CN101283133A - Weaving machine comprising pneumatic weft insertion - Google Patents

Weaving machine comprising pneumatic weft insertion Download PDF

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Publication number
CN101283133A
CN101283133A CNA2006800371378A CN200680037137A CN101283133A CN 101283133 A CN101283133 A CN 101283133A CN A2006800371378 A CNA2006800371378 A CN A2006800371378A CN 200680037137 A CN200680037137 A CN 200680037137A CN 101283133 A CN101283133 A CN 101283133A
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CN
China
Prior art keywords
loom
blow gun
weft
weft yarn
guide channel
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Pending
Application number
CNA2006800371378A
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Chinese (zh)
Inventor
弗朗西斯科·斯派克
欧文·迈耶
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Textilma AG
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Textilma AG
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Publication date
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Publication of CN101283133A publication Critical patent/CN101283133A/en
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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
    • D03D47/3006—Construction of the nozzles
    • D03D47/3013—Main nozzles
    • 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
    • D03D47/28—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
    • D03D47/3033—Controlling the air supply
    • D03D47/3046—Weft yarn selection

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
  • Coating Apparatus (AREA)

Abstract

The weaving machine comprises a pneumatic weft insertion. It is fitted with a weaving reed (12), wherein a guiding device (42) is associated with a guiding channel (40) for a weft thread (10).The guiding channel (10) comprising the weaving reed (12) can be pivoted between an insertion position and a stop position for the weft thread (10). Also, a fixed weft thread insertion device (8), which comprises at least two blast nozzles (22), is associated with the guiding channel (40) in the insertion position. A fixed blade (46) is used to cut the inserted weft thread (10). The blast nozzles (22) are pivotably mounted in the transversal direction (Q) counter to the blade (46) in order to improve the weaving machine and are connected by means of a motor drive device (28) in order to displace the blast nozzles (22) counter to the blade (46).

Description

The loom that has pneumatic weft insertion
Technical field
The present invention relates to the loom that has pneumatic weft insertion according to the upperseat concept of claim 1.
Background technology
The loom that has pneumatic weft insertion of the above-mentioned type is for example known from WO 97/13901.Loom has the reed of knitting, and knits reed and is associated with the guide device that has the guide channel that is used for weft yarn.Guide channel and knit reed and can swing for weft yarn introducing between position and the stop position.In addition, be associated with the Weft inserter of the fixed-site that has blow gun at the guide channel of introducing the position, that is, blow gun with knit that reed is irrespectively arranged and therefore do not influence the motion of knitting reed on the one hand, and self do not knitted the influence that reed moves on the other hand yet.Scissors is used to cut off the weft yarn of introducing.Blow gun is arranged swingably on short transverse and is driven by Patterning devices and return spring.By means of Patterning devices, two paired respectively blow guns are placed in the guide channel front, wherein only use a blow gun at every turn.Because scissors has cut off the weft yarn of introducing on the introducing position on the blow gun, the weft yarn of introducing must be kept until stopping edge by means of apparatus for fastening.Apparatus for fastening with knit that reed is associated and along with knitting the reed motion.But, apparatus for fastening is relatively complicated and be out of order easily.In addition, be relatively complicated equally by means of the control of the blow gun height of Patterning devices and only have limited flexibility and precision.
Have the loom of pneumatic weft insertion from WO 00/63464 A1 cicada, a plurality of blow guns of Weft inserter are arranged on short transverse swingably by means of driving arrangement in this loom, so that selectively blow gun is snapped to guide channel.Shortcoming is that Weft inserter on the pressing plate (Weblade) and the actuator that is used for mouth are arranged by fixed-site ground.This not only causes complicated driving, and also causes the inertia force that raises by pressing plate with the reciprocating motion of Weft inserter.This has influenced stop frequency.Acceleration force that combines with motion and delay power also influence the stability of Weft inserter unfriendly.In order to cut off the weft yarn of introducing, whole Weft inserter moves facing to cutting equipment together with pressing plate.There is not the swinging property of blow gun across short transverse.
The known another kind of loom that has pneumatic weft insertion from DE 30 14 776 A1 wherein, is arranged a plurality of blow guns of Weft inserter on short transverse and in a lateral direction, swingably so that selectable blow gun is snapped to guide channel.Weft inserter is arranged on the pressing plate, makes to have caused the shortcoming pointed out.Concrete driving about blow gun does not have existing specifying, and even does not have an interaction of any and any cutting equipment.
Summary of the invention
The technical problem to be solved in the present invention is to improve this paper and begin the loom that has pneumatic weft insertion that part is mentioned type.In addition, can abandon the shortcoming of not relevant on the other hand motion pressing plate overload on the one hand with WO 00/63464 A1 as the clamping solution among the WO 97/13901.
According to the present invention, the feature by claim 1 solves the technical problem that is proposed.By make blow gun support swingably facing to scissors in a lateral direction and is connected with oneself motorized motions equipment so as with the blow gun chosen so that mode is facing to the scissors motion accurately, the feasible weft yarn of being introduced in fact only just is cut off when the arrival scissors.Can carry out in the stop area that is breaking at weft yarn with the weft yarn introduced in this manner, making no longer needs apparatus for fastening.This has not only simplified loom, and has improved weft yarn and introduced precision.
The favourable structure of loom has been described in claim 2 to 9.
Particularly advantageous is structure according to claim 2, and in view of the above, driving arrangement is constructed to make and carries out in the zone that stops edge that is breaking at cloth (Warenbahn) of the weft yarn introduced.At this, weft yarn has been in home, makes that weft yarn also no longer may take place after cut-out to be moved.
By driving arrangement being constructed so that each blow gun to be used is approximate at least directed coaxially with guide channel in a lateral direction, improved the accuracy and the safety in operation of loom according to claim 3.
Especially, if use blow gun stacked on short transverse, then the structure according to claim 4 has advantage, and in view of the above, blow gun further supports swingably and can drive across horizontal direction on short transverse.This driving can realize by Patterning devices in known manner.Yet advantageously according to the structure of claim 5, in view of the above, blow gun is connected with the other motorized motions equipment that separates that is used for short transverse, so that make blow gun directed near guide channel ground at least on short transverse.If make Weft inserter have blow gun in a lateral direction a plurality of and that arrange on short transverse according to claim 6, then this structure has advantage especially.
For motorized motions equipment, according to claim 7 for example suitable be servo motor, d.c. motor or particularly AC motor.
According to Claim 8, loom has and is used for according to pattern
Figure A20068003713700041
The control appliance of control, this control appliance are connected with each electronic driving arrangement in addition so that it is controlled, and make basis figuratum fabric to be worked out can use the weft yarn of different colours or quality.
According to claim 9, loom is constructed so that preferably control appliance stops weft yarn to move in the scissors in the situation of broken yarn, so that solve the weft yarn that disconnects and strain new weft yarn section.
Description of drawings
Below, further describe the embodiment of loom according to schematic diagram, in the accompanying drawing:
Fig. 1 shows when wefting insertion the weaving zone of the loom of observing from Weft inserter;
Fig. 2 shows the loom of the Fig. 1 when observing transverse to short transverse;
Fig. 3 shows the loom of the Fig. 1 when weft yarn stops and cutting off weft yarn;
Fig. 4 shows Fig. 3 loom of observing from the top.
The specific embodiment
Fig. 1 to Fig. 4 has illustrated the wefting insertion zone of loom in the diagram according to schematic diagram, wherein, only shows the important part for the present invention.The remaining prior art that is characterized as of all of loom.
Fig. 1 and Fig. 3 show the weaving zone of loom, and wherein, warp thread 2 moves to the shed open of opening 6 by means of the shed open forming device (Fachbildevorrichtung) 4 such as Patterning devices, introduces weft yarns 10 by Weft inserter 8 in shed open 6.By means of knitting reed 12, weft yarn stops at and stops on the edge 14, makes to form cloth 16.
Weft inserter 8 is pneumatically constituted, and has mouth piece 20, and the mouth piece has eight blow guns 22 in the present example, and they are arranged in pairs on horizontal direction Q according to Fig. 4, and wherein according to Fig. 2, four pairs of such blow guns are stacked on short transverse H.Mouth piece 22 is being arranged swingably on horizontal direction Q on the vertical axis 24, and is being supported swingably on short transverse H around trunnion axis 26.First driving arrangement 28 comprises motor 30, and motor 30 is connected with blow gun 22 by rod gear 32.In a comparable manner, arranged that second driving arrangement 34 is used for blow gun 22 and swings on short transverse H.This second driving arrangement has motor 36 again, and motor 36 is connected with blow gun 22 by other rod gear 38.First driving arrangement 28 and second driving arrangement 34 at first are used for selecting of blow gun 22, and directed coaxially with the guide channel 40 of guide device 42, this guide device with knit that reed 12 is connected and the weft yarn 10 of the introducing that is used to lead.Relay mouth 44 (Stafettend ü se) is used for moving the weft yarn of being introduced along guide channel 40 forward directions.
In addition, first driving arrangement 28 is used to make scissors 46 motions of blow gun 22 facing to fixed-site, scissors 46 is disposed in the zone that stops edge 14 of cloth 16, make scissors 46 in fact only when in fact the weft yarn of introducing 10 is stopping to stop on the edge 14, just work, as from can finding out Fig. 3 and Fig. 4.
Be used for according to pattern control loom with the control appliance 50 that first driving arrangement 28 is connected with second driving arrangement 34, and also therefore control first driving arrangement 28 and second driving arrangement 34, select to be used to the desired blow gun 22 of pattern to be worked out respectively for the desired weft yarn 10 of pattern by means of submission so that make according to pattern.In addition, control appliance also is used to control driving arrangement 28,34 and makes the weft yarns of introducing be submitted to scissors 46 exactly.
The reference marker inventory
The H short transverse
The Q horizontal direction
2 warp thread
4 shed open forming devices
6 shed opens
8 Weft inserters
10 weft yarns
12 knit reed
14 stop edge
16 clothes
20 mouth pieces
22 blow guns
24 vertical axises
26 trunnion axis
28 first driving arrangements
30 motors
32 rod gears
34 second driving arrangements
36 motors
38 rod gears
40 guide channels
42 guide devices
44 relay mouths
46 scissors
50 control appliances

Claims (9)

1. loom that has pneumatic weft insertion, this loom has knits reed (12), the described reed of knitting is associated with the guide device (42) that has the guide channel (40) that is used for weft yarn (10), wherein, described guide channel (10) and the described reed (12) of knitting can be swung between the introducing position of described weft yarn (10) and stop position, wherein, also be associated at the described guide channel (40) of introducing the position with the Weft inserter (8) of the fixed-site that has at least two blow guns (22), and the scissors of arranging (46) for use in cutting off the weft yarn of being introduced (10) with having fixed-site, it is characterized in that: described blow gun (22) supports swingably facing to described scissors (46) on horizontal direction (Q) and is connected with motorized motions equipment (28), so that make this blow gun (22) facing to this scissors (46) motion.
2. loom according to claim 1 is characterized in that: described driving arrangement (28) is constructed to make the weft yarn of introducing in the regional internal cutting off that stops edge (14) of cloth (16) (10).
3. loom according to claim 1 and 2 is characterized in that: described driving arrangement (28) is constructed to go up about the approximate at least blow gun (22) that aligns respectively coaxially of described guide channel (40) at horizontal direction (Q).
4. according to a described loom of claim 1 to 3, it is characterized in that: described blow gun (22) is also gone up in short transverse (H) and is supported swingably and can drive across horizontal direction (Q).
5. loom according to claim 4, it is characterized in that: described blow gun (22) is connected with the driving arrangement (34) that another is used for described short transverse (H), so that make one in the described blow gun (22) to align with described guide channel (40) on short transverse (H).
6. according to a described loom of claim 1 to 5, it is characterized in that: described Weft inserter (8) has a plurality of at horizontal direction (Q) and the last blow gun of arranging (22) of short transverse (H).
7. according to a described loom of claim 1 to 6, it is characterized in that: described motorized motions equipment (28,34) has servo motor, d.c. motor or AC motor respectively.
8. according to a described loom of claim 1 to 7, it is characterized in that: described loom has the control appliance (50) that is used for according to pattern control, and described control appliance (50) connects so that it is controlled with each motorized motions equipment (28,34).
9. according to a described loom of claim 1 to 8, it is characterized in that: described control appliance (50) is constructed to make in weft yarn described in the situation of broken yarn (10) is not moveable to described scissors (46).
CNA2006800371378A 2005-10-05 2006-06-23 Weaving machine comprising pneumatic weft insertion Pending CN101283133A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1603/05 2005-10-05
CH16032005 2005-10-05

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CN101283133A true CN101283133A (en) 2008-10-08

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CNA2006800371378A Pending CN101283133A (en) 2005-10-05 2006-06-23 Weaving machine comprising pneumatic weft insertion

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US (1) US20090272456A1 (en)
EP (1) EP1943379B1 (en)
JP (1) JP2009510279A (en)
KR (1) KR20080057249A (en)
CN (1) CN101283133A (en)
AT (1) ATE425285T1 (en)
BR (1) BRPI0616810A2 (en)
DE (1) DE502006003130D1 (en)
ES (1) ES2320270T3 (en)
TW (1) TW200714762A (en)
WO (1) WO2007038880A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116575170A (en) * 2023-07-12 2023-08-11 江苏友诚数控科技有限公司 Air current weft insertion beating-up mechanism for weaving thick fabric

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FR2064236B1 (en) * 1969-10-10 1979-03-26
CS165002B1 (en) * 1970-09-18 1975-11-28
US4178971A (en) * 1976-08-24 1979-12-18 Vyzkumny A Vyvojovy Ustav Zavodu Vseobecneho Strojirenstvi Method of and apparatus for inserting weft threads into a jet loom
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116575170A (en) * 2023-07-12 2023-08-11 江苏友诚数控科技有限公司 Air current weft insertion beating-up mechanism for weaving thick fabric

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US20090272456A1 (en) 2009-11-05
BRPI0616810A2 (en) 2011-07-05
TW200714762A (en) 2007-04-16
KR20080057249A (en) 2008-06-24
ATE425285T1 (en) 2009-03-15
WO2007038880A1 (en) 2007-04-12
EP1943379B1 (en) 2009-03-11
DE502006003130D1 (en) 2009-04-23
JP2009510279A (en) 2009-03-12
ES2320270T3 (en) 2009-05-20
EP1943379A1 (en) 2008-07-16

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