CN104846512B - Weft-inserting method for air-jet loom, and trajection promoter attachment device - Google Patents
Weft-inserting method for air-jet loom, and trajection promoter attachment device Download PDFInfo
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- CN104846512B CN104846512B CN201510071020.2A CN201510071020A CN104846512B CN 104846512 B CN104846512 B CN 104846512B CN 201510071020 A CN201510071020 A CN 201510071020A CN 104846512 B CN104846512 B CN 104846512B
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- yarn
- weft yarn
- weft
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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
-
- 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
- D03D47/12—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein single picks of weft thread are inserted, i.e. with shedding between each pick
- D03D47/24—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein single picks of weft thread are inserted, i.e. with shedding between each pick by gripper or dummy shuttle
- D03D47/25—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein single picks of weft thread are inserted, i.e. with shedding between each pick by gripper or dummy shuttle inserted from only one side of loom
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03J—AUXILIARY WEAVING APPARATUS; WEAVERS' TOOLS; SHUTTLES
- D03J1/00—Auxiliary apparatus combined with or associated with looms
- D03J1/04—Auxiliary apparatus combined with or associated with looms for treating weft
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03J—AUXILIARY WEAVING APPARATUS; WEAVERS' TOOLS; SHUTTLES
- D03J5/00—Shuttles
- D03J5/06—Dummy shuttles; Gripper shuttles
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Looms (AREA)
Abstract
The invention provides a weft-inserting method for an air-jet loom, which comprises the steps of attaching a trajection promoter larger than weft yarns in surface area per unit weight onto the distal end portion of the weft yarns before the weft inserting process; and inserting the weft yarns attached with the trajection promoter.
Description
Technical field
The present invention relates to be used for the Weft insertion method of air-jet loom and walk promotion body attachment.
Background technology
In recent years, it is being increasingly employed air-jet loom to improve weaving speed and efficiency.
Air-jet loom performs wefting insertion by using the high-pressure injection streaming weft yarn ejected from nozzle.Work as air-jet loom
Weft yarn be such as monofilament yarn (monofilament yarn) and metallic fiber etc the very little yarn of windage resistance
When, weft yarn possibly cannot be walked along fabric width in reed path so that interruption of weaving.When the weft yarn of air-jet loom is such as
Flat yarn (flat yarn；Flat yarn) and strong twisted yarn (hard twist yarn) etc windage resistance ratios by rubbing with the hands
The less multifilament (multifilament yarn) of the spun yarn (spun yarn) twisting with the fingers thin chopped fiber and formed, or such as
During the yarn rigid with higher fiber of hemp yarn (hemp yarn) etc, weft yarn may be worn with sufficient speed
OK.This may make the operating of loom stop or significantly increase specific air consumption.
In order to avoid such problem, such as disclosed Japanese patent application 51-92352 and 58-163758, one is disclosed
Plant weft insertion system and Weft insertion method.' No. 352 application discloses a kind of weft insertion system that spherical solid content is bonded to weft yarn.Should
The size of solid content is the decades of times of diameter of the weft yarn.Weft yarn is connected by weft yarn jet fluid (air or water).' 758
A number number application discloses a kind of Weft insertion method in loom, and wherein jet fluid carries weft yarn in wefting insertion.In the method, latitude
The remote area of yarn is for example deformed by bending before wefting insertion, so that weft yarn is able to from the propulsive force received by jet fluid
Increase.The length of the remote area for being deformed must not exceed the length of the weft yarn selvedge that will be discarded.
The system applied such as ' No. 352, when being bondd several times in the spherical solid content of diameter of the weft yarn, quilt
The other parts of weft yarn that will connect of part ratio of spherical solid content of boning have the weight of bigger per unit length.This meeting
Weft yarn is hindered to walk as the crow flies.When the remote area that weft yarn is made as the application of ' No. No. 758 deforms, compared to straight latitude
Yarn propulsive force during weft yarn is walked for yarn increased.But, using such as monofilament yarn and metallic fiber etc
The very little yarn of windage resistance, or such as flat yarn and strong twisted yarn etc with the windage less than spun yarn
During the yarn of resistance, it is difficult to reduce in order to the specific air consumption required for yarn propulsive force is maintained during weft yarn is walked.
The content of the invention
It is an object of the invention to provide a kind of Weft insertion method for air-jet loom and promotion body attachment is walked,
Even if weft yarn is monofilament yarn or metallic fiber also to allow to be weaved, even and if weft yarn is flat yarn, strong twisted yarn or hemp yarn
Allow with less specific air consumption to be weaved.
In order to achieve the above object and according to an aspect of the present invention, there is provided the wefting insertion side in a kind of air-jet loom
Method, which includes：Walk promotion body of the surface area of per unit weight more than weft yarn is attached to into the remote of the weft yarn before wefting insertion
End；Described walking promotes the weft yarn of body to perform wefting insertion to attaching.
According to another aspect of the present invention, there is provided in a kind of air-jet loom walking promotion body attachment, wherein, will
The distal portion of walking the weft yarn that promote body be attached to wefting insertion before of the surface area of per unit weight more than weft yarn.
According to combining the description below carried out by accompanying drawing, and in an illustrative manner illustrating the principle of the present invention,
Other aspects and advantages of the present invention will become clear from.
Description of the drawings
It is by referring to the description below of the present preferred embodiment together with accompanying drawing, of the invention together with its purpose and excellent
Point most preferably will be understood together.In figure：
Fig. 1 is the perspective schematic view of the air-jet loom for illustrating first embodiment;
Fig. 2 is the cross sectional side view of the position relationship between dent and auxiliary jet in the air-jet loom for illustrate Fig. 1;
Fig. 3 is the schematic diagram of the feed path of the compressed air to nozzle in the air-jet loom for illustrate Fig. 1；
Fig. 4 is to have illustrated in distal portion attaching the schematic diagram for walking the weft yarn for promoting body；
Fig. 5 is the part sectility front view of the structure of the attachment of the air-jet loom for schematically showing Fig. 1；
Fig. 6 is the part sectility front view of the operation of the attachment for illustrating Fig. 5；
Fig. 7 is the part sectility front view of the operation of the attachment for illustrating Fig. 5；
Fig. 8 is weft yarn when representing that wefting insertion starts and walks the front view for promoting body;
Fig. 9 is the perspective schematic view of the attachment for illustrating second embodiment；
Figure 10 is the schematic diagram of the attachment for illustrating Fig. 9；
Figure 11 is to illustrate the schematic diagram for walking the weft yarn for promoting body has been fused in distal portion by the attachment of Fig. 9；
Figure 12 is to illustrate to walk to promote the surface area of body to push away with the weft yarn obtained using the auxiliary jet in Profiled Reed path
The chart of the relation entered between power；
Figure 13 is to illustrate the chart for walking the relation that the weight and weft yarn that promote body are walked between ability；And
Figure 14 is the perspective schematic view of the attachment for illustrating the 3rd embodiment.
Specific embodiment
First embodiment
The first embodiment of the present invention is described now with reference to Fig. 1 to Fig. 8.
As shown in figure 1, air-jet loom includes weft insertion system, the weft insertion system includes：The main burner 11A of two wefting insertion,
11B, is laid in separate nozzle 12A, 12B of the upstream side of 11A, 11B respectively, and is laid under main burner 11A, 11B
The auxiliary jet 13 of multiple wefting insertion of trip side.Separate nozzle 12A, 12B are by the framework or floor surface for being attached to air-jet loom
Support etc. being fixed.
Main burner 11A, 11B and auxiliary jet 13 are laid on slay (sley) 15, and the slay 15 is fixed to pivot 14
And the reciprocating rotation on the fore-and-aft direction of air-jet loom.Profiled Reed (profile reed) 16 is fixed on slay 15.It is different
Shape reed 16 includes the multiple dents (reed dent) 17 being laid on wefting insertion direction.As shown in Fig. 2 the guiding of dent 17 is recessed
Portion 17a forms the reed inner gateway (reed channel) 18 for connecting path and working as weft yarn Y.Auxiliary jet 13 is along drawing
Latitude path is spaced apart from each other, so that the end face of auxiliary jet 13 is against reed inner gateway 18.In FIG, dent 17 is partially removed.
As shown in figure 3, making main burner switching valve 19A be connected to main burner 11A respectively by single pipe arrangement 21, main jet is made
Mouth switching valve 19B is connected to main burner 11B, makes separate nozzle switching valve 20A be connected to separate nozzle 12A, and makes string
Column nozzle switching valve 20B is connected to separate nozzle 12B.Switching valve 19A, 19B, 20A and 20B are connected by common pipe arrangement 22
To main tank (main tank) 23.Controller it is (not shown) control switching valve 19A, 19B, 20A and 20B with control compressed air from
The injection timing of each main burner 11A, 11B and separate nozzle 12A, 12B.In the first embodiment, to switching valve 19A,
19B, 20A and 20B are controlled, so that using the wefting insertion of main burner 11A and separate nozzle 12A and using main burner 11B
Alternatively carry out with the wefting insertion of separate nozzle 12B.
Weft insertion system includes multigroup auxiliary jet 13 that three is a group.And, weft insertion system includes and every group of auxiliary jet 13
Associated auxiliary jet switching valve 24.Three auxiliary jets 13 in each group are connected respectively to associated by single pipe arrangement 25a
Auxiliary jet switching valve 24.Switching valve 24 is connected to assistant tank (sub-tank) 26 by common pipe arrangement 25b.Controller (not shown)
These switching valves 24 are controlled to be sequentially opened and closed from upstream side with predetermined timing during wefting insertion.So as to auxiliary jet
13 taking over the injection stream that mode sprays compressed air.
As shown in figure 1, laying drum-type weft yarn stockpile device 27A, 27B respectively in the upstream side of separate nozzle s12A, 12B.
Each weft yarn stockpile device 27A, 27B include weft yarn winding pipe 28.Each weft yarn winding pipe 28 is supplied to from for yarn portion (not shown)
Weft yarn Y wind and stored around linear measure longimetry drum 29.Each weft yarn stockpile device 27A, 27B include can be towards and away from correlation
The engaging pin 30 that the linear measure longimetry drum 29 of connection is moved.In order to start discharge weft yarn Y, make each engaging pin 30 move and
It is disengaged with the linear measure longimetry drum 29 being associated and separates from drum 29.When discharging weft yarn Y's from linear measure longimetry drum 29
One when connecting length, the engaging pin 30 separated from linear measure longimetry drum 29 measures drum 29 to prevent weft yarn Y's with regard to bonding length
Release.
Between separate nozzle 12A and weft yarn stockpile device 27A and separate nozzle 12B and weft yarn stockpile device 27B it
Between lay weft brake (weft brake) 31.Each weft brake 31 includes weft yarn guide 32, the weft yarn guide
32 guide the weft yarn Y supplied from associated weft yarn stockpile device 27A, a 27B to an associated separate nozzle
12A、12B.Each weft brake 31 includes a pair of engaging bar 34a, 34b, its can weft yarn guide 32 be associated
Engage with weft yarn Y between the weft yarn introducing port 33 of separate nozzle 12A, 12B.Each pair engagement bar 34a, 34b can be
Allow to move between shift position and restriction site, the permission shift position is allowed from an associated weft yarn stockpile device
The movement of the weft yarn Y supplied by 27A, 27B, the restriction site then limit the movement of weft yarn Y.
The side that connects of air-jet loom is laid with woof-cutter 36 beside the fabric-fell.Woof-cutter 36 be breaking at woven fabric W and
Connected and through the weft yarn Y of impact by Profiled Reed 16 between main burner 11A, 11B.Walk promotion body attachment 40 to be laid
Between main burner 11A, 11B and woof-cutter 36.Attachment 40 will walk the distal portion for promoting body 41 to be attached to weft yarn Y.Wear
Row promotes body 41 to have the surface area of the per unit weight more than weft yarn Y.
As shown in figure 4, first embodiment walk promote body 41 be shaped as banding and for example made by flat yarn 42
Into the flat yarn 42 is the non-woven for having minute asperities on its surface.It is its thickness that phrase " being shaped as banding " is finger widths
Decades of times or bigger flat pattern.Walk promotion body 41 to be made up of the flat yarn of two panels 42, and including forming fused portion 43
Hospital areas (proximal end region).Weft yarn Y is sandwiched centre by the flat yarn 42 of two panels, and fused portion 43 is co-melted the distal portion of weft yarn Y.
In other words, walk the distal portion for promoting body 41 that weft yarn Y is co-melted in the way of wrapping into weft yarn Y.Flat yarn 42 is by relative
The thermosetting resin melted under low temperature is formed.
As shown in figure 5, attachment 40 includes ways 44a, 44b, its it is facing with each other in the vertical direction and in
Between clip the threaded pass of the weft yarn Y connected by main burner 11A, 11B.The distance between ways 44a, 44b are substantially etc.
In the external diameter of the accelerating tube 35 of main burner 11A, 11B.As shown in Figure 11, ways 44a, 44b are with U-shaped cross section
A part of part of attachment 40.
Flat yarn supply unit 45a, guide base 46a and feed roller 47a are laid with above upper ways 44a.It is oriented to
Pedestal 46a and feed roller 47a guides the flat yarn 42 supplied from flat yarn supply unit 45a to ways 44a.Ways
44a is closer to the part of woof-cutter 36 includes gathering sill 48a, and gathering sill 48a is flat by what is supplied from flat yarn supply unit 45a
Yarn 42 is guided to the gap between ways 44a, 44b.
Flat yarn supply unit 45b, guide base 46b and feed roller 47b are laid with below lower ways 44b.It is oriented to
Pedestal 46b and feed roller 47b guides the flat yarn 42 supplied from flat yarn supply unit 45a to ways 44b.Each flat yarn is supplied
Include being wrapped the spool (reel) of flat yarn 42 to portion 45a, 45b.Ways 44b is closer to the part of woof-cutter 36 to be included
Gathering sill 48b, gathering sill 48b guide the flat yarn 42 supplied from flat yarn supply unit 45a between ways 44a, 44b
Gap.
Cutter 49a is laid near the upper surface of ways 44a.Cutter 49a thermal cut-outs are by gathering sill 48a institutes
The flat yarn 42 of guiding.Cutter 49b is laid near the lower surface of ways 44b.Cutter 49b thermal cut-outs are by gathering sill
The flat yarn 42 guided by 48b.
Having heaters 50 is laid in lower ways 44b contrary with woof-cutter 36A side.Heater 50 it is a part of sudden and violent
It is exposed to the upper surface of ways 44b.Upper ways 44a is cut off facing to the part of heater 50.Cylinder 51 is vertical
Extend in the top of ways 44a.Cylinder 51 is configured to the distal surface of the piston rod 51a when piston rod 51a is projected
The upper surface of pressing heater 50.The distal surface of piston rod 51a is made by definite shape, so that when flat yarn 42 is configured in this
Between the upper surface of distal surface and heater 50 and during sandwich weft yarn Y, can be on its whole width by flattening yarn 42.
Then by the action of description attachment 40 and the wefting insertion of air-jet loom.
The flat yarn 42 supplied from respective flat yarn supply unit 45a, 45b is held in position of readiness, under position of readiness
End of the end face of flat yarn 42 against respective gathering sill 48a, 48b.When weft yarn Y is not located between ways 44a, 44b
When, attachment 40 supplies flat yarn 42 from flat yarn supply unit 45a, 45b by driving feed roller 47a, 47b.As shown in figure 5, flat
The distal end of yarn 42 is through respective gathering sill 48a, 48b and is placed on ways 44a, 44b and 36 opposition side of woof-cutter
End.That is, the distal end of flat yarn 42 is alignd with heater 50.Suction device holding (not shown) is by upper ways 44a
The end of the flat yarn 42 for being guided is in order to avoid sagging.
When previous wefting insertion is terminated in the above-described state, main burner 11A and Profiled Reed 16 are pivoted to together with slay 15 and are hit
Beat position (beat up position).As shown in figure 5, this that weft yarn Y is positioned over two panels between ways 44a, 44b is flat
Between yarn 42.Then, as shown in fig. 6, drive cylinder 51 declines piston rod 51a.This is just sandwiched between flat yarn 42 in weft yarn Y
In the state of the close end of upper and lower two panels flat yarn 42 is fused together.The flat yarn 42 of two panels walks promotion body 41 by heat fused
The distal portion of weft yarn Y is attached to, and weft yarn Y is enclosed wherein.In addition, being moved heated cutter 49a, 49b
It is dynamic and the entrance in gathering sill 48a, 48b of respective ways 44a, 44b touches respective flat yarn 42.Cutter
Flat yarn 42 is melted and is cut to predetermined length by 49a, 49b.
Then, as shown in fig. 7, drive cylinder 51 makes piston rod 51a return to position of readiness.In addition, spraying positioned at tandem
The weft brake 31 of the upstream side of mouth 12A will be walked the weft yarn Y that promotes body 41 in distal portion attaching and be pulled back.This will make to wear
Row promotes body 41 to be temporarily positioned in the accelerating tube 35 of main burner 11A.Main burner 11A and separate nozzle 12A are in this condition
Carry out standby until next wefting insertion.
When by nozzle 11A and 12A complete a wefting insertion and to weft yarn Y attachings walk promotion body 41 when, nozzle 11B and
12B is done in the same fashion wefting insertion and walks promotion body 41 to weft yarn Y attachings.In main burner 11B and separate nozzle 12B
During carrying out wefting insertion, for main burner 11A and separate nozzle 12A weft yarn stockpile device 27A as required for next wefting insertion
Length is storing weft yarn Y.
When next wefting insertion starts, the engaging pin 30 of weft yarn stockpile device 27A is made to move and take off with linear measure longimetry drum 29
Separate from engagement and from drum 29.In addition, weft brake 31 moves to the position for allowing weft yarn Y to move.Meanwhile, main burner
11A and separate nozzle 12A eject compressed air.As shown in figure 8, jet-stream wind will walk promotion body in distal portion attaching
In the reed inner gateway 18 that 41 weft yarn Y is taken in Profiled Reed 16.Auxiliary jet 13 ejects compressed air to take over mode, by weft yarn
Y be sent to woven fabric W with the end for connecting side opposite side.Then, weft yarn Y attachings are walked and promote the part of body 41 to make
Selvedge to discard is cut off from woven fabric W.
Nozzle 11B and 12B carries out wefting insertion in the way of similar to nozzle 11A and 12A.Promote body 41 by attaching walking
To after the distal portion of weft yarn Y, weft yarn Y is retracted by associated weft brake 31, so that it is temporary transient to walk promotion body 41
It is placed in the accelerating tube 35 of main burner 11B.
In an identical manner, alternatively repeat using nozzle 11A and 12A wefting insertion and walk promotion body 41 to latitude
The attaching of yarn Y and the wefting insertion using nozzle 11B and 12B and walk promotion attaching of the body 41 to weft yarn Y.This just forms woven
Thing W.
Before air-jet loom starts running, operator will walk promotion body 41 and be attached to what is connected by nozzle 11A and 12A
The distal portion of the distal portion of weft yarn Y and the weft yarn Y connected by nozzle 11B and 12B.
First embodiment has following advantages.
(1) Weft insertion method of present embodiment has been connected in distal portion attaching and has walked the weft yarn Y for promoting body 41.Walk promotion
Body 41 has the surface area of the per unit weight more than weft yarn Y.Walk promotion body 41 to increase the spinning acted on weft yarn Y and push away
Enter power.Accordingly even when weft yarn Y is monofilament yarn, metallic fiber etc. can also be weaved.Even if in addition, weft yarn Y is flat yarn, heavy twist
Yarn or hemp yarn can also reduce specific air consumption when weaving.
(2) before weft yarn Y is connected, the surface area of per unit weight is walked promotion body more than weft yarn Y by attachment 40
41 distal portion for being attached to weft yarn Y.Walk promotion body 41 to increase in weft yarn Y is connected and walk propulsive force.Accordingly even when weft yarn Y is
Monofilament yarn, metallic fiber etc. can also be weaved.Even if in addition, weft yarn Y is flat yarn, strong twisted yarn or hemp yarn can also drop
Specific air consumption during low weaving.
(3) walk the shape image-tape shape for promoting body 41.This is easy to surface area the wearing more than weft yarn Y for preparing per unit weight
Row promotes body 41.Further, the promotion body 41 of walking being wrapped on spool discharges from spool off and on and is cut into predetermined
Length.This is easy to walk the keeping and process that promote body 41.
(4) walk the distal portion for promoting body 41 to be attached to weft yarn Y in the way of wrapping into weft yarn Y by heat fused.It is different
This structure in side of weft yarn Y is co-melted in single flat yarn 42, in this configuration, composition is walked and promotes the two panels of body 41 flat
Yarn 42 is fused together and is involved in weft yarn Y.This will prevent from walking promotion body 41 in way is connected from weft yarn Y separation, it is allowed to
Stable wefting insertion.
(5) attachment 40 includes flat yarn supply unit 45a, 45b, and which includes the spool for being wound with flat yarn 42.Between flat yarn 42
Discharge from spool with having a rest and predetermined length is cut into by respective cutter 49a, 49b.This is easy to walk the guarantor for promoting body 41
Pipe and process.
(6) attachment 40 will be walked between the woof-cutter 36 of main burner 11A, 11B and air-jet loom and be promoted body 41 attached
It is attached to weft yarn Y.Body 41 is promoted to be attached to this knots of weft yarn Y with walking before weft yarn Y is fed into main burner 11A or 11B
Structure compares, and this reduces the length of the selvedge of the weft yarn Y for going out of use.
(7) the associated flat yarn 42 of cutter 49a, 49b thermal cut-outs.Compared with the situation of flat yarn 42 is cut off with blade
Compared with this just can guarantee the fast shut-off of flat yarn 42 with simple structure.
(8) promote after body 41 is attached to the distal portion of weft yarn Y walking, weft brake 31 is by weft yarn Y-direction post-tensioning
Return.Walk promotion body 41 to be temporarily placed in the accelerating tube 35 of respective main burner 11A, 11B.According to open fire it is identical
Principle, this significantly increased from main burner 11A, 11B jet compression air when weft yarn propulsive force, can realize drawing at a high speed
The attenuating of latitude and compressed air consumption.
Second embodiment
Second embodiment is described now with reference to Fig. 9 to Figure 13.Second embodiment is different from first embodiment
Part be：Fibril (fibrillation) is formed using by making many filament structure yarns (multifilament textured yarn)
And walking for being formed promotes body 141.
Certainly, the structure of the attachment 40 for promoting body 141 to be attached to weft yarn Y will be walked also different from first embodiment
In attachment 40.Similar or identical label is endowed with the corresponding component identical part of first embodiment.So
Part no longer will be been described by detail.
With reference to Fig. 9, attachment 40 includes 57 structures of two groups of yarn bobbins (yarn bobbin) 56 and electrostatic fibrillation device
Into group (only illustrating a group in fig .9).Many filament structure yarns 55 are wrapped on each yarn bobbin 56, and associated
Electrostatic fibrillation device 57 makes from yarn bobbin 56 the structure yarn 55 for being supplied carry out fibrillation (fibrillate).Two groups of yarn bobbins
56 and electrostatic fibrillation device 57 be laid in the weft yarn Y connected by main burner 11A, 11B threaded pass both sides up and down, and
And sandwich threaded pass.In fig .9,56 He of that group of yarn bobbin of the upside of the threaded pass positioned at weft yarn Y not shown
Electrostatic fibrillation device 57.
Block element 58 is laid in the lower section of the threaded pass of weft yarn Y between main burner 11A, 11B and woof-cutter 36.Block unit
Part 58 includes the heater 50 being exposed on the surface of block element 58.Guide base 60b and feed roller 61b are laid in down quiet
Between electric fibrillation device 57 and block element 58.Guide base 60b and feed roller 61b is by by 57 fibrillations of lower electrostatic fibrillation device
Fibrillated yarn 59 is guided to the upper surface of block element 58.Expose part and the block element of heater 50 on the surface of block element 58
58 in the face of the distance between ends of guide base 60b more than the exposed portion and block element 58 away from guide base 60b end
The distance between portion.In other words, the exposed portion of heater 50 in the direction of feed of fibrillated yarn 59 towards downstream from block
Centre on the upper surface of element 58 deviates.Can with a fibrillated yarn 59 for walking length required for promotion body 141 is formed
To be placed on the upper surface of block element 58.Block element 58, lower guide base 60b, 57 quilt of feed roller 61b and electrostatic fibrillation device
It is arranged so that fibrillated yarn 59 is extended obliquely out relative to weft yarn Y.In addition, in order to prevent between yarn bobbin 56 and woven fabric W
Interfere, structure yarn 55 is supplied to electrostatic fibrillation on the inclined direction in direction extended relative to fibrillated yarn 59 by yarn bobbin 56
Device 57.
O 62 is configured in the top of block element 58.O 62 includes push rod 62a, push rod 62a
Extend in the vertical direction and the distal surface with the upper surface that heater 50 is pressed when push rod 62a is projected.Push rod 62a
Distal surface be shaped as when between the upper surface that fibrillated yarn 59 is placed on the distal surface and heater 50 and middle
When clipping weft yarn Y, the remote area of fibrillated yarn 59 is pressed on its whole width.
Supporting member 63 is fixed to fibrillated yarn cutter 64 on push rod 62a.In the middle of push rod 62a will be on block element 58
Clip the fibrillated yarn 59 of weft yarn Y against block element 58 pressed when, 64 thermal cut-out of fibrillated yarn cutter is in block element 58 and leads
To the fibrillated yarn 59 between pedestal 60b.
Guide base 60a and feed roller 61a are laid between electrostatic fibrillation device 57 and block element 58.Guide base
60a and feed roller 61a will be guided to the upside of block element 58 by the fibrillated yarn 59 of electrostatic fibrillation 57 fibrillations of device.Such as Figure 10 institutes
Show, upper guide base 60a and feed roller 61a is parallel to lower guide base 60b and feed roller 61b.Upper guide base 60a includes leading
To component 65, the upper fibrillated yarn 59 of the guiding of ways 65 is so that the fibrillated yarn 59 of the upper side and lower side cooperates with clamping latitude jointly
Yarn Y.
In this second embodiment, attachment 40 using associated electrostatic fibrillation device 57 by electrostatic interaction come fine
The structure yarn 55 supplied from each yarn bobbin 56 by change.This be generated as comprising many layer of air and expand as fluffy cotton seemingly
Fibrillated yarn 59.Feed roller 61a and 61b is placed on respective fibrillated yarn 59 on block element 58.The distal end of fibrillated yarn 59 with plus
The end part aligning of the exposed portion of hot device 50, the end is away from guide base 60a and 60b.In suction device (not shown) holding
The distal end of fibrillated yarn 59 is in order to avoid sagging.
After terminating in previous wefting insertion, when main burner 11A and Profiled Reed 16 are pivoted to impact position together with slay 15,
Weft yarn Y is sandwiched between two fibrillated yarns 59 as shown in Figure 10.Then, o 62 is driven to make push rod 62a and fibrillated yarn
Cutter 64 declines.So as to, in the state of weft yarn Y is sandwiched in upper and lower two fibrillated yarns, 59 centre, 50 heat fused two of heater is fine
Change the distal portion of silk 59.In addition, fibrillated yarn cutter 64 is by 59 thermal cut-out of fibrillated yarn between block element 58 and guide base 60b
To predetermined length.So as to as shown in figure 11, walking promotion body 141 and be attached to latitude by heat fused in the way of wrapping into weft yarn Y
The distal portion of yarn Y.
Then, push rod 62a and fibrillated yarn cutter 64 return to position of readiness.Promotion body is walked in distal portion attaching
The weft brake 31 of upstream sides of the 141 weft yarn Y by separate nozzle 12A be pulled come.It is temporary that this will walk promotion body 141
When be placed in the accelerating tube 35 of main burner 11A.When weft yarn Y is fused to, fibrillated yarn 59 is oblique relative to the longitudinal direction of weft yarn Y
Ground extends.However, when in the accelerating tube 35 for being placed on main burner 11A, walking promotion body 141 enterprising in weft yarn moving direction
Row extends so that walking and promotes the end contrary with fused portion 43 of body 141 to be placed along the distal side of weft yarn Y, this be because
There is the reason of relatively low fiber rigidity for fibrillated yarn 59.
When next wefting insertion is started, the engaging pin 30 of weft yarn stockpile device 27A is moved and is departed from linear measure longimetry drum 29
Engage and separate from drum 29.Additionally, weft brake 31 moves to the position for allowing weft yarn Y to move.Meanwhile, main burner
11A and separate nozzle 12A eject compressed air.Then, jet-stream wind will be walked in distal portion attaching and promote body 141
The yarn that weft yarn Y is taken in Profiled Reed 16 is walked in path.Weft yarn Y is passed by auxiliary jet 13 with taking over mode jet compression air
Be sent to woven fabric W with the end for connecting side opposite side.
Nozzle 11B and 12B perform wefting insertion as described above in the same way and walk promotion body 141 to the attached of weft yarn Y
Dress.Nozzle 11A, 12A and nozzle 11B, 12B alternatively repeat to walk promotion body 141 in the same way to the attached of weft yarn Y
Dress and wefting insertion.This just forms woven fabric W.
Embodiment
In order to evaluate and by shape and material different all embodiments walk promotion body 41,141 be attached to it is various types of
On the weft yarn of type.Figure 12 illustrates surface area and the relation between the propulsive force applied by the auxiliary jet 13 of reed inner gateway 18.Figure
13 relations walked between ability for illustrating the weft yarn walked in the weight and Profiled Reed path that promote body.
Table 1 illustrates that what is be evaluated walks the surface area of the shape, material, weight, surface area and the Unit Weight that promote body.
Table 2 illustrates the species (that is, material and thickness) of the weft yarn being evaluated, the weight per 1800mm length, surface area, surface area/weight
Amount and nominal diameter.
Table 1
Table 2
As shown in figure 12, propulsive force on weft yarn Y is acted on to walk the surface area A that promotes body 41,141 in direct ratio
Increase.Test shows preferably there is 100mm for walking and promoting body 41,1412Or bigger surface area.If worn
Row promotes the surface area of body 41,141 to be less than 100mm2If, then the improvement of yarn propulsive force is reduced, woven hydraulic performance decline.
Additionally, the attenuating effect of specific air consumption is also reduced.
As shown in figure 13, it is lighter walk promote the increase weft yarn of body 41 walk ability Y.Further, test shows for wearing
Row preferably has 20mg or less weight for promoting body 41,141.If walk promoting the weight of body 41,141 to be more than
If 20mg, then the distal portion of weft yarn Y becomes overweight.Thus, the traverse speed of the distal portion of weft yarn Y may be less than weft yarn Y
In the traverse speed of the part of the rear side of distal portion.This can hinder to walk the effect for promoting body 41,141 to be obtained by attaching
Really.
In addition to the advantage (1), (2) and (4) to (8) of first embodiment, second embodiment also provides following excellent
Point.
(9) walk and promote body 141 to be the fibrillated yarn 59 by being formed 55 fibrillation of structure yarn.In this structure, often
The surface area of Unit Weight walks promotion body more than banding.Thus, it becomes possible to obtain in the case of less specific air consumption
Yarn propulsive force required for walking for weft yarn Y.
3rd embodiment
3rd embodiment is described now with reference to Figure 14.In place of 3rd embodiment is different from first embodiment
It is：Between separate nozzle 12A and main burner 11A and between separate nozzle 12B and main burner 11B carry out walking rush
Enter body 41 to the attaching of weft yarn Y.Similar or identical label be endowed with the corresponding component identical of first embodiment those
Part.Such part no longer will be been described by detail.
As shown in figure 14, attachment 40 is laid in the distal portion of each separate nozzle 12A, 12B.Make accelerating tube 35
Shorten so that main burner 11A, 11B are with the total length more shorter than first embodiment.Increase filar guide (thread guide)
37 internal diameter promotes walking for body 41 so that will not hinder and walk.
In addition to the advantage (1) to (5) of first embodiment and (7) and (8), the 3rd embodiment also provides following excellent
Point.
(10) between separate nozzle 12A and main burner 11A and between separate nozzle 12B and main burner 11B
Carry out walking the attaching for promoting body 41 to the distal portion of weft yarn Y.With enter between the distal end of main burner 11A, 11B and woof-cutter 36
Row is walked promotion body 41 and is compared to this structure of attaching of the distal portion of weft yarn Y, in this configuration, promotes 41 quilt of body when walking
Reduce the shake of the distal portion of weft yarn Y when being attached to the distal portion of weft yarn Y, and weft yarn Y distal portion it is static longer when
Between.Thus, during loom single is pivoted, more times can be made to be used for walking promotion body 41 and to be attached to weft yarn Y
Distal portion, and the speed of loom can be improved.
First to the 3rd embodiment is not limited to above-mentioned configuration, enforcement of for example such as can also getting off.
In the first and second embodiments, after the distal portion of weft yarn Y being attached to promotion body 41,141 is walked,
Main burner 11A, 11B are compressed the injection of air, and without pulling back respective weft yarn Y so as to walk promotion body 41,141
It is placed in the accelerating tube 35 of main burner 11A, 11B.
The group of the group and nozzle 11B, 12B of nozzle 11A, 12A can alternatively connect different types of weft yarn Y, and not
It is alternatively to connect same kind of weft yarn Y.Alternately, one species or different types of weft yarn Y can randomly be connected.
Air-jet loom can only include one group of main burner 11A and separate nozzle 12A, rather than including main burner 11A,
11B and separate nozzle 12A, 12B.
Cutter 49a, 49b and the flat yarn 42 of 64 thermal cut-out of fibrillated yarn cutter or fibrillated yarn 59.But, the present invention not
It is limited to this structure, cut-out can also be realized by blade.
In this second embodiment, many filament structure yarns 55 are made to be able to fibrillation by the electrostatic force of electrostatic fibrillation device 57.
Fibrillated yarn 59 so through fibrillation is attached on weft yarn Y.Alternately, it is possible to use beforehand through making 55 fibrillation of structure yarn
The fibrillated yarn 59 for being formed.In this case, attachment 40 avoids the need for electrostatic fibrillation device 57.
In the above-described embodiment, flat yarn 42 and structure yarn 55 have multiple promotion bodies 41 and multiple of walking of predetermined length
Walk the length for promoting body 141.Promote after body 41,141 is attached to the distal portion of weft yarn Y walking, flat yarn 42 and structure yarn
55 are cut into predetermined length.But, can also use be cut into predetermined length in advance to walk promotion body.In such case
Under, in this way it is no longer necessary to cutter 49a, 49b and fibrillated yarn cutter 64.
Can be formed and walk promotion body by flat yarn 42 and fibrillated yarn 59 are combined.In other words, can be just by
Flat yarn 42 and fibrillated yarn 59 are fused to the distal portion of weft yarn Y so that the distal portion of weft yarn Y is clipped in the middle.
The method for walking the distal portion for promoting body 41 to be attached to weft yarn Y is not limited to into heat fused.May be used also if necessary
To use the attachment methodology of such as mechanical type method etc.
Thus, the present embodiment and embodiment should be considered as illustrative and not restrictive and of the invention
Details given herein is not limited to, and can be to be improved in the equivalent and scope of claims.
Claims (5)
1. the Weft insertion method in a kind of air-jet loom, the method comprising the steps of：
Body is promoted to be attached to the distal portion of the weft yarn before wefting insertion more than walking for weft yarn the surface area of per unit weight；With
And
Described walking promotes the weft yarn of body to perform wefting insertion to attaching；
Characterized in that,
Described walking promotes body to be shaped as with the decades of times or bigger flat belt-like that width is its thickness, or described wears
It is fibrillated yarn that row promotes body.
2. Weft insertion method according to claim 1, it is characterised in that：The promotion body of walking is to wrap into the side of the weft yarn
Formula is attached to the distal portion of the weft yarn by heat fused.
3. Weft insertion method according to claim 1, it is characterised in that：The air-jet loom main burner and woof-cutter it
Between carry out described walking promotion attaching of the body to the weft yarn.
4. Weft insertion method according to claim 1, it is characterised in that：In the separate nozzle and main jet of the air-jet loom
Described walking is carried out between mouth and promotes attaching of the body to the weft yarn.
5. it is a kind of to promote body attachment for walking for air-jet loom, including the surface area of per unit weight wearing more than weft yarn
Row promotes body, the distal portion for promoting body to be attached to the weft yarn of walking to be used for wefting insertion；
Characterized in that,
Described walking promotes body to be shaped as with the decades of times or bigger flat belt-like that width is its thickness, or described wears
It is fibrillated yarn that row promotes body.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014025478A JP6190285B2 (en) | 2014-02-13 | 2014-02-13 | Weft inserting method and weft flying promotion body mounting apparatus in air jet loom |
| JP2014-025478 | 2014-02-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104846512A CN104846512A (en) | 2015-08-19 |
| CN104846512B true CN104846512B (en) | 2017-04-12 |
Family
ID=52432675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510071020.2A Expired - Fee Related CN104846512B (en) | 2014-02-13 | 2015-02-11 | Weft-inserting method for air-jet loom, and trajection promoter attachment device |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2915911B1 (en) |
| JP (1) | JP6190285B2 (en) |
| CN (1) | CN104846512B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106757690A (en) * | 2017-01-15 | 2017-05-31 | 苏州大学 | One kind is without shuttle Weft insertion method |
| CN107313161B (en) * | 2017-07-14 | 2018-08-10 | 浙江理工大学 | Based on the continuous wefting insertion serging device and its Weft insertion method in three-dimensional ring braider |
| JP7409770B2 (en) * | 2018-12-28 | 2024-01-09 | 株式会社バンダイナムコエンターテインメント | Game systems, programs and terminal devices |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2982315A (en) * | 1956-09-05 | 1961-05-02 | Wille Rudolf | Pneumatic weaving method |
| US4046174A (en) * | 1976-02-25 | 1977-09-06 | Weuger Karl W | Pneumatic loom |
| US4494577A (en) * | 1980-06-24 | 1985-01-22 | Elitex, Koncern Textilniho Strojirenstvi | Weft inserting device for jet looms |
| CN1836064A (en) * | 2003-07-17 | 2006-09-20 | Te斯特雷克纺织品有限公司 | Weaving device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5192352A (en) * | 1975-02-03 | 1976-08-13 | ||
| JPS58163758A (en) * | 1982-03-24 | 1983-09-28 | 株式会社豊田自動織機製作所 | Wefting method in fluid jet type loom |
| JPS61167053A (en) * | 1985-01-21 | 1986-07-28 | 株式会社豊田自動織機製作所 | Wefting apparatus in fluid jet type loom |
-
2014
- 2014-02-13 JP JP2014025478A patent/JP6190285B2/en not_active Expired - Fee Related
-
2015
- 2015-01-27 EP EP15152593.8A patent/EP2915911B1/en not_active Not-in-force
- 2015-02-11 CN CN201510071020.2A patent/CN104846512B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2982315A (en) * | 1956-09-05 | 1961-05-02 | Wille Rudolf | Pneumatic weaving method |
| US4046174A (en) * | 1976-02-25 | 1977-09-06 | Weuger Karl W | Pneumatic loom |
| US4494577A (en) * | 1980-06-24 | 1985-01-22 | Elitex, Koncern Textilniho Strojirenstvi | Weft inserting device for jet looms |
| CN1836064A (en) * | 2003-07-17 | 2006-09-20 | Te斯特雷克纺织品有限公司 | Weaving device |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2915911A3 (en) | 2015-10-28 |
| JP6190285B2 (en) | 2017-08-30 |
| JP2015151640A (en) | 2015-08-24 |
| EP2915911B1 (en) | 2017-08-16 |
| CN104846512A (en) | 2015-08-19 |
| EP2915911A2 (en) | 2015-09-09 |
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