CN105676783A - Cover-blowing real-time multi-path intelligent control system and method - Google Patents

Cover-blowing real-time multi-path intelligent control system and method Download PDF

Info

Publication number
CN105676783A
CN105676783A CN201610246306.4A CN201610246306A CN105676783A CN 105676783 A CN105676783 A CN 105676783A CN 201610246306 A CN201610246306 A CN 201610246306A CN 105676783 A CN105676783 A CN 105676783A
Authority
CN
China
Prior art keywords
lid
infrared
blowing
punching
punching press
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201610246306.4A
Other languages
Chinese (zh)
Other versions
CN105676783B (en
Inventor
杨莉
舒军
丁毅娟
刘鸿翔
邓芳
雷建军
胡罗凯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hubei University of Education
Original Assignee
Hubei University of Education
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hubei University of Education filed Critical Hubei University of Education
Priority to CN201610246306.4A priority Critical patent/CN105676783B/en
Publication of CN105676783A publication Critical patent/CN105676783A/en
Application granted granted Critical
Publication of CN105676783B publication Critical patent/CN105676783B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • G05B19/18Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
    • G05B19/406Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by monitoring or safety
    • G05B19/4065Monitoring tool breakage, life or condition
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/30Nc systems
    • G05B2219/31From computer integrated manufacturing till monitoring
    • G05B2219/31076Controller for cell, for robot motion, for supervision

Abstract

The invention discloses a cover-blowing real-time multi-path intelligent control system and method. The system comprises a punching pattern calculator, a decision-making device, a time interval calculating module, a synchronous jump detector, an infrared jump detector, an infrared sensor and a cover-blowing synchronous signal sensor. In a punching process, the misjudgement after infrared rays are shielded by smudges is effectively avoided; the time length from the beginning of punching to an infrared shielding signal receiving moment is automatically detected for each path of punch, thereby facilitating the determination of subsequent parameter ranges; based on a plurality of times of real punching, the effective parameter range of the infrared shielding signal is automatically calculated; according to the types of punching feeding plates, whether a punching material is under each punch is automatically calculated in the punching process, and the cover-blowing control corresponding to the punches having no materials is automatically switched off, and the cover-blowing control corresponding to the punches having materials is switched on; in addition, high speed devices such as an FPGA is adopted, and punching can be stopped as early as possible after a cover blowing fault, so that the punches are prevented from punching the covers which are not taken out, and the die damage is avoided.

Description

One blows lid real-time multichannel intelligence control system and method
Technical field
The invention belongs to numerical control press feeding and control technical field, be specifically related to one and blow lid real-time multichannel intelligence control system and method.
Background technology
In numerical control press feeding control system, after each punching press, blanking punched must reliably, promptly removed, otherwise may produce superposition punching press phenomenon, cause mould to scrap. The method of current most of control system Detection & Controling is: increases by a road and blows lid synchronizing signal, receives and detect infrared circumstance of occlusion when blowing lid synchronizing signal, if unobstructed explanation drowning normally blows out, directly disconnects drift relay, it is prevented that continue punching press.
There are the following problems for said method: dirty blocks infrared signal if first had, then there will necessarily be erroneous judgement, though cause lid do not blow out also can judge normal, it is impossible to effectively prevent dirty interference; Secondly, existing lid control system of blowing blows lid parameter only by blind tune, often results in debugging time overlength, even within several days, is all difficult to debug successfully; Finally, it is impossible to process multiple punch simultaneously punching press, part drift next have material, for a moment without the actual demand expected.
Summary of the invention
In order to solve above-mentioned technical problem, the invention provides a kind of can effectively prevent dirty interference, debug simple and quick, reflect and sensitive blow lid real-time multichannel intelligence control system and method.
The technical scheme is that one of system of the present invention blows lid real-time multichannel intelligence control system, it is characterised in that: include punching press flower pattern computer, decision-making device, interval computing module, synchronize transition detection device, infrared transition detection device, infrared sensor and blow lid synchronous signal sensor;
The described lid synchronous signal sensor that blows is arranged on punch brake dish or punch press isochronous controller; Described synchronization transition detection device is connected with the described lid synchronous signal sensor that blows, for detecting whether the on off state blowing lid synchronizing signal there occurs change;
Described infrared sensor is arranged on and blows on lid passage; Described infrared transition detection device is connected with described infrared sensor, and whether the on off state for detecting infrared sensing there occurs change;
Described interval computing module input respectively with described synchronization transition detection device, infrared transition detection device connect, be used for calculating under each drift from blow lid synchronize effectively start to infrared upper bound-time interval t1;
Described decision-making device input is connected with described punching press flower pattern computer, interval computing module respectively, and outfan is connected with punch press; The described punching press flower pattern computer drawing according to input, it is judged that whether have material under each punch center, described decision-making device is for when occurring that lid does not blow out fault, quickly stopping punching press.
As preferably, described system adopts the high-speed chips such as FPGA to realize, and reflecting time reaches 20ns rank.
The technical scheme is that one of method of the present invention blows lid real-time multichannel intelligent control method, it is characterised in that comprise the following steps:
Step 1: before each punching press, according to drift number, board size and punching press flower pattern that user provides, punching press flower pattern computer calculates whether have material under each drift, if without material, this punching press of this drift is closed and blown lid detection, otherwise open detection;
Step 2: blow lid synchronizing signal from no signal to the moment t having signal by synchronizing transition detection device collectionSynchronize;
Step 3: gather infrared sensing signal from no signal to the moment t having signal by infrared transition detection deviceInfrared;
Step 4: be responsible for calculating t by interval computing moduleBlowout duration=tInfrared-tSynchronize;
Step 5: by decision-making device decision-making; Meet the detection unlatching of current drift blowing down lid, tBlowout durationProlong more than before blowing lid, and add time delay before blowing up lid less than blowing lid time delay, just belong to lid blowout normal condition; If blowing lid normally or blow lid closedown, keeping normal ram, otherwise belonging to and blow lid abnormal conditions, stopping punching press immediately.
As preferably, each punching press preshoot pattern pressing type computer calculates whether have material under each drift described in step 1, it is provide drawing according to user, if punch center exceeds plate face scope i.e. this hole without material; Namely judge that the X-coordinate of current punch center point is whether within the scope of the minimum X and maximum X of plate, and whether the Y coordinate of punch center point is within the scope of the minimum Y and maximum Y of plate, if having a kind of situation not within the scope of this, namely without material under this drift.
As preferably, in step 5, in adding up one minute every time in real punching, synchronize effectively to start to infrared upper bound-time interval t from blowing lid under each drift1, calculate each time measure t1Maximum t1maxMinima t with t11min; Take 0.9 times of t1minAs blowing the front delay parameter of lid, 1.1 times of t1maxDeduct and blow the front delay parameter of lid as blowing lid delay parameter.
The present invention can effectively prevent and treat dirty interference, it is simple and quick to debug, it is sensitive to reflect, has the following characteristics that
1, the method proposing detection infrared sensing saltus step, in punching course, is blocked even if infrared, blocks saltus step process due to what do not cover blowout, is also judged as fault, effectively prevent and infrared is judged by accident after dirty blocking;
2, automatically detect each road drift to start to receiving the infrared duration blocking signal from punching press, it is simple to subsequent parameter scope is determined;
3, rush on basis repeatedly real, automatically calculate the infrared actual parameter scope blocking signal;
4, according to punching press feeding template, whether having stamping material when automatically calculating punching press under each drift, be automatically switched off the drift correspondence without material and blow lid control, what unlatching had a material blows lid control;
5, control system adopt high-speed chip, as FPGA realizes, reflecting time reaches 20ns rank, stops punching press as early as possible so that drift will not be stamped on the lid not taken out, it is to avoid burn failure after realizing lid blowout fault;
6, can select to set according to user, stop punch synchronous by software using existing or walk bit synchronization as blowing lid synchronization, and the independent lid that blows need not be installed again and synchronize.
Accompanying drawing explanation
Fig. 1: the system construction drawing of the embodiment of the present invention;
Fig. 2: the systematic schematic diagram of the embodiment of the present invention;
Fig. 3: the punching press template schematic diagram of the embodiment of the present invention;
Fig. 4: the infrared detection parameter schematic diagram of the embodiment of the present invention.
Detailed description of the invention
Understand for the ease of those of ordinary skill in the art and implement the present invention, below in conjunction with drawings and Examples, the present invention is described in further detail, should be appreciated that enforcement example described herein is merely to illustrate and explains the present invention, be not intended to limit the present invention.
Ask for an interview Fig. 1 and Fig. 2, one provided by the invention blows lid real-time multichannel intelligence control system, including punching press flower pattern computer, decision-making device, interval computing module, synchronizes transition detection device, infrared transition detection device, infrared sensor and blows lid synchronous signal sensor;
Blow lid synchronous signal sensor and be arranged on punch brake dish or punch press isochronous controller; Synchronize transition detection device to be connected with blowing lid synchronous signal sensor, for detecting whether the on off state blowing lid synchronizing signal there occurs change;
Infrared sensor is arranged on and blows on lid passage; Infrared transition detection device is connected with infrared sensor, and whether the on off state for detecting infrared sensing there occurs change;
Interval computing module input respectively with Tong Bu transition detection device, infrared transition detection device connect, be used for calculating under each drift from blow lid synchronize effectively start to infrared upper bound-time interval t1;
Decision-making device input is connected with punching press flower pattern computer, interval computing module respectively, and outfan is connected with punch press; The punching press flower pattern computer drawing according to input, it is judged that whether have material under each punch center, decision-making device is for when occurring that lid does not blow out fault, quickly stopping punching press.
One provided by the invention blows lid real-time multichannel intelligent control method, comprises the following steps:
Step 1: before each punching press, according to drift number, board size and punching press flower pattern that user provides, punching press flower pattern computer calculates whether have material under each drift, if without material, this punching press of this drift is closed and blown lid detection, otherwise open detection;
The present embodiment is for template shown in Fig. 3, and square frame inner circular is the lid wanting blanking, and square frame is actual sheet material housing, and the circular hole outside square frame is non-existent on actual sheet material. In template shown in Fig. 3, according to size and punching press spacing, it is possible to automatically calculate punching press path, when being stamped into the 3rd and rushing, under the drift of the left side, there are lid, uncovered under the drift of the right, therefore, what will turn off the right when rushing in fact blows lid detection, and that opens the left side blows lid detection.
The present embodiment, each punching press preshoot pattern pressing type computer calculates whether have material under each drift, is provide drawing according to user, if punch center exceeds plate face scope i.e. this hole without material; Namely judge that the X-coordinate of current punch center point is whether within the scope of the minimum X and maximum X of plate, and whether the Y coordinate of punch center point is within the scope of the minimum Y and maximum Y of plate, if having a kind of situation not within the scope of this, namely without material under this drift.
Step 2: blow lid synchronizing signal from no signal to the moment t having signal by synchronizing transition detection device collectionSynchronize;
Step 3: gather infrared sensing signal from no signal to the moment t having signal by infrared transition detection deviceInfrared;
Step 4: be responsible for calculating t by interval computing moduleBlowout duration=tInfrared-tSynchronize;
Step 5: by decision-making device decision-making; Meet the detection unlatching of current drift blowing down lid, tBlowout durationProlong more than before blowing lid, and add time delay before blowing up lid less than blowing lid time delay, just belong to lid blowout normal condition; If blowing lid normally or blow lid closedown, keeping normal ram, otherwise belonging to and blow lid abnormal conditions, stopping punching press immediately.
The present embodiment adopts high-resolution timer, when automatically calculating each drift action, blows lid interval between synchronization, infrared upper saltus step, infrared lower saltus step, and is shown on interface, it is simple to user's manual setting.
As shown in Figure 4, adopt blow lid before time delay, blow lid time delay, blow lid synchronize select three state modulator complete to blow lid control.
Blow lid to synchronize to select: be used for selecting using and existing stop punch synchronous or walk bit synchronization as blowing lid benchmark lock in time.
Time delay before blowing lid: do not detect infrared signal receiving to blow after lid synchronizes in how long.
Blow lid time delay: terminate to receive infrared skip signal in beginning how long from blowing the front time delay of lid for setting, be otherwise judged to blow lid fault. Infrared upper saltus step or lower saltus step should be comprised as required during this time delay.
The present embodiment is added up in one minute in real punching every time, synchronizes effectively to start to infrared upper bound-time interval t from blowing lid under each drift1, calculate each time measure t1Maximum t1maxMinima t with t11min; Take 0.9 times of t1minAs blowing the front delay parameter of lid, 1.1 times of t1maxDeduct and blow the front delay parameter of lid as blowing lid delay parameter.
The present embodiment adopts the high speed device such as FPGA or high-speed microprocessor to realize blowing lid control so that whole system reflecting time is short, reduces the control time, it is prevented that blow the mould damage problem caused evening lid fault rear braking time.
It should be appreciated that the part that this specification does not elaborate belongs to prior art.
Should be understood that; the above-mentioned description for preferred embodiment is comparatively detailed; therefore the restriction to scope of patent protection of the present invention can not be thought; those of ordinary skill in the art is under the enlightenment of the present invention; under the ambit protected without departing from the claims in the present invention; can also making replacement or deformation, each fall within protection scope of the present invention, the scope that is claimed of the present invention should be as the criterion with claims.

Claims (5)

1. one kind is blown lid real-time multichannel intelligence control system, it is characterised in that: include punching press flower pattern computer, decision-making device, interval computing module, synchronize transition detection device, infrared transition detection device, infrared sensor and blow lid synchronous signal sensor;
The described lid synchronous signal sensor that blows is arranged on punch brake dish or punch press isochronous controller; Described synchronization transition detection device is connected with the described lid synchronous signal sensor that blows, for detecting whether the on off state blowing lid synchronizing signal there occurs change;
Described infrared sensor is arranged on and blows on lid passage; Described infrared transition detection device is connected with described infrared sensor, and whether the on off state for detecting infrared sensing there occurs change;
Described interval computing module input respectively with described synchronization transition detection device, infrared transition detection device connect, be used for calculating under each drift from blow lid synchronize effectively start to infrared upper bound-time interval t1;
Described decision-making device input is connected with described punching press flower pattern computer, interval computing module respectively, and outfan is connected with punch press; The described punching press flower pattern computer drawing according to input, it is judged that whether have material under each punch center, described decision-making device is for when occurring that lid does not blow out fault, quickly stopping punching press.
2. according to claim 1 blow lid real-time multichannel intelligence control system, it is characterised in that: described system adopts high-speed chip, and reflecting time reaches 20ns rank.
3. one kind is blown lid real-time multichannel intelligent control method, it is characterised in that comprise the following steps:
Step 1: before each punching press, according to drift number, board size and punching press flower pattern that user provides, punching press flower pattern computer calculates whether have material under each drift, if without material, this punching press of this drift is closed and blown lid detection, otherwise open detection;
Step 2: blow lid synchronizing signal from no signal to the moment t having signal by synchronizing transition detection device collectionSynchronize;
Step 3: gather infrared sensing signal from no signal to the moment t having signal by infrared transition detection deviceInfrared;
Step 4: be responsible for calculating t by interval computing moduleBlowout duration=tInfrared-tSynchronize;
Step 5: by decision-making device decision-making; Meet the detection unlatching of current drift blowing down lid, tBlowout durationProlong more than before blowing lid, and add time delay before blowing up lid less than blowing lid time delay, just belong to lid blowout normal condition; If blowing lid normally or blow lid closedown, keeping normal ram, otherwise belonging to and blow lid abnormal conditions, stopping punching press immediately.
4. according to claim 3 blow lid real-time multichannel intelligent control method, it is characterized in that: each punching press preshoot pattern pressing type computer calculates whether have material under each drift described in step 1, it is provide drawing according to user, if punch center exceeds plate face scope i.e. this hole without material; Namely judge that the X-coordinate of current punch center point is whether within the scope of the minimum X and maximum X of plate, and whether the Y coordinate of punch center point is within the scope of the minimum Y and maximum Y of plate, if having a kind of situation not within the scope of this, namely without material under this drift.
5. according to claim 3 blow lid real-time multichannel intelligent control method, it is characterised in that: in step 5, in adding up one minute every time in real punching, synchronize effectively to start to infrared upper bound-time interval t from blowing lid under each drift1, calculate each time measure t1Maximum t1maxMinima t with t11min; Take 0.9 times of t1minAs blowing the front delay parameter of lid, 1.1 times of t1maxDeduct and blow the front delay parameter of lid as blowing lid delay parameter.
CN201610246306.4A 2016-04-20 2016-04-20 One kind blows lid real-time multichannel intelligence control system and method Expired - Fee Related CN105676783B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610246306.4A CN105676783B (en) 2016-04-20 2016-04-20 One kind blows lid real-time multichannel intelligence control system and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610246306.4A CN105676783B (en) 2016-04-20 2016-04-20 One kind blows lid real-time multichannel intelligence control system and method

Publications (2)

Publication Number Publication Date
CN105676783A true CN105676783A (en) 2016-06-15
CN105676783B CN105676783B (en) 2018-01-23

Family

ID=56309244

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610246306.4A Expired - Fee Related CN105676783B (en) 2016-04-20 2016-04-20 One kind blows lid real-time multichannel intelligence control system and method

Country Status (1)

Country Link
CN (1) CN105676783B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108856528A (en) * 2018-06-05 2018-11-23 海盐博友五金制造有限责任公司 A kind of stamping equipment with refrigerating function

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5209098A (en) * 1987-10-05 1993-05-11 Reynolds Metals Company Method and apparatus for forming can ends
CN101322996A (en) * 2007-06-15 2008-12-17 肖旻才 Preparing technique of aerosol pot face cover full-automatic material-feeding and fetching and device thereof
CN102717000A (en) * 2012-05-24 2012-10-10 安徽省阜阳市宏洋实业有限公司 Automatic material feeding and discharging structure of punching machine for punching cover plate of iron wine box
CN203568460U (en) * 2013-11-12 2014-04-30 产台股份有限公司 Feeding rail material part separating device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5209098A (en) * 1987-10-05 1993-05-11 Reynolds Metals Company Method and apparatus for forming can ends
CN101322996A (en) * 2007-06-15 2008-12-17 肖旻才 Preparing technique of aerosol pot face cover full-automatic material-feeding and fetching and device thereof
CN102717000A (en) * 2012-05-24 2012-10-10 安徽省阜阳市宏洋实业有限公司 Automatic material feeding and discharging structure of punching machine for punching cover plate of iron wine box
CN203568460U (en) * 2013-11-12 2014-04-30 产台股份有限公司 Feeding rail material part separating device

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
杨莉 等: "基于嵌入式PC控制技术数控冲床系统的设计与实现", 《湖北教育学院学报》 *
舒军 等: "嵌入式数控冲床送料系统的研究", 《湖北教育学院学报》 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108856528A (en) * 2018-06-05 2018-11-23 海盐博友五金制造有限责任公司 A kind of stamping equipment with refrigerating function

Also Published As

Publication number Publication date
CN105676783B (en) 2018-01-23

Similar Documents

Publication Publication Date Title
US7065241B2 (en) Method for monitoring a detection region of a working element
CN102372222B (en) Reverse, over-speed and stall protection safety circuit of escalator and moving walkway
CN107103599A (en) A kind of transmission line of electricity trees hidden danger prediction analysis method based on LiDAR
EP2940369B1 (en) Reshaping device and method for operating the same
CN109588763B (en) Glue position detection alarm system applied to ZJ112 cigarette making machine
CN105911424B (en) A kind of recognition methods based on fault detector false positive signal
EP2644962B1 (en) Reshaping device and method for operating same
CN105676783A (en) Cover-blowing real-time multi-path intelligent control system and method
AU2019422343A1 (en) Operation monitoring system and monitoring method thereof
CN109065197B (en) Alarm classification processing method and system for pressurized water reactor nuclear power plant
EP1919814B1 (en) Method and system for communicating with a controller of an elevator
CN101348203B (en) Elevator safety device and control method thereof
CN104438950A (en) Safety protection device and method for automatic stamping line
CN102768531A (en) Method for improving safety of automatic pilot system (APS) with uniprocessor structure
CN107235458B (en) Detection device and detection method
CN114837493B (en) Protective device and method for automatic station guardrail fork knife edge in production workshop
CN207037116U (en) A kind of detecting system of glass breaking
CN205057679U (en) Digit control machine tool early warning system
CN101561670B (en) Control system and control method of steel punching shear production line
CN209239647U (en) It is a kind of for preventing knife arm type knife library also knife from hitting the control device of knife
DE102016204965B4 (en) Safety controller and method for operating a safety controller
CN214476077U (en) A mark tablet and system for secondary screen cabinet safety measure
CN104954174A (en) Method for setting double-threshold warning
CN209223014U (en) A kind of multi-station Die Used in Pressworking of anti-stack
CN205301940U (en) Automatic checkout device is demolishd to equipment

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180123

Termination date: 20210420