JP2803002B2 - Rubber yarn feed switching device of knitting machine - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a rubber thread feed switching device for a knitting machine,
The present invention relates to a device capable of freely knitting two or more types of rubber threads having different colors, counts, and the like into any one sock by controlling a controller at an arbitrary place and with a free rubber width.

[Prior Art] In socks, a rubber thread is knitted in the mouth so that when socks do not slip down.

When knitting a sock with a knitting machine, the knitting yarn constituting the majority of the sock hangs on the knitting needle, whereas the rubber thread does not hang on the knitting needle. It is necessary to feed in accordance with the rotation of the rotary cylinder of the knitting machine.

As such a rubber thread feeding device, a device as shown in FIG. 8 has been conventionally known. The apparatus has an upper roll 51 and a lower roll 52. The lower roll 52 is rotated by a DC motor (DC motor).
Rotate 51, and put the rubber thread 53 between these rolls 51 and 52.
Is sent to the knitting machine.

On the other hand, a rubber thread feeder as shown in FIG. 9A is also known. The apparatus rotates the disk 54 in accordance with the rotation of the knitting machine rotation cylinder as shown by the arrow in the drawing, and rotates the rubber thread feed guide roll 55 by the motor 56 to feed the rubber thread 53 to the knitting machine. In this device,
The rubber thread feed guide roll 55 is laterally slid by a motor 56 as indicated by an arrow mark, and the position on the disk 54 is changed.

[Problems to be Solved by the Invention] However, in the case of a conventional rubber thread feeder, for example, when the number of rubber threads is different and the diameter is switched from a small diameter to a large diameter, the device is stopped. It is necessary to lift the upper roll 51 and pass another rubber thread 53 between these rolls 51 and 52, and when trying to switch between the large and small rubber threads as described above, A large number of a pair of rolls including a roll 51 and a lower roll 52 are required. Further, as a result of using a constant speed DC motor, fine rubber width control and ultra-low speed feed cannot be performed.

On the other hand, in the latter rubber thread feeder, since the disk 54 is rotated in accordance with the rotation of the knitting machine rotating cylinder, it is influenced by the rotation of the cylinder and the like. Disk 54 of feed guide roll 55
Set the upper position to the middle or outside to make the disk
Although it is possible to change the rubber width using the peripheral speed of 54, since the lateral sliding of the guide roll 55 on the disk 54 is performed by a series of operations, as shown in FIG. It is not possible to switch between different types of rubber threads such as colors or counts (large diameter, small diameter) only by obtaining a sock 57 that can only be changed in a series of rubber widths 56.

In the present invention, it is an object of the present invention to provide a rubber thread feed switching device capable of switching between two or more kinds of rubber threads having different colors, counts, materials, etc., as well as simply feeding a rubber thread to a knitting machine. And

The present invention is also capable of freely setting the rubber width, for example, a rubber mouth portion having a long rubber width, an ankle rubber portion having a shorter rubber width than the rubber mouth portion, and further, a rubber having a rubber width greater than that of the ankle rubber portion. It is an object of the present invention to provide a technology that enables the manufacture of socks along a foot shape having rubber portions having different rubber widths, such as a rubber portion having a short width, such as a stepped rubber portion.

According to the present invention, furthermore, as a result of being able to switch the feed of different types of rubber thread, for example, the ankle rubber part and the step rubber part of the mouth rubber part have different colors, for example, or a different material. It is an object of the present invention to provide a technology capable of freely setting such as setting.

The above and other objects and novel features of the present invention will become apparent from the description of the present specification and the accompanying drawings.

Means for Solving the Problems According to the present invention, there is provided a controller for performing rubber switching control and rubber width control, and electrically connected to the controller to receive a rubber width control signal from the controller. A pulse motor, a rubber thread feed rotor rotated by the pulse motor, a plurality of rubber thread guide rolls rotated by the rotation of the rubber thread feed rotor, and a controller positioned between the rubber thread guide roll and the controller. The rubber thread guide roll electrically connected to the controller which raises or lowers the rubber thread guide roll based on the rubber thread switching control to switch the feeding of different types of rubber threads such as colors to a rotary cylinder of a knitting machine. Rubber thread for a knitting machine, particularly a sock knitting machine, comprising: Ri consists in switching device, preferably, the switching mechanism,
An electromagnetic solenoid electrically connected to the controller, a bar for raising and lowering a rubber thread guide roll connected to the electromagnetic solenoid, and a compression coil spring attached to the bar, more preferably, the switching mechanism, It is characterized by having an adjusting mechanism for changing the elasticity of the compression coil spring.

[Function] In the present invention, the rubber thread feeding rotor and the pulse motor are connected, the rubber thread feeding rotor is rotated by the pulse motor, and the pulse motor and the controller are electrically connected. The rotational speed of the pulse motor (step motor) is variably controlled by rubber width control from a controller.

Therefore, to increase the rubber width, it is only necessary to increase the rotation speed of the rubber thread feeding rotor by the pulse motor. On the other hand, to reduce the rubber width, it is necessary to reverse the rotation.

As described above, in the present invention, the rubber thread feeding rotor is rotated by the pulse motor and is controlled by the controller, so that the feeding amount of the rubber thread can be changed regardless of the rotation of the knitting machine rotating cylinder.

On the other hand, in the latter conventional example described above, the disk 54 is rotated in conjunction with the rotation of the knitting machine rotation cylinder, and the disk 54 is rotated.
The position of the rubber thread guide roll 55 on the disk 54 that is in contact with the motor is varied by the motor 56, so that the position depends on the rotation of the knitting machine rotation cylinder.

Similarly, in the former conventional example described above, the lower roll
The reference numeral 52 is rotated by a DC motor, and when the variable control of the rubber width is to be performed, the control is performed by changing the voltage supplied to the motor, so that it is difficult to finely control the rubber width. At this time, if an attempt is made to reduce the voltage and perform ultra-low-speed feeding, the torque of the motor decreases, so that the rubber thread cannot be fed.

Further, in the rubber thread feeder, it may be necessary to stop the apparatus and pull up the upper roll (rubber thread guide roll) 51 upward.

In the present invention, a plurality of rubber thread guide rolls are provided for the rubber thread feeding rotor. Then, the rubber thread guide roll is electrically connected to a controller via a switching device that raises or lowers the guide roll, and raises and lowers under the control of the controller. The lowering of the rubber thread guide roll causes the rubber thread to be fed between the rubber thread feeding rotor and the rubber thread guide roll.

On the other hand, the feeding of the rubber thread is stopped by the elevation of the rubber thread guide roll.

In the present invention, since a plurality of rubber thread guide rolls are used and the rubber thread feed can be switched based on the rubber thread switching control of the controller, a plurality of colors, counts (thick and small diameters), and materials can be used. By passing different rubber threads such as through the thread path of the rubber thread, based on the control of the controller, for example, the mouth rubber part is red, the ankle rubber part is blue, the arch rubber part is red or blue, Different types of rubber can be freely woven anywhere.

On the other hand, in the latter conventional example described above, the rubber width can only be changed and it is also connected, and further, it is impossible to switch different kinds of rubber threads having different colors such as the present invention, As in the present invention, for example, the mouth, ankle, and arch cannot have different configurations in terms of rubber width, color, and the like.

Further, in the former conventional example described above, similarly, the switching of the rubber thread is impossible, and if the switching is performed as in the present invention, it is necessary to install a large number of a pair of rolls including the upper roll 51 and the lower roll 52. Yes, the equipment becomes large and the cost is high.

Example Next, an example of the present invention will be described with reference to the drawings.

1 is an overall perspective view of an example of a rubber thread feed switching device according to the present invention, FIG. 2 is a front view of the device, FIG. 3 is a left side view of the device, and FIG. It is.

2 and 3, illustrations of a controller, a compression coil spring, and the like are omitted as appropriate.

The rubber thread feeding roller 1 is connected to a pulse motor 3 by a shaft 2. The rubber thread feeding rotor 1 is partially in the shape of a hollow wheel.

The pulse motor 3 is electrically connected to the controller 4 by a conducting wire 5. A rubber width control signal 6 is transmitted from the controller 4 to the pulse motor 3.

A plurality of rubber thread guide rolls (in this embodiment, two rubber thread guide rolls 7,
7) is installed.

A bearing 8 as shown in FIG. 4 is fitted in the center of the rubber thread guide rolls 7, 7, and the rubber thread guide rolls 7 are rotated by the bearing 8 in accordance with the rotation of the rubber thread feeding rotor 1. , 7 rotate.

The bearing 8 is supported by a shaft 10 of a rubber thread path attaching body 9. The thread path attachment 9 has a through hole 11 extending from one side to the other side. A bar 13 having a thread 12 at each end is inserted into the through hole 11, and both ends of the bar 13 are inserted. Screw the thread path support 14 to the threaded parts 12
Conclude with 5. Furthermore, the lower hole 1 of the thread path support 14
A thread path 17 is fitted to 6.

As shown in FIG. 1, a rubber thread 53 is passed through these thread paths 17.

Each of the rubber thread guide rolls 7 has a switching mechanism.

The switching mechanism 19 includes a controller as shown in FIG.
Electromagnetic solenoids 21 and 21 electrically connected by 14 and conductors 20 and 20, respectively, a bar 22 connecting the lower ends of the solenoids 21 and 21 and its upper thread 26, and a lower thread 24 of the bar 22 And a box 23 connected thereto.

An end screw portion 24 of the yarn path attaching body 9 is connected to a box 23, and the box 23 is screwed to a lower end screw portion 24 of the bar 22.

The electromagnetic solenoid unit 21 is actuated by the rubber thread switching control signal 25 from the controller 4, and the solenoid unit 21 and the bar 22 screwed with the upper end screw unit 26 move up and down by the electromagnetic force.

 A compression coil spring 27 is biased on the bar 22.

A spring force adjusting mechanism capable of appropriately changing the strong wings of the spring 27 is provided.

The adjusting mechanism is constituted by a cylindrical body 28 having a through hole in the center, and a screw hole 29 is provided on a side surface thereof.

Although not shown in the figure, by inserting a screw into the screw hole 29 and adjusting the vertical position of the cylindrical body 28 in the bar 22, the elasticity of the compression coil spring 27 can be made appropriate. As a result, a slipping effect of the rubber thread 53 between the surface of the rubber thread feeding rotor 1 and the surface of the rubber thread guide roll 7 or an action effect of being able to cope with a change in the diameter of the rubber thread 53 during operation of the device is exhibited. Can be.

FIG. 5 shows another embodiment of the present invention. In this embodiment, one rubber thread guide roll 7 and a thread path attachment 9 outside the rubber thread guide roll 7 are mounted inside a box 23 and a thread path support 14 is attached. Adjacent to reduce the width of the rubber thread feed rotor 1,
The load on the pulse motor 3 was reduced.

Next, an operation example of the rubber thread feed switching device according to the present invention will be described.

The rubber thread 53 is passed through the thread path 17 of the rubber thread guide roll 7 in advance.

If the switching of two types of rubber threads 53, 53 having different colors, counts, materials, etc. is cut (OFF) on each thread path 17 of the rubber thread guide rolls 7, 7, a general rubber thread 53 feeding device is provided. Can be used as

The rubber motor feeding rotor 1 is rotated by the pulse motor 3. The pulse motor 3 rotates based on a necessary feed amount command from the controller 4, and rotates the rubber thread feed rotor 1. The free rubber thread guide roll 7 is rotated by the rotation of the rubber thread feeding rotor 1.

The controller 4 transmits a rubber switching control command to the switching device 19.

Based on the instruction, the electromagnetic solenoid 21 of the switching device 19 operates the rubber thread guide roll 7 to lower the bar 22 or raise the bar 22 so that the rubber thread guide roll 7 comes into contact with the rubber thread feeding rotor 1. Or break the contact. Due to the contact, the rubber thread 53 is fed into the knitting machine rotating cylinder, and when the contact is released, the feeding of the rubber thread 53 is stopped.

 FIG. 6 shows an example of a flowchart of the above operation.

When the operation is started (START), a rubber width control command and a switching command (rubber thread feed command) are both output from the controller 4 (step 1).

When the rubber thread is not fed (N, NO), all rubber thread switching is turned off and the pulse motor is stopped (steps 2 and 3).

When the rubber thread feed command is YES (Y) and the rubber thread is fed,
The pulse motor is rotated according to the feed amount command (step 4). The number of the switching device is addressed, and the switching device of No. 1 is turned on or the switching device of No. 2 is turned on, and the switching is appropriately performed, and the sock as shown in FIG. 7 is knitted. (Steps 5, 6, 7, END).

According to the present invention, for example, as shown in FIG. 7, the ankle rubber has a smaller rubber width than the rubber width (X) of the rubber mouth portion 30A of the sock 30 so that the ankle portion can be made thinner or thinner. The part 30B can be woven in a form along the ankle using a rubber thread of a different color or material from the rubber part 30A, and the rubber part 30A or the ankle can be used to tighten the arch part. The arch portion 30C having a smaller rubber width than the rubber width (X) of the rubber portion 30B can be provided in a similar form.

[Effects of the Invention] As described above, according to the present invention, two or more types of rubber threads having different colors and counts can be provided at an arbitrary place and with a free rubber width by controlling the controller, exceeding the conventional device. A rubber thread feed switching device that can be knitted freely in one sock and has a switching mechanism as well as a feed mechanism can be provided.

The rubber thread feed switching device of the present invention can be widely applied to a case where a rubber thread needs to be fed, such as socks, pantyhose, and gloves.

[Brief description of the drawings]

1 is an overall perspective view of an example of a rubber thread feed switching device showing an embodiment of the present invention, FIG. 2 is a front view of the device, FIG. 3 is a left side view of the device, and FIG. FIG. 5 is an exploded view of a main part, FIG. 5 is a front view of a rubber thread feed switching device showing another embodiment of the present invention, FIG. 6 is a flowchart showing an embodiment of the present invention, and FIG. FIG. 8 and FIG. 9 are explanatory views of a conventional apparatus. 1 ... Rubber thread feed rotor 3 ... Pulse motor 4 ... Controller 7 ... Rubber thread guide roll 19 ... Switching mechanism 21 ... Electromagnetic solenoid part 22 ... Bar 27 ... Compression coil spring 28 ... Cylinder Contact mechanism) 53 rubber thread

Claims (3)

(57) [Claims] 1. A controller for performing rubber switching control and rubber width control, a pulse motor electrically connected to the controller and receiving a rubber width control signal from the controller, and a rubber thread feeding rotor rotated by the pulse motor. A plurality of rubber thread guide rolls rotated by the rotation of the rubber thread feeding rotor; and a rubber thread guide roll positioned between the rubber thread guide roll and the controller, and the rubber thread guide roll is raised based on rubber thread switching control from the controller. Alternatively, the knitting machine comprises a switching mechanism for the rubber thread guide roll electrically connected to the controller for switching the feeding of different types of rubber threads such as colors to the rotary cylinder of the knitting machine. Rubber yarn feed switching device. 2. A switching mechanism comprising: an electromagnetic solenoid electrically connected to a controller; a bar connected to the electromagnetic solenoid for raising and lowering a rubber thread guide roll; and a compression coil spring attached to the bar. The rubber yarn feed switching device for a knitting machine according to claim 1. 3. The device according to claim 2, wherein the switching mechanism has an adjusting mechanism for changing the elasticity of the compression coil spring.