CN102505283A - Device for controlling initial spray time of main nozzle of air jet loom - Google Patents
Device for controlling initial spray time of main nozzle of air jet loom Download PDFInfo
- Publication number
- CN102505283A CN102505283A CN2011103388335A CN201110338833A CN102505283A CN 102505283 A CN102505283 A CN 102505283A CN 2011103388335 A CN2011103388335 A CN 2011103388335A CN 201110338833 A CN201110338833 A CN 201110338833A CN 102505283 A CN102505283 A CN 102505283A
- Authority
- CN
- China
- Prior art keywords
- weft yarn
- yarn
- connects
- main
- main burner
- 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.)
- Pending
Links
Images
Landscapes
- Looms (AREA)
Abstract
The invention discloses a device for controlling the initial spray time of a main nozzle of an air jet loom. The device for controlling the initial spray time of the main nozzle comprises a weft yarn tension sensor arranged between a yarn blocking pin and the main nozzle, wherein the weft yarn tension sensor is connected with a weft yarn start tension calculating and analyzing device; the weft yarn start tension calculating and analyzing device is connected with a weft yarn start control board for controlling the start time and stop time of a main electromagnetic air spray valve; and the weft yarn start control board is connected with the main electromagnetic air spray valve. Through the technical scheme, the initial tension of weft yarn flying automatically reaches a set parameter range, and the optimal state of weft yarn flying is realized by controlling the initial spray time of the main nozzle.
Description
Technical field
The invention belongs to the loom field and relate to a kind of air-jet loom, relate to the control device of a kind of spray time main burner beginning of air-jet loom specifically.
Background technology
Referring to shown in Figure 1, be the air-jet weft insertion system of air-jet loom use in the prior art.The used in jet loom air-flow is realized wefting insertion; The gaseous blast of a plurality of pilot jets of arranging along reed width forms weft tracting flow; Pilot jet sprays by computer instruction successively, and each injection of each pilot jet continues a period of time, connects the wefting insertion yarn and leaps reed width on air-jet loom; One minute wefting insertion of air-jet loom 800 times, each wefting insertion state must be consistent.
The beginning spray angle of main burner is a kind of data setting of main burner injection timing angle, and injection timing is correct, and the Weft yarn flight stretching force tracing pattern is normal.Beginning spray angular advance, the weft yarn initial tensammetric peak that flies uprises, and beginning spray angle postpones; The weft yarn initial tensammetric peak that flies diminishes, even disappears.Regularly postpone in advance with crank angle 0.2 degree and weigh, timing difference a bit, the initial tension force that flies just changes.
Fabric is different, and the weft yarn kind is different, and the weft yarn thickness is different, and air pressure is different, and the weft tension state is all followed variation, and according to the weft tension state of reality, control device is regulated spray time beginning of main jet automatically, strengthens the weft yarn kind adaptive capacity of loom.Therefore, stable for reaching wefting insertion, the jet time that changes the main burner spraying system automatically seems particularly important, but does not also spray the autocontrol method of time as target with the beginning of weft yarn main burner at present.
Summary of the invention
For overcoming deficiency of the prior art, the object of the present invention is to provide the control device of a kind of spray time main burner beginning of air-jet loom, realize the optimum state of weft yarn flight with control main jet spray time beginning.
For realizing above-mentioned technical purpose, reach above-mentioned technique effect, the present invention realizes through following technical scheme:
The control device of a kind of spray time main burner beginning of air-jet loom; Described air-jet loom comprises that several weft accumulators, a special-shaped reed, are arranged on the main burner of said special-shaped reed arrival end, several main jet electromagnetic gas valves that connect said main burner and main gas bag along the evenly distributed pilot jet, of said profile iron respectively are connected the auxilliary spray electromagnetic gas valve of said pilot jet and auxilliary gas bag respectively with several; Said main gas bag is connected a control valve respectively with auxilliary gas bag; Said control valve connects source of the gas; Be respectively arranged with retaining yarn pin on described several weft accumulators; Yarn gets into said main burner from said retaining yarn pin; And get in the reed groove of said special-shaped reed through the jet-stream wind of said main burner; The control device of said spray time main burner beginning comprises that one is arranged on the Yarn tension sensor between said retaining yarn pin and the said main burner, and said yarn gets into said main burner from said retaining yarn pin through said Yarn tension sensor, and said Yarn tension sensor connects weft yarn starting tensometer point counting parser; Said weft yarn starting tensometer point counting parser connects one and is used to control the weft yarn starter board that main jet electromagnetic gas valve start-up time and shut-in time and electromagnetic gas valve start, and said weft yarn starter board connects said main jet electromagnetic gas valve.
Further; Said weft yarn starting tensometer point counting parser comprises that one connects the electric bridge signal processor of said Yarn tension sensor; Said electric bridge signal processor connects a signal picker; Said signal picker connects weft yarn starting tension force calculator; Said weft yarn starting tension force calculator connects a weft yarn starting state determining device, and said weft yarn starting state determining device connects said weft yarn starter board, said signal picker also be connected with one be used to export the angle letter of main shaft gyration encoder.
Further, said Yarn tension sensor comprises a sensing body, and the thin-walled place is provided with the foil gauge group in the middle of the said sensing body; Said foil gauge group connects said weft tension analyzer through lead-out wire; One end of said sensing body is provided with one or three roller groups, and said yarn gets into the measurement zone of said three roller groups, and yarn tension acts on the said three roller groups; Cause the distortion of said three roller groups; The distortion of said three roller groups passes to said sensing body, and the distortion of said sensor body causes elongating or shortening of said foil gauge group, and said foil gauge group sends signal to said weft tension analyzer through said lead-out wire.
Preferably, said three roller groups comprise first pony roll, second pony roll and the 3rd pony roll that sets gradually, and said yarn passes through from the bottom of first pony roll, the top of second pony roll and the bottom of the 3rd pony roll successively.
Preferably, said first pony roll, second pony roll and the 3rd pony roll are fixed on the said sensing body through an installation thin plate.
Preferably, the threshold value of said weft yarn starting state determining device is set to the peak value of small peak of tension curve less than 8 CN, and greater than 3 CN, the peak region width is less than crank angle 2o.
Compared with prior art, the present invention has following beneficial effect:
Control device of the present invention flies the size of initial tensammetric peak and peak value as standard with weft yarn, judges correcting errors of spray time main burner beginning, starts the control of spray time beginning.This method is that air-jet loom provides a kind of weft yarn initial tension force that flies that lets reach the technical scheme of setup parameter scope automatically, realizes the optimum state of weft yarn flight with control main burner spray time beginning.
Above-mentioned explanation only is the general introduction of technical scheme of the present invention, understands technological technical scheme of the present invention in order can more to know, and can implement according to the content of specification, below with preferred embodiment of the present invention and conjunction with figs. detailed description.The specific embodiment of the present invention is provided by following examples and accompanying drawing thereof in detail.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
The weft insertion system that Fig. 1 uses for the prior art loom.
Fig. 2 is the theory diagram of control device of the present invention.
Fig. 3 is applied in the structural representation in the weft insertion system for the present invention.
Fig. 4 is the structural representation of Yarn tension sensor of the present invention.
Fig. 5 is the curve map of weft yarn flight starting tensammetric peak.
Label declaration among the figure: 1, weft accumulator, 2, retaining yarn pin, 3, yarn, 4, main burner, 5, pilot jet, 6, special-shaped reed; 7, main jet electromagnetic gas valve, 8, auxilliary spray electromagnetic gas valve, 9, main gas bag, 10, auxilliary gas bag, 11, control valve; 12, source of the gas, 13, Yarn tension sensor, 14, weft yarn starting tensometer point counting parser, 1401, the electric bridge signal processor, 1402, signal picker; 1403, weft yarn starting tension force calculator, 1404, weft yarn starting state determining device, 15, encoder, 16, the weft yarn starter board, 17, the sensing body; 18, foil gauge group, 19, lead-out wire, 2001, first pony roll, 2002, second pony roll, the 2003, the 3rd pony roll.
The specific embodiment
Below with reference to accompanying drawing and combine embodiment, specify the present invention.
Referring to Fig. 2, shown in Figure 3; The control device of a kind of spray time main burner beginning of air-jet loom; Described air-jet loom comprises that several weft accumulator 1, one special-shaped reed 6, are arranged on the main burner 4 of said special-shaped reed 6 arrival ends, several main jet electromagnetic gas valves 7 that connect said main burner 4 and main gas bag 9 along said special-shaped reed 6 evenly distributed pilot jets 5, respectively are connected the auxilliary spray electromagnetic gas valve 8 of said pilot jet 5 and auxilliary gas bag 10 respectively with several; Said main gas bag 9 is connected a control valve 11 respectively with auxilliary gas bag 10; Said control valve 11 connects source of the gas 12; Be respectively arranged with retaining yarn pin 2 on described several weft accumulators 1; Yarn 3 gets into said main burner 4 from said retaining yarn pin 2; And get in the reed groove of said special-shaped reed 6 through the jet-stream wind of said main burner 4; The control device of said spray time main burner beginning comprises that one is arranged on the Yarn tension sensor 13 between said retaining yarn pin 2 and the said main burner 4, and said yarn 3 gets into said main burner 4 from said retaining yarn pin 2 through said Yarn tension sensor 13, and said Yarn tension sensor 13 connects weft yarn starting tensometer point counting parser 14; Said weft yarn starting tensometer point counting parser 14 connects one and is used to control the weft yarn starter board 16 that main jet electromagnetic gas valve start-up time and shut-in time and electromagnetic gas valve start, and said weft yarn starter board 16 connects said main jet electromagnetic gas valve 7.
Further; Said weft yarn starting tensometer point counting parser 14 comprises that one connects the electric bridge signal processor 1401 of said Yarn tension sensor 13; Said electric bridge signal processor 1401 connects a signal picker 1402; Said signal picker 1402 connects weft yarn starting tension force calculator 1403; Said weft yarn starting tension force calculator 1403 connects a weft yarn starting state determining device 1404, and said weft yarn starting state determining device 1404 connects said weft yarn starter board 16, said signal picker 1402 also be connected with one be used to export the angle letter of main shaft gyration encoder 15.
Further; Referring to shown in Figure 4, said Yarn tension sensor 13 comprises a sensing body 17, and the thin-walled place is provided with foil gauge group 18 in the middle of the said sensing body 17; Said foil gauge group 18 connects said weft tension analyzer 14 through lead-out wire 19; One end of said sensing body 17 is provided with one or three roller groups, and said yarn 3 gets into the measurement zone of said three roller groups, and yarn tension acts on the said three roller groups; Cause the distortion of said three roller groups; The distortion of said three roller groups passes to said sensing body 17, and the distortion of said sensor body 17 causes elongating or shortening of said foil gauge group 18, and said foil gauge group 18 sends signal to said weft tension analyzer 14 through said lead-out wire 19.
The foil gauge group 18 of Yarn tension sensor 13 comprises four foil gauges, forms a bridge.Signal is input to said signal picker 1402 after said electric bridge signal processor 1401 is handled, the angle signal of simultaneously said encoder 15 output main shaft gyrations is to said signal picker 1402.Weft yarn starting tensammetric peak process accounts for the fraction of turn over, accounts for about the 2-3 degree, and therefore said encoder 15 improves the data acquisition amount by signal of 0.2 degree output.
Preferably, said three roller groups comprise first pony roll 2001, second pony roll 2002 and the 3rd pony roll 2003 that sets gradually, and said yarn passes through from the bottom of first pony roll 2001, the top of second pony roll 2002 and the bottom of the 3rd pony roll 2003 successively.
Preferably, said first pony roll 2001, second pony roll 2002 and the 3rd pony roll 2003 are installed thin plate 21 through one and are fixed on the said sensing body 17.
Referring to shown in Figure 5, expression weft yarn flight starting tensammetric peak curve, in one group of signal, abscissa is the crank up angle, ordinate is a weft tension, generates weft yarn flight starting tensammetric peak curve and a small peak.Contain spike if measure in the curve, peak value is less than 8 CN, and greater than 3 CN, the peak region width is less than crank angle 2o, representes then that the weft yarn traverse of flying was normal; Do not contain spike if measure in the curve, or peak value is too high, the peak region width is greater than crank angle 2 o, then shows the weft yarn process exception of fly, shows and but started when should not fly when maybe this flies but less than starting.Judge whether to change the start-up time of main jet electromagnetic valve thus.
The above is merely preferred case study on implementation of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. the control device of the spray time main burner of air-jet loom beginning; Described air-jet loom comprises that several weft accumulators (1), a special-shaped reed (6), are arranged on the main burner (4) of said special-shaped reed (6) arrival end, several main jet electromagnetic gas valves (7) that connect said main burner (4) and main gas bag (9) along the evenly distributed pilot jet (5), of said special-shaped reed (6) respectively are connected the auxilliary spray electromagnetic gas valve (8) of said pilot jet (5) and auxilliary gas bag (10) respectively with several; Said main gas bag (9) is connected a control valve (11) respectively with auxilliary gas bag (10); Said control valve (11) connects source of the gas (12); Be respectively arranged with retaining yarn pin (2) on described several weft accumulators (1); Yarn (3) gets into said main burner (4) from said retaining yarn pin (2); And get in the reed groove of said special-shaped reed (6) through the jet-stream wind of said main burner (4); It is characterized in that: the control device of said spray time main burner beginning comprises that one is arranged on the Yarn tension sensor (13) between said retaining yarn pin (2) and the said main burner (4); Said yarn (3) gets into said main burner (4) from said retaining yarn pin (2) through said Yarn tension sensor (13); Said Yarn tension sensor (13) connects weft yarn starting tensometer point counting parser (14); Said weft yarn starting tensometer point counting parser (14) connects one and is used to control the weft yarn starter board (16) that main jet electromagnetic gas valve start-up time and shut-in time and electromagnetic gas valve start, and said weft yarn starter board (16) connects said main jet electromagnetic gas valve (7).
2. the control device of the spray time main burner of air-jet loom according to claim 1 beginning; It is characterized in that: said weft yarn starting tensometer point counting parser (14) comprises that one connects the electric bridge signal processor (1401) of said Yarn tension sensor (13); Said electric bridge signal processor (1401) connects a signal picker (1402); Said signal picker (1402) connects weft yarn starting tension force calculator (1403); Said weft yarn starting tension force calculator (1403) connects a weft yarn starting state determining device (1404); Said weft yarn starting state determining device (1404) connects said weft yarn starter board (16), said signal picker (1402) also be connected with one be used to export the angle letter of main shaft gyration encoder (15).
3. the control device of the spray time main burner of air-jet loom according to claim 2 beginning; It is characterized in that: the threshold value of said weft yarn starting state determining device (1404) is set to the peak value of small peak of tension curve less than 8 CN; Greater than 3 CN, the peak region width is less than crank angle 2o.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103388335A CN102505283A (en) | 2011-11-01 | 2011-11-01 | Device for controlling initial spray time of main nozzle of air jet loom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103388335A CN102505283A (en) | 2011-11-01 | 2011-11-01 | Device for controlling initial spray time of main nozzle of air jet loom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102505283A true CN102505283A (en) | 2012-06-20 |
Family
ID=46217411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103388335A Pending CN102505283A (en) | 2011-11-01 | 2011-11-01 | Device for controlling initial spray time of main nozzle of air jet loom |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102505283A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106012243A (en) * | 2015-03-27 | 2016-10-12 | 株式会社丰田自动织机 | Weft detection apparatus for air-jet weaving machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01207442A (en) * | 1988-02-15 | 1989-08-21 | Toray Ind Inc | Method for maintenance and control in shuttleless loom |
| CN1932105A (en) * | 2006-06-15 | 2007-03-21 | 江苏万工科技集团有限公司 | Pneumatic-electric control device of reed back airflow detector |
| CN101235572A (en) * | 2008-03-04 | 2008-08-06 | 江苏万工科技集团有限公司 | Weft yarn flying tension display device |
| CN101463525A (en) * | 2008-11-28 | 2009-06-24 | 江苏万工科技集团有限公司 | Measuring device for weft leading end motion state in weft insertion of air jet loom |
| CN102146607A (en) * | 2010-11-17 | 2011-08-10 | 江苏万工科技集团有限公司 | Automatic adjusting device and adjusting method for sampling period of warp delivery mechanism of weaving machine |
| CN202298008U (en) * | 2011-11-01 | 2012-07-04 | 江苏万工科技集团有限公司 | Control device of initial spraying time of main nozzle for jet loom |
-
2011
- 2011-11-01 CN CN2011103388335A patent/CN102505283A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01207442A (en) * | 1988-02-15 | 1989-08-21 | Toray Ind Inc | Method for maintenance and control in shuttleless loom |
| CN1932105A (en) * | 2006-06-15 | 2007-03-21 | 江苏万工科技集团有限公司 | Pneumatic-electric control device of reed back airflow detector |
| CN101235572A (en) * | 2008-03-04 | 2008-08-06 | 江苏万工科技集团有限公司 | Weft yarn flying tension display device |
| CN101463525A (en) * | 2008-11-28 | 2009-06-24 | 江苏万工科技集团有限公司 | Measuring device for weft leading end motion state in weft insertion of air jet loom |
| CN102146607A (en) * | 2010-11-17 | 2011-08-10 | 江苏万工科技集团有限公司 | Automatic adjusting device and adjusting method for sampling period of warp delivery mechanism of weaving machine |
| CN202298008U (en) * | 2011-11-01 | 2012-07-04 | 江苏万工科技集团有限公司 | Control device of initial spraying time of main nozzle for jet loom |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106012243A (en) * | 2015-03-27 | 2016-10-12 | 株式会社丰田自动织机 | Weft detection apparatus for air-jet weaving machine |
| CN106012243B (en) * | 2015-03-27 | 2017-08-25 | 株式会社丰田自动织机 | Weft examining device for air-jet loom |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202298008U (en) | Control device of initial spraying time of main nozzle for jet loom | |
| CN107034576B (en) | The Weft insertion controller of air-jet loom | |
| CN105628051B (en) | A kind of embedded aeromerric moasurenont device performance appraisal procedure | |
| CN102505283A (en) | Device for controlling initial spray time of main nozzle of air jet loom | |
| CN101463525A (en) | Measuring device for weft leading end motion state in weft insertion of air jet loom | |
| NZ587413A (en) | Wind Turbine enhancement system via acceleration of the incoming air | |
| CN201809547U (en) | Weft insertion system applicable to different weft yarn counts | |
| CN101482440A (en) | Special inside static pressure field test device for main nozzle of jet loom | |
| CN103984804A (en) | Trial flight data-based method for correcting angle of attack of aircraft | |
| CN202809118U (en) | Weft insertion flow guide groove airflow simulation measuring system | |
| CN205024393U (en) | Supplementary jet air current control system | |
| CN102704151A (en) | Weft insertion diversion trench airflow simulation measuring system | |
| CN103215732B (en) | Auxiliary jet air supply system with exhaust valve | |
| CN202415852U (en) | Weft insertion flow field forming system | |
| CN105063864B (en) | Control system for jet stream of auxiliary nozzles | |
| CN2869054Y (en) | High-pressure air flow conveying device of air jet loom | |
| EP2765229A1 (en) | Air jet loom with a display device | |
| CN205711184U (en) | A kind of auxiliary nozzle system of air-jet loom | |
| JP2015063781A (en) | Method for detecting air leakage in air jet loom | |
| Kim et al. | A computational analysis of unsteady transonic/supersonic flows over backward facing step in air jet nozzle | |
| CN102493103A (en) | Weft insertion flow field forming system | |
| CN209510467U (en) | A kind of anti-icing damp proof prizing body device of gas turbine inlet air | |
| CN207182141U (en) | Green house temperature-humidity separation detecting device | |
| CN205642808U (en) | Boiler furnace pressure switch calibration equipment among petrochemical | |
| CN102677371A (en) | Main nozzle for secondary acceleration of airflow and air supply system of main nozzle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120620 |
|
| WD01 | Invention patent application deemed withdrawn after publication |