JPH05125641A - Warp yarn feeder - Google Patents

Abstract

PURPOSE:To surely prevent defective warp yarn feed by holding the intermediate part of the front warp yarn located at the row end from a warp yarn group in a stretched yarn state with an intermediate holding means and separating the front yarn from the succeeding warp yarn group by cooperation of a moving means with a moving separation member. CONSTITUTION:The yarn end of the front warp yarn 22, taken out of a warp yarn beam 20 and located in the row end of warp yarn row stretched between yarn stretching beams 23 and 24 is sucked and held with a separating nozzle 30, moved to a warp yarn chuck 31 and separated and kept at a distance from the succeeding warp yarn group. The cut yarn end (22b) after cutting with a cutter 27 is then sucked through the operation of the warp yarn chuck 31 and a warp holding hook 57 into a suction box 48. The intermediate part of the warp yarn 22 is simultaneously kept in a state crossing over a space between the hook 57 and the intermediate holding means 58. In this state, a warp yarn pulldown hook 64 is lowered and guided to a suction nozzle 44 while separating the warp yarn from the succeeding warp yarn group by the action of a scraper 72. Thereby, threading through a head is carried out.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a warp feeder,
More specifically, the present invention relates to a warp supplying device that separates yarn ends of a plurality of warps wound around a shaped beam one by one from their aligned ends and supplies them to a heald or the like.

[0002]

2. Description of the Related Art Generally, as a preparatory work for applying a warp beam to a loom, it is necessary to pass a large number of yarns wound around the warp beam through a heddle and a dropper one by one, and various automated yarns are required. Through machine is used.
These threading machines are provided with a warp thread feeding device that guides the thread ends of the beam threads to a suction nozzle for threading and feeds them one by one to the threading machine.

As a conventional warp feeder of this type, for example, ones shown in FIGS. 11 to 13 are known. 11 to 13, reference numeral 1 denotes a beam, and a large number of warp yarns 2 are wound around the beam 1. This beam 1
The warp yarn 2 wound around is previously drawn from the beam 1 and is tensioned on the pair of upper and lower yarn tensioning beams 3 and 4, and the yarn 1 of the beam 1 is tensioned on the yarn tensioning beams 3 and 4. It is held in parallel along the axial direction.

Reference numeral 5 denotes a suction box, which extends vertically from the beam 1 to a position facing the warp thread 2 which is thread-tensioned on the front surface thereof. The warp yarn 2 is located at the forefront among a plurality of warp yarn groups held in parallel along the axis of the beam 1 between a pair of upper and lower unillustrated yarn tension beams 3, 4. .. A slit 6 that opens toward the warp 2 is formed in a portion of the suction box 5 that faces the warp 2, and the slit 6 extends in the vertical direction of the suction box 5. Suction box 5
Vacuum nozzles 8a, 8b, 8c connected to a vacuum source (not shown) via conduits 7a, 7b, 7c are attached to predetermined positions of the above, facing the suction box 5 and of the plurality of warp groups. The front end portion 2a of the warp yarn 2 located at the forefront is the cutter 9.
When the warp yarns are cut by the warp yarn chuck 10 and pulled toward the suction box 5 side by the warp yarn chuck 10, the warp yarns 2 are sucked into the suction box 5 through the slits 6.

The sucked warp 2 is held by a warp holding bar 11 provided at a substantially central portion of the suction box 5, and the warp holding hook 12 provided near the warp holding bar 11 with the vertical central portion thereof held. After being supplied to the slit 6 by means of the suction box 5, the suction box 5 is guided in the suction box 5 by a warp pull-down hook 15 fixed to a timing belt 14 wound around a pair of pulleys 13a and 13b so as to move in the vertical direction. While moving downward in FIG. 11, the nozzle passage 16a of the suction nozzle 16 provided at the lower end of the suction box 5
And the cut yarn end portion 2b of the warp yarn 2 is sucked by the nozzle passage 16a of the suction nozzle 16 and the nozzle passage 17a of the guide nozzle 17 and threaded through the threading hole of the heald 18.

After that, although not shown, the warp holding bar 11 is rotated about the pin 11a and separated from the warp 2 as shown by an imaginary line, whereby the holding of the warp 2 by the hook 12 is released, and the beam 1 is released. The suction nozzle 16 sucks up to the tip 2b of the warp 2 cut by the cutter 9 to complete the threading operation. In FIGS. 11 to 13, 19a and 19b have a pair of twill laces Y1 and Y2 inserted therein, and the frontmost warp 2 is selected from a plurality of warp groups by rotating around the extending direction of the twill laces Y1 and Y2. Ayakan to separate.

[0007]

However, in such a conventional warp yarn feeding device, the warp yarns 2 are stretched on the tensioning beams 3 and 4 and held in parallel along the axial direction of the beam 1. The threaded warp threads 2 were separated one by one and threaded through the heald 18.
In the case of fluffy yarns, long yarns, gluing-based warp yarns such as cotton with strong gluing, there is a problem that the separated warp yarns are entangled with the subsequent warp yarn group that has been tensioned.

That is, conventionally, since there was no means for separating the separated warp yarns 2 and the succeeding warp yarn groups from each other, after the separated warp yarns 2 are sucked by the suction box 5,
When being guided to the suction nozzle 16 by the warp pull-down hook 15, the yarn 2 was entangled with the succeeding warp group and disengaged from the warp pull-down hook 15, and was not reliably supplied to the suction nozzle 16 side. In addition to this, when the warp yarn 2 is entangled, the length of the front end portion 2b of the warp yarn 2 that bites the suction nozzle 16 is insufficient and the warp yarn 2 does not fly in the nozzle passages 16a and 17a. As a result, there is a problem that the warp 2 is not passed through the heald 18 and threading failure occurs.

Therefore, according to the present invention, a warp having many fluffs, a long warp, or a warp of a sizing type having a large amount of glue can be reliably separated from the succeeding warp group and supplied to the heald or the like, which causes a warp supply failure. It is an object of the present invention to provide a warp supply device capable of reliably preventing the warp.

[0010]

The invention according to claim 1 is
In order to achieve the above object, a parallel holding means for holding a plurality of warp yarns wound around a beam in parallel along the axis of the beam and a frontmost yarn among the plurality of warp yarns located at the end of the row. A cutting means for cutting the tip end portion; a suction guide means for sucking the tip end portion of the cut yarn to guide it to a position separated from the subsequent warp thread group by a predetermined distance; and a warp thread group aligned with the suction guide means. An intermediate holding means that is provided between the intermediate warp threads and holds the intermediate portion of the frontmost warp thread at a predetermined distance from the following warp thread group, and engages with the thread between the intermediate holding means and the suction guide means to move. Transfer means for transferring the tip portion of the yarn sucked by the suction guide means in a direction opposite to the suction direction, and the transfer means is moved in the opposite direction with respect to the intermediate holding means to move the yarn tip portion to a predetermined position. In the warp feeding device for feeding the intermediate holding A moving separating member that moves in the transfer direction of the transferring means to separate the foremost yarn and the succeeding warp yarn group is provided between the stage and the plurality of parallel warp yarns, and the moving separating member is in the reverse direction. It is characterized in that the intermediate holding means fixedly holds the intermediate portion of the warp when moving to.

[0011]

According to the first aspect of the present invention, during the yarn supplying operation, the frontmost warp yarn and the succeeding warp yarn group separated from the tensioned warp yarn are reliably separated by the moving separating member, and at the time of this separation, The intermediate portion of the front warp is fixedly held by the intermediate holding means. Therefore, even a warp with many fluffs, a long warp, or a warp of a sizing type with a large amount of glue is reliably separated from the subsequent warp group and supplied to the healds and the like, so that a yarn supply failure does not occur.

[0012]

EXAMPLES The present invention will be described below based on examples.
1 to 10 are views showing an embodiment of a warp supplying device according to the present invention. First, the configuration will be described. 1 and 2,
20 is a beam, and beam 20 is a frame 21 of the threading machine.
Is supported by a back frame (not shown) disposed on the front surface (left side in FIG. 1). A large number of warp yarns 22 are wound around the beam 20, and the warp yarns 22 are drawn out from the beam 20 in advance and are horizontally provided on the back frame by a pair of upper and lower yarn tensioning beams 23 and 24 as parallel holding means. A pair of upper and lower strings are held on the front face of the beam 21 while being held by being held along the axis of the beam 20. In addition, 25 and 26 are respectively inserted into the grooves of the channel-shaped thread tension beams 23 and 24,
A grip plate for gripping the warp yarn 22 together with the yarn tensioning beams 23, 24.

The thread tension beams 23 and 24 are pressed by a pressing member (not shown) so as to be separated from each other in the vertical direction, so that the thread 22 is tensioned. Frame 21
In the upper part of the
(Cutting means), twill tubes 28, 29, a suction nozzle 30 for separation, and a warp chuck 31 are provided. Among them, the traverse pipes 28 and 29 and the separation suction nozzle 30 are located on the rightmost side in FIG. 2 from the large number of yarns 22 arranged in the yarn tensioning beams 23 and 24, that is, the row ends. It has a function of separating only one of the frontmost warp yarns 22 located at.

That is, when the warp yarns 22 are wound around the beam 20, the warp yarns 22 are provided in order to facilitate separation in subsequent operations.
Twill cords 32, 33 which are twilled on the warp yarn 22 are attached to the yarn end portion 22a of the warp yarn 22, and these twill cords 32, 33 are attached to the twill pipes 28, 29.
2 and the traverse pipes 28 and 29 are rotated by 180 ° with respect to the extending direction of the twill cords 32 and 33, and the rightmost warp yarn 22 in FIG.
And the warp yarn 22 is separated.

Then, the separating suction nozzle 30 is brought close to the separated warp yarn 22, and the warp yarn 22 is sucked and grasped by a suction portion (not shown) provided in the nozzle 30, and further in the right direction in FIG. Move and move the warp yarn 22 to a substantially central position of the warp yarn chuck 31,
To separate. Although not described in detail, the warp chuck 31 is composed of a suction nozzle portion and a yarn end gripping portion 31a. When the warp yarn 22 is sucked by the suction nozzle portion when it comes close to the warp yarn 22 as shown by an imaginary line by a driving means (not shown). The warp yarn 22 is grasped by the yarn end grasping portion 31a. Here, FIGS.
As shown in FIG. 5, the cutter 27 is provided above the traverse pipes 28 and 29 and in the vicinity of the yarn tensioning beam 23, the warp yarn 22 is sucked and separated by the separation suction nozzle 30, and the yarn end portion 22a of the warp yarn 22 is attached to the warp chuck 31.
When it is gripped by the thread, the yarn end portion 22a of the frontmost warp yarn 22 is cut to form a cutting yarn end portion 22b so that the warp yarn 22 is stretched by the beam for tensioning.
Release from 23 grips.

Reference numeral 44 denotes a suction nozzle provided on the frame 21 below the warp chuck 31, and the suction nozzle 44 has a conduit 45.
Compressed air is introduced from a compressed air source (not shown) through the passage, and the compressed air is supplied along a nozzle passage 44a formed in the suction nozzle 44. Then, due to the injector effect of the compressed air, the cut yarn end portion of the yarn 22 cut by the cutter 27.
When 22b is guided to the left end of the suction nozzle 44, the cutting yarn end 22b is sucked into the nozzle passage 44a, moves along the nozzle passage 44a, and is provided in series with the suction nozzle 44 and the suction nozzle 44. After passing through the guide nozzle 46a, the thread is passed through the threading hole 47a of the heald 47 positioned between the right end of the guide nozzle 46a and the guide nozzle 46b. Reference numeral 44b is a compressed air supply unit that supplies compressed air toward the nozzle passage 44a in order to facilitate suction of the cut yarn end portion 22b into the nozzle passage 44a.

On the other hand, 48 is a warp chuck 31 and a suction nozzle 44.
It is a suction box as suction guide means provided between the two. As shown in FIG. 3, the suction box 48 faces the thread-tensioned thread toward the 22 side and extends in the up-down direction, and a slit 49 opening toward the thread 22 is formed. The slit 49 is a suction box. It opens to a suction chamber 50 having a space formed vertically within 48. In addition, the suction box 48,
A pair of side walls 48a, 48b are provided, and the side walls 48a, 48b
48b has a distal end extending from the opening of the slit 49 toward the rear wall surface 50a of the box 48 to form a passage R for guiding the yarn 22 to the rear wall surface 50a.

Further, as shown in FIG. 1, a suction box
On the back surface (frame 21 side) of 48, suction nozzles 51, 52 and 53 communicating with the suction chamber are provided at the upper, middle and lower portions of the suction box 48, respectively, and vacuum nozzles 51, 52 and 53 are provided.
Is connected to a vacuum source (not shown) via conduits 54, 55 and 56. Then, the air is sucked into the suction chamber 50 through the slit 49 of the suction box 48, and accordingly, the thread is fed into the slit 49.
When the yarns 22 come close to each other, the yarns 22 are sucked and sucked into the suction chamber 50 through the slit 49 and the air passage R, and the yarns 22 cut by the cutter 27 are guided by the suction box 48, and the suction nozzles.
Lower to 44. At this time, the suction chamber 50 is
Since the air flow rising from the passage R side toward the rear wall surface 50a is generated by 1, 52, 53, the yarn sucked into the suction chamber 50
22 is held vertically with a certain tension upward along the rear wall surface 50a of the suction chamber 50.

Reference numeral 57 denotes a warp holding hook, which is provided between the warp 22 and the suction box 48 at a substantially central portion in the vertical direction of the suction box 48, and as shown in FIG. A hook 57a that is bent toward the suction box 48 is formed at the tip end of the base, and the base end is connected to a drive mechanism (not shown) and driven vertically and horizontally in FIG.

The yarn end portion 22a of the warp yarn 22 in FIG. 1 is gripped by the advanced warp yarn chuck 31, and the yarn end portion 22a is cut by the cutter.
After being cut by 27, the warp chuck 31 moves the thread end 22
When retracting while holding a, the warp holding hook 57 advances upward in the figure as shown in FIG. 3, passes the left side of the warp 22 and wraps the warp 22 in the suction box 48 side, and retracts downward. While moving to the suction box 48 side. At this time, the warp yarn 22 is gripped by the hook 57a of the warp yarn holding hook 57 and guided to the front surface of the slit 49 of the suction box 48, so that the warp yarn 22 is guided.
The cutting yarn end 22b of 22 passes through the slit 49 and the passage R and is sucked into the suction chamber 50.

Reference numeral 58 is an intermediate holding means, and this intermediate holding means 58 is similar to the warp holding hook 57 in that the warp 22 and the suction box.
A function of holding the middle portion of the frontmost warp 22 separated from the succeeding warp group by a predetermined distance from the succeeding warp group G, which is provided in the substantially central part in the vertical direction of the suction box 48 between them. have. This intermediate holding means 58 is a frame
A pair of support members 59 and 60, which are rotatably supported by 21, and are separated by a slit 49, as shown in FIG. 4, and a tubular member 61 provided on the inner peripheral portion of the support member 59. Cylindrical member 60
Of the sliding member 61 provided on the inner peripheral portion of the support member 59 and a fitting hole 59a formed on the inner peripheral portion of the supporting member 59, which is slidable, and is connected to a driving means such as a cam (not shown) to form an arrow AB. Slide in the direction, and the insertion hole 60a of the support member 60 is provided at the tip.
4 and a rod 63 provided with a projecting member 63a that can be inserted into and removed from the rod 63, and the tip portion of the projecting member 63a is always maintained in the insertion hole 60a as shown in FIG. 4 (b). Has been done. The rod 63 slides in the directions of arrows A-B according to the raising and lowering of a warp pulling down hook and a scraper which will be described later.

When the cut end portion 22b of the warp yarn 22 is guided to the suction chamber 50 by the warp yarn holding hook 57, the intermediate holding means holds the yarn tension beam 24 side of the warp yarn 22 at the central portion. 1 has a function to bridge the cutting yarn end portion 22b between the intermediate holding means 58 and the suction box 48 as indicated by a phantom line. Reference numeral 64 is a warp pulldown hook as a transfer means, and this warp pulldown hook 64 is formed in an L shape. In addition, as shown in FIGS.
The base end of 64 is a drive shaft that is adjacent to the side surface of the suction box 48 and is rotatably supported by the upper and lower portions of the frame 21.
It is fixed to a timing belt 69 wound around a large pulley 67 connected to a drive source 66 via a 65 and a small pulley 68 provided below the large pulley 67.
The front end portion of the is bifurcated to form a grip groove portion 64a.

The warp lowering hook 64 is a large pulley.
When 67 is driven by the drive source 66, the gripping groove 64a descends along the front surface of the suction box 48 along the slit 49 to the vicinity of the thread tension beam 24, and is cut by the cutter 27 to cut the intermediate holding means 58 and the suction box. The warp thread hung between 48
22 for holding the cutting yarn end portion 22b of the warp yarn 22 as an intermediate holding means.
After being transferred from the vicinity of the warp chuck 31 to the suction nozzle 44 with respect to 58 in the direction opposite to the suction direction of the suction box 48, it rises again and returns to the original position. In addition, the large pulley described above
A pair of guides 71a and 71b for preventing vibration are attached to an end of a frame 70 for accommodating 67 and the like, and a warp pull-down hook 64 is provided between the guides 71a and 71b to move up and down during the ascending and descending. It is supported so that it does not touch the left and right directions.

On the other hand, a base end of a scraper 72 as a moving separating member is fixed to the timing pulley 69, and this scraper 72 is attached to an upper portion of the warp pulling down hook 64 as shown in FIGS. .. The tip portion 72a of the scraper 72 is separated from the suction box 48 in the opposite direction from the base end portion of the warp pulling down hook 64, and a plurality of warp yarn groups tensioned between the intermediate holding means 58 and the yarn tensioning beams 23, 24. It is located between G and G, and when the large pulley 67 is driven, it descends together with the warp pulling down hook 64 while separating the frontmost warp 22 and the succeeding warp group G.

A pair of guides 73a and 73b for preventing runout are attached to the end of the frame 70, and the tip portion 72a of the scraper 72 is provided between the guides 73a and 73b and the warp lowering hook 64 is provided. It is supported so as not to touch in the left-right direction with respect to the ascending / descending direction when ascending / descending with. Then, the grip groove portion 57a of the warp pulling down hook 57 descends along the slit 49, that is, moves in the direction opposite to the suction direction of the suction box 48 and is cut between the intermediate holding means 58 and the suction box 48. When the yarn end portion 22b is gripped, the intermediate holding means 58 has the protruding member 63a fitted into the insertion hole as shown in FIG. 4 (c).
It is completely inserted into 60a and holds and holds the intermediate portion of the warp yarn 22. Further, the warp lowering hook 64 is further attached to the suction nozzle 44.
4A, the intermediate holding means 58 moves to the vicinity of the lower part of FIG.
As shown in FIG. 7, the protrusion member 63a is embedded in the insertion hole 59a to release the holding of the warp yarn 22 on the yarn tension beam 24 side, and the released yarn 22 has the cutting yarn end 22b at the nozzle passage of the suction nozzle 44. It is sucked by 44a and threaded by the heald 47.

Next, the operation will be described. 1 and 2, the rightmost warp yarn 22 in FIG. 2 which is drawn out from the beam 20 in advance and tensioned between the beam tensioning beams 23 and 24 of the back frame on the front surface of the frame 21 is the twill tube. 28, 29
When the traverse cords 32, 33 are released from being traversed by the rotation of, the separation suction nozzle 30 comes close to the yarn end 22a of the yarn 22,
After the yarn end portion 22a is sucked and gripped by the suction portion, the yarn end portion 22a is moved rightward in the drawing. Then, the yarn end portion 22a is moved to and separated from the substantially central portion of the warp chuck 31 in FIG. Next, the warp chuck 31 moves the yarn end portion as shown in phantom in FIG.
The yarn end 22a is grasped by advancing toward and approaching the yarn 22a.

Next, the yarn end 22a is cut by the cutter 27, and the cut yarn end 22b formed after cutting is retracted together with the warp chuck 31 while being held by the warp chuck 31, and as shown in FIG. The vicinity of the yarn end portion 22b below the warp chuck 31 is sucked into the suction chamber 50 through the slit 49 of the suction box 48 and the passage R. At this time, in the intermediate holding means 58, as shown in FIG. 4B, the tip end portion of the protruding member 63a is fitted into the insertion hole.
Since the warp yarn 22 is inserted in the suction member 60a, the warp yarn 22 is held by the projecting member 60a at the intermediate portion, and the yarn 22 between the intermediate holding means 58 and the warp yarn chuck 31 crosses the suction chamber 50 of the suction box 48. Held in.

Further, as shown in FIG. 3, a warp holding hook.
57 moves forward to the upper side in the drawing, then moves backward while moving to the suction box 48 side, holds the warp yarn 22 on the hook 59a and guides it to the slit 49 of the suction box 48. At this time, the suction chamber 50
Is the rear wall surface 50 from the passage R side by the vacuum nozzles 51, 52, 53.
Since a rising airflow is generated while heading toward a, the warp yarns 22 sucked into the suction chamber 50 are held vertically in a vertical direction with a certain tension upward along the rear wall surface 50a of the suction chamber 50. Then, as shown in FIG. 8, most of the warp yarn 22 on the side of the cutting yarn end 22b is sucked and stored in the suction chamber 50 of the suction box 48.
In the middle part of the above, a part which is hung between the warp holding hook 57 and the intermediate holding means 58 maintained horizontally is formed.

Here, as shown in FIG. 9, the warp pulling down hook 64 descends along the slit 49 along the front face of the suction box 48 as the large pulley 67 rotates, and the intermediate holding means 58 and the warp holding hook 57 are separated. The warp thread 22 hung between the
It is lowered toward the suction nozzle 44 while being held at a. At this time, as shown in FIG. 4 (c), the intermediate holding means 58 has a protruding member.
63a is completely inserted into the insertion hole 60a to fix and hold the intermediate portion of the warp yarn 22. Thereafter, as shown in FIG. 10, when the warp pull-down hook 64 is further lowered, the scraper 72 causes the frontmost warp 22 and the succeeding warp group G having the warp 22 shown by the alternate long and short dash line.
It is interposed between the warp yarns and separates these warp yarns, and descends toward the suction nozzle 44 together with the warp yarn lowering hook 64.

Next, when the grip groove 64a reaches below the suction nozzle 44, as shown by the broken line in FIG.
As for b, when the tip portion is sucked and guided by the suction box 48 and is sucked into the nozzle passage 44a of the suction nozzle 44 when it is close to the inlet portion of the suction nose 44, the tip portion of the cutting yarn end portion 22a is supplied with compressed air. It is located on the side closer to the guide nozzle 46a than the portion 44b, and surely bites into the inlet of the nozzle passage 44a by the supply portion 44b, and is sucked by the nozzle passage 44a and the guide nozzle 46a, and then the thread of the heald 47. The thread is threaded through the through hole 47a.
At the same time, as shown in FIG. 4 (a), the protruding member 63a of the intermediate holding means 58 is buried in the fitting hole 59a to release the holding of the warp yarn 22 on the yarn tensioning beam 24 side, and the released warp yarn 22 Cutting thread end
22b is sucked into the nozzle passage 44a of the suction nozzle 44 and threaded through the heald 47, thus completing the threading operation.

As described above, in the present embodiment, during the yarn supplying work,
The frontmost warp yarn 22 separated from the warp yarn 22 stretched on the front surface of the frame 21 by the yarn tensioning beams 23 and 24 and the succeeding warp yarn group G are reliably separated by the scraper 72, and the frontmost warp yarn is separated at this time. Since the intermediate portion of 22 is fixedly held by the intermediate holding means 58, it is possible to reliably separate the warp with many fluffs, the long warp, or the warp of the gluing system with a strong paste from the succeeding warp group and supply it to the heald 47. Therefore, it is possible to reliably prevent the yarn supply failure from occurring. Further, since the frontmost warp yarn 22 can be completely separated from the succeeding warp yarn group G, it is possible to secure a sufficient length of the cutting yarn end portion 22b of the warp yarn 22 that bites into the suction nozzle 44, It is possible to surely fly the nozzle 22 in the nozzle passage 44a and pass it through the heald 47.

[0032]

According to the first aspect of the present invention, during the yarn feeding operation, the frontmost warp yarn and the succeeding warp yarn group, which are separated from the warped warp yarn, are reliably separated by the moving separating member, and this separation is performed. At this time, since the middle part of the frontmost warp is fixed and held by the intermediate holding means, the warp with a lot of fluff, the long warp or the warp of the gluing system with a strong paste is surely separated from the succeeding warp group and the heald, etc. It is possible to reliably prevent the yarn supply failure from occurring.

[Brief description of drawings]

FIG. 1 is a side view showing an overall configuration of an embodiment of a warp supplying device according to the present invention.

FIG. 2 is a front view showing the overall configuration of the warp supply device in FIG.

3 is a partial sectional view taken along the line AA in FIG.

4A and 4B are configuration diagrams of an intermediate holding unit, FIG. 4A is a diagram showing a state when threading a heald, FIG. 4B is a diagram showing a normal state, and FIG. 4C is a frontmost warp yarn and a trailing yarn. It is a figure which shows the state which fixes and hold | maintains the intermediate part of a warp at the time of separating the warp group.

FIG. 5 is a front view showing large and small pulleys and a timing belt portion.

FIG. 6 is a side view showing large and small pulleys and a timing belt portion.

FIG. 7 is a side view showing an operation relating to warp supply.

FIG. 8 is a side view showing an operation relating to warp supply.

FIG. 9 is a front view showing an operation relating to warp supply.

FIG. 10 is a side view showing an operation relating to warp supply.

FIG. 11 is a side view showing an overall configuration of a conventional warp yarn feeder.

FIG. 12 is a front view showing the overall configuration of a conventional warp yarn feeder.

FIG. 13 is a side view showing an operation relating to conventional warp supply.

[Explanation of symbols]

 20 beam 22 warp 22b cutting thread end (tip) 23, 24 thread tension beam (parallel holding means) 27 cutter (cutting means) 48 suction box (suction guide means) 58 intermediate holding means 64 warp pulling hook (transfer means) ) 72 Scraper (movable separation member)

Claims (1)

[Claims] 1. A parallel holding means for holding a plurality of warp yarns wound around a beam in parallel along the axis of the beam, and a front end portion of the frontmost yarn positioned at the row end among the plurality of warp yarns. It is provided between a cutting means for cutting, a suction guide means for sucking the tip end of the cut yarn to guide it to a position spaced apart from a succeeding warp group by a predetermined distance, and a warp group aligned with the suction guide means. And an intermediate holding means for holding the middle part of the frontmost warp yarn at a predetermined distance from the succeeding warp yarn group, and a yarn between the intermediate holding means and the suction guide means for moving to move the suction guide means. And a transfer means for transferring the tip portion of the yarn sucked in the direction opposite to the suction direction, and the transfer means is moved in the opposite direction with respect to the intermediate holding means to supply the yarn tip portion to a predetermined position. In the warp feeder, the intermediate holding means and the Between the plurality of warp yarns column,
A moving separating member that moves in the conveying direction of the conveying means to separate the frontmost yarn and the succeeding warp yarn group is provided, and when the moving separating member moves in the opposite direction, the intermediate holding device causes the intermediate portion of the warp yarn to move. A warp supply device characterized in that the portion is fixedly held.