CN1210159A - Abnormality detecting apparatus for weft inserting apparatus in rapier loom - Google Patents

Abnormality detecting apparatus for weft inserting apparatus in rapier loom Download PDF

Info

Publication number
CN1210159A
CN1210159A CN98118832A CN98118832A CN1210159A CN 1210159 A CN1210159 A CN 1210159A CN 98118832 A CN98118832 A CN 98118832A CN 98118832 A CN98118832 A CN 98118832A CN 1210159 A CN1210159 A CN 1210159A
Authority
CN
China
Prior art keywords
arrow shaft
abnormality detecting
detecting apparatus
malposition
checkout gear
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN98118832A
Other languages
Chinese (zh)
Inventor
安冈文雄
高木信次
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyota Industries Corp
Original Assignee
Toyoda Automatic Loom Works Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Toyoda Automatic Loom Works Ltd filed Critical Toyoda Automatic Loom Works Ltd
Publication of CN1210159A publication Critical patent/CN1210159A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • 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
    • D03D47/34—Handling the weft between bulk storage and weft-inserting means
    • D03D47/36—Measuring and cutting the weft
    • 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
    • D03D51/44—Automatic stop motions acting on defective operation of loom mechanisms
    • 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
    • D03D47/27—Drive or guide mechanisms for weft inserting
    • D03D47/271—Rapiers
    • 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
    • D03D47/27—Drive or guide mechanisms for weft inserting
    • D03D47/271—Rapiers
    • D03D47/272—Rapier bands
    • 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
    • D03D47/27—Drive or guide mechanisms for weft inserting
    • D03D47/275—Drive mechanisms
    • 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
    • D03D47/27—Drive or guide mechanisms for weft inserting
    • D03D47/275—Drive mechanisms
    • D03D47/276—Details or arrangement of sprocket wheels
    • 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
    • D03D47/27—Drive or guide mechanisms for weft inserting
    • D03D47/277—Guide mechanisms
    • 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
    • D03J2700/00—Auxiliary apparatus associated with looms; Weavening combined with other operations; Shuttles
    • D03J2700/06—Auxiliary devices for inspecting, counting or measuring

Landscapes

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

Abstract

The present invention is to detect the surface layer release of a rapier band and the abrasion of a power bearing hole by a simple constitution. A pair of position controlling rollers 17 and 18 are rotatably supported on a supporting plate 16. The position controlling rollers 17 and 18 regulate a rapier band 12 by the peripheral face of a rapier wheel 13. The supporting plate 16 is provided with a pair of limit switches 19 and 20 corresponding to a winding range E. A detecting roller 192 is brought close to the rapier band 12. The detecting range of the limit switches 19 and 20 is made to approach the traveling route of the rapier band 12 in the winding range E.

Description

The abnormality detecting apparatus that is used for the Rapier looms weft inserting apparatus
The present invention relates to be used for to detect the unusual abnormality detecting apparatus that the weft inserting apparatus at Rapier looms takes place, in Rapier looms, be fixed on the arrow shaft that is around on the rapier wheel with on gripper head insert in the opening that forms by warp thread respectively and therefrom withdrawal so that insert parallel thus to opening.
As disclosed in Japan Patent prospectus 2-251636 and 4-34044 number, weft inserting apparatus in the Rapier looms comprises a pair of gripper head driving mechanism, this is provided with on the width of woven fabric mechanism opposite each otherly, in them each comprises a gripper head, the rapier wheel that arrow shaft band of fixing this gripper head on it and are with around this arrow shaft on it.In order to move a for example flexible belt that has rigidity of arrow shaft band, can use a wheel, this band portion ground is around thereon.This wheel is called as rapier wheel.In the gripper head driving mechanism of each opposite disposed, this rapier wheel rotates to and fro.Thereby when rapier wheel is driven forwards, be fixed on the arrow shaft that is around in rapier wheel with on gripper head thus by in the opening that impels immigration to form by warp thread.Weft yarn by one of them gripper head clamping is forwarded to other gripper head in the feeding opening like this then.Afterwards, two gripper heads are all withdrawn, and like this, the weft yarn of direct action inserts operation and finished with regard to accusing.All have a circumferential surface on each rapier wheel, the driving force that is formed with a long row on this surface transmits tooth.Therewith correspondingly, arrow shaft with on be formed with once long row's driving force receiving opening its be shaped as complementary and longitudinally arrange thus when arrow shaft is rotated this driving force transmission tooth can be according to priority with can be inserted in the driving force receiving opening with deviating from.By this way, thus the engagement that comes back rotation to transmit tooth and driving force receiving opening by driving force of rapier wheel is transmitted to the arrow shaft band drives gripper head to and fro.
The weft inserting apparatus of arrow shaft hair style has such problem, promptly because driving force receiving opening and driving force transmit the engagement of tooth, and driving force receiving opening corner part breaks possibly, thereby causes the fracture of arrow shaft band.In order to tackle this problem, up to now the arrow shaft band has been taked such measure, the line that is about to a conduction is embedded within the arrow shaft band predicts the fracture of arrow shaft band in order to the interruption of current that flows through this line by detection, as being disclosed in Japan Patent prospectus 2-251636 number.On the other hand, taked such measure in the case of 4-34044 number disclosed equipment of Japan Patent prospectus, promptly arrow shaft is detected so that monitor the wear condition or the abrasion of driving force receiving opening by a photoelectric sensor with the distance between the big or small or adjacent driving force receiving opening of going up the driving force receiving opening that forms.
Yet disclosed technology still has such problem among the Japan Patent prospectus 2-251636, the stage fracture early that promptly Dao Dian line may be before the useful life of arrow shaft band own expires.On the other hand, the technology that use is disclosed in Japan Patent prospectus 4-34044 number can meet with great difficulty when detecting abrasion with pinpoint accuracy, because be to move around with very high speed by the driving force receiving opening of the arrow shaft band of photoelectric sensor monitoring.
At present, employed in a lot of Rapier loomss is the arrow shaft band that is formed by a plurality of laminated materials as carbon fiber that present outstanding intensity.In the arrow shaft band of this laminated construction, breaking to occur in the top surface layer of arrow shaft band.In this case, the top surface layer trends towards with the form delamination of delamination part warp thread being caused damage.In this regard, be that Japan Patent illustrates that openly disclosed driving force receiving opening abrasion detection system in disclosed embedding thread breakage detection architecture in 2-251636 number or the Japan Patent prospectus 4-34044 number all can not detect this delamination of arrow shaft belt surface floor no matter can notice.
In view of above-mentioned prior art, an object of the present invention is to provide a kind of equipment, this equipment can be surveyed the delamination of arrow shaft belt surface layer with simple structure, and be formed on arrow shaft with on the abrasion of driving force receiving opening.
According to above-mentioned purpose with other, the carrying out that these purposes are described along with this specification will be obvious gradually, the present invention relates to the unusual abnormality detecting apparatus that a kind of weft inserting apparatus that is used for detecting at Rapier looms takes place, in Rapier looms, be fixed on the arrow shaft that is around on the rapier wheel with on gripper head insert in the opening that forms by warp thread respectively and therefrom withdrawal so that insert parallel thus to opening.In above-mentioned abnormality detecting apparatus, the notion total according to the present invention proposed, and is used to detect about an arrow shaft tape running malposition checkout gear of the generation of arrow shaft tape running malposition to be arranged to make the detection range of arrow shaft tape running malposition checkout gear to be positioned at closely near an operation passage that is designed to move along its arrow shaft band.
When the top surface layer delamination of the arrow shaft that provides in laminated construction band, that a slice of delamination trends towards moving about out from the top surface of arrow shaft band.Therefore, the operation passage of delamination sheet (passage of being followed by the delamination sheet just) departs from out from predetermined arrow shaft tape running passage (just, the arrow shaft band is designed the passage along its operation).Used the structure of above-mentioned abnormality detecting apparatus, the delamination sheet that departs from operation from operation passage intrinsic or design can be detected by arrow shaft tape running malposition checkout gear.
Implement in the preferred mode of the present invention at one, arrow shaft tape running malposition checkout gear can be arranged on and be equivalent to the interval position that holds that the arrow shaft band holds rapier wheel.
When the driving force receiving opening abrasion of arrow shaft band or wearing and tearing, the arrow shaft band is trending towards floating from the rapier wheel circumferential surface (this centrifugal action is on the area of arrow shaft band on the rapier wheel) under the influence of centrifugal force.The operation passage of this floating part can depart from from the intrinsic operation passage of arrow shaft band inevitably.The aforesaid this floating part that can detect arrow shaft band according to arrow shaft tape running malposition checkout gear provided by the invention departs from the operation of intrinsic operation passage.
Implement in the optimal way of the present invention at another, abnormality detecting apparatus can also comprise in order to regulate the adjusting device with respect to the arrow shaft band of rapier wheel circumferential surface, it is separately positioned near being with less than the non-limit positions place that holds between the interval on rapier wheel between holding interval and arrow shaft, and arrow shaft tape running malposition checkout gear can be arranged on a position near boundary, and in a side of boundary gripper head is housed.
Under the inertia mass influence of gripper head, the arrow shaft band is easy to float near the position that the boundary of gripper head is housed in the one side in holding the interval.Therefore, be suitable as the position that arrow shaft tape running malposition checkout gear is set the most near the interval position that holds that is arranged near the adjusting device of boundary (side of boundary is equipped with gripper head).
Implement in the optimal way of the present invention at another, arrow shaft tape running malposition checkout gear can be carried out by using limit switch.
In actual applications, limit switch is a device of carrying out arrow shaft tape running malposition checkout gear most convenient.
Above and other objects of the present invention, feature and bonus will be more readily understood by reading following in conjunction with the accompanying drawings and just as an example the description that its preferred embodiment is done.
In the following description should be referring to accompanying drawing, wherein;
Figure 1A is the front view according to the abnormality detecting apparatus that is used for Rapier looms inlaid thread mechanism of first embodiment of the invention;
Figure 1B is the part enlarged drawing by a part of a broken circle encirclement among Figure 1A;
The view that Fig. 2 A is that direction is watched shown in the arrow X from Figure 1A according to the abnormality detecting apparatus of first embodiment of the invention;
Fig. 2 B is the part enlarged drawing by a part of a broken circle encirclement among Fig. 2 A;
Fig. 3 is the partial enlarged view according to a major part of the abnormality detecting apparatus of second embodiment of the invention;
Fig. 4 is the partial enlarged view according to a major part of the abnormality detecting apparatus of third embodiment of the invention;
Fig. 5 A is the front view according to the abnormality detecting apparatus that is used for Rapier looms inlaid thread mechanism of fourth embodiment of the invention;
Fig. 5 B is the part enlarged drawing by a part of a broken circle encirclement among Fig. 5 A;
Fig. 5 C is the part enlarged drawing by a part of another broken circle encirclement among Fig. 5 A.
The present invention is described in detail in conjunction with being considered to its best or typical embodiment at present with reference to the accompanying drawings.In the following description, the same numeral in each view is represented identical or corresponding parts.Embodiment 1
Referring now to Fig. 1 to 3,, will be described an abnormality detecting apparatus that is used for the Rapier looms weft inserting apparatus of the first embodiment of the present invention.In the accompanying drawings, label 11 refers to a weft yarn feeding gripper head, and this gripper head is used for being inserted into an opening that is formed by the warp thread (not shown) from an inlaid thread origination side.Weft yarn feeding gripper head 11 is fixed on an arrow shaft with on 12 the fore-end.Arrow shaft is with 12 on a rapier wheel 13 and fixed thereon at the other end.Rapier wheel 13 is installed on the bolster 131 so that rotate around this axle 131 to and fro, and the rotational synchronization of this axle and loom driven back and forth.In addition, be provided with a rapier wheel (not shown) so that driven to and fro an inlaid thread end side.One connects on the front end that latitude gripper head (also not shown) is fixed on arrow shaft band.This arrow shaft band (also not shown) is coupled thereon on rapier wheel and at the other end.By the back rotation of coming of two rapier wheels, gripper head of feeding 11 and the gripper head (not shown) both who admits are impelled mutually synchronously operation to enter in the opening thereby are looked from the width of woven fabric that they meet in one central location.The weft yarn of being sent into opening by feeding gripper head 11 is transferred into admittance gripper head (not shown).Subsequently, weft yarn feeding gripper head 11 admits gripper head all to withdraw with relative direction respectively by the back rotation of coming of two rapier wheels with weft yarn.When admitting gripper head when opening is withdrawn, weft yarn just is inserted into fully and passes the opening that is formed by warp thread.
Arrow shaft can for example provide by the structure that forms that the multilayer carbon fiber is laminated to each other with 12.Be wound with and have row's driving force on the circumferential surface of arrow shaft with 12 rapier wheel 13 and transmit tooth 14, each becomes the driving force receiving opening 15 of complementation with the shape that driving force transmits tooth 14 and be formed with its shape of row on 12 arrow shaft.The circumferential surface of rapier wheel 13 part by arrow shaft with 12 hold hold in the interval E, driving force transmits tooth 14 and the 15 mutual interlocks of driving force receiving opening, thereby the cooperation of back rotation by driving force transmission tooth 14 and driving force receiving opening 15 that come of rapier wheel 13 is converted into arrow shaft with 12 rectilinear motion.
Bolster 131 is bearing on the supporting plate 16, and rotatably support a pair of position regulating roller 17 and 18 on this supporting plate.Position regulating roller 17 is with 12 being with 12 to contact near a boundary K1 place with arrow shaft closely with arrow shaft, boundary K1 be limited at hold interval E and one wherein rapier wheel 13 not by arrow shaft with 12 non-the holding between the interval H that held.On the other hand, position regulating roller 18 is placed on closely and is with 12 to contact near another boundary K2 place with arrow shaft.Boundary K2 is limited at and holds interval E and non-holding between the interval H. Position regulating roller 17 and 18 is used for closely regulating arrow shaft respectively with 12 positions with respect to the circumferential surface of rapier wheel 13 near the position of boundary K1 and K2.
Article one, belt 27 is across position regulating roller 17 and 18.In addition, belt 27 is supported on the jockey pulley 28 and on rapier wheel 13, thereby the rotation of rapier wheel 13 can send position regulating roller 17 and 18 respectively to.Because such arrangement, position regulating roller 17 and 18 is just impelled with arrow shaft to drive and rotate with 12 synchronized movement ground.
As appreciable in Fig. 2, be used for arrow shaft is formed with clearance groove 171 and 181 with 12 position regulating rollers 17 and 18 of doing the position adjustment with respect to the circumferential surface of rapier wheel 13 on its corresponding circumferential surface, thus make protrude in be formed on arrow shaft can be with the tooth top part 141 outside the driving force receiving opening 15 on 12 respectively by clearance groove 171 and 181 admittances.
A frame support bracket 29 is arranged on the position that is equivalent to hold interval E of supporting plate 16.As shown in Figure 2, a pair of limit switch 19 and 20 is installed on the frame support bracket 29. Limit switch 19 and 20 is respectively arranged with sensing probe 191 and 201, and the roller 192 and 202 of wherein popping one's head in is installed on sensing probe 191 and 201 center point place separately.Probe roller 192 be arranged near arrow shaft with 12 at the right-hand side that is formed on the in a row driving force receiving opening 15 of arrow shaft on 12, as shown in Figure 2, probe roller 202 then is arranged near the left-hand side of arrow shaft with 12 driving force receiving opening 15 in a row, as shown in Figure 2.Therefore, limit switch 19 and 20 detection range are each defined in arrow shaft with 12 operation passage vicinity in holding interval E.
Limit switch 19 and 20 is to be in the state that opens circuit and promptly closing at ordinary times.When limit switch 19 and 20 is to close up when promptly connecting, point out limit switch 19 or 20 or the both is in the connection signal of closing up and just is supplied to controlling organization 21, controlling organization is reacted to it by opening a warning device 22 and is stopped the operation of loom drive motor M simultaneously.
Device according to the abnormality detecting apparatus that is used for weft inserting apparatus of first embodiment of the invention can obtain multinomial excellent results, will make an explanation to this below.
(1-1) in Figure 1B, the part enlarged drawing of this part that to be a width of cloth surrounded by broken circle among Figure 1A demonstrates a kind of state of arrow shaft with a top surface layer delamination of 12 among the figure.The operating path of delamination sheet 121 (just delamination sheet 121 is along its operation or the path passed through) from arrow shaft with departing from out 12 original plan or the intrinsic operating path.In this respect, can notice that arrow shaft may occur in the dual-side place of driving force receiving opening 15 in a row with this delamination of 12 top surface layer, the result is that this delamination sheet 121 will bump and lean against on one of them or two the probe rollers 192 and 202.Like this, can detect from arrow shaft as the limit switch 19 or 20 of arrow shaft tape running malposition checkout gear and depart from the delamination sheet 121 that in the original plan the operating paths with 12.When delamination is proceeded and warp thread may be damaged or destroy to the length of delamination sheet 121 when increasing.Yet, used according to the structure of the abnormality detecting apparatus that is used for weft inserting apparatus of first embodiment of the invention just can the length of delamination sheet 121 also very in short-term the stage early of top surface layer delamination (just) detect the generation of this delamination sheet 121 by limit switch 19,20.Therefore, warp thread just can the protected unlikely damage that is subjected to delamination sheet 121.
(1-2) delamination sheet 121 is subjected to the influence of the centrifugal force that acts in holding interval E.Therefore, delamination sheet 121 is forced to make in holding interval E and floats rather than in other linear running interval.Reason corresponding to the position that holds interval E limit switch 19,20th being installed, helps detecting the generation of delamination sheet 121 very much for this reason.
(1-3) when arrow shaft during with 15 wearing and tearing of 12 driving force receiving opening, it is just more loosening with the interlock of driving force receiving opening 15 that driving force transmits tooth 14.Under the sort of situation, arrow shaft with 12 in holding interval E under the influence of centrifugal force probably the circumferential surface from rapier wheel 13 float.Arrow shaft with the operating path of 12 floating part from its intrinsic design and operation path deviation.In other words, arrow shaft is being represented the degree of driving force receiving opening 15 wearing and tearing with 12 degree of floating in holding interval E.Here, it should be noted that limit switch 19,20 can detect arrow shaft in the same manner with 12 the floating part situation that departs from from its intrinsic operating path, that is to say that it means that again limit switch 19,20 can detect the degree of driving force receiving opening 15 wearing and tearing in indirect mode.By the way, based on detect arrow shaft with 12 the method for floating 15 wearing and tearing of indirect detection driving force receiving opening be disclosed in Japan Patent prospectus 4-34044 number in be used for directly detecting comparing and carry out to get up will make things convenient for manyly in the system of the wearing and tearing of the driving force receiving opening 15 of high-speed mobile.
(1-4) because gripper head 11 is to be fixed on arrow shaft on the rapier wheel 13 that is around in back rotation with on 12 the free end portion, gripper head may stand to quicken and to slow down in 110 minutes.Therefore, when gripper head quickened and slow down, arrow shaft was with 12 just to trend towards floating in holding interval E, and this holds the interval and is positioned at the boundary K1 place that is installed in the one side near gripper head 11.Therefore, hold the position that interval E is arranged on close boundary K1, and settling gripper head 11 in a side of this boundary, this position is very desirable to settling limit switch 19 and 20.
(1-5) be applicable to that what carried as the front at the limit switch 19,20 that closes up conversion between state and the off state and be used as sensor is a kind ofly to be used to detect arrow shaft with 12 devices very easily from the position deviation of intrinsic operating path.Embodiment 2
Referring to Fig. 3, next step will be described the abnormality detecting apparatus that is used for weft inserting apparatus of second embodiment of the invention.By the way, all and previously described identical or equal parts are marked with same label and the description that repeats has just been done without.
In example according to the abnormality detecting apparatus of present embodiment, a thin conductor wire 23 that constitutes gripper head malposition checkout gear be positioned to across cross arrow shaft be with 12 tops extend and with its very closely and put.This conductor wire 23 is designed to when delamination taking place on 12 arrow shaft or will rupturing when being with 12 to contact with arrow shaft when unsteady from the circumferential surfaces of rapier wheel with 12 when arrow shaft.During carrying out textile operation, electric current flows through conductor wire 23.Therefore, can cause flowing through the interruption of current of conductor wire 23 in the fracture of loom operating period conductor wire, this interruption is measured by controller 21.Like this, warning device 22 is started and loom drive motor M is shut down.
Use this device can obtain as previously mentioned similar superior effect with first embodiment according to the abnormality detecting apparatus of second embodiment of the invention.Embodiment 3
Next step referring to Fig. 4, will be described the abnormality detecting apparatus that is used for weft inserting apparatus according to third embodiment of the invention.In the accompanying drawings, all be marked with same label with the identical or equal parts that the front had been described.The description that repeats has just no longer needed.
In the abnormality detecting apparatus according to the embodiment of the invention, the Electro-Optic Sensor System of being made up of a light-beam transmitter 241 and optical receiving set 242 24 is used as arrow shaft tape running malposition checkout gear.Electro-Optic Sensor System 24 is positioned to and makes a beam channel (promptly light beam that sends from light-beam transmitter 241 impinges upon the light path on the optical receiving set 242 along its propagation) across being with on 12 arrow shaft and the near-earth that joins with it extends.Therefore, can be detected by controller 21 when light velocity passage take place to interrupt, warning device 22 is started and loom drive motor M is shut down thus.
Used this device can obtain similar superior effect with first embodiment noted earlier according to the abnormality detecting apparatus of the 3rd embodiment.Embodiment 4
Now, referring to Fig. 5, with the abnormality detecting apparatus of describing according to fourth embodiment of the invention that is used for weft inserting apparatus.In the accompanying drawings, be marked with same label with previously described identical or equal parts.Therefore, the description of repetition has not just needed.
Be provided with a pair of limit switch 25 and 26 in the abnormality detecting apparatus of the embodiment of the invention, they depart from the circumferencial direction of rapier wheel 13 mutually.More specifically say, one of them limit switch, just, limit switch 25 is arranged on the position another one limit switch 26 that holds close boundary K1 in the interval E and then is arranged on the position that holds close boundary K2 in the interval E.Limit switch 25 and 26 comprises sensing probe 251 and 261, and they have probe roller 252 and 262 respectively and are installed in its top.Probe roller 252 and 262 is with 12 settings very approaching with it across crossing arrow shaft.Therefore, when the wearing and tearing owing to driving force receiving opening 15 take place arrow shaft with 12 float or during its delamination sheet 121, then limit switch 25 or 26 promptly closes up (just connecting).Therefore, controller 21 is along with starting warning device 22 and stop loom drive motor M from the input of the connection signal of limit switch 25 and 26.
With limit switch 25 and 26 be installed in hold the arrangement of reserving distance in the interval E therebetween to successfully detect in holding interval E arrow shaft with 12 around part delamination sheet 121 phenomenons to take place be very effective.
Can learn that from the description of front purport according to the present invention is set in arrangement near the operating path place of arrow shaft band with the detection range of arrow shaft tape running malposition checkout gear and the surperficial delamination of arrow shaft band is detected highly reliably obtain superior benefit.
In addition, purport according to the present invention is set in the arrangement that holds in interval with the detection range of arrow shaft tape running malposition checkout gear and the wearing and tearing of the surperficial delamination of arrow shaft band and driving force receiving opening is detected highly reliably obtain another superior benefit.

Claims (7)

1. unusual abnormality detecting apparatus that the weft inserting apparatus that is used for detecting at Rapier looms takes place, in Rapier looms, be separately fixed at gripper head (11) on the arrow shaft band (12) that is around in rapier wheel (13) insert in the opening that forms by warp thread and therefrom withdrawal it is characterized in that so that insert a weft yarn thus extremely in the described opening:
Being used for detecting about the arrow shaft tape running malposition checkout gear (19) of the unusual generation of the run location of described arrow shaft band (12) is arranged to make the detection range of described arrow shaft tape running malposition checkout gear (19) to be positioned at closely near an operation passage that is designed to move along its described arrow shaft band (12).
2. abnormality detecting apparatus as claimed in claim 1 is characterized in that described arrow shaft tape running malposition checkout gear (19) is placed in one and is equivalent to described arrow shaft band (12) and surrounds the position that holds interval (E) on the described rapier wheel (13).
3. abnormality detecting apparatus as claimed in claim 2, it is characterized in that described abnormality detecting apparatus includes adjusting device (17,18), this adjusting device is placed in respectively near holding the wherein said arrow shaft of interval (E) and and be with (12) not hold the non-boundary (K1 that holds between the interval (H) of described rapier wheel (13) between described, K2) locate, be that also described arrow shaft tape running malposition checkout gear (19) is placed in one near fixing the position of the boundary (K1) of described gripper head (11) in its side, rather than in described boundary (K2) side away from described gripper head (11).
4. abnormality detecting apparatus as claimed in claim 3 is characterized in that described arrow shaft tape running malposition checkout gear (19) is to be placed near locating away from the described boundary (K2) of described gripper head (11) with adding in addition.
5. as each described abnormality detecting apparatus in the claim 1 to 3, it is characterized in that described arrow shaft tape running malposition checkout gear is that form with limit switch (19,20) provides.
6. as each described abnormality detecting apparatus in the claim 1 to 3, it is characterized in that described arrow shaft tape running malposition checkout gear is that form with a conductor wire (23) provides, when loom operating period electric current therefrom flows through.
7. as each described abnormality detecting apparatus in the claim 1 to 3, it is characterized in that described arrow shaft tape running malposition checkout gear provides with an Electro-Optic Sensor System (24), this system comprises a light-beam transmitter (241) and an optical receiving set (242).
CN98118832A 1997-08-28 1998-08-28 Abnormality detecting apparatus for weft inserting apparatus in rapier loom Pending CN1210159A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP232746/97 1997-08-28
JP9232746A JPH1181093A (en) 1997-08-28 1997-08-28 Abnormality detector in weft inserting apparatus in rapier loom

Publications (1)

Publication Number Publication Date
CN1210159A true CN1210159A (en) 1999-03-10

Family

ID=16944119

Family Applications (1)

Application Number Title Priority Date Filing Date
CN98118832A Pending CN1210159A (en) 1997-08-28 1998-08-28 Abnormality detecting apparatus for weft inserting apparatus in rapier loom

Country Status (5)

Country Link
EP (1) EP0899368A1 (en)
JP (1) JPH1181093A (en)
KR (1) KR19990023253A (en)
CN (1) CN1210159A (en)
TW (1) TW365615B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1985039B (en) * 2004-07-14 2010-09-29 必佳乐有限公司 Method for checking a gripper driving wheel of a mechanical weaving loom, gripper driving wheel, and gripper mechanical weaving loom
CN102021716A (en) * 2010-12-16 2011-04-20 浙江理工大学 Flexible pressure device fof sword belt
CN112962198A (en) * 2021-02-05 2021-06-15 宿州雅辰百货有限公司 Spinning wire equipment capable of automatically adjusting height of baffle according to rotating speed

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4742568B2 (en) * 2004-11-22 2011-08-10 三菱電機株式会社 Moving handrail device for passenger conveyor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE896771A (en) * 1983-05-18 1983-11-18 Picanol Nv GRAPER DRIVE FOR WEAVING MACHINES.
IT1217546B (en) * 1988-05-10 1990-03-30 Vamatex Spa MOTOR BELT OF THE MOTOR OF PLIERS OF WEFT TRANSPORT IN WEAVING FRAMES WITHOUT SHUTTLES SUITABLE TO ALLOW THE DETECTION OF ITS STATE OF WEAR
JP2622885B2 (en) * 1989-10-09 1997-06-25 明産株式会社 Sheet thickness measuring device
JPH0571941A (en) * 1991-09-11 1993-03-23 Tsudakoma Corp Wear detection device of rapier band

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1985039B (en) * 2004-07-14 2010-09-29 必佳乐有限公司 Method for checking a gripper driving wheel of a mechanical weaving loom, gripper driving wheel, and gripper mechanical weaving loom
CN1997784B (en) * 2004-07-14 2010-11-03 必佳乐有限公司 Method and device for automatically monitoring a gripper carrier, and gripper carrier
CN102021716A (en) * 2010-12-16 2011-04-20 浙江理工大学 Flexible pressure device fof sword belt
CN112962198A (en) * 2021-02-05 2021-06-15 宿州雅辰百货有限公司 Spinning wire equipment capable of automatically adjusting height of baffle according to rotating speed

Also Published As

Publication number Publication date
KR19990023253A (en) 1999-03-25
EP0899368A1 (en) 1999-03-03
TW365615B (en) 1999-08-01
JPH1181093A (en) 1999-03-26

Similar Documents

Publication Publication Date Title
CN1135188C (en) Method and apparatus for examinating packaged products of cigarette
US5749131A (en) Transport device for a continuous moving sheet, in particular stretching device for a plastic film webs
EP0994344B1 (en) In-line inspection of containers
CN101155743A (en) Method for detecting the state of a lift cage and lift system wherein the method is used
WO2009098721A1 (en) Machine for wire cutting stone material
CN1089916A (en) Be used for selecting latitude and sending weft device of loom
CN1210159A (en) Abnormality detecting apparatus for weft inserting apparatus in rapier loom
US4478035A (en) Broken end piecing up apparatus for ring spinning frames
US5918829A (en) Apparatus for winding a thread onto a bobbin
US5588194A (en) Method and device for the accumulation of a yarn overlength between a bobbin creel and the beam on a beaming machine
US20090173280A1 (en) Vacuum coating system comprising a transport unit for transporting substrates
US20080006097A1 (en) Flat belt durability tester
US5087185A (en) Apparatus for taking off thermoplastic synthetic resin sheet
JP3933577B2 (en) A device for continuously moving multiple objects with rotational symmetry and its application to visual inspection and checking
EP0340312B1 (en) Wire connection completion detector
JP2002160869A (en) Device winding, at least, single yarn by melt spinning
JP3998265B2 (en) Material sheet conveying device
GB2254342A (en) Friction false-twisting unit with a drive motor
JPH08232119A (en) Ring spinning frame provided with spindle driven by at leastone tangent belt
EP0662433B1 (en) Handling-switching apparatus
JPH11504608A (en) Device for controlling the rotational speed of a drive unit for a yarn winding drum
US4641794A (en) Wire accumulator
CN115142122B (en) Feeding device of single crystal furnace
JPH11292478A (en) Frictional winding drum type traveling drive gear
US5806744A (en) Apparatus for feeding and tensioning threads in a textile machine

Legal Events

Date Code Title Description
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C06 Publication
PB01 Publication
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication