CN213172794U

CN213172794U - Automatic weft accumulator

Info

Publication number: CN213172794U
Application number: CN202021077786.4U
Authority: CN
Inventors: 刘春晖; 张艳; 李锦华; 赵相贤
Original assignee: Kefangle Special Textiles Taicang Co ltd
Current assignee: Kefangle Special Textiles Taicang Co ltd
Priority date: 2020-06-11
Filing date: 2020-06-11
Publication date: 2021-05-11
Anticipated expiration: 2030-06-11

Abstract

The utility model discloses an automatic weft accumulator, which comprises a weft storage mechanism and a yarn guide mechanism, wherein the weft storage mechanism comprises a weft storage frame, a bobbin and a driving device, the bobbin is arranged on the weft storage frame and is used for placing weft yarn rolls, the driving device is in transmission connection with the bobbin, and the driving device can drive the bobbin to release the weft yarn rolls; the yarn guide mechanism comprises a yarn guide frame, a guide plate, a yarn guide wheel and a suction device, the yarn guide frame is arranged adjacent to the weft storage frame, the guide plate is arranged on one side, close to the weft storage frame, of the yarn guide frame, the guide plate comprises a guide ceramic ring, a yarn guide channel is arranged on one vertical side of the yarn guide frame, a yarn guide opening is formed in the top of the yarn guide channel, the yarn guide wheel is arranged on the yarn guide frame and located on one side, close to the weft storage frame, of the yarn guide opening, the yarn guide wheel can rotate relative to the axis of the yarn guide wheel, and a yarn guide buckle is further arranged on one side, far away from the weft storage frame, of the; the suction device is communicated with the bottom of the yarn guide channel, and air and weft yarns are sucked into the yarn guide channel by the suction device through the yarn guide port.

Description

Automatic weft accumulator

Technical Field

The utility model belongs to the technical field of the carbon cloth weaving, especially, relate to an automatic weft accumulator.

Background

When the carbon fiber loom weaves the carbon fiber cloth, the weft insertion mechanism pulls the weft yarns to pass through the shed of the warp yarns, and after the weft insertion is finished, the weft yarns and the warp yarns are interwoven into a fabric; with the technological progress, the weaving speed of the loom is increased, so that the weft insertion speed is increased. The tension of weft yarn and warp yarn is required to be uniform and stable in the weft insertion process, when the existing weft storage device conveys the weft yarn to a weft insertion mechanism, a plurality of rollers are usually used for adjusting and controlling the tension of the weft yarn, but under the high-speed traction of the weft insertion mechanism, the friction force between the weft yarn and the rollers and the conveying mechanism can be increased, the surface of the weft yarn is easy to wear and fluff by continuous yarn guiding, the strength of the weft yarn is damaged, and the quality and the attractiveness of the woven carbon fiber cloth are influenced; in addition, under the influence of excessively high friction force, weft breakage of weft yarns can occur, the weaving efficiency of the carbon fiber cloth is greatly influenced, and unnecessary economic loss is brought to users.

The above description is included in the technical recognition scope of the inventors, and does not necessarily constitute the prior art.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model aims at providing an automatic weft accumulator can reduce the contact friction that the woof pull the in-process, and the tension that the woof received is even, leads the yarn unhairing in succession, reduces the intensity damage to the woof, improves the stability that carbon cloth woven and weaves the quality, makes the carbon cloth outward appearance pleasing to the eye, promotes production efficiency, and the practicality is strong, has wide market prospect.

In order to achieve the purpose, the utility model provides an automatic weft accumulator which is characterized in that the automatic weft accumulator comprises a weft storage mechanism and a yarn guide mechanism, the weft storage mechanism comprises a weft storage frame, a bobbin and a driving device, the bobbin is arranged on the weft storage frame, the bobbin is used for placing a weft yarn roll, the driving device is in transmission connection with the bobbin, and the driving device can drive the bobbin to rotate around the axis of the bobbin so as to unreel the weft yarn roll; the yarn guiding mechanism comprises a yarn guiding frame, a guide plate, a yarn guiding wheel and a suction device, the yarn guiding frame is arranged adjacent to the weft storage frame, the guide plate is arranged on one side, close to the weft storage frame, of the yarn guiding frame, the guide plate comprises a guide ceramic ring, a yarn guiding channel is arranged on one vertical side of the yarn guiding frame, a yarn guiding opening is formed in the top of the yarn guiding channel, the yarn guiding wheel is arranged on the yarn guiding frame and is positioned on one side, close to the weft storage frame, of the yarn guiding opening, the yarn guiding wheel can rotate around the axis of the yarn guiding frame relative to the yarn guiding frame, a yarn guiding buckle is further arranged on one side, far away from the weft storage frame, of the yarn guiding opening on the yarn guiding frame, and weft yarns of weft yarn rolls sequentially pass through the guide ceramic ring, the yarn guiding wheel, the yarn guiding channel and the yarn guiding buckle and are drawn to a loom; the suction device is communicated with the bottom of the yarn guide channel and is used for generating suction airflow so as to suck air and the weft yarn into the yarn guide channel from the yarn guide opening and provide tension for the weft yarn.

In one example, the guide plate further comprises a plate body and a connecting piece arranged at one end of the plate body, the guide ceramic ring is connected to the plate body through the connecting piece and protrudes out of one side of the plate body, the weft yarn passes through an inner ring of the guide ceramic ring and is drawn to the yarn guide wheel to limit a drawing path of the weft yarn, and the connecting piece can rotate relative to the other end of the plate body to adjust the drawing direction and position of the guide ceramic ring.

In one example, the yarn guide mechanism further comprises a yarn guide wheel driving device arranged on the yarn guide frame, and the yarn guide wheel driving device is in transmission connection with the yarn guide wheel and is used for driving the yarn guide wheel to rotate around the axis of the yarn guide wheel.

In one example, the yarn guide buckle is provided with a yarn through hole for the weft yarn to pass through, and the installation position of the yarn guide buckle on the yarn guide frame can be adjusted so as to adjust the relative position of the yarn through hole and the yarn guide opening.

In one example, the yarn guide frame is further provided with a limit pin vertically penetrating through the yarn guide channel, and the position of the limit pin on the yarn guide frame can be adjusted along the vertical direction so as to be close to or far away from the yarn guide port.

In one example, the yarn guide mechanism further comprises a traction arm which is arranged on the yarn guide frame and extends out towards one side far away from the weft storage frame; the traction arm is provided with a plurality of traction porcelain rings, and the weft yarns are drawn to the loom through inner rings of the traction porcelain rings to define traction paths of the weft yarns.

In one example, the traction arm comprises a plurality of connecting sections, and the connecting sections can rotate relative to the connecting parts so as to adjust the traction direction and the position of the traction porcelain ring.

In one example, the weft storage mechanism further comprises a weft storage cover, the bobbin is arranged at the top of the weft storage frame, the weft storage cover is arranged at the top of the weft storage frame, and the top of the weft storage cover is provided with a weft feeding port.

In one example, the weft storage cover further comprises a cover body and a weft changing door, the weft feeding port is arranged at the top of the cover body, a weft changing port is further arranged on one vertical side of the cover body, and the weft changing door is rotatably connected to the vertical side of the cover body and can open or close the weft changing port; and the side wall of the cover body and the door plate of the weft replacing door are made of transparent materials.

Through the utility model provides an automatic weft accumulator can bring following beneficial effect:

1. the guiding porcelain ring of the guiding plate is used for guiding the weft yarn in a traction manner, so that the structure is simple, the traction direction of the weft yarn is ensured, and the weft yarn traction process is uniform and stable; the yarn guide wheel can rotate around the axis of the yarn guide wheel, so that the friction force between the yarn guide wheel and weft yarns is reduced; can produce the suction air current of invariable suction in leading the yarn passageway through suction device, thereby lead in the yarn passageway with the woof suction, and provide the tension of pulling the woof by suction, woof suction air current's effect can fluctuate in leading the yarn passageway, thereby it pulls tension balance to realize controlling the woof through the length of controlling the woof that floats in leading the yarn passageway, reach the tension's of woof yarn sending invariable, need not use running roller adjustment control woof tension, can reduce the contact friction of woof traction in-process with the creel, the tension that the woof received is even, and lead the non-fluff of yarn in succession, reduce the intensity damage to the woof, the stability and the weaving quality that improve carbon fiber cloth and weave, make carbon fiber cloth outward appearance pleasing to the eye, promote production efficiency, moreover, the steam generator is simple in structure, it is better to pull.

2. Guide spacing is carried out to the woof through direction porcelain ring, prevents that the position of woof from producing the skew, through the direction of traction and the position of adjustment direction porcelain ring, can adjust the woof and pull the direction of traction to the yarn guide wheel, and the direction effect is better, is favorable to reducing the contact friction of woof and yarn guide wheel, and the woof pulls the even stability of process, and the tension that the woof received is even, is favorable to improving carbon cloth and weaves the quality, and the practicality is strong.

3. The yarn guide wheel driving device drives the yarn guide wheel to rotate, so that the friction force between the yarn guide wheel and weft yarns in the traction process of the weft yarns is reduced, the continuous yarn guide is free from fluffing, the strength damage to the weft yarns is reduced, the weaving quality of carbon fiber cloth is improved, the appearance is attractive, and the practicability is high.

4. It is spacing to lead to the woof through the hole of wearing, prevents that the position of woof from producing the skew, and leads the yarn and detain the mounted position on the creel of leading through the adjustment, and then can adjust the position of woof, is favorable to reducing the contact friction that woof and lead the yarn knot, makes the woof draw the even stability of process, and the tension that the woof received is even, is favorable to improving carbon cloth and weaves the quality, and the practicality is strong.

5. Through setting up the spacer pin, can prevent that the woof from deviating from and lead the yarn passageway, guarantee to pull and lead the yarn effect, make the drawing tension that the woof received even, be favorable to improving carbon cloth and weave the quality, the practicality is strong.

6. Through setting up the draft arm and a plurality of porcelain ring that pulls, prescribe a limit to the traction path direction of woof, guarantee the direction of pulling of woof, make the woof pull to the even stability of process of loom, reduce the woof and pull the contact friction to the loom, the tension that the woof received is even, leads the yarn unhairing in succession, reduces the intensity damage to the woof, is favorable to improving carbon cloth and weaves the quality, and the practicality is strong.

7. Through setting up a plurality of linkage segments, can adjust the route of drawing of woof, the direction effect is better, is favorable to reducing the contact friction of woof and trailing arm, makes the woof draw the even stability of process, is applicable to multiple work demand moreover, and the practicality is strong.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:

FIG. 1 is a front view of an automatic weft accumulator of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an enlarged view of the portion B in FIG. 1;

FIG. 4 is an enlarged schematic view of the portion C in FIG. 1;

fig. 5 is a top view of the automatic weft accumulator of the present invention.

In the figure: 1-weft storage mechanism, 11-weft storage rack, 12-yarn tube, 13-driving device, 14-weft storage cover, 141-weft feeding port, 142-cover body, 143-weft changing door, 144-weft changing port, 2-yarn guide mechanism, 21-yarn guide rack, 211-yarn guide channel, 212-yarn guide port, 213-yarn guide buckle, 214-yarn through hole, 215-limit pin, 22-guide plate, 221-guide ceramic ring, 222-plate body, 223-connecting sheet, 23-yarn guide wheel, 24-suction device, 25-yarn guide wheel driving device, 26-traction arm, 261-traction ceramic ring and 262-connecting section.

Detailed Description

In order to more clearly explain the overall concept of the present invention, the following detailed description is given by way of example in conjunction with the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. In the description herein, references to the description of the terms "an aspect," "some aspects," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the aspect or example is included in at least one aspect or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same solution or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more aspects or examples.

As shown in fig. 1 to 5, the embodiment of the present invention provides an automatic weft accumulator, which includes a weft storage mechanism 1 and a yarn guide mechanism 2. The weft storage mechanism 1 comprises a weft storage frame 11, a bobbin 12 and a driving device 13, wherein the bobbin 12 and the driving device 13 are arranged on the weft storage frame 11, the bobbin 12 is used for placing a weft yarn roll, the driving device 13 is in transmission connection with the bobbin 12, and the driving device 13 can drive the bobbin 12 to rotate around the axis of the driving device to unreel the weft yarn roll; the yarn guide mechanism 2 comprises a yarn guide frame 21, a guide plate 22, a yarn guide wheel 23 and a suction device 24, the yarn guide frame 21 is arranged adjacent to the weft storage frame 11, the guide plate 22 is arranged on one side, close to the weft storage frame 11, of the yarn guide frame 21, the guide plate 22 comprises a guide porcelain ring 221, a yarn guide channel 211 is arranged on one vertical side of the yarn guide frame 21, a yarn guide opening 212 is formed in the top of the yarn guide channel 211, the yarn guide wheel 23 is arranged on the yarn guide frame 21 and located on one side, close to the weft storage frame 11, of the yarn guide opening 212, the yarn guide wheel 23 can rotate around the axis of the yarn guide frame 21 relative to the yarn guide frame 21, a yarn guide buckle 213 is further arranged on one side, far away from the weft storage frame 11, of the yarn guide opening 212 on the yarn guide frame 21, and weft yarns of a weft yarn roll sequentially pass through the guide porcelain ring 221, the yarn guide; a suction device 24 is in communication with the bottom of the yarn guide channel 211, the suction device 24 being adapted to generate a suction air flow to draw air and weft yarn from the yarn guide opening 212 into the yarn guide channel 211 and to provide tension to the weft yarn. The weft yarns are guided by the guide ceramic rings 221 of the guide plates 22 in a traction manner, the structure is simple, the traction direction of the weft yarns is ensured, and the weft yarn traction process is uniform and stable; the yarn guide wheel 23 can rotate around the axis of the yarn guide wheel, so that the friction force between the yarn guide wheel 23 and weft yarns is reduced; the suction device 24 can generate suction airflow with constant suction force in the yarn guide channel 211 so as to suck weft yarn into the yarn guide channel 211, and the suction force provides tension for pulling weft yarn, the weft yarn can float up and down in the yarn guide channel 211 under the action of the suction airflow, when the weft yarn unwinding speed is too high or the weft yarn pulling speed of the loom is too low so that the tension of the weft yarn is reduced, the length of the weft yarn sucked into the yarn guide channel 211 is increased, the tension on the weft yarn is increased by the descending of the weft yarn, when the weft yarn unwinding speed is too low or the weft yarn pulling speed of the loom is too high so that the tension of the weft yarn is increased, the length of the weft yarn sucked into the yarn guide channel 211 is reduced, the tension on the weft yarn is reduced by the ascending of the weft yarn, thereby the balance of the weft yarn pulling tension is controlled by controlling the length of the weft yarn floating, can reduce the woof and pull the in-process and lead the contact friction of creel 21, the tension that the woof received is even, and leads the yarn unhairing in succession, reduces the intensity damage to the woof, improves the stability that carbon cloth woven and weave the quality, makes the carbon cloth outward appearance pleasing to the eye, promotes production efficiency, simple structure moreover, and it is better to pull the yarn effect of leading, and the practicality is strong, has wide market prospect.

In one embodiment, the suction device 24 is a suction fan.

Specifically, the guide plate 22 further includes a plate body 222 and a connecting piece 223 disposed at one end of the plate body 222, the guide porcelain ring 221 is connected to the plate body 222 through the connecting piece 223 and protrudes out of one side of the plate body 222, the weft is drawn to the guide wheel 23 through an inner ring of the guide porcelain ring 221 to define a drawing path of the weft, and the connecting piece 223 can be rotationally moved relative to the other end of the plate body 222 to adjust a drawing direction and position of the guide porcelain ring 221. Guide spacing is carried out to the woof through direction porcelain ring 221, prevent that the position of woof from producing the skew, through the direction of traction and the position of adjustment direction porcelain ring 221, can adjust the woof and pull the direction of traction that leads to yarn guide wheel 23, the direction effect is better, is favorable to reducing the contact friction of woof and yarn guide wheel 23, and the woof pulls the even stability of process, and the tension that the woof received is even, is favorable to improving carbon fiber cloth and weaves the quality, and the practicality is strong.

In one embodiment, the inner ring surface of the guide ceramic ring 221 is a circular arc surface.

Specifically, the yarn guiding mechanism 2 further comprises a yarn guiding wheel driving device 25 arranged on the yarn guiding frame 21, and the yarn guiding wheel driving device 25 is in transmission connection with the yarn guiding wheel 23 and is used for driving the yarn guiding wheel 23 to rotate around the axis of the yarn guiding wheel 23. Through leading yarn wheel drive arrangement 25 drive yarn wheel 23 and rotate, be favorable to reducing the woof at the friction between the traction in-process yarn wheel 23 and the woof, lead yarn unhairing in succession, reduce the intensity damage to the woof, improve carbon fiber cloth and weave quality and outward appearance pleasing to the eye, the practicality is strong.

Specifically, the thread guide button 213 has a thread passing hole 214 for passing the weft thread therethrough, and the mounting position of the thread guide button 213 on the creel 21 can be adjusted to adjust the relative position of the thread passing hole 214 and the thread guide opening 212. Guide spacing to the woof through wearing yarn hole 214, prevent that the position of woof from producing the skew, and lead the thread gluing 213 mounted position on the creel 21 through the adjustment, and then can adjust the position of woof, be favorable to reducing the woof and lead the contact friction who thread gluing 213, make the woof draw the even stability of process, the tension that the woof received is even, is favorable to improving carbon cloth and weaves the quality, the practicality is strong.

In one embodiment, the wall of the threading hole 214 is a circular arc.

Specifically, the yarn guide frame 21 is further provided with a limit pin 215 vertically penetrating through the yarn guide channel 211, and the position of the limit pin 215 on the yarn guide frame 21 can be adjusted along the vertical direction to be close to or far away from the yarn guide port 212. Through setting up spacer pin 215, can prevent that the woof from deviating from and lead yarn passageway 211, guarantee to pull and lead the yarn effect, make the tension of pulling that the woof received even, be favorable to improving carbon cloth and weave the quality, the practicality is strong.

In particular, the thread guiding mechanism 2 further comprises a drawing arm 26, the drawing arm 26 is arranged on the thread guiding frame 21 and extends towards one side far away from the weft storage frame 11; the pulling arm 26 is provided with a plurality of pulling porcelain rings 261, and the weft yarn is pulled to the loom through the inner rings of the pulling porcelain rings 261 to define the pulling path of the weft yarn. Through setting up draw arm 26 and a plurality of porcelain ring 261 that pulls, prescribe a limit to the traction path direction of woof, guarantee the direction of pulling of woof, make the woof pull to the even stability of process of loom, reduce the woof and pull the contact friction to the loom, the tension that the woof received is even, leads the yarn in succession and does not have a hair, reduces the intensity damage to the woof, is favorable to improving carbon cloth and weaves the quality, and the practicality is strong.

In one embodiment, the inner surface of the pulling porcelain ring 261 is a circular arc surface.

Specifically, the pulling arm 26 includes a plurality of connecting sections 262, and the plurality of connecting sections 262 can rotate relative to the connecting position to adjust the pulling direction and position of the pulling porcelain ring 261. Through setting up a plurality of linkage segments 262, can adjust the traction path of woof, the direction effect is better, is favorable to reducing the contact friction of woof and trailing arm 26, makes the woof draw the even stability of process, is applicable to multiple work demand moreover, and the practicality is strong.

Specifically, the weft storage mechanism 1 further comprises a weft storage cover 14, the bobbin 12 is arranged on the top of the weft storage rack 11, the weft storage cover 14 is covered on the top of the weft storage rack 11, and the top of the weft storage cover 14 is provided with a weft feeding port 141. Through setting up weft storage cover 14, prevent that the woof from being infected with outside filoplume dust, be favorable to improving carbon cloth and weave the quality, make carbon cloth outward appearance pleasing to the eye, the practicality is strong.

Specifically, the weft storage cover 14 further comprises a cover body 142 and a weft changing door 143, the weft insertion port 141 is arranged at the top of the cover body 142, a weft changing port 144 is further arranged on one vertical side of the cover body 142, and the weft changing door 143 is rotatably connected to the vertical side of the cover body 142 and can open or close the weft changing port 144; and the side wall of the cover 142 and the door panel of the weft replacing door 143 are made of transparent materials. Through setting up trade latitude mouth 144 and trade latitude door 143, conveniently change the latitude yarn book, and the lateral wall of the cover body 142 and the door plant of trading latitude door 143 adopt transparent material to make, the pulling condition of observation woof that can be better, conveniently in time change the latitude yarn book, be favorable to improving work efficiency, the practicality is strong.

The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.

The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. An automatic weft accumulator is characterized by comprising a weft storage mechanism and a yarn guide mechanism, wherein the weft storage mechanism comprises a weft storage frame, a bobbin and a driving device, the bobbin is arranged on the weft storage frame, the bobbin is used for placing a weft yarn roll, the driving device is in transmission connection with the bobbin, and the driving device can drive the bobbin to rotate around the axis of the driving device so as to unreel the weft yarn roll;

the yarn guiding mechanism comprises a yarn guiding frame, a guide plate, a yarn guiding wheel and a suction device, the yarn guiding frame is arranged adjacent to the weft storage frame, the guide plate is arranged on one side, close to the weft storage frame, of the yarn guiding frame, the guide plate comprises a guide ceramic ring, a yarn guiding channel is arranged on one vertical side of the yarn guiding frame, a yarn guiding opening is formed in the top of the yarn guiding channel, the yarn guiding wheel is arranged on the yarn guiding frame and is positioned on one side, close to the weft storage frame, of the yarn guiding opening, the yarn guiding wheel can rotate around the axis of the yarn guiding frame relative to the yarn guiding frame, a yarn guiding buckle is further arranged on one side, far away from the weft storage frame, of the yarn guiding opening on the yarn guiding frame, and weft yarns of weft yarn rolls sequentially pass through the guide ceramic ring, the yarn guiding wheel, the yarn guiding channel and the yarn guiding buckle and are drawn to a loom; the suction device is communicated with the bottom of the yarn guide channel and is used for generating suction airflow so as to suck air and the weft yarn into the yarn guide channel from the yarn guide opening and provide tension for the weft yarn.

2. The automatic weft accumulator according to claim 1, wherein the guide plate further comprises a plate body and a connecting piece arranged at one end of the plate body, the guide ceramic ring is connected to the plate body through the connecting piece and protrudes out of one side of the plate body, the weft yarn is drawn to the yarn guide wheel through an inner ring of the guide ceramic ring to define a drawing path of the weft yarn, and the connecting piece can rotate relative to the other end of the plate body to adjust the drawing direction and position of the guide ceramic ring.

3. The automatic weft feeder according to claim 1, characterized in that the yarn guiding mechanism further comprises a yarn guiding wheel driving device arranged on the yarn guiding frame, and the yarn guiding wheel driving device is in transmission connection with the yarn guiding wheel and is used for driving the yarn guiding wheel to rotate around the axis of the yarn guiding wheel.

4. The automatic weft feeder according to claim 1, wherein the thread guide buckle has a thread passing hole for the weft thread to pass through, and the mounting position of the thread guide buckle on the thread guide frame can be adjusted to adjust the relative position of the thread passing hole and the thread guide opening.

5. The automatic weft accumulator according to claim 1, characterized in that the yarn guide is further provided with a limit pin vertically penetrating the yarn guide channel, and the position of the limit pin on the yarn guide is vertically adjustable to be close to or far from the yarn guide opening.

6. An automatic weft feeder according to claim 1, characterized in that the yarn guide means further comprise a trailing arm provided on the yarn guide and projecting towards a side remote from the weft storage; the traction arm is provided with a plurality of traction porcelain rings, and the weft yarns are drawn to the loom through inner rings of the traction porcelain rings to define traction paths of the weft yarns.

7. An automatic weft feeder according to claim 6, characterized in that the pulling arm comprises a plurality of connecting sections, which can be rotated relative to the joint to adjust the pulling direction and position of the pulling porcelain ring.

8. The automatic weft accumulator according to any one of claims 1 to 7, characterized in that the weft storage mechanism further comprises a weft storage cover, the yarn tube is arranged on the top of the weft storage rack, the weft storage cover is arranged on the top of the weft storage rack, and the top of the weft storage cover is provided with a weft feeding port.

9. The automatic weft accumulator according to claim 8, characterized in that the weft accumulator further comprises a cover body and a weft changing door, the weft insertion opening is arranged at the top of the cover body, a weft changing opening is further arranged at one vertical side of the cover body, and the weft changing door is rotatably connected to the vertical side of the cover body and can open or close the weft changing opening; and the side wall of the cover body and the door plate of the weft replacing door are made of transparent materials.