CN217839282U

CN217839282U - Weft poking mechanism of high-performance fiber multilayer weaving machine

Info

Publication number: CN217839282U
Application number: CN202221720939.1U
Authority: CN
Inventors: 陈华; 周玉峰; 陈子龙; 李乐
Original assignee: Suzhou Lizhi High Performance Fiber Preform Industry Research Institute Co ltd; Wujiang Wangong Electromechanical Equipment Co ltd
Current assignee: Suzhou Lizhi High Performance Fiber Preform Industry Research Institute Co ltd; Wujiang Wangong Electromechanical Equipment Co ltd
Priority date: 2022-07-06
Filing date: 2022-07-06
Publication date: 2022-11-18
Anticipated expiration: 2032-07-06

Abstract

The utility model discloses a high performance fibre multilayer loom's weft poking mechanism, comprising a base plate, be equipped with a set of rigidity rapier subassembly on the bottom plate, be equipped with a right angle support on the bottom plate, be equipped with through elevating system on the riser leading flank of right angle support and dial latitude shift fork slip guide block, the leading flank of shift fork slip guide block is articulated with the upper end trailing flank of dialling the latitude shift fork, be equipped with on the riser trailing flank of right angle support and dial latitude shift fork step motor, it is located the below of shift fork slip guide block to dial latitude shift fork step motor, dial behind the riser that latitude shift fork step motor's output shaft passed right angle support forward with dial articulate one end trailing flank fixed connection, it is articulated with the middle part trailing flank of dialling the latitude shift fork to dial articulate other end leading flank. The utility model discloses can dial the latitude once before every woof beat-up to let the woof remove to the fell of a loom before formal beat-up, thereby guarantee that the woof is not crooked, serious wearing and tearing when having avoided special fiber to weave effectively have reduced the flaw on fabric surface.

Description

Weft poking mechanism of high-performance fiber multilayer weaving machine

Technical Field

The utility model belongs to high performance fibre multilayer loom field, concretely relates to high performance fibre multilayer loom's latitude mechanism of dialling.

Background

The traditional plane fabric is formed by interweaving warp yarns and weft yarns on the same plane (X and Y directions), the adopted fiber yarns are mostly traditional fibers such as cotton, chemical fibers and real silk, and the fibers have certain flexibility and extensibility and are easy to bend or draft in the interweaving process. The high-performance fiber multilayer loom generally adopts quartz fiber, glass fiber, carbon fiber, basalt fiber and other special fibers to be interwoven in the X, Y, Z three directions to form a multilayer three-dimensional fabric (as shown in fig. 7). The high-performance fiber multi-layer weaving machine not only needs to complete weaving of single-layer fabrics, but also needs to complete interweaving of yarns among layers, and weft yarns used in the weaving machine can not be folded or excessively bent and loosened. The above factors cause severe abrasion of the special fiber during weaving, thereby causing defects on the fabric surface and failing to improve the yield.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that exists among the prior art, the utility model provides a high performance fibre multilayer loom's picking mechanism for carry out a picking before every woof beating-up, so that let the woof remove to the fell of a loom before formal beating-up, thereby guarantee that the woof is not crooked.

For solving the technical problem, realize above-mentioned technological effect, the utility model discloses a following technical scheme realizes:

the utility model provides a high performance fibre multilayer loom's weft poking mechanism, is used for the bottom plate fixed with the loom frame including one, be provided with a set of rigid rapier subassembly that is used for sending weft to the shed on the bottom plate, be provided with one on the bottom plate to the right angle support that rigid rapier subassembly send weft direction stretches out, be provided with a weft poking fork slip guide block through a set of lifting unit on the riser leading flank of right angle support, the leading flank of weft poking fork slip guide block is articulated with the upper end trailing flank of a weft poking fork, be provided with a weft poking fork step motor on the riser trailing flank of right angle support, weft poking fork step motor is located the below of weft poking fork slip guide block, weft poking fork step motor's output shaft passes forward behind the riser of right angle support and a weft poking crank's one end trailing flank fixed connection, weft poking crank's other end leading flank with the middle part trailing flank of weft poking fork is articulated.

Furthermore, the lifting assembly consists of a linear guide rail and a guide rail sliding block, the linear guide rail is fixed on the front side face of a vertical plate of the right-angle support along the Z direction, the guide rail sliding block is slidably arranged on the linear guide rail, and the weft poking shifting fork sliding guide block is fixed on the guide rail sliding block.

Furthermore, the poking weft fork comprises a connecting rod of the upper half and a poking rod of the lower half, the poking rod of the poking weft fork is of a cylindrical structure with a round section, the connecting rod of the poking weft fork is of a cylindrical structure with a square section, a poking fork sliding guide block hinge pin hole penetrating through the front surface and the rear surface of the poking weft fork is formed in the upper end of the connecting rod of the poking weft fork, and a poking weft crank hinge pin hole penetrating through the front surface and the rear surface of the poking weft fork is formed in the lower end of the connecting rod of the poking weft fork.

Furthermore, the lower end of the poke rod of the weft poking fork is provided with an arc-shaped groove which is convenient for hooking weft yarns.

Further, the right angle support comprises diaphragm, riser, gusset plate and reinforcement strip, the rear end of diaphragm with bottom plate fixed connection, the front end of diaphragm with the bottom fixed connection of riser, the gusset plate is fixed the diaphragm with in the contained angle of riser junction, the slope of reinforcement strip is fixed the rear end of diaphragm with between the upper end of riser, set up on the riser and be convenient for dial the via hole that latitude shift fork step motor output shaft stretches out.

Further, rigidity rapier subassembly comprises rapier head, rapier sliding guide seat and rapier sliding base, rapier sliding base fixes on the bottom plate, the rapier passes through two rapier sliding guide seat can set up along X direction round trip movement on the rapier sliding base, the rapier head is fixed the front end of rapier.

Further, the rapier is square cast structure for the cross-section, be provided with on the rapier slide guide holder with the square guiding hole of rapier cross-section appearance to corresponding, the rapier wears to establish in the square guiding hole of rapier slide guide holder, in order to realize follow X direction round trip movement on the rapier sliding base.

Furthermore, the rapier head comprises a rapier head body, a rapier connecting part is arranged at the rear end of the rapier head body, two convex pieces which are symmetrical up and down are arranged at the front end of the rapier head body, weft yarn through holes are formed in the convex pieces, and the positions of the weft yarn through holes correspond up and down.

Further, when the lower end of the picking fork rotates to the lowest position vertically downwards, the sliding guide block of the picking fork moves downwards to the lowest position on the lifting assembly.

Further, the lower extreme anticlockwise rotation of dialling the latitude shift fork is to the direction before the rigidity rapier Assembly, the front end of rigidity rapier Assembly retreats to initial position to for the lower extreme of dialling the latitude shift fork lets out rotation space.

The utility model has the advantages that:

the utility model discloses the crooked lax problem of woof appears to high performance fiber multilayer loom, a weft pulling mechanism has been proposed, this mechanism not only can carry out once the weft pulling before every woof beat-up, so that let the woof remove to the fell of weaving before formal beat-up, thereby guarantee that the woof is not crooked, serious wearing and tearing when having avoided special fiber to weave effectively, the flaw on fabric surface has been reduced, the yields has been improved, and this mechanism overall structure is compact reasonable, connecting elements are few, the machining manufacturability is good, manufacturing cost is lower, the installation is fixed convenient and reliable, and suitable using widely.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings. The following examples and the accompanying drawings illustrate specific embodiments of the present invention.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a perspective view of the present invention;

FIG. 2 is a front view of the present invention with the base plate and rigid rapier assembly removed;

FIG. 3 is an enlarged view of the weft-picking fork of the present invention;

FIG. 4 is an enlarged rear view of the rigid rapier assembly of the present invention;

fig. 5 is a schematic structural view of a rapier head in the rigid rapier assembly of the present invention;

fig. 6 is a schematic structural view of the right-angle bracket of the present invention;

fig. 7 is a weft cross-sectional view of a three-dimensional multilayer solid fabric.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. The description as set forth herein is intended to provide a further understanding of the invention and forms a part of this application and the exemplary embodiments and descriptions thereof are presented for purposes of illustration and description and are not intended to limit the invention in any way.

Referring to fig. 1-2, a weft pulling mechanism of a high-performance fiber multilayer loom comprises a bottom plate 1 used for being fixed with a loom frame, a group of rigid rapier assemblies 2 used for weft feeding into a shed are arranged on the bottom plate 1, a right-angle support 3 extending towards the weft feeding direction of the rigid rapier assemblies 2 is arranged on the bottom plate 1, a weft pulling fork sliding guide block 5 is arranged on the front side face of a vertical plate of the right-angle support 3 through a group of lifting assemblies 4, the front side face of the weft pulling fork sliding guide block 5 is hinged with the rear side face of the upper end of a weft pulling fork 6, a weft pulling fork stepping motor 7 is arranged on the rear side face of the vertical plate of the right-angle support 3, the weft pulling fork stepping motor 7 is located below the weft pulling fork sliding guide block 5, an output shaft of the weft pulling fork stepping motor 7 penetrates through the vertical plate of the right-angle support 3 forwards and then is fixedly connected with the rear side face of one end of a weft pulling crank 8, and the front side face of the other end of the weft pulling crank 8 is hinged with the rear side face of the middle part of the weft pulling fork 6.

Furthermore, the lifting assembly 4 is composed of a linear guide rail and a guide rail sliding block, the linear guide rail is fixed on the front side face of a vertical plate of the right-angle support 3 along the Z direction, the guide rail sliding block is slidably arranged on the linear guide rail, and the weft poking fork sliding guide block 5 is fixed on the guide rail sliding block.

Further, as shown in fig. 3, the weft-shifting fork 6 is composed of a connecting rod 601 at the upper half and a shifting rod 602 at the lower half, the shifting rod 602 of the weft-shifting fork 6 is a cylindrical structure with a circular cross section, the connecting rod 601 of the weft-shifting fork 6 is a cylindrical structure with a square cross section, a shifting fork sliding guide block hinge pin hole penetrating through the front and rear surfaces of the upper end of the connecting rod 601 of the weft-shifting fork 6 is provided, and a weft-shifting crank hinge pin hole penetrating through the front and rear surfaces of the lower end of the connecting rod of the weft-shifting fork 6 is provided.

Further, as shown in fig. 3, the lower end of the poke rod 602 of the weft poking fork 6 is provided with an arc-shaped groove 603 for hooking the weft yarn.

Further, as shown in fig. 4 and 6, the rigid rapier assembly 2 is composed of a rapier head 201, a rapier 202, a rapier sliding guide seat 203 and a rapier sliding base 204, the rapier sliding base 204 is fixed on the bottom plate 1, the rapier 202 is arranged on the rapier sliding base 204 through two rapier sliding guide seats 203 capable of moving back and forth along the X direction, and the rapier head 201 is fixed at the front end of the rapier 202.

Further, as shown in fig. 4, the rapier 202 is a tubular structure with a square cross section, the rapier sliding guide seat 203 is provided with a square guide hole corresponding to the cross section of the rapier 202, and the rapier 202 is arranged in the square guide hole of the rapier sliding guide seat 203 in a penetrating manner so as to move back and forth along the X direction on the rapier sliding base 204.

Further, as shown in fig. 5, the rapier head 201 includes a rapier head body 201a, a rapier connecting portion 201b is disposed at the rear end of the rapier head body 201a, two protruding pieces 201c are disposed at the front end of the rapier head body 201a and are vertically symmetrical, a weft yarn through hole 201d is disposed on each protruding piece 201c, and the positions of the weft yarn through holes 201d correspond to each other vertically.

Further, as shown in fig. 6, the right-angle bracket 3 comprises a transverse plate 301, a vertical plate 302, a reinforcing plate 303 and a reinforcing strip 304, the rear end of the transverse plate 301 is fixedly connected with the bottom plate 1, the front end of the transverse plate 301 is fixedly connected with the bottom end of the vertical plate 302, the reinforcing plate 303 is fixed in the included angle of the joint of the transverse plate 301 and the vertical plate 302, the reinforcing strip 304 is obliquely fixed between the rear end of the transverse plate 301 and the upper end of the vertical plate 302, and a through hole for allowing the output shaft of the weft-shifting fork stepping motor 7 to extend out is formed in the vertical plate 302.

Further, when the lower end of the picking fork 6 rotates to the lowest position vertically downward, the picking fork sliding guide 5 moves downward to the lowest position on the lifting assembly 4.

Further, the lower extreme anticlockwise rotation of picking fork 6 is to the direction before rigid rapier subassembly 2, the front end of rigid rapier subassembly 2 retreats to initial position to for the lower extreme of picking fork 6 makes way out the rotation space.

The utility model discloses a specifically dial latitude action as follows:

after the rigid rapier component 2 sends weft yarns into a shed and finishes weft feeding, the rigid rapier component 2 returns to an initial position, at the moment, a rapier head 201 of the rigid rapier component 2 completely exits a rotating track of a weft poking fork 6, then a weft poking fork stepping motor 7 is started, the weft poking fork 6 is driven to rotate anticlockwise through a weft poking crank 8, in the rotating process, the weft poking fork 6 is driven by a weft poking fork sliding guide block 5 to move up and down in a lifting component 4, so that the stability of the weft poking fork 6 in rotation is ensured, when the weft poking fork 6 rotates anticlockwise to the position of the rigid rapier component 2, an arc groove 603 at the lower end of the weft poking fork 6 catches the weft yarns, the weft yarns are poked to the weaving shed direction along with the continuous work of the weft poking fork stepping motor 7, and when the rigid rapier component 2 enters the shed again, the weft poking fork stepping motor 7 drives the weft poking fork 6 to return to the initial position to wait for next weft poking. The mechanism can perform one-time weft poking action before each weft beating-up of high-performance special fiber multilayer fabrics such as carbon fibers, glass fibers, quartz fibers, basalt fibers and the like, thereby effectively solving the problem of weft bending and loosening of a high-performance fiber multilayer loom.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by 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 protection scope of the present invention.

Claims

1. The utility model provides a weft-picking mechanism of high performance fibre multilayer loom which characterized in that: the loom comprises a base plate (1) used for being fixed with a loom frame, be provided with a set of rigid rapier subassembly (2) that are used for sending weft to the shed on bottom plate (1), be provided with one on bottom plate (1) to right angle support (3) that rigid rapier subassembly (2) send weft direction and stretch out, be provided with one through a set of lifting unit (4) on the riser leading flank of right angle support (3) and dial latitude shift fork slip guide block (5), the leading flank of dialling latitude shift fork slip guide block (5) is articulated with the upper end trailing flank of one group latitude shift fork (6), be provided with one on the riser trailing flank of right angle support (3) and dial latitude shift fork step motor (7), it is located to dial latitude shift fork step motor (7) the below of latitude shift fork slip guide block (5), the output shaft of dialling latitude step motor (7) passes forward behind the riser of right angle support (3) and the one end trailing flank fixed connection of one group latitude crank (8), the other end leading flank of group latitude crank (8) with the group latitude shift fork at the middle part of group latitude shift fork (6).

2. The weft picking mechanism of a high-performance fiber multi-layer loom according to claim 1, characterized in that: the lifting assembly (4) is composed of a linear guide rail and a guide rail sliding block, the linear guide rail is fixed on the front side face of a vertical plate of the right-angle support (3) along the Z direction, the guide rail sliding block is slidably arranged on the linear guide rail, and the weft poking shifting fork sliding guide block (5) is fixed on the guide rail sliding block.

3. The weft picking mechanism of a high-performance fiber multi-layer loom according to claim 1, characterized in that: the utility model discloses a take-up device, including picking up the latitude shift fork, picking up the latitude shift fork (6) and forming by the connecting rod (601) of first one and poker rod (602) of lower half, the poker rod (602) of picking up the latitude shift fork (6) is the circular shape columnar structure for the cross-section, the connecting rod (601) of picking up the latitude shift fork (6) is square columnar structure for the cross-section, the upper end of connecting rod (601) of picking up the latitude shift fork (6) is provided with runs through its front and back articulated pinhole of shift fork slip guide block on surface, the lower extreme of the connecting rod of picking up the latitude shift fork (6) is provided with runs through its front and back articulated pinhole of picking up the latitude crank of surface.

4. The weft picking mechanism of a high-performance fiber multi-layer loom according to claim 3, characterized in that: the lower end of the poke rod of the weft poking fork (6) is provided with an arc-shaped groove (603) which is convenient for hooking weft yarns.

5. The weft picking mechanism of a high-performance fiber multi-layer loom according to claim 1, characterized in that: right angle support (3) comprise diaphragm (301), riser (302), reinforcing plate (303) and reinforcement strip (304), the rear end of diaphragm (301) with bottom plate (1) fixed connection, the front end of diaphragm (301) with the bottom fixed connection of riser (302), reinforcing plate (303) are fixed diaphragm (301) with in the contained angle of riser (302) junction, reinforcement strip (304) slope is fixed the rear end of diaphragm (301) with between the upper end of riser (302), seted up on riser (302) and be convenient for dial the via hole that latitude shift fork step motor (7) output shaft stretches out.

6. The weft picking mechanism of a high-performance fiber multi-layer loom according to claim 1, characterized in that: rigidity rapier Assembly (2) comprises rapier head (201), rapier (202), rapier sliding guide seat (203) and rapier sliding base (204), rapier sliding base (204) are fixed on bottom plate (1), rapier (202) are through two rapier sliding guide seat (203) can follow X direction round trip movement ground and set up on rapier sliding base (204), rapier head (201) are fixed the front end of rapier (202).

7. The weft picking mechanism of a high-performance fiber multilayer loom of claim 6, characterized in that: rapier (202) are square cast structure for the cross-section, be provided with on rapier sliding guide seat (203) with rapier (202) cross-section appearance is to the square guiding hole that corresponds, rapier (202) are worn to establish in rapier sliding guide seat (203) square guiding hole, in order to realize rapier sliding base (204) are gone up along X direction round trip movement.

8. The weft picking mechanism of a high-performance fiber multi-layer weaving machine according to claim 6, characterized in that: rapier head (201) includes a rapier head body (201 a), the rear end of rapier head body (201 a) is provided with rapier connecting portion (201 b), the front end of rapier head body (201 a) is provided with two lugs (201 c) of longitudinal symmetry, two a woof via hole (201 d), two have all been seted up on lug (201 c) the position of woof via hole (201 d) corresponds from top to bottom.

9. The weft picking mechanism of the high-performance fiber multilayer loom according to claim 1, characterized in that: when the lower end of the picking shifting fork (6) rotates to the vertical downward lowest position, the picking shifting fork sliding guide block (5) moves downwards to the lowest position on the lifting component (4).

10. The weft picking mechanism of a high-performance fiber multi-layer loom according to claim 9, characterized in that: the lower extreme anticlockwise rotation of dialling latitude shift fork (6) is directional before rigid rapier subassembly (2), the front end of rigid rapier subassembly (2) withdraws to initial position backward to for dial the rotation space of letting out of the lower extreme of latitude shift fork (6).