CN103034168A - Motion control structure of electronic pattern machine - Google Patents
Motion control structure of electronic pattern machine Download PDFInfo
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- CN103034168A CN103034168A CN2012105320539A CN201210532053A CN103034168A CN 103034168 A CN103034168 A CN 103034168A CN 2012105320539 A CN2012105320539 A CN 2012105320539A CN 201210532053 A CN201210532053 A CN 201210532053A CN 103034168 A CN103034168 A CN 103034168A
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Abstract
The invention provides a motion control structure of an electronic pattern machine. The motion control structure of the electronic pattern machine comprises a main control panel, a motion control panel, a motor driver, a coder, a motor, a position sensor, an approach switch, a pneumatic control valve and an execution component, and further comprises a complex programmable logic device (CPLD) logical circuit. A, B and Z signals output by the coder serve as input information of the CPLD logical circuit, the CPLD logical circuit uses the Z signals as a relative zero position of a main axis to count the number of A phase or B phase pulses, and generates three key interrupt signals including zero position pulse Z interrupt signals, fabric-input point interrupt signals and fabric-output interrupt signals, according to the numbers of pulses corresponding to a set fabric-input point and a set fabric-output point, the three key interrupt signals are input into the main control panel to participate in real-time control. According to the motion control structure of the electronic pattern machine, on the base of a control structure of an original pattern machine, the CPLD logical circuit is added to complete an interrupt output of key points of the pattern machine, the system completes the sewing function of the pattern machine in a quick response interrupt mode in real time, thus the purpose that timeliness of the system is improved is achieved, and then the whole performance of the pattern machine is improved.
Description
Technical field
The present invention relates to intelligent stitching process field, be specially a kind of electro-pattern-sewing machine motion control structure.
Background technology
Electro-pattern-sewing machine is the industrial sewing machine of three axle collaborative works, and these three axles are respectively the control main shaft Z that pumps of eedle and the control cloth frame XY axles of motion all around in horizontal plane.Main shaft at the uniform velocity moves reciprocatingly at vertical direction according to the speed of setting in the sewing process: eedle moves to eedle from peak will prick the eedle minimum point of advancing to layout into cloth, again to eedle just left cloth go out to layout, arrive at last peak.Eedle from go out to layout peak again to this process of advancing to layout be the cloth frame according to the time period of the given displacement movement of pattern data, the stop motion of other times XY axle.
Control system is judged the current location of pattern sewing machine main shaft by the real-time coding of reading spindle encoder, at present general inquiry mode is when reading the encoded radio of counter, can there be time-delay to a certain degree in system, and under the different main rotating speed, system delay be can not determine, therefore, this kind mode can not the current present position of precision positioning machine pin, and the pattern sewing machine speed of mainshaft is very limited.
Summary of the invention
The technical matters that solves
The problem that exists for solving prior art the present invention proposes a kind of electro-pattern-sewing machine motion control structure.
Technical scheme
Technical scheme of the present invention is:
Described a kind of electro-pattern-sewing machine motion control structure comprises master control borad, motion control board, motor driver, scrambler, motor, position transducer, approach switch, Pneumatic valve and execution unit; Motion control board obtains the electro-pattern-sewing machine current state according to scrambler, approach switch and position transducer, and the control signal of output motor, Pneumatic valve and execution unit; It is characterized in that: described electro-pattern-sewing machine motion control structure also includes the CPLD logical circuit, A, the B of scrambler output, Z signal are as the input message of CPLD logical circuit, the CPLD logical circuit utilizes the Z signal as the relative zero-bit statistics A of main shaft or the number of B phase pulse, and according to the corresponding pulse number that advances to layout and go out to layout of setting, the CPLD logical circuit produces zero pulse Z, the three kinds of critical interrupt signals that advance to layout, go out to layout, and three kinds of critical interrupt signal input master control borads participate in real time control.
Beneficial effect
The present invention is on the basis of former pattern sewing machine control structure, to realize that quick response to key point is as target, for conditional electronic pattern sewing machine motion control structure shortcoming, increase the interrupt output that the CPLD logical circuit is finished the pattern sewing machine key point at the original system hardware foundation, the mode that system interrupts by quick response is finished the function of making of pattern sewing machine in real time, thereby reach the purpose that improves system real time, and then improve the pattern sewing machine overall performance.
Description of drawings
Fig. 1 tradition pattern sewing machine control structure block diagram;
Fig. 2 pattern sewing machine control synoptic diagram;
Fig. 3 pattern sewing machine control structure of the present invention block diagram.
Embodiment
Below in conjunction with specific embodiment the present invention is described:
With reference to accompanying drawing 1, comprise master control borad, motion control board, motor driver, scrambler, motor, position transducer, approach switch, Pneumatic valve and execution unit in the pattern sewing machine control structure.Control structure is judged current state according to position and the state of scrambler and sensor, moves thereby export various signal driver execution units, finishes style and draws.Motion control board is the motion control core of control system, and it is responsible for the control signal of the action command of mainboard " translation " for motor, air valve etc., the drafting action of completion system.
Tradition pattern sewing machine motion control method is to utilize the scrambler of spindle servo electric machine as the position foundation, and control system is judged motor position according to it, controls simultaneously motor movement.Scrambler has the signals such as A, B, Z because A, B two-phase differ 90 degree, can be by A relatively at front or B front, the forward and reverse with the differentiation scrambler by zero pulse Z, can obtain the zero-bit reference bit of scrambler.After motor was in place, its zero pulse was just determined the position, and control system arranges the pulse value that advances to layout, go out to layout according to the scrambler method to set up as benchmark.When drawing style, control system is counted pulse A or the B of scrambler output, pulse number reaches when layouting umber of pulse, the stepper motor stop motion, treat that pulse number reaches when to layout umber of pulse, stepper motor continues motion, and when detecting zero pulse Z, counter O reset restarts the control of a new circle.
Traditional electro-pattern-sewing machine utilizes the tally function of motion control board that scrambler is counted, and adopt inquiry mode to read the current positional information of scrambler, when scrambler is in when making key point into layout or go out to layout etc., control system is controlled corresponding topworks and is carried out next step the action of making.General pattern sewing machine electric-control system is because effects limit such as costs, the general WinCE system development application program that adopts, this system is not real time operating system, therefore system is from obtaining to make key point (advance to layout, go out to layout etc.) to the course of action of making of controlling topworks and carry out next step, may there be larger uncontrollable time-delay, the existence of this time-delay has restricted the increase of the lifting of pattern sewing machine sewing speed and control degree of stability greatly, therefore how to solve control system to the quick response of key point, just become an importance of pattern sewing machine performance boost.
With reference to accompanying drawing 3, electro-pattern-sewing machine control structure in the present embodiment has increased the CPLD logical circuit on the original structure basis, A, the B of scrambler output, Z signal are as the input message of CPLD logical circuit, the CPLD logical circuit utilizes the Z signal as the relative zero-bit statistics A of main shaft or the number of B phase pulse, and according to the corresponding pulse number that advances to layout and go out to layout of setting, the CPLD logical circuit produces zero pulse Z, the three kinds of critical interrupt signals that advance to layout, go out to layout, and three kinds of critical interrupt signal input master control borads participate in real time control.Main shaft eedle position so just makes system's next step action of energy real-time response with interrupt mode connecting system processor, realizes the precision positioning machine pin.
Claims (1)
1. an electro-pattern-sewing machine motion control structure comprises master control borad, motion control board, motor driver, scrambler, motor, position transducer, approach switch, Pneumatic valve and execution unit; Motion control board obtains the electro-pattern-sewing machine current state according to scrambler, approach switch and position transducer, and the control signal of output motor, Pneumatic valve and execution unit; It is characterized in that: described electro-pattern-sewing machine motion control structure also includes the CPLD logical circuit, A, the B of scrambler output, Z signal are as the input message of CPLD logical circuit, the CPLD logical circuit utilizes the Z signal as the relative zero-bit statistics A of main shaft or the number of B phase pulse, and according to the corresponding pulse number that advances to layout and go out to layout of setting, the CPLD logical circuit produces zero pulse Z, the three kinds of critical interrupt signals that advance to layout, go out to layout, and three kinds of critical interrupt signal input master control borads participate in real time control.
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| CN2012105320539A CN103034168A (en) | 2012-12-11 | 2012-12-11 | Motion control structure of electronic pattern machine |
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| CN2012105320539A CN103034168A (en) | 2012-12-11 | 2012-12-11 | Motion control structure of electronic pattern machine |
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| CN103034168A true CN103034168A (en) | 2013-04-10 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106054793A (en) * | 2016-06-17 | 2016-10-26 | 江南大学 | Pattern progress tracking and controlling device and controlling method for warp knitting machine |
| CN109322065A (en) * | 2018-11-23 | 2019-02-12 | 无锡信捷电气股份有限公司 | Full-automatic sewing machine platform follow-up control device |
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| US6216750B1 (en) * | 1999-05-31 | 2001-04-17 | Staubli Faverges | Weaving loom panel support structure for jacquard selectors |
| CN101012604A (en) * | 2006-12-14 | 2007-08-08 | 中国兵器工业第五八研究所 | Computer control system of industrial sewing machine |
| CN101519831A (en) * | 2008-12-20 | 2009-09-02 | 中国兵器工业第五八研究所 | Method for controlling the motion of computerized pattern sewing machines |
| CN102121175A (en) * | 2010-01-08 | 2011-07-13 | 厦门至工机电有限公司 | Programming control system of pattern sewing machine based on PLC (Programmable Logic Controller) |
| CN102321955A (en) * | 2011-07-21 | 2012-01-18 | 陕西新瑞阳科技有限公司 | Method for controlling high-speed running of direct drive industrial sewing machine |
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2012
- 2012-12-11 CN CN2012105320539A patent/CN103034168A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6216750B1 (en) * | 1999-05-31 | 2001-04-17 | Staubli Faverges | Weaving loom panel support structure for jacquard selectors |
| CN101012604A (en) * | 2006-12-14 | 2007-08-08 | 中国兵器工业第五八研究所 | Computer control system of industrial sewing machine |
| CN101519831A (en) * | 2008-12-20 | 2009-09-02 | 中国兵器工业第五八研究所 | Method for controlling the motion of computerized pattern sewing machines |
| CN102121175A (en) * | 2010-01-08 | 2011-07-13 | 厦门至工机电有限公司 | Programming control system of pattern sewing machine based on PLC (Programmable Logic Controller) |
| CN102321955A (en) * | 2011-07-21 | 2012-01-18 | 陕西新瑞阳科技有限公司 | Method for controlling high-speed running of direct drive industrial sewing machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106054793A (en) * | 2016-06-17 | 2016-10-26 | 江南大学 | Pattern progress tracking and controlling device and controlling method for warp knitting machine |
| CN109322065A (en) * | 2018-11-23 | 2019-02-12 | 无锡信捷电气股份有限公司 | Full-automatic sewing machine platform follow-up control device |
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Application publication date: 20130410 |