JPH0262632B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Technical Field] The present invention relates to a device for twisting a large number of linear bodies together or winding them around a core material. The linear body mentioned here includes wire rods such as electric wires and metal wires, as well as strips (tape), strings, tubes, and the like.

In the following description, the twisting device will be mainly explained, but the same applies to the winding device.

[Prior art and its problems]

Conventionally, commonly used twisting devices attach a bobbin wrapped with wires and perform twisting, and when the bobbin becomes empty, the empty bobbin is replaced with a fully wound bobbin, and further twisting is performed. It's becoming like that. For this reason, it is necessary to stop the operation of the twisting device while replacing the bobbin, and there is a limit to improving the operating rate of the device.

As a twisting device that does not require bobbin replacement, a device called a SKET type is conventionally known. This is a system in which a large number of pairs of bobbins are provided in the longitudinal direction of the rotating shaft, coaxially with the hollow rotating shaft, and rotatable relative to the hollow rotating shaft, and between the two bobbins of each set. is equipped with a flyer that unwinds the wire from each bobbin.The flyer pulls out the wire from one of the bobbins in each set, and guides the drawn wire through the rotating shaft to one end. Thereupon, the twisting is performed, and the other bobbin, from which the linear body is not drawn, is rotated by an external drive to wind up the linear body.

In other words, this twisting device consists of two bobbins, and while the wire is pulled out from one bobbin and twisted, the wire is wound into the other bobbin, and one bobbin is twisted. When the bobbin is empty, the wire is pulled out from the other bobbin that has been wound and twisted, and this process is repeated to perform twisting almost continuously.

However, this twisting device has the following problems. That is, since a flyer is provided for each pair of bobbins, the structure becomes complicated and the price becomes high. Furthermore, since the length of the rotating shaft becomes long, the so-called wire threading operation, in which the linear body pulled out from the bobbin is pulled out to one end through the hollow part of the rotating shaft, is troublesome and the workability is poor.

[Means for solving problems and their effects]

The present invention provides a device for twisting and winding linear bodies that solves the above-mentioned problems, and is configured such that one half of the wire has a larger diameter than the other half. , a central rotating shaft in which a large diameter portion on one end side is larger in diameter than a small diameter portion on the other end side, and a large number of linear body guide holes are provided in the axial direction; A first hollow shaft and a second hollow shaft are respectively attached coaxially to the small diameter end portion and rotatably relative to the central rotating shaft, and coaxially to and relative to the first hollow shaft. a first bobbin group consisting of a plurality of bobbins rotatably and fixedly attached to the second hollow shaft; and a second bobbin group consisting of a plurality of bobbins coaxially and rotatably attached to the second hollow shaft. a first flyer rotatably supported at both ends by the first hollow shaft; and a second flyer rotatably supported at both ends by the second hollow shaft; a first internal clutch that switches the flyer between rotating and non-rotating with the first hollow shaft; and a second internal clutch that switches the second flyer between rotating and non-rotating with the second hollow shaft. an internal clutch for switching the first hollow shaft between rotation and non-rotation with the central rotation axis; and a first external clutch for switching between rotation and non-rotation of the first hollow shaft with the central rotation axis; a second external clutch that switches between the first flyer and the second flyer, and a linear object supply device that supplies the linear objects to the first bobbin group and the second bobbin group from the outside; The flyer is configured so that when one clutch is rotating, the other is stopped by switching between an internal clutch and an external clutch, and on the side where the flyer is rotating, the linear body pulled out from the bobbin group is connected to the first hollow shaft. guided between the second hollow shafts, and further pulled out to one end of the central rotation shaft through the linear body guide hole of the central rotation shaft, so that twisting or winding is performed; Also, on the side where the fryer is stopped,
The present invention is characterized in that the bobbin group is rotated, and the linear body is supplied from the linear body supply device to the bobbin group so that the linear body is wound up.

In other words, in the present invention, a large number of bobbins are divided into two groups, and while one bobbin group is being twisted, a linear body is wound into the other bobbin group, thereby creating two flyers. In addition, the overall length of the device is shortened by narrowing the bobbin spacing. In addition, by making one half of the central rotating shaft a large diameter part and providing a guide hole there for the linear object to pass through, there is no need to pass the linear object inside the central rotating shaft, making wire threading work easier. It's like this. Further, the bobbin group can be rotated together with the hollow shaft while the flyer is stopped by the internal clutch and the external clutch, so that the wire material can be easily wound into the bobbin group.

〔Example〕

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

1 and 2 show one embodiment of the invention. In the figure, reference numeral 11 denotes a central rotation shaft, and one half of the central rotation shaft 11 (on the right side of the drawing) has a larger diameter than the other half, with a large diameter portion 11a on one end and a small diameter portion 11b on the other end. A large number of linear body guide holes 13 are formed in the axial direction in the large diameter portion (see FIG. 2). This central rotating shaft 11 is hollow,
A core wire 17 can be passed through the hollow portion 15. Further, the central rotating shaft 11 is rotatably supported by a fixed frame 19 via bearings 18 at both ends thereof, and is rotatably driven from the outside via a wheel 21 attached to the other end. .

A first hollow shaft 23a is coaxially disposed on the outer periphery of the large diameter portion 11a at one end of the central rotating shaft 11, and is rotatably supported via a bearing. Similarly, a second hollow shaft 23b is coaxially arranged on the outer periphery of the small diameter portion 11b on the other end side of the central rotating shaft 11, and is rotatably supported via a bearing.

Further, a large number of bobbins 25a are arranged coaxially around the outer periphery of the first hollow shaft 23a, and each bobbin 25a is rotatably supported with respect to the first hollow shaft 23a via a bearing. These bobbins 25a constitute a first bobbin group 27a. Similarly, a large number of bobbins 25b are arranged coaxially around the outer periphery of the second hollow shaft 23b, and each bobbin 25b is rotatably supported with respect to the second hollow shaft 23b via a bearing. These bobbins 25b are the second bobbin group 2
7b.

An electromagnetic brake 31 for braking is provided on one side of each bobbin 25a, 25b. The electromagnetic brake 31 of the first bobbin group 27a is supplied with power from one end of the fixed frame 19 via a brush 33a and a slip ring 35a, and the electromagnetic brake 31 of the second bobbin group 27b is supplied with electricity from one end of the fixed frame 19. Power is supplied from the end side via the brush 33b and the slip ring 35b.

Furthermore, a first flyer 37a that straddles the first bobbin group 27a is rotatably attached to both ends of the first hollow shaft 23a via a bearing, and this first flyer 37a is connected to a first internal clutch. 36a
Therefore, it is possible to have a state in which it rotates together with the first hollow shaft 23a and a state in which it does not rotate even when the first hollow shaft 23a rotates. Similarly, a second bobbin group 27 is provided at both ends of the second hollow shaft 23b.
A second flyer 37b that straddles the shaft is rotatably attached via a bearing, and this second flyer 37b is rotated integrally with the second hollow shaft 23b by a second internal clutch 36b. Even if the second hollow shaft 23b rotates, it can be kept in a non-rotating state. The first and second internal clutches 36a, 36B are actuated by electromagnetic force.

The first flyer 37a has a guide roll 3 that guides the linear body 38 pulled out from the bobbin 25a.
9a is attached. Second flyer 37
A similar guide roll 39b is also attached to b.

Further, a first external clutch 41a is provided between one end of the first hollow shaft 23a and the fixed frame 19. This clutch 41a is connected to the central rotating shaft 1
The clutch plate 43a is rotatable relative to the center shaft 11 and slidable in the axial direction, and a flange 45a fixed to the central rotating shaft 11. The clutch plate 43a is always spline connected to the first hollow shaft 23a, and is integral with the first hollow shaft 23a regarding rotation and stopping. When the clutch plate 43a is moved to the left as shown in the figure, it is disengaged from the fixed frame 19 and engaged with the flange 45a, so that the central rotation shaft 1
1 rotation is transmitted to the first hollow shaft 23a. On the other hand, when the clutch plate 43a is moved to the right, it is disengaged from the flange 45a and becomes engaged with the fixed frame 19, so that the first hollow shaft 23
a becomes stationary.

A similar second external clutch 41b is also connected between the other end of the second hollow shaft 23b and the fixed frame 19.
is provided. The illustrated state is the clutch plate 43.
b is shifted to the left, the flange 45b is no longer engaged with the fixed frame 19, and the flange 45b is no longer engaged with the fixed frame 19. In other words, the second hollow shaft 23b
is at rest.

Next, 47 is a linear object supply device, which is composed of a plurality of bobbins 49 that supply a plurality of linear objects 38, a traverser 51 that reciprocates the plurality of linear objects 38 at the same time, and the like. ing. The linear body supply device 47 is also movable toward the first bobbin group 27a. Of course, the same linear body supply device may also be provided for the first bobbin group 27.

Next, the operation of this device will be explained. In the illustrated state, the first external clutch 41a is engaged with the central rotating shaft 11.
and the first hollow shaft 23a are directly connected, and the first hollow shaft 23a and the first flyer 37a are directly connected by the first internal clutch 36a, so that the first flyer 37a is connected to the periphery of the first bobbin group 27a. It is in a state of rotation. Therefore, the linear bodies 38 are pulled out from each bobbin 25a by the rotation of the flyer 37a (the pulling tension is adjusted by the electromagnetic brake 31), and the drawn out linear bodies 38 are moved by the guide rolls 39a to the first hollow shaft 23a. and the second hollow shaft 23b, and further the central rotation shaft 1
Linear body guide hole 1 formed in large diameter portion 11a of 1
3 to one end of the central rotating shaft 11,
After being divided at equal intervals by the guide roll 53,
It is twisted onto the core wire 17 using the twisting cap 55.

While the above-mentioned twisting is being performed, the linear body is wound onto the bobbin 25b at the other end. That is, first, the second hollow shaft 23b is directly connected to the fixed frame 19 by the second external clutch 41b to bring it to a stationary state, and then the second internal clutch 36b is disengaged to allow the flyer 37b to wind up the linear body. Fix it in a position where it will not get in the way. Next, the tip of the linear body 38 pulled out from the external bobbin 49 is locked to the bobbin 25b inside the machine. Then, when the second external clutch 41b is switched, the second hollow shaft 2
3b rotates together with the central rotating shaft 11, this causes the bobbin 25b to rotate and the linear body 38 to be wound up. Note that in order to rotate the bobbin 25b together with the hollow shaft 23b, the braking force of the electromagnetic brake 31 may be increased, or a stopper (not shown) that stops the relative rotation between the bobbin 25b and the hollow shaft 23b may be applied. You can do it like this. When each bobbin 25b is fully wound, the second external clutch 41b is switched again to close the hollow shaft 23.
b is stopped from rotating, and the second internal clutch 36b is brought into engagement to prepare for the next twisting.

Immediately before the bobbin 25a at one end becomes empty, the rotation of the first hollow shaft 23a is stopped, and the linear body 38 pulled out from the bobbin 25b at the other end is connected to the rear end of each linear body 38. Thereafter, the second external clutch 41b is further switched and the second flyer 37b is rotated to resume twisting. While this twisting is being carried out, the bobbin group 25 is
The linear body is wound around a in the same manner as described above. Twisting is performed continuously by repeating the above operations.

In the above embodiment, a case has been described in which one linear body is wound on each bobbin, but two or more linear bodies may be wound in parallel on each bobbin group. In this way, it is possible to twist twice or three times as many linear bodies as the number of bobbins.

〔Effect of the invention〕

As explained above, according to the present invention, a large number of bobbins are divided into two groups, and while one bobbin group is being twisted, a linear body is wound into the other bobbin group. Therefore, only two flyers are required, the gap between the bobbins is narrowed, the overall length of the device can be shortened, and the structure is also simplified. In addition, one half of one end of the central rotating shaft is made into a large diameter part, and a guide hole is provided there for passing the linear object, so there is no need to pass the linear object inside the central rotating shaft, making wire threading work extremely easy. I can do it. Furthermore, by providing an internal clutch and an external clutch, the bobbin group can be rotated together with the hollow shaft while the flyer is stopped, making it possible to wind the wires onto multiple bobbins at once. It is possible to carry out complex work extremely efficiently.

[Brief explanation of drawings]

FIG. 1 is a longitudinal cross-sectional view of a twisting device according to an embodiment of the present invention, and FIG. 2 is a cross-sectional view of the central rotating shaft taken along the line - in FIG. 1. 11~center rotation shaft, 11a~one end side large diameter part, 1
1b - other end side small diameter part, 13 - linear body guide hole, 1
5~hollow part, 17~core wire, 19~fixed frame,
23a - first hollow shaft, 23b - second hollow shaft,
25a, 25b - bobbin, 27a - first bobbin group, 27b - second bobbin group, 36a - first internal clutch, 36b - second internal clutch, 37
a~first flyer, 37b~second flyer,
38~linear body, 41a~first external clutch, 4
1b - second external clutch, 47 - linear body supply device.

Claims (1)

[Claims] 1. Half of one end has a larger diameter than the other half, and a large number of linear bodies are arranged in the axial direction in the large diameter part of the one end and the small diameter part of the other end. A central rotating shaft in which a guide hole is provided, and a first rotating shaft that is coaxially attached to a large diameter portion on one end side and a small diameter portion on the other end of the central rotating shaft and rotatable with respect to the central rotating shaft. a hollow shaft, a second hollow shaft, a first bobbin group consisting of a large number of bobbins coaxially attached to the first hollow shaft and rotatably fixed thereto, and a second hollow shaft. a second bobbin group consisting of a large number of bobbins coaxially and rotatably and fixedly attached to the bobbin; a first flyer rotatably supported at both ends by the first hollow shaft; a second flyer rotatably supported at both ends by the second hollow shaft; a first internal clutch that switches between a state in which the first flyer rotates with the first hollow shaft and a state in which it does not rotate; a second internal clutch that switches between a state in which the second flyer rotates with the second hollow shaft and a state in which it does not rotate; and a second internal clutch that switches between a state in which the first hollow shaft rotates with the central rotating shaft and a state in which it does not rotate. a first external clutch, and a second external clutch that switches between a state in which the second hollow shaft rotates with the center rotating shaft and a state in which it does not rotate; and a linear object supplying device for feeding the linear object, the first flyer and the second flyer are configured to stop one of them when the other is rotating by switching between an internal clutch and an external clutch. On the rotating side, the linear body pulled out from the bobbin group is guided between the first hollow shaft and the second hollow shaft, and further passes through the linear body guide hole of the central rotating shaft. It is pulled out at one end of the central rotating shaft for twisting or winding, and on the side where the flyer is stopped,
Twisting and winding of the linear bodies is performed by rotating the bobbin group and supplying the linear bodies from the linear body supply device to the bobbin group.
Wrapping device.