CN105586688B - The entry device of air injection loom - Google Patents

Abstract

The invention discloses a kind of entry devices of air injection loom, the entry device of the air injection loom has: guide part, it is with through hole, and the guide part is set as when being threaded into the observation of the axis direction of yarn guide of weft yarn by compressed air, and the center of through hole and the center of guide eyelit are consistent；Exhaust portion, it is continuously provided with guide part in the axial direction, and it is formed in a manner of being connected to by the spatial portion and outside that make the continuous inside in the space in the through hole with guide part, entry device by the axial direction with the rear end of yarn guide it is continuous in a manner of configure, and the end of the opposite side of the yarn guide side of entry device at least in the axial direction have guide part.

Description

The entry device of air injection loom

Technical field

The present invention relates to a kind of entry device of air injection loom, which has multiple spraying Picking mouth configured with the yarn guide for being formed with the guide eyelit penetrated through in the axial direction in the insertion hole of mouth main body, passes through multiple institutes State collaborating for picking mouth and carry out a picking, at least one of the multiple picking mouth, using from be configured at it is described at least The compressed air that the guide eyelit of the nozzle at the rear of one picking mouth towards the yarn guide sprays, penetrates institute for weft yarn State guide eyelit.

Background technique

In air injection loom, in the case where generating staplings etc. than picking mouth upstream side, with its repairing Operation etc. carries out the operation of entrying for passing through weft yarn again to picking mouth.Moreover, having patent as in relation to this technology entried Technology disclosed in document 1.Specifically, which carried out as described above to picking mouth When entrying, the method for entrying for being configured at the air injection that the nozzle for carrying out the rear of its picking mouth entried is formed is utilized.

In addition, the method for entrying disclosed in Patent Document 1 is by the association of multiple (for two in concrete example) picking mouths Method premised on the dynamic air injection loom for carrying out a picking.More specifically, the air disclosed in patent document 1 Jet weaving machine has multiple (two) picking mouths of the arranged in series in such a way that axis is consistent, that is, is configured on picking direction Most downstream side (reed side), main burner mainly as the picking mouth for facilitating picking and the rear for being configured at the main burner, as The so-called auxiliary main burner of the picking mouth for the picking for assisting the main burner to carry out.

Moreover, in the method for entrying of patent document 1, using the compressed air for assisting main burner to spray from it, to configuration Main burner in front of it is entried.

In addition, in patent document 1, about entrying for the auxiliary main burner to upstream side, only describe using by pair Auxiliary main burner supply compressed air makes it carry out injection action, becomes negative pressure state in the guide eyelit of yarn guide and generates The case where sucking action, but in existing air injection loom, there is entrying for the auxiliary main burner for upstream side Also utilize with patent document 1 similarly entry method the case where.Specifically, it entrys specially in the upstream side setting of auxiliary main burner Nozzle (nozzle of entrying), by entrying from the compressed air that nozzle sprays of entrying to auxiliary main burner.

Existing technical literature

Patent document

Patent document 1: Japanese Unexamined Patent Publication 01-085348 bulletin

Problems to be solved by the invention

But in method of entrying disclosed in the patent document 1, exist when entrying to picking mouth, the front end of weft yarn The posture in portion becomes unstable and makes to entry to become difficult such problems at the rear of picking mouth.Details as Follows.

Picking mouth is worn in the air injection as described above by the nozzle from the rear for being configured at picking mouth In the case where yarn, with from the air that said nozzle sprays together with weft yarn from the rear end of guide eyelit import guide eyelit in form into Row is entried.Moreover, importing air with from the rear end of guide eyelit, the air in guide eyelit is blown out from the front end of guide eyelit.

In addition, in the yarn guide in general picking mouth, guide eyelit near middle part, the part of rear end side (after End) be formed as the cone-shaped that aperture is gradually reduced from rear end towards front end side, and become aperture by the part of front end side than it Certain small diameter portion.Therefore, in such yarn guide, the air of the small diameter portion of guide eyelit can be passed through per unit time Amount per unit time can be few by the amount of the air of the rear end of guide eyelit than equally.

In addition, in the entrying of picking mouth, weft yarn is sprayed after being configured at picking mouth by air as described above The nozzle of side is moved to the picking mouth in front of it and entrys.Therefore, the amount of the air sprayed from said nozzle is necessarily The amount of such weft yarn can be carried.Therefore, the amount of the air is generally set to that guide can be passed through per unit time than above-mentioned Amount more than the amount of the air of the small diameter portion in hole.

Therefore, it sprays and carries out in the air by the nozzle from the rear for being set to the Weft insertion nozzle relative to Weft insertion nozzle In the case where entrying, air is imported into the guide eyelit of yarn guide with by said nozzle, air can be become in guide eyelit The state of saturation.Moreover, being difficult to if after it as air if becoming the state of the saturation of the air like this in guide eyelit The state being imported into guide eyelit, and become the state that the air sprayed from said nozzle jumps back at the rear of yarn guide.It is tied Fruit is to become the state of air turbulence at the rear of yarn guide, and carry towards picking mouth by the injection of the air of said nozzle Weft yarn become its front end posture picking mouth rear unstable state, so that the guide of yarn guide cannot be imported into In hole.

Summary of the invention

Therefore, the object of the present invention is to provide a kind of entry device of air injection loom, to picking mouth into Nozzle when row is entried from the rear for being configured at picking mouth sprays the air injection type of compressed air towards the guide eyelit of yarn guide In loom, prevent the compressed air sprayed from the nozzle from becoming the state of air turbulence at the rear of yarn guide as far as possible, from And steadily carry out the importing in the guide eyelit of yarn guide of the weft yarn into picking mouth.

A technical solution to solve project

Premise of the invention is, provides a kind of entry device of air injection loom, the air injection loom Have multiple picking mouths, the picking mouth, which has the nozzle body for being formed with insertion hole and is configured at the described of the nozzle body, to be inserted Through-hole is interior and is formed with the yarn guide of the guide eyelit penetrated through in the axial direction, and the picking mouth passes through via in the insertion hole Yarn guide around space from compressed air of the fumarole of the front end side injection supply into the insertion hole, and utilize its spray Jet stream picking is inserted through the weft yarn in the guide eyelit of the yarn guide, and the air injection loom relies on multiple throwings Collaborating for latitude mouth carries out a picking, wherein at least one of multiple picking mouths, using from be configured at it is described at least The compressed air that the guide eyelit of the nozzle at the rear of one picking mouth towards the yarn guide sprays, penetrates institute for weft yarn State guide eyelit.

Moreover, in order to realize the purpose, it is a feature of the present invention that the entry device has: guide part has Through hole, and the guide part is set as the axis in the yarn guide for being threaded into weft yarn by the compressed air When line direction is observed, the center of the through hole is consistent with the center of the guide eyelit；Exhaust portion, on the axis direction It is continuously provided with the guide part, and so that space with the continuous inside in space in the through hole of the guide part The mode that portion is connected to outside is formed, and the entry device is with continuous with the rear end of the yarn guide on the axis direction Mode configures, and the entry device at least has institute in the end of the opposite side of the yarn guide side of the axis direction State guide part.

Furthermore in the entry device according to above-mentioned air injection loom of the invention, or, it is described to lead Formed to portion and the exhaust portion by the component of one continuous on the axis direction, the exhaust portion have with relative to The through hole of the guide part through hole that continuous mode is formed on the axis direction, and the institute of the exhaust portion The space for stating the inside of through hole becomes the spatial portion, and the exhaust portion has so that the spatial portion is connected to outside The venthole that is formed of mode.

Alternatively, it is also possible to for the end face of the side of the importing weft yarn on the axis direction of the guide part is that is, described The end face of peripheral wall around the through hole of guide part is formed as circular shape.

Invention effect

The entry device of air injection loom according to the present invention, for using multiple picking mouths collaborate into The entry device of the air injection loom of a row picking as described above, consists of, by the entry device with throwing The continuous mode in the rear end of yarn guide in latitude mouth configures, and has guide part formed as described above and exhaust portion, and should The end of the opposite side of yarn guide side of the entry device at least on the axis direction has guide part, therefore, with existing skill Art is compared, and when being entried to picking mouth, can more stably carry out the guide eyelit of yarn guide of the weft yarn into picking mouth It imports.

More specifically, the entry device of air injection loom according to the present invention is carrying out wearing to picking mouth When yarn, entry device is imported from the compressed air that the nozzle at the rear for being configured at picking mouth sprays from guide part, and via this The through hole of guide part and the spatial portion (spatial portion with the continuous inside in space in the through hole of guide part) of exhaust portion are led Enter in the guide eyelit of yarn guide, but since the spatial portion in exhaust portion is formed in a manner of being connected to outside, even if It is imported into the state for becoming in guide eyelit and in guide eyelit the saturation of the air with compressed air, is sprayed later from the nozzle And the compressed air for being imported into entry device can also be discharged in exhaust portion to outside.Thereby, it is possible to be prevented as far as possible in yarn guide Rear compressed air jump back to and become air turbulence state, as a result, compared with prior art, passing through the nozzle Air injection and the posture of front end of weft yarn carried towards picking mouth becomes more stable, thus, it is more steady than the prior art Surely the importing of the guide eyelit of yarn guide of the weft yarn into picking mouth is carried out.

In addition, in the entry device of air injection loom of the invention, be set as guide part and exhaust portion by The component of continuous one is formed on the axis direction, and exhaust portion has the structure of the through hole and the venthole, Entry device is configured at the rear of picking mouth (yarn guide) thus, it is possible to be used in the structure can be simplified, and can also be with Easily realizing makes the center of the guide eyelit in the center and yarn guide of the through hole in guide part as described above is consistent to wear The configuration of yarn feeding device.Details as Follows.

As the entry device according to above-mentioned air injection loom of the invention, it is not limited to the described above guide part And exhaust portion is by the structure that is formed of component of one, that is, single part or the component being integrated are with being equivalent to guide part Part and the structure for being equivalent to the part of the exhaust portion with venthole and exhaust portion is constituted as component, can also will be vented Portion is formed as space.Specifically, can also will be equivalent to have the component of the guide part of through hole on the axis direction It is configured at the position of the rear end far from yarn guide, and will be equivalent to the space between the component of the guide part and the rear end of yarn guide As exhaust portion.Moreover, in this case, entry device is made of the component and the space for being equivalent to the guide part, moreover, i.e. Make to be the stabilized effect of importing that such structure can also obtain weft yarn as described above.

But using the structure, need for picking mouth to be left in guide part configuration as described above The dedicated support member (bracket etc.) of position.That is, it needs to which entry device to be set as to the structure for having this support member.Separately Outside, as described above, the guide part center that is configured to its through hole is consistent with the center of the guide eyelit in yarn guide, therefore, from In the configuration for opening picking mouth (yarn guide), need correctly to position the component for being equivalent to guide part by the support member. Therefore, the structure of entry device becomes complicated, and for realizing the installation exercise expense of the entry device configured as described above When it is laborious.

In contrast, as described above, by the entry device of air injection loom be set as guide part and exhaust portion by The component formation of one, the component being integrated itself have the structure of exhaust portion, are not needed as a result, in order to form exhaust portion And the component is left into picking mouth (yarn guide) to configure, it can be set as the component (dress of entrying that will there is the exhaust portion Set) it is directly mounted at the structure on picking mouth.Moreover, if entry device is set as to be directly mounted at picking mouth as described above On structure, there is no need to have support member as described above, so as to be simple by the configuration settings of entry device Structure.In addition, being worn so as to be easy to carry out in this case, can be easily implemented the configuration of guide part as described above The installation exercise of yarn feeding device.

In addition, guide part is set as the axis side in the entry device of air injection loom of the invention The end face of the side of upward importing weft yarn is formed as the structure of circular shape, and thereby, it is possible to more stably carry out by from institute Importing of the weft yarn of the compressed air progress of nozzle injection to entry device is stated, to more stably carry out weft yarn to the guide The importing of the guide eyelit of device.

More specifically, in general, the jet flow of air has the shape of the object near being pulled to and the surface along the object The property (so-called wall attachment effect (Coanda Effect)) of shape flowing, therefore, by the way that the end face of guide part is as described above Be formed as circular shape, edge can be easy because of wall attachment effect from the compressed air that the nozzle sprays to be entried The circular shape on the surface of the end face flowed into through hole, thus to lead towards being imported into the form of convergent in through hole To portion.Guide part is more stably imported by the weft yarn that the compressed air is carried to entry device as a result, thus more steady Surely importing of the weft yarn to entry device is carried out, therefore, as a result, more stably carrying out guide eyelit of the weft yarn to yarn guide Importing.

Detailed description of the invention

Fig. 1 is the partial front figure of an example for indicating the air injection loom using entry device according to the present invention；

Fig. 2 is to indicate that the upper surface of embodiment for entry device according to the present invention is schemed；

Fig. 3 is the sectional view for indicating an embodiment of entry device according to the present invention；

Fig. 4 is the enlarged fragmentary cross section for indicating the major part of Fig. 2.

Symbol description

1 air injection loom

2 weft yarns

3 reed framves

4 reeds

5 main burners

7 auxiliary main burners

8 weft brakes

9 entry nozzle

10 loom frames

12 nozzle holders

14 nozzle bodies

14a insertion hole

14b air supply hole

15 yarn guides

15a needle portion

15b middle part

15c fitting portion

The rear end 15e

17 pipes

18 guide eyelits

19 annular flow paths

20 entry devices

21 main elements

22 guiding parts

22a small diameter portion

22b large-diameter portion

23 cylindrical portions

24 flange parts

25 insert openings

26 through holes (venthole)

27 through holes

A picking direction

B yarn feeding side (upstream side)

C reed side (downstream side)

D axis direction

Specific embodiment

Hereinafter, being based on Fig. 1~3, one embodiment of the invention is illustrated.

Fig. 1 shows an examples for the air injection loom for using entry device of the invention.But in the present embodiment, Air injection loom has the monochromatic Weft insertion device for the so-called main burner that picking is only mainly helped with one, moreover, The Weft insertion device has one for assisting above-mentioned main burner in main burner and the position surveyed between long storage device (not shown) The so-called auxiliary main burner of the picking of progress.That is, the air injection loom of the present embodiment is formed as, Weft insertion device has Main burner and auxiliary the two Weft insertion nozzles of main burner carry out a picking by collaborating for two Weft insertion nozzles.

Specifically, as shown in Figure 1, main burner 5 is set on the reed frame 3 of support reed 4.More specifically, on reed frame 3, Relative to the position of yarn feeding side (upstream side) of the reed 4 on picking direction, to be supported in reed by support structure identical with reed 4 The form of frame 3 is equipped with nozzle bracket 6a, and the pipe holder 6c set on reed side is equipped on nozzle bracket 6a, is set to than pipe holder Nozzle support 6b of the 6c further from the position of reed 4.Moreover, main burner 5 is supported with its tube portion by pipe holder 6c, and main body The form that part is supported by nozzle support 6b is set on reed frame 3.

In addition, auxiliary main burner 7 is arranged in the form of being supported the supports such as axis at the rear of main burner 5.More specifically, It is being located on picking direction than reed frame 3 more on the loom frame 10 of the yarn feeding side of yarn feeding side, is utilizing the screwed parts such as bolt Nozzle base 11b is installed, and is equipped with support shaft 11a in the form being erected on nozzle base 11b.In addition, supporting Auxiliary main burner supporting element 11c is installed on axis 11a, and is equipped with and is used to support on auxiliary main burner supporting element 11c Assist component, that is, Support bracket 11d of the plate of main burner 7.In addition, being formed on Support bracket 11d for installing auxiliary The through hole of main burner 7.Moreover, auxiliary main burner 7 is installed on Support bracket in the form of its main part is embedded in through hole On 11d, axis 11a support is supported via Support bracket 11d and auxiliary main burner supporting element 11c.

In addition, auxiliary main burner supporting element 11c have for support shaft 11a intercalation through hole, and have comprising with this The opening retention mechanism of the notch of through hole connection, using the opening retention mechanism relative to the support shaft for being inserted through through hole 11a is fastened and fixed.Therefore, auxiliary main burner supporting element 11c changes the installation on its length direction relative to support shaft 11a Position (height and position).In addition, being formed on auxiliary main burner supporting element 11c with being installed on the state of support shaft 11a in this way Penetrating through direction becomes the through hole of horizontal direction.

In addition, as shown in Fig. 2, Support bracket 11d is inserted through passing through on auxiliary main burner supporting element 11c by screwed The fixing bolt of through-hole and be installed on auxiliary main burner supporting element 11c on.In addition, Support bracket 11d is relative to auxiliary main burner The fixation of supporting element 11c is with the head of fixing bolt and Support bracket 11d clamping auxiliary and fastening fixing bolt The form of main burner supporting element 11c carries out.Therefore, it is unclamped by the fastening for being carried out above-mentioned fixing bolt, Support bracket 11d can rotate together with fixing bolt around the axis of fixing bolt, so as to change Support bracket 11d relative to auxiliary main jet The setting angle of mouth supporting element 11c.

Moreover, auxiliary main burner 7 is set according to according to auxiliary main burner supporting element 11c relative to the position of support shaft 11a Its fixed height and position, and Support bracket 11d is adjusted relative to the setting angle of auxiliary main burner supporting element 11c to make its direction The mode of the rear end of main burner 5 is set.

In addition, main burner 5 and auxiliary main burner 7 use mutually isostructural spray in general air injection loom 1 Mouth.Therefore, it is illustrated referring to the structure of Fig. 3,4 pairs of auxiliary main burners 7, but the structure about main burner 5, also substantially It is identical.

Auxiliary main burner 7 is configured to, and based on nozzle body 14, has the yarn guide being installed in the nozzle body 14 15 and the pipe 17 that is installed in nozzle body 14.Wherein, nozzle body 14 is cylindric component, to penetrate through along its axis direction Form be formed with insertion hole 14a.It is passed through in addition, being formed on nozzle body 14 from its week facing towards what insertion hole 14a was penetrated through Through-hole, the through hole become the air supply hole 14b for supplying compressed air into insertion hole.In addition, in nozzle body 14 Insertion hole 14a formed in the slightly smaller mode of the diameter of the part of the one end on its axis direction, there are platforms in insertion hole Rank portion 14c.Moreover, being equipped with commutator 16 in insertion hole in the form abutted with stage portion 14c.In addition, in nozzle body On 14, pipe 17 is installed in the form of the part for the above-mentioned formation small diameter being pressed into fixed in insertion hole 14a.

Yarn guide 15 is the guide eyelit that the center that is formed with is consistent with the axis of yarn guide 15 and penetrates through along the axis direction The component of 18 tubulose, rear end 15e are formed as the flange shape of the internal diameter major diameter than the insertion hole 14a of nozzle body 14, and It is formed in a manner of being gradually reduced towards point diameter.That is, yarn guide 15 is configured to, have and the continuous portion end 15e thereafter The fitting portion 15c of the insertion hole 14a of point i.e. nozzle body 14 chimeric diameter, with fitting portion 15c via the conical surface it is continuous simultaneously And the diameter middle part 15b smaller than fitting portion 15c and with middle part 15b via the circular arc conical surface continuous and diameter ratio The smaller needle portion 15a of middle part 15b.In addition, guide eyelit 18 in yarn guide 15 with from the rear end of yarn guide 15 until middle part Near the rear end of 15b, the mode that internal diameter is gradually reduced is formed as taper.

In addition, the outer peripheral surface of part of the yarn guide 15 among the ratio of fitting portion 15c by rear end portion side is formed with external screw thread, The part of the rear end side of fitting portion 15c is formed as external thread part 15d.On the other hand, the installation of the insertion hole 14a of nozzle body 14 There is the end of the opposite side of the side of pipe 17 to become and forms internal thread internal thread part 14d in inner circumferential surface.Moreover, yarn guide 15 are installed on nozzle body 14 in the form of following, that is, relative to the insertion hole 14a in nozzle body 14 from being equipped with pipe 17 The end of the opposite side of side is inserted into, and the internal thread part 14d of external thread part 15d and insertion hole 14a is screwed togather, and fitting portion What the ratio external screw thread of 15c was located further forward end side is partially submerged into insertion hole 14a.

In addition, yarn guide 15, in the state of being installed in nozzle body 14 as described above, needle portion 15a is got in insertion hole Over commutation 16 and extends, the inside up to being mounted on pipe 17 in nozzle body 14.

In addition, in yarn guide 15, it is smaller than fitting portion 15c that middle part 15b and needle portion 15a are formed as diameter as described above, That is outer diameter is smaller than the internal diameter of insertion hole 14a.Therefore, it is installed in mouth main body 14, is become as described above by yarn guide 15 In insertion hole, the state of cricoid flow path (annular flow path 19) is formed around middle part 15b and needle portion 15a.Moreover, leading On yarn device 15, multiple rectification fins from its outer peripheral surface radiated entend are equipped in the end of the needle portion side of middle part 15b, are utilized The rectification fin is formed about rectification flow path in middle part in annular flow path.

In addition, the air supply hole 14b formed on above-mentioned nozzle body 14 with the yarn guide 15 in insertion hole The mode that annular flow path 19 around middle part is connected to is formed.Moreover, connector 13 is installed on air supply hole 14b, Auxiliary main burner 7 is connect via the air supply pipe connected by connector 13 with air supply source.

In addition, in the present embodiment, air injection loom 1 has in the position at the rear of auxiliary main burner 7 to be propped up The weft brake 8 of the form setting of the Support bracket 11d support of support auxiliary main burner 7.In addition, the weft brake 8 Flecition is assigned to the weft yarn 2 in picking process for the latter stage in picking and applies to weft yarn 2 and brakes, and is had and is rotated It drives and assigns the push rod 8d of 2 flecition of weft yarn, rotates the actuator 8a of driving push rod 8d and assign weft yarn for increasing The yarn guide 8e of 2 flecition.

Specifically, about each portion of the weft brake 8, actuator 8a is on the length direction of Support bracket 11d Auxiliary main burner 7 and assist the position between main burner supporting element 11c, with opposite on the picking direction of Support bracket 11d In the side in reed side (downstream side) output shaft 8b is installed towards the form of above-mentioned upstream side.In addition, Support bracket 11d with The corresponding position output shaft 8b of actuator 8a is formed with through hole, and output shaft 8b is inserted through the through hole and from supporting bracket Frame 11d is prominent towards above-mentioned upstream side, becomes the state extended in parallel with picking direction.

In addition, push rod 8d is made of a pair of of bar in the present embodiment, using on the output shaft 8b for being installed on actuator 8a Holding member 8c, be mounted in such a way that the direction orthogonal along extending direction (the picking direction) with output shaft 8b extends defeated On shaft 8b.But the configuration of push rod 8d becomes the position that above-mentioned upstream side is more leaned on than auxiliary main burner 7 on picking direction It sets.Moreover, path (weft path) of the push rod 8d by actuator 8a relative to the weft yarn 2 for being directed to auxiliary main burner 7, Quilt between the underlying operating position of the position of readiness that part corresponding with the weft path is located above and above-mentioned part Reciprocally swinging driving.

In addition, about yarn guide 8e, firstly, as shown in Figure 2,3, nozzle holder 12 is installed on Support bracket 11d, it should Nozzle holder 12 is by the support portion 12a for the rectangular-shape being installed on Support bracket 11d and with support portion 12a to see in side The maintaining part 12b for the rectangular-shape that the mode and support portion 12a that L-shaped is formed when examining are integrally formed is constituted.But the nozzle branch Frame 12 is to be located at above-mentioned upstream side, and top and branch with support portion 12a in above-mentioned weft path relative to Support bracket 11d The mode of the orthogonal extension of bracketing frame 11d is installed on Support bracket 11d.

In addition, yarn guide 8e is cricoid component in the present embodiment, it is configured on picking direction as push rod 8d A pair of of bar between, and with from the above-mentioned upstream side on picking direction in the hole Shi Qi comprising above-mentioned weft path Configuration, using support member supports in the support portion 12a of nozzle holder 12.Weft yarn 2 is in the hole of the cricoid yarn guide 8e as a result, Interior pass through is directed to auxiliary main burner side.

Moreover, being put by push rod 8d from its position of readiness towards operating position in such weft brake 8 Dynamic driving assigns 2 flecition of weft yarn using push rod 8d and yarn guide 8e.

In addition, in the separate position at the rear of auxiliary main burner 7, i.e., more being leaned on than weft brake 8 in the present embodiment The position of above-mentioned upstream side has the sky entried being arranged in the form of being supported in Support bracket 11d via nozzle holder 12 Gas blowout nozzle (nozzle 9 of entrying).

That is, as described above, air injection loom 1 has the case where weft brake 8 at the rear of auxiliary main burner 7 Under, since the space at the rear of auxiliary main burner 7 is relatively narrow, in the operation of entrying with the generation of above-mentioned staplings, it is difficult to It completes that the front end of weft yarn 2 is made to carry out its operation entried close to the rear end of auxiliary main burner 7.Moreover, as described above, weft yarn system Dynamic device 8 has yarn guide 8e, when entrying operation, it is also desirable to carry out wearing for the yarn guide 8e into the weft brake 8 Yarn.Therefore, in the present embodiment, air injection loom 1 has nozzle 9 of entrying as described above.Therefore, in the present embodiment In, when entrying to picking mouth, main burner 7 is assisted for the side in two picking mouths, by from being configured at auxiliary master The compressed air of nozzle (nozzle 9 of the entrying) injection at the rear of nozzle 7 carries out entrying for weft yarn 2.

It is more specifically, following to be arranged about the nozzle 9 of entrying.

Firstly, nozzle holder 12 is set as, in the state of being installed on Support bracket 11d as described above, from picking direction On the observation of above-mentioned upstream side when, the position of the position of maintaining part 12b and Support bracket 11d repeat, also, duplicate at this Range arranges the through hole of the installation auxiliary main burner 7 on Support bracket 11d.In addition, being formed on nozzle holder 12 opposite In the through hole that the length direction of maintaining part 12b and support portion 12a penetrate through in parallel, i.e., from above-mentioned upstream side when, The consistent through hole in center of the through hole of installation auxiliary main burner 7 on center and Support bracket 11d.Moreover, the nozzle branch Through hole on frame 12 (maintaining part 12b) becomes the mounting hole 12c for installing nozzle 9 of entrying.

In addition, nozzle 9 of entrying is with jet port towards Support bracket side (auxiliary main burner side) and in its outer peripheral surface intercalation It is installed on nozzle holder 12 in the form of mounting hole 12c.Therefore, nozzle 9 is entried in the separate of the rear of auxiliary main burner 7 Position make axis and assist main burner 7 axis it is consistent configuration be configured.

In addition, in the present embodiment, which equally, is configured to above-mentioned auxiliary main burner 7 (picking mouth), Based on cylindric nozzle body 9a, and has and pacified in the form of being inserted into the insertion hole for being formed in nozzle body 9a Yarn guide 9b in nozzle body 9a.In addition, being formed in nozzle body 9a for the supply compression sky into insertion hole The air supply hole of gas, same as auxiliary main burner 7, the compressed air supplied from the air supply hole is supplied to nozzle body The annular flow path around yarn guide 9b in the insertion hole of 9a is sprayed via the annular flow path from the spray-hole of front end side.But As shown in figure 3, in the present embodiment, nozzle 9 of entrying does not have the pipe 17 as auxiliary main burner 7, in addition, in nozzle body Also not set commutator in the insertion hole of 9a.Therefore, the air supply hole in nozzle body 9a with the air in maintaining part 12b The mode of supply hole connection is formed, in addition, connector 13 is installed on the air supply hole in maintaining part 12b, nozzle 9 of entrying It is connect via the air supply pipe linked by connector 13 with air supply source.

Moreover, (not scheming from the supply (not shown) of yarn feeding body and in such nozzle 9 of entrying by surveying long storage device Show) after weft yarn 2 be inserted into the guide eyelit 9c for being formed in yarn guide 9b.In addition, the weft yarn 2 is being inserted into spray of entrying as described above Mouth 9 (yarn guide 9b) and after nozzle 9 of entrying, by being inserted into auxiliary in the yarn guide 8e in weft brake 8 Yarn guide 15 (guide eyelit 18) in main burner 7, and main burner side is oriented to by auxiliary main burner 7.

Moreover, passing through main burner 5 and auxiliary main burner 7 in air injection loom 1 with structure as described above Collaborating for the two picking mouths carries out a picking.That is, as described above by the weft yarn for the guiding auxiliary of nozzle 9 main burner side of entrying 2 are inserted into the yarn guide of each picking mouth by the sequence of auxiliary main burner 7 and main burner 5, in weaving, in preset picking Start timing, start supply of the compressed air from air supply source to main burner 5, sprays compressed air from main burner 5, as a result, It is projected by its injection stream from main burner 5 and carries out picking.In addition, being matched with to the main burner 5 supply compressed air, also to auxiliary It helps main burner 7 to supply compressed air, by spraying compressed air from auxiliary main burner 7, and is led using its injection stream from yarn feeding side Wefting insertion yarn 2 is sent out simultaneously towards main burner 5, assists above-mentioned picking made by main burner 5 as a result,.In this way, having main jet In the Weft insertion device of mouth 5 and auxiliary the two the picking mouths of main burner 7, carry out picking is collaborated by two picking mouths.

In addition, when starting above-mentioned picking, push rod 8d becomes the shape for being configured at position of readiness in weft brake 8 State.Moreover, in the preset timing in above-mentioned picking latter stage, the side being displaced with push rod 8d from position of readiness towards operating position Formula carries out wobble drive by actuator 8a, as a result, the weft yarn 2 during the picking be endowed flecition as described above and As curved state, thus becomes and apply the state of braking to weft yarn 2 in the latter stage of above-mentioned picking.

Moreover, in the present invention, having with through hole and being arranged in air injection loom 1 described above For the consistent guide part in center of the guide eyelit of the yarn guide in the center of the through hole and picking mouth and with will be with the guide part The continuous inside of through hole spatial portion and the entry device of exhaust portion that is formed of the external mode being connected to be configured as and throw The rear end of yarn guide in latitude mouth is continuous, in the present embodiment, is set as being set to the entry device in two picking mouths It assists on main burner 7, and guide part and exhaust portion are formed as the structure of the component of continuous one in the axial direction, that is, It is set as forming the venthole for being connected to the through hole with outside on the component with through hole, the part with the venthole The structure for working as exhaust portion, also, more leaning on the part of anti-yarn guide side to work as guide part than the exhaust portion.With Under, the entry device of this present embodiment is described in detail using attached drawing.

As shown in figure 4, the entry device 20 of the present embodiment is by having the main element for the cylindrical portion 23 for being formed as cylindric 21 and be installed on main element 21 cylindrical portion 23 guiding parts 22 constitute.

Wherein, main element 21 is to be formed as and assist the rear end 15e of main burner 7 substantially with the cylindric cylinder of diameter Based on portion 23, it is formed with the insert opening 25 along the perforation of above-mentioned axis direction.In addition, the insert opening 25 is formed as its center and circle The axis of canister portion 23 is consistent, and the aperture of the rear end with the guide eyelit 18 than the yarn guide 15 in auxiliary main burner 7 is slightly Big aperture.

In addition, main element 21 has the one end for the cylindrical portion 23 for being formed in above-mentioned axis direction, and in above-mentioned axis The flange part 24 formed in the form of a part and cylindrical portion 23 are duplicate on line direction, which is ring-type, above-mentioned It is integrally formed from the expanding form in the outer peripheral edge of cylindrical portion 23 and cylindrical portion 23 when being observed on axis direction.

In addition, the flange part 24 is used to for entry device 20 (main element 21) to be installed on auxiliary main burner 7.In addition, In the present embodiment, main element 21 carries out as follows to the installation of auxiliary main burner 7, that is, makes the anti-cylindrical portion side of flange part 24 The threaded portions such as the bolt that end face abuts with the rear end face of the nozzle body 14 of auxiliary main burner 7, and will be inserted through flange part 24 28 spiral shell of part inserts in the nozzle body 14 of auxiliary main burner 7.

Therefore, in the present embodiment, the outer diameter of flange part 24, which becomes, can form the hole (installation for inserting the screwed part 28 Hole) size, specifically, the outer diameter with auxiliary the outer diameter of nozzle body 14 of main burner 7 it is roughly the same.And And in flange part 24, the form on the circumference centered on the center (axle center of cylindrical portion 23) of flange part 24 is located at by center, (such as two) are formed at equal intervals for the mounting hole of above-mentioned screwed part 28 insert throughout its circumferencial direction.In addition, On nozzle body 14, on the circumference centered on the axle center of nozzle body 14, it is formed with interior spiral shell corresponding with each mounting hole Pit.The same diameter of circumference where the center of the circumference and mounting hole.Internal thread hole is consistent with the center of corresponding mounting hole.Cause This, in the state that main element 21 (entry device 20) is installed on nozzle body 14 as described above, in main element 21 The position consistency of the axis when being observed on above-mentioned axis direction of nozzle body 14 in cylindrical portion 23 and auxiliary main burner 7, moreover, When being observed on above-mentioned axis direction, the position consistency of the axis of the position and yarn guide 15 of the axis of cylindrical portion 23.

In addition, flange part 24 is formed as cyclic annular as described above, has the hole of through-thickness perforation in its center.Moreover, It is located at the form in above-mentioned hole, flange part 24 and the institute as above of cylindrical portion 23 with the one end of the cylindrical portion 23 on above-mentioned axis direction It states in some repetition of above-mentioned axis direction.Therefore, the internal diameter Yu cylindrical portion 23 in the above-mentioned hole in flange part 24 is outer Diameter size is roughly the same.In addition, as described above, cylindrical portion 23 has with the rear end of auxiliary main burner 7 substantially with the outer diameter of diameter Size.Therefore, the outer diameter substantially phase of the internal diameter in the above-mentioned hole in flange part 24 and the rear end of auxiliary main burner 7 Together.

In addition, as described above, entry device 20 (main element 21) to be installed on to the master of auxiliary main burner 7 in flange part 24 In the case where body portion, becomes and the rear end 15e of the yarn guide 15 in main burner 7 is assisted to be located at the state in main element.Moreover, In the present embodiment, under the installation condition in this entry device 20 for assisting main burner 7, the rear end 15e of yarn guide 15 In the range of flange part 24 on above-mentioned axis direction, it is configured in the form being incorporated in the above-mentioned hole in flange part 24 In main element.Therefore, flange part 24 is formed as rear end of the size (thickness) on above-mentioned axis direction than yarn guide 15 Length dimension on the above-mentioned axis direction of portion 15e is big.

But in the present embodiment, it is installed in the state on auxiliary main burner 7 in entry device 20 as described above, becoming, That is, the state in the above-mentioned hole that the rear end 15e of yarn guide 15 is incorporated in flange part 24 (hereinafter referred to as " reception hole ") Under, state that the rear end face of yarn guide 15 is abutted with the end face of the flange part side of the cylindrical portion 23 on above-mentioned axis direction.Therefore, The above-mentioned thickness of flange part 24 is formed as, in addition on above-mentioned axis direction with the duplicate range of cylindrical portion 23 other than part Size it is identical as the length dimension on the above-mentioned axis direction of the rear end 15e of yarn guide 15.

In addition, cylindrical portion 23 near the duplicate part of as described above and flange part 24 on above-mentioned axis direction, has There is the through hole 26 formed in such a way that the outer peripheral surface from cylindrical portion 23 is penetrated through towards insert opening 25.In addition, in the present embodiment, The through hole 26 is formed with multiple (being four in example illustrated) throughout the circumferencial direction of cylindrical portion 23 at equal intervals.

Guiding parts 22 is the cylindric component with through hole 27, includes the circle in outer diameter and main element 21 The internal diameter of insert opening 25 roughly the same part (small diameter portion 22a) and outer diameter and main body are formed by canister portion 23 The roughly the same part (large-diameter portion 22b) of the outer diameter of the cylindrical portion 23 of component 21.Moreover, guiding parts 22 is in its path Portion 22a is intercalated in the insert opening 25 of main element 21 and makes the end face of the small diameter portion side on large-diameter portion 22b and cylindrical portion 23 The form that the end face of anti-flange part side abuts is installed on main element 21.

In addition, the length dimension of the small diameter portion 22a on axis direction is than in cylindrical portion 23 in the guiding parts 22 The length dimension of through hole 26 from the end face of anti-flange part side to cylindrical portion 23 is short.Therefore, as described above in guiding parts 22 It is installed on the state of main element 21, i.e. the small diameter portion 22a of guiding parts 22 is intercalated in the shape of the insert opening 25 of main element 21 Under state, the ora terminalis of the anti-large-diameter portion side of the small diameter portion 22a on guiding parts 22 is located on above-mentioned axis direction than cylindrical portion 23 Through hole more lean on anti-flange part side, the through hole 26 of cylindrical portion 23 forms the small diameter portion 22a occlusion that will not be directed to component 22, But make the external state that is connected to of the spatial portion of the inside of cylindrical portion 23 with cylindrical portion 23.

Moreover, in entry device 20 with structure as described above, as described above, main element 21 is so that flange part The end face of anti-cylindrical portion side on 24 is abutted with the nozzle body 14 on auxiliary main burner 7, and the rear end 15e of yarn guide 15 The form being incorporated in reception hole is installed on auxiliary main burner 7 by screwed part 28.In addition, in the entry device 20, As described above, guiding parts 22 is intercalated in the embedding of the cylindrical portion 23 in main element 21 with its small diameter portion 22a from anti-flange part side Jack 25, and the form for abutting the end face of the small diameter portion side of large-diameter portion 22b with the end face of the anti-flange part side of cylindrical portion 23 It is installed on main element 21.Moreover, by the main element 21 for being installed on auxiliary main burner 7 in this way and being installed on the main element Guiding parts 22 on 21 constitutes entry device 20.

In addition, the main element 21 under the installation condition to auxiliary main burner 7 as described above, on the entry device 20 Cylindrical portion 23 become the state that abuts with the rear end face of yarn guide 15 of end face of flange part side.That is, entrying in the present embodiment In device 20, cylindrical portion 23 by above-mentioned axis direction with the rear end of yarn guide 15 it is continuous in a manner of configure.

In addition, as described above, being formed with makes cylindrical portion 23 near the cylindrical portion 23 with flange part 24 duplicate part Inside space (insert opening 25) and the through hole 26 that is connected to of outside.Therefore, the formation in cylindrical portion 23 has the through hole 26 Part exhaust portion quite in this present embodiment, which is equivalent to the venthole being formed in exhaust portion.Therefore, exist In the present embodiment, exhaust portion is set as from the end face that the rear end face of the as described above and yarn guide 15 of cylindrical portion 23 abuts to above-mentioned The range of the ora terminalis of guiding parts 22 on axis direction.

In addition, in the present invention, as described above, entry device 20 has guide part and exhaust portion, the guide part at least position In the end of the opposite side of the above-mentioned yarn guide side on above-mentioned axis direction.Therefore, as described above, by determining exhaust portion, In the entry device 20 of the present embodiment, the ratio exhaust portion of cylindrical portion 23 more leans on the part of anti-yarn guide side to be equivalent to guide part.But It is in the present embodiment, guiding parts 22 to be installed in the part for being equivalent to the guide part of cylindrical portion 23, the guiding parts 22 Also become a part of guide part.In other words, in the entry device of the present embodiment 20, by cylindrical portion 23 except exhaust portion with Outer part and guiding parts 22 constitute guide part.

In addition, as described above, the cylindrical portion 23 of the main element 21 in entry device 20 is formed with along above-mentioned axis side To the insert opening 25 of perforation, but the part of the range of the exhaust portion in the insert opening 25 on above-mentioned axis direction is equivalent to and is being vented The through hole that portion is formed, the space in the through hole become the spatial portion in exhaust portion described in the present invention.In addition, institute as above It states, has the small diameter portion 22a of guiding parts 22, therefore, guiding parts 22 in the part intercalation in addition to exhaust portion of cylindrical portion 23 Through hole 27 be equivalent to the through hole on the guide part in the present invention.In addition, certainly, the through hole (spatial portion) of exhaust portion and The through hole (through hole 27 of guiding parts 22) of guide part is continuous in above-mentioned axis direction.

In addition, in the present embodiment, the end face of the anti-small diameter portion side of the large-diameter portion 22b in guiding parts 22, i.e. guide part The end face of the peripheral wall imported around the through hole 27 of the end of the side of weft yarn 2 is formed as circular shape.

More specifically, in the present embodiment, guiding parts 22 is to be intercalated in 23 (main part of cylindrical portion in small diameter portion 22a Part 21) insert opening 25 and the form that abuts the end face of the small diameter portion side of large-diameter portion 22b with cylindrical portion 23 be installed on cylindrical portion 23 (main elements 21).Therefore, the large-diameter portion 22b in guiding parts 22 is located at the circle than main element 21 in above-mentioned axis direction Canister portion 23 more imports the side of weft yarn 2 by anti-yarn guide side, i.e., and the end face of the anti-small diameter portion side of large-diameter portion 22b becomes guiding The end face of the side of the importing weft yarn 2 in portion.In addition, guiding parts 22 is component as described above with through hole 27, and it is above-mentioned The section in the orthogonal direction of axis direction becomes the structure that through hole 27 is surrounded by surrounding wall (peripheral wall).In other words, make to pass through Peripheral wall around through-hole is continuous on above-mentioned axis direction and constitutes.

In addition, constituting the peripheral wall around the above-mentioned through hole of large-diameter portion 22b as schemed in the guiding parts 22 of the present embodiment Shown, no matter in which part, the cross sectional shape of above-mentioned axis direction, which all becomes, is formed as circular arc for the ora terminalis of anti-small diameter portion side The shape of shape.That is, the end face of the anti-small diameter portion side of guiding parts 22 is formed as circular shape.

In addition, about the circular shape, in the present embodiment, specifically, being substantially semicircle in above-mentioned cross-section observation Arcuation, and the mode of substantial middle of its vertex on the thickness direction of peripheral wall for constituting above-mentioned large-diameter portion 22b is formed.This Sample, in the present embodiment, the perforation of the side of the importing weft yarn 2 of the end face of the anti-small diameter portion side of guiding parts 22, i.e. guide part The end face of peripheral wall around hole is formed as comprising (to lead in above-mentioned cross-section observation towards the anti-yarn guide side of above-mentioned axis direction Enter the side of weft yarn 2) part that is formed of mode be gradually unfolded to the outside of above-mentioned thickness direction, become the inner circumferential of through hole The circular shape of the part of a part in face.In addition, about the structure, in other words, it may also be said to which the through hole of guide part includes The end of the side of importing weft yarn 2 on above-mentioned axis direction, the side being gradually increased with internal diameter towards anti-yarn guide side The part that formula is formed.

In having the air injection loom 1 according to the entry device 20 of the present embodiment as described above, for example, knitting In system, in the case where generating the staplings of weft yarn 2 than auxiliary (nozzle 9 of entrying) the upstream side of main burner 7, stop loom, In loom stopping, the weft yarn 2 for becoming the state for being inserted through main burner 5, auxiliary main burner 7 and nozzle 9 of entrying is removed, to this A little nozzles are worn the operation of entrying of weft yarn 2 again again.But when this entrys operation, carry out in the following order, firstly, such as The upper use 9 pairs of auxiliary main burners 7 of nozzle of entrying are entried, this is entried after end, then wears to main burner 5 Yarn.

Moreover, into the entrying of the auxiliary main burner 7, firstly, to the auxiliary supply of main burner 7 from air supply source Compressed air, as described above, the introduction part for becoming the weft yarn of the guide eyelit 18 in yarn guide 15 produces the shape of sucking action State.In addition, along with this, being also supplied with the compressed air from air supply source to nozzle 9 of entrying.As a result, in nozzle 9 of entrying In, compressed air is sprayed via the annular flow path around yarn guide from spray-hole, also, with the injection, yarn guide 9b's is led Become negative pressure state in yarn hole, so that the introduction part as the weft yarn in guide eyelit 9c produces the state of sucking action.

In addition, working as the rear end (latitude of entrance hole of the operator by the front end for the weft yarn 2 that should be passed through close to nozzle 9 of entrying The introduction part of yarn) nearby when, because of above-mentioned sucking action, the front end of weft yarn 2 is imported into leading for the yarn guide 9b for nozzle 9 of entrying In yarn hole, also, the compressed air by spraying from nozzle 9 of entrying, the front end of the weft yarn 2 are removed towards auxiliary main burner side Fortune.Moreover, in this way from the guide eyelit of the yarn guide 15 in the compressed air direction auxiliary main burner 7 that nozzle 9 of entrying sprays The front end of 18 weft yarns 2 carried is imported into leading in auxiliary main burner 7 by the above-mentioned sucking action in auxiliary main burner 7 In the guide eyelit of yarn device 15.In addition, in this process, the front end of weft yarn 2 leads in the yarn guide 8e in weft brake 8 It crosses.In this way, by main burner 7 and entry to auxiliary main burner 7 and set on auxiliary from the compressed air that nozzle 9 sprays of entrying The yarn guide 8e's in weft brake 8 between nozzle 9 entrys.

Moreover, in the air injection loom 1 of the present embodiment, as described above, entry device 20 is so that its cylindrical portion 23 It is arranged with the continuous form of rear end 15e of the yarn guide 15 in auxiliary main burner 7, therefore, the compression sprayed from nozzle 9 of entrying Air is first introduced into the through hole in entry device 20, imports the yarn guide 15 in auxiliary main burner 7 via the through hole Guide eyelit in, but due to entry device 20 (cylindrical portion 23) be as described above with exhaust portion (venthole) structure, The state that air is difficult in the guide eyelit for the yarn guide 15 being imported into auxiliary main burner 7 is become, is sprayed from nozzle 9 of entrying Compressed air will not jump back to nozzle side of entrying again, but from the venthole in exhaust portion towards the radial direction of cylindrical portion 23 It is discharged to the outside of cylindrical portion 23.

As a result, as described above, starting to spray compressed air from nozzle 9 of entrying, compressed air is imported into auxiliary main burner 7 Yarn guide 15 guide eyelit in, along with this, in the guide eyelit become the saturation of the air state, thus become compressed air It is difficult to the state being imported into the guide eyelit, but due to preventing the compressed air rebound sprayed from nozzle 9 of entrying to wear as far as possible Yarn nozzle side and the state for becoming air turbulence, therefore even if being entried as described above later, by being sprayed from nozzle 9 of entrying The compressed air penetrated and the posture of the front end of weft yarn 2 carried will not be unstable because of the disorder of air-flow, thus its front end Portion is steadily imported the through hole in entry device 20 (guide eyelit 18 of the yarn guide 15 in auxiliary main burner 7).

Week in addition, in the present embodiment, around the end face of anti-small diameter portion side of guiding parts 22, the i.e. through hole of guide part The end face of wall is formed as circular shape, and the through hole of guide part becomes the end for being included in the side for importing weft yarn 2 with internal diameter ruler The structure for the part that the very little mode being gradually increased towards anti-yarn guide side is formed, therefore, the compressed air sprayed from nozzle 9 of entrying Be easy flowed in through hole due to wall attachment effect along above-mentioned part, thus by compressed air carrying come weft yarn 2 front end It is easier the through hole being imported into entry device 20 and assists the guide eyelit 18 of the yarn guide 15 in main burner 7.

In addition, in the present embodiment, as described above, a part of cylindrical portion 23 works as exhaust portion, that is, guide part Become the structure for being contained in the main element 21 as single (one) component with exhaust portion, and entry device 20 becomes in conduct The flange part 24 of the main element 21 of its main body is directly mounted at the structure on auxiliary main burner 7, therefore, from above-mentioned axis side To the position at the center of the through hole made in guide part (cylindrical portion 23) when observation and leading for the yarn guide 15 in auxiliary main burner 7 In the state of the position consistency at the center in yarn hole 18, become for entry device 20 to be configured to the structure at rear of yarn guide 15 Simple structure.

An embodiment of entry device of the invention is illustrated above, but entry device of the invention is not limited to Embodiment is stated, as long as various modifications can be carried out belonging to technical scope of the invention.Illustrate other embodiment below.

(1) in above-described embodiment, entry device is made of main element and the guiding parts being installed on the main element, But in the structure of above-described embodiment, guiding parts is not necessarily necessary, it is convenient to omit.In addition, being equivalent to for main element is led To the end face of the peripheral wall around the through hole of the end of the side of the importing weft yarn of the part in portion, i.e., anti-yarn guide side (anti-exhaust Portion side) end face can also be formed as circular shape.

But entry device according to the present invention is not limited to the peripheral wall of the through hole of the side of the importing weft yarn of guide part End face is formed as circular shape, and above-mentioned end face (end face of the anti-yarn guide side of guiding parts or cylindrical portion) can also be formed as round Shape (such as plane) other than arc shape.

(2) in above-described embodiment, a part of the cylindrical portion of main element works as the guide part in the present invention, When above-mentioned axis direction is observed, the outer shape of guide part is formed as round, but about guide part, as long as having along above-mentioned axis The through hole of direction perforation is the through hole for importing weft yarn, and therefore, outer shape is not limited to the above embodiments such circle Shape can also be formed as multilateral shape.In addition, in the above-described embodiments, structure is the main part of the main body as entry device Part is installed on the nozzle body of picking mouth (auxiliary main burner) and is supported by the nozzle body (picking mouth), but can also take and Instead of, the part other than picking mouth (nozzle body) is supported in by bracket supporting member using main element (such as to support The pillar etc. of the Support bracket of entry device etc. or support auxiliary main burner) structure.

(3) in above-described embodiment, structure is that the ratio middle part on the above-mentioned axis direction of the cylindrical portion of main element more leans on The part of yarn guide side is worked as exhaust portion, also, more leans on the part of anti-yarn guide side as guide part than the exhaust portion It works, in above-mentioned axis direction, the rear end of exhaust portion and yarn guide is continuous, also, guide part is only located at than the exhaust portion more By anti-yarn guide side.But in entry device of the invention, as long as entry device on above-mentioned axis direction with lead In the state that the continuous mode in the rear end of yarn device configures, at least guide part is located at the anti-yarn guide side on above-mentioned axis direction End, and the position about the exhaust portion on above-mentioned axis direction, are not limited to as above-described embodiment and guide The rear end of device is continuous.Therefore, in the entry device of the invention being made of guide part and exhaust portion, it is also possible to guide part Positioned at the structure for more leaning on yarn guide side than exhaust portion.

Specifically, for example, such as above-described embodiment, in the cylindrical portion by main element, exhaust portion and as guide part The part worked is integrally formed, and in the structure that works as exhaust portion of the part for being formed with venthole, by above-mentioned axis The position of venthole on line direction is set as more leaning on anti-yarn guide side than the position of the venthole of above-described embodiment, will be than above-mentioned axis Formation on line direction has the part of venthole that the part of yarn guide side is more leaned on to be set as bigger than the corresponding portion of above-described embodiment.? In the case where the structure, structure is that the part than being formed with venthole more leans on the part of yarn guide side also to act as guide part With, entry device by with the rear end of yarn guide it is continuous in a manner of configure in the state of, end in addition to being located at anti-yarn guide side Other than the guide part in portion, also having guide part with the continuous position in the rear end of yarn guide, and exhaust portion is located at two guiding Between portion.

In addition, entry device has guiding parts, also, the guiding parts is only used as guide part in above-described embodiment A part works.Moreover, being installed on main element in a manner of not occluding venthole for this purpose, guiding parts is configured to In the state of, the ora terminalis of yarn guide side, which is located at, more leans on anti-yarn guide side than venthole.But in the present invention, in entry device In the case where having guiding parts, it is not limited to guiding parts and works in its all part as a part of guide part, it can also To be that part of it has structure identical with the exhaust portion in main element (cylindrical portion), and works as exhaust portion.Tool For body, for the structure of above-described embodiment the case where for, be also possible to above-mentioned ora terminalis and be located at than being formed in the logical of cylindrical portion Stomata more leans on yarn guide side, also, the venthole is also formed in a manner of penetrating through guiding parts.

(4) in above-described embodiment, the cylindrical portion in main element forms venthole, and the formation of the cylindrical portion has ventilation The part in hole is worked as exhaust portion, and guide part and exhaust portion are contained in single main element, i.e. guide part and row as a result, Gas portion is formed by the component of one, but entry device of the invention is not limited in this way in single component comprising guide part and row The structure in gas portion, guide part and exhaust portion can also be formed by different components and be integrated again.

In addition, in the case of such a construction, for exhaust portion, the form different from guide part can be used, therefore, Such as exhaust portion can also by the way that the component of netted (cellular) is formed as cylindric composition, can also using by it is this by The exhaust portion that cylindric web material is constituted is installed in the form of continuous on above-mentioned axis direction and is formed by cylindric component Guide part and integrated structure.Moreover, each mesh for forming the web material of exhaust portion, which becomes, to be made to arrange in the case where for the structure The venthole that the spatial portion of the inside in gas portion is connected to outside.

Moreover, being not limited to being formed as component into cylindric, and the component relative to the cylindrical shape for exhaust portion Form the through hole for being connected to the spatial portion (spatial portion of guide part being connected to the space in through hole) on the inside of it with outside Structure, be also possible to by with outside with the continuous spatial portion in space in the through hole of guide part on above-mentioned axis direction The open form in portion is formed, and spatial portion is connected to space in through hole and as the structure that exhaust portion works with external, Space, and the knot that the space is worked as exhaust portion are formed between the guide part and yarn guide on above-mentioned axis direction Structure.

Specifically, importing the guide part (importing end side guide part) of the side of weft yarn using such as flowering structure, that is, as tool There is cylindrical portion and be integrally provided on the component of the cricoid flange part of the one end of cylindrical portion and constitute, also, by being inserted through this The screwed part of flange part and be installed on nozzle body or work as the guide part for being installed on nozzle body cylindric On component (yarn guide side guide part), in addition, the importing end side guide part is led far from nozzle body (yarn guide) or yarn guide side It is arranged to portion.In addition, as the structure for importing end side targeting part and opening up the state set is used to form in this way, for example, by using such as Flowering structure, that is, using with length corresponding with the interval for importing end side guide part and yarn guide or yarn guide side guide part The cylinder bushing of size, which is flush-mounted in above-mentioned screwed part, also, above-mentioned screwed part has from cylinder bushing The slave cylinder bushing part spiral shell outstanding of length dimension outstanding, the above-mentioned screwed part inserts in nozzle body or yarn guide side is led It installs to portion and imports end side guide part.

According to this structure, become in above-mentioned axis direction, importing end side guide part and yarn guide or yarn guide side guiding The state in space is formed between portion.Moreover, in this configuration, being located in space when observing along above-mentioned axis direction imports Part in the range of the through hole of end side guide part becomes the continuous spatial portion of through hole with guide part, and the spatial portion at For to the state of perimetered open, that is, as the state being connected to outside.Therefore, it the importing end side guide part and yarn guide or leads It works as exhaust portion in space between the guide part of yarn device side.

In addition, being set as leaving nozzle body (yarn guide) or guide using end side guide part will be imported in above-mentioned example Device side guide part and the structure of state being arranged, that is, in above-mentioned axis direction, be oriented in guide part and yarn guide or yarn guide side It is formed with the structure in space between portion, imports end side guide part by screwed part and is installed on nozzle body or yarn guide side guiding Portion, also, using the cylinder bushing flush-mounted in the screwed part, but can also replace, pass through to import end side guide part Support member (bracket) etc., which is supported in the part other than nozzle body and is configured at, leaves mouth main body (yarn guide) or yarn guide side The structure of the position of guide part.

(5) in above-described embodiment, the sky for assisting main burner of picking of progress is collaborated only to have one with main burner Gas jet formula loom, have two by collaborate carry out a picking picking mouth air injection loom be precursor, will Picking mouth (auxiliary main burner) using the picking mouth of entry device of the invention as most upstream side, but be about with the present invention The air injection loom of premise can also have three picking mouths (i.e.+two auxiliary main burners of a main burner), in addition, In this case, the picking mouth about application entry device of the invention is configured at most upper as being not limited to the above embodiments The auxiliary main burner for swimming side, is also possible to other picking mouths.Details as Follows.

As the air injection loom for having two auxiliary main burners as described above, there is the auxiliary except above-described embodiment Other than main burner (the first auxiliary main burner), it is also equipped with the air injection loom of the second auxiliary main burner, the second auxiliary master Position of the nozzle between main burner and the first auxiliary main burner, main burner is same is supported on knitting for yarn feeding side with the first auxiliary On machine frame, and when along the axis direction observation of the first auxiliary main burner, with the axle center in axle center and the first auxiliary main burner Consistent mode configures.Moreover, in this air injection loom, sometimes through the compression sprayed from the first auxiliary main burner Air carry out to the second auxiliary the entrying of main burner (guide eyelit from weft yarn to yarn guide importing).That is, there is a kind of air to spray Formula loom is by nozzle from the rear for being configured at the second auxiliary main burner, exists to entrying for the second auxiliary main burner It is carried out when this is entried as the compressed air of the first auxiliary main burner injection of the nozzle from injection compressed air.Moreover, In this air injection loom, it can also be applied to entry as described above using by entry device according to the present invention The structure of second auxiliary main burner.

In addition, as the air injection looms for having two auxiliary main burners (first, second auxiliary main burner), and such as Upper described two auxiliary main burners are configured in the difference of the structure on loom frame, there is first auxiliary main burner such as above-described embodiment It is configured on loom frame like that, and the second auxiliary main burner is configured at the loom on reed frame in the same manner as main burner.In addition, In the case where for the structure, in the axis direction observation of main burner, the axle center of the second auxiliary main burner and the axle center of main burner Unanimously, and the second auxiliary main burner is configured at the rear of main burner.Moreover, in such air injection loom, as above State as disclosed in patent document 1, to main burner entry sometimes through from the rear for being configured at the main burner nozzle, It is carried out when entrying as the compressed air of the second auxiliary main burner injection of the nozzle of injection compressed air.Moreover, at this In the air injection loom of sample, it can also be applied to entry as described above using by entry device according to the present invention The structure of main burner.

In this way, in the present invention, being configured at the rear for the picking mouth entried and spraying compressed air when entrying Nozzle is not limited to the above embodiments such dedicated nozzle of entrying, after being also possible to be configured at and carrying out the picking mouth entried The auxiliary main burner of side.

(6) in above-described embodiment, it is configured to the weft yarn system in the rear setting for the auxiliary main burner for being configured at most upstream side Dynamic device and nozzle of entrying are supported in the support shaft (Support bracket) of support auxiliary main burner using nozzle holder, but in most upstream In the case where the rear setting weft brake of the auxiliary main burner of side and nozzle of entrying, the weft brake and spray of entrying The structure that the support construction of mouth is not limited to the above embodiments, can also be by independently setting with the support shaft etc. of support auxiliary main burner The supporting mechanism set carrys out support shute brake apparatus and nozzle of entrying.In addition, being not limited to weft brake and nozzle quilt of entrying The structure of common bracket support is also possible to the structure being separately supported.

In addition, in above-described embodiment, in the air injection for having the monochromatic Weft insertion device only with a main burner It is arranged for the structure of entry device according to the present invention in formula loom and is illustrated, but the air spray premised on the present invention The formula loom of penetrating is not limited to the structure for having the Weft insertion device of this monochrome, can also have the throwing of the polychrome with multiple main burners Weft handling device can also entry in order to which the picking mouth in the Weft insertion device to this polychrome is entried using according to the present invention Device.

In addition, present invention is also not necessarily limited to any embodiments discussed above, without departing from its objective, so that it may into Row suitably changes.

Claims (3)

1. a kind of entry device of air injection loom, which has main burner and relative to the main jet Mouth is configured at one or two auxiliary main burner of the upstream side in picking direction, and the main burner and the auxiliary main burner have It is formed with the nozzle body of insertion hole and is formed with the guide formed in a manner of penetrating through in the axial direction to insert weft yarn The yarn guide in hole, also, the yarn guide is configured in the insertion hole of the nozzle body, via in the insertion hole It is inserted from the fumarole of front end side injection supply to the main burner with the described of auxiliary main burner in space around yarn guide Thus compressed air in through-hole carries out a picking by the main burner and collaborating for the auxiliary main burner, and should Air injection loom has weft brake and nozzle of entrying, and the weft brake is configured at as near institute The upstream side of the most upstream side auxiliary main burner of the auxiliary main burner of upstream side configuration is stated, the nozzle of entrying is configured at institute The rear for stating most upstream side auxiliary main burner, the guide eyelit injection compression towards most upstream side auxiliary main burner are empty Weft yarn, is penetrated the guide eyelit in the yarn guide of the most upstream side auxiliary main burner by gas, which knits The entry device of machine is characterized in that,

The entry device assists between main burner and the weft brake in the most upstream side in the axis side The continuous mode in rear end with the yarn guide of most upstream side auxiliary main burner configures upwards,

The entry device has: guide part, and with through hole, and the guide part is set as empty by the compression Gas and when being threaded into the axis direction observation of the yarn guide of weft yarn, the center of the through hole and the guide eyelit Center is consistent；Exhaust portion is continuously provided on the axis direction with the guide part, and so that with the guide part The mode that the spatial portion of the continuous inside in space in the through hole is connected to outside is formed,

And the end of the opposite side of the yarn guide side of the entry device at least on the axis direction has described Guide part.

2. the entry device of air injection loom according to claim 1, which is characterized in that

The guide part and the exhaust portion are formed by the component of one continuous on the axis direction,

The exhaust portion is with the shape in such a way that the through hole relative to the guide part is continuous on the axis direction At through hole, and the space of the inside of the through hole of the exhaust portion becomes the spatial portion, and the exhaust portion With the venthole formed in a manner of being connected to the spatial portion with outside.

3. the entry device of air injection loom according to claim 1 or 2, which is characterized in that

The end face of the side for being imported into weft yarn on the axis direction of the guide part, i.e., the perforation of the described guide part The end face of peripheral wall around hole is formed as circular shape.