JPH0126989B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a yarn winding device, and more particularly to a turret type yarn winding device that alternately winds continuously supplied yarn using two spindles.

Fig. 1 shows a general type of the above-mentioned turret type yarn winding device, in which two spindles 2 and 3 are rotatably supported on a rotatable disc-shaped turret 1, and each spindle A bobbin B having a slit 4 formed at one end is inserted into each of the bobbins 2 and 3. The turret 1 rotates 180 degrees each time the yarn is fully wound on the bobbin at the winding position a, with one of the spindles 2 and 3 set at the winding position a and the other at the standby position b. The yarn Y is wound around the empty bobbin B newly positioned at position a, and thus the yarn Y is continuously supplied by the two spindles 2 and 3.
Wind it up alternately. A traverse device 5 for winding the yarn Y around the bobbin B while traversing the yarn Y is provided upstream of the bobbin B at the winding position a in the running direction of the yarn Y, and further upstream of the traverse device 5 is provided the above-mentioned device. A yarn shifting guide 7 is provided for moving the yarn Y out of the traverse range 6 of the traverse device 5 when the turret 1 rotates. The thread shifting guide 7 is for transferring the thread Y from the fully wound package P to the empty bobbin B, and the end point of the movement is the position where the thread Y can engage with the slit 4. be done. In transferring the yarn Y as described above, it is necessary that the yarn Y reliably engages with the slit 4 and that the yarn Y does not come off the shoulder of the fully wound package P. For this purpose, yarn Y
must run parallel to the slit 4 and within the winding width range of the package P. Therefore, it is preferable that its running path has a bending point 8 in the middle as shown in FIG.

Therefore, in the past, yarn bending guides of various shapes were provided to protrude from the turret 1, and the yarn bending guide 7
In many cases, the yarn Y engages with the yarn bending guide to form a bending point 8 during movement.
However, the above thread bending guide is turret 1 in the case of large and low
etc., and its position remained unchanged, so that when the warp of the package P on each spindle 2, 3 increases, the thread bending guide becomes an obstacle, and therefore the diameter of the package P does not interfere with the thread bending guide. The problem was that it was limited to a small number.

The present invention was provided for the purpose of solving the above problems, and embodiments thereof will be described below based on the drawings.

FIG. 2 schematically shows a front view of a yarn winding device according to the present invention, in which two spindles 11 and 12 are rotatably supported on a disk-shaped turret 10. A cylindrical bobbin B is inserted into each spindle 11, 12, and one is placed at a winding position a and the other is placed at a standby position b. The turret 10 is at the winding position a
When the yarn Y is fully wound on the bobbin B, it rotates by 180 degrees in the direction of the arrow 13, and the spindle 11,
12, the yarn Y is transferred to the empty bobbin B newly located at the winding position a, and winding is continued. FIG. 2 shows the state of the yarn Y at the time of transfer, and the bobbin B in the standby position b is shown in FIG.
A fully wound package P is wound around. A downwardly biased slide box 14 is provided above the turret 10 so as to be able to rise and fall freely, and the slide box 14 supports a touch roller 15, a traverse device 16, and a first thread guide 17, respectively. 15 is always in pressure contact with the yarn layer of the bobbin B at the winding position a, and the bobbin B is rotated counterclockwise by the touch roller 15 or another device not shown. At the center of rotation of the turret 10, there is provided a rotating body 18 which is biased to rotate counterclockwise in FIG. It is engaged with yarn Y. Furthermore, stoppers 21 are provided at four locations on the peripheral edge of the rotating body 18, and the rotation of the rotating body 18 is suppressed by abutting the stoppers 21 with pins 22 protruding from the turret 10 side.
An inverted Y-shaped package pushing member 23 is slidably supported by two guide rods 24 below the turret 10, and the upper end of the pushing member 23 engages with a part of the bobbin b at the standby position b. It extends to the position where it can be obtained.

The details of the structure of the main parts of the yarn winding device will be explained with reference to FIG. In the figure, the orientations of the first and second yarn shifting guides 17 and 19, the yarn bending guide 20, the rotating body 18, etc. are slightly different from the actual orientations for convenience of illustration.

Two bobbins B are inserted into each spindle 11, 12, and each bobbin B has a slit 25 for engaging with one end of the main yarn Y when transferring the yarn Y as described above. It is formed. Two first thread guides 17 are provided on a plate 27 that slides along a guide rod 26.
is fixed to a piston rod 29 of a cylinder 28, and the operation of the cylinder 28 moves the first thread guide 17 to the position shown by the two-dot chain line. The rotating body 18 and the shaft body 31 described above are included in the turret 10, and the turret 10 and the shaft body 31 are rotated together by a drive device (not shown). 33, and is urged in the direction by a torsion spring 34 provided between the rotating body 18 and the shaft body 31. A cylinder 35 is provided at one end of the rotating body 18.
is fixed, and the needle-shaped yarn bending guides 20 are provided on the outer wall of the cylinder 35, and two of the second yarn shifting guides 19 are provided on the piston rod 36 via a connecting pin 37 and a plate 38. . Air is supplied to the cylinder 35 through an air passage 39 formed in the rotary body 18 and the shaft body 31, so that the second thread guide 19
moves to the position indicated by the two-dot chain line and engages with the yarn Y, and at this time, the yarn Y simultaneously engages with the yarn bending guide 20 and is bent as shown. A mechanism for actuating pin 22 is provided at one location within turret 10 and includes a lever 41 connected to pin 22 and a solenoid device 42 for actuating lever 41. The pin 22 is urged to protrude from the inside of the turret 10 by a spring 43, and the lever 41 is pivotally supported by the turret 10 and connected to the pin 22 via a rod 44, and the solenoid device 42 pushes the lever 41. As a result, the pin 22 sinks into the turret 10 and is disengaged from the stopper 21. The package pushing member 23 is attached to the piston rod 4 of the cylinder 45.
6, and by the operation of the cylinder 45, the pushing member 23 moves to the two-dot chain line position while pressing the end of the bobbin B at the standby position b with its upper end, and removes the bobbin B from the spindle 12. be done. A limit switch 47 is disposed at the end position of the extrusion member 23, and the switch 47 detects the extrusion member 23, confirms that the package P has been removed from the spindle 12, and sends a signal to the solenoid device 42. send.

The operation of the yarn winding device described above will be explained with reference to FIGS. 2 to 4.

FIG. 4 shows a normal winding state. At this time, the rotating member 18 is in the position shown in the figure, and the second thread shifting guide 19, thread bending guide 20, etc. do not interfere with the package P at the winding position a. in position. The pin 22 and the stopper 21 are engaged with each other to prevent the rotating body 18 from rotating in the direction of the arrow 48, but the four stoppers 21 are provided as described above, and the pin 22 is It is assumed that the first stopper 21a is engaged with the first stopper 21a.

The yarn Y is continuously supplied from above, and when a device (not shown) detects that the package P is fully wound, the turret 10 rotates in the direction of arrow 13 to the state shown in FIG. becomes. At this time, the rotating body 18 also rotates and stops together with the turret 10 due to the engagement between the pin 22 and the first stopper 21a, but in this process, the torsion spring 34 is strongly twisted and is attached in the direction of the arrow 48. strengthen one's power. The cylinders 28 and 35 are then actuated simultaneously, and both the first and second thread shifting guides 17,
19 moves to the position indicated by the two-dot chain line in FIG. 1st
During this movement, the yarn shifting guide 17 came into contact with the yarn Y that had been traversed in the range indicated by the arrow 51 by the traverse guide 49, and the yarn Y ran onto the slope 52 and came off the traverse guide 49. Thereafter, it is engaged with the hook portion 53 and is moved to the position indicated by the two-dot chain line on the left side of FIG. The second thread shifting guide 19 carries the thread Y in substantially the same manner, and the thread Y is positioned parallel to the slit 25 of the bobbin B between the two thread shifting guides 17 and 19. Further, the yarn Y is bent by the yarn bending guide 20, and is kept within the winding width of the package P. Note that at this time, the yarn Y is in a non-contact state with the empty bobbin B located at the winding position a.

When a limit switch (not shown) detects that the movement of both thread shifting guides 17, 19 is completed, the solenoid device 42 is actuated to press the lever 41, disengage the pin 22 from the first stopper 21a, and rotate. The moving body 18 is a torsion spring 24
It turns in the direction of arrow 54 due to the force of. Immediately thereafter, the solenoid device 42 is demagnetized, and the pin 22 protrudes again and engages with the second stopper 21b.
The rotating body 18 stops in the state shown in FIG. At this time, the yarn Y is swung while being engaged with the second yarn shifting guide 19, and a part of it is forcibly deeply engaged in the slit 25, and the yarn Y is attached to the empty bobbin B.
The bobbin B is naturally cut between the bobbin B and the fully wound package P, and initial winding is performed on the empty bobbin B. Rotating body 18
Immediately after the above-mentioned rotation is made and the yarn Y is transferred, both cylinders 28 and 35 become inactive, and both yarn shifting guides 17 and 19 return to their original positions as shown by solid lines in FIG. , the yarn Y is picked up by the traverse guide 49 and traversed by its tension, and regular winding is started.

Thereafter, the cylinder 45 is operated manually or automatically at an appropriate time, and the package pushing member 23 moves to remove the bobbin B having the fully wound package P from the spindle 12 at the standby position b.
The movement of the extrusion member 23 is controlled by the limit switch 4.
7, the solenoid device 42 is energized again to release the engagement between the pin 22 and the second stopper 21b, and the force of the torsion spring 24 moves the rotating body 18 further from the state shown in FIG. 5
Rotate in 4 directions. Immediately thereafter, the solenoid device 42 is demagnetized, the pin 22 protrudes and engages with the third stopper 21C, and the rotating body 18 is stopped at the position shown in FIG. After that, the above-described operation sequence is repeated, and at this time, the pin 22 engages in the order of the third stopper 21C, the fourth, first, second, and third stoppers 21b, 21a, 21c, and 21c. .

In the yarn winding device described above, the second yarn shifting guide 19 is necessary for guiding the yarn Y to a predetermined path.
And the yarn bending guide 20 has a large diameter package P.
When it is at the winding position a, it is on the standby position b side, and when it is on the standby position b side, it is on the winding position a side, and maintains a position that does not interfere with the package P. Therefore, each stopper 21a, 21
b, 21c, and 21d must be placed at appropriate positions, but the diameter of the package P can be set large enough to extend beyond the center of rotation of the turret 10. Further, as shown in FIG. 4, when the yarn Y is moved by both yarn shifting guides 17 and 19 in transferring the yarn Y from the fully wound package P to the empty bobbin B, the yarn Y is not in contact with the empty bobbin B, so the yarn Y is not accidentally cut due to this contact. Furthermore, the yarn Y is moved from the second yarn guide 1 from FIG. 4 to the same figure.
Since the yarn Y is forcibly engaged with the slit 25 of the empty bobbin B by the rotation of the yarn Y, the transfer of the yarn Y is performed quickly and reliably. Furthermore, since the second thread shifting guide 19 is movably provided between the first thread shifting guide 17 and the thread bending guide 20,
The requirement to keep the yarn Y parallel to the slit 25 and within the winding width of the package P can be certainly satisfied.

As explained above, according to the present invention, the yarn bending guide is not fixed but movable, so there is no interference with the package when the diameter of the package increases or the turret rotates, and the diameter of the fully wound package can be adjusted. It can be set sufficiently large. In addition, since the thread bending guide must be installed near the shoulder of the full package cage, if it is a fixed type, two sets of thread bending guides are necessarily required (in other words, similar guides are required for each spindle in duplicate). In the case of the movable type of the present invention, since it can act commonly on each spindle, it has the advantage that only one set of thread bending guides is required. Since it is provided at an intermediate position between the book spindles, it has the advantage that the entire winding device can be designed more compactly than when it is provided in other parts of the device other than the turret (for example, a slide box, etc.).

[Brief explanation of drawings]

FIG. 1 is a front view of a conventional general yarn winding device, and FIGS. 2 to 4 are views each showing a yarn winding device according to the present invention. FIG. 2 is a schematic front view,
FIG. 3 is a partially longitudinal side view, and FIG. 4 is a front view for explaining the operation. 10... Turret, 11, 12... Spindle, 16... Traverse device, 17... First thread shifting guide, 18... Rotating body, 20... Thread bending guide, 35... Cylinder, 51... Traverse range , a... Winding position, b... Standby position, P... Package cage, Y... Yarn.

Claims (1)

[Claims] 1 A traverse device that traverses the yarn within a predetermined range, two spindles that wind the yarn traversed by the device as a package, one of the two spindles at a winding position, and the other at a standby position. In the yarn winding device, the yarn winding device has a turret that rotatably supports each spindle and mutually switches the position of each spindle, and a yarn shifting guide that moves the yarn out of the range of the traverse when changing the position of the spindle. , a yarn bending guide that bends the yarn supplied via the yarn shifting guide and holds the yarn within the range of the winding width of the package at the standby position, and the yarn bending guide has the above-mentioned It is installed on a single cylinder protruding from one end of a rotating body that is rotatable around the same axis as the turret and separate from the turret, and is located inside the turning radius when the two spindles change their positions. A yarn winding device characterized in that it can be rotated independently of the rotation of the turret.