CN219731210U

CN219731210U - Side yarn tension control device

Info

Publication number: CN219731210U
Application number: CN202320974637.5U
Authority: CN
Inventors: 陈素娟; 张爱虎; 薛立涛; 雷少兰
Original assignee: HEBEI NINGFANG GROUP CO Ltd
Current assignee: HEBEI NINGFANG GROUP CO Ltd
Priority date: 2023-04-26
Filing date: 2023-04-26
Publication date: 2023-09-22
Anticipated expiration: 2033-04-26

Abstract

The utility model provides an edge yarn tension control device, which belongs to the technical field of weaving and comprises a support frame, two groups of edge bobbins, two groups of tensioning assemblies and two groups of wire assemblies; the supporting frame is used for being arranged at one side of the warp let-off mechanism; the two groups of side wire shafts are arranged on the supporting frame; the edge wire shaft is used for conveying two edge wires to the warp let-off mechanism, and the cross section size of the edge wires is larger than that of warp yarns; the two groups of tensioning assemblies are in one-to-one correspondence with the two groups of side wire shafts; the tensioning assembly is arranged on the supporting frame and is arranged above the corresponding side line shaft; the two groups of wire assemblies are in one-to-one correspondence with the two groups of side wire shafts; one end of the wire assembly is fixed on the support frame, and the other end is close to the warp let-off mechanism; wherein, the sideline passes tensioning assembly and wire assembly in proper order from the sideline axle to be arranged in the side of warp. The selvedge yarn tension control device provided by the utility model can avoid the phenomenon of slackening of the selvedge yarn of the woven fabric, reduce the risk of short weft stop, and is beneficial to improving the production efficiency.

Description

Side yarn tension control device

Technical Field

The utility model belongs to the technical field of weaving, and particularly relates to an edge yarn tension control device.

Background

The principle of jet weft insertion is that air is used as weft insertion medium, and compressed air flow is used to rub weft yarn to pull the weft yarn and further to drive the weft yarn through a shed to realize weft insertion operation. The air-jet loom adopts an air-flow weft insertion mode, weft yarns are inserted into the shed of warp yarns through air flow, and when warp and weft interweaving is not matched properly, the working efficiency is low and defective cloth is easy to generate.

When the existing jet weft insertion structure is used for weft insertion, the selvedge yarns of the plain weave are loosened, the formed cloth cover has loose selvedge with the length of about one centimeter, and the loose degree of the cloth cover is serious, so that the whole cloth cover is uneven, short weft stop is easy to cause, and the production efficiency of the woven cloth is reduced.

Disclosure of Invention

The utility model aims to provide an edge yarn tension control device, which aims to solve the technical problems that an existing weft insertion structure is easy to cause the loosening of edge yarns and the production efficiency is influenced.

In order to achieve the above purpose, the utility model adopts the following technical scheme: provided is an edge yarn tension control device including:

the supporting frame is used for being arranged at one side of the warp let-off mechanism;

two groups of side bobbins arranged on the supporting frame; the side wire shaft is used for conveying two side wires to the warp let-off mechanism, and the cross section size of the side wires is larger than that of warp yarns;

the two groups of tensioning assemblies are in one-to-one correspondence with the two groups of side wire shafts; the tensioning assembly is arranged on the supporting frame and is arranged above the corresponding side line shaft; and

one end of the wire assembly is fixed on the supporting frame, and the other end of the wire assembly is close to the warp let-off mechanism;

the side wire sequentially passes through the tensioning assembly and the wire assembly from the side wire shaft and is arranged on the side edge of the warp yarn.

In one possible implementation, one set of the side spools is disposed on the oblique front side of the other set of the side spools, and the tensioning assembly is disposed directly above the corresponding side spool.

In one possible implementation, the tensioning assembly comprises:

the tensioning wheel is arranged above the side line shaft, and the axis of the tensioning wheel is parallel to the side line shaft;

and one end of the connecting piece passes through the tensioning wheel in the vertical direction and is connected to the supporting frame.

In some embodiments, the lower end of the connecting piece is screwed with the supporting frame, and the tensioning wheel is used for rotating up and down along with the connecting piece along the vertical direction.

In one possible implementation, the wire assembly includes:

the upright post is connected to the supporting frame along the vertical direction,

one end of the connecting rod piece is fixedly connected with the upright post, and the other end of the connecting rod piece extends to the front side of the warp let-off mechanism;

a wire feeding plate arranged at the extending end of the connecting rod piece; the wire feeding plate is provided with two first wire feeding holes for enabling two side wires to correspondingly penetrate out, and the interval direction of the two first wire feeding holes is the same as the interval arrangement direction of a plurality of warp yarns.

The upright post is an extensible post, the lower end of which is fixedly arranged on the supporting frame, and the upper end of which can extend and retract along the vertical direction.

In some embodiments, the linkage comprises:

one end of the horizontal rod is horizontally connected to the upright post, and the other end of the horizontal rod extends towards the direction approaching the warp let-off mechanism;

the upper end of the lower extension rod is connected with the horizontal rod, and the lower end of the lower extension rod is connected with the wire feeding plate;

and one end of the inclined supporting rod is connected with the horizontal rod, and the other end of the inclined supporting rod is connected with the lower extending rod.

The upper end of the lower extending rod is hinged with the horizontal rod, and a plurality of connecting holes are formed in the lower extending rod at intervals; one end of the inclined stay bar is rotatably connected to the horizontal bar, and the other end of the inclined stay bar is correspondingly connected to one of the connecting holes.

In one possible implementation, the support frame includes:

the bottom plate is used for being fixed on one side of the warp let-off mechanism; the bottom plate is provided with the side wire shaft and the wire assembly;

the plurality of groups of struts are arranged on the bottom plate in an array manner; and

a top plate arranged on the top of the plurality of groups of the struts; the top surface of roof is equipped with tensioning assembly.

In some embodiments, the top plate is provided with two second wire feeding holes and two third wire feeding holes; the two second wire feeding holes are in one-to-one correspondence with the two side wire shafts, are arranged above the corresponding side wire shafts, and the two third wire feeding holes are in one-to-one correspondence with the two second wire feeding holes and are close to the warp let-off mechanism;

wherein the side wire is wound on the corresponding tensioning assembly through the corresponding second wire feeding hole and enters the wire assembly through the corresponding third wire feeding hole.

Compared with the prior art, the scheme provided by the embodiment of the utility model has the advantages that the side line is guided by the wire assembly, so that the side line extends to the outer side of the warp; through set up two cross-sectional dimension at the side of warp and be greater than warp cross-sectional dimension's sideline for the thicker cross-section sideline of cross-section forms the border of weaving, and tensioning assembly tensioning to the sideline, can alleviate the loose problem of selvedge, improve the tightness and the roughness of selvedge, reduce the risk of short weft stop, improve the production efficiency of weaving.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a yarn tension control device according to an embodiment of the present utility model;

FIG. 2 is a schematic structural view of the installation of a tensioning assembly provided by an embodiment of the present utility model;

fig. 3 is a schematic view of a partial enlarged structure at a in fig. 1.

In the figure: 1. a support frame; 11. a bottom plate; 12. a support post; 13. a top plate; 131. a second wire feed hole; 132. a third wire feed hole; 2. an edge bobbin; 21. a border; 3. a tensioning assembly; 31. a tensioning wheel; 32. a connecting piece; 4. a wire assembly; 41. a column; 42. a link member; 421. a horizontal bar; 422. a lower extension rod; 4221. a connection hole; 423. a diagonal brace; 43. a wire feeding plate; 431. a first wire feed hole; 5. a let-off mechanism; 6. warp yarns.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or be indirectly on the other element. It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements 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 utility model.

The terms "first," "second," and the like, 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 defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a number" is two or more, unless explicitly defined otherwise.

Referring to fig. 1 to 3, an explanation will be made on an edge yarn tension control device according to the present utility model. The side yarn tension control device comprises a support frame 1, two groups of side bobbins 2, two groups of tensioning assemblies 3 and a wire assembly 4; the supporting frame 1 is used for being arranged at one side of the warp let-off mechanism 5; two groups of side wire shafts 2 are arranged on the support frame 1; the side thread spool 2 is used for conveying two side threads 21 to the warp let-off mechanism 5, and the cross section size of the side threads 21 is larger than that of the warp 6; the two groups of tensioning assemblies 3 are in one-to-one correspondence with the two groups of side wire shafts 2; the tensioning assembly 3 is arranged on the supporting frame 1 and is arranged above the corresponding side line shaft 2; one end of the wire assembly 4 is fixed on the support frame 1, and the other end is close to the warp let-off mechanism 5; wherein a side wire 21 passes from the side wire shaft 2 through the tensioning assembly 3 and the wire assembly 4 in sequence and is placed at the side of the warp yarn 6.

It should be noted that, the let-off mechanism 5 in the present utility model is used for conveying warp yarn 6, and is an important component of the loom, and the let-off mechanism 5 is used for cooperating with the weft insertion mechanism, the beating-up mechanism and the winding mechanism to complete the weaving operation; the specific structure and working principle of the let-off mechanism 5 all belong to the prior art.

In the present utility model, the front and rear are defined by the traveling direction of the warp yarn 6.

Preferably, the cross-sectional dimension of the border 21 exceeds 1/3 of the cross-sectional dimension of the warp yarn 6.

Compared with the prior art, the side yarn tension control device provided by the utility model guides the side yarn 21 through the wire assembly 4, so that the side yarn 21 extends to the outer side of the warp yarn 6; through set up two cross-sectional dimension at the side of warp 6 and be greater than warp 6 cross-sectional dimension's sideline 21 for the thicker cross-section sideline 21 of cross-section forms the border of weaving, and tensioning assembly 3 is tensioning sideline 21, can alleviate the loose problem of selvedge, improves the tightness and the roughness of selvedge, reduces the risk of short weft stop, improves the production efficiency of weaving.

Referring to fig. 1, in some possible embodiments, one set of side bobbins 2 is placed on the oblique front side of the other set of side bobbins 2, and the tensioning assembly 3 is placed directly above the corresponding side bobbin 2.

When one group of side bobbins 2 is arranged on the inclined front side of the other group of side bobbins 2, the corresponding tensioning assemblies 3 are also separated, so that the conveying paths of the side wires 21 on the two groups of side bobbins 2 are separated, and the two side wires 21 are prevented from interfering during conveying.

Referring to fig. 3, in some possible embodiments, the tensioning assembly 3 includes a tensioning wheel 31 and a connecting piece 32; the tensioning wheel 31 is arranged above the side line shaft 2, and the axis of the tensioning wheel 31 is parallel to the side line shaft 2; one end of the connecting piece 32 passes through the tension pulley 31 in the vertical direction and is connected to the support frame 1.

The connection 32 is used to define the position of the tensioning wheel 31 so that the edge wire 21 is wound around the tensioning wheel 31 after passing through the top plate 13 for tensioning.

Referring to fig. 3, in some embodiments, the lower end of the connecting piece 32 is screwed with the supporting frame 1, and the tensioning wheel 31 is used for rotating up and down along with the connecting piece 32 along a vertical direction.

The connecting piece 32 is rotated up and down so as to adjust the height of the tensioning wheel 31 up and down, thereby adjusting the tensioning degree of the side line 21; the up-and-down adjustment of the connector 32 is applicable to fine adjustment of the tightness.

Referring to fig. 1, in some possible embodiments, the wire assembly 4 includes a post 41, a link member 42, and a wire feed plate 43; the upright column 41 is connected to the support frame 1 along the vertical direction, one end of the connecting rod piece 42 is fixedly connected with the upright column 41, and the other end extends to the front side of the warp let-off mechanism 5; wire feed plate 43 is disposed at the extended end of link member 42; the wire feeding plate 43 is provided with two first wire feeding holes 431 for correspondingly penetrating the two side wires 21, and the interval direction of the two first wire feeding holes 431 is the same as the interval arrangement direction of the plurality of warp yarns 6.

By providing the above-mentioned upright 41 and link member 42, the wire feeding end of the edge wire 21 is guided to the front side of the let-off mechanism 5; by providing the first wire feeding holes 431 such that the direction of the interval of the first wire feeding holes 431 is the same as the direction of the interval arrangement of the plurality of warp yarns 6, the two side wires 21 are sequentially arranged outside the warp yarns 6.

Referring to fig. 1, an exemplary column 41 is a telescopic column with a lower end fixed to a support frame 1 and an upper end telescopic in a vertical direction.

Specifically, the upright 41 is an electric telescopic rod or a telescopic cylinder, so as to realize the telescopic operation of the upright 41.

Optionally, the upright 41 adopts a structure of a sleeve and a telescopic rod, the upright 41 is fixed on the bottom plate 11 of the support frame 1, the lower end of the telescopic rod is slidably connected to the upper end of the sleeve along the vertical direction, a limit nail is arranged between the sleeve and the telescopic rod in a penetrating manner, and one end of the limit nail is radially screwed out of the sleeve and is abutted to the telescopic rod.

Referring to fig. 1, in some embodiments, the link member 42 includes a horizontal bar 421, a lower boom 422, and a diagonal brace 423; one end of the horizontal bar 421 is horizontally connected to the upright 41, and the other end extends in a direction approaching the let-off mechanism 5; the upper end of the lower extension rod 422 is connected with the horizontal rod 421, and the lower end is connected with the wire feeding plate 43; one end of the diagonal brace 423 is connected to the horizontal bar 421 and the other end is connected to the lower boom 422.

By providing the horizontal bar 421 and the lower boom 422 so as to extend the wire feed plate 43 to the front side of the let-off mechanism 5; the lower boom 422 is stably supported on the horizontal bar 421 by providing the diagonal braces 423.

Referring to fig. 1, an exemplary embodiment of the present utility model includes a lower boom 422 having an upper end hinged to a horizontal boom 421, and a plurality of connecting holes 4221 spaced apart from the lower boom 422; one end of the diagonal brace 423 is rotatably connected to the horizontal rod 421, and the other end is correspondingly connected to one of the connecting holes 4221.

The plurality of connection holes 4221 are provided so that the diagonal braces 423 correspond to a plurality of connection positions, thereby adjusting the extension angle of the lower boom 422 and further adjusting the position of the wire feed plate 43.

Referring to fig. 1, in some possible embodiments, the support frame 1 includes a bottom plate 11, a plurality of sets of struts 12, and a top plate 13; the bottom plate 11 is used for being fixed on one side of the warp let-off mechanism 5; the bottom plate 11 is provided with an edge spool 2 and a wire assembly 4; a plurality of groups of struts 12 are arranged on the bottom plate 11 in an array manner; the top plate 13 is arranged on top of the plurality of groups of struts 12; the top surface of the top plate 13 is provided with a tensioning assembly 3.

Through setting up support frame 1 into roof 13 and bottom plate 11 upper and lower spaced structure, conveniently set up limit spool 2 on bottom plate 11, set up tensioning assembly 3 simultaneously on roof 13, avoid interfering between two sets of strakes 21 when setting up limit spool 2 and tensioning assembly 3 in same horizontal plane.

Referring to fig. 2, in some embodiments, two second wire feeding holes 131 and two third wire feeding holes 132 are formed on the top plate 13; the two second wire feeding holes 131 are in one-to-one correspondence with the two side wire shafts 2 and are arranged above the corresponding side wire shafts 2, and the two third wire feeding holes 132 are in one-to-one correspondence with the two second wire feeding holes 131 and are close to the warp feeding mechanism 5; wherein the edge wire 21 is wound around the corresponding tension assembly 3 through the corresponding second wire feed hole 131 and into the wire assembly 4 through the corresponding third wire feed hole 132.

By providing the second wire feeding hole 131 and the third wire feeding hole 132, the edge wire 21 is fed to the tension assembly 3 or the wire assembly 4; preferably, mounting rings made of soft material of the sedan car are mounted in the holes of the first wire feeding holes 431, the second wire feeding holes 131 and the third wire feeding holes 132, and preferably, plastic or rubber materials are selected according to the mounting rings.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. An edge yarn tension control device, comprising:

2. The selvedge yarn tension control apparatus of claim 1 wherein one of said sets of selvedge spools is disposed obliquely forward of the other of said sets of selvedge spools and said tensioning assembly is disposed directly above the corresponding one of said selvedge spools.

3. The selvedge tension control apparatus of claim 1 wherein said tensioning assembly comprises:

4. A selvedge yarn tension control apparatus as in claim 3 wherein the lower end of the connector is threadably engaged with the support frame and the tensioner is adapted to rotate vertically up and down with the connector.

5. The selvedge tension control apparatus of claim 1 wherein said wire assembly comprises:

6. The selvedge yarn tension control apparatus of claim 5 wherein said upright is a telescoping column having a lower end secured to said support frame and an upper end telescoping in a vertical direction.

7. The selvedge tension control apparatus of claim 5 wherein said link member comprises:

8. The selvedge tension control apparatus of claim 7 wherein the upper end of said lower boom is hinged to said horizontal bar and a plurality of attachment holes are spaced from said lower boom; one end of the inclined stay bar is rotatably connected to the horizontal bar, and the other end of the inclined stay bar is correspondingly connected to one of the connecting holes.

9. The selvedge tension control apparatus of claim 1 wherein said support frame comprises:

10. The selvedge yarn tension controlling apparatus according to claim 9 wherein the top plate is provided with two second feed openings and two third feed openings; the two second wire feeding holes are in one-to-one correspondence with the two side wire shafts, are arranged above the corresponding side wire shafts, and the two third wire feeding holes are in one-to-one correspondence with the two second wire feeding holes and are close to the warp let-off mechanism;