JPH0818751B2 - Strand guiding method and apparatus for starting glass fiber spinning - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a focusing roller at the start of spinning when winding glass fiber, or at the start of re-spinning during strand cutting that occurs during the winding operation (hereinafter simply referred to as the start of spinning). The present invention relates to a method and an apparatus for guiding a glass fiber strand (hereinafter also simply referred to as a strand) to a tensioning mechanism provided below a lower winding device via an upper guide roller.

[0002]

2. Description of the Related Art Long glass fibers are usually formed by processing a large number of filaments obtained by spinning a glass melt from a bushing, then bundling them into strands by means of a guide roller and a collet rotating at a high speed in a winder. , A strand cake made of filaments of a predetermined diameter is formed. The distance between the bushing and the winding device in the above-mentioned manufacturing apparatus is large, and normally the bushing, the sizing agent applying roll, the sizing roll, the guide roller, etc. are provided on the second floor of the building, and the winding device is provided on the first floor. The operations such as the spinning operation and the strand focusing are performed by the upstairs worker, and the strands passing through the second floor and falling are captured,
The operation of winding around the rotating collet end of the winding device, the operation of removing the full bobbin of the collet, the fitting of the empty bobbin, and the like required joint work by the downstairs workers. In particular, the operation of winding the strand of the downstairs worker around the collet requires skill and is dangerous, and the burden on the worker is large, and various proposals have been made to automate the work.

For example, a strand tensioning mechanism is provided below the collet of the winding device so that a thick strand at the start of spinning can be tension-transferred close to the collet, and a notch for catching a strand at the tip of the collet or a pin or a cassette roller and A means for providing a catching tool such as mechanical attachment / detachment so that the strand under tension transfer is brought into contact with the catching tool to mechanically start winding is proposed, and further, the spinning start described above is proposed. Japanese Patent Laid-Open No. 59-31253 discloses a means for providing a trough-shaped guide passage that can form a falling water flow over the tensioning mechanism below the collet.

The strand guiding means by the flowing water flow described in the above publication was developed by the present inventors.
Although it is possible to smoothly guide and transfer the strands, the burden on the operator is not sufficiently reduced, and there are the following problems in operation. That is, at the start of spinning, when the strands collected immediately under the bushing are in a drop state in which the stationary partition plate for the machine-to-machine partition slides down and continues to the lower underground bit, the strands are left in a trough shape. It is impossible to introduce into the flow guideway, and it is necessary for an upstairs worker to cut the strand under the falling state and supply the cut end to the strand receiving part at the upper part of the gutter-shaped guideway. In particular, it is not easy to cut a thick strand, and when the cutting end of the strand is thrown into the flow guideway on the gutter, the feeding speed is such that the force of the water flow flowing in the guideway to pull the strand is almost reduced. If the speed is too high, the strands will become stagnant and clogged in the gutter, and on the other hand, if the feeding speed is extremely slow, the strands will deviate to the outside of the gutter due to excessive tension and tension, resulting in stable transfer. Since it is possible,
The operator needs to carry out careful insertion work at an appropriate strand insertion speed, and the upper part of the gutter-shaped flow guideway causes gum up due to the adhesion of the scattering sizing agent, and further cut fiber fluff etc. adheres to this. In some cases, the flow of the strands in the gutter-shaped restricted flow path is obstructed, which makes smooth guide transfer difficult. Also, the strands flowing out with water from the lower end of the gutter-shaped flow guide path oscillate due to the turbulent flow of the discharged water, so if the roll facing interval of the tension mechanism is not sufficiently widened, the strands will deviate from the roll holding range. As a result, the clamping and pulling may not be possible.

[0005]

DISCLOSURE OF THE INVENTION The present invention has solved the above-mentioned problems in the means for guiding the strand by the flowing water flow of the gutter-shaped flow guide passage described in the above publication.
That is, the method of the present invention is a method of guiding a strand of glass fiber at the start of spinning through a guide roller to a strand tensioning mechanism located on the lower side of one side of a lower winding device. The first part of the fixed partition plate for the inter-compartment is made to flow down by the water flow flowing down to provide a downflow transfer path where the lower end of the fixed partition plate falls vertically. The second stage, the second stage, which shifts to one side and is introduced into the roll pressure contact part from the side end surface direction of the pressure contact roller of the strand tensioning mechanism outside the falling water basin and pulled to provide an initial tension transfer path separated from the flowing water flow. Of the strand toward the roll press contact portion in the initial tension transfer path of the above is displaced at a position above the collet to provide a winding preparation tension transfer path orthogonal to the rotation axis of the roll. In which the strand guide way at the start of glass fiber spinning, characterized in that sequentially carried out step mechanically controlled strand transport path and subject matter.

Further, the apparatus of the present invention is an apparatus suitable for carrying out the above-mentioned method, wherein the strand of the glass fiber at the start of spinning is a strand pulling mechanism located below the one side of the winding device via a guide roller. In the device for guiding to, a machine-to-machine section having a surface parallel to the horizontal rotation axis of the collet of the winding device, which is composed of a steeply inclined surface portion from directly below the guide roller toward the winding device and a vertical surface portion therebelow. Fixed partition plate, a water supply nozzle pipe located on the upper end surface of the fixed partition plate, and one side lower side of the vertical surface portion of the fixed partition plate, and the roller pressure tangent line is parallel to the horizontal rotation axis of the collet. And a strand tensioning mechanism that vertically opposes the lower edge of the vertical surface portion, a first yarn guide that can reciprocate in the front-rear direction along the surface of the vertical surface portion of the fixed partition plate, and the surface of the steeply inclined surface portion of the fixed partition plate. Along It is possible to reciprocate left and right below the collet at the winding position of the winding device through the second yarn guide that can reciprocate in the front-rear direction and the space facing the one side lower edge of the vertical surface portion and the roller pressure tangent line. The gist of the present invention is a strand guide device at the start of glass fiber spinning, which is characterized in that a third yarn guide is provided.

Since the method and apparatus of the present invention have the above-mentioned mechanism, a large number of filaments from the bushing are made into strands through the sizing agent applying roller and the sizing roller by the upstairs operator and are engaged with the guide roller at the start of spinning. At the same time as dropping it downward, water supply to the nozzle pipe is started and the strand becomes the first stage of the downflow transfer path, then the rotation drive of the strand tensioning mechanism and the advance of the first yarn guide are started, and the strand is moved to the strand tensioning mechanism. Introduce the tension to make it the second stage of the initial tension transfer path.At this point, the water supply to the nozzle pipe is stopped, and the second yarn guide is advanced and the strand from the position above the collet to the roll pressure contact portion of the strand tensioning mechanism. The part is put into the state of the third stage of the winding preparation tension transfer path orthogonal to the horizontal rotation axis of the roll, By allowed to regress returning the first thread guide to the original standby position at the time, the strands introduced into the strand tensioning mechanism is completed. At this time, the water supply to the nozzle pipe, promptly remove the glass beads flowing from the bushing and flowing down to the fixed partition plate from the bushing generated at the time of strand cutting, scattering of binder, preventing gum up due to adhesion, It may be continuously continued for the purpose of washing away the fluff of the glass fiber from the fixed partition plate.

Then, the strand portion orthogonal to the roll rotation axis from the advanced second yarn guide in the winding preparation tension transfer path of the third stage toward the roll pressure contact portion is the tip of the collet in the winding position. By arranging the third yarn guide and the second yarn guide so that they are in a positional relationship of facing each other on the left and right, the strand portion under tension transfer between the third yarn guide and the second yarn guide rotates at a low speed. Stretch catcher or take-up device at the tip of the take-up collet
The stra provided at the tip of the winding tube inserted on the collet
When the third yarn guide and the strand tension mechanism are cut, the strand is cut at the same time as the third yarn guide is retracted and returned to the original standby position, and the collet is retracted. The yarn is rapidly accelerated to the prescribed high speed rotation, at which point the second yarn guide retreats back to the original standby position, and the traverse device advances to enter the normal winding state.

As the strand tensioning mechanism, a feed roller having a large surface elastic material layer,
A press roller with a concave-convex surface provided with a large number of recessed lines extending in the axial direction on the surface pressed against this is a horizontal rotation shaft, and a common tangent line of the pressure contact is substantially vertical, and a positive contact is made against the lower surface of the feed roller. The driven cutter roller is provided with cutting blades of a fraction extending in the axial direction on its peripheral surface, and the cutting blade end is pressed against the feed roller so as to bite into the feed roller.
The press roller is interlocked and the drawn strand is cut to be discharged downward. The strand tensioning mechanism can set the strand feeding speed to approximately 0 to 200 m / min in view of the tension feeding and cutting action. desirable.

[0010]

The means for guiding the strand to the strand tensioning mechanism at the start of spinning according to the present invention does not involve the operation of pulling out and aligning the filaments from the bushing, the sizing agent applying roller, the sizing roller, and the handing over to the guide roller. The strand tension mechanism, the first yarn guide, the second yarn guide, and the third yarn guide are controlled at a preset timing, except that the strand water is dropped and the operation of starting water supply to the nozzle pipe is performed by an upstairs operator. Can be done automatically and mechanically. Then, the strand in the stable drop transfer route by the first stage by the falling water flow of the fixed partition plate separates the strand from the falling water flow by the first yarn guide, and presses the press roller and the pressure roller.
Introduce it from the side end face between the rollers and pull it. Also,
Side end face between released press roller and feed roller
It is also possible to apply pressure from the direction and then pull it by pressing.

[0011]

Embodiments of the method of the present invention will be described below with reference to the drawings showing the embodiments of the device of the present invention. FIG. 1 is a front view showing a main part of the apparatus of the embodiment, and FIG. 2 is a side view thereof. In the following description, the right and left of the apparatus are according to FIG. 1, the front and rear of the apparatus are the right side of FIG. And In the figure, 1 is a bushing for receiving molten glass in which a plurality of spinning nozzles are arranged on the lower surface, 2 is a spun filament, 3 is a sizing agent-applying roller with which a large number of filaments 22 come into contact, and 4 is a sizing agent-treated roller. Bundling rollers 5 for focusing the filaments 2 of 1 into one strand S are guide rollers for the strand S, and these are provided on the upper floor. F is an upper floor, and H is an opening.

6 is a winding device installed on the lower floor E diagonally below the bushing 1, T is a rotary mount supported by a horizontal rotary shaft in front of the winding device 6, and 7 and 8 are rotary mounts. Two collets supported by a horizontal rotation shaft on the front surface of T. By rotating the rotating gantry T half-way, the collet of the strand winding device and the full bobbin are removed and the position of the collet 8 at the insertion position of the empty bobbin is changed. It is what is done. 1
The front end of the collet 7 is provided with a strand catching tool on its peripheral surface.

Reference numeral P denotes a strand tensioning mechanism located diagonally below and to the right of the collet 7 at the winding position, and has a feed roller 14, a press roller 15, and a cutter roller 16 each having a rotation axis parallel to the horizontal rotation axis of the collet 7. Consisting of the feed roller 14 and the press roller 15
The pressure tangent line N of the feed roller 14 is pressed so that the common tangent line of both rollers at that position is vertical, and the cutter roller 16 that presses against the lower surface of the feed roller 14 is driven by the motor M, so that the feed roller 14 and the press roller 15
Are rotated together.

When a plurality of machine bases of the glass fiber spinning take-up device including the bushing 1 and the take-up device 6 are arranged in an array, the machine bases 20 are separated from each other and the spinning spaces interfere with each other. In order to block the above, a fixed partition plate composed of a steeply inclined surface portion 20 provided between the opening H edge of the upper floor F and the lower floor E on the right side of the winding device 6 and a vertical surface portion 21 continuous at the lower end thereof. The fixed partition plate surface is a plane parallel to the horizontal rotation axis of the collet 7.

The vertical surface portion 22 of the fixed partition plate 20 is located at an intermediate height position on the front edge side thereof, and has a lower end edge 23 which vertically opposes the roller pressure tangent line N of the feed roller 14 of the strand tensioning mechanism P and the press roller 15. Has become.
11 is reciprocated by a pneumatic cylinder 11 ′ provided on the rear edge side along the right side rear surface on the vertical surface portion 22 slightly above the lower end edge 23, and a slit formed in the width direction of the vertical surface portion 22 of the plate It is the first yarn guide protruding to the left.

Numeral 12 is located above the vertical surface portion 22 and is formed by a second horizontal rod which is reciprocated along the surface of the steeply inclined surface portion 21 by a pneumatic cylinder 12 'provided on the upper part of the winder 6. A yarn guide 13 crosses the space between the lower end edge 23 on the front edge side of the vertical surface portion 22 and the pressure contact line N of the roller of the strand tensioning mechanism P, and the collet 7 at the winding position.
Is a third yarn guide which is reciprocated by a pneumatic cylinder 13 'so as to be able to advance to the lower left of the. First thread guide 1
1, the second thread guide 12 and the third thread guide 13, respectively
In addition to linear reciprocating motion, any motion such as circular motion, rotary motion, etc.
Can be performed, and the operation position is also arbitrary. Reference numeral 30 denotes a water supply nozzle pipe provided on the uppermost surface side of the fixed partition plate 20, and the fixed partition plate 2 from the nozzle pipe 30.
The flow width of the water flowing down to the 0 plane is not less than the width of a large number of filaments that flow out from the upper bushing 1 and are in a free fall state, and the lower end edge 23 of the vertical surface portion 22 on the front edge side is intermediate.
It should be within the range where no downflow of water occurs.

According to the strand guide device constructed as described above, the strands S which have been bundled by the sizing agent applied by the upstairs operator at the start of spinning are guided by the guide roller 5 and steeply inclined surface portion 21 of the fixed partition plate 20. Through the lower end of the vertical surface portion 22 and the flowing-down water flow along with the underground bit 19
At the same time that the first-stage downflow transfer path indicated by the dotted line (a) is formed, the strand part falling along the vertical surface part 22 is separated from the downflow water flow region by the advancing operation of the first yarn guide 11, and the fixed partition plate. While being in contact with the side end surfaces of the feed roller 14 and the press roller 15 that are rotating under pressure contact with P, they are smoothly introduced into the roller pressure contact section by the rotation of the roller and are subjected to tension at a speed much higher than the flow-down transfer speed. Meanwhile, the strand end is cut and discharged by the cutter roller 16 to form a second stage initial tension transfer path indicated by a chain line B. The strand
If the strand is thin and the strength of the strand is small,
The roller 16 can be omitted.

Next, by advancing the second yarn guide 12, the strand portion extending to the guide portion and the fixed partition plate P is, as shown by the one-dot chain line C in FIG. 2, the tip portion 17 of the collet 7 at the winding position. A third stage winding preparation tension transfer path orthogonal to the rotation peripheral surface of is provided. Thus, the third yarn guide is advanced, and the strand portion extending between the third yarn guide and the advanced second yarn guide is attached to the circumferential surface of the tip end portion 17 of the collet 7 at the winding position as shown by a two-dot chain line d. By making contact with each other in the direction, the winding transfer path is formed, the winding of the strand is started smoothly and surely, and when the winding rotation speed reaches a substantially regular rotation speed, the traverse device 9 is advanced to the operating position. Regular strand winding is performed by operating the second yarn guide and retracting it.

In this embodiment, the description has been made assuming that the reciprocating operation of each yarn guide is performed by the pneumatic cylinder.
Other known mechanical or electrical reciprocating means may be substituted. Further, the strand pulling mechanism P may be provided with an appropriate water washing means to remove the sizing agent and other foreign matters attached during the operation. In addition, although the present embodiment has described the one-bushing and one-strand spinning winding, when one-bushing and two-strand spinning winding are performed to form two cakes on the same collet, the appropriate apparatus conditions are changed. Therefore, the present invention can be applied.

As described above, according to the present invention, the glass fiber strands at the start of spinning can be stably and reliably guided to the fixed partition plate on the lower side of one side of the winding device. The difficulty in operation of the water flow guide means can be solved, and the fixed partition plate can also have a simple structure. Therefore, the operation and maintenance are easy, the burden on the operator can be reduced, and the automation of the glass fiber take-up winding device can be performed. It is extremely effective in achieving

[Brief description of drawings]

FIG. 1 is a front view showing a main part in an embodiment of the device of the present invention.

FIG. 2 is a side view of a main part of the apparatus shown in FIG.

[Explanation of symbols]

 1 Bushing 2 Filament 4 Converging Roller 5 Winding Roller 6 Winding Device 7 Collet in Winding Position 9 Traversing Device 11 First Thread Guide 12 Second Thread Guide 13 Third Thread Guide 14 Feed Roller 15 Press Roller 16 Cutter Roller 17 Collet tip part 20 Fixed partition plate 21 Steep slope part 22 Vertical surface part P Fixed partition plate N Roller pressure tangent line A Downward transfer route b Initial tension transfer route c Initial tension transfer route D Winding transfer route d Winding transfer route

Claims (2)

[Claims] 1. A method of guiding a strand of glass fiber at the start of spinning to a strand tensioning mechanism located below one side of a lower winding device via a guide roller, wherein the strand is steeply inclined between machine bases. Of the fixed partition plate for use in the first step to provide a down-flowing transfer path for vertically falling from the lower end of the fixed partition plate by the water flow flowing down, the strand portion in the vertical drop path of the first step to one side of the fixed partition plate The second stage, the initial stage of the second stage, in which the initial tension transfer path separated from the flowing water flow is introduced by pulling into the roll pressure contact part from the side end surface direction of the pressure contact roller of the strand tension mechanism outside the flowing water flow region. A strand portion facing the roll press contact portion in the tension transfer path is displaced at a position above the collet to provide a winding preparation tension transfer path orthogonal to the rotation axis of the roll. Sequentially performing floor, strand guide method at the start of glass fiber spinning, characterized by mechanically controlling the strand transfer path. 2. A device for guiding a strand of glass fiber at the start of spinning through a guide roller (5) to a strand tensioning mechanism (P) located below one side of a lower winding device (6). Machine having a surface parallel to the horizontal axis of rotation of the collet of the winder, which comprises a steeply inclined surface portion (21) directed directly below the roller (5) toward the winder device (6) below and a vertical surface portion (22) therebelow. Fixed partition plate (2
0), a nozzle pipe (30) for water supply located on the upper end surface of the fixed partition plate (20), and one side of the vertical surface portion (22) of the fixed partition plate (20) below the roller pressure contact. A strand tension mechanism (P) in which a line (N) is parallel to the horizontal axis of rotation of the collet and vertically faces the lower edge of the vertical surface portion (22), and a vertical surface portion (2) of the fixed partition plate (20).
2) A first yarn guide (1
1), a second yarn guide (12) reciprocable in the front-rear direction along the surface of the steeply inclined surface portion (21) of the fixed partition plate (20), and one side lower edge of the vertical surface portion (22) and a roller pressure tangent line. A third yarn guide (13) reciprocating in the left-right direction is provided below the collet (7) at the winding position of the winding device (6) through a space facing the (N). Strand guide device for starting glass fiber spinning.