CN101357514B - Pressing device closed-cycle control system - Google Patents
Pressing device closed-cycle control system Download PDFInfo
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- CN101357514B CN101357514B CN2007101913695A CN200710191369A CN101357514B CN 101357514 B CN101357514 B CN 101357514B CN 2007101913695 A CN2007101913695 A CN 2007101913695A CN 200710191369 A CN200710191369 A CN 200710191369A CN 101357514 B CN101357514 B CN 101357514B
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Abstract
The present invention relates to a closed loop control system of a press, which pertains to the technical field of a control system of the press. The present invention is mainly characterized in that a coder is connected and arranged at the relevant moving part by an industrial field bus, the industrial field bus is connected with DeviceNet host station, and the DeviceNet host station exchanges data with a PLC programmable logic controller; a touch screen and an office computer adopt a closed loop system which consists of Ethernet and the PLC programmable logic controller; the present operation of a lathe can be reflected in real time under the support of various software programs; by using the closed loop control system, the safety of the lathe can be greatly increased, an automatic production line interface is arranged, the real-time operation information of the lathe can be displayed on the touch screen in the form of character, flow chart, sketch map, and the like, for convenient understanding, the statistics of relevant parts can be carried out according to the design parameters of the lathe so as to remind users of regular maintenance. The present invention can obviously increase the work efficiency and facilitate the arrangement and statistics of the work for supervisors.
Description
Technical field
The present invention relates to a kind of pressing device closed-cycle control system, belong to forcing press control system technical field.
Background technology
Current straight side press adopts open-loop control system to make master controller by Programmable Logic Controller PLC mostly and some reflect that the switching value input point of lathe particular states, the switching value output point of some drive actions constitute, do not possess lathe real-time running state feedback device, promptly do not have the detection control system of reflection lathe running status in real time, this all has very big influence to safe and reliable, the automaticity of lathe etc.
1), from security standpoint, in the motion process of object, existing open-loop control system can only passive basis be installed in testing agency's detection signal of relevant position and makes corresponding judgment, in case transmission mechanism or testing agency break down, the result is difficult to expect, causes serious consequence sometimes.As driving chain fracture in the camming.
2), from use angle, in the adjustment of mechanical movement position,, and can only adopt manually control because lack the checkout gear that is synchronized with the movement with mechanical object, on efficient and precision, be difficult to satisfactoryly, also can't adapt to the needs of pipelining.Often the control system of a lot of parts has independent controller, and parameter can't be gathered, be revised to master controller in real time.Automatically adjust as height of packing compact.
3), from fault restoration regular maintenance angle, in large-scale straight side press pipelining, can't stand long reparation, maintenance time on the operating cost, and traditional control system is because the backwardness of testing agency, concrete faulty component and reason be can't point out accurately, a large amount of inspection, test job needed.
4), from management view, traditional control system is the unit operation, does not constitute the interface and the programming of network, to arrangement, management, the statistics of work, can only adopt original hand-kept, be unfavorable for the mode of operation of office and on-the-spot direct dialogue efficiently.
Summary of the invention
The objective of the invention is above-mentioned all deficiencies of existing at existing forcing press control system, the running status that can real time reaction goes out forcing press is provided, realize a kind of pressing device closed-cycle control system that multiple devices are directly monitored, control.
The objective of the invention is to be achieved through the following technical solutions, a kind of pressing device closed-cycle control system, comprise the PLC programmable logic controller (PLC), it is characterized in that forcing press master motor connects the input of PLC programmable logic controller (PLC) by the high-speed pulse signal of incremental encoder, the Pneumatic pipe cleaner of press balance cylinder, air reservoir and air cushion air reservoir is crossed the accurate control of proportioning valve, and proportioning valve is by analog quantity unit and PLC programmable logic controller (PLC) swap data; The blind hole type individual pen absolute value encoder that the blind hole type multi-turn absolute value encoder that the frequency converter of main motor and slide block power transmission shaft flexibly connect, blind hole type multi-turn absolute value encoder and the bent axle power transmission shaft that gentle dig pass moving axis flexibly connects flexibly connect links to each other DeviceNet main website and PLC programmable logic controller (PLC) swap data with the DeviceNet main website by industrial field bus (DeviceNet); Touch-screen adopts Ethernet to link to each other with the PLC programmable logic controller (PLC) with Office PC; Described system software program is drawn together lathe operational support part, DeviceNet main station unit part, mould storehouse parameter management part and lathe running status, alarm meter part.
Described lathe operational support part software program comprises machine tool lubrication control; The control of lathe operating air pressure; The control of lathe tonnage; Lathe is regularly safeguarded and the lathe parameter setting, the automatic adjusting method of air cushion stroke and Mo Gao.
Described DeviceNet main station unit part software program comprises main motor frequency conversion device control; The control of cam angle degree parameter; The control of slide block height parameter; Control of air cushion height parameter and the control of bus communication parameter.
Described mould storehouse parameter management part software program comprises the setting of mold stroke parameter; Corresponding cam parameter is provided with; The slide block height parameter is provided with; The air cushion height parameter is provided with; The balance cylinder parameter is provided with the setting of gentle cushion steam cylinder parameter.
Described lathe running status, alarm meter part software program comprise lathe running status display list; Standard operation condition flow chart; Historical current warning display list; Timing maintenance time display list and loss component count display list.
The present invention is connected and installed in the encoder of relevant motive position by industrial field bus, forms closed-loop system, under the support of each software program, and the running status that reflects current lathe that can be real-time.Because of adopting closed-loop control system, possesses the driving data interface, very easily the parameter of the required adjustment of input on touch-screen.As the adjustment of motor speed high accuracy, any cam angle degree output etc.; The industrial field bus technology of using in the closed-loop system can link together multiple devices safely and fast, but and real time monitoring, revise related data, thereby can realize that host computer directly monitors any equipment of control.This can make the manager better arrange work plan, carry out real-time statistics, and can make the operator fast lathe be adjusted to required duty.Pass through closed-loop control system, can significantly improve lathe security, be equipped with automated production line interface, lathe real-time running state information and can be on touch-screen show and be convenient to understand in modes such as literal, flow chart, schematic diagrames, and can add up so that remind user's periodic maintenance region of interest according to the Machine Tool design parameter.If be equipped with simultaneously the camming of band mold database, can realize that 99 groups of mould air cushion strokes, compensating cylinder air pressure, air cushion air pressure, clutch air pressure, ram travels adjust automatically, can increase work efficiency significantly, be convenient to that the manager arranges, statistical work.
Description of drawings
Fig. 1 is a network diagram of the present invention;
Fig. 2 is the software block diagram among the present invention;
Fig. 3 is provided with software program for mould storehouse parameter management part mould travel parameters among the present invention;
Fig. 4 is provided with software program for mould storehouse parameter management part slide block height parameter among the present invention.
The specific embodiment
Further specify the present invention in conjunction with the accompanying drawings and embodiments, as shown in Figure 1, the present invention includes forcing press, the PLC programmable logic controller (PLC) of forcing press, touch-screen and Office PC, forcing press master motor, forcing press master motor speed feedback connects the input of PLC programmable logic controller (PLC) by the high-speed pulse signal of incremental encoder, the Pneumatic pipe cleaner of press balance cylinder, air reservoir and air cushion air reservoir is crossed the accurate control of proportioning valve, and proportioning valve is by analog quantity unit and PLC programmable logic controller (PLC) swap data; The blind hole type individual pen absolute value encoder that the blind hole type multi-turn absolute value encoder that the frequency converter of main motor and slide block power transmission shaft flexibly connect, blind hole type multi-turn absolute value encoder and the bent axle power transmission shaft that gentle dig pass moving axis flexibly connects flexibly connect links to each other DeviceNet main website and PLC programmable logic controller (PLC) swap data with the DeviceNet main website by industrial field bus (DeviceNet); Touch-screen links to each other with the PLC programmable logic controller (PLC) with Office PC employing Ethernet and shares data; seamless link by top data; can monitor the running status of lathe in real time; guarantee that lathe operates in the design parameter scope; once the interior abnormal conditions of design parameter scope occur exceeding, will report to the police shows fault message on touch-screen and Office PC.
As shown in Figure 2, system software program is drawn together lathe operational support part, DeviceNet main station unit part, mould storehouse parameter management part and lathe running status, alarm meter part; Lathe operational support part software program comprises machine tool lubrication control, the control of lathe air pressure, and the control of lathe tonnage, lathe is regularly safeguarded and the lathe parameter setting; DeviceNet main station unit part software program comprises main motor frequency conversion device control, the control of cam angle degree parameter, the control of slide block height parameter, control of air cushion height parameter and the control of bus communication parameter; Mould storehouse parameter management part software program comprises the setting of mold stroke parameter, and corresponding cam parameter is provided with, and the slide block height parameter is provided with, and the air cushion height parameter is provided with, and the balance cylinder parameter is provided with the setting of gentle cushion steam cylinder parameter; Lathe running status, alarm meter part software program comprise lathe running status display list, standard operation condition flow chart, historical current warning display list, regularly maintenance time display list and loss component count display list.
Fig. 3, Fig. 4 are respectively the parameter management part mould travel parameters setting of mould storehouse, the slide block height parameter is provided with software program.
Native system is made up of above-mentioned four module.Concrete implementation method is:
1) the machine tool travel number of times is set by HMI (touch-screen); gearratio according to Machine Tool design; through DeviceNet the HMI data are sent to UB (frequency converter); drive frequency converter; simultaneously actual speed is fed back to PLC by the incremental encoder that is installed on the motor shaft; PLC is by computing then; thereby realize adjusting automatically; and the cam encoder detects the machine tool travel number of times; and can do further fine setting; thereby realized coarse adjustment and the fine setting in the pid loop, the machine tool travel number can have been moved gently according to the stroke that is provided with accurately, and possessed " the speed difference is excessive " defencive function.
2) slide block/air cushion height is set a predetermined altitude by HMI, according to the gearratio of reality, through the PLC computing, realizes automatic adjustment by the output numerical value of slide block altimeter coder in real time, and the specific procedure flow chart please see Figure 4.
3) mould storehouse control, the various parameters of mould correspondence, as: slide block height, air cushion height, compensating cylinder air pressure, air cushion air pressure, cam parameter etc., can pass through the numbering that HMI (touch-screen) imports mould, by numbering, by the E of static equation at PLC
2PROM searches out the corresponding various parameters of mould numbering, and shows at HMI (touch-screen), if select to adjust automatically, the various moving components of lathe will be adjusted to the position of parameter correspondence automatically so, and concrete flow chart please see Figure 3.
4) automation source of the gas of the present invention, the passing ratio valve is controlled, and will import with output and compare, and floats in the scope of specification requirement, all can be considered normal, and can form a backfeed loop with the pressure sensor on the gas receiver.
Proportioning valve can directly be controlled by the PLC analog module, the high accuracy management is realized in lathe air inlet source, can be according to different mold weights, formula through design parameter, be converted into corresponding air pressure, press as the gentle cushion steam of compensating cylinder air pressure, with operation burden and the artificial operate miss of minimizing that alleviates the workman.Proportional valve control belongs to classical closed-loop control, can guarantee output pressure and input air pressure reliably working in allowed limits.Thereby can guarantee the protective device of the relevant load mechanism of lathe, as compensating cylinder air pressure and air cushion pressure work in the suitable scope of safety, thereby the strong precision of having guaranteed mould.
Claims (5)
1. pressing device closed-cycle control system, comprise the PLC programmable logic controller (PLC), it is characterized in that forcing press master motor connects the high-speed counting input of PLC programmable logic controller (PLC) by the high-speed pulse signal of incremental encoder, the Pneumatic pipe cleaner of press balance cylinder, air reservoir and air cushion air reservoir is crossed the accurate control of proportioning valve, and proportioning valve is by analog quantity unit and PLC programmable logic controller (PLC) swap data; The blind hole type individual pen absolute value encoder that the blind hole type multi-turn absolute value encoder that the frequency converter of main motor and slide block power transmission shaft flexibly connect, blind hole type multi-turn absolute value encoder and the bent axle power transmission shaft that gentle dig pass moving axis flexibly connects flexibly connect links to each other the main website of industrial field bus and PLC programmable logic controller (PLC) swap data by the main website of industrial field bus and industrial field bus; Touch-screen adopts Ethernet to link to each other with the PLC programmable logic controller (PLC) with Office PC; Described system software program is drawn together lathe operational support part, the main station unit part of industrial field bus, mould storehouse parameter management part and lathe running status, alarm meter part.
2. pressing device closed-cycle control system according to claim 1 is characterized in that described lathe operational support part software program comprises machine tool lubrication control; The control of lathe operating air pressure; The control of lathe tonnage; Lathe is regularly safeguarded and the lathe parameter setting, the automatic adjusting method of air cushion stroke and Mo Gao.
3. pressing device closed-cycle control system according to claim 1 is characterized in that the main station unit part software program of described industrial field bus comprises main motor frequency conversion device control; The control of cam angle degree parameter; The control of slide block height parameter; Control of air cushion height parameter and the control of bus communication parameter.
4. pressing device closed-cycle control system according to claim 1 is characterized in that described mould storehouse parameter management part software program comprises the setting of mold stroke parameter; Corresponding cam parameter is provided with; The slide block height parameter is provided with; The air cushion height parameter is provided with; The balance cylinder parameter is provided with the setting of gentle cushion steam cylinder parameter.
5. pressing device closed-cycle control system according to claim 1 is characterized in that described lathe running status, alarm meter part software program comprise lathe running status display list; Standard operation condition flow chart; Historical current warning display list; Timing maintenance time display list and loss component count display list.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2007101913695A CN101357514B (en) | 2007-12-17 | 2007-12-17 | Pressing device closed-cycle control system |
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| CN2007101913695A CN101357514B (en) | 2007-12-17 | 2007-12-17 | Pressing device closed-cycle control system |
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| CN101357514B true CN101357514B (en) | 2010-09-15 |
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Families Citing this family (11)
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| CN101566838B (en) * | 2009-06-05 | 2011-03-30 | 洛阳矿山机械工程设计研究院有限责任公司 | Automatic control method of high-pressure roller briquetting machine |
| CN102183911B (en) * | 2010-12-29 | 2012-08-29 | 江苏扬力集团有限公司 | Control system of servo press machine |
| CN102513751B (en) * | 2011-12-31 | 2014-11-26 | 长春大正博凯汽车设备有限公司 | Welding robot and welding method thereof |
| CN102744761B (en) * | 2012-07-09 | 2014-09-10 | 大亚木业(江西)有限公司 | Automatic control system of continuous pressing machine |
| CN103076798A (en) * | 2012-12-28 | 2013-05-01 | 无锡市拓发自控设备有限公司 | Detection method of cam controller |
| CN103085314B (en) * | 2013-02-01 | 2016-02-03 | 合肥合锻机床股份有限公司 | The forcing press of double-moving worktable and mobile controller and control method are installed |
| CN104354323B (en) * | 2014-11-29 | 2016-03-30 | 合肥合锻机床股份有限公司 | The tonnage monitoring device of multi-link lever press |
| CN106739127A (en) * | 2016-11-14 | 2017-05-31 | 宁波博信机械制造有限公司 | A kind of slider of punch moves the forecasting system of the frequency |
| CN106873514B (en) * | 2017-03-07 | 2019-08-20 | 佛山华数机器人有限公司 | A kind of control method of flexibility punching press on line control system |
| CN106862359A (en) * | 2017-04-18 | 2017-06-20 | 苏州蓝王机床工具科技有限公司 | Forcing press stretches cushion steam pressure control system |
| CN114237162B (en) * | 2021-11-22 | 2023-11-24 | 浙江华章科技有限公司 | System for graphically setting transmission speed chain |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD226236A1 (en) * | 1984-07-25 | 1985-08-21 | Warnke Umformtech Veb K | FREELY PROGRAMMABLE CONTROL SYSTEM FOR TOOLING MACHINE COMPLEXES, FOR EXAMPLE PRESSING COMPLEXES |
| US5224053A (en) * | 1991-01-22 | 1993-06-29 | Dayton Reliable Tool & Mfg. Co. | Interactive control for can end systems |
| US6411863B1 (en) * | 1998-11-02 | 2002-06-25 | The Minster Machine Company | Auxiliary control system for use with programmable logic controller in a press machine |
| CN1903476A (en) * | 2005-07-28 | 2007-01-31 | 中南大学 | Compensation synchronous balancing control system for large die forging hydraupress |
| CN1907697A (en) * | 2005-08-05 | 2007-02-07 | 天津市天锻压力机有限公司 | Press machine head, system of workbench precision intelligence centering control and method thereof |
| CN200956105Y (en) * | 2006-08-31 | 2007-10-03 | 天津市天锻压力机有限公司 | Hydraulic machine bus control system with two different standard buses |
-
2007
- 2007-12-17 CN CN2007101913695A patent/CN101357514B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD226236A1 (en) * | 1984-07-25 | 1985-08-21 | Warnke Umformtech Veb K | FREELY PROGRAMMABLE CONTROL SYSTEM FOR TOOLING MACHINE COMPLEXES, FOR EXAMPLE PRESSING COMPLEXES |
| US5224053A (en) * | 1991-01-22 | 1993-06-29 | Dayton Reliable Tool & Mfg. Co. | Interactive control for can end systems |
| US6411863B1 (en) * | 1998-11-02 | 2002-06-25 | The Minster Machine Company | Auxiliary control system for use with programmable logic controller in a press machine |
| CN1903476A (en) * | 2005-07-28 | 2007-01-31 | 中南大学 | Compensation synchronous balancing control system for large die forging hydraupress |
| CN1907697A (en) * | 2005-08-05 | 2007-02-07 | 天津市天锻压力机有限公司 | Press machine head, system of workbench precision intelligence centering control and method thereof |
| CN200956105Y (en) * | 2006-08-31 | 2007-10-03 | 天津市天锻压力机有限公司 | Hydraulic machine bus control system with two different standard buses |
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Address after: Yang Road, Yangzhou hi tech Industrial Development Zone, Hanjiang District, Jiangsu city of Yangzhou Province, No. 99 225009 Patentee after: JIANGSU YANGLI GROUP CO., LTD. Address before: 225127 No. 99 middle Yangtze Road, Yangzhou Development Zone, Jiangsu, China Patentee before: Jiangsu Yangli Group Co., Ltd. |
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