JPS6052986B2 - Method and device for winding striatum - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method and apparatus for winding a filament.

Conventionally, when winding a filament such as an electric wire onto a bobbin, as shown in FIG. Board 8
The winding bobbin 2 is rotated to wind the filament w over the collar plate 21 onto the body.
As an alternative method, although not shown, a method is widely practiced in which the end of the filament is inserted into a hole in the collar plate and then the winding bobbin is rotated to wind the filament.

In such conventional methods, the ends of the filament are scratched whether it is clamped onto the collar plate or inserted into the collar plate, and the filament begins to be regularly wound onto the body of the winding bobbin from the edge. When the winding bobbin is used as a semi-finished product, for example, in a wire twisting machine, the portion extending over a considerable length is disposed of as waste, resulting in a large amount of waste. This invention was made to eliminate the nine colors of the conventional method, and one embodiment thereof will be described with reference to the drawings.

First, the principle of the method of the present invention will be explained with reference to FIG. A winding bobbin 4 is provided around the filament w to be wound so as to be rotatable about this as a rotation axis, and a thread-wound flyer 5 is provided so as to be rotatable around the same rotation axis. A filament body clamp/folding device 6 is arranged below the bobbin 4, and a winding bobbin 2 is arranged below it. In the method of this invention, first, thread is unwound from the bobbin 4, its tip is sandwiched between the collar plate 21 of the winding bobbin 2 and the clamping plate 3, and the winding bobbin 2 is rotated to unwind the thread. First, wind it onto the take-up bobbin. Next, the pinch roller 8 is rotated to send out the filament w so that its tip reaches the filament clamp/bending device 6, and the bobbin flyer 5 is rotated to send out the filament w so that the tip thereof reaches the filament clamp/bending device 6.
is moved to a position where it matches the filament body w, and the thread t and the tip of the filament body w are clamped together by the filament clamp and bending device 6. Next, the thread-wound flyer 5 is rotated to wind the thread t around the filament w several times to once.

At this time, the direction of rotation of the bobbin flyer 5 is such that the thread t is
The direction in which it should be wrapped around. In this way, the thread will not unravel and become sagging, and if the bobbin 4 is made rotatable with an appropriate frictional resistance, the thread t can be wound into a bobbin by pulling out the thread as it is wound around the striatum w. Since it is unwound from the bobbin with appropriate tension, no inconvenience occurs. After the thread t is wrapped around the striatum w, the striatum w
Bend the tip at a nearly right angle as shown in FIG.

The thread t is then cut near the supply source, the filament clamp/bending device 6 is opened, and the winding bobbin 2 is rotated. In this way, first the thread t is placed on the winding bobbin 2.
When the thread ends, it is pulled by this thread and the striatum W continues to be wrapped around it. The steps of the method of the present invention have been described above, and an actual apparatus for carrying out the steps is shown in FIG.

Although the apparatus shown in FIG. 1 is specifically shown as having means for carrying out each step of the present invention, essentially the second
It is the same as the apparatus shown in the figure, and the same reference numerals are used for corresponding parts. In FIG. 1, the filament w is sent out by a pair of pinch rollers 8, and is cut by a cutting device 7 operated by a cylinder 9 every time winding onto one bobbin 2 is completed. Ru.

During cutting, the filament w is clamped and fixed by a filament presser 10 operated by a fluid pressure cylinder 11! Ru. The cutting device 7 and the filament body presser 10 are traversed in the axial direction of the winding bobbin 2 together with a filament body guide tube 16 which will be described later. For this purpose, both devices are mounted on a block 12 which is traversed by a screw feed shaft 14 along a guide shaft 13. The filament w is guided through the center hole 161 of the filament guide tube 16 which has a hollow cylindrical shape as a whole.

The upper end of the linear body guide cylinder 16 is formed as a spur gear 162, and is driven to rotate when a pinion 171 of the drive motor 17 engages with the spur gear 162.
Although the order of the explanation has been reversed, the filament guide tube 16 is rotatably supported by a hollow cylindrical flyer shaft 15 via a bearing, and one is attached to the lower end of the flyer shaft 15 via an arm 51. A thread-wound flyer 5 in the form of a hollow shaft is fixed.

An arm 151 is attached to the flyer shaft 15, and an eccentric cam 19 rotated by a drive motor 20 engages with this arm 1151. This rotation of the eccentric cam 19 causes the arm 151 and therefore the flyer shaft 15 to move up and down along the guide shaft 18. This vertical movement is a traverse movement when winding the thread around the filament w, and the flyer shaft 15 including the device for this vertical movement is supported by the block 29 and is attached to the previous guide shaft 13. It is traversed by a screw feed shaft 31 along parallel guide shafts 30 . A bobbin 4 is rotatably supported on the outside of the flyer shaft 15 coaxially with the bobbin 4 with an appropriate frictional resistance, and the thread t wound on the bobbin 4 is guided through a hollow hole in the flyer 5. It is clamped by a thread holding device 25, which will be described later.

A linear body clamping and bending device 6 is provided below the linear body guide tube 16.

The intermediate link 22 is attached to the tip of the piston of the fluid pressure cylinder 23 attached to the block 29, and the clamp piece 6 is attached to the shaft rod 61 that can move along this hole 221. The tip of the piston is attached. With the above-described configuration, the piston of the fluid pressure cylinder 23 is pushed out, so that the clamp piece 6 clamps the filament body via the intermediate link 22, and the fluid pressure cylinder 24 is further actuated to retract the piston. Sometimes the shaft rod 61 is the hole 221
The clamp piece 6 is moved along the axis of the filament guide cylinder 16 so as to be positioned perpendicular to the axis of the filament guide cylinder 16. At this time, if the filament body w is clamped by the clamp piece 6, the filament body w will be bent at a right angle. The thread holding device 25 described above is composed of, for example, a pair of plate-shaped members, which are attached to a sliding body 28 that moves along a guide shaft 27, and this sliding body 28 is actuated by a hydraulic cylinder 29. do. A cutting device 26 for cutting the thread t is also attached to the sliding body 28. Note that 21 is a guide roller. Next, the present invention using the above-mentioned apparatus will be described in detail.

First, the fluid pressure cylinder 29 is actuated to push out this piston, and the thread t is sent downward together with the thread holding device 25. In this way, the thread t is held between the clamping plates 3 of the winding bobbin 2. Next, after opening the thread holding device 25, the winding bobbin 2 is rotated to wind the thread t around the body to some extent as described above. During this time, the filament W is pulled out by the pinch roller 8, and its tip is kept reaching the filament clamp/folding device 6. Next, the thread-wound flyer 5 is rotated so that the yarn t is attached to the filament body w, and the yarn t and the filament body w are clamped by the filament body clamping and bending device 6. As already mentioned, the next step is to rotate the thread flyer 5 to wind the yarn t around the filament w.

At this time, the thread-wound flyer 5 is moved up and down by the eccentric cam 19, and the thread is traversed. After this, fluid pressure cylinder 2
4 to bend the tip of the striatum w and thread t.
is cut on the side closer to the bobbin 4 which is the supply source. All preparations are completed in this way, and all that is left to do is to start the winding rotation of the winding bobbin 2. The thread t is wound up, and the filament w drawn by this thread is subsequently wound onto the bobbin 2. Note that it is natural that the filament guide tube 16 is cylindrical together with the block 29 for aligned winding.
According to this invention, the filament w can be wound onto the winding bobbin without any damage by simply bending a short length of the tip, and there is no part to be thrown away as waste. It has a big effect.

[Brief explanation of drawings]

Fig. 1 is a side sectional view showing an embodiment of the apparatus of the present invention, Fig. 2 is a simplified schematic diagram of the apparatus of Fig. 1 for explaining the principle of the method of the invention, and Fig. 3 is a line drawing. FIG. 4 is a simplified side view illustrating the prior art. 4...Pitch bobbin, 5...Pitch flyer, 6...Door...Striatal body clamp and folding device, 25...
...Thread holding device, 27, 28, 29... Thread feeding device.

Claims (1)

[Scope of Claims] 1. A step of supplying the yarn along the filament and winding the yarn around a take-up bobbin, and clamping the intermediate part of the yarn together with the tip of the filament. Wrapping the intermediate portion around the tip of the filament; bending the tip of the filament; releasing the clamp on the filament and yarn and cutting the yarn near the source; . A method for winding a filament comprising the steps of first winding the thread after starting to rotate a winding bobbin, and then winding the filament following the thread. 2. A thread bobbin that is provided so as to be able to rotate around the travel path of the thread body to be wound as a rotation axis, and a thread body clamp/folding device that is provided between this thread bobbin and the thread bobbin that winds the thread body. a thread-wound flyer that is driven to rotate around the center axis of the thread-wound bobbin; a thread-holding device that clamps the thread; and a thread-feeding device that feeds the thread-holding device to the vicinity of the thread-wound bobbin. Device.