JP2002255452A - Turret type winder - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a turret type winder capable of preventing a member of a yarn transferring device from touching the package in the process to transfer the yarn, shortening the time of the yarn transferring motion, and shortening the yarn treating time of the package facial layer part in the next process. SOLUTION: The winder is equipped with a turret member 2 installed rotatably on the machine frame 1, bobbin holders 3 and 4 installed rotatably on the turret member 2, a traversing device 6 to traverse the yarn, a pressure contact roll 7 to abut to the bobbin held by the bobbin holders with a certain contacting pressure, and the yarn transferring device 8 to transfer the yarn from the full bobbin to an empty, wherein a motion restricting member 16 to restrict the transferring motion of the yarn transferring device is installed on at least either of the turret member 2 and yarn transferring device 8.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a turret type winder for winding a continuously produced yarn in a production process of a synthetic fiber yarn.

[0002]

2. Description of the Related Art Generally, in a process of manufacturing a synthetic fiber yarn, when a continuously produced yarn is wound, it is rotatably mounted on a machine frame 1 as shown in FIG. A turret member 2, two bobbin holders 3 and 4 rotatably mounted on the turret member 2, a traverse device 6 mounted on a movable frame body 5 movably mounted on the machine frame 1, and a bobbin holder. Turret type winder having a contact pressure roll 7 for abutting the bobbin held at a predetermined surface pressure and a yarn switching device 8 for switching the yarn from the winding bobbin 50 to the empty bobbin 50 is used. Have been.

[0003] The yarn switching device 8 includes a yarn pushing member 10 for removing the yarn from the guide of the traverse device 6 and a moving member for moving the yarn removed from the guide to a position above the catch groove at each end of the bobbin. 11, an arm 13 pivotally mounted on the machine frame 1 and rotated by a cylinder (not shown), and mounted on the tip of the arm 13 and wound around a package. The guide member 14 and the empty bobbin 50 for regulating the position of the yarn to be taken.
Guide member 15 for guiding the yarn into the catch groove 50a
And a lower switching mechanism 12 having the following.

In place of the above-described yarn switching device 8, a yarn from a take-up machine as described in JP-A-54-114675, JP-A-64-60577 and JP-A-6-32142 is used. In some cases, a structure including a member for guiding the thread to the empty bobbin capturing position, a member for winding the thread around the empty bobbin, and the like is provided.

[0005]

In the turret type winder described above, after confirming that the empty bobbin 50 has moved to the yarn switching position or the winding position, the arm 13 is moved by the cylinder (not shown). The lower switching mechanism 1 attached to the distal end of the arm 13 when the rotation start timing is slightly out of order because the rotation is performed.
2 contacts the package moving toward the standby position and damages the package.

After confirming that the empty bobbin 50 has been moved to the yarn switching position or the winding position, the arm 13 is rotated by a cylinder (not shown), and the lower switching mechanism 12 is moved from the standby position to a predetermined yarn. Since the lower switching mechanism 12 is moved to the thread switching position, the moving time of the lower switching mechanism 12 is prolonged, and in the high-speed winding of 3000 to 7000 m / min, an inconvenient yarn is wound in the next step of being wound on the package peripheral surface. There is a problem that it takes a long time to remove the inconvenient yarn while it occurs in large quantities.

The present invention can prevent the members of the yarn switching device from coming into contact with the package in the yarn switching operation, shorten the yarn switching time, and reduce the yarn processing time of the package surface layer in the next step. It is intended to be able to shorten.

[0008]

In order to achieve the above-mentioned object, a turret type winder according to the present invention comprises a turret member and a yarn switching device. An operation restricting member for restricting a yarn switching operation of the device is provided.

According to a second aspect of the present invention, there is provided the yarn switching device, wherein the switching member mounted on the tip of the rotating arm is configured such that the bobbin at the winding operation position from the standby position and the winding at the doffing operation position. A shape that is configured to move to a switching operation position between the bobbin and an operation restricting member configured by a cam body provided on a turret member and a driven body provided on the rotating arm. According to a third aspect of the present invention, the driven body may be a roller.

[0010]

FIG. 1 is a schematic view showing one embodiment of the configuration of a turret type yarn winding machine according to the present invention. The winding machine is the same as a conventional turret type winding machine. A turret member 2 rotatably mounted on the turret member 2;
Bobbin holders 3 and 4 rotatably mounted on the
A traverse device 6 attached to a movable frame 5 installed so as to move in accordance with the thickness of the package, a contact pressure roll 7 for abutting a bobbin held by a bobbin holder at a predetermined surface pressure, and winding the yarn. Empty bobbin 5 from taking bobbin 50
0, and an operation regulating member 16 for regulating the yarn switching operation of the yarn switching device 8.
The configuration of the upper switching mechanism 9 and the lower switching mechanism 12 in the yarn switching device 8 is the same as the configuration of the conventional yarn switching device 8, and therefore a detailed description is omitted.

The operation restricting member 16 is provided on the turret member 2 and the yarn switching device 8.

The arm 17 in the yarn switching device 8
As shown in FIG. 2, a bracket 17b is formed at a position close to a shaft portion 17a on the turret member supporting side which is rotatably supported by the machine frame 1. As shown in FIG. Are attached to the bracket 17b so as to have a predetermined interval in a direction in which the turret member 2 rotates.

The spindle 3 of the turret member 2
The remaining cam bodies 20 and 21 of the operation restricting member 16 are attached by bolts 22 near the spindles 3 and 4 on the protruding side surface of the turret 4 and at the rotation side position of the turret member 2.

When the turret member 2 rotates and the spindle 3 at the winding position rotates toward the standby position and reaches a predetermined position, the arm 17 is moved by a cylinder (not shown). When the turret member 2 is rotated, the driven member 18 separates from the cam surface 20a of the cam body 20. At the same time as the driven body 18 separates, the driven body 19 comes into contact with the cam surface 20a of the cam body 20,
The lower switching mechanism 10 attached to the tip of the arm 17 is held at a position where the lower switching mechanism 10 does not contact the outer peripheral surface of the package at the time of the maximum winding amount. Cam body 2
1 also has the same shape.

The followers 18 and 19 are provided with a shaft 24 and a roller 24.
It is preferable to use a structure in which a roller is rotatably mounted by a bearing 25, but it is needless to say that a structure in which a roller is rotatably mounted on a shaft or a structure formed only by a shaft can be used.

The roller 24 is made of a steel material such as carbon steel or stainless steel, an alloy such as brass, a synthetic resin such as a polyamide resin, a synthetic rubber such as butyl rubber, or the like. If necessary, a surface treatment such as chrome plating is performed.

It goes without saying that the operation restricting member 16 is not limited to the follower and the cam.

The yarn switching operation in the turret type winder described above will be described with reference to FIG.

As shown in FIG. 3A, when a predetermined amount of yarn is wound on the bobbin 50 held by the spindle 3, the turret member 2 is rotated clockwise to the winding position. The existing spindle 3 moves to the standby position, and the spindle 4 which has been in the standby position moves to the winding position. Then, when the spindle 3 moves to a position before the standby position and the spindle 4 moves to a position before the winding position, and the tip of the cam body 20 comes to a position below the driven member 18, the thread is moved as shown in FIG. The arm 17 is rotated by operating a cylinder (not shown) of the line switching device 8, and the driven body 18 comes into contact with the cam surface 20 a of the cam body 20 and stops at that position. At this time, the arm 17 has hardly rotated from the standby position, but is still in a state in which the rotating power is acting by the cylinder (not shown). When the turret member 2 continues to rotate and the cam body 20 moves in this state, the driven body 18 separates from the cam body 20 and the driven body 19 is simultaneously moved from the cam surface of the cam body 20 as shown in FIG. Arm 17 in contact with 20a
Stops at that position. At this time, the lower switching mechanism 10 attached to the tip of the arm 17 is held at a position near the outer peripheral surface of the package. In this state, when the turret member 2 further rotates and the cam body 20 comes off from the position of the driven body 19, the arm 17 is rotated as shown in FIG. 3-4, and the lower switching mechanism 10 performs the thread switching operation. Move to position. When moved to the yarn switching operation position, the yarn pushing member 10 of the upper switching mechanism 9
The moving member 11 is actuated to remove the yarn from the guide of the traverse device 6 and move the yarn to a position above the catch groove of each bobbin 50, and the yarn running toward the package is moved by the guide member of the lower switching mechanism 12. The guide 14 guides a predetermined position on the package, and the guide guide member 15 guides and winds the bobbin 50 in the catch groove of each bobbin 50 held on the spindle 4. When the winding of the yarn by the bobbin 50 is started, a cylinder (not shown) of the yarn switching device 8 is operated to return the arm 17 to the standby position as shown in FIG. End the operation.

In this manner, even if the arm 17 is rotated by operating the cylinder based on the yarn switching operation start signal or the like, the amount of rotation of the arm 17 is controlled by the followers 18, 19 and the cam body 20 or the cam body 20. It is possible to reliably prevent the lower switching mechanism 12 that is regulated and attached to the tip of the arm 17 from accidentally coming into contact with the package.

Also, the lower switching mechanism 12 is moved to a predetermined thread switching position immediately before the empty bobbin 50 at the standby position moves to the thread switching position or the winding position or to the winding position. A cylinder (not shown) is actuated to rotate the arm by rotating the arm just before the empty bobbin 50 moves to the yarn switching position or the winding position or after confirming that the empty bobbin 50 has moved to the winding position. It takes several seconds or 0.1 second than when the switching mechanism 12 moves to a predetermined thread switching position. It can be shortened to several seconds, and in high speed winding at 3000 to 7000 m / min, the amount of undesired yarn in the next step of winding on the package peripheral surface can be greatly reduced.

[0022]

According to the present invention, there is provided a turret type winder according to claim 1.
As described in the above, at least one of the turret member and the yarn switching device is provided with an operation regulating member that regulates the yarn switching operation of the yarn switching device, so that the yarn switching device comes into contact with the package. Can be prevented. In addition, since the movement timing of the yarn switching device to the yarn switching position can perform a constant yarn switching operation without being affected by the time lag of the control system and the individual difference of the drive system, the yarn switching time can be reduced. Therefore, it is possible to shorten the time required for yarn processing of the package surface layer in the next step.

According to a second aspect of the present invention, in the yarn switching device, the switching member mounted on the tip of the rotating arm is configured such that the switching member mounted at the leading end portion of the rotating arm takes up the empty bobbin at the winding operation position and the winding operation at the doffing operation position. A shape that is configured to move to a switching operation position between the bobbin and an operation restricting member configured by a cam body provided on a turret member and a driven body provided on the rotating arm. Accordingly, the operation of the yarn switching device can be controlled by a simple mechanism, and when the driven body is a roller as described in claim 3, the rotation stop operation of the rotation arm can be performed smoothly. .

[Brief description of the drawings]

FIG. 1 is a schematic view showing one embodiment of a configuration of a turret type winder of the present invention.

FIG. 2 is a schematic perspective view showing details of an operation restricting member mounting portion in FIG. 1;

FIG. 3 is a schematic diagram showing a yarn switching operation in the turret type winder of the present invention.

FIG. 4 is a schematic view showing one embodiment of a configuration of a conventional turret type winder.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Machine frame 2 Turret member 3, 4 Spindle 5 Frame 6 Traverse device 7 Contact pressure roll 8 Thread switching device 9 Upper switching mechanism 10 Thread pushing member 11 Moving member 12 Lower switching mechanism 14 Guide member 15 Capture guide member 16 Movement restricting member 17 Arm 18, 19 Follower 20, 21 Cam 22 Bolt 23 Shaft 24 Roller 25 Bearing 17a Shaft 17b Bracket

Claims (3)

[Claims] 1. A turret member rotatably mounted on a machine frame, a plurality of bobbin holders rotatably mounted on the turret member, a traverse device for traversing thread, and a bobbin held by the bobbin holder. A contact pressure roll contacting with a predetermined surface pressure, and a yarn switching device for switching the yarn from the winding bobbin to the empty bobbin, wherein at least one of the turret member and the yarn switching device A turret type winder, further comprising an operation restricting member for restricting a switching operation of the yarn switching device. 2. The yarn switching mechanism according to claim 1, wherein a switching member mounted on a tip end of the rotating arm switches a switching operation position between a standby bobbin at a winding operation position and a winding bobbin at a doffing operation position. And the movement restricting member is constituted by a cam body provided on the turret member and a driven body provided on the rotating arm. The turret-type winder described in 1. 3. The turret type winder according to claim 2, wherein the driven body is a roller.