JP3305700B2 - Yarn winding device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a winding device in which a continuously supplied yarn is fed or stretched by a roller and wound on a bobbin by a winding machine.

[0002]

2. Description of the Related Art In a conventional winding device, as shown in FIGS. 5 and 6, a frame 50 having a lower gate portion is erected from the floor, and a winding machine 51 is disposed in the gate shape of the frame 50. A feed roller group 52 for heating and drawing or cooling the yarn and feeding the yarn is installed at a position above the gate of the frame 50, and a nozzle (not shown) for discharging the yarn above the frame 50 and the nozzle (not shown). A spinning cylinder 53 for cooling and solidifying the yarn is provided. That is, the winder 51 and the respective feed rollers 52 are separated from each other, and the feed rollers 52 are disposed on a frame fixedly installed on the floor.

[0003]

According to the prior art described above, the position of the yarn guide 54 serving as a traversing fulcrum when the yarn is wound by the winder is increased. Therefore, the yarn guide 5
4. The feed roller, which is installed further above 4, is wound up.
At a high position above the machine 51, and as a result, the machine height of all equipment is increased (for example, the bobbin holder length is 1200 m).
In the case of the m-end and 8-end winding machine, the feed roller 52a is installed at a height from the floor of 3500 mm and a frame height of 40 mm.
However, there is a problem that the workability is poor because the work table is required when the worker hooks the thread, and the work is performed at a high place and the safety is low.

Further, as described above, since the height of the frame is high, the frame of the winder and the building on which the winder is installed are large, and it is necessary to strengthen the foundation for supporting the frame. For this reason, there has been a problem that the construction cost of the equipment is high. In addition, there is a problem that a large frame built from the floor is required to install the feeding roller, which increases the equipment cost.

[0005] Due to the high machine height of the equipment, it has not been possible to sufficiently cope with an increase in the size of the winding package and the increase in the number of ends when performing scrap and build, which is restricted by the building.

[0006]

SUMMARY OF THE INVENTION An object of the present invention is to solve the problems associated with the prior art as described above, and to reduce the height of equipment, reduce equipment costs, improve workability, and increase safety. An object of the present invention is to provide a yarn winding device.

[0007]

According to the present invention, as described in claim 1, a feed roller for feeding a plurality of yarns at a predetermined speed, and a yarn fed from the feed roller. A yarn reversing roller for substantially reversing the traveling direction of the yarn, and two bobbin holders above the reversing roller; winding the yarn as a plurality of packages on one of the bobbin holders; When a predetermined amount is reached, a yarn switching winder that switches to the other bobbin holder is provided, and the plurality of yarns supplied from above the feed roller are provided near the entrance of the feed roller. After converging to a predetermined narrow interval with ,
The yarn is wound around the feed roller, and between the vicinity of the outlet of the feed roller and the vicinity of the inlet of the reversing roller, the interval between the plurality of yarns is reduced from the narrow pitch in the feed roller to the position on the bobbin holder in the winding machine. and expanding the pitch of the winding is package, after wound around reversing rollers, the winding of the yarn, characterized in that the yarn by the winder traverse apparatus as wound on traversing the bobbin holder The above object is achieved by a take-off device. In this case, as described in claim 2 , the bobbin holder is driven by the driving means, and the contact roller is pressed against the package on the bobbin holder so as to control the rotation speed of the contact roller to a predetermined rotation speed. It is preferable to use a spindle-driven yarn switching winder described above.

[0008]

BRIEF DESCRIPTION OF THE DRAWINGS The present invention will be described in detail with reference to the accompanying drawings. 1 to 3 show an embodiment of the present invention. FIG. 1 is a front view, FIG. 2 is a side view of FIG. 1, and FIG. 3 shows details of a part III in FIG. In FIG. 2, 1 is a floor of a building , 2a is a floor 1 of a building.
2b shows a ceiling on the upper floor.

In FIG . 2, a spin block 3 is installed on an upper floor 2a .
A plurality (eight in this embodiment) of nozzles 3a (FIG. 1) are arranged so that the yarn Y (FIG. 1) can be discharged downward from the opening 2c of the floor 2a.

An opening 2 is provided so as to surround a plurality of nozzles 3a.
The spinning cylinder 4 that extends downward through c is mounted, and cooling air is blown out from the side surface 4a of the spinning cylinder 4 to cool and solidify the yarn Y discharged from the nozzle 3a.

Below the spinning tube 4, as shown in FIG.
An oil agent application nozzle 5 for attaching an oil agent to the yarn Y is provided. On the floor 1 of the building, a winding device 10 is provided.
ing. The winding device 10 includes a yarn feeding roller portion FR, a reversing roller portion R, and a winding device W. The feeding roller portion FR is disposed above the winding device W, and the reversing roller portion R is wound. In addition to being disposed below the take-up machine W, in the present embodiment, the feed roller unit FR, the take-up machine W and the reversing roller unit R are integrally mounted and configured as a portable unit.
In this embodiment, a plurality of the above-mentioned units are arranged substantially linearly.

A shielding plate 11 is provided above the winding machine W , as shown in FIG.
As shown, it protrudes from the machine frame 12 of the winder W toward the operation side of the winder, and shields heat from the feed roller unit FR and fallen objects from the upper part so as not to go to the winder . .

As shown in FIG. 1, the feed roller portion FR
A first feed roller set including a heating roller 6 and a separate roller 7 and a second feed roller set including a heating roller 8 and a separate roller 9 are provided. Each roller is rotatably supported by a supporter 13 as shown in FIG. Have been. That is, the heating roller 6 and the heating roller 8 are
a, 8a. Separate roller 7 and separate roller 9 are rotatably supported by shafts 7a and 9a, respectively. Incidentally, separate roller 7 and the separate roller 9 of the present embodiment is made possible high speed using an air bearing. As shown in FIG.
A guide 28 is provided above the heating roller 6,
Plural pieces that enter the heating roller 6 from the slur 3a via the spinning tube 4
Yarn Y converges to a predetermined narrow interval as shown in FIG.
You. The guide 29 (FIGS. 2 and 3)
A plurality of yarns Y installed below and coming out of the heating roller 8
It was regulated by a predetermined small distance as shown in Figure 2 and Figure 3
ing.

The yarn Y supplied from above is supplied to the heating roller 6
Is wound around the separate roller 7 a plurality of times.
Is wound around the heating roller 8 and the separate roller 9 a plurality of times to heat the yarn Y and to stretch the yarn Y between the two roller sets.

The heating roller 8 and the separate roller 9
Is heated, so that it is shielded by the heat retaining box 26 fixed to the supporter 13. In the heat retaining box 26, slit-shaped openings 26b and 26c are formed as yarn paths of the yarn Y. Further, for threading work, the door 26a
(FIG. 2) is provided to be openable and closable.

As shown in FIG . 1, the winding machine W includes a supporter 16 protruding from a lower portion of the machine casing 12.
Supports the arm 23 so that it can swing around the fulcrum 22. The contact roller 14 rotates on the other end of the arm 23.
The contact roller 14 is supported at the time of winding the yarn.
Rotates in contact with the package P. The arm 23
Is pushed up by the cylinder 24 to apply a predetermined contact pressure between the contact roller 14 and the package P during winding of the yarn.

[0017] Below the contact roller 14, the aforementioned
As a reversing roller portion R, a reversing roller 15 for reversing the yarn Y sent from the heating roller 8 is rotatably supported by a supporter 16 and is driven at a predetermined speed by a motor (not shown).

Above the contact roller 14, two bobbin holders 17 and 18 are rotatably supported by sliders 19 and 20, respectively, and the sliders 19 and 20 can circulate along a track 21. The sliders 19 and 20 are respectively driven by servo motors (not shown).

Each of the bobbin holders 17 and 18 has a plurality of
The bobbins 30 and 31 are mounted, and the yarn is wound on the bobbins 30 and 31. The bobbin holders 17 and 18 are driven by motors (not shown), respectively, and are contact rollers 14 which are driven in contact with the bobbin holders 17 and 18.
Is controlled by a control device (not shown) so that the number of rotations becomes a predetermined number of rotations.

A traverse device 27 is provided at a position facing the contact roller 14, and the yarn Y is traversed by a yarn guide 27a. In this embodiment, as the traverse device 27, a device that engages with the scroll cam and reciprocates the yarn guide is used. However, a device that traverses the yarn by the rotation guide, or another known device may be used. When the yarn is switched, the traverse device is stopped, and the yarn is stopped at the end of the package and near the yarn holding groove formed at the end of the bobbin by stopping the yarn guide 27a, and the yarn is moved to the package. Restrict to the end.

At the time of winding the yarn, the diameter of the yarn wound around the bobbin holder 17 is increased to a predetermined amount, and the contact roller 1
When the sensor 4 is moved by a small amount downward and the sensor 25 is actuated, the servomotor is started and the slider 19 is rotated in the direction of the arrow A (FIG. 1) along the track 21. When the sensor 25 is cut off, the servomotor is stopped. Slider 19 is stopped.

At the time of switching, the bobbin holder 18 is moved to a position where the thread gripping groove (not shown) formed at the end of the bobbin 31 mounted on the bobbin holder 18 engages with the thread regulated at the end of the traverse area. Is moved in the axial direction by a cylinder (not shown).

As shown in FIG.
The guide 32 is arranged in a central position of the traverse.
The guide 32 is at the time of yarn threading, and moved by a cylinder (not shown) to the end of the contact roller (front) to facilitate the yarn threading operation.

When the yarn is switched, each of the yarn guides 27a is moved to the vicinity of the corresponding package (stop position of the yarn guide 27a).

The above-described guide 28 (FIG. 1) is used for the supporter 1.
3, the plurality of yarns Y entering the heating roller 6 are converged at predetermined intervals. The above-described guide 29 (FIGS. 2 and 3) is fixed to the opening 26c of the heat retaining box 26, and regulates a plurality of yarns Y coming out of the heating roller 8 at predetermined intervals.

The operation will be described below. Figure 1
The yarn Y emitted from the plurality of nozzles 3a is
The cooling air is blown out from the side surface 4a (FIG. 2), and solidified by cooling, and the oil agent is applied to the yarn Y by the oil agent applying nozzle 5. The yarn to which the oil agent is attached is converged at a predetermined narrow interval by the guide 28, and the plurality of yarns Y are formed at the narrow interval.
Is fed to the feed roller section FR. Feed roller for yarn
In the FR, it is wound around the heating roller 6 and the separate roller 7 a plurality of times and then between the heating roller 8 and the separate roller 9 a plurality of times. The heating roller 6 and the heating roller 8 are driven at a predetermined rotation speed ratio, and are heated at a predetermined temperature to heat and stretch the yarn Y.

As shown in FIG . 2, the feed roller portion FR is structured.
Guide 29 is provided near the exit of heating roller 8
Was heated at feeding roller unit FR, the yarn Y of a plurality of which are stretched Ru is restricted to a predetermined narrow spacing guide 29. Inversion
In the vicinity of the entrance of the reversing roller 15 constituting the roller portion R
A guide 32 is provided, and a plurality of yarns are regulated by the guide 32 at the center of the traverse. This allows
The interval between a plurality of yarns constitutes the feed roller portion FR
From the narrow pitch of the heating rollers 6 and 8 to the winding machine
Of the package wound on the bobbin holder 17
To expand. The plurality of yarns Y whose intervals are expanded are wound around the reversing roller 15 driven at a predetermined rotation speed, and guided to the yarn guide 27 a of the traverse device 27.

[0028] Each yarn Y, the corresponding traverse device 27
Is traversed by the yarn guide 27a, a predetermined contact pressure is applied between the yarn guide 27a and the contact roller 14, and the yarn is wound on the bobbin 30 mounted on the bobbin holder 17 which is positively driven.

When the contact roller 14 moves a small amount downward as the winding of the package P wound on the bobbin 30 increases, the sensor 25 operates. When the sensor 25 operates, a servomotor for driving the slider 19 is started, and the slider 19 rotates in the arrow A direction by a small amount.
When the slider 19 rotates in the direction of arrow A, the contact roller 14 moves upward by a small amount, the sensor 25 is turned off, the servomotor stops, and the movement of the slider 19 stops. Hereinafter, the above operation is repeated, and winding of the yarn is continued.

When the winding amount of the package P reaches a predetermined amount, the bobbin holder 18 is started by a motor (not shown). When the bobbin holder 18 reaches a predetermined rotation speed, the slider 19 is detached from the contact roller 14 by a servo motor, When the distance between the package P and the package P reaches a predetermined size, the thread holding groove formed on the bobbin 31
At the time of switching, the bobbin holder 18 is moved in the axial direction (rightward in FIG. 2) so as to reach the position of the yarn Y wound on the package P. The driving of the traverse is stopped, the yarn guide 27a is positioned near the end of the traverse, and a bunch winding is formed on the outer periphery of the package P.

Next, when the slider 20 supporting the bobbin holder 18 is moved by the supporter to a position where the bobbin holder 18 and the contact roller 14 are in contact with each other, the slider 20 is formed into a thread Y and a bobbin 31 extending between the contact roller 14 and the package P. The yarn gripping groove is engaged, the yarn Y is gripped by the yarn gripping groove, and a predetermined bunch winding is formed near the yarn gripping groove. Next, at the same time when the bobbin holder 18 moves in the axial direction (left direction in FIG. 2), the traverse 27 is activated, and the yarn guide 27a moves rightward in FIG. 2 to form a transfer tail (pig tail) on the bobbin 31. You.

Next, the traverse speed is gradually increased to a predetermined value, and the winding of the package is started. Hereinafter, winding and switching are continued in the above-described manner.

In this embodiment, the bobbin holder is moved in the axial direction when the yarn is switched, but other known switching methods may be used.

In the present embodiment, the spindle drive type winder in which the bobbin holder is directly driven by a motor has been described, but a friction drive type winder may be used.

In this embodiment, the two bobbin holders are supported by different sliders, respectively. However, a winding machine in which the two bobbin holders are supported by one turret table may be used.

In this embodiment, the winding machine in which the slider or the turret table supporting the bobbin holder moves in the direction opposite to the rotation direction of the bobbin holder at the time of switching has been described.

In this embodiment, the winding machine in which the bobbin holder retracts with respect to the contact roller as the yarn becomes thicker has been described. However, the bobbin holder is fixed, and the contact roller retracts as the yarn becomes thicker. Machine.

Although the present embodiment has been described with respect to a mode in which two heating rollers and two separate rollers are used, two sets of two heating rollers, two heating rollers, one heating roller, and one separate roller are used. The number and arrangement of the rollers are not limited.

Although the present embodiment has been described using an oil applying nozzle, an oil applying may be applied to the yarn using a roller. Further, the oil applying nozzle or the oil applying roller may be integrally attached to the winding machine.

FIG. 4 shows another embodiment of the present invention, in which a slider or turret table supporting a bobbin holder moves in the same direction as the rotation direction of the bobbin holder, and a reversing roller is provided below the traverse device. It is arranged. Further, as shown in FIG. 4, the feed roller unit
The arrangement of the rollers in the FR differs from that of the above-described embodiment.
I have. Other points are the same as those of the above-described embodiment.

Control units (inverters, microcomputers, etc.) such as a winding machine, a feeding roller and a reversing roller, and a lubricating device may be integrally incorporated in the unit.

[0042]

According to the first aspect of the present invention,
The feed roller is disposed above the winder, and the reversing roller is disposed below the winder and supplied from above the feed roller.
A plurality of yarns to be supplied near the entrance of the feeding roller for a predetermined time.
After being converged to the gap, it is wound around a feed roller. Soshi
Installed below the feed roller and bobbin holder of the winder
The gap between the plurality of yarns is widened between the reversing roller and the reversing roller . Therefore , according to the present invention, it becomes the center of the traverse
The installation position of the yarn guide 32 can be lowered, and FIG.
And a 2, as will become clear from a comparison of FIGS. 5 and 6 showing a conventional apparatus, can reduce the height of the equipment.
For this reason, the building in which the winding device of the present invention is installed becomes large,
Therefore, according to the present invention, the equipment cost can be reduced . Change
And the height of the winding device is low, and
The present invention provides a yarn winding device which can be operated in a short time, has good workability, and has high safety.

[Brief description of the drawings]

FIG. 1 is a front view of one embodiment of the present invention.

FIG. 2 is a side view of FIG.

FIG. 3 shows details of a part III in FIG . 2 ;

FIG. 4 shows a partial front view of another embodiment of the present invention.

FIG. 5 is a front view showing a conventional device.

FIG. 6 is a side view showing a conventional device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Building floor 3 Spin block 14 Contact roller 15 Reversing roller 17 Bobbin holder 18 Bobbin holder 27 Traverse device 30 Bobbin 31 Bobbin FR Feeding roller part R Reversing roller part W Winding machine

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁷ , DB name) B65H 54/02 B65H 67/048

Claims (2)

(57) [Claims] A feed roller for feeding a plurality of yarns at a predetermined speed; a yarn reversing roller for substantially reversing a traveling direction of the yarn fed from the feed roller; Having two bobbin holders above the rollers, winding up the yarn as a plurality of packages on one of the bobbin holders,
When the yarn reaches a predetermined amount, a yarn switching winder that switches to the other bobbin holder is provided, and the plurality of yarns supplied from above the feed roller are fed to the feed roller. after being converged to a predetermined small distance in the inlet near the winding to said transmission feed roller, between the vicinity of the outlet of said transmission feed roller near the inlet of the reversing roller, before the spacing of the yarn of the plurality of
And expanding a narrow pitch in the serial feed roller to the pitch of the package is wound on the bobbin holder in the winding machine, after wound around reversing rollers, the winder traverse device traversing the bobbin holder on the yarn by A yarn winding device, wherein the yarn is wound. 2. A spindle drive type wherein the bobbin holder is driven by driving means, and a contact roller is pressed against a package on the bobbin holder to control the number of revolutions of the contact roller to a predetermined number. The yarn winding device according to claim 1 , which is a yarn switching winding machine.