SU1645233A1 - Device for winding filamentary material - Google Patents

Abstract

The invention relates to the textile industry and is aimed at improving the quality of winding by stabilizing the tension of the winding thread-like material. The reel-1 is installed in a slide 9 located in the guides 10 and connected with a cable 11 with a load 13. The wedge 14 contacts the roller 15 of the lever 16, rigidly connected with the cam 20. On the carriage 8 there are installed stators 7 of the linear asynchronous motor in the air gap, between which there is a metal disk 3. rigidly fixed on the shaft 2 of the bobbin holder. The device makes it possible to correct the law of movement of the stators 7 relative to the disk 3, which stabilizes the tension of the winding thread. 2 yl

Description

The invention relates to the textile industry and relates to devices for frictionless winding of a yarn on a cylindrical bobbin.

The aim of the invention is to improve the quality of the winding by stabilizing the tension.

Figure 1 shows the functional diagram of the winding device; 2 shows the dependence of the frequency of rotation of the bobbin holder on the winding radius.

The winding device contains a bobbin holder 1 with a metal disk 3 fixed on its shaft 2, a stitch roller 4 and a folding mechanism 5 installed in the housing 6. The stators of the asynchronous linear motor 7 are mounted on the carriage 8. The bobbin holder 1 is installed in the slide 9 10.

The means for clamping the bobbin holder to the stitching roller includes a cable 11. covering the pulley 12 and associated with the load 13. On the slide 9, the wedge rail 14 is fastened, with the end of the rail with a large cross section directed towards the stitch roller 4.

The rail 14 is in contact with the roller 15 mounted on the end of the pivot arm 16 connected to the spring 17. The second end of the spring 17 is fixed in the housing. The lever 16 is rigidly fixed on the axis 18, mounted in the housing on bearings 19. On axis 18, the cam 20 is also rigidly fixed. It is in contact with the roller 21 of the carriage 8. The carriage 8 is installed in the guides 22 and spring-loaded to the cam by spring 23. On the carriage 8 are installed opposite to each other two stator 7 linear asynchronous motors, in the gap between which there is a metal disk 3.

Winding device operates as follows.

When turning on the windings of the stators of the linear asynchronous motor 7, we create

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A traveling magnetic field driven in the air gap causes the metal disk 3 to rotate together with the bobbin holder 1 and the thread winding process begins. By means of a load 13 connected to the slide 9 by means of a cable 11, the bobbin holder 1, mounted on the slide 9, is pressed against the pitch roller 4 with a predetermined force. As the reel radius increases in the process of winding the slide with the coil holder 1, they move away from the stitch roll 4. At the same time, the wedge rail 14 interacts with the roller 15 of the lever 16, which causes the cam 20 to rotate. The cam 20 interacts with the roller 21 carriage 8, causing the latter to move. The stators 7 of the linear motor move together with the carriage. As a result, the rotational speed of the bobbin holder is corrected.

Fig. 2 shows the dependence of the rotational speed of the bobbin holder on the radius (curve a). Curve b corresponds to the fixed fastening of the carriage 8 with the stators 7 in the position corresponding to the start of winding (Nnach), the curve in - the fixed fastening of the carriage 8 in the position corresponding to winding half of the thickness (R), curve r - to the fixed fastening of the carriage 8 in the position corresponding to winding end (RKON).

The kinematic connection of the slide 9 with the cobbling holder 1 and the carriage 8 with the stators 7 ensures a smooth transition of the characteristic b at the beginning of the winding to the characteristic r at the end of the winding, and thus

the desired response is performed throughout the entire winding process.

The stators 7 are expediently implemented as a stator segment of an end-face induction motor. The disk 3 can be made of any electrically conductive metal (for example, copper, aluminum, iron). The gap between the stators 7 is advisable to choose from 5 to 10 mm.

The device allows a constant tension of the thread during the entire winding process, which leads to an increase in the quality of the reel being wound.

Claims (1)

The invention The device for winding filamentary material containing a yarn spreader with a stitching roller, means for pressing the bobbin holder to the stitching roller and a drive including a metal disk rigidly mounted on the bobbin holder, and a flat stator of an asynchronous motor mounted on a carriage with a gap relative to the disk, differing in the carriage of an asynchronous motor mounted on a carriage with a gap relative to the disk, which is mounted on a carriage with an asynchronous motor mounted on a carriage with a clearance relative to the disk, which is mounted on the carriage with an asynchronous motor mounted on a carriage with a gap relative to the disk, which is mounted on the carriage with an asynchronous motor mounted on a carriage with a gap relative to the disk, which is mounted on a carriage with an asynchronous motor mounted on a carriage with a gap relative to the disk, which is mounted on the carriage with an asynchronous motor mounted on a carriage with a gap relative to the disk, which is mounted that, in order to improve the quality of winding, it has straight guides, a pivot arm and a cam rigidly fixed on the arm with the possibility of interaction with the carriage, and the bobbin holder is mounted in rectilinear guides and has a wedge rail fixed on it with the ability to interact with the pivoting lever, while the carriage is spring-loaded to the cam and the pivoting arm is spring-loaded to the wedge rail.  nineteen