CN108691074A - The weft examining device of air-jet loom - Google Patents
The weft examining device of air-jet loom Download PDFInfo
- Publication number
- CN108691074A CN108691074A CN201810228675.XA CN201810228675A CN108691074A CN 108691074 A CN108691074 A CN 108691074A CN 201810228675 A CN201810228675 A CN 201810228675A CN 108691074 A CN108691074 A CN 108691074A
- Authority
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- China
- Prior art keywords
- setting contrast
- reed
- weft
- dent
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 235000014676 Phragmites communis Nutrition 0.000 claims abstract description 53
- 230000037431 insertion Effects 0.000 claims abstract description 43
- 238000003780 insertion Methods 0.000 claims abstract description 43
- 230000005540 biological transmission Effects 0.000 claims abstract description 3
- 230000001629 suppression Effects 0.000 claims description 22
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 230000010354 integration Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 10
- 238000013016 damping Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 3
- 244000273256 Phragmites communis Species 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000002310 reflectometry Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D51/00—Driving, starting, or stopping arrangements; Automatic stop motions
- D03D51/18—Automatic stop motions
- D03D51/34—Weft stop motions
-
- 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
- D03D47/3066—Control or handling of the weft at or after arrival
- D03D47/3073—Detection means therefor
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D49/00—Details or constructional features not specially adapted for looms of a particular type
- D03D49/60—Construction or operation of slay
Abstract
The present invention provides a kind of weft examining device for the air-jet loom that can precisely carry out weft examining.The weft examining device of air-jet loom has:Weft sensor (30) has the light-projecting portion to the internal transmission light of reed inner gateway (16) and the acceptance part arranged opposite with reed inner gateway (16);With setting contrast component (40), it is configured between the dent (15) of wefting insertion direction adjoining.The thickness of setting contrast component (40) is set greater than the separating distance of the dent (15) of wefting insertion direction adjoining.
Description
Technical field
The present invention relates to weft yarn via reed inner gateway by the weft examining device of the air-jet loom of wefting insertion.
Background technology
In air-jet loom, in order to whether seek weft yarn by wefting insertion well, and it is provided with the weft examining dress of optical profile type
It sets.The weft examining device is set to slay, and the light-projecting component direction of weft examining device is by the weft yarn projection light of wefting insertion, with latitude
The light that yarn is contacted and reflected is received by photo detector.For example, in the case where weft yarn reaches the projected area of light-projecting component, light
Element receives the reflected light from weft yarn and converts thereof into electric signal, and the electric signal converted is defeated by the control unit to loom
It send.(projected area of light-projecting component is not reached in weft yarn the case where such converted electrical number is not conveyed to control unit
Situation) under, the control unit of loom is judged as that wefting insertion is bad and the operating of loom is made to stop.
However, in the weft examining device of optical profile type, for example, to be black and thinner yarn by the weft yarn of wefting insertion
The case where in the case of white and thicker yarn, it is poor to be generated in the light quantity of reflected light, for black and thinner weft yarn
In the case of, the deficiency in light quantity of reflected light, and be difficult to carry out the detection of weft yarn.In order to reduce the type difference institute of such weft yarn
There is (reference the case where the rear back side of the weft yarn of flight configures mirror (setting contrast component) in the influence of the detection brought
Patent document 1).
Patent document 1:Japanese Unexamined Patent Publication 8-127945 bulletins
However, in patent document 1, though the mirror being set to improve the accuracy of detection of weft yarn is set to insertion reed
Interior insertion part, but the insertion part is inserted into the space being formed other than multiple dents from reed.Therefore, in patent text
It offers in the weft examining device disclosed in 1, insertion part is vibrated due to along with the vibration of dent caused by beating-up, is made
Mirror also vibrates, and to generate using the vibration of mirror as error detection of reason etc., and then presence can not precisely carry out latitude
The worry of yarn detection.
Invention content
The purpose of the present invention is to provide a kind of inspections of the weft yarn of air-jet loom that can precisely carry out weft examining
Survey device.
The weft examining device of air-jet loom for solving the above problems a little has is provided with multiple row tool in wefting insertion direction
The reed for having the dent of guide recess, by the injection of air, weft yarn is via the reed inner gateway formed by multiple above-mentioned guide recess
It is characterized in that having by the weft examining device of wefting insertion, the air-jet loom:Weft sensor has and leads into above-mentioned reed
The light-projecting portion of the internal transmission light on road and the acceptance part arranged opposite with above-mentioned reed inner gateway;And setting contrast component,
It is configured between the dent of above-mentioned wefting insertion direction adjoining, for above-mentioned setting contrast component, if by above-mentioned wefting insertion side
Upward size is set as thickness, the distance between the opposed faces of dent of above-mentioned wefting insertion direction adjoining is set as separating distance, then
The thickness of above-mentioned setting contrast component is set to above-mentioned separating distance or more.
Accordingly, setting contrast component is clamped in a manner of so that the dent that wefting insertion direction abuts is expanded by them, depending on
Position is held between dent.Therefore, it is possible to inhibit setting contrast component to be vibrated in beating-up, so as to inhibit with right
The vibration that component is adjusted than degree is the error detection of reason, and precisely carries out the detection of weft yarn.
In addition, the weft examining device of air-jet loom is characterized in that, have in back side and the above-mentioned reed from above-mentioned reed
The vibration suppression component of above-mentioned reed, above-mentioned setting contrast component and above-mentioned vibration suppression component are installed in the state of tooth contact
It is integrally-formed.
It accordingly,, can be into one by the bearing of vibration suppression component other than the clamping of the dent of wefting insertion direction adjoining
Step inhibits the vibration of setting contrast component.
In addition, in the weft examining device of air-jet loom, above-mentioned setting contrast component can also have:Main part,
The long side direction of its long above-mentioned dent in edge extends, and with the front surface exposed to above-mentioned reed inner gateway;Protruding portion, from
The upper end of the main part more leans on the front-surface side of above-mentioned reed prominent to than the above-mentioned front surface of the main part, and with upward
State reed inner gateway expose and with the continuous side of above-mentioned front surface.
Accordingly, the light from light-projecting portion projection destination configure setting contrast component main part front surface with
The side of protruding portion, so as to make the light being projected be more prone to reflect.
In addition, the weft examining device of air-jet loom can also only have an above-mentioned setting contrast component.
Accordingly, in the case where the change of the type of weft yarn needs setting contrast component, the peace of setting contrast component
Dress is easier to, and in the case where setting contrast component becomes no longer to need, unloading for setting contrast component is relatively easy to.
In addition, the weft examining device of air-jet loom can also have multiple above-mentioned setting contrast components.
Accordingly, multiple setting contrast components are set, to make the light projected from light-projecting portion be easy reflection.
In accordance with the invention it is possible to precisely carry out weft examining.
Description of the drawings
(a) of Fig. 1 is the brief perspective views of the position relationship of the reed and weft sensor that indicate air-jet loom, is (b)
Indicate the enlarged partial isometric view of the installation position of setting contrast component.
Fig. 2 is the local cutting schematic side view for the position relationship for indicating dent and weft sensor.
Fig. 3 is the stereogram for indicating vibration suppression component and setting contrast component.
Fig. 4 is the partial front elevation view for indicating dent and setting contrast component.
Fig. 5 is the partial side view for the position relationship for indicating setting contrast component and weft sensor.
Fig. 6 is the partial perspective view for indicating the state provided with multiple setting contrast components.
The explanation of reference numeral
D ... thickness;K ... separating distances;Y ... weft yarns;13 ... reeds;15 ... dents;15a ... guide recess;Lead in 16 ... reeds
Road;20 ... vibration suppression components;30 ... weft sensors;34 ... light-projecting portions;35 ... acceptance parts;40 ... setting contrast components;
The sides 40a ..., 41 ... main parts;41a ... front surfaces;42 ... protruding portions;The sides 42a ....
Specific implementation mode
Hereinafter, according to Fig. 1~Fig. 5 to an embodiment made of embodying the weft examining device of air-jet loom into
Row explanation.
As shown in (a) of Fig. 1, air-jet loom 11 is fixed with main burner (not shown), the wefting insertion of wefting insertion on slay 14
Auxiliary jet 12 and reed 13.Auxiliary jet 12 is fixed on slay 14 with capable of carrying out position adjustment via rest pad 17.Pair spray
Mouth 12 can come in and go out along with the swing of slay 14 out of opening relative to warp thread T between warp thread T row.
Reed 13 has a multiple dents 15 for being held in the holding member 13a extended along wefting insertion direction, and multiple dents 15 are along drawing
Latitude direction is arranged.Each dent 15 has guide recess 15a.As shown in (b) of Fig. 1, in the dent for forming guide recess 15a
It is in 15 face, from the face that the front surface of dent 15 retreats the most have the first access forming face 15b from wefting insertion direction,
Have an alternate path forming face 15c with the face of the continuous upsides the first access forming face 15b, and with the first access forming face
The face of the continuous downsides 15b has third path forming face 15d.It is formed by multiple guide recess 15a and constitutes the flight of weft yarn Y and lead to
The reed inner gateway 16 on road.
Air-jet loom 11 has the vibration suppression component 20 for the vibration for inhibiting dent 15.As shown in Fig. 2 or Fig. 3, vibration
Suppression component 20 has the mounting portion 21 of rectangular plate-like.Vibration suppression component 20 has one end of the long side direction of mounting portion 21
The fastener 22 for the shape that portion (upper end) turns back, fastener 22 are in that can be engaged from the upper end of the holding member 13a of reed 13
Shape.It is combined with bolt 23 in fastener 22.
Vibration suppression component 20 has integrated damping material in the long side direction another side (lower end side) of mounting portion 21
24, damping material 24 is the elastomeric elements such as rubber.Vibration suppression component 20 is in the shape for making fastener 22 be locked to holding member 13a
Make bolt 23 towards holding member 13a precessions under state, to be installed on reed 13.The damping material 24 of vibration suppression component 20 presses
In the back side of multiple dents 15.Then, when carrying out beating-up, the vibration of dent 15 is absorbed by damping material 24, to
It can inhibit the vibration of dent 15.
The weft sensor 30 being detected to the weft yarn Y to fly in reed inner gateway 16 is fixed in slay 14.Weft yarn passes
Sensor 30 is configured in the state that upper warp thread and lower warp thread are detached from from detection zone.Upper warp thread means across guide recess
15a is located at the warp thread T of the state of upside, and lower warp thread means the warp thread T for being located at the state of downside across guide recess 15a.
As shown in Fig. 2 or Fig. 5, the light-projecting portion being made of light emitting diode is provided in the front end of weft sensor 30
34 and the acceptance part 35 that is made of phototransistor, light-projecting portion 34 and acceptance part 35 be electrically connected to control dress (not shown)
It sets.Control device based on by acceptance part 35 receive by optical signal, the state of flight of detection weft yarn Y.Therefore, weft sensor 30
It constitutes for whether seeking weft yarn Y by the weft examining device of wefting insertion well.
As shown in (b) of Fig. 1, weft examining device has for reducing by the color and thickness pair of the weft yarn Y of wefting insertion
The setting contrast component 40 for the influence that weft examining generates.Setting contrast component 40 is integrated with vibration suppression component 20,
It is configured at the rear back side of the weft yarn Y of flight.Setting contrast component 40 is configured between the dent 15 of wefting insertion direction adjoining.Comparison
Degree adjustment component 40 is white.
As shown in Fig. 3 or Fig. 4, setting contrast component 40 has the main body that the long side direction of long edge dent 15 extends
Portion 41 with long side direction one end (upper end) from main part 41 to the front-surface side of dent 15 protruding portion 42 outstanding, and from drawing
The observation of latitude direction is in inverted L shape.
Main part 41 has front surface 41a in the face exposed to reed inner gateway 16.In addition, protruding portion 42 is in from main part 41
Front-surface side shape outstanding from upper end to dent 15.In protruding portion 42, the side 42a that is connect with front surface 41a to
Reed inner gateway 16 exposes.
Setting contrast component 40 has the reflecting surface 43 for the light that reflection is cast out from light-projecting portion 34.Reflecting surface 43 be by
The face that the front surface 41a of main part 41 is constituted with the side 42a of protruding portion 42, the reed inner gateway into setting contrast component 40
16 expose.Reflecting surface 43 is located at the oblique upper of weft sensor 30.
As shown in Fig. 4 or Fig. 5, the first of the front surface 41a and guide recess 15a of the main part 41 in reflecting surface 43 is logical
Road forming face 15b is configured to coplanar, and the alternate path forming face 15c of the side 42a and guide recess 15a of protruding portion 42 are configured to
It is coplanar.Therefore, reflecting surface 43 exposes into reed inner gateway 16.
Setting contrast component 40 has the side 40a of inverted L shape from wefting insertion direction.By the main body in the 40a of side
The size on front-rear direction at portion 41 and protruding portion 42 is set as width F.In addition, setting contrast will be connected with the shortest distance
The length of the mutual straight lines of side 40a of component 40 is set as thickness D.The thickness D of setting contrast component 40 is in front-rear direction perseverance
It is fixed.
As shown in figure 4, the thickness D of setting contrast component 40 is shorter than the contrast tune at main part 41 and protruding portion 42
The width F of integeral part 40, and slightly larger than the separating distance K between the opposed faces (side 40a) of the dent 15 of wefting insertion direction adjoining.
Setting contrast component 40 makes adjacent dent 15 expand in the state of being configured between adjacent dent 15, to a side
The side of dent 15 crimped with the side 40a of a side of setting contrast component 40, the side of the dent 15 of another party with it is another
The side 40a of one side is crimped.Setting contrast component 40 is held between dent 15 as a result,.
Next, recording the effect of weft examining device.
In the driving of air-jet loom, in the reed 13 for having setting contrast component 40, setting contrast component 40 because
Beating-up and be suppressed the case where vibrate.As shown in figure 5, light-projecting portion 34 direction of the weft examining device from weft sensor 30
16 projection light of reed inner gateway is detected by acceptance part 35 by the one of the guide recess 15a of weft yarn Y or dent 15 light reflected
Part.Then, the detection signal of acceptance part 35 is exported, the state of flight of the weft yarn Y to fly in reed inner gateway 16 is detected.
In the case of black lower for reflectivity by the weft yarn Y of wefting insertion, the reflection light quantity from weft yarn Y is smaller, but
Increase with the relative mistake of the reflection light quantity of the reflecting surface 43 from setting contrast component 40, to which the relative mistake is more than threshold value,
And then weft yarn Y can be detected.On the other hand, in the case where being that reflectivity is higher white by the weft yarn Y of wefting insertion, pass through weft yarn
The reflection light quantity of Y itself can detect weft yarn Y.
According to the above embodiment, effect below can be obtained.
(1) the thickness D of setting contrast component 40 is thicker than the separating distance K between the dent 15 of wefting insertion direction adjoining.Cause
This, can be clamped setting contrast component 40, so as to inhibit setting contrast portion by the dent 15 that wefting insertion direction abuts
Part 40 is vibrated in beating-up.As a result, it is possible to inhibit the flase drop of the weft yarn Y caused by the vibration of setting contrast component 40
It surveys, so as to precisely detect weft yarn Y.
(2) color, the number of weft yarn Y, setting contrast component 40 is relied on to become no longer to need, to be unloaded from reed 13
Under.Setting contrast component 40 is loaded and unloaded repeatedly relative to reed 13 as a result,.It is formed and is clamped by the dent 15 that wefting insertion direction abuts
The composition of such setting contrast component 40, therefore there is no the front surfaces of dent 15, especially divide guide recess 15a's
The case where first access forming face 15b~third path forming face 15d is worn along with the handling of setting contrast component 40.
As a result, it is possible to eliminate after removing setting contrast component 40, in the weft yarn Y that reed inner gateway 16 flies because of the dent 15 of abrasion
And the case where damaging.
(3) reflecting surface 43 of setting contrast component 40 be set as with the first access forming face 15b of guide recess 15a with
And the state that alternate path forming face 15c is coplanar.Therefore, the setting contrast component 40 with reflecting surface 43 does not become in reed
The obstruction for the weft yarn Y that access 16 flies, also, the light that reflection is projected is easy by reflecting surface 43.In addition, by configuring comparison
To not form recess in reed inner gateway 16, therefore the case where hindering air flowing is also not present in degree adjustment component 40.
(4) setting contrast component 40 in order to inhibit the vibration of dent 15 and with the vibration suppression component 20 that is installed on reed 13
Form one.Therefore, setting contrast component 40 is set by the clamping of dent 15 with the bearing of vibration suppression component 20.
Therefore, it is possible to further inhibit the vibration of setting contrast component 40, and setting contrast component 40 can be prevented from reed
Falling off between tooth 15.
(5) while can vibration suppression component 20 being set to reed 13, setting contrast component 40 is set to reed 13,
It is become easy to the setting operation of setting contrast component 40.
(6) vibration suppression component 20 is the existing component being set to inhibit the vibration of dent 15, makes contrast
It adjusts component 40 and the vibration suppression component 20 is integrally-formed.It therefore, there is no need in order to which setting contrast portion is arranged in reed 13
Part 40 and additional new component, the influence that the addition to there's almost no setting contrast component 40 generates beating-up.
(7) setting contrast component 40 has main part 41 and protruding portion 42, is in inverted L shape from wefting insertion direction.And
And reflecting surface 43 is made of the front surface 41a of main part 41 and the side 42a of protruding portion 42, and positioned at weft sensor 30
Oblique upper.Therefore, by the side 42a of reflecting surface 43, especially protruding portion 42, it can efficiently reflect and be projected from obliquely downward
Light.
(8) weft examining device only has a setting contrast component 40.Therefore, become in the color of weft yarn Y, number
More, the case where becoming no longer to need to setting contrast component 40 or in the case of becoming desirable for, as long as only loading and unloading one
Setting contrast component 40, handling operation becomes easy.
(9) weft examining device only has a setting contrast component 40.Therefore, it is possible to which setting contrast portion will be added
Increment is suppressed to minimum limit caused by part 40.
In addition, the above embodiment can also change as follows.
Zero as shown in fig. 6, setting contrast component 40 can also be provided in reed 13 it is multiple.In this case, can also
Keep multiple setting contrast components 40 integrated with the damping material 24 of vibration suppression component 20, to install vibration to reed 13
Multiple setting contrast components 40 are set while suppression component 20.
Zero setting contrast component 40 can not also be integrally-formed with vibration suppression component 20.In this case, it compares
Degree adjustment component 40 can also reed 13 be only set to by the clamping for the dent 15 that wefting insertion direction abuts, can also be formed in addition to
Except the clamping of dent 15, also by adhesive tape close to the side 40a of setting contrast component 40 and the side of dent 15
State.
Zero setting contrast component 40 can also not be in inverted L shape from wefting insertion direction.For example, setting contrast component
40 can also be there is no the protruding portion 42 and only composition of the main part 41 of rectangular plate-like, can also be from wefting insertion direction
Along the "U" font of guide recess 15a.
Separating distance K between the dent 15 that the thickness D of zero setting contrast component 40 can also be abutted with wefting insertion direction
It is identical, embodiment can also be thicker than.
The color of zero setting contrast component 40 is not limited to white, can also be corresponding with by the color of weft yarn Y of wefting insertion
It changes on ground.
Zero can also coat infrared reflecting paint in the reflecting surface 43 of setting contrast component 40.
Zero can also make the reflecting surface 43 of setting contrast component 40 compared to the first access forming face with guide recess 15a
15b and alternate path forming face 15c becomes coplanar state and leans on rear side.
Claims (5)
1. a kind of weft examining device of air-jet loom, has and wefting insertion direction is provided with multiple row there is the dent of guide recess
Reed, by the injection of air, weft yarn via the reed inner gateway formed by multiple guide recess by wefting insertion,
The weft examining device of the air-jet loom is characterized in that having:
Weft sensor has to the light-projecting portion of the internal transmission light of the reed inner gateway and opposed with the reed inner gateway
The acceptance part of configuration;And
Setting contrast component is configured between the dent of the wefting insertion direction adjoining,
For the setting contrast component, if the size on the wefting insertion direction is set as thickness, by the wefting insertion side
It is set as separating distance to adjacent the distance between the opposed faces of dent, then the thickness of the setting contrast component is set to
It is more than the separating distance.
2. the weft examining device of air-jet loom according to claim 1, which is characterized in that
Have the vibration suppression component that the reed is installed in the state that the back side from the reed is contacted with the dent, institute
Setting contrast component is stated to be formed with the vibration suppression part integration.
3. the weft examining device of air-jet loom according to claim 1 or 2, which is characterized in that
The setting contrast component has:The long side direction of main part, dent described in long edge extends, and with to institute
State the front surface of reed inner gateway exposing;Protruding portion, from the upper end of the main part to the front surface than the main part
More lean on the reed front-surface side protrude, and with to the reed inner gateway expose and with the continuous side of the front surface.
4. the weft examining device of air-jet loom described in any one of claim 1 to 3, which is characterized in that
Only has a setting contrast component.
5. the weft examining device of air-jet loom described in any one of claim 1 to 3, which is characterized in that
Have multiple setting contrast components.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017-065586 | 2017-03-29 | ||
| JP2017065586A JP6776980B2 (en) | 2017-03-29 | 2017-03-29 | Weft detector for air jet loom |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108691074A true CN108691074A (en) | 2018-10-23 |
| CN108691074B CN108691074B (en) | 2020-06-16 |
Family
ID=61628230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810228675.XA Expired - Fee Related CN108691074B (en) | 2017-03-29 | 2018-03-20 | Weft yarn detection device of air jet loom |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3382076B1 (en) |
| JP (1) | JP6776980B2 (en) |
| CN (1) | CN108691074B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111411440A (en) * | 2019-01-07 | 2020-07-14 | 株式会社丰田自动织机 | Weft yarn detection device of air jet loom |
| CN114318635A (en) * | 2020-10-09 | 2022-04-12 | 株式会社丰田自动织机 | Weft yarn detecting device |
| TWI766227B (en) * | 2019-01-14 | 2022-06-01 | 日商豐田自動織機股份有限公司 | Air jet loom with weft withdrawing device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2023156763A (en) * | 2022-04-13 | 2023-10-25 | 株式会社豊田自動織機 | Weft tensioning device for air jet loom |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4716942A (en) * | 1985-08-26 | 1988-01-05 | Picanol N.V. | Optical weft stop motion for looms with a U-shaped reed |
| JPH0742047A (en) * | 1993-08-02 | 1995-02-10 | Toyota Autom Loom Works Ltd | Weft detecting device for air jet type weaving machine |
| JPH10204756A (en) * | 1997-01-09 | 1998-08-04 | Tsudakoma Corp | Weft detector |
| CN1508311A (en) * | 2002-12-18 | 2004-06-30 | 津田驹工业株式会社 | Gap-detection head for detecting weft-yarn, and weft-yarn detection device using same |
| CN103282566A (en) * | 2010-12-23 | 2013-09-04 | 罗伊有限公司 | Group of reflection optic sensors in a weft feeder for weaving looms |
| CN105483914A (en) * | 2016-01-12 | 2016-04-13 | 青岛天一集团红旗纺织机械有限公司 | Weft yarn drafting device of air-jet loom |
| CN205368634U (en) * | 2016-01-12 | 2016-07-06 | 青岛天一集团红旗纺织机械有限公司 | Air jet loom woof drafting arrangement |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08127945A (en) | 1994-10-31 | 1996-05-21 | Micron Kiki Kk | Sensor for weft yarn |
-
2017
- 2017-03-29 JP JP2017065586A patent/JP6776980B2/en active Active
-
2018
- 2018-03-13 EP EP18161513.9A patent/EP3382076B1/en active Active
- 2018-03-20 CN CN201810228675.XA patent/CN108691074B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4716942A (en) * | 1985-08-26 | 1988-01-05 | Picanol N.V. | Optical weft stop motion for looms with a U-shaped reed |
| JPH0742047A (en) * | 1993-08-02 | 1995-02-10 | Toyota Autom Loom Works Ltd | Weft detecting device for air jet type weaving machine |
| JPH10204756A (en) * | 1997-01-09 | 1998-08-04 | Tsudakoma Corp | Weft detector |
| CN1508311A (en) * | 2002-12-18 | 2004-06-30 | 津田驹工业株式会社 | Gap-detection head for detecting weft-yarn, and weft-yarn detection device using same |
| CN103282566A (en) * | 2010-12-23 | 2013-09-04 | 罗伊有限公司 | Group of reflection optic sensors in a weft feeder for weaving looms |
| CN105483914A (en) * | 2016-01-12 | 2016-04-13 | 青岛天一集团红旗纺织机械有限公司 | Weft yarn drafting device of air-jet loom |
| CN205368634U (en) * | 2016-01-12 | 2016-07-06 | 青岛天一集团红旗纺织机械有限公司 | Air jet loom woof drafting arrangement |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111411440A (en) * | 2019-01-07 | 2020-07-14 | 株式会社丰田自动织机 | Weft yarn detection device of air jet loom |
| TWI766227B (en) * | 2019-01-14 | 2022-06-01 | 日商豐田自動織機股份有限公司 | Air jet loom with weft withdrawing device |
| CN114318635A (en) * | 2020-10-09 | 2022-04-12 | 株式会社丰田自动织机 | Weft yarn detecting device |
| CN114318635B (en) * | 2020-10-09 | 2023-02-10 | 株式会社丰田自动织机 | Weft yarn detecting device |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3382076B1 (en) | 2020-06-24 |
| JP6776980B2 (en) | 2020-10-28 |
| EP3382076A1 (en) | 2018-10-03 |
| CN108691074B (en) | 2020-06-16 |
| JP2018168490A (en) | 2018-11-01 |
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