JPH08134744A - Rapier device of double pile loop - Google Patents

Abstract

PURPOSE: To connect the rear parts of bar rapiers in a prescribed length in a cantilever state so that the bar rapiers do not contact with opened warps. CONSTITUTION: A slide bar 5 is disposed on a loom frame 2 in an extended state in a picking direction A. A slider 6 is slidably guided on the slide bar 5 in the picking direction, and connected to a slider-driving mechanism 7. Two upper and lower bar rapiers 11 for feeding warps for upper and lower fabrics into openings with brackets 4b are connected to the slider 6 in a prescribed length in a cantilever state in the picking direction A from the rear parts of the bar rapiers 11. The positions of the bar rapiers 11 are determined at positions non contacting with opened warps.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rapier device for a double pile loom used for a double pile fabric.

[0002]

2. Description of the Related Art A rapier device 10 for a conventional double pile loom
1 (here, only the weft supply side is shown), a rack 103 on one side of a bar rapier 102 having a rapier head 111 at the tip thereof as shown in the plan view of FIG.
It is meshed with a pinion 105 which is rotatable around.
Several guide rollers 107 are provided at positions substantially opposite to the pinion 105 that contacts the other side surface 106 of the rod rapier 102 that is not provided with the rack 103. Stick rapier 1
A guide 108 for supporting the side surface and the bottom surface of the rod rapier 102 is provided in front of and behind the pinion 105 meshing with the pinion 105 in the weft insertion direction A.
a and 108b are provided respectively, and two of such a structure are provided above and below for simultaneously inserting the weft yarns for the upper cloth and the lower cloth into the opening. Weft receiving side is also a rod rapier 1
The configuration is the same as the above, except that the front end of 02 is a rapier hook for receiving the weft. Therefore, the rod rapier 102 is moved in the weft insertion direction A by the pinion 105, and the guide 10
8a, 108b and the guide roller 107, the weft yarn is inserted into the warp shed 25 while being guided from the weft supply side rapier head 111 to the weft receiving side rapier hook at the center of the weaving width. The rod rapier 102 comes into contact with the open warp yarn 23 and uses the warp yarn 23 as a guide at the time of insertion.

[0003]

In the conventional rapier device for a double pile loom, since the rod rapier is inserted in the weft insertion direction by the gear drive by the pinion, there is play due to the pinion and the rack, and the rod rapier There was a backlash. Also, when the rod rapier is inserted into the opening,
Since the warp is used as a guide by being brought into contact with the open warp, the woven fabric is damaged due to fluffing, fiber cutting, etc., and the quality is deteriorated.

An object of the present application is to improve the rapier device of the conventional double pile loom, not to use the open warp as a guide for the bar rapier, and to insert the bar rapier into the opening without contacting the bar rapier with the warp. , To provide a rapier device for inserting a weft.

[0005]

[Means for Solving the Problems] Upper and lower supply sides for simultaneously inserting an upper cloth weft and a lower cloth weft into openings of upper and lower upper and lower warp threads, respectively. With a stick rapier
It has two upper and lower receiving rod rapiers that receive weft yarns from each supplying rod rapier, and simultaneously forms the upper and lower cloth ground fabrics and combines them with pile yarns, and the combined pile yarns are combined with the upper fabric. In a double-pile weaving machine that cuts between the base fabrics of the lower cloth and weaves two sheets at the same time, slide bars in the weft insertion direction are provided on the weft supply side and the weft reception side, and each slide bar slides in the weft insertion direction. The sliders are guided freely, the slider driving mechanism is connected to each slider, and the two rod rapiers are set to a size smaller than the warp opening area on the weft supplying side and the weft receiving side, respectively, and each two rod rapiers are set. The rear part of the stick rapier,
At the position where the rod rapier does not come into contact with the open warp when weft insertion,
It is characterized in that it is cantilevered to the corresponding slider with a predetermined length in the weft insertion direction.

[0006]

In the rapier device for the double pile loom of the present invention, the rod rapiers on the supply side and the receiving side, into which the weft yarns for the upper cloth and the lower cloth are respectively inserted, are set to a size smaller than the warp opening area,
At the position where the rod rapier does not come into contact with the open warp, two rod rapiers on each of the supply side and the receiving side are cantilevered to the corresponding sliders for a predetermined length in the weft insertion direction. It is possible to prevent damage such as cutting and improve the quality of the woven fabric. Moreover, since the rod rapier is supported in a cantilever manner, the shape is simple because there is no rack.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a rapier device 1 for a double pile loom according to the present invention will be described below with reference to the drawings. As shown in FIG. 3, the weft supply side rapier mechanism 1a and the receiving side rapier mechanism 1b are arranged on both sides of the weaving section 1c of the loom, and the rapier device 1 is constituted by these. Rapier mechanism 1a and 1
The point b is the same except that the tip of the rod rapier is the rapier hook 20 or the rapier head 19, and the other points are the same. Therefore, the supply-side rapier mechanism 1a will be described below. As shown in FIG. 1, in a rapier mechanism 1a of this loom, a slide bar 5 having a quadrangular section in a weft insertion direction A is provided on an arm 3 integrally fixed to a frame 2 via a bracket 4a. The slider 6 is movable by the slide bar 5 in the weft insertion direction A.
The slider drive mechanism 7 is connected to the slider 6. In this slider driving mechanism 7, one end of a connecting rod 8 is rotatably attached to the slider 6, and the tip of a vertical lever 9 is rotatably connected to the other end of the connecting rod 8. The vertical lever 9 is attached to the frame 2. It is rotatably supported so as to oscillate around the oscillating central shaft 10 which is rotatably supported. The vertical lever 9 is integrally formed with a rapier driven lever 13 provided with an adjusting groove 12 for adjusting the movement amount of the rod rapier 11 in the weft insertion direction A according to the width of the fabric. The lower end of the crank shaft 14 is rotatably connected to the adjusting groove 12 via a connecting member 15 such as a spherical bearing. The upper end of the crankshaft 14 is connected to a spherical bearing 16, and the spherical bearing 16 is attached to a rotary disc 18 integrally attached to the drive shaft 17 at a position eccentric from the rotation center of the rotary disc 18, and the slider drive mechanism 7 is Here, it is composed of a crank mechanism. Further, the slider 6 is provided with a pair of brackets 4b so that two upper and lower rod rapiers 11 for feeding the weft yarns 24 for the upper cloth and the lower cloth into the upper and lower openings 25 from the rear end portion of the rod rapier 11 in the weft insertion direction A. It is supported in a predetermined length L and cantilevered. The predetermined length L that supports the rod rapier 11 is a length that allows the unsupported protruding portion of the rod rapier 11 to be inserted into the opening 25 horizontally without contact with the warp yarns 23. In this embodiment, the rod rapier is supported with a length of about one-third.

Each of the two rod rapiers 11 has a rapier head 20 (a rapier hook 19 on the receiving side) at its tip, and the rod rapier 11 including the rapier head 20 (the rapier hook 19) has a cross section smaller than the warp opening area. The bracket 4b allows the upper and lower two rod rapiers 11 to open when the openings 25 of the upper cloth 30 and the lower cloth 31 are inserted.
It is positioned in a position passing through substantially the center between the reed 28 and the cloth fell 26 in the opening 25 without contacting with 3. The rod rapier 11 is made of a light material having rigidity (a carbon rod in this embodiment) so that the rod rapier 11 has very little deflection.

Next, the operation of this embodiment configured as described above will be described. A rotary disc 18 integrally fixed to the drive shaft 17 is rotated by a drive source (not shown), and a spherical bearing 16 eccentrically attached to the rotary disc 18 is rotated. The rotation of the spherical bearing 16 causes the crankshaft 14 connected to the spherical bearing 16 to perform a crank motion, and the connecting member 15 moves up and down to move the vertical lever 9 integrally formed with the rapier driven lever 13 so as to swing the central axis. 10, swinging back and forth in the weft insertion direction A, and the connecting rod 8 attached to one end of the vertical lever 9 moves back and forth in the weft insertion direction A while swinging and is locked to the other end of the connecting rod 8. The slider 6 thus guided is guided by the slide bar 5 in the weft insertion direction A, and the two rod rapiers 11 for the upper cloth and the lower cloth reciprocate back and forth in the weft insertion direction A. When the rod rapier 11 reciprocates in the weft insertion direction A, the rod rapier 1
1 is cantilevered to the slider 6 by a predetermined length in the weft insertion direction so as not to come into contact with the open warp 23, so that the bar rapier 11 does not come into contact with the open warp 23 and fluffs on the warp 23, such as fiber cutting. Weaves better quality fabrics without damage.

When the rod rapier 11 is inserted in the weft inserting direction A, the weft yarns 24 for the upper cloth and the lower cloth are simultaneously inserted into the openings 25 of the upper cloth and the lower cloth, and at the same time beaten to repel the upper cloth. And the ground fabrics 21 and 22 of the lower cloth are formed at the same time, the pile fabrics 27 are used to bond the ground fabrics 21 and 22 of the upper cloth and the pile fabrics 27 which are bonded to each other. Two pile fabrics are simultaneously weaved in upper and lower layers by cutting with a cutter 29 between the cloth fabrics 22.

[0011]

As described above, in the rapier device of the double pile loom of the present invention, the two rod rapiers into which wefts are respectively inserted have a size smaller than the warp opening area and pass through substantially the center of the cloth fell side opening. Since the rear part of the rod rapier is cantilevered to the slider for a predetermined length in the weft insertion direction at a position where it does not contact the open warp, the fluff of the warp due to the contact of the rod rapier during weft insertion,
The quality of the woven fabric can be improved without causing damage such as fiber cutting.

[Brief description of drawings]

FIG. 1 is a front view of a rapier device.

FIG. 2 is a cross-sectional view of a double pile fabric before weaving.

FIG. 3 is a front view of a double pile loom.

FIG. 4 is a plan view showing a conventional rapier device.

[Explanation of symbols]

1 rapier device, 1a supply side rapier mechanism, 1b
Receiving side rapier mechanism, 2 frames, 5 slide bars, 6 sliders, 7 slider drive device, 1
1 bar rapier, 19 rapier hook, 20 rapier head, 21 upper fabric design, 22 lower fabric design, 23
Warp, 24 weft, 25 shed, 26 weaving,
27 pile thread, 30 upper cloth, 31 lower cloth, A
Weft direction

Claims (1)

[Claims] 1. A rod rapier on the upper and lower sides for inserting a weft yarn for the upper cloth and a weft yarn for the lower cloth at the same time into the openings of the upper and lower upper and lower warp threads, respectively. , Having two upper and lower receiving rod rapiers for receiving wefts from the supplying rod rapiers, simultaneously forming the upper and lower cloth ground fabrics, and combining them with pile yarns; In a double-pile weaving machine that cuts between the ground structure of the lower cloth and weave two cloths at the same time, slide bars in the weft insertion direction are provided on the weft supply side and the weft reception side, and the weft insertion direction slides on each slide bar. The sliders are movably guided, and a slider drive mechanism is connected to each slider, and the two rod rapiers are set to a size smaller than the warp shed opening area on the weft supply side and the weft reception side, and two rod rapiers are set on each side. The rod rapier is not in contact with the open warp when weft-inserting. A rapier device for a double-pile loom, wherein the slider is cantilevered to a corresponding position with a predetermined length in the weft insertion direction.