JP2003096639A - Fiber-winding structure to rotary roller in roller device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a winding structure for safely winding a synthetic fiber on a rotary roller of such as a waste machine during its rotation. SOLUTION: This fiber-winding structure is provided by rotating a rotary roller 11A of the waste machine 4, feeding a fiber F to the inside of a fiber guide 95 and winding the fiber F on a winding part of first to 4th freely rotating rollers 25A to 25D at the outside of a partitioning cover 50. While sending the fiber F with the freely rotating roller 25A in the fiber transferring direction, the fiber F is transferred on an outer periphery to the inside in its axial line direction, creped through an insertion passage 75, transported to rotary rollers 11A to 11D and wound on the rotary rollers 11A to 11D. In the case of touching of a part of the body of a worker with the freely rotating rollers 25A to 25D, the freely rotating rollers 25A to 25D race by its resistance and therefore no accident caused by being wound into the rotary rollers 11A to 11D occurs.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stretching machine used in the step of stretching synthetic fibers such as tows and filaments,
The present invention relates to a structure for safely winding synthetic fibers around a rotating roller used in a roller device such as a waist machine used in combination with such a stretching machine.

[0002]

2. Description of the Related Art A drawing process of synthetic fibers will be described with reference to FIG. 7 for explaining the present application. Drawing machines 2A and 2B in which drawing rollers 3 (rotating rollers) that rotate around a horizontal axis are arranged in a zigzag pattern.
Are arranged in front of and behind the fiber processing apparatus 1, and the stretching machines 2
The synthetic fiber F is wound around the A and 2B drawing rollers 3 in order, and the synthetic fiber F is drawn between the adjacent drawing machines 2A and 2B. A fiber temporary depositing device called a waist machine 4 is arranged near the drawing machine (here, 2B) at a position off the supply line L to which the synthetic fiber F is supplied in the normal drawing process. A rotating roller around which the synthetic fiber F is wound is attached to the waist machine 4 so as to rotate around a horizontal axis. In such a stretching process, the entire stretching process cannot be stopped due to the nature of the work. Therefore, for example, when a trouble such as winding of the fiber occurs in the stretching machine 2B, the fiber is cut immediately upstream of the stretching machine 2B in the stretching direction, and the waist machine 4 arranged near the upstream side of the stretching machine 2B is activated. The processing device 1 on the upstream side of the stretching machine 2B in which the rotating roller is rotated to cause winding after cutting.
The synthetic fiber that comes out of the fiber is taken up and wound around, and discharged to the fiber collection box installed in the lower floor, while the drawing machine 2B that caused the wrapping is stopped, the wrapping is removed, and then restarted. The fiber is pulled from the waist machine and wound around each of the stretching rollers 3 of the stretching machine 2B.

[0003]

When depositing fibers in the waist machine, the worker manually winds the synthetic fibers while the rotating roller provided in the waist machine is rotating. There is a risk of accidents such as a person coming into contact with the rotating roller and being caught therein. Further, even in the drawing machine after the wrapping is removed, the drawing roller is rotated to wind the synthetic fiber, and there is a problem similar to the above. An object of the present invention is to provide a safe synthetic fiber winding structure that eliminates the occurrence of such a disaster when the synthetic fiber is wound around a rotating roller.

[0004]

In order to solve the above problems, in the present application, in a roller device used in the step of drawing a synthetic fiber such as a tow or a filament, it is rotatably supported in a cantilever state from a frame for winding the synthetic fiber. In a winding structure in which synthetic fibers are wound around a rotating roller, a free rotating roller is provided at each tip of the rotating roller arranged in a staggered manner on the frame so as to cover the outer periphery of the tip of the rotating roller. In addition to being coaxially arranged, a friction structure for transmitting the rotation of the rotating roller to the freely rotating roller is interposed between the rotating roller and the freely rotating roller, and the frame is positioned at an intermediate position in the axial direction of these freely rotating rollers. A partition cover is installed on the front of the rotary roller so that the front end of the rotary roller protrudes, and the partition cover is covered with synthetic fibers wound around the rotary roller. A feeding passage having a width necessary for feeding from the front side of the partition cover via the freely rotatable roller is continuously provided from the fiber inlet side to the outlet side of the roller device, and the synthetic fiber is provided as the freely rotatable roller outside the partition cover. It is characterized in that it is wound around the rotary roller by moving it inwardly from the feeding passage.

In this structure, when the torque transmitted by the friction structure is less than the dangerous torque such that the tow is wound around the freely rotatable roller, the freely rotatable roller rotates integrally with the rotatable roller, and the freely rotatable roller is manually operated. The dangerous torque generated by touching is set to such an extent that the free rotation roller stops, so that when the tow etc. is wound around the free rotation roller outside the partition cover, the synthetic fiber rotates integrally with the rotation roller. With the rotation of the freely rotatable roller, the movable roller moves along the outer periphery of the freely rotatable roller through the feed passage toward the inner side of the axis and is wound around the rotatable roller inside the cover. Even if the free-rotating roller touches the body during the winding operation, the free-rotating roller idles due to the friction structure, so that accidents such as being caught can be prevented.

Specifically, the friction structure is constructed by pressing a freely rotatable roller by an elastic member against the rotating portion of the rotatable roller. More specifically, a support shaft protruding forward from the rotation roller in the axial direction is integrally attached to the tip of the center axis of the rotation roller, and the bearing portion of the free rotation roller is rotatably fitted to the support shaft. The friction structure is configured such that the bearing portion is pressed against the rotation transmission member from the front side in the axial direction by the elastic member. It is preferable that the pressing force of the elastic member can be adjusted. The degree of friction is such that when a predetermined dangerous torque is applied to the free rotating roller, the free rotating roller slips with respect to the rotating roller, and if the torque to the free rotating roller is less than the dangerous torque, the rotation of the rotating roller does not occur. It is only transmitted to the freely rotatable roller. The dangerous torque is a torque generated when the worker touches the freely rotatable roller.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION In the drawing process of synthetic fibers shown in FIG. 7, drawing machines 2A and 2B are arranged in front of and behind the processing apparatus 1 for the synthetic fibers F on the second floor of the factory building. The synthetic fiber F is drawn due to the difference in the rotation speed of the drawing rollers 3 provided in the drawing machines 2A and 2B in a zigzag manner. In contrast to these drawing machines 2A and 2B, the waist machine 4 takes in the synthetic fiber F from the drawing machine 2B when there is a problem such as wrapping around the drawing machine 2B on the downstream side of spinning, and the drawing machine 2B. The synthetic fiber F supplied from the processing device 1 on the upstream side is stopped while the work is stopped to eliminate the inconvenience.
Is discharged to the outside from the drawing process, and is disposed at a position laterally separated from the normal spinning line L.

The waist machine 4 to which the present invention is applied will be described below. In FIG. 1, a single frame plate 9 is provided on the front surface of a frame body 8 formed by combining channel materials.
Are fixed to form the frame 10. The frame plate 9 is provided with cutout holes 12 corresponding to the positions where the four rotary rollers 11A to 11D are attached. The rotating rollers 11A to 11D are, as shown in FIG.
Are arranged in a zigzag pattern at the top and bottom, with intervals along the direction of travel. The upper two rotating rollers 11A and 11C are
Bearing unit 13A mounted on the frame upper surface 10A,
13C, and the intermediate rotation roller 11B is attached to the frame member 10B provided at the vertical middle portion of the frame 10 by the bearing unit 13B. 10
They are supported by bearing units 13D attached to C, respectively. Since the bearing structures of the rotating rollers 11A to 11D are all the same, the first rotating roller 1 shown in FIGS.
1A will be described.

A horizontal roller shaft 15 is rotatably supported by a pair of front and rear bearing units 13A, 13A fixed to the upper surface 10A of the frame 10. The roller shaft 15 projects further rearward than the bearing unit 13A on the rear side (FIG. 3), and a chain sprocket 16 is integrally provided at the projecting end. The chain sprocket 16 is rotated by an endless chain which is rotated by a drive motor (not shown), whereby the roller shaft 15 is rotated to rotate the rotating roller. The front part of the axis of the roller shaft 15 projects forward from the notch hole 12 of the frame plate 9 and the shaft hole 18 of the front and rear bosses 17 provided at the center of the rotating roller 11A.
Is fitted into the roller shaft 15 with the key 19 and the nut 20.
It is integrally combined with. The base end portion of the support shaft 21 is integrally screwed to the tip end of the roller shaft 15 in line with the rotation axis of the roller shaft 15. Support shaft 21 is roller shaft 15
It projects further forward from the tip. As shown in FIG. 5, the base end portion of the support shaft 21 includes a flange portion (rotation transmitting member) 22 having a slightly larger diameter. The front surface of the collar portion 22 constitutes a friction surface 23 that transmits the rotation of the rotating roller 11A to the freely rotating roller 25A.

Freely rotating rollers (here, 25A, freely rotating rollers 25A to 25 for the rotating rollers 11A to 11D, respectively)
(Corresponding to D), a pair of disc members 27 are welded to the inside of the cylindrical roller 26, a pipe 28 is welded to the center of the disc member 27, and a metal (bearing) is attached to the inside of the pipe 28. Part) 29 is press-fitted, and the flange part 30 is welded.
The tip portion is closed by a cover 31.
The center hole of the metal 29 is rotatably supported by the support shaft 21, and an elastic member (disc spring) 32 is pressed against the front side of the axis of the front metal 29 so that the tip end of the support shaft 21 comes from the front side of the axis. The disc spring 32 is compressed by screwing the torque adjusting nut 33 into the portion, and the axial rear end surface 29a of the rear metal 29 is pressed against the friction surface 23 of the collar portion 22 to rotate the rotating roller 11A. A friction structure 35 for transmitting to the freely rotatable roller 25A by the frictional force between the friction surface 23 and the rear end surface 29a of the rear metal 29 in the axial direction.

In the friction structure 35, the transmission torque at which the rotating roller 11A and the free rotating roller 25A start idling can be set variously by tightening and tightening the torque adjusting nut 33. Here, the synthetic fiber F is used as the free rotating roller 2.
With the resistance of about 5A, the freely rotatable roller 25
A and the rotating roller 11A rotate integrally, and when a dangerous torque such that a part of the worker's body touches the rotating roller 25A is applied to the rotating roller 25A, the rotating roller 2A
The transmission torque is set so that 5A stops and only the rotating roller 11A rotates. The cylindrical roller 26 of the freely rotatable roller 25A has an inner diameter in the axial end portion slightly larger than the outer diameter of the distal end portion of the rotatable roller 11A, and is supported by the support shaft 21 while being rotated. The tip end portion of 11A slightly goes into the inside of the cylindrical roller 26, and the tip end portion of the rotating roller 11A is covered. The inner end 26a of the cylindrical roller 26 on the axis is connected to the rotary roller 11A.
Is substantially continuous with the tip of the tapered surface 36 formed at the tip of the.

As shown in FIG. 4, a plurality of support studs 41A and 41B are attached to the front surface of the frame plate 9 with nuts 40 at the bases thereof, and are protruded forward. . The tip surfaces 42 of the support studs 41A and 41B reach the intermediate position in the axial direction of the freely rotatable roller 25A and are located in the same vertical plane. There are two types of support studs 41A and 41B, and the tip surface 42
Only used to attach partition cover 50 4
1B and the front end surface 42 are used for attaching the partition cover 50, and are also provided with a large-diameter collar portion 43.
3 is used for attaching the upper front and rear covers 80, 81 and the like, or 41A used for attaching the horizontal guide plate 90. The support studs 41A, 4
The partition cover 5 made of a thin plate material is attached to the front end surface 42 of 1B.
0 is attached. The partition cover 50 is divided into upper and lower parts. The lower edge shape of the upper cover 51 corresponds to the upper outer periphery of the three freely rotatable rollers 25A to 25C and the left outer periphery of the discharge side freely rotatable roller 25D as shown in FIG.
Two arc portions 53 to 56, straight edge portions 57 to 59 connecting adjacent arc portions, a straight edge portion 60 extending horizontally from the arc portion 53 on the entrance side, and a straight edge extending downward from the arc portion 56 on the exit side. And part 61. The shape of the upper edge of the lower cover 52 includes the lower outer circumference of the three freely rotatable rollers 25A to 25C, the four arcuate portions 62 to 65 corresponding to the right outer circumference of the freely rotatable roller 25D on the discharge side, and the adjacent arcuate portions. It is formed by connecting straight edge portions 66 to 68, a straight edge portion 69 extending horizontally from the arc portion 62 on the entrance side, and a straight edge portion 70 extending downward from the arc portion 65 on the exit side.

With the partition cover 50 attached, the arcuate portions (53, 6) of the upper and lower covers 51, 52 facing each other.
2) Freely rotating rollers 25A to 25D from the projecting holes formed by (54, 63) (55, 64) (56, 65), respectively.
The front part of the roller protrudes forward and the freely rotatable rollers 25A to 25D
Between the fiber winding portion (upper side, lower side, upper side, left side of each roller outer periphery in order from the fiber supply side) and the upper and lower circular arc portions 53, 63, 55, 56 of the lower covers 51, 52. The formed arcuate passages R1 to R4 and the upper and lower covers 5
1, 52 straight edges (60, 69) (5) facing each other
7,66) (58,67) (59,68) (61,7)
0) the straight passages S1 to S5 formed between the synthetic fibers F continuous from the fiber inlet side to the outlet side of the waist machine 4.
The delivery passage 75 is configured. The width of the feeding passage 75 is set to the minimum width necessary for the synthetic fiber F to pass therethrough, so that the operator's hand cannot enter.

An upper front cover 80, an upper rear cover 81, and an upper cover 8 are provided between the upper cover 51 and the frame plate 9.
It is blocked by 2. Upper front cover 80, upper rear cover 8
No. 1 is attached by using the collar portion 43 of the support stud 41A. The upper surface cover 82 is pivotally supported so as to open and close and swing upward with respect to a support plate 83 fixed to the frame plate 9. The lower cover 52 covers the front edge and the lower edge of the lower cover 52 between the lower cover 52 and the frame plate 9. The lower cover 84 is also fixed using the brim portion 42 of the support stud 41A. As shown in FIGS. 1 to 3, the entrance-side upper edge of the lower cover 84 and the upper front cover 80.
A horizontal guide plate 90 is provided between the lower edge and the lower edge. The guide plate 90 projects from the front end edges of the upper and lower covers 51 and 52 in the fiber supply direction, and the rear end thereof reaches the vicinity of the outer circumference of the first rotating roller 11A. The guide plate 90 is attached via a mounting member 91 on the flange 43 of the two support studs 41A provided on the supply side of the first rotating roller 11A, and its upper surface and the lower edge of the upper front cover 80 are In between, supply fiber F
A gap L1 through which the is passed is formed. This gap L1
However, the width is such that the operator cannot get it. In addition, a substantially vertical fiber guide plate 93 is attached downward from the fourth rotating roller 11D. Horizontal guide plate 90
A long hole 94 in the width direction is formed in the fiber, and a fiber guide 95 projects upward from the long hole 94. Fiber guide 9
Reference numeral 5 guides the side surface portion of the fiber F to be supplied, and is attached so that the position in the axial direction of the roller can be adjusted.

A similar cover 50 is attached to the stretching machine 2B (2A) as shown in FIG. Stretching machine 2B (2
Also in the case of A), the partition cover 50 is composed of the upper cover 51 and the lower cover 52, and the tip end of the stretching roller 3 cantilevered by the frame is freely rotatable by the same mounting structure as described above. The roller 3A is rotatably provided via a friction mechanism. Stretching machine 2B (2
In the case of A), the upper cover 51 is attached to the frame so that the whole of the upper cover 51 swings openably and closably upward, and when the stretching roller 3 is wound, the upper cover 51 is easily removed from the periphery of the stretching roller 3. It can be removed.

When wrapping occurs in the stretching machine 2B downstream of the processing apparatus 1 in the fiber feeding direction, the stretching machine 2B
Upstream of B, here, at the exit portion of the processing apparatus 1, the fiber is cut, and the stretching machine 2B that has caused the winding is stopped,
Work to remove the wrapping. However, since the processing device 1 and the drawing device 2A on the upstream side of the drawing device 2B in which the winding has occurred do not stop, the worker bundles the fibers F coming out of the processing device 1 and guides them to the waist device 4. The rotating rollers 11A to 11D of the waist machine 4 are rotated to insert the fibers F into the inside of the fiber guide 95, and in that state, outside the partition cover 50, the first to fourth freely rotating rollers 25A to 25
The fiber F is wound around the winding part of D. At this time, since the freely rotatable rollers 25A to 25D are integrally rotated with the rotatable rollers 11A to 11D via the friction mechanism 35, this rotation causes the freely rotatable rollers 25A to 25D to wind at the outer position T1 of the partition cover 50. Hung fiber F
While being fed in the fiber feeding direction by the freely rotatable roller 25A, the outer periphery thereof is moved inward in the axial direction to move into the insertion passage 75.
Through the inner ends of the axes of the freely rotatable rollers 25A to 25D to the rotatable rollers 11A to 11D, the fiber side surface moves to a position T2 where the fiber guide 95 has the same phase, and is wound around the rotatable rollers 11A to 11D.

During this winding operation, when a part of the operator's body, such as a hand, touches the freely rotatable rollers 25A to 25D, the resistance thereof causes the freely rotatable rollers 25A to 25D.
Since 25D idles against the rotating rollers 11A to 11D, there is no accident involved in the rotating rollers 11A to 11D. Moreover, since the operator's hand does not enter from the insertion path 75, the operator does not come into contact with the rotating rollers 11A to 11D that are forcibly rotating, and the winding work can be performed very safely. Thus, the rotating roller 11A
The fibers wrapped around ~ 11D are collected in a collection box (not shown) prepared in the lower floor. Then, when the wrapped fiber of the stretcher 2B that has caused the winding is removed, the stretcher 2B is activated. Then, the worker pulls the fibers from the waist machine 4, and sequentially winds the fibers F from the upstream side in the fiber supply direction outside the partition cover 50 to the freely rotatable roller 3A at the tip of the stretching roller 3 of the drawn stretching machine 2B.
After that, the action of the fiber F being wound around the stretching roller 3 through the freely rotating roller 3A is exactly the same as that of the waist machine 4.

Other aspects of the invention captured from this embodiment will be listed below. (1) The rotating roller is a stretching roller supported by the frame of the stretching machine, and each stretching roller is arranged along a fixed spinning line. (2) The rotating roller is supported by the frame of the waist machine arranged near the drawing machine, and the synthetic fiber is guided to a position in the same phase as the rotating roller at the spinning upstream portion of the waist machine. It is characterized in that a fiber guide is provided. (3) The partition cover is divided into an upper part and a lower part. The partition cover is fixed to the frame and is formed between the wrapping outer periphery of the freely rotatable roller arranged in the projecting hole formed in the facing part of the upper and lower covers. Send from the arc-shaped passages, the straight passages that connect adjacent passages, and the straight passages that connect the inlet side and the outlet side to each end of the arc-shaped passages of the freely rotatable rollers on the inlet side and the outlet side. A passage is formed, and each of the straight passages is formed between the facing portions of the upper and lower partition covers.

[0019]

As described above, according to the present invention, the synthetic fiber is wound around the rotatable roller which is rotated outside the partition cover via the friction mechanism, and the rotation of the rotatable roller inside the partition cover is caused by the rotation. Since it is sent to the wrapping part, even if a part of the worker's body touches the free rotating roller, the friction mechanism causes the free rotating roller to spin.
It is possible to prevent the operator's hands from being caught in the rotary roller, and safely carry out the fiber winding work.

[Brief description of drawings]

FIG. 1 is a side view of a waist machine having a wrapping structure according to the present application.

FIG. 2 is a plan view of FIG.

FIG. 3 is a view as seen from III in FIG. 1.

4 is an enlarged cross-sectional view taken along the line IV-IV of FIG.

FIG. 5 is an enlarged view of a main part of FIG.

FIG. 6 is a side view of a stretching machine having a winding structure according to the present application.

FIG. 7 is a diagram showing a stretching step, (a) is a plan view,
(B) is a side view.

[Explanation of symbols]

4 Waist machine (roller device) 10 frames 11A-11D rotating roller 21 Support shaft 22 Collar (rotation transmission member) 25A-25D Freely rotating roller 29 Metal (bearing part) 32 Disc spring (elastic member) 35 Friction structure 50 partition cover 75 delivery passage F synthetic fiber

Claims (5)

[Claims] 1. A roller device used in a step of drawing synthetic fibers such as tows and filaments, in which a synthetic fiber is wound around a rotary roller which is rotatably supported in a cantilever state from a frame for winding the synthetic fiber. At each tip of the rotating roller arranged in a zigzag manner on the frame, a freely rotating roller is arranged coaxially with the rotating roller so as to cover the outer periphery of the rotating roller tip, and the rotating roller and the freely rotating roller are A friction structure for transmitting the rotation of the rotating roller to the freely rotating roller is interposed between the frames, and the frame is provided with a partition cover at a position intermediate in the axial direction of the freely rotating roller so that the front end portion of the freely rotating roller is provided. The synthetic fiber to be wound around the rotary roller is projected from the front side of the partition cover through the freely rotatable roller. A feeding passage having a width necessary for feeding is continuously provided from the fiber inlet side to the outlet side of the roller device, and the synthetic fiber is hung on the freely rotatable roller outside the partition cover to inward the axis from the feeding passage. A structure for winding a fiber around a rotary roller in a roller device, characterized in that the structure is wound around the rotary roller by moving. 2. The fiber winding structure for a rotating roller in a roller device according to claim 1, wherein the flexible rotating roller is pressed against the rotating portion of the rotating roller by an elastic member to form a friction structure. 3. A support shaft projecting axially forward of the rotation roller is integrally attached to the tip of the center shaft of the rotation roller, and a bearing portion of the free rotation roller is rotatably fitted on the support shaft.
3. The fiber winding structure for a rotating roller in a roller device according to claim 2, wherein the friction structure is configured such that the bearing portion is pressed against the rotation transmitting member of the support shaft from the front side in the axial direction by the elastic member. 4. The degree of friction is such that when a predetermined dangerous torque is applied to the freely rotatable roller, the freely rotatable roller slips with respect to the rotatable roller, and when the torque to the freely rotatable roller is less than or equal to the dangerous torque. The fiber winding structure for a rotating roller in a roller device according to claim 2 or 3, wherein the rotation of the rotating roller is transmitted to the freely rotating roller. 5. The fiber winding structure for a rotating roller in a roller device according to claim 4, wherein the dangerous torque is a torque generated when an operator touches the freely rotating roller.