JPH11222744A - Sample warping and sample warper - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a sample warping method and a sample warper therefor, enabling the length of a sample warp to be changed freely in its production process. SOLUTION: This sample warping method comprises the following scheme: a winding section is formed of a plurality of grooved drums 11, 12, and a plurality of feed yarns Y are wound in a ribbon-winding fashion around the outer circumference of the winding section, and warps 34 wound around over the drums 11 and 12 are nipped with a pair of nippers 36 so as to run parallel with one another, and the warps between the nippers 36 are cut and removed, together with the nippers 36, off the winding section 10.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sample warping method and a sample warping machine for producing a short warp for a weaving sample.

[0002]

2. Description of the Related Art Conventionally, a sample warping machine for producing a short warp for a weaving sample is disclosed in Japanese Patent Application Laid-Open No. 62-62942, in which one end of a winding drum is wound around the outer periphery of the drum. After feeding the supply yarn to the other end side with a plurality of belt conveyors forming a part of the drum surface and winding the supply yarn of the winding drum so as to be aligned in the axial direction, the supply yarn is wound. The supply yarns arranged on the outer periphery are cut and the respective yarn ends are collectively wound up on a rewinding machine to obtain a warp.

[0003]

However, in this sample warper, the warp length is automatically determined by the diameter of the winding drum, and the warp length cannot be freely changed.

[0004] For example, it is possible to cut only the even-numbered yarns of the aligned warp length to obtain a warp yarn twice as long as the winding length of the winding drum. There is a problem that cannot be obtained.

Accordingly, an object of the present invention is to solve the above-mentioned problems and to provide a sample warping method and a sample warping machine which can freely change the warp length in producing a sample warp.

[0006]

In order to achieve the above object, according to the first aspect of the present invention, a winding portion is formed by a plurality of grooved drums, and a plurality of supply yarns are formed on the outer periphery of the winding portion. Is wound in a ribbon shape, and the warp wound between the grooved drums is clamped in parallel by a pair of clamps, and the yarn between the clamps is cut to remove the warp together with the clamp from the winding section. This is a sample warping method.

According to a second aspect of the present invention, there are provided a plurality of grooved drums forming a winding portion, a traverse head which grips a supply yarn and circulates around the outer periphery of the winding portion, and is provided movably in the axial direction of the drum. And a traverse guide that engages with the traversing head that rotates and feeds the traverse head at a predetermined pitch in the axial direction of the drum.

According to a third aspect of the present invention, there is provided the sample according to the first aspect, wherein the winding portion comprises a grooved drum provided opposed thereto, and the interval between the grooved drums can be adjusted so as to change the winding circumference. It is a warper.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A preferred embodiment of the present invention will be described below in detail with reference to the accompanying drawings.

In FIG. 1 and FIG. 2, reference numeral 10 denotes a winding section comprising a pair of grooved drums 11 and 12, one of which is connected to a drive motor 13 and supported by a support 14. The other grooved drum 12 is supported by a support 15 so that the interval between the grooved drum 11 on the driving side and the distance therebetween can be freely adjusted. Note that the gap adjustment may be performed by moving the grooved drum 11 on the driving side.

The pair of grooved drums 11 and 12 include:
Circumferential grooves 8 for the number of warps are formed.
Sprockets 16, 16 are provided integrally, and chains 17, 17 are wound around the sprockets 16, 16. Although not shown in the drawing, the number of links of the chains 17 can be increased or decreased so that the spacing between the drums 11 and 12 does not become loose.

A traverse rail 18 is provided between the chains 17 and 17, and a traverse head 19 is slidably provided on the traverse rail 18.

The lower part of the traverse head 19 has a clamp 20 for gripping a large number of supply yarns Y in a line, and the upper part is for moving the traverse head 19 along the traverse rail 18. Bearing 21
Having.

At the upstream side of the take-up side of the grooved drums 11 and 12, the traverse head 19 is engaged with the bearing 21 of the traverse head 19 to move the traverse head 19 at a predetermined pitch in the axial direction (the supply yarn
Traverse guides 22 are provided for feeding.

In the traverse guide 22, a guide base 23 is screwed into a ball screw 25 connected to a traverse motor 24 and inserted into a guide bar 26, and is guided by the guide bar 26 by the rotation of the feed screw 25. It is sent in the axial direction. A flare-like guide plate 27 is provided on the lower surface of the guide base 23.

The position of the traverse guide 22 is adjusted so that the traverse guide 22 is always shifted by a half pitch at the top and bottom.

The yarn supplying bobbin 30 serving as a warp is formed in a conical shape, and is inserted into the peg stand 31 in a lateral direction and supported. Although the number of the yarn supplying bobbins 30 is nine in the drawing, the number can be set to any number from several to several tens according to the warp samples to be produced, and the color, count, and the like can be freely selected.

The supply yarn Y from each of the yarn supply bobbins 30 is bent by approximately 90 degrees by a comb-shaped yarn guide 32 so as to extend between the grooved drums 11 and 12.

The thread guide 32 is provided with the grooved drums 11 and 12.
It is provided between the grooved drums 11 and 12 at the end on the yarn supplying bobbin 30 side. Further, the supply yarn Y from each yarn supply bobbin 30 to the yarn guide 32 is hooked on the yarn guide 32 from above the chain 17 in the figure, but is hooked on the yarn guide 32 from below the chain 17 in the figure. It may be.

Next, a sample warping method using the sample warper shown in FIGS. 1 and 2 will be described.

First, after the supply yarn Y from the nine yarn supply bobbins 30 shown in FIGS. 1 and 2 is unwound, hooked on the yarn guide 32 and turned 90 degrees, the yarn start end is moved to the traverse head. 19 is gripped by the clamp 20 at the bottom.

In this state, when the drive motor 13 is driven and the grooved drums 11 and 12 serving as the winding unit 10 are rotated by the sprocket 16 and the chain 17, the traverse head 19 rotates the outer periphery of the winding unit 10, Ie chain 1
7, the supply yarn Y is transferred to each of the circumferential grooves 8 of the two grooved drums 11 and 12, and
Wrap the ribbon between the two.

During one round of movement of the traverse head 19, the traverse guide 22 is fed one pitch at a time by the traverse motor 24 and the ball screw 25 while maintaining a state in which the winding width W is shifted by a half pitch in the vertical direction. ing.

The traverse head 19 is connected to the winding section 1
During one round, the bearing 21 of the traverse head 19 is caught between the flared guide plates 27 of the traverse guide 22 and guided while being centered. Drum 1 with grooves
With the rotations of the drums 1 and 12, the ribbons are wound in the axial direction of the drums 11 and 12 while sequentially moving through the grooves 8 of the drums 11 and 12 by a half pitch of the winding width W to be wound around the ribbon.

In this way, a plurality of the supply yarns Y are wound in a ribbon shape to form the warp yarns 34 of a predetermined number and a predetermined length.

The length of the warp 34 can be easily changed only by changing the interval between the grooved drums 11 and 12.

FIG. 3 schematically shows a process for producing the warp 34. As shown in FIG. 3 (a), the supply yarn Y from the yarn supply bobbin 30 is traverse-headed as indicated by an arrow 35. While pulling at 19 (FIG. 1), the grooved drum 1
When the warp 34 is formed by winding a predetermined number of windings in the axial direction of the grooved drums 11 and 12 as shown in FIG.
Stop the rotation of. In this state, the warp 34 extending between the drums 11 and 12 is clamped in parallel by a pair of clamps 36, 36, and the yarn between the clamps 36, 36 is cut by a cutter 37. Figure 3
As shown in (d), a warp sample 40 can be produced. As shown in a partially enlarged view in FIG. 3D, the holding member 36 is a fixing member for fixing a lower holding member 38 having a convex cross section, an upper holding member 39 having an inverted concave shape, and upper and lower holding members 38, 39. It consists of a screw 41.

After the warp 34 is removed, the traverse head 19 and the traverse guide 2 shown in FIGS.
2 is returned to the winding start position, and the yarn start end of the supply yarn Y is gripped by the clamp portion 20 of the traverse head 19 and FIG.
As shown in (c), the supply yarn Y is hooked on the yarn guide 32, and the ribbon of the supply yarn Y is wound again.

FIG. 4 shows a case where the warp samples 40 sandwiched by the clamps 36, 36 are connected to form a long warp so that a plurality of warp samples 40 can be woven at a time. The warp sample 40 that has been pinched is
After being wound around the warper drum 42, the holding device 36 is turned downward by 90 degrees, while the holding device 36a on the connection side of the warp sample 40a to be connected is turned upward by 90 degrees, and The wound warp sample 40 is fixed on the holding device 36 of the warp sample 40, the middle of the warp sample 40 a is hung on the roller 44, and the tension weight 45 is hung on the holding device 36 b at the end of winding to apply tension, The winding end of the warp sample 40 wound around the warper drum 42 and the warp sample 40a
The yarns at the beginning of winding are joined together, twisted, and connected by bonding with an adhesive.

In the same manner, a plurality of woven samples can be simultaneously formed by sequentially connecting the warp samples 40 to form a long warp.

FIGS. 5 and 6 show another embodiment of the present invention.

In the embodiment shown in FIGS. 1 and 2, a sprocket 16 is provided on the grooved drums 11 and 12, and a chain 17 is wrapped around the sprocket 16, and the number of links of the chain 17 is increased and decreased, and Although the example of adjusting the interval of 12 has been described, since increasing and decreasing the number of chain links requires preparation of spare links and some trouble, FIGS. 5 and 6 show an improvement on this.

As shown in FIG. 5, the grooved drums 11, 1
2 are provided to face each other, and one drum 12 is provided movably with respect to the other drum 11. The drums 11 and 12 are connected to a drive motor (not shown) so as to rotate independently.

On the upper and lower sides of the opposed grooved drums 11 and 12, sprockets 50 and 50 are provided facing each other at intervals sufficiently longer than the interval between the drums 11 and 12, and an endless chain 52 is provided so as to be bridged. Can be

At both ends of the drums 11 and 12, FIG.
As shown in (a), a ring-shaped magnetic ring 53 is provided, and a magnetic plate 54 is provided for each piece in the upper and lower endless chains 52,52.

Between the ring-shaped magnetic ring 53 and the upper and lower endless chains 52, a carrier 55 circling the grooved drums 11, 12 serving as the winding section 10 so as to straddle the magnetic ring 53. Inserted and inserted.

As shown in FIG. 6B, the carrier 55
An inner magnet 56 is provided on the inner peripheral side in accordance with the position of the ring-shaped magnetic ring 53, and an outer magnet 57 is provided on the outer peripheral side in accordance with the position of the magnetic plate 54 of the chain 52.

Guides 58 for transferring the carrier 55 from the grooved drums 11 and 12 to the endless chains 52 and 52 are provided on the outer periphery of the grooved drums 11 and 12 and are provided with grooves from the endless chains 52 and 52. Drum 1
A guide 59 is provided for delivery to the first and the second.

The carrier 55 is similar to the traverse rail 18 described with reference to FIGS.
9 is slidably provided, and is fed by the traverse guide 22 by one pitch corresponding to the winding width per revolution.

In the embodiment shown in FIGS. 5 and 6, the carrier 55 is separated from the magnetic ring 53 of the grooved drum 11 shown in FIG. Endless chain 52 at the top by magnetic force
Is transferred to the other grooved drum 12 by the endless chain 52, and is guided by the guide 59 at the position of the grooved drum 12, separated from the endless chain 52 and separated from the inner magnet 56 by the endless chain 52. Is a grooved drum 1
The magnetic ring 53, and is passed around the magnetic ring 53 by a guide 58 to the lower endless chain 52 and moved to the grooved drum 11 side. The magnetic material arrives at the magnetic ring 53, returns to the position shown in the drawing after half-circle around the magnetic ring 53, and goes around once to wind a plurality of supply yarns between the drums 11 and 12, as described with reference to FIGS.

In this case, unlike FIG. 1 and FIG. 2, the carrier 55 has a circumferential portion formed by a magnetic ring 53 of the drums 11 and 12.
Since the linear portion moves by magnetic force on the magnetic plate 54 of the endless chain 52, the interval between the drums 11 and 12 can be freely changed, and the warp length can be freely changed.

In the above embodiment, the example of the grooved drums 11 and 12 facing the winding unit 10 has been described. However, the number of the drums may be three or more.

[0043]

In summary, according to the present invention, the warp length can be freely set when a sample warp is produced. Since a plurality of supply yarns are wound at once, the efficiency is high. Moreover, since the traverse head grips the supply yarn and travels in the axial direction of the drum, the configuration is simpler than in the related art.

[Brief description of the drawings]

FIG. 1 is a schematic perspective view illustrating an embodiment of the present invention.

FIG. 2 is a front view of FIG.

FIG. 3 is a view showing a process until a warp sample is made in FIG. 1;

FIG. 4 is a perspective view showing an example for connecting warp samples in the present invention.

FIG. 5 is a front view showing another embodiment of the present invention.

FIG. 6 is a diagram showing details of each unit in FIG. 5;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Winding part 11, 12 Drum with groove 19 Traverse head 22 Traverse guide 34 Warp 36 Clamping tool

Claims (3)

[Claims] 1. A winding portion is formed by a plurality of grooved drums,
After winding a plurality of supply yarns in a ribbon around the winding part, the warp wound between the grooved drums is clamped in parallel by a pair of clamps, and the yarn between the clamps is cut. And removing the warp together with the clamp from the winding section. 2. A plurality of grooved drums forming a winding portion, a traverse head gripping a supply yarn and rotating around the outer periphery of the winding portion, and a traverse provided movably in the axial direction of the drum. A sample warper, comprising: a traverse guide that engages with the head and feeds the traverse head at a predetermined pitch in the axial direction of the drum. 3. The sample warper according to claim 1, wherein the winding portion comprises a grooved drum provided opposite thereto, and the interval between the grooved drums can be adjusted so as to change the winding circumference.