JPH11107087A - Device for false-twisting yarn - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a false twister contrived in the enhancement of the attachment density of false twisting units on the basis of a frame and in the facilitation of a threading operation and a maintenance work. SOLUTION: This device for false-twisting yarns is obtained by supporting plural false-twisting units 11, 12 corresponding to the yarns Y1 , Y2 on a frame 13, and disposing three spindles 21, 22, 23 separated in parallel to each other at a prescribed interaxial distance, three sets of frictional disks 21a-21c, 22a-22c, 23a-23c attached to the spindles, spindle frames 24A, 24B rotatably supporting the spindles 21, 22, 23 and yarn guides 27, 28 for guiding the yarns Y1 , Y2 to travel ways for bringing the yarns Y1 , Y2 into contact with the frictional disks in each of the false-twisting units 11, 12. Therein, a moving means 30 for relatively moving the spindle frames 24A, 24B of the false-twisting units 11, 12 in the prescribed movement direction orthogonal to the axial direction of the spindles to allow the mutual approach or separation of both the false-twisting units 11, 12 is disposed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a temporary yarn twisting unit having a disk-shaped friction disk attached to three parallel spindles, and a false twist unit for bringing the friction disk into contact with the yarn from three directions. BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a twisting device, and more particularly to a false twisting device for simultaneously twisting a plurality of yarns running in parallel with a plurality of false twisting units adjacent to each other.

[0002]

2. Description of the Related Art Conventionally, there is a yarn false twisting apparatus in which a false twisting unit in which a disk-shaped friction disk is attached to three parallel spindles is arranged in a so-called tandem arrangement. As a false twisting device for this type of yarn, for example, Japanese Patent Publication No.
In this device, two false twist units corresponding to two traveling yarns are mounted on a single base board, and each of the false twist units has three parallel spindles. Are arranged at predetermined intervals so as to form an equilateral triangle.
Furthermore, three disc-shaped friction disks are attached to each spindle, and in each false twisting unit, the three sets of friction disks contact the yarn in three directions so that the yarn is false-twisted. Has become. The three spindles of each false twist unit are synchronously driven by driving means provided below the gantry substrate.

In this apparatus, the gantry substrate is formed to be obliquely long in the front-rear direction so as to separate the two adjacent false twist units in the front-rear direction with respect to the mounting surface of the machine frame. A large number of false twist units can be mounted on the mounting surface of the frame.

[0004]

However, in the above-mentioned conventional false twisting apparatus for a yarn, a predetermined required for maintenance is required between adjacent friction disks of the two false twisting units supported by the gantry substrate. Since the interval is provided, the size of the false twisting device becomes large as a whole, particularly as the size of the device in the front-rear direction increases.

[0005] Further, since the two false twist units arranged in tandem are obliquely separated from the mounting surface of the machine frame in the front-rear direction, the reduction of the work space described above results in the rear side (the mounting surface). The workability of threading work on the false twisting unit (closer to the back side), or maintenance work such as cleaning and processing of yarn wound at the time of thread breakage has been deteriorated. Further, since the false twist unit is provided on the same stand, when the false twist unit on one side is maintained, the two false twist units have to be removed, for example, for replacement of a friction disk or yarn processing at the time of thread breakage.

When the diameter of the friction disk is to be increased for speeding up, the above-mentioned problem has become more remarkable. Furthermore, because the distance between the two false twist units is large,
The bending of the yarn at the entrance and exit of each unit became large, and there was concern about the effect on the yarn quality. Therefore, an object of the present invention is to facilitate the threading operation and the maintenance operation while increasing the mounting density of the false twist unit to the machine frame.

[0007]

According to the present invention, a plurality of false twisting units corresponding to a plurality of yarns are supported on a machine frame, and each of the plurality of false twisting units is provided with a predetermined twisting unit. Three spindles spaced apart in parallel at an axial distance of three, three sets of friction disks mounted on each of the spindles, a spindle mount for supporting each of the spindles so as to be rotatable, and a thread. A yarn guide that guides the yarn to a traveling path that comes into contact with the friction disk, wherein the spindle mounts of the plurality of false twist units are relatively moved in a predetermined movement direction orthogonal to the axial direction of the spindle. A moving means is provided for moving the two false twist units closer to and away from each other.

In this configuration, since the spindle mounts of the plurality of false twisting units approach and separate in a predetermined moving direction orthogonal to the axial direction of the spindle, the two false twisting units are arranged close to each other and the mounting density of the false twisting units is reduced. During the operation, the two false twisting units can be separated from each other to secure a required work space therebetween. In addition to the above configuration, the rotational direction of the spindle in one false twist unit and the rotational direction of the spindle in the other false twist unit of the two adjacent false twist units are opposite to each other, and the two false twist units run adjacent to each other. If the two yarns are false-twisted in opposite directions to each other, a false twisting apparatus advantageous for processing of a so-called SZ ply yarn is obtained.

When the moving means moves the spindle mounts of the plurality of false twist units closer to each other, the friction disk of one false twist unit of the two adjacent false twist units becomes the friction disk of the other false twist unit. When the spindle partially overlaps with the disk in the axial direction of the spindle, and the moving means separates the spindle mounts of the plurality of false twist units from each other, the friction disk of the one false twist knit is moved to the other false twist unit. It is preferable to be out of the partial polymerization region where the friction disk is polymerized. In this way, the false twisting unit is arranged closer to reduce the installation space of the entire apparatus, a sufficient working space in front of the false twisting apparatus including a passage of an operator during operation is secured, and the false twisting is performed. When working on the units, adjacent false twist units can be separated from each other to secure a required interval.

Further, the spindle mounts of the plurality of false twist units are independently supported in a detachable manner with respect to the machine frame, and the moving means separates the spindle mounts of the plurality of false twist units from each other. When
If each false twist unit is made detachable individually,
Workability can be further improved. The moving means, a pair of movable gantry supported detachably supporting the spindle gantry of two adjacent false twist units and movably supported in the moving direction by the machine frame,
A connecting shaft extending in the moving direction between the pair of moving frames and connecting the two moving frames so as to be relatively movable in the moving direction, an operation shaft supported by the frame and operated in a predetermined direction,
A motion converting mechanism for converting the motion of the operation shaft into the motion of the pair of movable gantry. In that case, the operation shaft is rotatably supported by the machine frame so as to extend parallel to the connection shaft, and the motion conversion mechanism has one mounted on the operation shaft and the other mounted on the operation shaft. A cam and a roller mounted on each of the pair of movable frames, and an elastic member for urging the pair of movable frames toward one side in the moving direction, wherein the cam or the roller mounted on the operation shaft is When rotating around the axis of the operation shaft while engaging with a roller or a cam mounted on a movable gantry, the plurality of false twist units may be relatively moved in the moving direction. This makes it possible to constitute a means for guiding the spindle gantry movably in the moving direction by cooperating the operation shaft and the connection shaft.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. As shown in FIG. 1, the yarn false twist device according to the present invention includes first and second (ie, multiple) false twist units 11 and 12 corresponding to a plurality of synthetic fiber yarns Y1 and Y2. The false twist units 11 and 12 are independently and detachably supported on the machine frame 13.

The false twisting unit 11 comprises three spindles 21, 22, and 23 which are separated in parallel so as to form an equilateral triangle at a predetermined center distance, and three sets mounted on each of the spindles 21 to 23. Friction discs 21a-21
c, 22a to 22c, 23a to 23c, and spindle 2
Spindle mount 2 capable of rotationally driving each of 1 to 23
4A, a movable gantry 25A for detachably supporting the spindle gantry 24A, and the frictional disks 21a to 21
c, 22a to 22c, upper and lower thread guides 27, 28, 29 for guiding a predetermined traveling route in contact with 23a to 23c.
L and 29U. Although the details are not shown, the spindle mount 24A includes one spindle 2
A motor directly connected to 1 and a timing pulley and a belt for connecting the three spindles 21 to 23 in the same direction to rotate them in the same direction are housed in a case. Removable attachment is performed by fitting a pair of cylindrical pins 25c and 25d (see FIG. 3) protruding from the movable gantry 25A into the formed pair of parallel fitting holes. Reference numeral 24f denotes an elastic sheet made of rubber or the like mounted on the lower surface of the spindle gantry 24A or the upper surface of the movable gantry 25A so as to be interposed between the spindle gantry 24A and the movable gantry 25A.

Since the false twisting unit 12 adjacent to the false twisting unit 11 has substantially the same configuration as the false twisting unit 12, the same reference numerals are used to briefly describe the false twisting unit 12. Spindles 21 to 21 spaced apart and parallel
23, and three sets of friction disks 21a to 21c, 22a to 22c, 23 mounted on the spindles 21 to 23, respectively.
a to 23c, a spindle mount 24B capable of rotating each of the spindles 21 to 23, and a spindle mount 2
A movable frame 25B for detachably supporting the 4B, a yarn Y2;
To the friction disks 21a to 21c, 22a to 22
c, and upper and lower thread guides 27 and 28 for guiding a predetermined traveling route in contact with 23a to 23c. In addition,
The spindle mount 24B has the same configuration as the spindle mount 24A, and has a pair of cylindrical pins 25f, 25g protruding from the movable mount 25B in a pair of parallel fitting holes formed vertically in the case. (See FIG. 3), the detachable attachment is performed.

Further, as shown in FIG. 3, one of the adjacent false twist units 11 and 12 is one of the false twist units 11 and 12.
The rotation directions of the spindles 21 to 23 and the rotation direction of the spindles 21 to 23 in the other false twisting unit 12 are opposite to each other, and the two yarns Y1 and Y2 running adjacent to each other are opposite to each other. False twist. The friction disks 21 of the spindles 21 to 23
a to 21c, 22a to 22c, and 23a to 23c are twisted in the upstream yarn running section with respect to the synthetic fiber yarn hooked between them and running from the upper side to the lower side in FIG. In the traveling section on the downstream side, a false twist is performed by acting to release the twist.

The spindle mounts 24A and 24B of the false twist units 11 and 12 are separated in the left and right oblique directions in FIG. 1 with a bracket-like guide member 13b provided on the machine frame 13 therebetween. 25B enables relative movement in the left-right direction (predetermined movement direction) in FIG. 1 orthogonal to the axial direction of the spindles 21 to 23. These movable frames 25A, 25B are provided with both false twist units 11, 1
It constitutes a part of the moving means 30 for moving the two spindle mounts 24A and 24B closer and farther apart.

The moving means 30 detachably supports two adjacent spindle mounts 24A and 24B,
In addition to the pair of movable frames 25A and 25B supported by the frame 13 so as to be movable in the moving direction,
It has a connecting shaft 31 and an operating shaft 32 extending in the moving direction between the spindle mounts 24A and 24B, and the connecting shaft 31 connects the two moving mounts 25A and 25B to be relatively movable within a predetermined moving range. ing. The operating shaft 32 is rotatably supported by the machine frame 13 so as to extend in parallel with the connecting shaft 31. One end of the operating shaft 32 has an operation stop position indicated by a solid line in FIG. An operation lever 33 that is rotatable between a work stop position indicated by a virtual line in FIG. That is, the operation shaft 32 is operated in the operation direction (predetermined direction) of the operation lever 33.

Further, the operation shaft 32 and the movable frame 25A,
Between 25B, rotation (movement) accompanying operation of operation shaft 32
Is converted into a relative movement of the movable frames 25A, 25B of the false twisting units 11, 12. The motion conversion mechanism 40 includes a pair of rollers 41, 42 mounted on the operation shaft 32 on both sides of the guide member 13 b of the machine frame 13, and each of the movable frames 25 A, 25 B facing the rollers 41, 42. A coil spring 45 (elastic member) for urging the integrally mounted cams 43 and 44 and the moving frames 25A and 25B of the false twisting units 11 and 12 in one direction in the approaching / separating direction (moving direction), for example, in the approaching side. ).

As shown in FIG. 4, each of the cams 43 and 44 is formed in a sector shape having an angle range of, for example, 100 degrees, and has an inclined cam surface C1 from one end to a predetermined angle position, and a flat cam surface. C2. Both the inclined cam surface C1 and the flat cam surface C2 are located within the rotation range of the rollers 41 and 42 associated with the operation of the operation lever 33, and the operation lever 33 is moved from the solid line position in FIG. While being operated toward, the moving frames 25A and 25B are relatively separated from each other via the cams 43 and 44 while the rollers 41 and 42 roll on the inclined cam surface C1, and
The coil spring 45 is compressed via these movable frames 25A and 25B.

That is, the moving means 30 includes the guide member 13 a of the machine frame 13, the connecting shaft 31 and the operating shaft 32.
The moving stand 25A guided so as to be relatively movable by, for example,
25B is moved by a motion conversion mechanism 40 interlocked with the operation of the operation lever 33, and the rollers 41, 42 mounted on the operation shaft 32 engage with the cams 43, 44 mounted on the movable frames 25A, 25B. While rotating around the axis of the operating shaft 32, the plurality of false twist units 11, 12
Are relatively moved in the moving direction to approach and separate from each other.

When the moving frames 25A and 25B of the false twist units 11 and 12 are moved closer to each other, one of the adjacent false twist units 11 and 12 is turned off.
Some of the friction disks 21a to 21c supported by at least one spindle 21 of one unit are different from some of the friction disks 22a to 22c supported by at least one spindle 22 of the other false twist unit 12. The spindles 21 to 23 partially overlap in the axial direction (see FIG. 6), and the moving means 30 moves the moving frames 25A and 25A of the false twisting units 11 and 12.
When the 5B are separated from each other, the partial friction disks 21a to 21c of one false twist knit 11 deviate from the partial overlap region Z where the partial friction disks 22a to 22c of the other false twist unit 12 overlap. (See FIGS. 5 and 6). When the moving means 30 separates the spindle frames 24A, 24B of the false twist units 11, 12 from each other by the movable frames 25A, 25B, the respective false twist units 11, 12 are individually detachable from the machine frame 13. It is supposed to be.

The roller 41 mounted on the operating shaft 32,
42 to a pair of symmetric cams,
The cams 43 and 44 and the rollers mounted on B can be respectively changed to have the same function. FIG.
, 51 is attached to the guide member 13a and
A guide bush 52 for supporting the first slidably in the axial direction;
Is a guide bush mounted on the movable base 25B to guide the connecting shaft 31 slidably in the axial direction, and 53 is a retaining ring for contracting the coil spring 45 between the connecting shaft 31 and the movable base 25B. . Further, 54 is a guide bush for slidably connecting the operation shaft 32 to the lower portion of the guide member 13a in the axial direction, and 55 and 56 are rollers 43, 4 on the operation shaft 32.
4 is an annular mounting member for mounting, and is integrally fixed to the operation shaft 32 by attaching a screw member (not shown) to a flat cut portion thereof.

In the false twist device configured as described above, the spindle mounts 24A of the false twist units 11 and 12 are used.
24B can be approached and separated in a predetermined moving direction orthogonal to the axial direction of the spindles 21 to 23, so that both false twisting units 11 and 12 are arranged close to each other,
2 and a similar false twisting unit group arranged in parallel with them can be mounted at a higher density, and productivity can be improved without increasing the size of the stretch false twisting machine or the like. In addition, during a thread hooking operation or a maintenance operation such as cleaning or friction disk replacement, the operation lever 33 is rotated to separate the false twist units 11 and 12 as shown in FIG. S can be secured.

Further, two adjacent false twist units 1
Since the rotational direction of one of the spindles 1 and 12 and the rotational direction of the other spindle are opposite to each other, the two yarns Y1 and Y2 running adjacent to each other are false twisted in opposite directions. Therefore, the yarns Y1 and Y2 are
A so-called SZ plying yarn can be processed as a plying yarn on the downstream side of 1 and 12.

When the moving means 30 brings the spindle mounts 24A and 24B closer to each other as shown in FIG.
The friction disks 21a to 21c of one of the false twist units 11 are partially overlapped with the friction disks 22a to 22c of the other false twist unit 12 in the axial direction of the spindles 21 to 23. Then, the moving means 30 is connected to the spindle mount 24 of the false twist units 11 and 12.
When A and 24B are separated from each other as shown in FIG.
The friction disks 21a to 21c of one false twist knit 11 are connected to the friction disks 22a to 22c of the other false twist unit 12.
Since it is configured to deviate from the partial polymerization region Z (see FIG. 6) that overlaps with 2c, the false twisting units 11 and 12 can be arranged closer to each other to reduce the installation space of the entire apparatus in the front, rear, left, and right directions. The working space in front of the false twisting device (the false twisting units 11 and 12 and the false twisting unit for a plurality of weights in parallel with the false twisting units) including the passage of the worker at the time of operation can be sufficiently secured, and the above-described operation can be performed. The effect can be enhanced.

Further, the spindle mounts 24A and 24B of the false twist units 11 and 12 are independently supported by the movable mounts 25A and 25B so as to be detachable from the machine frame 13. When the spindle mounts 24A and 24B are separated from each other, the false twisting units 11 and 12 can be individually attached and detached, so that workability can be greatly improved.

The operating shaft 32 is rotatably supported by the machine frame 13 so as to extend in parallel with the connecting shaft 31.
The rollers 41 and 42 mounted on the operating shaft 32 are
A, since the false twist units 11 and 12 are relatively moved in the moving direction when rotating around the axis of the operation shaft 32 while engaging with the cams 43 and 44 mounted on the A and 25B, A guide means for guiding the spindle mounts 24A and 24B movably only in the moving direction by cooperating the shaft 32 with the connection shaft 32 can be simply configured.

[0027]

According to the present invention, the spindle mounts of the plurality of false twist units are moved closer to and away from each other in a predetermined moving direction orthogonal to the axial direction of the spindle.
The two false twist units can be arranged close to each other to increase the mounting density of the false twist units, and at the time of work, the two false twist units can be separated from each other to secure a required work space therebetween. As a result, it is possible to provide a false twisting device that is small in size, has excellent productivity, and is easy to thread and maintain.

Further, since the distance between the false twisting units can be reduced, a compact false twisting device capable of joining a plurality of yarns can be provided. Further, if the rotation direction of the spindle in one false twist unit and the rotation direction of the spindle in the other false twist unit of the two adjacent false twist units are opposite to each other, the two traveling units are adjacent to each other.
The yarns of the book can be false twisted in opposite directions. As a result, it is possible to produce so-called SZ ply yarn easily and with high quality by causing the two yarns to run in close proximity and twisting after false twisting.

Further, when a plurality of false twist units are brought close to each other, the friction disk of one of the adjacent false twist units is partially overlapped with the friction disk of the other false twist unit. The twisting unit is arranged closer to reduce the installation space of the device in both the parallel direction and the depth direction, and a sufficient working space in front of the false twisting device including the passage of the operator during operation is provided. Can be.

If the spindle mounts are supported independently and detachably from the machine frame,
Since each false twist unit can be attached and detached independently, at the time of friction disk replacement, the false twist units that need to be replaced can be individually worked, and the workability can be further improved. In addition, if the means for guiding the spindle mount so as to be movable in the moving direction by cooperating the operation shaft and the connection shaft is configured, further downsizing can be achieved.

Furthermore, the quality of the yarn can be improved by reducing the bending of the yarn at the entrance and exit of the false twisting unit.

[Brief description of the drawings]

FIG. 1 is a cross-sectional front view of a main part of an embodiment of a false twisting apparatus for a yarn according to the present invention.

FIG. 2 is a left side view of the false twist device of one embodiment.

FIG. 3 is a top view of the false twist device of one embodiment.

FIG. 4 is an explanatory diagram of a cam shape for relatively moving the false twist unit of one embodiment.

FIG. 5 is an operation explanatory diagram when two false twist units of one embodiment are separated from each other.

FIG. 6 is an operation explanatory diagram when two false twist units of one embodiment are brought close to each other.

[Explanation of symbols]

11 first false twist unit 12 second false twist unit 13 machine frame 21, 22, 23 spindle 21a-21c, 22a-22c, 23a-23c
Friction discs 24A, 24B Spindle mount 24f Elastic sheet 25A, 25B Moving mount 25c, 25d, 25f, 25g Pin 27, 28 Thread guide 30 Moving means 31 Connecting shaft 32 Operating shaft 33 Operating lever 40 Motion conversion mechanism 41, 42 Roller 43, 44 Cam 45 Coil spring (elastic member) 51 Guide bush 52 Guide bush C1 Inclined cam surface C2 Flat cam surface Y1, Y2 Thread

Claims (6)

[Claims] 1. A plurality of false twisting units corresponding to a plurality of yarns are supported on a machine frame, and each of the plurality of false twisting units is separated in parallel by a predetermined axial distance. Spindle, three sets of friction disks mounted on each of the spindles, a spindle mount for supporting each of the spindles so as to be rotatable, and a yarn guide for guiding a yarn to a traveling path in contact with the friction disks Moving means for relatively moving the spindle mounts of the plurality of false twisting units in a predetermined moving direction orthogonal to the axial direction of the spindle to move the two false twisting units closer and further away from each other. A false twist device for a yarn, comprising: 2. The rotating direction of a spindle in one false twisting unit and the rotating direction of a spindle in the other false twisting unit of two adjacent false twisting units are opposite to each other. The false twisting device for a yarn according to claim 1, wherein the yarns are false twisted in opposite directions. 3. When the moving means moves the spindle mounts of the plurality of false twisting units closer to each other, the friction disk of one of the false twisting units of the two adjacent false twisting units causes the friction disk of the other false twisting unit to increase. When the spindle partially overlaps with the disk in the axial direction of the spindle, and the moving means separates the spindle mounts of the plurality of false twist units from each other, the friction disk of the one false twist knit is moved to the other false twist unit. 3. The method according to claim 1, wherein the friction disk is deviated from a partial polymerization region where the friction disk is superimposed.
The false twisting apparatus for a yarn according to claim 1. 4. A spindle frame of the plurality of false twist units is supported so as to be independently detachable from the machine frame, and the moving means separates the spindle frames of the plurality of false twist units from each other. The yarn false twisting device according to claim 1, 2 or 3, wherein each of the false twisting units is individually detachable with respect to the machine frame. 5. A pair of movable gantry, which supports detachably supporting spindle gantry of two adjacent false twist units and is movably supported by the machine frame in the moving direction. A connecting shaft extending in the moving direction between the moving frames and connecting the two moving frames in a relatively movable manner in the moving direction; an operating shaft supported by the frame and operated in a predetermined direction; 2. A yarn false twisting apparatus according to claim 1, further comprising: a motion conversion mechanism that converts the motion of the pair into the movement of the pair of movable frames. 6. The operation shaft is rotatably supported by the machine frame so as to extend in parallel with the connection shaft, and one of the motion conversion mechanisms is mounted on the operation shaft and the other. A cam or roller mounted on each of the pair of movable frames, and an elastic member for urging the pair of movable frames toward one side in the moving direction. 6. A plurality of false twisting units move relative to each other in the moving direction when is rotated around the axis of the operation shaft while engaging with a roller or a cam mounted on the movable gantry. The yarn false twisting device according to the above.