JPH078529Y2 - Package yarn end processor - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of use] The present invention relates to a yarn end processing device for a package that winds the start end of the package around a bobbin.

[Prior Art] The applicant previously proposed a device for unwinding the bunch winding at the leading end applied to the bobbin (paper tube) and then winding the yarn around the bobbin (see "Wrapping of the yarn end of the package". Fixing device ", JP-A-63-277176, etc.).

As shown in FIG. 3, this device is constructed as a package processing device together with a mechanism for processing the end side of the package.

The package processing device sequentially unwinds the roll winding of the package P from the upstream side in the transport direction A of the package P and unwinds the yarn knotting device 1 (first stage ST1) that ties the end to the outer periphery and the bunch winding at the start end. Bunch unwinding device 2 (second stage ST
2), wrapping and fixing device 3 for wrapping the start end around the bobbin
(Third stage ST3) is provided, and the start and end processes of the package P are performed in parallel by their respective mechanisms.

[Problems to be Solved by the Invention] By the way, the mechanism for processing the starting end has the following problems.

As shown in FIG. 4 and FIG. 5, the package P is in the state as it is after the start end is sucked by the yarn end suction means 4 provided in the bunch unwinding device 2 in the second stage ST2. It is transferred to the three stage ST3 and fixed to the winding device 3
The yarn end is passed to and wound around the outer peripheral surface of the bobbin 5. At this time, the package P is held and appropriately rotated by inserting the chuck 6 provided in the winding and fixing device 3 into the bobbin 5, and the yarn path Y thereof is as shown in FIG. When it crosses the end face of the bobbin 5 in relation to the nip point N for the main winding, the yarn y is caught in the chuck 6 and cannot be wound around the bobbin 5.

Therefore, in view of the above circumstances, the present invention was devised to provide a yarn end treating device for a package in which the unwound yarn is not caught in the chuck.

[Means for Solving the Problem] The present invention relates to a package yarn end treating apparatus having a yarn end suction means for pulling out a starting end of a package and holding the yarn so as to pass it to a bobbin winding mechanism in the next step. The yarn path regulating means is provided between the yarn end suction means and the yarn end suction means to bend the yarn path to the side along the outer peripheral surface of the bobbin of the package.

[Operation] With the above configuration, the yarn end suction means pulls out the starting end of the package and holds it as it is. The yarn path restricting means controls the drawn thread along the outer peripheral surface of the bobbin so that the thread path does not cross the end surface of the bobbin when the package is transferred to the next process.

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

1 and 2 show an embodiment of a yarn end treating device for a package according to the present invention. The same components as those of the conventional device are designated by the same reference numerals, and the description thereof will be omitted.

This yarn end processing device has a yarn end suction means 4 for pulling out the starting end from the package P as in the conventional case, and is provided between the package P and the yarn end suction means 4 for engaging the drawn yarn y. A yarn path regulating means 11 for regulating the yarn path Y in combination is provided.

The yarn path regulating means 11 includes a yarn passing ring 12 and a yarn passing ring 12
And a ring support member 13 for appropriately moving up and down, and is located near the package P on the second stage ST2.

The yarn passing ring 12 is made of a plate having a width sufficiently larger than the outer diameter of the bobbin 5, and the guide portion 15 having an inverted triangular shape with the apex 14 at the approximate center is provided on the lower side, which is the side engaging with the yarn y. Is provided. That is, a right-aligned guide side 16 and a left-aligned guide side 17 which are respectively inclined by about 45 degrees are formed. And, on both ends of each, the locking pieces 18, 1 protruding downward are provided.
9 is molded.

The apex 14 of the guide portion 15 is adapted to vertically cut the bobbin 5 in a radial direction at a predetermined position when the yarn passing ring 12 moves up and down. In this embodiment, the vertical position is slightly deviated from the axis of the bobbin to the downstream side in the transport direction A. Therefore, when the nip point N is located in the bobbin outer peripheral area Q on the downstream side (left side in the drawing) of the nip point N from the ascending / descending locus B of the apex 14, it is on the left side guide side 17 and on the upstream side in the conveying direction. When located on the bobbin outer peripheral region R on the (right side), the bobbin is engaged with the right guide side 16 respectively. That is, when the yarn passing ring 12 is moved downward from the standby position shown by the chain double-dashed line in FIG. 1, the yarn path Y between the yarn end sucking means 4 and the yarn end sucking means 4 is moved to one of the left and right ends. It is what is done.

A guide member 20 protruding from the package P is attached to the locking piece 19 of the left side guide side 17.

The ring support member 13 is configured to include a support 21 having a lower end bolted to the thread passing ring 12, and an elevating block 23 that is connected to an upper end of the support 21 and moves up and down along a vertical shaft 22 at a predetermined timing. A drive control unit (not shown) is used to drive up and down.

Next, the operation of this embodiment will be described.

Package P transferred to the second station ST2
The bunch winding at the start end is unwound and pulled out by the yarn end suction means 4, and is extended and held in the axial direction. In this state, the yarn passing ring 12 descends, and the guide portion 15 is engaged with the yarn y to bend the yarn path Y downward and to the left or right.

When the nip point N is located in the outer peripheral area R of the right bobbin,
The yarn path Y is gradually guided from the initial state (not shown), which is linearly connected from the holding point S of the yarn end suction means 4, to the upstream side in the transport direction A by the right alignment guide side 16, and the bobbin 5 Is refracted along the outer peripheral surface of the. And threading ring 12
Reaches the lower limit position shown by the solid line in FIG. 1, the yarn y
Is in a state of being stopped by the locking piece 18 around the upper surface of the bobbin 5.

As a result, the yarn path Y from the nip point N becomes a shape in which the end face of the bobbin 5 has been evaded, and when the package P is transferred to the third station ST3, as shown by the chain double-dashed line, It is extended in the radial direction along the upper side of the outer peripheral surface without traversing.

The yarn y is delivered to the winding and fixing device 3 that moves in the axial direction, and the chuck 6 is inserted into the bobbin 5 to hold the package P rotatably.

On the other hand, when the nip point N is located in the outer peripheral area Q of the left bobbin, the yarn y is bent substantially downward by the left guide side 17 and is separated from the outer peripheral surface of the bobbin 5.

With the transfer of the package P, the engagement position (refraction point) of the yarn y moves to the left end and is stopped by the guide member 20. Then, the yarn y guided downward is sequentially wound around the outer peripheral surface of the bobbin 5 on the downstream side and the lower side in the transport direction A in the process of transferring the package P, and is tangentially extended from the lower end of the bobbin 5 to the guide member 20. Be extended. Now, in the third station ST3, in this state, the chuck 6
Is inserted into the bobbin 5.

After the yarn y is delivered to the winding and fixing device 3, the yarn delivery ring 12 is moved to the standby position.

In this way, the yarn passing ring 12 having the guide portion 15 is moved up and down so that the yarn path Y is bent along the outer peripheral surface of the bobbin 5, so that the yarn y is passed to the winding and fixing device 3. At times, the bobbin 5 is regulated so as not to cross the end face of the bobbin 5 and is prevented from being caught in the insertion of the chuck 6. That is, it is possible to reliably perform the operation of winding around the outer peripheral surface of the bobbin 5, which is the step after unwinding the bunch winding.

Particularly in the present embodiment, the guide portion 15 is formed into a predetermined inclined shape and the yarn y is once moved to the left or right so that it is guided to the upper side or the lower side of the outer peripheral surface of the bobbin 5 in the process of transferring the package P. Therefore, the yarn path Y can be regulated regardless of the position of the nip point N on the outer circumference of the bobbin 5.

Since the present embodiment has a simple structure in which the yarn passing ring 12 is moved up and down, it is extremely versatile.

In the case where the nip point N is on the upstream side in the transport direction A, even if the package P is transferred to the third station ST3, there is no risk of traversing the end surface of the bobbin 5, and there is no problem if left as it is. By bending and holding the yarn path Y in the radial direction as shown, the yarn can be smoothly passed to the winding and fixing device 3.

The shape of the yarn passing ring 12 and the ascending / descending trajectory B are determined in consideration of the distance between the stages ST2 and ST3, the relative positional relationship between the package P and the yarn end suction means 4, and the like.

[Effects of the Invention] In short, according to the present invention, the following excellent effects are exhibited.

Between the package and the yarn end suction means, the yarn path regulating means for engaging the drawn-out thread and refracting the yarn path to the side along the outer peripheral surface of the bobbin of the package is provided. The bobbin is regulated so as not to traverse, and is prevented from being caught in the chuck insertion in the next process, so that the bobbin is securely wound.

[Brief description of drawings]

FIG. 1 is a front view showing an embodiment of a package yarn end treating device according to the present invention, FIG. 2 is a top view thereof, and FIG. 3 is a package treating device having a conventional yarn end treating mechanism. A front view, FIG. 4 is a top view showing a conventional yarn end processing mechanism of a package, and FIG. 5 is a front view of the package for explaining the problem. In the figure, 4 is a yarn end suction means, 5 is a bobbin, 11 is a yarn path regulating means, P is a package, and Y is a yarn path.

Claims (1)

[Scope of utility model registration request] 1. A yarn end processing apparatus for a package, comprising a yarn end suction means for pulling out a starting end of a package and holding the yarn so as to pass it to a bobbin winding mechanism in a next step, wherein the package and the yarn end suction means are provided. A yarn end treatment device for a package, characterized in that a yarn passage restricting means for engaging the drawn yarn and refracting the yarn passage toward a side along the outer peripheral surface of the bobbin of the package is provided therebetween.