JPH06313224A - Method for exchanging standard thread bobbin in automatic yarn piecer and apparatus therefor - Google Patents

Abstract

PURPOSE:To carry out the rationalization of operation by performing the exchange of a bobbin of yarn breakage caused in automatic bobbin change following the formation of a full bobbin in spinning machinery with a standard thread bobbin by the movement of an automatic yarn piecer. CONSTITUTION:A frame (F) of an automatic yarn piecer moving along a row of spindles is equipped with a standard thread housing magazine table 9 for housing plural standard thread bobbins 11 around which standard thread of a length required for yarn piecing is prewound and further a standard thread bobbin exchanging means 5 for exchanging the started bobbin 15 without engaging thread on a spindle 16 with the standard thread bobbins 11.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic yarn splicing machine which moves along a spindle row of a ring spinning machine, a ring twisting machine or the like to automatically splice a thread cutting bobbin. The present invention relates to a seed yarn bobbin replacing method and device in an automatic yarn joining machine, which detects the weight of the starting cut bobbin by movement and replaces the starting cut bobbin with the seed yarn bobbin.

[0002]

2. Description of the Related Art The seed yarn bobbin referred to in the present invention is obtained by winding a yarn under the same conditions as a spun yarn on an empty bobbin in advance for a length required for a yarn joining operation. When automatic tube change is performed after forming the thread, a thread breakage of 2% to 3% with respect to the number of spindles, that is, a start cut bobbin generally occurs.

In the above-mentioned starting cut bobbin, since the yarn is not moored to the spindle, the twisting and winding cannot be performed at the time of restarting after changing the tube. Before, the worker grips the seed yarn bobbin and sequentially performs the yarn joining operation of winding the seed yarn around the yarn cutting bobbin on the spindle. This yarn splicing operation requires a high degree of skill.

[0004]

SUMMARY OF THE INVENTION The present invention utilizes an automatic yarn splicing machine to detect a start-cut bobbin by movement of the automatic yarn splicing machine,
An object of the present invention is to rationalize the work by automatically exchanging the seed yarn bobbins that are pulled out from the spindle and stored in the yarn splicing machine into the empty spindle one by one.

[0005]

In order to achieve the above object, the structure of the first invention according to this question is such that an automatic yarn splicing machine which moves along a spindle row of a spinning machine has a length required for splicing in advance. The gist of the present invention is to accommodate a plurality of seed yarn bobbins wound with a yarn, and to replace the start-off bobbin on the spindle of the spinning machine and the seed yarn bobbin one by one by stopping the automatic yarn joining machine.

According to a second aspect of the present invention, a seed thread bobbin storage magazine provided with pegs for vertically supporting a plurality of seed thread bobbins at equal intervals is provided, and a seed thread bobbin and a spindle inserted into the pegs of the magazine are provided. An automatic yarn joining machine is provided with seed yarn bobbin exchanging means for exchanging the upper thread cutting bobbins one by one and magazine intermittent rotating means for rotating the seed yarn accommodating magazine by one division when exchanging the bobbin. Is the gist.

[0007]

According to the structure of the first aspect of the invention, the starting bobbin in which the yarn breakage occurs due to a trouble at the time of changing the pipe after the full yarn is formed, and the seed yarn bobbin in which the seed yarn is wound in advance are arranged along the spindle row. The moving automatic yarn splicing machine is stopped and the yarns are replaced one by one and the yarn splicing is performed by the automatic yarn splicing machine. The conventional artificial yarn splicing operation of the start-cut bobbin can be eliminated.

According to the structure of the second invention, a seed thread bobbin storage magazine for supporting a plurality of previously prepared seed thread bobbins on the peg in a radially radial manner at equal intervals is provided, and one empty peg of the magazine is provided. Insert the thread cutting bobbin pulled out from the spindle, pull out the seed thread bobbin from the peg by rotating the magazine in one division, and insert it into the empty spindle. Perform the replacement operation one by one by moving and stopping the automatic yarn joining machine. As a result, the first invention can be carried out smoothly.

[0009]

Embodiments Embodiments will be described below with reference to the drawings. FIG. 1 is a side view showing the relationship between a ring spinning machine and a seed yarn bobbin exchanging device. The seed yarn bobbin exchanging device is a frame F of an automatic yarn splicing machine (not shown) that moves along a spindle row. It is provided on the side surface. 1 is a twisting and winding section of a ring spinning machine, 2 is a draft part, and 3 is a lappet. Reference numeral 4 denotes an intermittent rotation means for the seed thread bobbin accommodating magazine of the seed thread bobbin changing device, and 5 denotes a seed thread bobbin changing means.

Intermittent rotation means 4 for the seed thread bobbin storage magazine
As shown in FIGS. 2 and 3, the stepping motor 6 attached to the frame F of the automatic yarn splicing machine is used as a drive source, and the bevel gear 7 meshed with the bevel gear 7 attached to the shaft of the stepping motor. The plurality of seed thread bobbin insertion pegs 10 are planted in the magazine stand 9 at equal radial intervals (12), and the magazine stand 9 is intermittently rotated by the stepping motor 6.
Is rotated in the direction of the arrow for each division. One peg 10 is left, and the seed thread bobbin 11 is previously inserted into the other peg.

The seed yarn bobbin exchanging means 5 is supported at its tip by a gripper arm 14 which supports a gripper 12 for controlling the gripping and releasing of the bobbin. The gripper arm can be vertically moved vertically and slidably back and forth by an appropriate means. It is supported by the frame F of the joint machine. Since the gripper 12 is a well-known air-expansion type made of a flexible material, the description of the configuration is omitted. A lappet kicker 13 is supported by the frame F so as to be slidable back and forth by appropriate means.

The operations of the intermittent rotation means 4 and the seed thread bobbin exchanging means 5 for the seed yarn bobbin storage magazine described above are performed when the spinning machine is restarted after the automatic pipe changing operation following the full yarn forming of the spinning machine. After the start cut bobbin 15 is stopped by the movement detection signal of the automatic yarn splicing machine, the rotation of the spindle 16 is stopped, and the start cut bobbin 15 is extracted from the spindle, and the extracted start cut bobbin 15 is inserted into the empty peg 10 of the magazine base 9. The magazine table 9 is rotated by one division, one of the seed thread bobbins 11 previously inserted and stored in the other peg 10 is removed, and the magazine bobbin 11 is inserted into the empty spindle 16.

Gripper arm 1 of seed thread bobbin changing means 5
The up / down movement of 4, the sliding movement, and the rotation operation of the magazine base 9 are as follows.
It is performed in the order of to h. a. 1 standby position (gripper 1 of gripper arm 14
2 from the position on the vertical line of the peg 10 of the magazine base 9) to the vertical line of the spindle 15. At this time, at the same time, the lappet kicker 13 also moves forward to rotate the lappet 3. b. When the gripper arm 14 descends, the gripper 12 is inserted and gripped in the start-off bobbin 15 on the spindle 16. c. As the gripper arm 14 rises, the start-off bobbin 15 extracted from the spindle 16 is moved to the vertical line of the empty peck 10 of the magazine table 9 by retreating the gripper arm 14. d. When the gripper arm 14 descends, the starting cut bobbin 15 is inserted into the empty peg 10 to release the grip. e. Next to the raising of the gripper arm 14, the magazine base 9
Is rotated by one division, and the seed thread bobbin 11 inserted into the peg 10 is gripped by the gripper 12 when the gripper arm 14 descends. f. The seed yarn bobbin 11 is moved on the vertical line of the spindle 16 by the upward movement and the forward movement of the gripper arm 14. g. As the gripper arm 14 descends, the seed bobbin 11 is inserted into the empty spindle 16 and the gripper 12 is released. h. The gripper arm 14 is raised and retracted to the original standby position.

The above-described operation is stopped by the detection signal of the thread cutting weight due to the movement of the automatic yarn joining machine, and the rotation of the spindle 16 is stopped so that each starting cutting bobbin weight is repeated. This exchange operation is performed at the same time as the yarn splicing operation of the automatic yarn splicing machine, or after the seed thread bobbin is exchanged and all the cutting weights are started, the automatic yarn splicing machine is returned to the starting position and moved by the automatic yarn splicing machine. A yarn splicing operation may be performed.

In the embodiment, the case where the stepping motor 6 is used for the intermittent rotation of the magazine base 9 has been described, but the rotation of one division may be controlled by using the proximity switch and the brake motor.

[0016]

As described in detail above, according to the present invention, a seed yarn bobbin storage magazine that stores a plurality of seed yarn bobbins in which seed yarns having a length necessary for the yarn joining operation are wound in advance in an automatic yarn joining device of a spinning machine. When,
A seed thread bobbin exchange means for exchanging the seed thread bobbin housed in the magazine stand and the start cutting bobbin on the spindle is provided, and after the full thread formation, the automatic thread splicing machine is moved along the spindle row, and the start cutting weight is set. The automatic yarn splicing machine is temporarily stopped by the detection signal of and the start-off bobbin and the seed yarn bobbin are automatically replaced, so that the work can be rationalized together with the function of the automatic yarn splicing machine. It has an effect.

[Brief description of drawings]

FIG. 1 is a side view showing an embodiment of an apparatus for carrying out the method of the present invention.

FIG. 2 is a plan view of a seed yarn bobbin storage magazine.

FIG. 3 is a side view of an intermittent rotation means of a seed thread bobbin storage magazine.

[Explanation of symbols]

 4 intermittent spinning means for seed thread bobbin storage magazine 5 spinning thread bobbin replacing means 11 spinning thread bobbin 15 starting cut bobbin

Claims (2)

[Claims] 1. An automatic yarn splicing machine which moves along a spindle row of a spinning machine, stores a plurality of seed yarn bobbins wound with seed yarns of a required length in advance for splicing, and starts and cuts on the spindle of the spinning machine. A seed yarn bobbin replacing method in an automatic yarn joining machine, wherein the bobbin and the seed yarn bobbin are replaced one by one when the automatic yarn joining machine is stopped. 2. A seed thread bobbin storage magazine provided with pegs for supporting a plurality of seed thread bobbins at equal intervals in a vertical radial direction, and a seed thread bobbin inserted into the peg of the magazine and a start-off bobbin on a spindle. The automatic yarn splicing device is provided with a seed yarn bobbin replacing device for exchanging the yarns one by one, and a magazine intermittent rotating device for rotating the seed yarn bobbin storage magazine by one division when the bobbin is replaced. Bobbin changing device for machine.