectively suppresses thin-wall part and is adding the distortion in man-hour.
(5) while taking out part after processing, make sucker moment that is connected with air unclamp workpiece by solenoid control, there is efficient, the powerful feature of device simple functions.
(6) the present invention adopts loop control theory, and the method that mathematical model combines with Intelligent Control Theory has effectively been controlled machining precision, has guaranteed the quality of manufacturing.
Accompanying drawing explanation
Fig. 1 is electrical system frame diagram of the present invention;
Fig. 2 is control flow chart of the present invention;
Fig. 3 is vacuum suction control principle drawing of the present invention;
Fig. 4 is compression control principle drawing of the present invention;
Fig. 5 is PC control panel of the present invention;
Fig. 6 is titanium plate thin-wall part cutting effect figure of the present invention.
Embodiment
Below in conjunction with accompanying drawing with specifically execute example the invention will be further described.
Fig. 1 is the electrical system frame diagram of a kind of flexible frock control system for auxiliary aviation titanium plate cut of the present invention, and system comprises that master station, industrial digital IO plate, approach switch sensor, relaying amplify solid-state relay, solenoid valve and primary power; Wherein master station adopts and grinds Chinese workers and control complete machine, by customized software, whole system is controlled in real time, and is shown according to monitoring state, direct connecting virtual machine system simultaneously, the state of simultaneous display equipment; Described industrial digital IO plate adopts and grinds magnificent PCI-1756 digital IO plate, comprises 32 tunnel input He32 road outputs, realizes the condition monitoring to solenoid valve and primary power; Described approach switch sensor detects in real time to the position of laser probe, provides alerting signal, and wherein the distance that approaches of approach switch sensor is 3mm-8mm; In the present invention, the approaching of approach switch sensor is 5mm apart from preferred value; Described relaying amplifies solid-state relay IO plate output signal is amplified, and drives electromagnetic valve work, or drives primary power to shut down; The sucking and unclamp of described solenoid control sucker, described primary power is whole system power source.
Fig. 2 is control flow chart of the present invention.Wherein, initial phase is that the self check stage of the electric original paper of whole system is mainly carried out to self check and initial value setting to industrial digital IO board, vacuum switch etc.; The vacuum suction titanium plate stage is to draw aircraft skin blank data by software for calculation, and after installing aircraft skin blank by data, aircraft skin blank is adsorbed; Compressing the titanium plate stage is to draw aircraft skin blank data by software for calculation, and aircraft skin blank is compressed at assigned address by data; It is all that aircraft skin blank generates process segment of finished product that cut titanium plate Skin Parts and hold down gag are dodged, and while mainly realizing the processing of aircraft skin part and work in-process laser head near rotation clamping steel in this stage, rotation clamping steel hold-down head dodges; Unclamping absorption phase is to unclamp hold down gag and adsorbent equipment, makes processing staff can take out aircraft skin finished product and waste material; Take out the part stage and be that to take out aircraft skin finished product and waste material be that processing is next time ready; Show mistake be in process if there is problem, the loca of quoting problem makes maintainer's queueing problem efficiently.
Fig. 3 is vacuum suction control principle drawing in the specific embodiment of the invention, it realized laser in the clamping that aircraft skin blank is added to man-hour with firm, make aircraft skin blank work in-process not produce displacement the aircraft skin after processing be guaranteed in physical dimension.Wherein, Vacuum Pumps Station is vacuum equipment, and it produces the negative pressure of 1 handkerchief in when work, makes sucker can have enough power absorption aircraft skin blanks; The function of solenoid valve be realize to the absorption of aircraft skin with unclamp and in the atmosphere of the vacuum discharge in pipeline; Vacuum switch is the detection to the negative-pressure vacuum degree in pipeline, and it is detecting data feedback to master station.Master station judges according to feedback data whether the vacuum tightness of pipeline reaches the standard of absorption; Sucker is the topworks of absorption aircraft skin.
Fig. 4 compresses control principle drawing in the specific embodiment of the invention, and its major function is that assisted vacuum absorption and control is to the clamping of aircraft skin work in-process and firm.Differ because aircraft skin is complex-shaped, vacuum suction control may can not be carried out effectively clamping with firm to aircraft skin blank in local area, calculates compacted position point it is compressed by software.Wherein, compression pump is the equipment that produces malleation, and it produces the malleation of specified handkerchief and presses in the time of work, makes rotation clamping steel have enough power to clamp aircraft skin blank; Air conditioning combination is that malleation pressure and exhaust are filtered and controlled to the malleation that compression pump is produced; The function of solenoid valve is to control the tight switch with unclamping of rotation clamping steel clamp; Rotation clamping steel is the topworks to aircraft skin blank clamping; Inductive switch is the laser head in induction processing, in the time that laser head will arrive rotation clamping steel hold-down head, gives master station signal feedback, and master station is realized rotation clamping steel hold-down head according to feedback information and dodged.
Fig. 5 is specific embodiment of the invention PC control panel, and it is the man-machine interface of the flexible frock control system of whole auxiliary aviation titanium plate cut.
Fig. 6 is specific embodiment of the invention titanium plate thin-wall part cutting effect figure, is the waste material of aircraft skin blank after Laser Processing and the schematic diagram of part.
Claims (5)
1. for a flexible frock control system for auxiliary aviation titanium plate cut, it is characterized in that comprising: master station, industrial digital IO plate, approach switch sensor, relaying amplify solid-state relay, solenoid valve and primary power; Described master station is controlled whole system in real time by customized software, and shows according to monitoring state, directly connecting virtual machine system of while, the state of simultaneous display equipment; Described industrial digital IO plate is realized the condition monitoring to solenoid valve and primary power; Described approach switch sensor detects in real time to the position of laser probe, provides alerting signal; Described relaying amplifies solid-state relay IO plate output signal is amplified, and drives electromagnetic valve work, or drives primary power to shut down; The sucking and unclamp of described solenoid control sucker, described primary power is whole system power source.
2. as claimed in claim 1 for the flexible frock control system of auxiliary aviation titanium plate cut, it is characterized in that: described master station adopts and grinds Chinese workers and control complete machine, customization HMI human interface software; Described industrial digital IO plate adopts and grinds magnificent PCI-1756 digital IO plate; The distance that approaches of described approach switch sensor is 3mm-8mm.
3. as claimed in claim 1 for the flexible frock control system of auxiliary aviation titanium plate cut, it is characterized in that control procedure comprises the steps:
(1) draw data by the mathematics model analysis of host computer, put titanium plate Skin Parts well according to data;
(2) start vacuum pump, control power supply, control system;
(3) bring into operation and allow device initialize, whether detection hardware has damage; Deal with problems according to the information of reporting an error if you have questions, then reinitialize;
(4) press absorption button and make titanium plate Skin Parts being adsorbed in frock according to the data adaptive of analyzing; Whether wrong according to feedback information, deal with problems according to the information of reporting an error if you have questions;
(5) hold down gag compresses Skin Parts; Whether wrong according to feedback information, deal with problems according to the information of reporting an error if you have questions;
(6) laser starts to cut titanium plate Skin Parts, and hold down gag is dodged laser head according to sensor information;
(7) after cut completes, hold down gag flicks, and vacuum suction is unclamped, and workman takes out workpiece.
4. as claimed in claim 3 for the flexible frock control system of auxiliary aviation titanium plate cut, it is characterized in that: in described control procedure step (4) and step (5), utilize the CAM(computer-aided manufacturing of cut) program pressing plate quantity and the position of calculating the position of each time point cutting and confirming at software section, determine the state that each pressing plate of each moment opens and closes, thereby generate the digital code of pressing plate state, the output card that utilizes microcomputer to install, by in continuous amplification control solenoid valve, thereby drive cylinder to realize closing and opening of pressing plate.
5. as claimed in claim 3 for the flexible frock control system of auxiliary aviation titanium plate cut, it is characterized in that: in described control procedure step (6), start after CAM program at laser cutting machine, in the time of normal operating conditions, control system will be sent the instruction of pressing plate state in real time, the solenoid valve that scan round is simultaneously all and the open/close states of cylinder, once find a certain abnormal state in status scan process, system is sent rapidly steering order and is rectified a deviation in time; In the time of abnormal work state, it is position operating sensor pattern and forced stoppage pattern that security system is divided into two-stage support link, described position transducer operational mode is carried out opening and closing pressing plate according to the state of feeler, simultaneity factor is sent alarm command, allows operating personnel check after circulation finishes; Described forced stoppage pattern is after system discovery has abnormal conditions and rectifies a deviation unsuccessfully; send immediately alerting signal; operating personnel can carry out shutdown inspection; as operating personnel not at the scene or fail to shut down in time; and when approach switch sensor receives the close signal of laser head, for not there is not plane collision incident, control system is shut down hard closing primary power; program stops, and all valves are in open mode.
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| CN201310737201.5A CN103823410B (en) | 2013-12-27 | 2013-12-27 | A kind of flexible frock control system for auxiliary aviation titanium plate cut |
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| CN201310737201.5A CN103823410B (en) | 2013-12-27 | 2013-12-27 | A kind of flexible frock control system for auxiliary aviation titanium plate cut |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104014939A (en) * | 2014-06-11 | 2014-09-03 | 沈阳飞机工业（集团）有限公司 | Titanium alloy skin laser cutting method based on flexible supporting device |
| CN107193260A (en) * | 2017-06-06 | 2017-09-22 | 太仓斯普宁精密机械有限公司 | A kind of laser processing control device |
| CN115327178A (en) * | 2022-08-19 | 2022-11-11 | 广东电网有限责任公司佛山供电局 | Electrical detection system and method and wiring conversion device |
| CN116890247A (en) * | 2023-07-31 | 2023-10-17 | 大连理工大学 | A follow-up auxiliary clamping device used to suppress processing deformation |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6918577B2 (en) * | 2002-09-24 | 2005-07-19 | Ford Motor Company | Tooling plate for a flexible manufacturing system |
| WO2009032283A2 (en) * | 2007-09-05 | 2009-03-12 | Hgs Aerospace, Inc. | Universal holding fixture |
| CN101804867A (en) * | 2010-03-17 | 2010-08-18 | 清华大学 | Flexible tool equipment intelligent control system of aircraft |
| CN102092019A (en) * | 2011-03-07 | 2011-06-15 | 河海大学常州校区 | Flexible multipoint tool set for positioning and supporting thin-walled curved surface parts |
| CN102430883A (en) * | 2011-11-07 | 2012-05-02 | 柳州高华机械有限公司 | Welding on-line monitoring system |
-
2013
- 2013-12-27 CN CN201310737201.5A patent/CN103823410B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6918577B2 (en) * | 2002-09-24 | 2005-07-19 | Ford Motor Company | Tooling plate for a flexible manufacturing system |
| WO2009032283A2 (en) * | 2007-09-05 | 2009-03-12 | Hgs Aerospace, Inc. | Universal holding fixture |
| CN101804867A (en) * | 2010-03-17 | 2010-08-18 | 清华大学 | Flexible tool equipment intelligent control system of aircraft |
| CN102092019A (en) * | 2011-03-07 | 2011-06-15 | 河海大学常州校区 | Flexible multipoint tool set for positioning and supporting thin-walled curved surface parts |
| CN102430883A (en) * | 2011-11-07 | 2012-05-02 | 柳州高华机械有限公司 | Welding on-line monitoring system |
Non-Patent Citations (3)
| Title |
|---|
| 务俊杰 等: "柔性装夹系统应用研究", 《柔性装配》 * |
| 孙岩: "钣金零件用真空夹持工装研制", 《机械设计与制造》 * |
| 甄瑞: "飞机蒙皮加工柔性夹具控制系统的研究", 《中国优秀硕士学位论文全文数据库工程科技II辑》, no. 2, 15 December 2011 (2011-12-15) * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104014939A (en) * | 2014-06-11 | 2014-09-03 | 沈阳飞机工业（集团）有限公司 | Titanium alloy skin laser cutting method based on flexible supporting device |
| CN107193260A (en) * | 2017-06-06 | 2017-09-22 | 太仓斯普宁精密机械有限公司 | A kind of laser processing control device |
| CN115327178A (en) * | 2022-08-19 | 2022-11-11 | 广东电网有限责任公司佛山供电局 | Electrical detection system and method and wiring conversion device |
| CN115327178B (en) * | 2022-08-19 | 2024-01-05 | 广东电网有限责任公司佛山供电局 | Electrical detection system, method and wiring conversion device |
| CN116890247A (en) * | 2023-07-31 | 2023-10-17 | 大连理工大学 | A follow-up auxiliary clamping device used to suppress processing deformation |
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| CN103823410B (en) | 2017-03-29 |
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Owner name: JIANGSU RUNMO AUTOMOBILE TESTING EQUIPMENT CO., LT Free format text: FORMER OWNER: JIANGSU SHEN MO DIGITAL MANUFACTURING TECHNOLOGY CO., LTD. Effective date: 20140818 |
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Denomination of invention: Flexible tool control system for assisting with laser cutting of aviation titanium plate Effective date of registration: 20190115 Granted publication date: 20170329 Pledgee: Bank of China Limited Zhenjiang Runzhou Branch Pledgor: Jiangsu profit mould automobile testing equipment company limited Registration number: 2019320000042 |
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Date of cancellation: 20200102 Granted publication date: 20170329 Pledgee: Bank of China Limited Zhenjiang Runzhou Branch Pledgor: Jiangsu profit mould automobile testing equipment company limited Registration number: 2019320000042 |
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Denomination of invention: Flexible tool control system for assisting with laser cutting of aviation titanium plate Effective date of registration: 20200106 Granted publication date: 20170329 Pledgee: Bank of China Limited Zhenjiang Dantu sub branch Pledgor: Jiangsu profit mould automobile testing equipment company limited Registration number: Y2020320000006 |