JPH01275373A - Kinky thread prevention method - Google Patents

Abstract

PURPOSE:To give at all times tensile strength to a yarn end which is spun out of a yarn feed bobbin, and prevent the occurrence of kinky thread, by bringing the yarn end pulled out of the yarn feed bobbin into contact with a kinky thread prevention lever member and having it spun out, and at the same time, driving in rotation the yarn feed bobbin so that this yarn end may be retained at this lever member. CONSTITUTION:A yarn feed bobbin 11 is driven in rotation around its axis in the opposite direction to the direction of the release of a yarn end A through a roller 24 by means of the drive of a motor 25. As a result, the yarn end A pulled out of the yarn feed bobbin 11 is always brought into contact with a kinky thread prevention lever member 22, and tensile strength is always given to this yarn end A. As a result, when the yarn end A is pulled out of the yarn feed bobbin 11 and released, the occurrence of kinky tread at the yarn can be completely prevented, and an excellent yarn continuation can be done.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a method for preventing vibrations, and in particular, a vibration prevention method that can constantly apply tension to a thread that is unwound by contacting a vibration prevention lever member. Regarding.

[Conventional technology] When splicing yarn in a winder, the yarn end of the yarn supply bobbin is pulled out to a splicing device. It may be triggered.

In particular, the more stretchable the thread is to be handled and the less stable the twist, the more likely it is that fraying will occur.

Therefore, conventionally, as shown in FIG. 4, a vibration prevention lever member 3 was brought into contact with the head 2 of the yarn feeding bobbin 1. The anti-tangle lever member 3 contacts the head 2 of the yarn supply bobbin 1 perpendicularly to apply tension to the yarn end A that is released from the yarn supply bobbin 1, thereby preventing the occurrence of vibrations. .

[Problem Ii to be Solved by the Invention] By the way, the anti-tangle lever member 3 is in contact with the head 2 of the yarn feeding bobbin 1 at approximately a point, and only a temporary tension is applied to the head 2 of the yarn feeding bobbin 1. Yarn feeding bobbin 1 except for
The yarn end A released from the thread is opened over approximately 359°,
Because there is no restraint, there has been a problem in the past that it has not been possible to completely prevent chattering.

The present invention has been devised to effectively solve the above problems.

An object of the present invention is to provide a method for preventing fraying, which makes it possible to always apply tension to the yarn pulled out from a special yarn supply bobbin for yarn splicing, and to prevent the occurrence of fraying.

[Means and Effects for Solving the Problems] The present invention provides a yarn feeding bobbin in which the yarn end pulled out from the yarn feeding bobbin is brought into contact with a vibration prevention lever member and is let out, and the yarn end is held by the vibration prevention lever member. The yarn end pulled out from the yarn supplying bobbin is held by an anti-tangle lever member to constantly apply tension to the yarn end.

[Example] An embodiment of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in FIG. 3, a yarn supply bobbin 11 is introduced into the lower part of the wind mite knit 10, and a package 12 is formed by winding yarn from the yarn supply bobbin 11 at the upper part.

A yarn feeding path 13 forming a yarn path is formed between the yarn feeding bobbin 11 and the package 12.
is provided with a thread cutting device 14, a tension device 15, a thread splicing device 16, a drum 17, etc., and is also provided with a suction arm 18 and a suction pipe 19 that can freely turn in the vertical direction. The yarn end A of the yarn bobbin 11 is held by suction and the yarn splicing device 1
6. Further, during yarn splicing, a camshaft 20 inserted into the wind mite knit 10 is rotationally driven.

In addition, as shown in FIGS. 1 and 2, the yarn feeding bobbin 1
1 is provided with an anti-tangle lever member 22 for applying tension to the yarn end A pulled out from the yarn feeding bobbin 11 during yarn splicing. It is adapted to contact the head 21 of the thread bobbin 11 in a manner perpendicular to the head 21 of the thread bobbin 11 so as to be able to engage and disengage.

In particular, the yarn feeding bobbin 11 is driven to rotate around the axis so that the yarn end A pulled out from it is always positioned and held by the anti-tangle lever member 22, and the lower end 2 of the yarn feeding bobbin 11
3 is connected to a motor 25 via a roller 24, and this motor 25 moves the yarn feeding bobbin 11 to the yarn end A so that the yarn end A pulled out from the yarn feeding bobbin 11 is held by the anti-tangle lever member 22. It is designed to be rotated in the opposite direction to the release direction.

In this way, the yarn feeding bobbin 11 is rotationally driven around its axis and the yarn @A is always positioned on the anti-tangle lever member 22, so that tension is always applied to the yarn end A pulled out from the yarn feeding bobbin 11. , it is possible to prevent the occurrence of fraying and achieve good yarn splicing.

Note that the yarn feeding bobbin 11 is normally inserted integrally into a tray (not shown) and introduced into the wind mite knit 10, and in the present invention, the tray is rotationally driven to unravel the yarn feeding bobbin 11 around its axis. For example, the yarn feeding bobbin 11 may be driven to rotate in a direction opposite to the yarn direction.
A roller 24 is brought into contact with the tray on which the tray is inserted, and a motor 25 is connected to the roller.

In another embodiment, the yarn feeding bobbin 11 is connected to the suction pipe 19 that rotates in the vertical direction during yarn splicing.
For example, the camshaft 20, which is rotationally driven during yarn splicing, may be configured to drive a bobbin rotation lever member that rotationally drives the yarn feeding bobbin 11. In this case, it becomes easy to synchronize the unraveling speed of the yarn @A and the rotational speed of the yarn feeding bobbin 11, and there is no need to separately provide a driving means such as the motor 25.

In this manner, the present invention brings the anti-tangle lever member 22 into contact with the yarn end A pulled out from the yarn supply bobbin 11 to apply tension to the yarn end A, and also drives the yarn supply bobbin 1'1 to rotate around its axis. Therefore, tension can always be applied to the yarn end A pulled out from the yarn supply bobbin 11, and the occurrence of fraying can be prevented.

[Effects of the Invention] In short, according to the present invention, the yarn end drawn out from the yarn feeding bobbin is brought into contact with the anti-tangle lever member and is let out, and the rotating shaft is rotated so that the end of the yarn is held by the anti-tangle lever member. Since it was designed to rotate,
Tension can always be applied to the end of the yarn unreeled from the yarn feeding bobbin.

[Brief explanation of the drawing]

FIG. 1 is a diagram showing an embodiment of the present invention, FIG. 2 is a view taken along the line ■-■ in FIG. 1, FIG. 3 is a sectional view showing the winder, and FIG.
The figure shows a conventional example. In the figure, 11 is a yarn feeding bobbin, A is a yarn end, and 22 is a vibration prevention lever member. Patent applicant Nobuo Kinuya, patent attorney representing Murata 1A Machinery Co., Ltd.

Claims (1)

[Claims] 1. The yarn feeding bobbin is rotatably driven so that the end of the yarn drawn out from the yarn feeding bobbin is brought into contact with the vibration prevention lever member and is let out, and the yarn end is held by the vibration prevention lever member. How to prevent chattering.