JPH073026B2 - Splicing warp processing device in loom - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to automatic splicing of warp yarns (splicing yarn residual yarns), which are generated when the warp yarns are accidentally cut during the operation of the loom and are treated, and which project long from the surface of the fabric, on the loom. The present invention relates to a splicing warp processing device for mechanically cutting.

[0002]

2. Description of the Related Art FIG. 12 is a side view of a loom, Ta, T
b is warp, F is cloth, 11 is a dropper for detecting cut warp,
12 is a heald for opening, 13 is a back and forth (right and left in the figure) rocker, 14 is a guide roller of the cloth F, 15 is a cloth take-up surface roller, 16 is a twitch roller, 17 is a cloth take-up cross roller, Reference numeral 18 denotes a front cover, and each of the warp threads Ta and Tb drawn out from a rear (left side in the figure) warp beam (not shown) is a dropper 11,
Threaded by the heald 12 and then between the feathers of the fish 13,
The heald 12 performs an upward and downward opening movement, and the hook 13 swings back and forth. When the hook 13 is retracted, a weft (not shown) is provided between the upper and lower warps Ta and Tb in front of the hook 13.
Is passed through to make a cloth F and is wound around the cross roller 17.

If the warp Ta is accidentally cut during operation of the loom, a splicing warp Ts having a length of several tens of centimeters prepared in advance is connected to the end of the cutting warp Ta on the rear warp beam side, and the splicing warp Ta is connected. As shown in FIG. 12, Ts is passed through the dropper 11, the heald 12, and the hook 13 and pulled on the front cover 18, and the weaving machine is driven while being tense by hand, and as shown in FIGS. Is woven into the weft to form the joint warp yarn Ts with the weft yarn W, which is held on the winding side of the cloth.

FIG. 13 shows a state in which the splicing warp Ts is structured with one weft W, FIG. 14 shows a state in which the splicing warp Ts is structured with seven wefts W, and the splicing warp Ts is arranged on the cloth F. Lying down. And, conventionally, a splicing warp yarn (hereinafter referred to as splicing yarn residual yarn) T that lies on the surface of the fabric F so as to project therefrom
r was wound around the cloth roller 17 together with the cloth F and carried to the inspection table, and was cut and removed by scissors at the time of inspection.

[0005]

However, when weaving with high efficiency by using high quality warp yarns as in recent years, the defects of the cloth F hardly occur, and therefore the inspection work becomes unnecessary. It's coming. The present invention provides a processing device for a splicing warp yarn, which can automatically cut and remove the splicing yarn residual yarn on a loom.

[0006]

SUMMARY OF THE INVENTION A splicing warp treating device in a loom according to the present invention has a blade plate for cutting warps above a cloth surface on a cloth fell side of the loom, the blade plate being parallel to the width direction of the loom and having a rear edge line. It is characterized in that it is provided so as to face the tail side, and in front of this blade plate, there is provided a joint thread holder capable of holding a joint warp thread which is passed from the rear from the rear and extends forward in a tension state.

[0007]

When the warp is cut, the splicing warp is connected to the end of the beam-side cutting warp as in the conventional case, and the tip of the splice is dropped by
After passing through the heald and the lure and holding it on the above-mentioned splicing yarn holder so that it crosses over the blade plate, and then driving the loom, the splicing warp yarns are structured with the weft yarns as in the conventional case, and the weaving is performed. The base of the splicing yarn residual yarn advances as the yarn advances. Then, as the splicing yarn residual yarn advances, the splicing yarn comes into contact with the blade edge of the blade plate, bends, and is cut. In this case, the lower the height of the blade plate with respect to the cloth surface, the shorter the splicing yarn residual yarn is cut.
Since the portion of the splicing yarn residual yarn in front of the cutting portion is held by the splicing yarn holder, it is not caught in the cloth.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In FIG. 1, a blade plate 21 is supported between left and right side frames of a loom (it can also be mounted on a temple bar via a spacer).
Reference numeral 22 denotes a splicing yarn holder, and in this embodiment, it is made so as to be attracted to the front cover 18 by a magnet piece.

If the upper warp Ta of the upper and lower warps Ta and Tb is cut, the splice warp Ts is connected to the beam side cut end of this warp Ta in the same manner as in the conventional case, and the tip thereof is the heald 12 and the screw. The joint warp yarn Ts is passed through the cord 13, is placed on the front cover 18, and the joint yarn holder 22 made of the magnet piece is superposed on the front cover 18, so that the joint warp yarn Ts is held in a tension state. Then, when the loom is driven in this state, a part of the joint warp yarn Ts is fixed to the cloth fell to form the joint yarn residual yarn Tr. Then, as the weaving progresses, the base portion of the splicing yarn residual yarn Tr advances and enters under the blade plate 21, and the splicing yarn residual yarn Tr comes into contact with the blade edge of the blade plate 21 to form a V-shape. Flexed and cut.

In the embodiment shown in FIG. 2, one string 25 is stretched between the left and right side frames of the loom with a slight slack, and a clip 26 for sandwiching the spliced warp Ts on the string 25.
Is slidably attached. In the figure, 27 is a breast beam. In this embodiment, the joint warp yarn Ts
The clip 26 is moved left and right along the string 25 in accordance with the position of, and the joint warp thread Ts is tensioned by its own weight.

3 and 4 show an example in which the safety cover 30 is provided on the blade plate 21. As shown in FIG. 4, the safety cover 30 is composed of a receiving plate 31 having an L-shaped cross section and an upper plate 32. The blade plate 21 is sandwiched between the receiving plates 31 and 33 made of rubber or the like, and a plurality of sheets are provided. They are integrated by a screw 34, and saw-tooth or corrugated irregularities 31a and 32a are formed at the tips of the receiving plate 31 and the upper plate 32, respectively. Prevents workers' fingers from touching. It should be noted that projections 31b are provided at both ends of the receiving plate 31 (see FIG. 3).
It is fixed to the side frame using bolt holes 31c drilled in the.

FIG. 5 is a side view showing a loom having a bar temple 35 with the blade plate 21 with the safety cover 30 shown in FIGS. 3 and 4 attached thereto. In FIG. 5, 36 is a cloth F
Of the receiving plate, 37 is a top cover, and 38 is a rotatable spindle having a spiral groove.
6 and the cloth F is introduced into the lower side of the spindle 38 from an opening 39 formed in the mating portion of the upper cover 37 on the left side (the left side in the figure), and the spindle 38 is rotated around the spindle 38 to move upward from the opening 39. Derived. Then, the blade plate 21 provided with the above-mentioned safety cover 30 has the blade tip of the spindle 3
When installed so that it is located almost directly above 8, the joint warp T
After a part of s is structured as a weft and fixed to the cloth fell, and a splicing yarn residual yarn Tr is formed, the splicing yarn residual yarn Tr comes into contact with the blade edge of the blade plate 21 and bends in a V shape. And be disconnected.

FIG. 6 shows a ring temple 40 on the ear of the cloth F.
It is an example of a loom equipped with. In FIG. 6, 41
Is a temple bracket whose length in the width direction is about 10 to 20 cm, 42 is a temple shaft, 43 is a rotatable ring, 4
Reference numeral 4 denotes an upper surface cover. The upper surface cover 44 has an elongated hole 44a in the width direction opened, and is fixed to the temple bracket 41 at the outer end in the width direction. Further, in this embodiment, the short blade plate 45 is provided on the upper surface cover 44.
And the upper surface cover 46 is overlapped and fixed along the front edge of the long hole 44a. The upper cover 46 is the upper plate 3 of FIG.
As in the case of 2, the unevenness 46a is formed.

In FIG. 6, the cloth F is introduced to the upper side of the ring 43 from the opening on the side of the recess between the temple bracket 41 and the upper surface cover 44, and after the ring 43 is substantially half-circled, the temple bracket 41 and the upper surface cover 44.
It is led out from the front opening of the loom and moves toward the front of the loom. On the other hand, the joint warp yarn Ts is introduced onto the ring 43 from the above-mentioned opening on the side of the recess, and the elongated hole 44 of the upper surface cover 44 is provided.
The splicing yarn holder 2 that is derived from a and consists of the above-mentioned magnet piece.
It is held in a tensioned state by a splicing yarn holder made up of two or strings 25 and clips 26. Then, as the weaving progresses, a splicing warp yarn Ts forms a splicing yarn residual yarn Tr, which is cut in contact with the blade plate 45.

7 and 8 show another type of safety cover 50. The safety cover 50 includes a rear plate 51a and a bottom plate 5 on the lower rear portion of a square cylinder 51 parallel to the width direction of the loom.
Sawtooth-shaped irregularities 51c and 51d extending over both 1b
The tooth plate 21 is placed on the bottom plate 51b, and is fixed to the horizontal bracket 52 fixed to the frame of the loom with screws 53, washers 54, and nuts 55. Then, over the safety cover 50, the joint warp thread Ts
When the weaving machine is driven while keeping the tension in a tensioned state, a splicing yarn residual yarn Tr (see FIG. 8) is formed as the weaving progresses, and the splicing yarn residual yarn Tr enters the concave portions of the irregularities 51c and 51d.
The blade plate 21 is contacted and cut.

FIG. 9 illustrates yet another type of safety cover 56. The safety cover 56 is formed by connecting a support shaft 59 to both ends of one coil 57 via bushes 58, and a screw portion 59a is provided at a portion where the support shaft 59 projects outward from the coil 57. The screw portion 59a is fixed to the bracket 61 on the loom with the nut 60. A flat portion 59b is formed at the end of the portion where the support shaft 59 is inserted inside the coil 57, and the end of the blade plate 21 is screwed onto the flat portion 59b (on the front side of the drawing). Fixed by. In addition, 63 is a nylon tube, and this nylon tube 63 is incised along the generatrix thereof, and is attached to the blade plate 21 so that the blade edge of the blade plate 21 projects from this incision.

10 and 11 show an example in which the blade plate and the splicing yarn holder are attached to one small frame. That is, a rectangular frame 66 is formed by an animinium pipe, and a narrow groove is provided on the outer surface side of one short side 66a of the frame 66, and a short blade plate 67 is inserted into this narrow groove with the cutting edge protruding outward. , The coil 6 which is fixed and covers the blade plate 67
8 is wound around and fixed to the pipe forming the short side 66a to form a safety cover. And the other short side 66
A sliding pipe 69 is fixed to the b by a tightening band 70, the sliding pipe 69 is slidably inserted into a widthwise guide bar 71 provided separately at the front part of the loom, and the blade plate 67 is on the side of the teeth. The frame 66 is placed on the cloth F on the cloth fell side so as to face (see FIG. 11).

The left and right long sides 66 forming the frame 66 described above
c and 66c (see FIG. 11) are slightly bent toward the rear part (upper part in FIG. 10) in a mountain shape, and the upper and lower two guide plates 72 and 72 are fixed so as to sandwich the front part of the bent part. The guide plate 72 has a rectangular opening 72a at the center, and a sliding block 73 is fitted into the opening 72a so as to be slidable forward and backward, and a thin portion 73a protruding left and right from the side surface of the sliding block 73 is formed. It is slidably inserted between the upper and lower guide plates 72. Then, a splicing yarn holder 74 composed of a tension coil spring is attached to the upper surface of the sliding block 73 in parallel with the width direction, and the sliding block 7
The rear surface of 3 and the above-mentioned tightening band 70 are connected by a rubber cord 75, and the sliding block 73 is urged toward the tightening band 70.

When the splicing warp Ts connected to the cutting warp is pulled out to the front of the bob, the frame 66 is placed at the extended position of the splicing warp Ts to resist the urging force of the rubber cord 75. The sliding block 73 is moved slightly rearward so that the above-mentioned joint warp thread Ts is held between the coils of the joint thread holder (pulling coil spring) 74 on the sliding block 73. Next, when the loom is driven, the leading end side of the joint warp yarn Ts becomes the joint yarn residual yarn Tr, which is cut by the blade plate 67.

[0020]

As described above, the splicing and warp treating device of the present invention has a blade plate for cutting warp above the cloth surface on the cloth fell side of the loom, and the splicing yarn holder is provided in front of the blade plate. Therefore, if the splicing warp thread passed through the hook is extended forward from the top of the blade plate and locked to the splicing yarn holder, as the weaving progresses, the rear portion of the splicing warp yarn becomes a weft yarn as in the conventional case. While the fabric is organized to form the cloth, the front part of the splicing warp protrudes to the upper surface of the cloth to become splicing yarn residual yarn, and this splicing yarn residual yarn comes into contact with the blade edge of the blade plate and automatically cuts as the weaving progresses. To be done. Therefore, it is not necessary to perform the operation of cutting the splicing residual yarn by the loom operator or the post-process inspection operator.

[Brief description of drawings]

FIG. 1 is a side view of an embodiment of the present invention.

FIG. 2 is a perspective view of another embodiment.

FIG. 3 is a plan view showing a state where a safety cover is attached to the blade plate.

4 is a cross-sectional view taken along the line AA of FIG.

FIG. 5 is a side view showing a state where a blade plate is provided above the bar temple.

FIG. 6 is a side view showing a state where a blade plate is provided on a ring temple.

FIG. 7 is a front view of another example of the safety cover.

FIG. 8 is a sectional view taken along line BB in FIG.

FIG. 9 is a side view of still another example of the safety cover.

FIG. 10 is a plan view of an example in which a blade plate and a splicing yarn holder are attached to one frame.

11 is a vertical cross-sectional view of FIG.

FIG. 12 is a side view of a loom illustrating a conventional warp joining operation.

FIG. 13 is a cross-sectional view of the cloth fell portion just after the joint warp and weft are textured.

FIG. 14 is a cross-sectional view of the cloth fell portion after the weaving further proceeds from FIG.

[Explanation of symbols]

 Ta, Tb: warp Ts: spliced warp Tr: spliced yarn residual yarn W: weft F: cloth 11: dropper 12: heald 13: os 18: front cover 21, 45, 67: blade plate 22: splicer holder ( Magnet piece) 25: String 26: Clip (joint thread holder) 30, 50, 56, 68: Safety cover 35: Bar temple 40: Ring temple

Claims (1)

[Claims] 1. A blade plate for cutting the warp is provided above the cloth surface on the cloth fell side of the loom such that the blade plate is parallel to the width direction of the loom and the cutting edge line is directed to the rear side of the loom. A splicing warp processing device in a loom, characterized in that a splicing warp holder capable of holding a splicing warp that extends from the rear and extends forward is provided in a tension state.