JPS623735B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method and an apparatus for winding a glass fiber yarn around a winding collet at the start of winding, that is, when spinning is started from a spinning nozzle in a glass fiber spinning winder.

At the start of yarn winding in a glass fiber spinning winder, the operation of winding the yarn around the take-up collet (hereinafter referred to as the collet) has traditionally been a large-scale manual operation to catch the yarn end and apply tension. , was wrapped around the rotating collet. That is, when spinning glass fibers, molten glass is spun into a large number of fibers from a bushing, passed through an oiling roller and a focusing roller, and wound onto a collection of a winding machine. The distance between the winder and the winder is long; the bushing is usually located on the second floor of a building, and the winder is located on the floor of the first floor. Therefore, in order to wrap the glass fiber yarn around the collect using the conventional method,
This requires collaboration between a worker located upstairs who is in charge of spinning the glass fibers from the bushing, and a worker downstairs who captures the ends of the glass fibers and wraps them around the collect. This is the reality. However, such conventional methods require manpower, skill, and burden on the workers, making it difficult to ensure work safety.

It is an object of the present invention to provide a method and device for winding glass fiber yarn at the start of spinning, which completely solves the problems in the above-mentioned conventional methods. The glass fiber yarn from the auxiliary winding means is passed along with the flowing water and guided to the auxiliary winding means adjacent to the collet, and is temporarily wound by the auxiliary winding means, so that the winding by the auxiliary winding means meets the winding conditions by the collet. When a match is reached, the glass fiber yarn is transferred from the auxiliary winding means onto the rotating collet, thereby winding it around the collet. The automatic device that performs this winding consists of a gutter-like guide device for a flowing water stream that flows the glass fibers from the bushing, a tensioning mechanism that grips the end of the glass fiber thread and pulls it past the position of the collect, and A mechanism is provided for temporarily displacing the glass fiber thread stretched between the tensioning mechanisms to the position of the auxiliary winding means so that the auxiliary winding means can temporarily wind it. The present invention will be explained below with reference to the drawings.

FIGS. 1 and 2 briefly illustrate this embodiment schematically, and FIGS. 3 and 4 show its concrete apparatus.
FIG. 5 is a block diagram showing the process order of the winding method of the present invention. As shown in FIG. 1, a large number of glass fibers 2 are spun from an upper bushing (nozzle) 1, oiled by a lower oiling roller 3, and then bundled by a focusing roller 4 to be wound into a lower winding. It is wound up on the collet 6 of the machine 5. A trough-like shooter 15 is provided below the bushing 1, slanting from a position immediately below the focusing roller 4 to a thread receiving portion of the tensioning mechanism below the collet 6. At the upper end of the shooter 15 is a nozzle 1 for spouting water.
4 is provided. The glass fibers 2 spun from the bushing 1 are bundled and flow together with the flowing water in the shooter 15, and are guided to the lower tension mechanism. This water stream properly guides all the filaments without being harmful to the glass fibers.
If the shutter 15 is provided tilted as shown,
This provides the advantage of avoiding splashing the winder 5 with water. Note that the shooter 5 has a so-called tapered shape so that its width or thickness gradually decreases as it approaches the lower tension mechanism. Reference numeral 7 denotes a skein frame as an example of the auxiliary winding means, and the skein frame 7
is disposed on the same rotational axis as the collet 6, and is movable back and forth between the dotted line position and the solid line position as shown in FIG. Each peg 8 of the skein frame projects its free end toward the collet 6, and the skein frame 7 is configured to be open on the collet 6 side. This configuration makes it easy to temporarily capture and wind up the glass fibers. In addition, each petugu 8
are arranged on concentric circles with a diameter larger than the collet, and at the position indicated by the solid line, the circle made by the pegs is large enough to surround the outer periphery of the collet. Note that the skein frame 7 is rotated when necessary, as will be described later. By the way, in order to perform auxiliary winding using this skein frame 7, it is effective to first grasp and pull the end of the yarn in order to make the skein frame capture the yarn, and then pass the yarn near the collect. It is. The mechanism will be explained below.

The fixed roller 9 and the movable roller 10 constitute a pull roller device as an example of this yarn tensioning mechanism,
During winding, the yarn pulled out from the upper bushing 1 at the beginning of spinning is held between these rollers. The cutter roller 11 cuts the glass fiber sent out from this pull roller device into short pieces.
To facilitate the handling of yarn until it is transferred to a collect and switched to normal winding. As shown in FIG. 1, the movable roller 10 is pivotally supported by a cradle 13 that swings around a shaft 12, moves in the direction of the arrow from the dotted line position, and rotates in contact with the rotating fixed roller 9.
Grip and pull the yarn with both rollers. The lower end of the chute 15 is located above the yarn entry portion of the nip point of the rollers 9 and 10α. Reference numeral 16 denotes a yarn guide, which is moved from the normal winding position to the collet to the position of the skein frame in order to temporarily wind the glass fiber yarn stretched as described above onto the skein frame 7. The guide 16 is operated by a cylinder-piston mechanism or other similar mechanism of the winder 5.

With the apparatus having the basic structure described above, the glass fibers after the start of spinning are wound around the collet in the order shown in the block diagram of FIG. 5, as will be explained below.

When the device starts operating and glass fibers begin to be spun from the bushing 1, the pull roller device is started and the nozzle 14 starts jetting water. Thereupon, the yarn end of the glass fiber spun from the bushing 1 is prepared manually and guided to the upper end entrance of the chute 15 via an oiling roller 3 and a converging roller 4. The yarn guided into the chute 15 is flowed downward through the chute 15 together with a jet of water from the spout 14, and is guided onto the fixed roller 9 of the pull roller device. At this time, the movable roller 10 of the pull roller device moves from the standby position indicated by the dotted line to the operating position indicated by the solid line, and cooperates with the fixed roller 9 to grip the glass fiber yarn, and at the same time stops the water fountain from the nozzle 14. At this time, since the fixed roller 9 is rotating, the gripped glass fibers are gripped by both rollers 9 and 10 and sent downward, cut into short pieces by the lower cutter roller 11, and disposed of as waste yarn. After being gripped by both rollers 9 and 10, the glass fiber yarn is subjected to tension by the feeding of both rollers, and as shown in FIG.
As shown in b, the glass fiber thread continues to be drawn out for a while after being separated from the shutter 15 and being pulled between the gripping points of the focusing roller 4 and the rollers 9 and 10. Next, the thread guide 16 is actuated to the left from the position shown by the dotted line on the right in FIG. 2 to displace the thread transport path to a position 2b' away from the collet position. This operation of the yarn guide is performed by a cylinder 25 of the winding machine 5 via a connecting rod 24 (FIG. 3).

Next, the skein frame 7 moves from the standby position indicated by the dotted line in FIG. 2 to the operating position indicated by the solid line, and at the same time begins to rotate. Since the glass fiber yarn is traveling along the path 2b', it is captured by the pegs 8 of the skein frame 7, and thereafter the glass fiber yarn is wound onto the skein frame 7. During this time, the collet 6 and the traversing line conductor 17 of the winder 5 are started and are rotating at the winding speed. When the yarn speed of the glass fiber yarn wound around the skein frame 7 matches the circumferential speed of the collet 6 and the winding can be switched to the collet 6, the yarn guide 16 moves to the left side in FIG. Returns from the position shown by the solid line to the position shown by the dotted line on the right. The glass fiber thread 2 is deflected in the direction of the collet 6 due to its own tension. Next, it is automatically captured by the traversing thread conductor 17 which is reciprocatingly traversing along the collet, contacts the circumferential surface of the collet 6 which is rotating at high speed, and is easily wound around the collet 6. rolled up.
Thereafter, the yarn is twisted, and regular winding of the glass fiber onto the collet 6 is started. The skein frame 7 stops rotating, the yarn wrapped around the collet 6 is cut and returns to the position indicated by the dotted line in Figure 2, and the remaining glass fiber yarn wrapped around the skein frame 7 is removed manually or by a separate mechanism. be removed.

In the above operation, water is ejected from the spout 14, followed by the operation of the movable roller 10 and the rotation of the roller 9 and cutter roller 11 at the same timing, the movement and rotation of the skein frame 7 to the operating position, and the thread guide. A series of operations such as the reciprocating operation of the frame 16 and the subsequent retraction of the skein frame 7 to the standby position are performed by, for example, a cylinder and piston mechanism, a fluid supply circuit connected thereto, and a solenoid installed on the circuit. This is done by operating valves, etc. using a sequence circuit, but
The operations are performed by a well-known program control mechanism similar to the operations of conventional automatic winders.

A detailed explanation of this control mechanism will be omitted. According to this program control, the winding of the yarn end around the collet 6 can be done automatically without requiring manual labor as in the conventional method, and the object of the present invention, which is to reduce manual labor, can be achieved.

3 and 4 show specific embodiments of the present invention, and for ease of understanding, parts corresponding to those in FIGS. 1 and 2 are given the same reference numerals as the first and second ones. 1, and duplicate explanations will be omitted.

In FIGS. 3 and 4, 20 is a base, 21 is a trochanter that supports the base 20, and 22 above is a cover, in which a rotation drive mechanism for the skein frame 7 is housed. The lower part 23 is a driving motor for the fixed roller 9 of the pull roller mechanism, and 27 is its belt transmission mechanism. As shown in FIG. 4, the lower end 15' of the chute 15 can be bent by a joint 26, and the portion from this joint 26 to the free end swings to the nip point of the rollers 9 and 10 of the pull roller mechanism. Guide the glass fiber thread with its tip facing above. The skein frame 7, the rollers 9 and 10 of the pull roller mechanism, and the cutter roller 11 are integrated as a whole on a base 20. The skein frame 7 is integrated with the upper cover 22 and slides forward and backward with respect to the collet 6, as shown in FIG.
The operation is as described with reference to FIG. In addition, in the event of a breakdown or maintenance inspection of the entire device, the trochanter 2 that supports the base 20
1 to the left side in Figure 3 for easy work. However, in the case of a winding machine in which two collets 6 are arranged side by side on a turret, the configuration shown in FIGS. 3 and 4 allows switching winding operation during switching winding, and this is also clear from FIG. 5. be. In such a case, the base 20 is fixed.

Although the present invention has the features as detailed above, it is not limited to the above and illustrated examples. The shooter may be a cylinder with vertical grooves.

The auxiliary winding means is not limited to the skein frame system, but any system that can capture and hold the yarn may be used.

Since this invention is as explained above, it is possible to completely automate the work from the time when the glass fiber is drawn out from the spinning nozzle and engaged with the focusing roller to the time when the winding machine winds it around the collet, thereby saving labor. The work can be made easier and the winding production efficiency can be improved.

[Brief explanation of the drawing]

FIG. 1 is a schematic side view of a yarn winding machine equipped with a winding device of the present invention, FIG. 2 is a front view thereof, and FIGS. 3 and 4 are a front view and a side view, respectively, of a specific embodiment. ,
FIG. 5 is a block diagram showing the sequence of operations in the winding operation of the present invention. 1...butching, 3...oiling roller,
4...Focusing roller, 6...Collection, 7...Skein frame, 9...Fixed roller of pull roller mechanism, 10...
...Movable roller of pull roller mechanism, 11... Cut roller, 14... Water spout, 15... Shooter, 16... Thread guide, 17... Twisting thread guide, SW... Switch, SV... Solenoid valve , LS...Limit switch.

Claims (1)

[Scope of Claims] 1. The end portion of the glass fiber yarn that has started spinning from the bushing (nozzle) is placed on a guide provided from a position immediately below the focusing roller to a yarn receiving portion of a tensioning mechanism at the bottom of the winding collet. A process of guiding the yarn by a flowing water stream, a pulling process of grasping the end of the yarn guided to this position and transferring the yarn under tension, and a process of catching the yarn under this tension transfer to reach a predetermined winding speed. 1. A winding method at the start of glass fiber spinning, characterized by comprising an auxiliary winding step of tightening the yarn, and a step of transferring the yarn that has reached a predetermined winding speed to a rotating collet with a predetermined winding speed. 2. A gutter-like guide mechanism having a fountain nozzle at the upper end that guides the end portion of the glass fiber yarn at the start of spinning from a position immediately below the focusing roller to a yarn receiving part of the tensioning mechanism at the lower part of the winding collet; A tensioning mechanism that captures the yarn end portion and pulls and transfers the yarn below the winding collet, and a retractable yarn guide that temporarily displaces the yarn transfer path to be pulled and transferred outside the winding range of the winding collet. a mechanism, an auxiliary winding mechanism that captures and rotates the yarn on this displacement transfer path, and when the auxiliary winding yarn speed reaches a predetermined speed, the yarn guiding mechanism is retreated to an inoperative position to move the yarn at a predetermined speed. A winding device at the start of glass fiber spinning, characterized in that it is equipped with a control mechanism that brings the winding into contact with a rotating winding collet.