CN204982244U

CN204982244U - Device of entrying that air injection formula loom was used

Info

Publication number: CN204982244U
Application number: CN201520732232.6U
Authority: CN
Inventors: 森田佑治
Original assignee: Tsudakoma Industrial Co Ltd
Current assignee: Tsudakoma Corp
Priority date: 2014-11-07
Filing date: 2015-09-21
Publication date: 2016-01-20
Anticipated expiration: 2025-09-21
Also published as: CN105586688A; JP6466693B2; EP3018243A2; CN105586688B; EP3018243A3; JP2016089309A; EP3018243B1

Abstract

The utility model discloses a device of entrying that air injection formula loom was used, device of entrying that air injection formula loom was used possesses: the guide part, it has a perforating hole, and the guide part sets up when observing for the axis direction penetrated the feed carrier of woof through compressed air, and the center of perforating hole is unanimous with the center of guide eyelit, exhaust portion, it sets up with the guide part on the axis direction consecutively, and so that form with the space portion of the continuous inboard in the space in the perforating hole of guide part and the mode of outside intercommunication, entry the device with on the axis direction with the continuous mode configuration in the rear end of feed carrier to entry the device at least the tip of tossing about mutually of the feed carrier on the axis direction side guide part has.

Description

The entry device of air injection loom

Technical field

The utility model relates to a kind of entry device of air injection loom, this air injection loom possesses multiple picking mouth being configured with the thread-carrier being formed with thread guide eyelet through in the axial direction in the inserting hole of nozzle body, a picking is carried out by collaborating of multiple described picking mouth, for at least one of described multiple picking mouth, utilize the compressed air from being configured at least one the nozzle at rear of picking mouth described and spraying towards the described thread guide eyelet of described thread-carrier, weft yarn is penetrated described thread guide eyelet.

Background technology

In air injection loom, when than picking mouth upstream side generation staplings etc., with its repairing work etc., carry out picking mouth again through the operation of entrying of weft yarn.And, as about this technology of entrying, there is technology disclosed in patent document 1.Specifically, disclosed in this patent document 1, technology is when entrying as mentioned above to picking mouth, the method for entrying that the air utilizing the nozzle being configured at the rear of carrying out the picking mouth that it is entried to be formed sprays.

In addition, the method for entrying disclosed in patent document 1 is by the method collaborated premised on the air injection loom carrying out a picking by multiple (being two) picking mouth in concrete example.More specifically, air injection loom disclosed in patent document 1 possesses multiple (two) the picking mouth with the consistent mode arranged in series of axis, namely the most downstream side (reed side) on picking direction is configured at, mainly as contribute to picking picking mouth main burner and be configured at the rear of this main burner, the what is called of the picking mouth of the picking carried out as auxiliary described main burner assists main burner.

And, entry in method at patent document 1, utilize the compressed air sprayed from its auxiliary main burner, the main burner being configured at its front is entried.

In addition, in patent document 1, about entrying of the auxiliary main burner to upstream side, only describe and utilize by making it carry out injection action to this auxiliary main burner supply compressed air, negative pressure state is become and the situation of the sucking action produced in the thread guide eyelet of thread-carrier, but in existing air injection loom, there is the situation of the also method of entrying that utilization is same with patent document 1 of entrying for the auxiliary main burner for upstream side.Specifically, the nozzle (nozzle of entrying) of entrying special is set at the upstream side of auxiliary main burner, by the compressed air sprayed from this nozzle of entrying, auxiliary main burner is entried.

Prior art document

Patent document

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

Utility model problem to be solved

But entrying in method disclosed in patent document 1, existing when entrying to picking mouth, the posture of the leading section of weft yarn becomes unstable and makes to entry and become the such problem of difficulty at the rear of picking mouth.Details as Follows.

When as described above by from be configured at picking mouth rear nozzle air spray picking mouth is entried, entry with the form that the air sprayed from said nozzle and weft yarn together import in thread guide eyelet from the rear end of thread guide eyelet.And import air with the rear end from thread guide eyelet, the air in thread guide eyelet is blown from the front end of thread guide eyelet.

In addition, in thread-carrier in general picking mouth, thread guide eyelet is near pars intermedia, and the part (rearward end) of rear end side is formed as the cone-shaped that aperture reduces from rear end gradually towards front, and the part of side more forward than it becomes the certain minor diameter part in aperture.Therefore, in such thread-carrier, time per unit is fewer by the amount of the air of the described rearward end of thread guide eyelet than same time per unit by the amount of the air of the described minor diameter part of thread guide eyelet.

In addition, as above in the entrying of picking mouth, weft yarn is sprayed by air and is moved to the picking mouth in its front from the nozzle at the rear being configured at picking mouth and entrys.Therefore, the amount of such weft yarn necessarily can be carried from the amount of the air of said nozzle injection.Therefore, the amount of this air is set to than above-mentioned time per unit usually by the many amount of the amount of the air of the described minor diameter part of thread guide eyelet.

Therefore, when by spray from the air of nozzle at the rear being located at this Weft insertion nozzle relative to Weft insertion nozzle entry, with importing air by said nozzle in the thread guide eyelet of thread-carrier, the state of the saturation of the air can be become in thread guide eyelet.And, if become the state of the saturation of the air like this in thread guide eyelet, then become the state that air is difficult to be imported in thread guide eyelet after it, and become the air that sprays from the said nozzle state in the rear rebound of thread-carrier.Consequently, the state of air turbulence is become at the rear of thread-carrier, and sprayed the rear unsure state of posture at picking mouth becoming its leading section towards the weft yarn of picking mouth carrying by the air of said nozzle, thus can not be imported in the thread guide eyelet of thread-carrier.

Utility model content

Therefore, the purpose of this utility model is, a kind of entry device of air injection loom is provided, spray compressed-air actuated air injection loom from the nozzle at the rear being configured at picking mouth towards the thread guide eyelet of thread-carrier when entrying to picking mouth, prevent the compressed air sprayed from described nozzle from becoming the state of air turbulence at the rear of thread-carrier as far as possible, thus stably carry out weft yarn to the importing in the thread guide eyelet of the thread-carrier in picking mouth.

For solving the technical scheme of problem

Prerequisite of the present utility model is, a kind of entry device of air injection loom is provided, this air injection loom possesses multiple picking mouth, described picking mouth has the nozzle body that is formed with inserting hole and to be configured in the described inserting hole of this nozzle body and to be formed with the thread-carrier of thread guide eyelet through in the axial direction, described picking mouth is by spraying from the fumarole of front the compressed air be supplied to described inserting hole via the space around the thread-carrier in described inserting hole, and utilize its injection stream picking to be inserted through weft yarn in the described thread guide eyelet of described thread-carrier, described air injection loom relies on collaborating of multiple described picking mouth to carry out a picking, wherein, for at least one of multiple described picking mouth, utilize the compressed air from being configured at least one the nozzle at rear of picking mouth described and spraying towards the described thread guide eyelet of described thread-carrier, weft yarn is penetrated described thread guide eyelet.

And, in order to realize described object, of the present utility modelly to be characterised in that, described entry device possesses: guide part, it has through hole, and described guide part is set to when the described axis direction being threaded into the described thread-carrier of weft yarn by described compressed air is observed, and the center of described through hole is consistent with the center of described thread guide eyelet; Exhaust portion, it is arranged continuously with described guide part on described axis direction, and to make to be formed with the spatial portion of inner side of the Spatial continual in the described through hole of described guide part and the mode of ft connection, described entry device to configure with the rear end continuous print mode of described thread-carrier on described axis direction, and described entry device at least has described guide part in the end of the opposition side of the described thread-carrier side of described axis direction.

In this external entry device according to above-mentioned air injection loom of the present utility model, also can be, described guide part and described exhaust portion are formed by the parts of the one of continuous print on described axis direction, described exhaust portion has with the described through hole through hole that continuous print mode is formed on described axis direction relative to described guide part, and the space of the inner side of the described through hole of described exhaust portion becomes described spatial portion, and described exhaust portion has passage that the mode of described spatial portion and ft connection is formed.

In addition, also can be, the end face of the side of the importing weft yarn on the described axis direction of described guide part that the end face of the perisporium around the described through hole of i.e. described guide part is formed as circular shape.

Utility model effect

According to the entry device of air injection loom of the present utility model, it is the entry device collaborating the air injection loom carrying out a picking as above utilizing multiple described picking mouth, consist of, by this entry device to configure with the rear end continuous print mode of the thread-carrier in picking mouth, and possess the guide part and exhaust portion that form as mentioned above, and the end of the opposition side of the thread-carrier side of this entry device at least on described axis direction has guide part, therefore, compared with prior art, when entrying to picking mouth, can more stably carry out the importing of weft yarn to the thread guide eyelet of the thread-carrier in picking mouth.

More specifically, according to the entry device of air injection loom of the present utility model, when carrying out to the entrying of picking mouth, the compressed air sprayed from the nozzle at the rear being configured at picking mouth imports entry device from guide part, and import in the thread guide eyelet of thread-carrier via the through hole of this guide part and the spatial portion (with the spatial portion of the inner side of the Spatial continual in the through hole of guide part) of exhaust portion, but because the described spatial portion in exhaust portion is to be formed with the mode of ft connection, therefore, even if be imported into the state becoming the saturation of the air in thread guide eyelet in thread guide eyelet with compressed air, to spray and the compressed air being imported into entry device also externally can be discharged in exhaust portion from described nozzle after it.Thus, the rear compressed air rebound at thread-carrier can be prevented as far as possible and become the state of air turbulence, as its result, compared with prior art, posture by the air injection of described nozzle towards the leading section of the weft yarn of picking mouth carrying becomes more stable, thus, more stably carry out the importing of weft yarn to the thread guide eyelet of the thread-carrier in picking mouth than prior art.

In addition, in the entry device of air injection loom of the present utility model, be set as that guide part and exhaust portion are formed by the parts of the one of continuous print on described axis direction, and exhaust portion has the structure of described through hole and described passage, thus, the structure that can be used in rear entry device being configured at picking mouth (thread-carrier) becomes simple, and also easily can realize the configuration of the entry device making the center of the through hole in guide part as above consistent with the center of the thread guide eyelet in thread-carrier.Details as Follows.

As the entry device according to above-mentioned air injection loom of the present utility model, be not limited to the structure that guide part described above and exhaust portion are formed by the parts of one, namely, single part or the parts be integrated have the part that is equivalent to guide part and are equivalent to have the part of exhaust portion of passage and the structure that forms as parts of exhaust portion, also exhaust portion can be formed as space.Specifically, also the parts being equivalent to the guide part with through hole can be configured on described axis direction the position of the rear end away from thread-carrier, and using the space that is equivalent between the parts of this guide part and the rear end of thread-carrier as exhaust portion.And in this situation, entry device is made up of the parts and described space being equivalent to this guide part, and, even such structure also can obtain the effect of the importing stabilisation of weft yarn as above.

But, when adopting this structure, need the special support component (bracket etc.) being used for guide part being configured in the position leaving picking mouth as mentioned above.That is, the structure being set as entry device to possess this support component is needed.In addition, as mentioned above, it is consistent with the center of the thread guide eyelet in thread-carrier that guide part is configured to the center of its through hole, therefore, in the configuration leaving picking mouth (thread-carrier), the parts to being equivalent to guide part are needed correctly to be located by described support component.Therefore, the structure of entry device becomes complicated, and wastes time and energy for the installation exercise of the entry device realizing configuration as above.

In contrast, as mentioned above, the parts itself entry device of air injection loom is set as guide part and exhaust portion are formed by the parts of one, being namely integrated have the structure of exhaust portion, thus, do not need these parts to be left picking mouth (thread-carrier) be configured to form exhaust portion, the structure be directly installed on by the parts with this exhaust portion (entry device) on picking mouth can be set as.And, if entry device to be set as the structure be directly installed on as mentioned above on picking mouth, just not to need to possess support component as above, thus can be simple structure by the configuration settings of entry device.In addition, in this situation, easily can realize the configuration of guide part as above, thus easily can carry out the installation exercise of entry device.

In addition, in the entry device of air injection loom of the present utility model, guide part is set as the end face of the side of the importing weft yarn on described axis direction is formed as the structure of circular shape, thus, more stably can carry out the importing to entry device of weft yarn that the compressed air by spraying from described nozzle carries out, thus more stably carry out the importing of weft yarn to the thread guide eyelet of described thread-carrier.

More specifically, usually, the jet flow of air has and is pulled to neighbouring object and the character (so-called wall attachment effect (CoandaEffect)) flowed along the shape on the surface of this object, therefore, by the described end face of guide part is formed as circular shape as mentioned above, easily can flow in through hole along the circular shape on the surface of described end face because of wall attachment effect from the described compressed air that described nozzle sprays to carry out entrying, thus be imported into guide part with the form restrained in through hole.Thus, more stably imported guide part by described compressed air to the weft yarn of entry device carrying, thus more stably carried out the importing of weft yarn to entry device, therefore, as its result, more stably carried out the importing of weft yarn to the thread guide eyelet of thread-carrier.

Accompanying drawing explanation

Fig. 1 represents the partial front figure used according to an example of the air injection loom of entry device of the present utility model;

Fig. 2 is the figure above of the embodiment represented according to entry device of the present utility model;

Fig. 3 is the profile of the embodiment represented according to entry device of the present utility model;

Fig. 4 is the enlarged fragmentary cross section of the major part representing 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 inserting hole

14b air supply hole

15 thread-carriers

15a pin portion

15b pars intermedia

15c fitting portion

15e rearward end

17 pipes

18 thread guide eyelets

19 annular flow path

20 entry devices

21 main elements

22 guiding partss

22a minor diameter part

22b large-diameter portion

23 cylindrical portion

24 flange parts

25 insert openings

26 through holes (passage)

27 through holes

A picking direction

B yarn feeding side (upstream side)

C reed side (downstream)

D axis direction

Detailed description of the invention

Below, based on Fig. 1 ~ 3, an embodiment of the present utility model is described.

Fig. 1 represents an example of the air injection loom using entry device of the present utility model.But, in the present embodiment, air injection loom possesses and only has the weft insertion device that mainly contains the monochrome of the so-called main burner helping picking, and this weft insertion device possesses the so-called auxiliary main burner of the picking that is carried out for auxiliary above-mentioned main burner at main burner and the position surveyed between long storage device (not shown).That is, the air injection loom of the present embodiment is formed as, and its weft insertion device possesses main burner and these two Weft insertion nozzles of auxiliary main burner, carries out a picking by collaborating of these two Weft insertion nozzles.

Specifically, as shown in Figure 1, main burner 5 is located on the reed frame 3 of support reed 4.More specifically, on reed frame 3, relative to the position of the yarn feeding side (upstream side) of reed 4 on picking direction, be provided with nozzle bracket 6a with the form being supported in reed frame 3 by the support structure identical with reed 4, this nozzle bracket 6a is provided be located at reed side pipe holder 6c, be located at than the nozzle support 6b of pipe holder 6c further from the position of reed 4.And main burner 5 is supported by pipe holder 6c with its tube portion, and main part is located on reed frame 3 by the form that nozzle support 6b supports.

In addition, auxiliary main burner 7 is arranged with the form supported by back shaft etc. at the rear of main burner 5.More specifically, on the loom frame 10 being positioned at the yarn feeding side more leaning on yarn feeding side than reed frame 3 on picking direction, utilize the screwed parts such as bolt that nozzle base 11b is installed, and be provided with back shaft 11a with the form be erected on this nozzle base 11b.In addition, back shaft 11a is provided with auxiliary main burner support member 11c, and on this auxiliary main burner support member 11c, parts and the Support bracket 11d of the tabular for supporting auxiliary main burner 7 is installed.In addition, this Support bracket 11d is formed with the through hole for installing auxiliary main burner 7.And the form that auxiliary main burner 7 is embedded in through hole with its main part is installed on Support bracket 11d, is supported by back shaft 11a via Support bracket 11d and auxiliary main burner support member 11c.

In addition, auxiliary main burner support member 11c has the through hole for back shaft 11a intercalation, and has the opening retention mechanism comprising the otch be communicated with this through hole, and it is fastened relative to the back shaft 11a being inserted through through hole fixing to utilize this opening retention mechanism.Therefore, auxiliary main burner support member 11c changes the installation site (height and position) on its length direction relative to back shaft 11a.In addition, on auxiliary main burner support member 11c, be formed with the state being installed on back shaft 11a like this through hole that through direction becomes horizontal direction.

In addition, as shown in Figure 2, Support bracket 11d is installed on auxiliary main burner support member 11c by the set bolt of the screwed through hole be inserted through on auxiliary main burner support member 11c.In addition, Support bracket 11d is fixedly with by set bolt is fastening and undertaken by the form that the head of set bolt and Support bracket 11d clamp auxiliary main burner support member 11c relative to auxiliary main burner support member 11c.Therefore, by fasteningly unclamping of being carried out by above-mentioned set bolt, Support bracket 11d can rotate around the axis of set bolt together with set bolt, thus can change the setting angle of Support bracket 11d relative to auxiliary main burner support member 11c.

And, auxiliary main burner 7 sets its height and position according to according to auxiliary main burner support member 11c relative to the position of back shaft 11a, and regulates Support bracket 11d to set in the mode making it and point to the rear end of main burner 5 relative to the setting angle of auxiliary main burner support member 11c.

In addition, in general air injection loom 1, main burner 5 and auxiliary main burner 7 use mutually isostructural nozzle.Therefore, referring to Fig. 3,4, the structure of auxiliary main burner 7 is described, but about the structure of main burner 5, also substantially the same.

Auxiliary main burner 7 is configured to, and based on nozzle body 14, has the thread-carrier 15 be installed in this nozzle body 14 and the pipe 17 be installed in nozzle body 14.Wherein, nozzle body 14 is cylindric parts, is formed with inserting hole 14a with the form through along its axis direction.In addition, nozzle body 14 is formed from its week facing to the through through hole of inserting hole 14a, this through hole becomes for supplying compressed-air actuated air supply hole 14b in inserting hole.In addition, the inserting hole 14a in nozzle body 14 is formed in the mode that the diameter of the part of the end side on its axis direction is slightly little, in inserting hole, there is stage portion 14c.And, in inserting hole, be provided with commutator 16 with the form abutted with this stage portion 14c.In addition, on nozzle body 14, with the form of the part being pressed into fixed the above-mentioned formation small diameter in inserting hole 14a, pipe 17 is installed.

Thread-carrier 15 is formed with center and the parts of tubulose along this axis direction through thread guide eyelet 18 consistent with the axis of thread-carrier 15, rearward end 15e is formed as the flange shape of the large footpath of internal diameter of the inserting hole 14a than nozzle body 14, and is formed in the mode progressively reduced towards point diameter.Namely, thread-carrier 15 is configured to, have the fitting portion 15c of the diameter chimeric with the inserting hole 14a of end 15e continuous print part and nozzle body 14 thereafter, with this fitting portion 15c via the conical surface continuously and the diameter pars intermedia 15b less than fitting portion 15c and with this pars intermedia 15b via the circular arc conical surface continuously and the diameter pin portion 15a less than pars intermedia 15b.In addition, the thread guide eyelet 18 in thread-carrier 15 is with from the rear end of thread-carrier 15 until near the rearward end of pars intermedia 15b, the mode that internal diameter reduces gradually is formed as taper.

In addition, thread-carrier 15 is formed with external screw thread at the outer peripheral face of the middle part of end side rearward of the ratio of fitting portion 15c, and the part of the rear end side of fitting portion 15c is formed as external thread part 15d.On the other hand, the end being provided with the opposition side of the side of pipe 17 of the inserting hole 14a of nozzle body 14 becomes side face within it and forms female internal thread part 14d.And, thread-carrier 15 is installed on nozzle body 14 with following form, namely, relative to the inserting hole 14a in nozzle body 14 from be provided with pipe 17 side opposition side end insert, the internal thread part 14d of external thread part 15d and inserting hole 14a is screwed togather, and the side more forward ratio external screw thread of fitting portion 15c be partially submerged into inserting hole 14a.

In addition, thread-carrier 15 is under the state being installed in nozzle body 14 as mentioned above, and pin portion 15a crosses commutator 16 and extends, until be arranged on the inner side of the pipe 17 in nozzle body 14 in inserting hole.

In addition, in thread-carrier 15, it is less than fitting portion 15c that pars intermedia 15b and pin portion 15a is formed as diameter as mentioned above, and namely external diameter is less than the internal diameter of inserting hole 14a.Therefore, be installed in as mentioned above in mouth main body 14 by thread-carrier 15, become in inserting hole, around pars intermedia 15b and pin portion 15a, form the state of the stream (annular flow path 19) of ring-type.And, on thread-carrier 15, be provided with the multiple rectification fins from its outer peripheral face radiated entends in the end of the side, pin portion of pars intermedia 15b, utilize this rectification fin near pars intermedia, to form rectification stream in annular flow path.

In addition, the air supply hole 14b above-mentioned nozzle body 14 formed is formed in the mode be communicated with the annular flow path 19 around the pars intermedia of the thread-carrier 15 in inserting hole.And be provided with connector 13 on this air supply hole 14b, the air supply pipe that auxiliary main burner 7 connects through connector 13 is connected with air supply source.

In addition, in the present embodiment, air injection loom 1, in the position at the rear of auxiliary main burner 7, possesses the weft brake 8 arranged with the form supported by the Support bracket 11d supporting auxiliary main burner 7.In addition, this weft brake 8 applies braking for giving flecition in the latter stage of picking to the weft yarn 2 being in picking process to weft yarn 2, possesses the push rod 8d, the actuator 8a of rotary actuation push rod 8d and the thread-carrier 8e for increasing the flecition of giving weft yarn 2 that are driven in rotation and give weft yarn 2 flecition.

Specifically, about each portion of this weft brake 8, position between the auxiliary main burner 7 of actuator 8a on the length direction of Support bracket 11d and auxiliary main burner support member 11c, to make output shaft 8b install towards the form of above-mentioned upstream side relative to the side in reed side (downstream) on the picking direction of Support bracket 11d.In addition, be formed with through hole in the position corresponding with the output shaft 8b of actuator 8a of Support bracket 11d, output shaft 8b is inserted through this through hole and gives prominence to towards above-mentioned upstream side from Support bracket 11d, becomes the state extended in parallel with picking direction.

In addition, push rod 8d is made up of a pair bar in the present embodiment, utilize the holding member 8c be installed on the output shaft 8b of actuator 8a, be arranged on output shaft 8b in the mode that the direction orthogonal along the bearing of trend (picking direction) with output shaft 8b extends.But being configured on picking direction of this push rod 8d becomes than auxiliary main burner 7 more by the position of above-mentioned upstream side.And, this push rod 8d, is driven by reciprocally swinging at the position of readiness of the part corresponding with this weft path in top and above-mentioned part relative to the path (weft path) of weft yarn 2 being directed to auxiliary main burner 7 by actuator 8a between the operating position of below.

In addition, about thread-carrier 8e, first, as shown in Figure 2,3, Support bracket 11d is provided with nozzle holder 12, this nozzle holder 12 by the rectangular-shaped support portion 12a be installed on Support bracket 11d and with this support portion 12a to observe in side time form the rectangular-shaped maintaining part 12b that the mode of L-shaped and support portion 12a be integrally formed and formed.But this nozzle holder 12 to be positioned at above-mentioned upstream side relative to Support bracket 11d, and is installed on Support bracket 11d in the mode of support portion 12a extension orthogonal with Support bracket 11d above above-mentioned weft path.

In addition, thread-carrier 8e is the parts of ring-type in the present embodiment, picking direction is configured between a pair bar as push rod 8d, and to comprise the configuration of above-mentioned weft path when the above-mentioned upstream side on picking direction is observed in its hole, utilize support member supports in the support portion 12a of nozzle holder 12.Thus, weft yarn 2 in the hole of the thread-carrier 8e of this ring-type through being directed to auxiliary main burner side.

And, in such weft brake 8, carry out wobble drive by push rod 8d from its position of readiness towards operating position, utilize push rod 8d and thread-carrier 8e to give weft yarn 2 flecition.

In addition, in the present embodiment, the rear of auxiliary main burner 7 away from position, namely than weft brake 8 more by the position of above-mentioned upstream side, possess the air injector (nozzle 9 of entrying) of entrying arranged with the form being supported in Support bracket 11d via nozzle holder 12.

Namely, as mentioned above, air injection loom 1 is when the rear of auxiliary main burner 7 possesses weft brake 8, because the space at the rear of auxiliary main burner 7 is narrower, therefore, entry in operation in the generation with above-mentioned staplings, be difficult to make the front end of weft yarn 2 to carry out its operation of entrying close to the rear end of auxiliary main burner 7.And as mentioned above, weft brake 8 possesses thread-carrier 8e, when entrying operation, also need to carry out entrying of the thread-carrier 8e in this weft brake 8.Therefore, in the present embodiment, air injection loom 1 possesses nozzle 9 of entrying as above.Therefore, in the present embodiment, when entrying to picking mouth, for the side in two picking mouths i.e. auxiliary main burner 7, entrying of weft yarn 2 is carried out by the compressed air sprayed from the nozzle (nozzle 9 of entrying) at the rear being configured at this auxiliary main burner 7.

About this nozzle 9 of entrying, more specifically, arrange as follows.

First, nozzle holder 12 is set to, under the state being installed on Support bracket 11d as mentioned above, when observing from the above-mentioned upstream side picking direction, the position of its maintaining part 12b and the position of Support bracket 11d are repeated, further, the through hole of main burner 7 is assisted in the installation of arranging on Support bracket 11d in the scope of this repetition.In addition, nozzle holder 12 is formed the through hole through abreast relative to the length direction of this maintaining part 12b and support portion 12a, when namely observing from above-mentioned upstream side, the through hole that its center and the installation on Support bracket 11d assist the center of the through hole of main burner 7 consistent.And the through hole on this nozzle holder 12 (maintaining part 12b) becomes the installing hole 12c for installing nozzle 9 of entrying.

In addition, nozzle 9 of entrying to be installed on nozzle holder 12 in the form that its outer peripheral face is intercalated in installing hole 12c towards Support bracket side (auxiliary main burner side) with jet.Therefore, entry nozzle 9 with the rear at auxiliary main burner 7 away from position the axis configuration consistent with the axis of auxiliary main burner 7 is arranged.

In addition, in the present embodiment, this nozzle 9 of entrying is same with above-mentioned auxiliary main burner 7 (picking mouth), be configured to, based on the nozzle body 9a of cylindrical shape, and the form be inserted into the inserting hole being formed at this nozzle body 9a is arranged on the thread-carrier 9b in nozzle body 9a.In addition, be formed for supplying compressed-air actuated air supply hole in inserting hole in nozzle body 9a, same with auxiliary main burner 7, the compressed air supplied from this air supply hole is supplied to the annular flow path around the thread-carrier 9b in the inserting hole of nozzle body 9a, sprays via the spray-hole of this annular flow path from front.But as shown in Figure 3, in the present embodiment, nozzle 9 of entrying does not possess the pipe 17 as auxiliary main burner 7, in addition, does not arrange commutator in the inserting hole of nozzle body 9a yet.Therefore, air supply hole in nozzle body 9a is formed in the mode be communicated with the air supply hole in maintaining part 12b, in addition, the air supply hole in maintaining part 12b is provided with connector 13, the air supply pipe that nozzle 9 of entrying links through connector 13 is connected with air supply source.

And, entry in nozzle 9 at such, supply from yarn feeding body (not shown) and be inserted into through surveying the weft yarn 2 after long storage device (not shown) the thread guide eyelet 9c being formed at thread-carrier 9b.In addition, this weft yarn 2 is being inserted into the nozzle 9 (thread-carrier 9b) after nozzle 9 of entrying of entrying as mentioned above, pass through in thread-carrier 8e in weft brake 8 and be inserted into the thread-carrier 15 (thread guide eyelet 18) in auxiliary main burner 7, the main burner side and the auxiliary main burner 7 of process leads.

And, in the air injection loom 1 with structure as above, carry out a picking by main burner 5 and collaborating of these two picking mouths of auxiliary main burner 7.Namely, process described above the lead weft yarn 2 of auxiliary main burner side of nozzle 9 of entrying is inserted into the thread-carrier of each picking mouth by the order of auxiliary main burner 7 and main burner 5, in the system of knitting, timing is started in the picking preset, start compressed air from the supply of air supply source to main burner 5, spray compressed air from main burner 5, thus, carry out picking by its injection stream from main burner 5 injection.In addition, with compressed air supplied to this main burner 5 match, also compressed air is supplied to auxiliary main burner 7, by spraying compressed air from auxiliary main burner 7, and utilize its injection stream from yarn feeding side-lining weft yarn 2, send towards main burner 5 simultaneously, thus, auxiliary main burner 5 do above-mentioned picking.Like this, in the weft insertion device possessing main burner 5 and these two picking mouths of auxiliary main burner 7, carry out picking by collaborating of these two picking mouths.

In addition, in weft brake 8, when starting above-mentioned picking, push rod 8d becomes the state being configured at position of readiness.And, in the timing preset in above-mentioned picking latter stage, wobble drive is carried out from position of readiness towards the mode of operating position displacement by actuator 8a with push rod 8d, thus, the weft yarn 2 be in picking process is endowed flecition as mentioned above and becomes bending state, becomes the state of braking weft yarn 2 applying in the latter stage of above-mentioned picking thus.

And, in the air injection loom 1 as above illustrated, in the utility model, possess the center that there is through hole and be set to this through hole guide part consistent with the center of the thread guide eyelet of the thread-carrier in picking mouth and with by with the through hole continuous print of this guide part inside spatial portion and the entry device of exhaust portion that formed of the mode of ft connection be configured to the rear end of the thread-carrier in picking mouth continuous, in the present embodiment, be set as this entry device to be arranged on the auxiliary main burner 7 in two picking mouths, and guide part and exhaust portion are formed as the structure of the parts of continuous print one in the axial direction, namely, be set as the passage formed this through hole and ft connection on the parts with through hole, the part with this passage works as exhaust portion, and, than the structure that this exhaust portion more leans on the part of anti-thread-carrier side to work as guide part.Below, accompanying drawing is used to describe the entry device of this present embodiment in detail.

As shown in Figure 4, the entry device 20 of the present embodiment is made up of with the guiding parts 22 of the cylindrical portion 23 being installed on main element 21 main element 21 with the cylindrical portion 23 being formed as cylindric.

Wherein, main element 21 is to be formed as with the rearward end 15e of auxiliary main burner 7, roughly with the cylindrical portion 23 of the cylindrical shape in footpath, being formed along the through insert opening 25 of above-mentioned axis direction.In addition, it is consistent with the axis of cylindrical portion 23 that this insert opening 25 is formed as its center, and the aperture that the aperture with the rearward end of the thread guide eyelet 18 than the thread-carrier 15 in auxiliary main burner 7 is slightly large.

In addition, main element 21 has the end side of the cylindrical portion 23 being formed at above-mentioned axis direction, and the flange part 24 that the form repeated with a part and cylindrical portion 23 on above-mentioned axis direction is formed, this flange part 24 is ring-type, and form expanding from the outer peripheral edge of cylindrical portion 23 during to observe on above-mentioned axis direction and cylindrical portion 23 are integrally formed.

In addition, this flange part 24 is for being installed on auxiliary main burner 7 by entry device 20 (main element 21).In addition, in the present embodiment, main element 21 carries out as follows to the installation of auxiliary main burner 7, namely, the end face of the anti-cylindrical portion side of flange part 24 is abutted with the rear end face of the nozzle body 14 of auxiliary main burner 7, and screwed part 28 spiral shells such as being inserted through the bolt of flange part 24 is inserted in the nozzle body 14 of auxiliary main burner 7.

Therefore, in the present embodiment, the outside dimension of flange part 24 becomes the size that can form the hole (installing hole) of inserting this screwed part 28, and specifically, this outside dimension is roughly the same with the outside dimension of the nozzle body 14 of auxiliary main burner 7.And, at flange part 24, to be centrally located at the form circumferentially centered by the center of flange part 24 (axle center of cylindrical portion 23), be equally spaced formed with throughout its circumferencial direction the installing hole that multiple (such as two) insert for above-mentioned screwed part 28.In addition, on nozzle body 14, centered by the axle center of nozzle body 14 circumferentially, be formed with the internal thread hole corresponding with each installing hole.The same footpath of circumference at the place, center of described circumference and installing hole.Internal thread hole is consistent with the center of corresponding installing hole.Therefore, under the state as mentioned above main element 21 (entry device 20) being installed on nozzle body 14, the position consistency of axis when cylindrical portion 23 in main element 21 and the nozzle body 14 in auxiliary main burner 7 are observed on above-mentioned axis direction, and, when above-mentioned axis direction is observed, the position consistency of the position of the axis of cylindrical portion 23 and the axis of thread-carrier 15.

In addition, flange part 24 is formed as ring-type as mentioned above, and the heart possesses the through hole of through-thickness wherein.And be positioned at the form of above described holes with the end side of the cylindrical portion 23 on above-mentioned axis direction, at above-mentioned axis direction, some repeats as mentioned above for flange part 24 and cylindrical portion 23.Therefore, the internal diameter size of the above described holes in flange part 24 is roughly the same with the outside dimension of cylindrical portion 23.In addition, as mentioned above, cylindrical portion 23 has with the rearward end of auxiliary main burner 7 roughly with the outside dimension in footpath.Therefore, the internal diameter size of the above described holes in flange part 24 is roughly the same with the outside dimension of the rearward end of auxiliary main burner 7.

In addition, as mentioned above, when entry device 20 (main element 21) is installed on the main part of auxiliary main burner 7 by flange part 24, the rearward end 15e becoming the thread-carrier 15 in auxiliary main burner 7 is positioned at the state of main element.And, in the present embodiment, under the installment state of this entry device 20 for auxiliary main burner 7, in the scope of the flange part 24 of rearward end 15e on above-mentioned axis direction of thread-carrier 15, be configured in main element with the form be incorporated in the above described holes in flange part 24.Therefore, to be formed as the size (gauge) on above-mentioned axis direction larger than the length dimension on the above-mentioned axis direction of the rearward end 15e of thread-carrier 15 for flange part 24.

But, in the present embodiment, as mentioned above, become the state be installed at entry device 20 on auxiliary main burner 7, namely, be incorporated in the state in the above described holes (hereinafter referred to as " reception hole ") in flange part 24 at the rearward end 15e of thread-carrier 15 under, the state that the rear end face of thread-carrier 15 abuts with the end face of the flange part side of the cylindrical portion 23 on above-mentioned axis direction.Therefore, the above-mentioned gauge of flange part 24 is formed as, except the length dimension on the above-mentioned axis direction of the size of the part on above-mentioned axis direction except the scope that cylindrical portion 23 repeats and the rearward end 15e of thread-carrier 15 is identical.

In addition, near the part that the described above and flange part 24 of cylindrical portion 23 on above-mentioned axis direction repeats, have with the through hole 26 formed from the outer peripheral face of cylindrical portion 23 towards the mode that insert opening 25 is through.In addition, in the present embodiment, this through hole 26 throughout the circumferencial direction of cylindrical portion 23 to be formed at equal intervals multiple (in illustrated example being four).

Guiding parts 22 is parts of the cylindrical shape with through hole 27, comprises the part (large-diameter portion 22b) that the outside dimension of the cylindrical portion 23 of the outside dimension part (minor diameter part 22a) roughly the same with the internal diameter size of the insert opening 25 that the cylindrical portion 23 in main element 21 is formed and outside dimension and main element 21 is roughly the same.And guiding parts 22 is to be intercalated in the insert opening 25 of main element 21 and the form making the end face of the minor diameter part side on large-diameter portion 22b abut with the end face of the anti-flange part side of cylindrical portion 23 is installed on main element 21 at its minor diameter part 22a.

In addition, in this guiding parts 22, the length dimension of the minor diameter part 22a on its axis direction is shorter than the length dimension of the through hole 26 from the end face of anti-flange part side to cylindrical portion 23 in cylindrical portion 23.Therefore, the state of main element 21 is installed on as mentioned above at guiding parts 22, namely under the minor diameter part 22a of guiding parts 22 is intercalated in the state of insert opening 25 of main element 21, the ora terminalis of the anti-large-diameter portion side of the minor diameter part 22a on guiding parts 22 is located on above-mentioned axis direction and more leans on anti-flange part side than the through hole of cylindrical portion 23, it is inaccessible that the through hole 26 of cylindrical portion 23 forms the minor diameter part 22a that can not be directed to parts 22, but make the state of the spatial portion of the inner side of cylindrical portion 23 and the ft connection of cylindrical portion 23.

And, in the entry device 20 with structure as above, as mentioned above, main element 21 abuts with the nozzle body 14 on auxiliary main burner 7 to make the end face of the anti-cylindrical portion side on flange part 24, and the rearward end 15e of thread-carrier 15 is incorporated in the form in reception hole, be installed on auxiliary main burner 7 by screwed part 28.In addition, in this entry device 20, as mentioned above, guiding parts 22 is intercalated in the insert opening 25 of the cylindrical portion 23 main element 21 from anti-flange part side with its minor diameter part 22a, and the form that the end face of the minor diameter part side of large-diameter portion 22b is abutted with the end face of the anti-flange part side of cylindrical portion 23 is installed on main element 21.And, form entry device 20 by the main element 21 and the guiding parts 22 be installed on this main element 21 being installed on auxiliary main burner 7 like this.

In addition, under the installment state to main burner 7 as above auxiliary, the state that the end face that the cylindrical portion 23 of the main element 21 on this entry device 20 becomes flange part side abuts with the rear end face of thread-carrier 15.That is, in the entry device 20 of the present embodiment, cylindrical portion 23 to configure with the rear end continuous print mode of thread-carrier 15 on above-mentioned axis direction.

In addition, as mentioned above, near the part repeated with flange part 24 of this cylindrical portion 23, the space (insert opening 25) of the inside making cylindrical portion 23 and the through hole 26 of ft connection is formed with.Therefore, the part being formed with this through hole 26 in cylindrical portion 23 is equivalent to the exhaust portion in the present embodiment, and this through hole 26 is equivalent to the passage be formed in exhaust portion.Therefore, in the present embodiment, exhaust portion is set as the scope from the end face abutted with the rear end face of thread-carrier 15 as mentioned above of cylindrical portion 23 to the ora terminalis of the guiding parts 22 above-mentioned axis direction.

In addition, in the utility model, as mentioned above, entry device 20 possesses guide part and exhaust portion, and this guide part is at least positioned at the end of the opposition side of the above-mentioned thread-carrier side on above-mentioned axis direction.Therefore, as mentioned above, by determining exhaust portion, in the entry device 20 of the present embodiment, the ratio exhaust portion of cylindrical portion 23 is more equivalent to guide part by the part of anti-thread-carrier side.But in the present embodiment, be provided with guiding parts 22 in the part being equivalent to this guide part of cylindrical portion 23, this guiding parts 22 also becomes a part for guide part.In other words, in the entry device 20 of the present embodiment, form guide part by the part except exhaust portion in cylindrical portion 23 and guiding parts 22.

In addition, as mentioned above, the cylindrical portion 23 of the main element 21 in entry device 20 is formed along the through insert opening 25 of above-mentioned axis direction, but the part of the scope of the exhaust portion in this insert opening 25 on above-mentioned axis direction is equivalent to the through hole formed in exhaust portion, and the space in this through hole becomes the spatial portion in the utility model in said exhaust portion.In addition, as mentioned above, have the minor diameter part 22a of guiding parts 22 in the part intercalation except exhaust portion of cylindrical portion 23, therefore, the through hole 27 of guiding parts 22 is equivalent to the through hole on the guide part in the utility model.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 are continuous print at above-mentioned axis direction.

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

More specifically, in the present embodiment, guiding parts 22 is to be intercalated in the insert opening 25 of cylindrical portion 23 (main element 21) and the form making the end face of the minor diameter part side of large-diameter portion 22b abut with cylindrical portion 23 is installed on cylindrical portion 23 (main element 21) at minor diameter part 22a.Therefore, large-diameter portion 22b in guiding parts 22 is positioned at above-mentioned axis direction and more leans on anti-thread-carrier side than the cylindrical portion 23 of main element 21, namely import the side of weft yarn 2, and the end face of the anti-minor diameter part side of this large-diameter portion 22b becomes the end face of the side of the importing weft yarn 2 of guide part.In addition, guiding parts 22 is the parts as mentioned above with through hole 27, the cross section in the direction orthogonal with above-mentioned axis direction become through hole 27 by the wall (perisporium) around it around structure.In other words, the perisporium around through hole is made to form continuously on above-mentioned axis direction.

In addition, in the guiding parts 22 of the present embodiment, as shown in the figure, no matter in which part, the cross sectional shape of above-mentioned axis direction all becomes the shape ora terminalis of anti-minor diameter part side being formed as circular shape to the perisporium around the above-mentioned through hole of formation large-diameter portion 22b.That is, the end face of the anti-minor diameter part side of guiding parts 22 is formed as circular shape.

In addition, about this circular shape, in the present embodiment, specifically, be roughly semicircle arcuation when above-mentioned cross-section, and the mode of substantial middle that its summit is positioned on the thickness direction of the perisporium forming above-mentioned large-diameter portion 22b is formed.Like this, in the present embodiment, the end face of the perisporium around the through hole of the side of the importing weft yarn 2 of end face, the i.e. guide part of the anti-minor diameter part side of guiding parts 22 is formed as comprising the part formed in the mode launched to the outside of above-mentioned thickness direction gradually towards the anti-thread-carrier side (importing the side of weft yarn 2) of above-mentioned axis direction when above-mentioned cross-section, namely becomes the circular shape of the part of a part for the inner peripheral surface of through hole.In addition, about this structure, in other words, alternatively the through hole of guide part is included in the end of the side of the importing weft yarn 2 on above-mentioned axis direction, the part formed towards the mode that anti-thread-carrier side increases gradually with internal diameter size.

Possessing in the air injection loom 1 according to the entry device 20 of the present embodiment as above, such as, in the system of knitting, when producing the staplings of weft yarn 2 than auxiliary main burner 7 (nozzle 9 of entrying) upstream side, loom is stopped, in this loom stops, removing becomes the weft yarn 2 of the state being inserted through main burner 5, auxiliary main burner 7 and nozzle 9 of entrying, and these nozzles is heavily worn again to the operation of entrying of weft yarn 2.But when this entrys operation, carry out in the following order, first, use nozzle 9 of entrying to entry to auxiliary main burner 7 as mentioned above, this is then entried to main burner 5 after entrying and terminating.

And in the entrying of this auxiliary main burner 7, first, supply the compressed air from air supply source to auxiliary main burner 7, as mentioned above, the introduction part becoming the weft yarn of the thread guide eyelet 18 in thread-carrier 15 creates the state of sucking action.In addition, accompany therewith, the compressed air from air supply source is also supplied to nozzle 9 of entrying.Thus, entrying in nozzle 9, compressed air sprays from spray-hole via the annular flow path around thread-carrier, and, with this injection, become negative pressure state in the thread guide eyelet of thread-carrier 9b, thus become the state creating sucking action in the introduction part of the weft yarn of this thread guide eyelet 9c.

In addition, time near the rearward end (introduction part of the weft yarn of entrance hole) of the close nozzle 9 of entrying in leading section of the weft yarn 2 that operator should pass, because of above-mentioned sucking action, the leading section of weft yarn 2 is imported in the thread guide eyelet of the thread-carrier 9b of nozzle 9 of entrying, and, by the compressed air sprayed from nozzle 9 of entrying, the leading section of this weft yarn 2 is carried by towards auxiliary main burner side.And the leading section of the weft yarn 2 carried towards the thread guide eyelet 18 of the thread-carrier 15 auxiliary main burner 7 by the compressed air sprayed from nozzle 9 of entrying like this is subject to the above-mentioned sucking action in auxiliary main burner 7 and is imported in the thread guide eyelet of the thread-carrier 15 in auxiliary main burner 7.In addition, in this process, pass through in the thread-carrier 8e of the leading section of weft yarn 2 in weft brake 8.Like this, the compressed air by spraying from nozzle 9 of entrying carries out auxiliary main burner 7 and is located at entrying of thread-carrier 8e in auxiliary main burner 7 and the weft brake 8 of entrying between nozzle 9.

And, in the air injection loom 1 of the present embodiment, as mentioned above, entry device 20 is arranged with the rearward end 15e continuous print form of the thread-carrier 15 in auxiliary main burner 7 to make its cylindrical portion 23, therefore, first the compressed air sprayed from nozzle 9 of entrying be imported in the through hole entry device 20, import in the thread guide eyelet of the thread-carrier 15 in auxiliary main burner 7 via this through hole, but because entry device 20 (cylindrical portion 23) is the structure as mentioned above with exhaust portion (passage), therefore, even if become the state that air is difficult in the thread guide eyelet of the thread-carrier 15 be imported in auxiliary main burner 7, the compressed air sprayed from nozzle 9 of entrying also can not to be entried nozzle side in rebound again, but be discharged to the outside of cylindrical portion 23 towards the radial direction of cylindrical portion 23 from the passage exhaust portion.

Thus, as mentioned above, start to spray compressed air from nozzle 9 of entrying, compressed air is imported in the thread guide eyelet of the thread-carrier 15 in auxiliary main burner 7, accompany therewith, the state of the saturation of the air is become in this thread guide eyelet, thus become compressed air and be difficult to be imported into the state in this thread guide eyelet, but to entry nozzle side and become the state of air turbulence owing to preventing the compressed air rebound of spraying from nozzle 9 of entrying as far as possible, even if therefore entry as above afterwards, the posture of the leading section of the weft yarn 2 carried by the compressed air sprayed from nozzle 9 of entrying also can not be unstable because of the disorder of air-flow, thus its leading section is by the through hole (thread guide eyelet 18 of the thread-carrier 15 in auxiliary main burner 7) stably imported in entry device 20.

In addition, in the present embodiment, the end face of the anti-minor diameter part side of guiding parts 22, the end face of the perisporium around the through hole of i.e. guide part is formed as circular shape, the structure of the part that the end that the through hole of guide part becomes the side being included in importing weft yarn 2 is formed towards the mode that anti-thread-carrier side increases gradually with internal diameter size, therefore, the compressed air sprayed from nozzle 9 of entrying easily flows in through hole because of wall attachment effect along above-mentioned part, thus the leading section of being carried the weft yarn 2 come by compressed air is more easily imported into the thread guide eyelet 18 of the through hole in entry device 20 and the thread-carrier 15 in auxiliary main burner 7.

In addition, in the present embodiment, as mentioned above, a part for cylindrical portion 23 works as exhaust portion, namely, guide part and exhaust portion become the structure of the main element 21 be contained in as single (integrally) parts, and entry device 20 becomes the structure be directly installed at the flange part 24 of the main element 21 as its main body on auxiliary main burner 7, therefore, under the state making the position consistency at the center of the thread guide eyelet 18 of the thread-carrier 15 in the position at the center of the through hole in guide part (cylindrical portion 23) and auxiliary main burner 7 when observing from above-mentioned axis direction, structure for rear entry device 20 being configured at thread-carrier 15 becomes simple structure.

Above an embodiment of entry device of the present utility model is illustrated, but entry device of the present utility model is not limited to above-described embodiment, as long as belonging to technical scope of the present utility model, can various distortion be carried out.Other embodiment is below described.

(1), in above-described embodiment, entry device is made up of main element and the guiding parts be installed on this main element, but in the structure of above-described embodiment, guiding parts may not be necessary, can omit.In addition, the end face of the perisporium around the through hole being equivalent to the end of the side of the importing weft yarn of the part of guide part of main element, namely the end face of anti-thread-carrier side (anti-exhaust portion side) also can be formed as circular shape.

But, the end face being not limited to the perisporium of the through hole of the side of the importing weft yarn of guide part according to entry device of the present utility model is formed as circular shape, and above-mentioned end face (end face of the anti-thread-carrier side of guiding parts or cylindrical portion) also can be formed as the shape (such as plane) beyond circular shape.

(2) in above-described embodiment, a part for the cylindrical portion of main element works as the guide part in the utility model, when above-mentioned axis direction is observed, the outer shape of guide part is formed as circular, but about guide part, as long as have the through hole namely importing weft yarn along the through hole that above-mentioned axis direction is through, therefore, outer shape is not limited to the such circle of above-described embodiment, also can be formed as polygon-shaped.In addition, in the above-described embodiments, structure is, the nozzle body being installed on picking mouth (auxiliary main burner) as the main element of the main body of entry device is supported by this nozzle body (picking mouth), but also can replace, adopt main element to be supported in the structure of the part (such as support the Support bracket of entry device etc. or support the pillar etc. of auxiliary main burner) beyond picking mouth (nozzle body) by bracket supporting member.

(3) in above-described embodiment, structure is, ratio pars intermedia on the above-mentioned axis direction of the cylindrical portion of main element more works as exhaust portion by the part of thread-carrier side, and, more work as guide part by the part of anti-thread-carrier side than this exhaust portion, at above-mentioned axis direction, the rear end of exhaust portion and thread-carrier is continuous, further, guide part is only positioned at than this exhaust portion more by anti-thread-carrier side.But, in entry device of the present utility model, as long as entry device on above-mentioned axis direction with under the state configured with the rearward end continuous print mode of thread-carrier, at least guide part is positioned at the end of the anti-thread-carrier side on above-mentioned axis direction, and about the position of the exhaust portion on above-mentioned axis direction, be not limited to as above-described embodiment continuous with the rearward end of thread-carrier.Therefore, by the entry device of the present utility model that guide part and exhaust portion are formed, also can be that guide part is positioned at than exhaust portion more by the structure of thread-carrier side.

Specifically, such as, as above-described embodiment, in the cylindrical portion by main element, exhaust portion is integrally formed with the part worked as guide part, and in the structure that the part being formed with passage works as exhaust portion, the position of the passage on above-mentioned axis direction is set to position than the passage of above-described embodiment more by anti-thread-carrier side, more will be set to larger than the appropriate section of above-described embodiment by the part of thread-carrier side than the part being formed with passage on above-mentioned axis direction.In the case of such a construction, structure is, more also work as guide part by the part of thread-carrier side than the part being formed with passage, entry device is with under the state configured with the rearward end continuous print mode of thread-carrier, except being positioned at the guide part of the end of anti-thread-carrier side, also possess guide part in the rearward end continuous print position with thread-carrier, and exhaust portion is positioned between this two guide part.

In addition, in above-described embodiment, entry device possesses guiding parts, and this guiding parts only works as a part for guide part.And for this reason, guiding parts is configured to, under the state being installed on main element in the mode of not inaccessible passage, the ora terminalis of thread-carrier side is positioned at than passage more by anti-thread-carrier side.But, in the utility model, when entry device possesses guiding parts, be not limited to guiding parts work in the part of its all part as guide part, also can be that its part has the structure identical with the exhaust portion in main element (cylindrical portion), and work as exhaust portion.Specifically, for the situation of the structure of above-described embodiment, also can be that above-mentioned ora terminalis is positioned at than being formed at the passage of cylindrical portion more by thread-carrier side, and this passage is also formed in the mode of through guiding parts.

(4) in above-described embodiment, cylindrical portion in main element forms passage, and the part being formed with passage of this cylindrical portion works as exhaust portion, thus, guide part and exhaust portion are contained in single main element, namely guide part and exhaust portion are formed by the parts of one, but entry device of the present utility model is not limited to the structure comprising guide part and exhaust portion like this in single parts, and guide part and exhaust portion also can be formed by different parts and be integrated.

In addition, in the case of such a construction, for exhaust portion, the form different from guide part can be adopted, therefore, such as exhaust portion also can be formed by the parts of netted (cellular) being formed as cylindric, also can adopt this exhaust portion be made up of the net material of cylindrical shape is installed on the guide part the structure of integration that are formed by the parts of cylindrical shape with continuous print form on above-mentioned axis direction.And when for this structure, each mesh forming the net material of exhaust portion becomes the spatial portion of the inner side making exhaust portion and the passage of ft connection.

And, for exhaust portion, be not limited to parts are formed as cylindric, and the structure of the through hole making the spatial portion inside it (spatial portion be communicated with the space in through hole of guide part) and ft connection is formed relative to the parts of this cylindrical shape, also can be by being formed with the form externally opened with the spatial portion of the Spatial continual in the through hole of guide part on above-mentioned axis direction, its spatial portion makes the space in through hole and ft connection and the structure worked as exhaust portion, namely space is formed between the guide part on above-mentioned axis direction and thread-carrier, and the structure worked as exhaust portion in this space.

Specifically, the guide part (importing side guide part) importing the side of weft yarn adopts following structure, namely, as there is cylindrical portion and be integrally provided on cylindrical portion end side ring-type flange part parts and form, and, by being inserted through the screwed part of this flange part and being installed on nozzle body or on the parts (thread-carrier side guide part) of cylindrical shape that work as the guide part being installed on nozzle body, in addition, this importing side guide part is arranged away from nozzle body (thread-carrier) or thread-carrier side guide part.In addition, as the structure of the state be provided separately for the formation of importing side guide part like this, such as adopt following structure, namely, use the cylinder lining with the length dimension corresponding with the interval importing side guide part and thread-carrier or thread-carrier side guide part, this cylinder lining is flush-mounted in above-mentioned screwed part, and, above-mentioned screwed part has from the outstanding length dimension of cylinder lining, and the part spiral shell outstanding from cylinder lining of this above-mentioned screwed part inserts in nozzle body or thread-carrier side guide part and install and import side guide part.

According to this structure, become at above-mentioned axis direction, between importing side guide part and thread-carrier or thread-carrier side guide part, be formed with the state in space.And, in the structure shown here, the part of the scope of the through hole importing side guide part that is positioned at when above-mentioned axis direction is observed in its space becomes the through hole continuous print spatial portion with guide part, and this spatial portion becomes state open towards periphery, that is, the state with ft connection is become.Therefore, work as exhaust portion in the space between this importing side guide part and thread-carrier or thread-carrier side guide part.

In addition, in above-mentioned example, adopt and be set as leaving nozzle body (thread-carrier) or thread-carrier side guide part and the structure of state that arranges by importing side guide part, namely, at above-mentioned axis direction, the structure in space is formed between guide part and thread-carrier or thread-carrier side guide part, import side guide part and be installed on nozzle body or thread-carrier side guide part by screwed part, and, use the cylinder lining being flush-mounted in this screwed part, but also can replace, the part beyond nozzle body is supported in and the structure being configured at the position leaving mouth main body (thread-carrier) or thread-carrier side guide part for importing side guide part passes through support component (bracket) etc.

(5) in above-described embodiment, the air injection loom of the auxiliary main burner carrying out a picking is collaborated with main burner only to possess one, namely possessing two by collaborating the air injection loom of the picking mouth carrying out a picking is precursor, using the picking mouth (auxiliary main burner) of the picking mouth of application entry device of the present utility model as side, most upstream, but about the air injection loom premised on the utility model, also three picking mouths (i.e. a main burner+two auxiliary main burners) can be possessed, in addition, in this case, about the picking mouth of application entry device of the present utility model, be not limited to the auxiliary main burner being configured at side, most upstream that above-described embodiment is such, also can be other picking mouth.Details as Follows.

As the air injection loom possessing two auxiliary main burners as above, have except the auxiliary main burner (the first auxiliary main burner) of above-described embodiment, also possesses the air injection loom of the second auxiliary main burner, this the second auxiliary main burner position between main burner and the first auxiliary main burner, with on the first auxiliary same loom frame being supported on yarn feeding side of main burner, and when observing along the axis direction of the first auxiliary main burner, configure in the mode that axle center is consistent with the axle center of the first auxiliary main burner.And in this air injection loom, the compressed air sometimes by spraying from the first auxiliary main burner carries out entry (weft yarn is to the importing of the thread guide eyelet of thread-carrier) to the second auxiliary main burner.Namely, have a kind of air injection loom, to the second auxiliary main burner entry be by from be configured at this second auxiliary main burner rear nozzle, namely carry out as the compressed air sprayed from the spray compressed-air actuated nozzle first auxiliary main burner when this is entried.And, in this air injection loom, also can adopt the structure by being applied to the second auxiliary main burner carrying out as mentioned above entrying according to entry device of the present utility model.

In addition, as the air injection loom possessing two auxiliary main burners (first, second auxiliary main burner), different from the structure that two auxiliary main burners described above are configured on loom frame, have the first auxiliary main burner to be configured on loom frame as above-described embodiment, and the second auxiliary main burner is configured at the loom on reed frame in the same manner as main burner.In addition, when for this structure, when the axis direction of main burner is observed, the axle center of the second auxiliary main burner is consistent with the axle center of main burner, and this second auxiliary main burner is configured at the rear of main burner.And, in such air injection loom, as disclosed in above-mentioned patent document 1, to main burner entry sometimes by from be configured at this main burner rear nozzle, namely entry time the compressed air that sprays as the spray compressed-air actuated nozzle second auxiliary main burner carry out.And, in such air injection loom, also can adopt and will be applied to the structure of carrying out the main burner of entrying as mentioned above according to entry device of the present utility model.

Like this, in the utility model, being configured at the rear of the picking mouth carrying out entrying and spraying compressed-air actuated nozzle when entrying and be not limited to the such special nozzle of entrying of above-described embodiment, also can be the auxiliary main burner being configured at the rear of carrying out the picking mouth that this is entried.

(6) in above-described embodiment, be configured to the weft brake that arranges at the rear of the auxiliary main burner being configured at side, most upstream and nozzle of entrying uses nozzle holder to be supported in the back shaft (Support bracket) supporting auxiliary main burner, but when the rear of the auxiliary main burner of side, most upstream weft brake is set and entry nozzle, the supporting construction of this weft brake and nozzle of entrying is not limited to the structure of above-described embodiment, also support shute brake apparatus and nozzle of entrying can be come by the supporting mechanism independently arranged with the back shaft etc. supporting auxiliary main burner.In addition, being not limited to weft brake and entrying nozzle by the structure of common bracket support, also can be separately by the structure supported.

In addition, in above-described embodiment, be illustrated according to the structure of entry device of the present utility model to arrange in the air injection loom of weft insertion device possessing the monochrome only with a main burner, but the air injection loom premised on the utility model is not limited to the structure of the weft insertion device possessing this monochrome, also the weft insertion device of the polychrome with multiple main burner can be possessed, in order to the picking mouth in the weft insertion device to this polychrome is entried, also can apply according to entry device of the present utility model.

In addition, the utility model is also not limited to any embodiment discussed above, only otherwise depart from its aim, just can suitably change.

Claims

1. the entry device of an air injection loom, this air injection loom possesses multiple picking mouth, described picking mouth has the nozzle body that is formed with inserting hole and to be configured in the described inserting hole of this nozzle body and to be formed with the thread-carrier of thread guide eyelet through in the axial direction, described picking mouth is by spraying from the fumarole of front the compressed air be supplied to described inserting hole via the space around the thread-carrier in described inserting hole, and utilize its injection stream picking to be inserted through weft yarn in the described thread guide eyelet of described thread-carrier, described air injection loom relies on collaborating of multiple described picking mouth to carry out a picking, wherein, for at least one of multiple described picking mouth, utilize the compressed air from being configured at least one the nozzle at rear of picking mouth described and spraying towards the described thread guide eyelet of described thread-carrier, weft yarn is penetrated described thread guide eyelet, the feature of the entry device of this air injection loom is,

Possess: guide part, it has through hole, and described guide part is set to when the described axis direction being threaded into the described thread-carrier of weft yarn by described compressed air is observed, and the center of described through hole is consistent with the center of described thread guide eyelet; Exhaust portion, it is arranged continuously with described guide part on described axis direction, and to make to be formed with the spatial portion of inner side of the Spatial continual in the described through hole of described guide part and the mode of ft connection,

Described entry device to configure with the rear end continuous print mode of described thread-carrier on described axis direction, and the end of the opposition side of the described thread-carrier side of described entry device at least on described axis direction has described guide part.

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

Described guide part and described exhaust portion are formed by the parts of the one of continuous print on described axis direction,

Described exhaust portion has with the described through hole through hole that continuous print mode is formed on described axis direction relative to described guide part, and the space of the inner side of the described through hole of described exhaust portion becomes described spatial portion, and described exhaust portion has passage that the mode of described spatial portion and ft connection is formed.

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

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