CN102789228B - Detection device for mechanical cam controller - Google Patents
Detection device for mechanical cam controller Download PDFInfo
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- CN102789228B CN102789228B CN201210277864.9A CN201210277864A CN102789228B CN 102789228 B CN102789228 B CN 102789228B CN 201210277864 A CN201210277864 A CN 201210277864A CN 102789228 B CN102789228 B CN 102789228B
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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 performance and the durability test of the 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 plant equipment electric control system, mainly realizes the control of device travel and crankshaft angles.Mechanical type cam controller is used widely in plant equipment, in enterprise's manufacture and assembling process, mechanical type cam controller is installed can not be definitely accurately, and when work stand under load, cam may produce relativity shift, and the elastic deformation of support and miscellaneous part brings impact also can to the collection of electric signal.
In order to guarantee design performance and the quality of production of mechanical type cam controller, must the mechanical type cam controller of producing comprehensively be tested and be detected, 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 needs of mechanical industry fast development, also has certain blank aspect the detection technique of mechanical type cam controller, does not particularly also form test and the detection system of standard.In view of this, pick-up unit and the detection method thereof of a set of perfect mechanical type cam controller, just become a kind of urgent demand on present market.
Summary of the invention
The problems referred to above in detecting for current mechanical type cam controller, applicant is through Improvement, now provide a kind of test parameter that completes to process and record, integrate the functions such as check, monitoring, correction, there is test result accuracy, intuitive, can quantize, volume is little, the mechanical type cam controller pick-up unit of efficiency high.
Technical scheme of the present invention is as follows:
A 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; Mechanical type cam controller is fixed on 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 form kinematic pair; Code-disc edge is enclosed within one end of the camshaft of mechanical type cam controller, and angle, code-disc outer ring tooth embeds motion monitoring signal generator, and motion monitoring signal generator is fixed on basic platform by support; Driving mechanism is fixed on basic platform by ring flange, and driving mechanism has one end of the mechanical type cam controller of code-disc to be connected by shaft coupling with cover; Scrambler is by regulating support to be fixed on basic platform, and scrambler is connected by shaft coupling with the other end of the camshaft of mechanical type cam controller; Driving mechanism, mechanical type cam controller and scrambler are on same axis.
Its further technical scheme is: described driving mechanism is connected by positive coupling with mechanical type cam controller; Described scrambler is connected by flexible clutch with mechanical type cam controller.
Its further technical scheme is: described scrambler is incremental optical-electricity encoder.
Its further technical scheme is: described motion monitoring signal generator, photoelectric signal receiver, switch contact and scrambler are connected with control system by transmission line respectively, and described control system connects key circuit and the display system for showing test results for key-press input.
Its further technical scheme is: bent axle status information the input control system of described motion monitoring signal generator collection machinery formula cam controller; Cam set position of the switch information the input control system of described photoelectric signal receiver collection machinery formula cam controller; Described switch contact is by switch folding signal input control system; Angular velocity of crankshaft information the input control system of described scrambler collection machinery formula cam controller.
And its further technical scheme is: described 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 is inputted by described 5V power input interface, through 5V～3.3V conversion chip, is converted to 3.3V voltage, for whole circuit provides power supply; STM main control chip inside has for the control program detecting; Liquid crystal display backlight control chip is for controlling 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 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; JLINK debugging interface is for the debugging of STM main control chip control program; LCD display interface arrives external display system for the data transmission that STM main control chip is sent; Incremental optical-electricity encoder interface is for collecting crankshaft angular velocity and realize coding; Serial line interface is for preservation and printing to computer or peripheral hardware transmission data and realization detection data; Detection signal interface is used for gathering switching information and cam set positional information, and is transferred to STM main control chip and completes data processing.
Useful technique effect of the present invention is:
The present invention is applicable to mechanical type cam controller performance and durability test.Accurately, test reaction speed is fast, records visual result, can realize data persistence in test data input of the present invention.Apparatus of the present invention volume is small and exquisite, adopts automatically and controls, and has the advantages that test labour intensity is low, testing efficiency is high.Can realize measuring multiple parameters, and can to data, process in real time, output/print data, can make designer, manufacturer understand in time the quality of testpieces and product in time, 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 to impetus and important realistic meaning.
Accompanying drawing explanation
Fig. 1 is physical construction schematic diagram of the present invention.
Fig. 2 is the plan structure figure of mechanical type cam controller part in Fig. 1.
Fig. 3 is electrical connection schematic diagram of the present invention.
Fig. 4 is detection theory diagram of the present invention.
Fig. 5 is the circuit theory diagrams of control system of the present invention.
Fig. 6 is testing process schematic 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
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further.
As shown in Figure 1, the structure of pick-up unit of the present invention is as follows, and driving mechanism 2 is fixed on basic platform 1 by ring flange 6, by clamping screw, is fixed.Code-disc 3 edge is enclosed within the camshaft 20(camshaft of mechanical type cam controller 9 and sees Fig. 2) one end, code-disc 3 angle, outer ring teeth embed motion monitoring signal generators 4, as its signal generating source.Motion monitoring signal generator 4 is fixed on basic platform 1 by support 5.Scrambler 8 is locked at and regulates on support 7, and by flexible clutch 10(shaft coupling, sees Fig. 3 with the other end of the camshaft of mechanical type cam controller 9) be connected.Regulate support 7 to be fixed on basic platform 1, as required axial adjustment.Driving mechanism 2 has one end of the mechanical type cam controller 9 of code-disc 3 to be connected by positive coupling 10 with cover.Driving mechanism 2 and code-disc 3, mechanical type cam controller 9, scrambler 8 are on same axis.
As shown in Figure 2, mechanical type cam controller 9 is fixed on basic platform 1 by clamping screw and support 17.In 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, forms kinematic pair.
As shown in Figure 3, driving mechanism 2, mechanical type cam controller 9 and scrambler 8 these three parts are connected successively by shaft coupling 10, and on same axis.The input shaft of the power output shaft 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 connected by shaft coupling 10 is flexible.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 by transmission line 11 with switch contact 18, scrambler 8, key circuit 14 and the display system 12 for showing test results that control system 13 connects for key-press input.
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 simulated condition running according to certain angular velocity, by driving mechanism 2, by shaft coupling 10, drives measured device mechanical type cam controller 9 and scrambler 8 rotations.The scrambler 8 of the present embodiment adopts incremental optical-electricity encoder to make angular transducer, and scrambler 8 is scaled angular velocity of crankshaft information by the crankshaft angles information collecting, and sends into control system 13.Meanwhile, motion monitoring signal generator 4 collecting crankshaft status signals, for example crankshaft vibrations signal, plays a protective role.After switch powers on, photoelectrical position sensor 16 gathers the position of the switch of cam set 19, is sent to photoelectric signal receiver 15, by photoelectric signal receiver 15, position of the switch information is sent to control system 13.Switch contact 18 sends to control system 13 by the switch folding signal that powers on.Above-mentioned measured signal is through transmission line 11 input control systems 13.Control system 13 is by internal calculation system, and processing signals, reaches test purpose.
As shown in Figure 4, by scrambler 8, the crankshaft angles signal collecting is converted to angular velocity of crankshaft signal, delivers to the STM main control chip in control system 13.The STM main control chip in control system 13 is delivered in the measured signals such as folding signal, cam set switch position signal that the switch collecting powered on by I/O interface circuit, by STM main control chip, the signal collecting is processed and feedback test parameter.Operator can monitor tested mechanical type cam controller switch folding angle and electric life number of times by key circuit and display system, particularly detect the repeatable accuracy of cam set, folding angle, power circuit provides required voltage to mechanical type cam controller and motor.If needed, STM main control chip can be controlled peripheral hardware and print detection data, thereby according to existing plan, completes the detection of mechanical type cam controller.
The annexation of the hardware circuit of control system of the present invention as shown in Figure 5, only using realize mechanical type cam controller 8 road signals Performance Detection as embodiment.In Fig. 5, P2 is 5V power input interface, through chip U1, is converted to 3.3V voltage, for whole circuit provides power supply, STM main control chip is U2, has for the control program detecting in chip, U3 controls 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 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 disconnects, optocoupler output terminal IN0～IN13 is moved to high level on resistance, when XIN0～XIN13 pin input high level, and NMOS conducting, optocoupler is started working, IN0～IN13 output low level, P1 is JLINK debugging interface, debugging for STM main control chip control program, LCD display interface is P3, the data transmission that STM chip is sent is to display system (external), P4 is incremental optical-electricity encoder interface, for gathering the angular velocity of crankshaft of driving mechanism and realizing coding, P5 is serial line interface, for transmitting data to computer or peripheral hardware, as needs can be realized preservation and the printing that detects data, P6～P8 is detection signal interface, the cam that connects detected device, switch, You Yi road is public high level, gather switching information data, cam set position signalling, be transferred to STM main control chip and complete data processing, can realize repeatable accuracy, the measuring abilities such as electric life.
Groundwork flow process of the present invention as shown in Figure 6, can realize control algolithm, can complete the testing requirement of all parameters of the present invention.
Above-described is only the preferred embodiment of the present invention, the invention is not restricted to above embodiment.Be appreciated that the oher improvements and changes that those skilled in the art directly derive or associate without departing from the spirit and concept in the present invention, within all should thinking and being included in 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 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) forms kinematic pair with a switch contact (18);
Code-disc (3) edge is enclosed within one 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 basic platform (1) by support (5); It is upper that driving mechanism (2) is fixed on basic platform (1) by ring flange (6), and driving mechanism (2) has one end of the mechanical type cam controller (9) of code-disc (3) to be connected by shaft coupling (10) with cover; Scrambler (8) is upper by regulating support (7) to be fixed on basic platform (1), and scrambler (8) is connected by 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 same axis.
2. mechanical type cam controller pick-up unit according to claim 1, is characterized in that: described driving mechanism (2) is connected by positive coupling with mechanical type cam controller (9); Described scrambler (8) is connected by flexible clutch with mechanical type cam controller (9).
3. mechanical type cam controller pick-up unit according to claim 1, is characterized in that: described scrambler (8) is incremental optical-electricity encoder.
4. mechanical type cam controller pick-up unit according to claim 1, it is characterized in that: described motion monitoring signal generator (4), photoelectric signal receiver (15), switch contact (18) and scrambler (8) are connected with control system (13) by transmission line (11) respectively, described control system (13) connects key circuit (14) and the display system (12) for showing test results for key-press input.
5. mechanical type cam controller pick-up unit according to claim 4, is characterized in that: the bent axle status information of described motion monitoring signal generator (4) collection machinery formula cam controller (9) input control system (13); The cam set position of the switch information of described photoelectric signal receiver (15) collection machinery formula cam controller (9) input control system (13); Described switch contact (18) is by switch folding signal input control system (13); The angular velocity of crankshaft information of described scrambler (8) collection machinery formula cam controller (9) input control system (13).
6. according to mechanical type cam controller pick-up unit described in claim 4 or 5, it is characterized in that the particular circuit configurations of described control system (13) is as follows:
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, by described 5V power input interface (P2) input, is converted to 3.3V voltage through 5V～3.3V conversion chip (U1), for whole circuit provides power supply; STM main control chip (U2) inside has for the control program detecting; Liquid crystal display backlight control chip (U3) is for controlling the backlight of external display system liquid crystal display; Photoelectric coupled circuit (U4～U17) is used for isolating various undesired signals, and the opposite side of photoelectric coupled circuit (U4～U17) adds 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; JLINK debugging interface (P1) is for the debugging of STM main control chip (U2) control program; LCD display interface (P3) arrives external display system for the data transmission that STM main control chip (U2) is sent; Incremental optical-electricity encoder interface (P4) is for collecting crankshaft angular velocity and realize coding; Serial line interface (P5) is for preservation and printing to computer or peripheral hardware transmission data and realization detection data; Detection signal interface (P6～P8) is for gathering switching information and cam set positional information, and is transferred to STM main control chip (U2) and completes 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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| 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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| CN102789228B true CN102789228B (en) | 2014-08-13 |
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Families Citing this family (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 |
| US10102992B2 (en) * | 2014-02-25 | 2018-10-16 | Infineon Technologies Ag | Switching apparatus, switching system and switching method |
| CN106679599A (en) * | 2016-12-02 | 2017-05-17 | 长春工程学院 | Hydroelectric set axis measurement device |
| CN112616248B (en) * | 2020-11-27 | 2022-01-14 | 深圳市安普旭电子科技有限公司 | A subassembly for die-casting curved surface base plate |
| CN113433888B (en) * | 2021-05-22 | 2022-05-10 | 天津中鼎泰克冶金设备有限公司 | Cam controller |
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| CN100443293C (en) * | 2006-08-16 | 2008-12-17 | 南京埃斯顿数字技术有限公司 | Mechanical pressure machine electronic control method and electronic cam control device |
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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. |
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