CN212175136U

CN212175136U - Jet loom nozzle

Info

Publication number: CN212175136U
Application number: CN202020240159.1U
Authority: CN
Inventors: 史连明
Original assignee: Wujiang Zhong Lian Warp Knitting Textile Co ltd
Current assignee: Wujiang Zhong Lian Warp Knitting Textile Co ltd
Priority date: 2020-03-02
Filing date: 2020-03-02
Publication date: 2020-12-18
Anticipated expiration: 2030-03-02

Abstract

The utility model discloses an air jet loom nozzle, which comprises a nozzle shell, a binding part and a weft insertion pipe, wherein the right side of the nozzle shell is provided with the binding part, the weft insertion pipe is arranged on the right end thread of the binding part, a nozzle core is arranged inside the nozzle shell and the binding part, a vent pipe is arranged at the bottom of the nozzle shell and is communicated with the inside of the nozzle core, and a yarn feeding mechanism is arranged at the left side of the nozzle shell. Unstable weft yarn running.

Description

Jet loom nozzle

Technical Field

The utility model relates to an air jet loom technical field specifically is an air jet loom nozzle.

Background

The air jet loom is a shuttleless loom which adopts jet airflow to pull weft yarns to pass through a shed, and the operating principle of the air jet loom is that air is used as a weft insertion medium, the jetted compressed airflow generates friction traction on the weft yarns to pull the weft yarns, the weft yarns wait to pass through the shed, and the purpose of weft insertion is achieved through jet flow generated by air jet.

The nozzle core in the existing air jet loom nozzle is generally directly formed with a middle conduit, the required weft yarn has a thickness which is different due to different woven fabrics, and if the inner diameter of a circular cavity of the middle conduit is designed to be too small, the thick weft yarn is difficult to pass through; if the inner diameter of the circular lumen of the central duct is designed to be large, it is ensured that also thick weft yarns can pass, but when thin weft yarns pass through the elongated circular lumen, the weft yarns may drift in the elongated circular lumen with the air flow, i.e. the weft yarn may not travel stably.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an air jet loom nozzle to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an air jet loom nozzle, includes nozzle shell, the portion of restrainting and wefting insertion pipe, nozzle shell's right side is provided with the portion of restrainting, the wefting insertion pipe is installed to the right-hand member screw thread of the portion of restrainting, nozzle shell and the inside of the portion of restrainting are provided with the nozzle core, nozzle shell's bottom is provided with the breather pipe, the breather pipe is linked together with the inside of nozzle core, nozzle shell's left side is provided with into yarn mechanism.

Preferably, the yarn feeding mechanism comprises a mounting plate, an insertion part is fixedly mounted on the right end face of the mounting plate, the insertion part is inserted into the left opening of the nozzle shell, and a yarn feeding pipe is arranged inside the mounting plate and the insertion part.

Preferably, the nozzle core comprises a first nozzle core part, a second nozzle core part and a third nozzle core part, the first nozzle core part, the second nozzle core part and the third nozzle core part are sequentially arranged from left to right, an annular air cavity is arranged inside the first nozzle core part, the inside of the annular air cavity is communicated with the air pipe through a communication hole, an air guide cavity is arranged inside the second nozzle core part, an air outlet is arranged inside the third nozzle core part, and the annular air cavity, the air guide cavity and the air outlet are communicated with each other.

Preferably, a yarn guide tube is arranged at the center of the inner part of the nozzle core, and the position of the yarn guide tube corresponds to the yarn inlet tube.

Preferably, a connecting part and an inner guide pipe are arranged inside the weft insertion pipe, the connecting part is arranged on the left side of the inner guide pipe, and a sealing gasket is arranged between the connecting part and the nozzle core.

Preferably, a plurality of beam-collecting air cavities which are uniformly distributed are arranged in the connecting part, a guide connecting cavity is formed in the center of the inside of the connecting part, the beam-collecting air cavities correspond to the air outlet, the guide connecting cavity corresponds to the yarn guide tube, a yarn guide cavity is arranged in the inner guide tube, and the yarn guide cavity is communicated with the beam-collecting air cavities and the guide connecting cavity.

Compared with the prior art, the beneficial effects of the utility model are that: a jet loom nozzle, import the woof through going into the yarn mechanism, the woof gets into inside the nozzle through going into the spool, the grafting portion is pegged graft inside the nozzle shell, therefore can go into the yarn mechanism according to the thickness of woof and replace, make the thickness adaptation woof of going into the spool, improve and lead the yarn effect, let in the compressed air current through the breather pipe, the compressed air current leads to the air guide chamber through the annular air chamber, get into the gas outlet through the air guide chamber, the woof gets into in the guide spool through going into the spool, be linked together through air outlet and air outlet of receiving, receive the air chamber of bunch and surround the setting evenly, when making the compressed air current spout from receiving the air chamber of bunch, the woof is derived from receiving the chamber, the friction force that receives each direction of compressed air current is even, reach the atress evenly, go forward stable effect, simultaneously lead between woof and the portion threaded, the yarn guide cavity with different calibers can be applied, the inner diameter of the yarn guide cavity is adaptive, weft yarn is more stably conveyed, the sealing gasket improves the sealing performance, and the ventilation effect is improved. The utility model relates to an air jet loom nozzle through setting up wefting pipe, grafting portion and receipts beam air cavity etc. has reached the effect that improves the nozzle and carry stability to the woof, has solved generally direct forming in the nozzle core among the current air jet loom nozzle and has the middle part pipe, because the difference of the cloth of weaving, required woof has the thickness to divide, if the circular intracavity diameter design of middle part pipe is great, passes through when thinner woof during long and thin circular chamber, the woof problem of unstable of marcing.

Drawings

FIG. 1 is a schematic structural view of a nozzle of an air jet loom;

FIG. 2 is a schematic view of a nozzle core structure of an air jet loom nozzle;

FIG. 3 is a schematic view of a structure at a weft insertion tube in a nozzle of an air jet loom;

fig. 4 is a right side structure diagram of a weft insertion tube in a nozzle of an air jet loom.

In the figure: 1-a nozzle shell, 2-a bundling part, 3-an air pipe, 4-a nozzle core, 5-a weft guiding pipe, 6-a splicing part, 7-a mounting plate, 8-a yarn inlet pipe, 9-a first nozzle core part, 10-a second nozzle core part, 11-a third nozzle core part, 12-a yarn guide pipe, 13-an annular air cavity, 14-a communication hole, 15-an air guide cavity, 16-an air outlet, 17-a connecting part, 18-an inner guide pipe, 19-a bundling air cavity, 20-a guiding cavity and 21-a yarn guide cavity.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides an air jet loom nozzle, includes nozzle housing 1, the portion of closing up 2 and wefting insertion 5, nozzle housing 1's right side is provided with the portion of closing up 2, the wefting insertion 5 is installed to the right-hand member screw thread of the portion of closing up 2, nozzle housing 1 and the inside of the portion of closing up 2 are provided with nozzle core 4, nozzle housing 1's bottom is provided with breather pipe 3, breather pipe 3 is linked together with nozzle core 4's inside, nozzle housing 1's left side is provided with into yarn mechanism.

The yarn feeding mechanism comprises an installation plate 7, an insertion part 6 is fixedly installed on the right end face of the installation plate 7, the insertion part 6 is inserted in the left opening position of the nozzle shell 1, and yarn feeding pipes 8 are arranged inside the installation plate 7 and the insertion part 6.

The weft yarns are guided in through the yarn feeding mechanism, enter the nozzle through the yarn feeding tube 8, and the inserting part 6 is inserted into the nozzle shell 1, so that the yarn feeding mechanism can be replaced according to the thickness of the weft yarns, the thickness of the yarn feeding tube 8 is matched with the weft yarns, and the yarn guiding effect is improved.

The nozzle core 4 comprises a first nozzle core part 9, a second nozzle core part 10 and a third nozzle core part 11, the first nozzle core part 9, the second nozzle core part 10 and the third nozzle core part 11 are sequentially arranged from left to right, an annular air cavity 13 is arranged inside the first nozzle core part 9, the inside of the annular air cavity 13 is communicated with the air pipe 3 through a communication hole 14, an air guide cavity 15 is arranged inside the second nozzle core part 10, an air outlet 16 is arranged inside the third nozzle core part 11, and the annular air cavity 13, the air guide cavity 15 and the air outlet 16 are communicated with each other

Compressed air is introduced through the vent pipe 3, is introduced into the vent chamber 15 through the annular air chamber 13, and enters the air outlet 16 through the vent chamber 15.

The nozzle core 4 is provided with a yarn guide tube 12 at the center inside, the yarn guide tube 12 corresponds to the yarn inlet tube 8, and weft yarn enters the yarn guide tube 12 through the yarn inlet tube 8.

The inside of the weft insertion tube 5 is provided with a connecting part 17 and an inner guide tube 18, the connecting part 17 is arranged on the left side of the inner guide tube 18, and a sealing gasket is arranged between the connecting part 17 and the nozzle core 4.

The inner part of the connecting part 17 is provided with a plurality of beam-collecting air cavities 19 which are uniformly distributed, the central position of the inner part of the connecting part 17 is provided with a guide cavity 20, the beam-collecting air cavities 19 correspond to the air outlet 16, the guide cavity 20 corresponds to the yarn guide tube 12, the inner part of the inner guide tube 18 is provided with a yarn guide cavity 21, and the yarn guide cavity 21 is communicated with the beam-collecting air cavities 19 and the guide cavity 20.

Be linked together through receipts beam air cavity 19 and gas outlet 16, receive beam air cavity 19 and evenly encircle the setting, when making compressed air from receiving beam air cavity 19 blowout, the woof is derived from connecing and draws chamber 20, the frictional force that receives compressed air's all directions is even, it is even to reach the atress, the stable effect of marcing, simultaneously draw between woof 5 and the receipts beam portion 2 threaded connection, can dismantle the replacement, thereby it is different to make at the woof coarse washing, can use the thread guide chamber 21 of different bore sizes, the internal diameter adaptation of thread guide chamber 21, make the woof carry more stable, sealed the pad has improved the leakproofness, the effect of ventilating has been improved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an air jet loom nozzle, includes nozzle shell (1), binding portion (2) and weft insertion pipe (5), its characterized in that: the right side of nozzle housing (1) is provided with binding portion (2), draw in weft pipe (5) are installed to the right-hand member screw thread of binding portion (2), the inside of nozzle housing (1) and binding portion (2) is provided with nozzle core (4), the bottom of nozzle housing (1) is provided with breather pipe (3), breather pipe (3) are linked together with the inside of nozzle core (4), the left side of nozzle housing (1) is provided with into yarn mechanism.

2. An air jet loom nozzle as claimed in claim 1, wherein: the yarn feeding mechanism comprises an installation plate (7), a splicing part (6) is fixedly installed on the right end face of the installation plate (7), the splicing part (6) is spliced at the left opening position of the nozzle shell (1), and yarn feeding pipes (8) are arranged inside the installation plate (7) and the splicing part (6).

3. An air jet loom nozzle as claimed in claim 2, wherein: the nozzle core (4) comprises a first nozzle core part (9), a second nozzle core part (10) and a third nozzle core part (11), the first nozzle core part (9), the second nozzle core part (10) and the third nozzle core part (11) are sequentially arranged from left to right, an annular air cavity (13) is arranged inside the first nozzle core part (9), the inside of the annular air cavity (13) is communicated with an air pipe (3) through a communicating hole (14), an air guide cavity (15) is arranged inside the second nozzle core part (10), an air outlet (16) is arranged inside the third nozzle core part (11), and the annular air cavity (13), the air guide cavity (15) and the air outlet (16) are communicated with one another.

4. An air jet loom nozzle as claimed in claim 3, wherein: the nozzle core (4) is provided with a yarn guide tube (12) at the center of the interior, and the position of the yarn guide tube (12) corresponds to the yarn inlet tube (8).

5. An air jet loom nozzle as claimed in claim 4, wherein: the novel weft insertion device is characterized in that a connecting portion (17) and an inner guide pipe (18) are arranged inside the weft insertion pipe (5), the connecting portion (17) is arranged on the left side of the inner guide pipe (18), and a sealing gasket is arranged between the connecting portion (17) and the nozzle core (4).

6. An air jet loom nozzle as claimed in claim 5, wherein: the inner part of the connecting part (17) is provided with a plurality of beam-receiving air cavities (19) which are uniformly distributed, the center position of the inner part of the connecting part (17) is provided with a guide cavity (20), the beam-receiving air cavities (19) correspond to the air outlet (16), the guide cavity (20) corresponds to the yarn guide tube (12), the inner part of the inner guide tube (18) is provided with a yarn guide cavity (21), and the yarn guide cavity (21) is communicated with the beam-receiving air cavities (19) and the guide cavity (20).