CN104483888A - Mistake-proofing system - Google Patents
Mistake-proofing system Download PDFInfo
- Publication number
- CN104483888A CN104483888A CN201410735013.3A CN201410735013A CN104483888A CN 104483888 A CN104483888 A CN 104483888A CN 201410735013 A CN201410735013 A CN 201410735013A CN 104483888 A CN104483888 A CN 104483888A
- Authority
- CN
- China
- Prior art keywords
- controller
- rifle
- signal
- gas flow
- gun
- 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
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Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/058—Safety, monitoring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
- B25B21/004—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose of the ratchet type
- B25B21/005—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose of the ratchet type driven by a radially acting hydraulic or pneumatic piston
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention relates to a mistake-proofing system, and belongs to the technical field of automobile chair installation. The mistake-proofing system comprises a controller, a position switch detection device, a pneumatic gun device and a gas flow detection device, wherein a screwing program corresponding to a plurality of screw bolts on an assembling line and the gun sequence of pneumatic guns used for screwing the screw bolts are preset in the controller, the position switch detection device is used for detecting whether screw bolts to be assembled are positioned on an assembling tooling or not so that the corresponding screwing program can be started, the pneumatic gun device is used for screwing the screw bolts, the gas flow detection device is used for detecting flowing state signals of compressed air of the pneumatic gun device, after once qualified gun shooting, the switch signals on the gas flow detection device can be transmitted to the controller, and the controller counts the number of qualified gun shooting times. The mistake-proofing system has the advantages that the mistake-proofing effect identical to that of an electric torque gun is enabled to be achieved, and in addition, the cost is much lower than that of the electric torque gun.
Description
Technical field
The present invention relates to a kind of fail-safe system that pneumatic gun is tightened, belong to automotive seat field engineering field.
Background technology
Aerodynamic moment spanner is widely used in the production assembling of each factory, and it is fastening at the bolt terminal of 10NM-40NM to be mainly used in some torque values.The features such as this pneumatic adjustable wrest fixing spanner has torque precision high (7-10%), and good stability is easy to use, is easy to safeguard, moderate.But in modern assembly industry, the integrated requirement of whole system to instrument is more and more higher, need instrument itself can carry out effective information transmission and collaborative work of interlocking with whole system.But due to this body structure of impact wrench, obviously this requirement can not be met.This can not effectively monitor and follow the tracks of the state of aerodynamic moment spanner when carrying out bolted with regard to making.Branch office have employed at multiple station the connection that pneumatic torque wrench carries out workpiece, in use, bolt no marking, the wrong quality events such as to beat repeatedly occurs.When using aerodynamic moment spanner, also all there is similar situation in other general assembly factory.Because these shortcomings making many factories when purchasing tightening tool, no longer considering impact wrench, changing electric torsional Ore-controlling Role into, so that greatly promote purchase cost.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of fail-safe system, for the above-mentioned deficiency of aerodynamic moment spanner, analysis and modification has targetedly been carried out to the aerodynamic moment spanner used and whole fielded system, make it to have possessed the communication function with system synergistic working, effectively can transmit and relevant tighten information, with under the work of frock interlocking, solve bolt no marking, the wrong quality events such as to beat, improve mistake proofing grade greatly.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of fail-safe system, is characterized in that, comprise controller, presets the program of tightening of multiple bolt on corresponding assembly line and the rifle for the pneumatic gun of tightening described multiple bolt in controller;
With the position switch pick-up unit of controller control linkage, for whether detecting bolt to be assembled in assembly tooling, tighten program accordingly to start;
One detection of gas flow rate device, described detection of gas flow rate device in order to detect the air flow condition of pneumatic gun, and by air flow condition signal transmission to controller;
Wherein, after in bolts assemblies frock to be assembled, position switch pick-up unit sends signal to controller, and controller starts tightens program accordingly; After pneumatic gun has often made a rifle, compression gas flow signal can be changed into the normal ON signal of switch or normally closed signal by the switching signal on detection of gas flow rate device, then controller is transferred to, with the involutory lattice rifle of Time Controller time counting, and calculated qualified rifle is compared with the rifle be set in advance in controller, when setting rifle and expiring, system sends a qualified signal, unclamps chain frock; When not reaching setting rifle, frock can not be taken off, described position switch pick-up unit is optoelectronic switch, described detection of gas flow rate device comprises air flow chamber, blade, rotating shaft and switching signal, and air flow chamber is provided with admission piece and outlet nozzle, is connected on the tracheae of described pneumatic gun by described admission piece and outlet nozzle by air flow chamber, described blade is placed in described air flow chamber, blade is connected with switching signal by described rotating shaft, and described controller is PLC, and described controller is connected with warning device.
Beneficial effect of the present invention:
Utilize pneumatic torque wrench after the torque value tightening setting, can automatically die, even and if now still by the gunlock that press against spanner, the airshed in tracheae is zero this characteristic.System pours the tight condition of another edition of a book bolt by the seizure of the negative edge differential to flow signal.Then calculated by the bolt of system to the eligible state of having tightened, and compare with the rifle of default, when setting rifle and expiring, system can send a qualified signal, unclamps chain frock.And setting rifle time ought do not reached, due to assembly tooling and system chain, can not frock be taken off.If force to take frock away, system can send warning.
A kind of fail-safe system of the present invention can effectively transmit relevant tightens information, with under the interlocking work of frock, improves mistake proofing grade greatly, significantly reduces the probability of happening of no marking accident.
Accompanying drawing explanation
Fig. 1 is the system construction drawing of a kind of fail-safe system of the present invention;
Fig. 2 is the structural principle schematic diagram of detection of gas flow rate device;
Wherein, 1, blade; 2, switch; 3, the air of air flow chamber is entered; 4, the air of pneumatic gun is entered.
Embodiment
Below in conjunction with specific embodiment, set forth the present invention further.Should be understood that these embodiments only for illustration of this
Invention and be not used in and limit the scope of the invention.In addition should be understood that those skilled in the art can make various changes or modifications the present invention, and these equivalent form of values fall within this Shen equally after the content of having read the present invention's statement
Please appended claims limited range.
Embodiment one, as shown in Figure 1, a kind of fail-safe system, in the production system of automotive seat, comprises controller, is preset with the program of tightening of multiple bolt on corresponding assembly line and the rifle for the pneumatic gun of tightening described multiple bolt in controller;
The position switch pick-up unit be connected with controller, for whether detecting bolt to be assembled in assembly tooling, tightens program accordingly to start; Simultaneously this signal or the initialization of bolt tightening working cycle and the activation signal of reset; One optoelectronic switch by device in assembly tooling, for whether detecting bolt to be assembled in assembly tooling, tightens program accordingly to start; This signal still originally tightens the initialization of working cycle and the activation signal of reset simultaneously.It is 1 that occupation time signal exports, and during room, signal exports is 0.
Detection of gas flow rate device, in order to detect the compressed-air actuated flow state signal of pneumatic gun; After often having made once qualified rifle time, the switching signal on detection of gas flow rate device can by Signal transmissions to controller, and controller counts qualified rifle;
Wherein, after in bolts assemblies frock to be assembled, position switch pick-up unit sends signal to controller, and controller starts tightens program accordingly; When after pneumatic gun action, switching signal on detection of gas flow rate device can by Signal transmissions to controller, with the involutory lattice rifle of Time Controller time counting, and calculated qualified rifle is compared with the rifle be set in advance in controller, when setting rifle and expiring, system can send a qualified signal, unclamps chain frock; When not reaching setting rifle, workpiece can not be taken off.
Further, described position switch pick-up unit is optoelectronic switch.
Further, described detection of gas flow rate device is by air flow chamber, blade, switching signal forms, described blade is positioned in described air flow chamber, air flow chamber is provided with admission piece and outlet nozzle, air flow chamber is connected on the high pressure gas pipeline of described pneumatic gun by described admission piece and outlet nozzle, described blade is positioned in described air flow chamber, switching signal is located at above air flow chamber, whether finish for Detection task, when controller detects bolt tooling to be assembled, now the flow direction of air-flow is to pneumatic gun through air flow chamber, when air flow chamber has air-flow to pass through, blade in air flow chamber rotates and makes switching signal become normally closed by often opening, after having made a rifle, now, due to pneumatic gun reach moment of torsion after can automatically die, pneumatic gun can not action, blade in air flow chamber can not rotate or rotational speed slower, switching signal is often opened by normally closed becoming.The flow status of gas be transformed into the normally closed of switching signal or often open, by the signal of switching signal and the logical calculated of rifle signal, so that controller carries out selective mechanisms to tightened bolt state.
As preferred embodiment, middle controller of the present invention adopts PLC, if cost-saving further, can consider to adopt single card microcomputer to control.The working time of PLC to switching signal and pneumatic gun carries out timing monitoring (working time of monitoring pneumatic gun is that switching signal is from normally closed to often opening), if satisfied condition simultaneously, think that a rifle has been beaten and namely count once, when the number of times of counting is identical with the number of times that PLC sets, then think that bolt tooling task to be assembled completes
Tighten continuously on same bolt, the problem of repetition metering may be caused, the generation effectively avoiding error count secondary to the identification in pneumatic torque reaction time by system.Specifically: in controller, pre-set the time that each qualified rifle at least needs; Often beating when pneumatic gun the duration of ventilation that calculates this pneumatic gun once and compared with the time in controller, if the time is lower than setup times, then having beaten for repeating on same bolt, otherwise be that new qualified rifle is secondary.
Claims (1)
1. a fail-safe system, is characterized in that, comprises controller, presets the program of tightening of multiple bolt on corresponding assembly line and the rifle for the pneumatic gun of tightening described multiple bolt in controller;
With the position switch pick-up unit of controller control linkage, for whether detecting bolt to be assembled in assembly tooling, tighten program accordingly to start;
Detection of gas flow rate device, described detection of gas flow rate device in order to detect the air flow condition of pneumatic gun, and by air flow condition signal transmission to controller;
Wherein, after in bolts assemblies frock to be assembled, position switch pick-up unit sends signal to controller, and controller starts tightens program accordingly; After pneumatic gun has often made a rifle, compression gas flow signal can be changed into the normal ON signal of switch or normally closed signal by the switching signal on detection of gas flow rate device, then controller is transferred to, with the involutory lattice rifle of Time Controller time counting, and calculated qualified rifle is compared with the rifle be set in advance in controller, when setting rifle and expiring, system sends a qualified signal, unclamps chain frock; When not reaching setting rifle, frock can not be taken off, described position switch pick-up unit is optoelectronic switch, described detection of gas flow rate device comprises air flow chamber, blade, rotating shaft and switching signal, and air flow chamber is provided with admission piece and outlet nozzle, is connected on the tracheae of described pneumatic gun by described admission piece and outlet nozzle by air flow chamber, described blade is placed in described air flow chamber, blade is connected with switching signal by described rotating shaft, and described controller is PLC, and described controller is connected with warning device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410735013.3A CN104483888B (en) | 2014-12-08 | 2014-12-08 | Mistake-proofing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410735013.3A CN104483888B (en) | 2014-12-08 | 2014-12-08 | Mistake-proofing system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104483888A true CN104483888A (en) | 2015-04-01 |
| CN104483888B CN104483888B (en) | 2017-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410735013.3A Active CN104483888B (en) | 2014-12-08 | 2014-12-08 | Mistake-proofing system |
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| CN (1) | CN104483888B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109649535A (en) * | 2018-12-18 | 2019-04-19 | 广汽丰田汽车有限公司 | A kind of vehicle general assembly mechanism and vehicle |
| CN113400237A (en) * | 2021-07-19 | 2021-09-17 | 南昌博格技术有限公司 | Error-proof electric screwdriver, controller and computer screwing system |
| CN113770961A (en) * | 2021-09-22 | 2021-12-10 | 上海优拜机械股份有限公司 | Wireless torque wrench confirmation method, system, device and storage medium |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009115889A1 (en) * | 2008-03-18 | 2009-09-24 | Atlas Copco Blm S.R.L. | Electronic torque wrench with replaceable torque sensors |
| CN201394810Y (en) * | 2009-04-02 | 2010-02-03 | 启赛电子(北京)有限公司 | Device for intelligently controlling leak prevention of screw assembly |
| KR20100005961U (en) * | 2008-12-03 | 2010-06-11 | 주식회사 에스에프에이 | High speed nut runner |
| CN201597001U (en) * | 2009-12-09 | 2010-10-06 | 佛吉亚(武汉)汽车座椅有限公司 | Screw tightening mistake proofing system |
| CN101898339A (en) * | 2009-05-26 | 2010-12-01 | 海洋王照明科技股份有限公司 | Counting alarm electric screw driver |
| CN102520659A (en) * | 2011-12-13 | 2012-06-27 | 广州信邦汽车装备制造有限公司 | Self-learning leakproof assembling method |
| CN102672457A (en) * | 2012-06-05 | 2012-09-19 | 震宇（芜湖）实业有限公司 | Part assembling tool with misloading prevention function and process method for assembling parts by using assembling tool |
| CN202527923U (en) * | 2012-05-04 | 2012-11-14 | 东莞市每通电子科技有限公司 | Intelligent control screw assembly missing-screw-preventing device |
| CN202639813U (en) * | 2012-06-28 | 2013-01-02 | 德尔福电子(苏州)有限公司 | Universal type screw assembling device |
| CN202916622U (en) * | 2012-07-30 | 2013-05-01 | 广州市旭昇电子有限公司 | Intelligent lock-driving electric screwdriver control device |
-
2014
- 2014-12-08 CN CN201410735013.3A patent/CN104483888B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009115889A1 (en) * | 2008-03-18 | 2009-09-24 | Atlas Copco Blm S.R.L. | Electronic torque wrench with replaceable torque sensors |
| KR20100005961U (en) * | 2008-12-03 | 2010-06-11 | 주식회사 에스에프에이 | High speed nut runner |
| CN201394810Y (en) * | 2009-04-02 | 2010-02-03 | 启赛电子(北京)有限公司 | Device for intelligently controlling leak prevention of screw assembly |
| CN101898339A (en) * | 2009-05-26 | 2010-12-01 | 海洋王照明科技股份有限公司 | Counting alarm electric screw driver |
| CN201597001U (en) * | 2009-12-09 | 2010-10-06 | 佛吉亚(武汉)汽车座椅有限公司 | Screw tightening mistake proofing system |
| CN102520659A (en) * | 2011-12-13 | 2012-06-27 | 广州信邦汽车装备制造有限公司 | Self-learning leakproof assembling method |
| CN202527923U (en) * | 2012-05-04 | 2012-11-14 | 东莞市每通电子科技有限公司 | Intelligent control screw assembly missing-screw-preventing device |
| CN102672457A (en) * | 2012-06-05 | 2012-09-19 | 震宇（芜湖）实业有限公司 | Part assembling tool with misloading prevention function and process method for assembling parts by using assembling tool |
| CN202639813U (en) * | 2012-06-28 | 2013-01-02 | 德尔福电子(苏州)有限公司 | Universal type screw assembling device |
| CN202916622U (en) * | 2012-07-30 | 2013-05-01 | 广州市旭昇电子有限公司 | Intelligent lock-driving electric screwdriver control device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109649535A (en) * | 2018-12-18 | 2019-04-19 | 广汽丰田汽车有限公司 | A kind of vehicle general assembly mechanism and vehicle |
| CN113400237A (en) * | 2021-07-19 | 2021-09-17 | 南昌博格技术有限公司 | Error-proof electric screwdriver, controller and computer screwing system |
| CN113770961A (en) * | 2021-09-22 | 2021-12-10 | 上海优拜机械股份有限公司 | Wireless torque wrench confirmation method, system, device and storage medium |
| CN113770961B (en) * | 2021-09-22 | 2024-03-12 | 上海优拜机械股份有限公司 | Wireless torque wrench confirmation method, system, device and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104483888B (en) | 2017-04-12 |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 224007 Xiangjiang Road, Yancheng economic and Technological Development Zone, Yancheng City, Jiangsu 36 Patentee after: Jiangsu Yueda Yanfeng Ann Daotuo automotive seat Co. Address before: 224007 Xiangjiang Road, Yancheng economic and Technological Development Zone, Yancheng City, Jiangsu 36 Patentee before: JIANGSU YUEDA YANFENG JIANGSEN AUTOMOTIVE SEATS CO., LTD. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 224007 Xiangjiang Road, Yancheng economic and Technological Development Zone, Yancheng City, Jiangsu 36 Patentee after: Jiangsu Yueda Yanfeng Auto Parts Co.,Ltd. Address before: 224007 Xiangjiang Road, Yancheng economic and Technological Development Zone, Yancheng City, Jiangsu 36 Patentee before: JIANGSU YUEDA YANFENG ADIENT SEATING CO.,LTD. |
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| CP01 | Change in the name or title of a patent holder |