CN101037823A - Air jet loom - Google Patents
Air jet loom Download PDFInfo
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- CN101037823A CN101037823A CNA2007100063068A CN200710006306A CN101037823A CN 101037823 A CN101037823 A CN 101037823A CN A2007100063068 A CNA2007100063068 A CN A2007100063068A CN 200710006306 A CN200710006306 A CN 200710006306A CN 101037823 A CN101037823 A CN 101037823A
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- weft
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- air
- road
- insertion nozzle
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
- D03D47/28—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed
- D03D47/30—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed by gas jet
- D03D47/3026—Air supply systems
- D03D47/3053—Arrangements or lay out of air supply systems
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- Textile Engineering (AREA)
- Looms (AREA)
Abstract
The air-jet loom includes a picking nozzle for making a picking utilizing air current, a first feed channel via which the picking nozzle is fed with compressed air for picking, and a second feed channel via which compressed air differing in pressure from the above compressed air is fed into the picking nozzle for threading weft into the picking nozzle. In this air-jet loom, the second feed channel is provided with a valve for opening/closing the channel, wherein the valve makes an opening action by a control signal from a manually operating device, which includes an operating switch for outputting the above control signal and a setter for setting the actuation time of the opening action for the valve. When the switch is operated, the above control signal is outputted to the valve for a time set by the setter.
Description
Technical field
The present invention relates to a kind of air-jet loom that inserts weft yarn by the compressed air that sprays from Weft insertion nozzle to the shed open of warp thread.
Background technology
For example, shown in patent documentation 1, in air-jet loom, use Weft insertion nozzle when the shed open that is made of warp thread inserts weft yarn, drag the effect of drawing by the wefting insertion that sprays from Weft insertion nozzle with compressed-air actuated, weft yarn is inserted in shed open.
When weft yarn comes off from this Weft insertion nozzle,, only when threading is worked, supply with the compressed air of threading with air pressure to Weft insertion nozzle for easy threading work to Weft insertion nozzle break-through weft yarn.
Thus, loom is dragged the effect of drawing by the threading supplied with to Weft insertion nozzle with compressed-air actuated in the threading work in non-woven when action, can be with comparalive ease to Weft insertion nozzle break-through weft yarn.
No. 2894465 communique of [patent documentation 1] patent
Yet in existing above-mentioned air-jet loom, the compressed-air actuated pressure of threading can only be adjusted with the adjuster that is arranged at its pipeline, can not adjust in addition.And according to the adjustment with this adjuster, the threading of supplying with to Weft insertion nozzle in the time of can not be with threading is adjusted into rapidly and easily according to by the suitable pressure of the kind of the weft yarn of break-through with compressed-air actuated pressure.
Therefore, no matter the kind of weft yarn how, in existing above-mentioned air-jet loom, the compressed-air actuated pressure that threading is used is not adjusted into suitable pressure according to the weft yarn kind respectively.If the air pressure of threading is too high, then staplings can take place to the Weft insertion nozzle threading time.Opposite with it, if the air pressure of threading is low excessively, then be difficult to Weft insertion nozzle break-through weft yarn, therefore can reduce the threading operating efficiency.Thus, require a kind of threading that can spray from Weft insertion nozzle to be adjusted into air-jet loom rapidly and easily according to the suitable value of yarn variety with compressed-air actuated jet power.
Summary of the invention
Therefore, the objective of the invention is to, provide a kind of, the threading that can spray from Weft insertion nozzle is adjusted into air-jet loom according to the suitable jet power of the weft yarn kind of break-through rapidly and easily with compressed-air actuated jet power.
The present invention is characterized in that, comprising: Weft insertion nozzle is used to utilize air flow to carry out wefting insertion; The 1st supplies with the road, is used for this Weft insertion nozzle is supplied with wefting insertion compressed air; The 2nd supplies with the road, in order to wear weft yarn to above-mentioned Weft insertion nozzle, and the compressed air different with above-mentioned compressed air to this Weft insertion nozzle supply pressure, and be provided with the open and close valve that is used to open and close this supply road; Manual station for open above-mentioned the 2nd supply road, makes the control signal of above-mentioned open and close valve opening operation to this open and close valve output.This manual station possesses: console switch is used to export above-mentioned control signal; Setting apparatus is set start time of the opening operation of above-mentioned open and close valve convertibly, and above-mentioned manual station when the aforesaid operations switch is operated, will export above-mentioned open and close valve to by the time interval, the above-mentioned control signal that above-mentioned setting apparatus sets.
In air-jet loom of the present invention, carry out opening operation by operating above-mentioned manual station, can make the above-mentioned open and close valve that is arranged at the 2nd supply road, by the opening operation of this open and close valve, can supply with the compressed air that threading is used to Weft insertion nozzle.And, set opening operation time convertibly by the above-mentioned open and close valve of the operation of this manual station by the above-mentioned setting apparatus that is arranged at above-mentioned manual station.By must be long with the opening operation time set of above-mentioned open and close valve, the threading that sprays from Weft insertion nozzle increases with compressed-air actuated jet power, in contrast, by must be short with the opening operation time set of above-mentioned open and close valve, the threading that sprays from Weft insertion nozzle reduces with compressed-air actuated jet power.
Thus,, can suitably adjust the opening operation time of above-mentioned open and close valve in advance according to yarn variety, so that the threading that sprays from Weft insertion nozzle becomes suitable jet power with compressed-air actuated jet power by the operation of above-mentioned setting apparatus.Therefore, after adjusting this setting apparatus of operation, only operate the aforesaid operations switch of above-mentioned manual station, no matter the operation length of this console switch, the threading that can spray from Weft insertion nozzle is adjusted into suitable value according to the yarn variety of break-through with compressed-air actuated jet power.
Therefore, according to air-jet loom of the present invention,, in the adjuster of threading, and can spray compressed air with suitable jet power from Weft insertion nozzle according to yarn variety with compressed-air actuated supply road without operation setting for threading.
During except that above-mentioned threading, in cut-out period by the weft yarn that supplies the above-mentioned Weft insertion nozzle of yarn cutting knife cut-out process, can the above-mentioned open and close valve of opening operation, by making above-mentioned open and close valve carry out opening operation period, can supply with the road direction Weft insertion nozzle through the above-mentioned the 2nd from above-mentioned Weft insertion nozzle and supply with cut-out winding-up same by the cut-out of cutting off weft yarn for the yarn cutting knife.Thus, because can cut off the pipeline of winding-up usefulness and the pipeline that threading is used by dual-purpose, so, when using for yarn cutting knife cut-out weft yarn, need not use the special-purpose pipeline of cut-out winding-up, can prevent definitely that also weft yarn comes off from Weft insertion nozzle owing to produce contraction in this weft yarn.
According to the present invention, as above-mentioned, operation by setting apparatus, because the compressed-air actuated jet power that can spray from Weft insertion nozzle for threading according to the kind adjustment of the weft yarn of institute's break-through, therefore, can adjust the threading jet power in when work easily and promptly according to the weft yarn kind, thus no matter the weft yarn kind of weft yarn how, can not damaged weft yarn effectively with the weft yarn break-through to Weft insertion nozzle.
Description of drawings
Fig. 1 is the line chart of embodiment of roughly representing the weft inserting apparatus of air-jet loom of the present invention.
Fig. 2 is the piece figure that is illustrated in the concrete example of the manual station of the present invention that Fig. 1 represents.
Fig. 3 is the drawing same with Fig. 1 of other embodiment of roughly representing the weft inserting apparatus of air-jet loom of the present invention.
The specific embodiment
Below, according to illustrated embodiment explanation the present invention.
As shown in Figure 1, air-jet loom 10 of the present invention possesses: shedding motion (not shown), with the synchronous start of rotation of the main shaft 12 of this loom; Reed 16 is by the start of this shedding motion, for the weft yarn 14 that will be inserted in the shed open that is formed by warp thread beats up at fell, with above-mentioned main shaft interlock carrying out swing movement; Weft inserting apparatus 20 has the Weft insertion nozzle 18 that is supported with this reed one.Be formed with the end along its length direction from this reed in the past the known air guide groove (not shown) to the other end on the reed 16, the ejiction opening 18a of Weft insertion nozzle 18 is towards above-mentioned air guide groove.
Weft inserting apparatus 20 has: pressurized air source 22, be used to produce compressed air, and for example constitute by air pump; The 1st supplies with road 28, and through be connected in the connector 26 of Weft insertion nozzle 18 by connecting line 24, the compressed air of the air source of self-pressurization in the future 22 guides to Weft insertion nozzle 18; The the 2nd and even the 4th respectively supply with road 30,32,34, supply with the road and dispose side by side with the 1st respectively.
Supply with road 28 at wefting insertion with the 1st, dispose successively to connector 26 from pressurized air source 22: adjuster 36, the compressed-air actuated pressure of the air source of self-pressurization in the future 22 is set at the pressure that is fit to the wefting insertion weft yarn; Air groove 38, reservation is stably supplied with to Weft insertion nozzle 18 by the compressed air of the pressure of this adjuster adjustment and with it; The 1st open and close valve 40 keeps the 1st to supply with road 28 with the blocking state, and the open the 1st supplies with road 28 when receiving control signal.
The the 2nd and even the 4th supplies with road 30,32,34, supplies with difference the way on roads 28 from pressurized air source 22 to the 1st respectively, and circuitous adjuster 36, air groove 38 and the 1st open and close valve 40 are supplied with 28 interflow, road the 1st once more and arrived Weft insertion nozzles 18.Thus, the 2nd and even the 4th supply with road 30,32,34 supply pressures and the different compressed air of the 1st supply road 28 compressed and supplied air.
On the 2nd supply road 30 that threading is used, be provided with successively towards the downstream side that is connected in connector 26 from upstream side: adjuster 42 is used to reduce the compressed-air actuated pressure from pressurized air source 22; The 2nd open and close valve 44 keeps the 2nd to supply with road 30 with the blocking state, and the open the 2nd supplies with road 30 when receiving control signal, and, between the 2nd open and close valve 44 and connector 26, be provided with the check-valves 46 that prevents the compressed air adverse current.
Be arranged at the adjuster 42 on the 2nd supply road 30, the compressed-air actuated pressure of the air source of self-pressurization in the future 22 is set at than being arranged on the 1st and supplies with the low value of setting pressure of the adjuster 36 on road 28, so that be suitable for the threading to Weft insertion nozzle 18.So, by supplying with the air pressure settings on road 30 for lower with compressed air than the wefting insertion that supplies to Weft insertion nozzle 18 through the 1st supply road 28 with the 2nd, thereby, can not bring the unwinding effect, and can prevent definitely that the sth. made by twisting of weft yarn is disconnected and carry out threading work easily to weft yarn.
On the 3rd supply road 32 that cuts off winding-up usefulness, be disposed with towards the downstream side that is connected in connector 26 from upstream side: adjuster 48 is used to reduce the compressed-air actuated pressure from pressurized air source 22; The 3rd open and close valve 50 keeps the 3rd to supply with road 32 with the blocking state, and the open the 3rd supplies with road 32 when receiving control signal, and, between the 3rd open and close valve 50 and connector 26, be provided with the check-valves 52 that prevents the compressed air adverse current.
Be arranged at the adjuster 48 on the 3rd supply road 32, the compressed-air actuated pressure of the air source of self-pressurization in the future 22 is set at than being arranged on the 1st and supplies with the low value of setting pressure of the adjuster 36 on road 28, so that be suitable for cutting off winding-up.
Each open and close valve 40,44,50 for example has solenoid, when receiving control signal, can use existing by start the solenoid electric valve of work to above-mentioned solenoid energising.
Often supplying with on the 4th supply road 34 of usefulness, be provided with successively towards the downstream side that is connected in connector 26 from upstream side: adjuster 54, be used to reduce compressed-air actuated pressure, check-valves 56 from pressurized air source 22, be used to prevent compressed-air actuated adverse current.Adjuster 54 makes from the forced air of pressurized air source 22 to be reduced to than the lower pressure of setting pressure that is arranged at the 2nd and the 3rd the adjuster of respectively supplying with road 30,32 42,48 respectively.
Supply with road 32 the 4th, do not have to be provided with open and close valve as the 1st and even the 3rd supply road 28,30,32.Therefore, no matter air-jet loom 10 is in weaving action and in non-woven action, as long as by to the energising of this loom and pressurized air source 22 carries out start, the low compressed air of pressure that pressure ratio is set by two adjusters 42,48 supplies to Weft insertion nozzle 18 through connecting line 24 often.
Often the compressed air of this low pressure of supplying with to Weft insertion nozzle 18, as knew in the past, even air-jet loom 10 is in the non-woven action, also never illustrated weft yarn length measuring weft storing device is supplied with and can not produced at the weft yarn 14 to this Weft insertion nozzle break-through to Weft insertion nozzle 18 and twists with the fingers disconnected ground, the front end of this weft yarn weft yarn 14 remained on definitely transports in the pathway, so that can not break away from from the road of transporting through the weft yarn 14 of Weft insertion nozzle 18.
Be provided with control device 60 at weft inserting apparatus 20, this control device 60 is used for making each open and close valve 40,50 carry out opening operation according to the rotary angle information from the main shaft 12 of the encoder 58 that is arranged at main shaft 12.Control device 60 is based on the rotary angle information from the main shaft 12 of encoder 58, when carrying out the wefting insertion of weft yarn, so that from Weft insertion nozzle 18 ejection wefting insertion compressed air, the control signal S1 stipulated time is exported to open and close valve 40.Open and close valve 40 is during receiving control signal S1, for wefting insertion carries out opening operation.
If the opening operation by this open and close valve 40 is supplied with wefting insertion compressed air to Weft insertion nozzle 18, by supplying with the compressed air of road 32 from the 3rd often to the low pressure of Weft insertion nozzle 18 supplies, continue to remain on the weft yarn 14 of Weft insertion nozzle 18 with suitable posture, can chaotic its posture, dragged with compressed air from the wefting insertion of the ejiction opening 18a of Weft insertion nozzle 18 ejection and drawn, thus, weft yarn 14 passes through the confession yarn opposition side that above-mentioned shed open guides to shed open definitely along the above-mentioned air guide groove of reed 16.
Thereafter, if the weft yarn 14 that is inserted in above-mentioned shed open is beaten up at fell by reed 16, from the weft yarn 14 of Weft insertion nozzle 18, then the confession yarn cutting knife 62 by being moved by the control signal S2 from control device 60 partly is being cut off from the Weft insertion nozzle 18 outstanding yarn sides that supply.When cutting off weft yarn 14 for yarn cutting knife 62, export control signal S3 to open and close valve 50 from control device 60 with this.
Open and close valve 50 during receiving control signal S3, is supplied with road 32 owing to open the 3rd, thereby is passed through the opening operation of this open and close valve 50, supplies with the compressed air that the usefulness of jetting is cut off in 18 supplies of road direction Weft insertion nozzle through the 3rd.The output angle of control signal S3 and output time, as knew in the past, for the cut-out of weft yarn 14 and comprise after it during, in other words, cut weft yarn 14 by the contraction that produces at weft yarn 14 do not come off from Weft insertion nozzle 18 degree during, for example before cut-out period of the weft yarn 14 of associating to after suitably select to supply with to Weft insertion nozzle 18 so that will cut off the compressed air of the usefulness of jetting.By cutting off winding-up compressed air, when using, can prevent definitely that weft yarn 14 from coming off from Weft insertion nozzle 18 because of the contraction that this weft yarn produces for yarn cutting knife 62 cut-out weft yarns 14 to Weft insertion nozzle 18 supplies.
Be at air-jet loom 10 and weave in the action, from the weft yarn 14 of above-mentioned length measuring weft storing device by unexpectedly cutting off when Weft insertion nozzle 18 comes off, end the action of weaving of air-jet loom 10, must be from the weft yarn 14 of above-mentioned length measuring weft storing device break-through again at Weft insertion nozzle 18.In order to carry out threading easily, be provided with being used to make the manual station 64 of open and close valve 44 opening operations that are arranged at the 2nd supply road 30 to this Weft insertion nozzle 18
When operating manual station 64, will be used to make the control signal S4 of open and close valve 44 opening operations to export open and close valve 44 to Weft insertion nozzle 18 threading.Open and close valve 44 is supplied with road 30 if receive control signal S4 by its opening operation the open the 2nd.
As shown in Figure 2, manual station 64 possesses: console switch 66; Follower 68 has output blocking circuit 68a and the reception operation signal S5 from console switch 66; Setting apparatus 70, setting is the opening operation time of open and close valve 44 from the output time T of the control signal S4 of follower 68.Console switch 66, for example can by the soft-touch control on the not shown guidance panel that is arranged at manual station 64, be arranged at the not shown frame of manual station 64 press button, constitute as electric switches such as touch-switch or rotary switches.
Receive from control device 60 expression air-jet looms 10 weave the control signal S6 of action the time, the output blocking circuit 68a of follower 68 carries out start and just interdicts from follower 68 output control signal S4, when not receiving control signal S6, carry out start and just allow from follower 68 output control signal S4.
When console switch 66 was accepted control signal S5, setting apparatus 70 can be with from the duration of follower 68 to the control signal S4 of open and close valve 50 at follower 68, and digital ground or simulation ground change between 0.1 second unit from 1 second to the several seconds.Setting operation output time (opening operation time) T by this setting apparatus 70 is set in follower 68, and can with its output time T according to break-through in the kind of the weft yarn 14 of Weft insertion nozzle 18, more specifically, adjust in advance according to the intensity of weft yarn 14.And, preestablishing output time T, select the kind of weft yarn 14 by kind by each weft yarn 14, decision output time T also can.
Strength ratio at weft yarn 14 is higher, and rigidity is than higher the time, by being set at maximum at the setting-up time T of setting apparatus 70 for example 2 seconds, when operating operation switch 66, by the opening operation of open and close valve 44, for example the compressed air that the compressed air of the pressure more small than the compressed-air actuated pressure that cuts off winding-up usefulness is used as threading can be sprayed from Weft insertion nozzle 18.
On the other hand, when the strength ratio of weft yarn 14 is low, by being set at minimum of a value at the output time T of setting apparatus 70 for example 1 second, when operating operation switch 66, by the opening operation of open and close valve 44, for example the compressed air of using as threading than the compressed air of the little high pressure of the above-mentioned compressed-air actuated pressure of supplying with often can be sprayed from Weft insertion nozzle 18.
So, can preestablish output time T at setting apparatus 70 to the control signal S4 of open and close valve 44, therefore, according to the character of break-through in the weft yarn 14 of Weft insertion nozzle 18, promptly, according to the kind of weft yarn 14, can suitably adjust the compressed-air actuated expulsion pressure of using from the threading of Weft insertion nozzle 18 injections.
Therefore, under with the front end of weft yarn 14 state with the through hole that is inserted in Weft insertion nozzle 18, supply with the above-mentioned compressed air that threading is used to this Weft insertion nozzle, weft yarn 14 can not produce to be twisted with the fingers disconnected and along with the ejiction opening 18a of this air flow from Weft insertion nozzle 18 extracts out, so, can be easily and promptly to Weft insertion nozzle 18 break-through weft yarns 14.
The output blocking circuit 68a of follower 68, owing to stoping from the output of the control signal S4 of follower 68, weaving in the action of air-jet loom 10 move, therefore, even maloperation console switch 66 in weaving action, also can stop output to the control signal S4 of open and close valve 44, so, can be placed on definitely weave in unwanted threading supply to Weft insertion nozzle 18 with compressed air.Thereby, can prevent from definitely to damage the quality reduction that weft yarn 14 causes fabric because of this unwanted threading supplies to Weft insertion nozzle 18 with compressed air.
As above-mentioned, according to air-jet loom 10 of the present invention, 66 of the console switch by operation manual operation unit 64 need not be operated adjuster 42, and can adjust the compressed-air actuated jet power of using from the threading of Weft insertion nozzle 18 ejection.
Therefore, by setting the setting apparatus 70 of manual station 64, the length of the operation of unattended operation switch 66 can be from the threading compressed air of Weft insertion nozzle 18 injections according to the suitable pressure of the kind of weft yarn 14, so can not twist with the fingers disconnected or damage weft yarn 14, can be definitely and threading easily.
Represented to be provided with independently respectively the example on threading the 2nd supply road of using 30 and the 3rd supply road 32 that cuts off winding-up usefulness among the embodiment of Fig. 1, but all right dual-purpose two supply roads 30,32.At this moment, can not need the 2nd to supply with road 30 and cut off the 3rd of winding-up usefulness and supply with in the road 32 any.
When not needing the 2nd to supply with road 30, use the 3rd of the remaining cut-out winding-up usefulness of control signal S3 start to supply with the 3rd open and close valve 50 on road 32, simultaneously, can carry out start with control signal S4 from manual station 64.
On the other hand, when not needing the 3rd to supply with road 32, the 2nd open and close valve 44 on the 2nd supply road of using with the remaining threading of control signal S4 start 30 simultaneously, can carry out start with the control signal S3 from control device 60.
No matter any situation can be supplied with road 30 or the 3rd supply road 32 by dual-purpose the 2nd, thereby can seek the simplification of pipeline, therefore help subduing cost.And, even cut off winding-up with the supply road of supplying with beyond the road, for the utilization of its former purpose and between the utilization of threading as long as the time do not repeat, other any supply roads can with threading with supply road dual-purpose.
Embodiment 2
Air-jet loom 110 expressions as shown in Figure 3 possess the polychrome correspondence of using a plurality of weft yarns 14,114, in more detail, and the example of the weft inserting apparatus 120 of 2 look correspondences.In Fig. 3 of expression weft inserting apparatus 120, with the same Weft insertion nozzle of representing among Fig. 1 18 that is arranged at weft inserting apparatus 20, with related the 1st the supplying with road 28, comprise that the 2nd supplies with each inscape that road 34 is supplied with on road 30 and the 4th of this Weft insertion nozzle 18, enclose the same reference marks of representing with Fig. 1 of key element.In Fig. 3 and the following description, the cut-out winding-up that is provided with by each Weft insertion nozzle 18,118 is to omit for the simplification of drawing and explanation with the 3rd supply road (32).
Be provided with at weft inserting apparatus 120, weft yarn 114 that will be different with the weft yarn 14 by Weft insertion nozzle 18 is towards the Weft insertion nozzle 118 of the above-mentioned air guide groove guiding of reed 16, and, related with this Weft insertion nozzle, as the difference pipeline be provided with respectively with the 1st, the 2nd, the 4th respectively supply with road 28,30 and 34 corresponding the 1st, the 2nd, the 4th respectively supply with road 128,130 and 134.
Be arranged at the open and close valve 140 and the connector 126 on the 1st supply road 128, correspond respectively to the open and close valve 40 and the connector 26 on the 1st supply road 28.And, be arranged at the 2nd open and close valve 144 and the check-valves 146 of supplying with road 130, correspond respectively to the 2nd open and close valve 44 and the check-valves 46 of supplying with road 30.And, be arranged at the 4th and supply with the check-valves 56 of the check-valves 156 on road 134 corresponding to the 4th supply road 34.
And,,, supply with suitable cut-out winding-up compressed air to the Weft insertion nozzle 18,118 of correspondence respectively through the 3rd not shown supply road with above-mentioned same by cutting off weft yarn at 14,114 o'clock for yarn cutting knife 62.And by the compressed air that supplies to the low pressure of each Weft insertion nozzle 18,118 through the 4th supply road 34,134 often, each weft yarn 14,114 suitably remains in each corresponding Weft insertion nozzle 18,118.
In the weft inserting apparatus 120 that is provided with aforesaid a plurality of Weft insertion nozzle 18,118, owing to can supply with threading compressed air to each Weft insertion nozzle 18,118 according to the kind of each weft yarn 14,114, therefore, by manual operation unit 64 and setting operation above-mentioned same setting apparatus 70, can set separately from the setting-up time T of manual station 64 to the control signal S4 of open and close valve 44,144.
Therefore, according to the control signal S4 that exports open and close valve 44,144 separately from manual operation unit 64 to, the opening operation time of each open and close valve 44,144 changes, thereby, according to kind or its character, can spray threading compressed air with suitable respectively jet power from each Weft insertion nozzle 18,118 to each weft yarn 14,114 of each Weft insertion nozzle 18,118 break-through.
When the intensity of employed weft yarn 14,114 is identical, can cuts apart from the single control signal S4 of the setting apparatus 70 of manual operation unit 64 and will export to separately open and close valve 44,144.At this moment, needn't by operating single console switch 66, can spray threading compressed air from two Weft insertion nozzles 18,118 to each nozzle setting operation switch 66 with identical jet power.
In the weft inserting apparatus of as shown in Figure 3 polychrome correspondence, the wefting insertion of all Weft insertion nozzles 18,118 is supplied with road 28,128 with the 1st use general adjuster 36, but, replace and it, for example in 4 look weft inserting apparatuss, can use general adjuster respectively to per two Weft insertion nozzles 18,118.
Supply with road 30,130 pipelines at threading with two the 2nd adjuster 42,142 is set respectively, replace general adjuster being set with it.Thus, can seek to supply with the easy of the formation on road 30,130.
At this moment, though different with technological thought of the present invention, still,, can adjust the compressed-air actuated pressure of threading from Weft insertion nozzle 18,118 by using the general adjuster of control signal S4 operation from manual station 64.And, than two the 2nd each adjuster more downstream side of supplying with the pipeline on road 30,130 choke valve (flow regulator) is set, by using control signal S4 to operate this choke valve, can adjust the compressed-air actuated flow of threading from Weft insertion nozzle 18,118 from manual station 64.
Openly for threading be arranged at the 2nd action of supplying with the open and close valve 44,144 on road 30,130, can with the operations linkage of the unwinding button of the card shotpin of weaving stop button or weft yarn length measuring weft storing device that is used for loom.At this moment, above-mentioned weave stop button or unwinding button and be operated after, with the time lag opening operation open and close valve 44,144 of regulation.And, with above-mentioned unwinding button interlock or dual-purpose console switch 66, make the unwinding of above-mentioned card shotpin also passable by operating operation switch 58.
In the above-described embodiments, there is not special record to be used for the open and close valve 44,144 of break-through weft yarn 14,114, by the action of carrying out at the console switch 66 of operation in the opening operation, but, operating control signal S4 by console switch 66 outputs to open and close valve 44,144, when open and close valve 44,144 finishes threading in opening operation, by operating operation switch 66 once more, open and close valve 44,144 is closed in the output of stop control signal S4 and to stop the injection of Weft insertion nozzle 18,118 also passable.
In the above-described embodiments, the the 2nd and even the 4th supplies with road 30,32,34, arrive Weft insertion nozzle 18 from pressurized air source 22 circuitous the 1st adjuster 36, air groove 38 and the 1st open and close valves 40 of supplying with road 28 that are arranged at, but, at Weft insertion nozzle 18,118, air inflow aperture more than 2 is set, supplies with road 30,32,34 with the 1st supply road 28 independent formations the 2nd and even the 4th and also can.
In addition, in Fig. 3, for a plurality of Weft insertion nozzles 18,118, be provided with wefting insertion respectively jointly and supply with road 28, adjuster 36 and air groove 38 with the 1st, still, generally these are provided with at each Weft insertion nozzle plural number.
The industrial possibility of utilizing
The present invention is not limited to above-described embodiment, only otherwise break away from its aim, can carry out all changing Become.
Claims (2)
1. an air-jet loom inserts weft yarn by the compressed air that sprays from Weft insertion nozzle to the shed open of warp thread, it is characterized in that:
Comprise: Weft insertion nozzle is used to utilize air flow to carry out wefting insertion; The 1st supplies with the road, is used for this Weft insertion nozzle is supplied with first compressed air that wefting insertion is used; The 2nd supplies with the road, in order to wear weft yarn to above-mentioned Weft insertion nozzle, and second compressed air different with above-mentioned first compressed air to this Weft insertion nozzle supply pressure, and be provided with and be used to open and close the switching that this supply road is used; Manual station for open above-mentioned the 2nd supply road, is exported the control signal that makes above-mentioned switching opening operation to this switching, and this manual station possesses: console switch is used to export above-mentioned control signal; Setting apparatus is set the start time of the opening operation of above-mentioned switching variablely, and when the aforesaid operations switch is operated, will be exported to above-mentioned switching by the time interval, above-mentioned control signal that above-mentioned setting apparatus sets.
2. air-jet loom according to claim 1, above-mentioned open and close valve by the cut-out period of cutting off for the yarn cutting knife through the weft yarn of above-mentioned weft yarn nozzle, carries out opening operation.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006067498 | 2006-03-13 | ||
| JP2006-067498 | 2006-03-13 | ||
| JP2006067498A JP2007239163A (en) | 2006-03-13 | 2006-03-13 | Air-jet loom |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101037823A true CN101037823A (en) | 2007-09-19 |
| CN101037823B CN101037823B (en) | 2011-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007100063068A Expired - Fee Related CN101037823B (en) | 2006-03-13 | 2007-02-01 | Air jet loom |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1835056A3 (en) |
| JP (1) | JP2007239163A (en) |
| CN (1) | CN101037823B (en) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH641507A5 (en) * | 1979-12-21 | 1984-02-29 | Rueti Te Strake Bv | AIR SUPPLY SYSTEM ON A PNEUMATIC WEAVING MACHINE. |
| JP2516375B2 (en) * | 1987-08-13 | 1996-07-24 | 津田駒工業株式会社 | Nozzle injection method |
| BE1003558A3 (en) * | 1989-09-19 | 1992-04-21 | Picanol Nv | BLOW device for weft threads in weaving machines. |
| BE1003686A3 (en) * | 1990-02-15 | 1992-05-19 | Picanol Nv | Device for feeding weft thread in air looms. |
| JP2894465B2 (en) * | 1992-04-07 | 1999-05-24 | 孝司 吉田 | Injection method and system in a dual nozzle air jet room |
| JPH0693533A (en) * | 1992-09-10 | 1994-04-05 | Toyota Autom Loom Works Ltd | Apparatus for controlling weft-insertion in jet loom |
| EP1288359A1 (en) * | 2001-09-03 | 2003-03-05 | Sulzer Textil Ag | Air jet loom and compressed air supply therefor |
| DE10209278A1 (en) * | 2002-03-01 | 2003-09-25 | Dornier Gmbh Lindauer | Process for ironing weft yarns which have not or only partially been woven, in particular synthetic filament weft yarns, and weaving machine for carrying out the process |
| JP2003268654A (en) * | 2002-03-14 | 2003-09-25 | Tsudakoma Corp | Weft-inserting device for air injection loom |
-
2006
- 2006-03-13 JP JP2006067498A patent/JP2007239163A/en active Pending
-
2007
- 2007-01-29 EP EP07001907A patent/EP1835056A3/en not_active Withdrawn
- 2007-02-01 CN CN2007100063068A patent/CN101037823B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2007239163A (en) | 2007-09-20 |
| EP1835056A2 (en) | 2007-09-19 |
| CN101037823B (en) | 2011-01-26 |
| EP1835056A3 (en) | 2009-05-13 |
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| PB01 | Publication | ||
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Granted publication date: 20110126 Termination date: 20120201 |