CN102517784A - Independent yarn fixed-length detecting system for computerized flat knitting machine and method thereof - Google Patents
Independent yarn fixed-length detecting system for computerized flat knitting machine and method thereof Download PDFInfo
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- CN102517784A CN102517784A CN2011104346626A CN201110434662A CN102517784A CN 102517784 A CN102517784 A CN 102517784A CN 2011104346626 A CN2011104346626 A CN 2011104346626A CN 201110434662 A CN201110434662 A CN 201110434662A CN 102517784 A CN102517784 A CN 102517784A
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Abstract
The invention discloses an independent yarn fixed-length detecting system for a computerized flat knitting machine and a method thereof. The independent yarn fixed-length detecting system comprises a computerized flat knitting machine controller, an independent yarn controller, a yarn feeding motor, a driving yarn feeding device, a high-precision digital-analogue (D/A) conversion module, a tension device, a high-number counting port, a signal conditioning module, a photoelectric encoder and a yarn state monitoring device. The tension device comprises a yarn front locating hole, a right yarn wheel, a right yarn wheel sensor, a yarn tension sensor, yarns, a left yarn wheel, a left yarn wheel sensor, a tension driving device, a tensioning wheel and a yarn rear locating hole. By using the system, the temperature and the humidity in the yarn feeding process are detected, yarn tension is adjusted, yarn feeding speed is judged, whether the yarns slide or not is judged, and various operations in the yarn feeding process are computed independently, thereby improving stability and safety of the system and providing effective guarantee for whole running of the computerized flat knitting machine.
Description
Technical field
The present invention relates to the Computerized flat knitting machine yarn-feeding device, relate in particular to a kind of free-standing yarn fixed length detection system and method thereof that is used for Computerized flat knitting machine.
Background technology
Computerized flat knitting machine is a kind of crosspointer plate latch needles weft knitting loom.Its triangle device is just as one group of plane cam, and the stitch of knitting needle can get in the conduit of cam, moves triangle, forces knitting needle in the needle tray of needle plate, to do elevating movement clocklike, and colludes the action with needle latch through pin, just can yarns be become knitted fabric.Knitting needle is in uphill process, and coil progressively withdraws from pin and colludes, and opens needle latch, and withdraws from needle latch and hang on the shank; Knitting needle is in the decline process, and pin catches on the yarn that new pad is put, and its tractive is bent to coil; Original coil of while is then deviate from pin and is colluded; New coil passes from old coil, is together in series with old coil, and the coil string that numerous knitting needles is made into connects mutually and formed knitted fabric.
Along with development of times, people have proposed increasingly high requirement to the processing stability of Computerized flat knitting machine, and this just requires on the Computerized flat knitting machine yarn can accurately stable supply, also the Computerized flat knitting machine yarn feeder has been proposed higher instructions for use.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, a kind of free-standing yarn fixed length detection system and method thereof that is used for Computerized flat knitting machine is provided.
The free-standing yarn fixed length detection system that is used for Computerized flat knitting machine comprises Computerized flat knitting machine controller, free-standing yarn controller, send the yarn driver, send the yarn motor, initiatively yarn feeder, high-precision D/A modular converter, tensioning apparatus, high counting number mouth, signal condition module, photoelectric encoder, yarn conditions monitoring device; The Computerized flat knitting machine controller links to each other with free-standing yarn controller, and free-standing yarn controller is connected with sending yarn driver, high-precision D/A modular converter, high-speed counting mouth, yarn conditions monitoring device respectively, send the yarn driver to be connected with sending the yarn motor; Send initiatively yarn feeder of yarn motor-driven; High-precision D/A modular converter is connected with tensioning apparatus, and tensioning apparatus is connected with the active yarn feeder, and initiatively yarn feeder is provided with photoelectric encoder; Photoelectric encoder is connected with the signal condition module; And transfer signals to the high-speed counting mouth, and initiatively yarn feeder is provided with the yarn conditions monitoring device outward, and the yarn conditions monitoring device is connected with free-standing yarn controller.
The tensioning apparatus of the free-standing yarn fixed length detection system of Computerized flat knitting machine comprises locating hole behind yarn prelocalization hole, right yarn wheel, right yarn wheel sensor, yarn tension sensor, yarn, left yarn wheel, left yarn wheel sensor, tightening drive, regulating wheel, the yarn; Yarn passes yarn prelocalization hole, and walks around right yarn wheel, regulating wheel, left yarn wheel successively
,Yarn tension sensor, right yarn wheel; Locating hole passes behind the yarn; Right yarn wheel is provided with right yarn wheel sensor; Left side yarn wheel is provided with left yarn wheel sensor, and tightening drive is connected with regulating wheel, and right yarn wheel sensor, left yarn wheel sensor, yarn tension sensor, tightening drive are connected with free-standing yarn controller through high-precision D/A modular converter respectively.
The step of free-standing yarn fixed length detection method that is used for Computerized flat knitting machine is following:
1) in Computerized flat knitting machine, independently send the yarn controller to send signal controlling and send the action of yarn driver, drive and send the yarn motor, drive initiatively yarn feeder, accomplish and send the yarn action;
2) yarn movement touches photoelectric encoder, and the photoelectric encoder signal is with sending the yarn situation to change, and signal is defeated by through the high-speed counting oral instructions and is independently sent the yarn controller after the compiling of high speed conditioning module;
3) the yarn conditions monitoring device installed of yarn end monitor yarn humidity, temperature in real time, information such as whether break, and be transferred to and independently send the yarn controller, adjust the yarn speed of sending;
Whether 4) tensioning apparatus is through right yarn wheel sensor and left yarn wheel sensor, monitor right yarn wheel and left yarn wheel and turn round synchronously, signal is transferred to independently send the yarn controller, feeds back to and send the yarn driver;
5) yarn tension sensor detects yarn transmission tension force in the yarn-feeding process in the tensioning apparatus, feeds back to and independently send the yarn controller, and the control tightening drive drives the regulating wheel motion, the real-time regulated yarn tension.
The present invention compared with prior art has beneficial effect:
1) uses free-standing yarn controller,, both improved the computing reaction speed, alleviated Computerized flat knitting machine controller burden again, improved the stability of a system and security various operation operation independents in the yarn-feeding process.
2) be provided with the yarn conditions checkout gear, the temperature in the yarn line sending process, humidity etc. are detected, adjust line sending tension force in real time, keep line sending stability, prevent broken string.
3) photoelectric encoder and high-speed counting mouth can be judged line sending speed and slip etc. whether occur.
4) tensioning apparatus can be adjusted yarn tension in real time according to the order of free-standing yarn controller in addition, accomplishes the adjustment requirement.
To sum up, use this free-standing yarn fixed length detection system, can improve the stability of a system and security, simple and reliable, can effective guarantee be provided for the Computerized flat knitting machine overall operation.
Description of drawings
Fig. 1 is the framework sketch map that is used for the free-standing yarn fixed length detection system of Computerized flat knitting machine;
Fig. 2 is the structural representation of tensioning apparatus of the present invention;
Among the figure, locating hole 10 behind yarn prelocalization hole 1, right yarn wheel 2, right yarn wheel sensor 3, yarn tension sensor 4, yarn 5, left yarn wheel 6, left yarn wheel sensor 7, tightening drive 8, regulating wheel 9, the yarn.
The specific embodiment
Like Fig. 1, shown in 2, the free-standing yarn fixed length detection system that is used for Computerized flat knitting machine comprises Computerized flat knitting machine controller, free-standing yarn controller, send the yarn driver, send the yarn motor, initiatively yarn feeder, high-precision D/A modular converter, tensioning apparatus, high counting number mouth, signal condition module, photoelectric encoder, yarn conditions monitoring device; The Computerized flat knitting machine controller links to each other with free-standing yarn controller, and free-standing yarn controller is connected with sending yarn driver, high-precision D/A modular converter, high-speed counting mouth, yarn conditions monitoring device respectively, send the yarn driver to be connected with sending the yarn motor; Send initiatively yarn feeder of yarn motor-driven; High-precision D/A modular converter is connected with tensioning apparatus, and tensioning apparatus is connected with the active yarn feeder, and initiatively yarn feeder is provided with photoelectric encoder; Photoelectric encoder is connected with the signal condition module; And transfer signals to the high-speed counting mouth, and initiatively yarn feeder is provided with the yarn conditions monitoring device outward, and the yarn conditions monitoring device is connected with free-standing yarn controller.
Tensioning apparatus comprises locating hole 10 behind yarn prelocalization hole 1, right yarn wheel 2, right yarn wheel sensor 3, yarn tension sensor 4, yarn 5, left yarn wheel 6, left yarn wheel sensor 7, tightening drive 8, regulating wheel 9, the yarn; Yarn 5 passes yarn prelocalization hole 1, and walks around right yarn wheel 2, regulating wheel 9, left yarn wheel 6 successively
, Yarn tension sensor 4, right yarn wheel 2; Locating hole 10 passes behind the yarn; Right yarn wheel 2 is provided with right yarn wheel sensor 3; Left side yarn wheel 6 is provided with left yarn wheel sensor 7, and tightening drive 8 is connected with regulating wheel 9, and right yarn wheel sensor 3, left yarn wheel sensor 7, yarn tension sensor 4, tightening drive 8 pass through high-precision D/A modular converter respectively and be connected with free-standing yarn controller.
The step of the free-standing yarn fixed length detection method of Computerized flat knitting machine is following:
1) in Computerized flat knitting machine, independently send the yarn controller to send signal controlling and send the action of yarn driver, drive and send the yarn motor, drive initiatively yarn feeder, accomplish and send the yarn action;
2) yarn movement touches photoelectric encoder, and the photoelectric encoder signal is with sending the yarn situation to change, and signal is defeated by through the high-speed counting oral instructions and is independently sent the yarn controller after the compiling of high speed conditioning module;
3) the yarn conditions monitoring device installed of yarn end monitor yarn humidity, temperature in real time, information such as whether break, and be transferred to and independently send the yarn controller, adjust the yarn speed of sending;
4) tensioning apparatus is through right yarn wheel sensor 3 and left yarn wheel sensor 7, and whether monitor right yarn wheel 2 synchronous with left yarn wheel (6) running, signal is transferred to independently send the yarn controller, feeds back to and send the yarn driver;
5) yarn tension sensor 4 detects yarn transmission tension force in the yarn-feeding process in the tensioning apparatus, feeds back to and independently send the yarn controller, and control tightening drive 8 drives the regulating wheel motion, the real-time regulated yarn tension.
Claims (3)
1. free-standing yarn fixed length detection system that is used for Computerized flat knitting machine is characterized in that comprising Computerized flat knitting machine controller, free-standing yarn controller, send the yarn driver, send the yarn motor, initiatively yarn feeder, high-precision D/A modular converter, tensioning apparatus, high counting number mouth, signal condition module, photoelectric encoder, yarn conditions monitoring device; The Computerized flat knitting machine controller links to each other with free-standing yarn controller, and free-standing yarn controller is connected with sending yarn driver, high-precision D/A modular converter, high-speed counting mouth, yarn conditions monitoring device respectively, send the yarn driver to be connected with sending the yarn motor; Send initiatively yarn feeder of yarn motor-driven; High-precision D/A modular converter is connected with tensioning apparatus, and tensioning apparatus is connected with the active yarn feeder, and initiatively yarn feeder is provided with photoelectric encoder; Photoelectric encoder is connected with the signal condition module; And transfer signals to the high-speed counting mouth, and initiatively yarn feeder is provided with the yarn conditions monitoring device outward, and the yarn conditions monitoring device is connected with free-standing yarn controller.
2. the free-standing yarn fixed length detection system that is used for Computerized flat knitting machine according to claim 1 is characterized in that described tensioning apparatus comprises locating hole (10) behind yarn prelocalization hole (1), right yarn wheel (2), right yarn wheel sensor (3), yarn tension sensor (4), yarn (5), left yarn wheel (6), left yarn wheel sensor (7), tightening drive (8), regulating wheel (9), the yarn; Yarn (5) passes yarn prelocalization hole (1), and walks around right yarn wheel (2), regulating wheel (9), left yarn wheel (6) successively
,Yarn tension sensor (4), right yarn wheel (2); Locating hole (10) passes behind the yarn; Right yarn wheel (2) is provided with right yarn wheel sensor (3); Left side yarn wheel (6) is provided with left yarn wheel sensor (7), and tightening drive (8) is connected with regulating wheel (9), and right yarn wheel sensor (3), left yarn wheel sensor (7), yarn tension sensor (4), tightening drive (8) are connected with free-standing yarn controller through high-precision D/A modular converter respectively.
3. one kind is used the free-standing yarn fixed length detection method that is used for Computerized flat knitting machine of system according to claim 1, it is characterized in that its step is following:
1) in Computerized flat knitting machine, independently send the yarn controller to send signal controlling and send the action of yarn driver, drive and send the yarn motor, drive initiatively yarn feeder, accomplish and send the yarn action;
2) yarn movement touches photoelectric encoder, and the photoelectric encoder signal is with sending the yarn situation to change, and signal is defeated by through the high-speed counting oral instructions and is independently sent the yarn controller after the compiling of high speed conditioning module;
3) the yarn conditions monitoring device installed of yarn end monitor yarn humidity, temperature in real time, information such as whether break, and be transferred to and independently send the yarn controller, adjust the yarn speed of sending;
Whether 4) tensioning apparatus is through right yarn wheel sensor (3) and left yarn wheel sensor (7), monitor right yarn wheel (2) and left yarn and take turns (6) and turn round synchronously, signal is transferred to independently send the yarn controller, feeds back to and send the yarn driver;
5) yarn tension sensor (4) detects yarn transmission tension force in the yarn-feeding process in the tensioning apparatus, feeds back to and independently send the yarn controller, and control tightening drive (8) drives the regulating wheel motion, the real-time regulated yarn tension.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011104346626A CN102517784A (en) | 2011-12-22 | 2011-12-22 | Independent yarn fixed-length detecting system for computerized flat knitting machine and method thereof |
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| CN2011104346626A CN102517784A (en) | 2011-12-22 | 2011-12-22 | Independent yarn fixed-length detecting system for computerized flat knitting machine and method thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2534286A1 (en) * | 1982-10-08 | 1984-04-13 | Inst Textile De France | Device for adjusting the length of thread taken up by a knitting loom. |
| CN1867717A (en) * | 2003-10-17 | 2006-11-22 | 株式会社岛精机制作所 | Yarn feeding device of weft knitting machine |
| CN1916802A (en) * | 2006-08-31 | 2007-02-21 | 哈尔滨工业大学 | System and method for controlling moment limit of tension of medium fibers formed by wrapping |
| CN201665756U (en) * | 2010-04-09 | 2010-12-08 | 飞虎纺机有限公司 | Triple-system computerized flat knitting machine yarn length measuring-detecting device |
| CN102041621A (en) * | 2009-10-12 | 2011-05-04 | 吴江市谢氏制衣有限公司 | Flat knitting machine with tension device |
| CN201942850U (en) * | 2010-12-17 | 2011-08-24 | 飞虎科技有限公司 | Positive type yarn feeder |
-
2011
- 2011-12-22 CN CN2011104346626A patent/CN102517784A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2534286A1 (en) * | 1982-10-08 | 1984-04-13 | Inst Textile De France | Device for adjusting the length of thread taken up by a knitting loom. |
| CN1867717A (en) * | 2003-10-17 | 2006-11-22 | 株式会社岛精机制作所 | Yarn feeding device of weft knitting machine |
| CN1916802A (en) * | 2006-08-31 | 2007-02-21 | 哈尔滨工业大学 | System and method for controlling moment limit of tension of medium fibers formed by wrapping |
| CN102041621A (en) * | 2009-10-12 | 2011-05-04 | 吴江市谢氏制衣有限公司 | Flat knitting machine with tension device |
| CN201665756U (en) * | 2010-04-09 | 2010-12-08 | 飞虎纺机有限公司 | Triple-system computerized flat knitting machine yarn length measuring-detecting device |
| CN201942850U (en) * | 2010-12-17 | 2011-08-24 | 飞虎科技有限公司 | Positive type yarn feeder |
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Application publication date: 20120627 |