JPH036609Y2 - - Google Patents

Description

[Detailed explanation of the idea] [Industrial application field]

The present invention relates to a yarn end pulling device for picking out the yarn end of a pipe yarn to be supplied to an automatic winder.

[Conventional technology]

When the pipe yarn wound by a spinning machine is supplied to an automatic winder and rewound, the ends of the pipe yarn are unwound in advance. Conventionally, devices for performing this unwinding have been equipped with a mechanism for injecting compressed air into the top or bottom portion of the pipe yarn, and a mechanism for sucking the yarn end unwound by the air injection.

[Problem that the invention attempts to solve]

The tube yarn wound by a spinning machine is usually bunch-wound at the top or bottom of the winding tube, so a mechanism for injecting air into the bunch-winding area and a mechanism for sucking air are required. By positioning , you can take out the thread end. However, some pipe yarns do not reach full winding due to changes in yarn type or lot changes, etc.
Since the end of such a pipe yarn is located in the chain section, it was difficult to automatically take out the end of the yarn with a conventional device in which the pick-up mechanism was located in the part where bunch winding was performed. . In particular, spinning winders that are suitable for high-mix, low-volume production that directly connect a spinning machine and an automatic winder have many cases in which the yarn is not fully wound and the yarn ends are located in the chisel section. There has been a desire for a device that can automatically take out the end of the yarn even in the event of a problem. Therefore, it is an object of the present invention to provide a device that can automatically and reliably take out the end of a pipe yarn using a simple mechanism.

[Means to solve the problem]

It is unclear where the end of the thread is located when winding is stopped before it is fully wound. Therefore, cover the area where the thread end of the thread to be wound on the winding tube may be located, and spread a strip of sandpaper over the entire area where the thread may be wound on the winding tube. A large number of sandpapers were arranged in parallel, the ends of which were fixed to support arms, and the open end side of the sandpaper was pressed against the tube yarn, so that the support arm was provided on the side of the tube yarn. This pressure contact member can be a sandpaper-like material with a fine mesh used for polishing, a flat plate with fine irregularities formed densely on its surface, rubber, or even lint attached to clothing. The first step is to form a short-pile cloth with the ends of the hair slanted in a certain direction, which is often used to remove hair, etc. We adopted two types: one in which they were arranged in parallel to form the shape of a bamboo basket, and the second type was one in which ring-shaped elements were stacked at appropriate intervals to form a cylindrical shape.

[Effect]

When the yarn end is rotated in the yarn end unwinding device, the pressure member is pressed against the yarn end, and since the pressure member is made of a material with a large coefficient of friction, the yarn end will not come into contact with the pressure member. The friction creates a tangled part of the thread like a pill, and the thread is pulled out.

【Example】

An embodiment of the device of the present invention will be described below with reference to the drawings. The pipe yarn 1 is configured to be conveyed to the left in FIG. 1 on a conveyor 5 while being inserted into a tray 4 consisting of pegs 3 protruding from a disc-shaped substrate 2. , the tray 4 has an internal space with its lower surface open, and an air passage hole 6 is formed at the tip of the peg 3. It is configured to be transported to an automatic winder in a hanging state. Furthermore, 8 and 9 are compressed air jetting nozzles, which are arranged on both sides of the lower part of the tube yarn 1 so as to be inclined toward the yarn surface and to blow out air in the direction of unwinding the yarn ends. A suction pipe 10 for the yarn end is provided above the tube yarn 1, and a slit 12 is formed in the suction pipe 10 to guide the yarn end to the position of the cutter 11. 13 is a guide for the cutter 11, and 14 is a bunch winding mechanism. Note that each of the configurations described above is the same as the conventional device. Reference numeral 15 denotes a pressing member for opening the yarn end of the tube yarn 1. Sandpaper 16 used for superfinishing is formed into a strip shape, and a large number of these are arranged in parallel on a plane and one end of each is supported. It is fixed to the arm 17 and shaped like a bamboo basket. As shown in FIG. 2A, this pressing member 15 is disposed so that the open end side of the sandpaper 16 is pressed against the pipe thread 1.

[Effect of the idea]

A large number of strips of sandpaper are arranged in parallel over the entire area where the yarn may be wound around the winding tube, the ends of which are fixed to the support arm, and the open end of the sandpaper is placed in parallel over the entire area where the yarn may be wound around the winding tube. Since the support arm is placed on the side of the tube yarn by pressing the support arm, no matter where the yarn end of the tube yarn is located, the open end of the strip of sandpaper can be applied to the tube yarn with appropriate contact pressure. It comes into pressure contact with the surface of the yarn layer, and regardless of the shape of the yarn, the end of the yarn can be captured and pulled out, and the end of the yarn can be pulled out reliably. In addition, by being able to automatically and reliably perform this intervention,
In particular, it is ideal for a spinning winder that is suitable for high-mix, low-volume production by directly connecting a spinning machine and an automatic winder, and it also has the effect of automating the entire system.

[Brief explanation of the drawing]

The drawings show an embodiment of the device of the present invention. Fig. 1 is a front view of the first embodiment, Fig. 2A is a plan view of the main part, and Fig. 2B is a plan view of the main part. Partially enlarged front view. DESCRIPTION OF SYMBOLS 1... Tube thread, 7... Winding tube, 15... Pressing member, 16... Sandpaper, 17... Support arm.

Claims (1)

[Scope of utility model registration request] A large number of strips of sandpaper are arranged in parallel over the entire area where the yarn may be wound around the winding tube, the ends of which are fixed to the support arm, and the open end of the sandpaper is placed in parallel over the entire area where the yarn may be wound around the winding tube. A thread end pulling device in which a support arm is installed on the side of the pipe thread by pressing it against the thread.