CN102789228A - Detection device for mechanical cam controller - Google Patents
Detection device for mechanical cam controller Download PDFInfo
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- CN102789228A CN102789228A CN2012102778649A CN201210277864A CN102789228A CN 102789228 A CN102789228 A CN 102789228A CN 2012102778649 A CN2012102778649 A CN 2012102778649A CN 201210277864 A CN201210277864 A CN 201210277864A CN 102789228 A CN102789228 A CN 102789228A
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Abstract
The invention discloses a detection device for a mechanical cam controller; a driving mechanism is used for driving the mechanical cam controller and an encoder to rotate by a coupler; the encoder is used for sending the acquired crankshaft angular velocity information into a control system; a movement monitoring signal generator is used for acquiring crankshaft status signals and sending the signals into the control system; a photoelectric position sensor is used for acquiring the switch position of a cam group and sending the switch position into the control system by a photoelectric signal receiver; and a switch contact is used for sending a switch power-on opening and closing signal into the control system. The control system can be used for processing the signals by an internal computing system, so that the test aim can be achieved. The detection device is suitable for testing the performances and the service life of the mechanical cam controller, can realize multi-parameter measurement, especially the measurement for repeatability precision, and has the characteristics of being accurate in test results, visual, quantitative, small in size and high in efficiency.
Description
Technical field
The present invention relates to the checkout equipment technical field of cam controller, particularly a kind of mechanical type cam controller pick-up unit is widely used in the performance and the durability test of industry mechanical type cam controllers such as forging machine tool, textile machine, packing.
Background technology
Cam controller is the most frequently used a kind of functional accessory in the industries such as lathe, weaving, packing, is one of most important core control part in the plant equipment electric control system, mainly realizes the control of device travel and crankshaft angles.The mechanical type cam controller is used widely on plant equipment; In enterprise's manufacturing and assembling process; The mechanical type cam controller is installed can not be accurately absolute; And when the work stand under load, cam may produce relativity shift, and the elastic deformation of support and miscellaneous part brings influence also can for the collection of electric signal.
For the design performance and the quality of production that guarantees the mechanical type cam controller, must comprehensively test and detect the mechanical type cam controller of producing, sensing range mainly comprises: repeatable accuracy, folding angle, electric life, rotating speed etc.At present, the technology that mechanical type cam controller product is detected far can not adapt to the fast-developing needs of mechanical industry, also has certain blank aspect the detection technique of mechanical type cam controller, does not particularly also form the test and the detection architecture of standard.In view of this, the pick-up unit and the detection method thereof of the mechanical type cam controller that a cover is perfect just become a kind of urgent demand on the present market.
Summary of the invention
To the problems referred to above in the present mechanical type cam controller detection; The applicant improves through research; Provide a kind of test parameter of accomplishing to handle and record at present; Integrate functions such as check, monitoring, correction, have test result accuracy, intuitive, can quantize, the mechanical type cam controller pick-up unit of characteristics such as volume is little, efficient height.
Technical scheme of the present invention is following:
A kind of mechanical type cam controller pick-up unit comprises basic platform, driving mechanism, code-disc, motion monitoring signal generator, support, ring flange, adjusting support, scrambler, mechanical type cam controller, shaft coupling, photoelectric signal receiver, photoelectrical position sensor, clamping screw and support; The mechanical type cam controller is fixed on the basic platform by clamping screw and support; Photoelectric signal receiver is fixed on the bearing seat of mechanical type cam controller; Photoelectrical position sensor is fixed on the base of mechanical type cam controller, and each photoelectrical position sensor is aimed at a cam set of mechanical type cam controller; Each cam set and a switch contact constitute kinematic pair; The code-disc edge is enclosed within an end of the camshaft of mechanical type cam controller, and angle, code-disc outer ring tooth embeds the motion monitoring signal generator, and the motion monitoring signal generator is fixed on the basic platform by support; Driving mechanism is fixed on the basic platform by ring flange, and driving mechanism is connected through shaft coupling with an end of the mechanical type cam controller that is with code-disc; Scrambler is fixed on the basic platform by regulating support, and scrambler is connected through shaft coupling with the other end of the camshaft of mechanical type cam controller; Driving mechanism, mechanical type cam controller and scrambler are on the same axis.
Its further technical scheme is: said driving mechanism is connected by positive coupling with the mechanical type cam controller; Said scrambler is connected by flexible clutch with the mechanical type cam controller.
Its further technical scheme is: said scrambler is an incremental optical-electricity encoder.
Its further technical scheme is: said motion monitoring signal generator, photoelectric signal receiver, switch contact and scrambler are connected with control system through transmission line respectively, and said control system connects key circuit that is used for the button input and the display system that is used to show test results.
Its further technical scheme is: said motion monitoring signal generator is gathered the bent axle status information and the input control system of mechanical type cam controller; Said photoelectric signal receiver is gathered the cam set position of the switch information and the input control system of mechanical type cam controller; Said switch contact is with switch folding signal input control system; Said scrambler is gathered the angular velocity of crankshaft information and the input control system of mechanical type cam controller.
And its further technical scheme is: said control system comprises 5V～3.3V conversion chip, STM main control chip, liquid crystal display backlight control chip, photoelectric coupled circuit, JLINK debugging interface, 5V power input interface, LCD display interface, incremental optical-electricity encoder interface, serial line interface and detection signal interface; 5V voltage converts 3.3V voltage into through 5V～3.3V conversion chip, for entire circuit provides power supply through said 5V power input interface input; STM main control chip inside has to the control program that detects; Liquid crystal display backlight control chip is used to control the backlight of external display system liquid crystal display; Photoelectric coupled circuit is used for isolating various undesired signals, and the opposite side of photoelectric coupled circuit adds the 12V external power supply, for the tested mechanical type cam controller in outside provides independent power supply, and separates with inner 3.3V power supply; The JLINK debugging interface is used for the debugging of STM main control chip control program; The data transmission that the LCD display interface is used for the STM main control chip is seen off is to external display system; The incremental optical-electricity encoder interface is used for collecting crankshaft angular velocity and realizes coding; Serial line interface is used for preservation and the printing to computer or peripheral hardware transmission data and realization detection data; The detection signal interface is used to gather switching information and cam set positional information, and is transferred to STM main control chip completion data processing.
Useful technique effect of the present invention is:
The present invention is applicable to mechanical type cam controller performance and durability test.Test data of the present invention input accurately, test reaction speed is fast, the record visual result can realize that data forever preserve.Apparatus of the present invention advantages of small volume adopts control automatically, has the test characteristics that labour intensity is low, testing efficiency is high.Can realize measuring multiple parameters, and can handle data in real time that in time output/print data can make designer, manufacturer in time understand the quality of testpieces and product, has particularly realized the measurement of repeatable accuracy.The present invention has filled up the technological gap of mechanical type cam controller pick-up unit, and the technical progress of China's mechanical industry functional accessory is had impetus and important realistic meaning.
Description of drawings
Fig. 1 is a physical construction synoptic diagram of the present invention.
Fig. 2 is the plan structure figure of mechanical type cam controller part among Fig. 1.
Fig. 3 is an electrical connection synoptic diagram of the present invention.
Fig. 4 is a detection theory diagram of the present invention.
Fig. 5 is the circuit theory diagrams of control system of the present invention.
Fig. 6 is a testing process synoptic diagram of the present invention.
Description of reference numerals: 1, basic platform; 2, driving mechanism; 3, code-disc; 4, motion monitoring signal generator; 5, support; 6, ring flange; 7, regulate support; 8, scrambler; 9, mechanical type cam controller; 10, shaft coupling; 11, transmission line; 12, display system; 13, control system; 14, key circuit; 15, photoelectric signal receiver; 16, photoelectrical position sensor; 17, clamping screw and support; 18, switch contact; 19, cam set; 20, camshaft; 21, bearing seat.
Embodiment
Further specify below in conjunction with the accompanying drawing specific embodiments of the invention.
As shown in Figure 1, the structure of pick-up unit of the present invention is following, and driving mechanism 2 is fixed on the basic platform 1 by ring flange 6, is fixed by clamping screw.Code-disc 3 edges are enclosed within an end of the camshaft 20 (camshaft is seen Fig. 2) of mechanical type cam controller 9, and angle, code-disc 3 outer ring tooth embeds motion monitoring signal generator 4, as its signal generating source.Motion monitoring signal generator 4 is fixed on the basic platform 1 by support 5.Scrambler 8 is locked to be regulated on the support 7, and is connected through flexible clutch 10 (shaft coupling is seen Fig. 3) with the other end of the camshaft of mechanical type cam controller 9.Regulate support 7 and be fixed on the basic platform 1, as required axial adjustment.Driving mechanism 2 is connected through positive coupling 10 with an end of the mechanical type cam controller 9 that is with code-disc 3.Driving mechanism 2 is on the same axis with code-disc 3, mechanical type cam controller 9, scrambler 8.
As shown in Figure 2, mechanical type cam controller 9 is fixed on the basic platform 1 by clamping screw and support 17.In the testing process, photoelectric signal receiver 15 is fixed on the bearing seat 21 of mechanical type cam controller 9; Photoelectrical position sensor 16 is fixed on the base 22 of mechanical type cam controller 9.Each photoelectrical position sensor 16 is aimed at a cam set 19.Switch contact 18 is corresponding one by one with cam set 19, constitutes kinematic pair.
As shown in Figure 3, driving mechanism 2, mechanical type cam controller 9 and scrambler 8 these three parts are linked by shaft coupling 10 successively, and are on the same axis.The input shaft of the PTO of driving mechanism 2 and mechanical type cam controller 9 is rigidly connected by shaft coupling 10, and the input shaft of the output shaft of mechanical type cam controller 9 and scrambler 8 is by 10 flexible linking to each other of shaft coupling.The photoelectric signal receiver 15 at the motion monitoring signal generator 4 at driving mechanism 2 places, mechanical type cam controller 9 places is connected with control system 13 through transmission line 11 with switch contact 18, scrambler 8, and control system 13 connects key circuit 14 that is used for the button input and the display system 12 that is used to show test results.
In conjunction with Fig. 3, Fig. 4, the principle of work that detects test is described.As shown in Figure 3, after driving mechanism 2 energisings, driving mechanism 2 carries out the simulated condition running according to certain angular velocity, drives measured device mechanical type cam controller 9 and scrambler 8 rotations by driving mechanism 2 through shaft coupling 10.The scrambler 8 of present embodiment adopts incremental optical-electricity encoder to make angular transducer, and scrambler 8 is scaled angular velocity of crankshaft information with the crankshaft angles information that collects, and sends into control system 13.Simultaneously, motion monitoring signal generator 4 collecting crankshaft status signals, for example the crankshaft vibrations signal plays a protective role.After switch powered on, photoelectrical position sensor 16 was gathered the position of the switch of cam set 19, is sent to photoelectric signal receiver 15, through photoelectric signal receiver 15 position of the switch information is sent to control system 13.Switch contact 18 sends to control system 13 with the switch folding signal that powers on.Above-mentioned measured signal is through transmission line 11 input control systems 13.Control system 13 is through the internal calculation system, and processing signals reaches test purpose.
As shown in Figure 4, be the angular velocity of crankshaft signal by scrambler 8 with the crankshaft angles conversion of signals that collects, deliver to the STM main control chip in the control system 13.Deliver to the STM main control chip in the control system 13 by the switch that collects the is powered on measured signals such as folding signal, cam set switch position signal of I/O interface circuit, the signal that collects is handled and the feedback test parameter by the STM main control chip.The operator can monitor tested mechanical type cam controller switch folding angle and electric life number of times through key circuit and display system; Particularly detect the repeatable accuracy of cam set, folding angle, power circuit provides required voltage for mechanical type cam controller and motor.If desired, STM main control chip may command peripheral hardware is printed and is detected data, thereby accomplishes the detection of mechanical type cam controller according to existing plan.
The annexation of the hardware circuit of control system of the present invention is as shown in Figure 5, only with the Performance Detection that realizes mechanical type cam controller 8 road signals as embodiment.Among Fig. 5, P2 is the 5V power input interface, converts 3.3V voltage into through chip U1, for entire circuit provides power supply; The STM main control chip is U2, has in the chip to the control program that detects; U3 is a control liquid crystal display chip backlight; U4～U17 is photoelectric coupled circuit, is used for isolating various undesired signals, and the opposite side of photoelectric coupled circuit adds the 12V external power supply; Be for the tested cam controller device in outside provides independent power supply, and separate with inner 3.3V power supply; Q2～Q15 is NMOS pipe, and when XIN0～XIN13 pin input low level, NMOS breaks off; Optocoupler output terminal IN0～IN13 is moved to high level on the resistance, when XIN0～XIN13 pin input high level, and the NMOS conducting; Optocoupler is started working, IN0～IN13 output low level; P1 is the JLINK debugging interface, is used for the debugging of STM main control chip control program, and the LCD display interface is P3; The data transmission that the STM chip is seen off is to display system (external), and P4 is the incremental optical-electricity encoder interface, is used to gather the angular velocity of crankshaft of driving mechanism and realizes coding; P5 is a serial line interface, is used for can realizing detecting the preservation and the printing of data like needs to computer or peripheral hardware transmission data; P6～P8 is the detection signal interface; The cam, the switch that connect device to be detected have one the tunnel to be public high level, gather switching information data, cam set position signalling; Be transferred to the STM main control chip and accomplish data processing, can realize measuring abilities such as repeatable accuracy, electric life.
Groundwork flow process of the present invention is as shown in Figure 6, can realize control algolithm, can accomplish the detection requirement of all parameters of the present invention.
Above-described only is preferred implementation of the present invention, the invention is not restricted to above embodiment.Be appreciated that other improvement and variation that those skilled in the art directly derive or associate under the prerequisite that does not break away from spirit of the present invention and design, all should think to be included within protection scope of the present invention.
Claims (6)
1. a mechanical type cam controller pick-up unit is characterized in that: comprise basic platform (1), driving mechanism (2), code-disc (3), motion monitoring signal generator (4), support (5), ring flange (6), regulate support (7), scrambler (8), mechanical type cam controller (9), shaft coupling (10), photoelectric signal receiver (15), photoelectrical position sensor (16), clamping screw and support (17);
Mechanical type cam controller (9) is fixed on the basic platform (1) by clamping screw and support (17); Photoelectric signal receiver (15) is fixed on the bearing seat (21) of mechanical type cam controller (9); Photoelectrical position sensor (16) is fixed on the base (22) of mechanical type cam controller (9), and each photoelectrical position sensor (16) is aimed at a cam set (19) of mechanical type cam controller (9); Each cam set (19) constitutes kinematic pair with a switch contact (18);
Code-disc (3) edge is enclosed within an end of the camshaft (20) of mechanical type cam controller (9), and code-disc (3) angle, outer ring tooth embeds motion monitoring signal generator (4), and motion monitoring signal generator (4) is fixed on the basic platform (1) by support (5); Driving mechanism (2) is fixed on the basic platform (1) by ring flange (6), and driving mechanism (2) is connected through shaft coupling (10) with an end of the mechanical type cam controller (9) that is with code-disc (3); Scrambler (8) is fixed on the basic platform (1) by regulating support (7), and scrambler (8) is connected through shaft coupling (10) with the other end of the camshaft (20) of mechanical type cam controller (9); Driving mechanism (2), mechanical type cam controller (9) and scrambler (8) are on the same axis.
2. according to the said mechanical type cam controller of claim 1 pick-up unit, it is characterized in that: said driving mechanism (2) is connected by positive coupling (10) with mechanical type cam controller (9); Said scrambler (8) is connected by flexible clutch (10) with mechanical type cam controller (9).
3. according to the said mechanical type cam controller of claim 1 pick-up unit, it is characterized in that: said scrambler (8) is an incremental optical-electricity encoder.
4. according to the said mechanical type cam controller of claim 1 pick-up unit; It is characterized in that: said motion monitoring signal generator (4), photoelectric signal receiver (15), switch contact (18) and scrambler (8) are connected with control system (13) through transmission line (11) respectively, and said control system (13) connects key circuit (14) that is used for the button input and the display system (12) that is used to show test results.
5. according to the said mechanical type cam controller of claim 4 pick-up unit, it is characterized in that: said motion monitoring signal generator (4) is gathered the bent axle status information and the input control system (13) of mechanical type cam controller (9); Said photoelectric signal receiver (15) is gathered the cam set position of the switch information and the input control system (13) of mechanical type cam controller (9); Said switch contact (18) is with switch folding signal input control system (13); Said scrambler (8) is gathered the angular velocity of crankshaft information and the input control system (13) of mechanical type cam controller (9).
6. according to claim 4 or 5 said mechanical type cam controller pick-up units, it is characterized in that the particular circuit configurations of said control system (13) is following:
Comprise 5V～3.3V conversion chip (U1), STM main control chip (U2), liquid crystal display backlight control chip (U3), photoelectric coupled circuit (U4～U17), JLINK debugging interface (P1), 5V power input interface (P2), LCD display interface (P3), incremental optical-electricity encoder interface (P4), serial line interface (P5) and detection signal interface (P6～P8);
5V voltage converts 3.3V voltage into through 5V～3.3V conversion chip (U1), for entire circuit provides power supply through said 5V power input interface (P2) input; STM main control chip (U2) inside has to the control program that detects; Liquid crystal display backlight control chip (U3) is used to control the backlight of external display system liquid crystal display; (U4～U17) is used for isolating various undesired signals to photoelectric coupled circuit, and (opposite side of U4～U17) adds the 12V external power supply to photoelectric coupled circuit, for the tested mechanical type cam controller in outside provides independent power supply, and separates with inner 3.3V power supply; JLINK debugging interface (P1) is used for the debugging of STM main control chip (U2) control program; The data transmission that LCD display interface (P3) is used for STM main control chip (U2) is seen off is to external display system; Incremental optical-electricity encoder interface (P4) is used for collecting crankshaft angular velocity and realizes coding; Serial line interface (P5) is used for preservation and the printing to computer or peripheral hardware transmission data and realization detection data; (P6～P8) is used to gather switching information and cam set positional information to the detection signal interface, and is transferred to STM main control chip (U2) and accomplishes data processing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210277864.9A CN102789228B (en) | 2012-08-06 | 2012-08-06 | Detection device for mechanical cam controller |
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| CN201210277864.9A CN102789228B (en) | 2012-08-06 | 2012-08-06 | Detection device for mechanical cam controller |
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| CN102789228B CN102789228B (en) | 2014-08-13 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103105847A (en) * | 2012-12-28 | 2013-05-15 | 无锡市拓发自控设备有限公司 | Testing device for cam controller |
| CN104863732A (en) * | 2014-02-25 | 2015-08-26 | 英飞凌科技股份有限公司 | Switching apparatus, switching systemand switching method |
| CN106679599A (en) * | 2016-12-02 | 2017-05-17 | 长春工程学院 | Hydroelectric set axis measurement device |
| CN112616248A (en) * | 2020-11-27 | 2021-04-06 | 温州樱西机械科技有限公司 | A subassembly for die-casting curved surface base plate |
| CN113433888A (en) * | 2021-05-22 | 2021-09-24 | 天津中鼎泰克冶金设备有限公司 | Cam controller |
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| CN113433888A (en) * | 2021-05-22 | 2021-09-24 | 天津中鼎泰克冶金设备有限公司 | Cam controller |
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Effective date of registration: 20161013 Address after: 9, building 999, building A1, No. 214000 East high wave road, Binhu District, Wuxi, Jiangsu Patentee after: Jiangsu blue creative intelligent Polytron Technologies Inc Address before: 214121 Wuxi province Binhu District University City high wave West Road, No. 1600, No. Patentee before: Wuxi Institute of Technology |
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Address after: 214122 1-5 / F, building 8, 2018 Lihu Avenue, Wuxi City, Jiangsu Province Patentee after: JIANGSU LANCHUANG INTELLIGENT TECHNOLOGY Co.,Ltd. Address before: 214000 9th floor, building A1, No.999, gaolang East Road, Binhu District, Wuxi City, Jiangsu Province Patentee before: JIANGSU LANCHUANG INTELLIGENT TECHNOLOGY Co.,Ltd. |