JP2521490Y2 - Roller device - Google Patents

Description

TECHNICAL FIELD The present invention relates to a roller device capable of changing the positions of a roller and a support with respect to a mounting base, for example, a drawing machine for drawing a spun yarn. The present invention relates to a roller device.

2. Description of the Related Art Generally, when a yarn spun from a spinneret is cooled to a predetermined temperature, it is wound around a plurality of rollers and a drawing process is performed by utilizing the speed difference between these rollers.

Conventionally, as a roller device used in such a stretching machine, for example, one shown in FIGS. 6 and 7 is known. This is a flange that projects outward
It has a support member 15 which is composed of a swivel member 12 in which 11 is formed and a support member 14 fixed to this swivel member 12 via a plurality of bolts 13. Further, a pin 17 located on the axis of the flange 11 is inserted into both the swivel member 12 and the mounting base 16, and the bottom surface 18 of the swiveling member 12 and the mounting surface 19 of the mounting base 16 are in surface contact with each other. There is. As a result, the support 15 has the required angle about the pin 17 (for example, 3 °, 5 °, 10 °
You can only turn). A rotary shaft 21 driven by a motor 20 is rotatably supported at the tip of the support body 15, and the rotary shaft 21 extends at right angles to the axis of the swivel member 12. A roller 22 around which a yarn is wound is fixed to one side of the rotary shaft 21. A fixing member 23 is arranged so as to surround the flange 11, and the fixing member 23 is composed of a plurality of (here, two) segments 24 and 25 arranged in the circumferential direction. These segment 2
Two arcuate grooves 26 and 27 are formed in the grooves 4 and 25, respectively. By inserting bolts 28 and 29 into the arcuate grooves 26 and 27 and screwing them into the mounting base 16, the flange 11 of the support 15 is segmented.
The support 15 that holds the roller 22 by sandwiching it between the mounting surfaces 19 and 24 and 25 is mounted on the mounting base 16 at the position after the required angle is turned.
It is fixed to. In addition, 30 is a machine frame of a stretching machine which passes substantially through the turning center of the support body 15, and the peripheral space is divided into two by this machine frame 30.

When changing the orientation of the roller 22 and the support 15 with respect to the machine frame 30 in this case, all bolts
28 and 29 are loosened to release the flange 11 from being sandwiched between the segments 24 and 25 and the mounting base 16, and then the support body 15 and the roller 22 are swung by a predetermined angle about the pin 17, and then the bolt 28, The support body 15 is again fixed to the mounting base 16 by tightening 29.

However, in such a conventional roller device, when the support body 15 is swung as described above, the flange 11 of the support body 15 is provided between the segments 24 and 25 and the mounting base 16. Since all of the bolts 28 and 29 have to be loosened and tightened because they are sandwiched by the machine frame 30, the machine frame 30 reduces the surrounding space.
Since the work is divided and interferes with the work, it is necessary to move the work on one side and then move it to the other side to carry out the work again, resulting in a problem that the work efficiency becomes low.

It is an object of the present invention to provide a roller device that can easily perform the above-described turning operation of a support by operating from one side.

Means for Solving the Problems An object of the present invention is to have a tapered portion having a truncated cone shape that tapers toward the tip at the base end, and the base end surface of the taper portion is in contact with the mounting surface of the mounting base. A support body that can swivel around the axis of the tapered portion, a rotation shaft that is rotatably supported by the tip of the support body, and that extends at a right angle to the axis of the tapered portion, and that is fixed to the rotation shaft. With Laura,
A fixing member that is arranged so as to surround the tapered surface of the tapered portion, has a tapered surface that is in surface contact with the tapered surface on an opposing surface that faces the tapered surface, and includes a plurality of segments that are arranged in the circumferential direction. By bringing each segment of the fixing member closer to the taper part, the taper part is pressed against the mounting surface to fix the support body at the position after turning the required angle, and the segment occupying almost half circumference is separated from the taper surface by the operation from one side. It is possible to achieve this by providing a fixing means that can be set.

When rotating the roller and the support, first, the fixing means is operated from one side to separate the segment of the fixing member occupying substantially half circumference from the tapered surface of the taper portion. As a result, the contact between the tapered portion and the fixing member is less than half the circumference, and since this contact is between tapered surfaces that taper toward the tip of the support, the support is centered on the axis of the taper. It becomes possible to turn. In this state, the support is rotated by a predetermined angle, and then the fixing means is operated from the same side as the above, to bring the separated segment close to the tapered portion. As a result, the tapered surfaces of all the segments forming the fixing member come into surface contact with the tapered surfaces of the tapered portions. As a result, the entire tapered portion of the support is pressed against the mounting surface by the wedge action of the tapered surface of the fixing member and the tapered surface of the tapered portion, and the support is fixed at the position after turning. Here, in such a turning, even if the circumference of the roller device is divided into two parts by, for example, the machine frame, in the present invention, as described above, the fixation of the segment of the fixing member that occupies almost half the circumference by the operation from one side is released. Since it can be fixed, the work is not hindered by such a machine frame, and the work efficiency is improved.

Embodiment Hereinafter, a first embodiment of the present invention will be described with reference to the drawings.

In FIGS. 1 and 2, reference numeral 35 denotes a mounting base which is a part of the stretching machine, and the mounting base 35 has a flat mounting surface 36. Reference numeral 39 denotes a support member, and a through hole 40 parallel to the mounting surface 36 is formed in the support member 39. Reference numeral 41 denotes a taper portion fixed to the base end surface of the support member 39 by a plurality of bolts 42. The taper portion 41 has a truncated cone shape that tapers toward the tip and has a taper surface 45 on the outer circumference. The tapered portion 41 is placed on the mounting surface 36, and the base end surface 43 thereof is in surface contact with the mounting surface 36. The support member 39 and the tapered portion 41 described above constitute a support body 44 as a whole.

Reference numeral 48 denotes a rotary shaft that is loosely fitted in the through hole 40, and the rotary shaft 48 extends at right angles to the axial center of the tapered portion 41. Further, a pair of bearings 49 is interposed between the rotary shaft 48 and the support member 39, whereby the rotary shaft 48 is a support body.
It is rotatably supported at the tip of 44. Reference numeral 52 is a cylindrical roller fixed to a rotary shaft 48 protruding from one end of the support member 39, and a yarn is wound around the roller 52 during stretching. A motor 55 as a drive source is fixed to the other end of the support member 39, and an output shaft 56 of the motor 55 and the rotary shaft 48 are connected by a joint 57.

Reference numeral 60 denotes a ring-shaped fixing member arranged so as to surround the periphery of the tapered surface 45 of the tapered portion 41, and the fixing member 60 has the same inclination angle as that of the tapered surface 45 on the surface facing the tapered surface 45. A tapered surface 61 formed of a part of the conical surface is formed. The taper surface 61 of the fixing member 60 can be in surface contact with the taper surface 45 of the taper portion 41. A plurality of recesses may be formed on at least one of the tapered surfaces 45 and 61 so that the contact between the tapered surfaces 45 and 61 is uniform on the whole. Further, the fixing member 60 is composed of a plurality of (two in this embodiment) segments 62 and 63 arranged in the circumferential direction, and these segments 62 and 63 extend over substantially half a circumference.

In FIGS. 1, 2, and 3, reference numeral 65 denotes a pair of holes formed in one segment 62 and separated in the circumferential direction.
Extend parallel to the axis of the tapered portion 41. 68 is a plurality (here, two) of collars, and these collars 68 have a cylindrical portion 69 whose outer diameter d is smaller than the inner diameter D of the hole 65 and whose axial length m is longer than the wall thickness T of the segment 62, A flange portion 70 is integrally formed at the tip of the cylindrical portion 69 and has an outer diameter G larger than the inner diameter D of the hole 65. Then, these collars 68 are fixed to the mounting base 35 by bolts 71 screwed into the mounting base 35 with the cylindrical portions 69 inserted into the holes 65, respectively. As a result, a gap 72 is formed between the inner circumference of the hole 65 and the outer circumference of the cylindrical portion 69, which allows the segment
62 can move a little in a plane parallel to the mounting surface 36, and a gap 73 is formed between the flange 70, the mounting surface 36 and the segment 62, so that the segment 62 is formed in the tapered portion 41. It can move a little in the axial direction. On the other hand, the segment 63 is also formed with a pair of holes 75 parallel to the holes 65, and the bolts 76 inserted into these holes 75 are attached to the mounting base.
Screwed to 35. As a result, the segment 63 is firmly fixed to the mounting base 35. Also, the segment
A pair of bolt holes 77 extending perpendicularly to the dividing surfaces of the segments 62 and 63 and parallel to the mounting surface 36 are formed in the 62, and bolts 78 screwed into the segment 63 are formed in the bolt holes 77 on the side of the segment 62. Has been inserted from. Then, when the screwed positions of these bolts 78 are adjusted, the segments 62 and 63 move closer to or away from each other, and the distance between them changes. Collar 68, bolt 71, 7 mentioned above
6 and 78 collectively constitute a fixing means 80 for pressing the tapered portion 41 against the mounting surface 36 to fix the support body 44 to the position after the turning by bringing the segments 62 and 63 of the fixing member 60 close to the tapered portion 41. To do. When the bolt 78 of the fixing means 80 is loosened by the operation from one side (segment 62 side), the segment 63 is fixed to the mounting base 35, so that the segment 62 occupying substantially half circumference is tapered 41.
The support body 44 can rotate about the axis of the taper portion 41 with the base end surface 43 in contact with the mounting surface 36.

In FIGS. 1, 2, and 4, reference numeral 85 is an arm fixed to the support member 39 and extending parallel to the dividing surfaces of the segments 62 and 63. The tip of this arm 85 has a screw shaft 87 of a screw shaft 87 via a ball joint joint 86. One end is connected. 88 is the base at the base
It is a rotating body inserted in 35, and this rotating body 88 is a tapered portion.
It can rotate about an axis parallel to the axis of 41. The other end of the screw shaft 87 is screwed into the tip of the rotating body 88, and a knob 89 is provided on the screw shaft 87 on one end side of the ball joint joint 86. As a result,
When the screw shaft 87 is rotated by the knob 89 when the segment 62 is separated from the taper portion 41, the support body 44 and the roller are rotated.
52 swivels around the axis of the taper portion 41. The arm 85, the ball joint joint 86, the screw shaft 87, and the turning body 88 described above collectively constitute a turning means 90 for turning the support body 44 and the roller 52.

Reference numeral 95 denotes a machine frame of a stretching machine that extends parallel to the center of rotation (axial center of the taper portion 41). With this machine frame 95, the surrounding space is located on one side where the segment 62 exists and the other side where the segment 63 exists. It is divided into two. The machine frame 95 may be provided closer to the roller 52 side than that shown in FIGS. 1 and 2 if necessary.

Next, the operation of the first embodiment of the present invention will be described.

Now, it is assumed that a yarn (not shown) has been stretched. At this time, the roller 52 is rotating at a predetermined speed by the motor 55, and the yarn is
And a roller (not shown) paired with the roller 52.

Next, in order to change the direction of the roller 52 and the support body 44 with respect to the machine frame 95 in accordance with a change in the type of yarn, etc., first, the bolt 78 of the fixing means 80 is used to rotate the machine frame.
Operate from one side of 95 (segment 62 side in Fig. 2) to loosen. At this time, the segment 63 is fixed to the mounting base 35 by the bolt 76, and the gap 72 exists between the hole 65 of the segment 62 and the collar 68.
Only the segment 62, which occupies approximately half the circumference, moves to one side and is separated from the segment 63, whereby the tapered surface 61 of the segment 62 is separated from the tapered surface 45 of the tapered portion 41. As a result, the contact of the fixing member 60 with the taper portion 41 is limited to the segment 63 and less than half the circumference, and the contact between the taper portion 41 and the segment 63 is tapered toward the tip end. Become one another,
The support body 44 and the roller 52 can rotate about the shaft center of the taper portion 41.

In this state, the knob 89 is operated from one side (the segment 62 side in the embodiment of FIG. 2) of the machine frame 95 to rotate the screw shaft 87. As a result, the support body 44 and the roller 52 rotate by a predetermined angle.

Then, the bolt 78 of the fixing means 60 is operated and screwed in from one side of the machine frame 95. As a result, only the segment 62 moves to the other side and approaches the segment 63, whereby the tapered surface 61 of the segment 62 contacts the tapered surface 45 of the tapered portion 41. When the bolt 78 is further screwed in this state, the segment 62 rides on the tapered surface 45 of the tapered portion 41,
At this time, the segment 62 contacts the flange portion 70 of the collar 68 and its movement toward the tip side is restricted.
62 receives the reaction force from color 68. This reaction force is a tapered surface
The wedge action of 45, 61 transmits the tapered portion 41 to the tapered portion 41, whereby the tapered portion 41 is pressed against the mounting surface 36 by the segment 62. At this time, the tapered portion 41 is pushed between the segment 63 and the mounting surface 36 by the segment 62, so that the taper portion 41 receives the reaction force from the segment 63 and is pressed against the mounting surface 36. In this way, the tapered portion 41 has the tapered surface 45 in surface contact with the tapered surfaces 61 of all the segments 62 and 63 that form the fixing member 60, and is pressed against the mounting surface 36 by the wedge action of these tapered surfaces 45 and 61. Support 44, roller 52
Is fixed at the desired position after turning. Here, at the time of such a turning operation, the periphery of the roller device is covered by the machine frame 95.
Although it is divided, in this embodiment, as described above, the fixing means 80 can be operated from one side to release and fix the segment 62 of the fixing member 60 occupying at least a half circumference. The machine frame 95 does not hinder the turning work, and the work efficiency is improved.

FIG. 5 is a diagram showing a second embodiment of the present invention. In this embodiment, a worm gear is used as the turning means. A worm wheel 97 whose central axis coincides with the turning center of the support 44 is attached to the support 44, and a fixing member 60 is provided.
The worm 98, which meshes with the worm wheel 97, is rotatably supported. When the support 44 and the roller 52 are rotated, the rotary shaft 99 of the worm 98 is rotated a predetermined number of times.

Although the support member 39 and the taper portion 41 are separate members in the above-described embodiments, they may be integrally formed in this invention. Further, in both of the above-mentioned embodiments, the fixing member 60 is composed of two segments 62 and 63, but in the present invention, it is composed of three or more segments, and when the support is turned, one of them is used. The segment occupying almost half the circumference may be released / fixed. Further, in each of the above-described embodiments, the segment 63 is firmly fixed to the mounting base 35 by the bolt 76, but in this invention, the segment 63 is loosely fitted with the collar 68 similarly to the segment 62, Loosen the bolt 78 so that both segments 62 and 63 are
It may be separated from. Further, in the present invention, the bolts 78 may be screwed in from the segment 63 side and the bolts 78 may be operated from the segment 63 side.

As described above, according to the present invention, the turning target position of the support can be easily changed by the operation from one side, and the work efficiency is improved. In addition, since the structure has a high rigidity as a whole, no harmful vibration occurs during use.

[Brief description of drawings]

FIG. 1 is a partially cutaway front view showing a first embodiment of the present invention,
2 is a plan view thereof, FIG. 3 is a sectional view taken along the line II of FIG. 2, FIG. 4 is a sectional view taken along the line II-II of FIG. 2, and FIG. 5 is a second embodiment of the present invention. Fig. 6 is a plan view showing an example, Fig. 6 is a partially cutaway front view showing an example of a conventional roller device, and Fig. 7 is II in Fig. 6.
It is a sectional view taken along the line I-III. 35 …… Mounting base, 36 …… Mounting surface 41 …… Tapered part, 43 …… Base end surface 44 …… Supporting body, 45 …… Tapered surface 48 …… Rotary shaft, 52 …… Roller 60 …… Fixing member, 61 …… Tapered surface 62, 63 …… Segment, 80 …… Fixing means

Claims (1)

(57) [Scope of utility model registration request] 1. A base end portion has a taper portion having a truncated cone shape that tapers toward the tip, and the base end surface of the taper portion is in contact with the mounting surface of the mounting base while centering on the axial center of the taper portion. A support that can swivel, a rotation shaft that is rotatably supported by the tip of the support, and extends at a right angle to the axis of the taper, a roller that is fixed to the rotation shaft, and a taper of the taper. A fixing member formed of a plurality of segments arranged in the circumferential direction, the fixing member being arranged so as to surround the tapered surface, and a taper surface that is in surface contact with the tapered surface is formed on an opposing surface facing the taper surface. By moving the segment closer to the taper part, the taper part is pressed against the mounting surface to fix the support at the position after turning by the required angle, and the segment occupying almost half circumference is separated from the taper surface by the operation from one side. Roller apparatus characterized by comprising: a fixing unit that can Rukoto, a.