KR20200126659A - A Color Yarn Guide Device For Circular Knitting Machine - Google Patents

Abstract

The present invention relates to a color yarn guide device for a circular knitting machine and, more specifically, to a color yarn guide device for a circular knitting machine, which guides a color yarn and a raw yarn supplied through first and second yarn guide members which are integrally formed by being fixed to a side cover provided on a side part of a striper main body to be vertically bent. According to the present invention, the color yarn guide device comprises: a horizontal bent part horizontally bent and extended to allow a striper finger of the circular knitting machine to move forward and backward thereover; and a color yarn guide member having at least two different holes for a color yarn and a raw yarn formed on the lower end of a protruding piece protruding from the lower end of the horizontal bent part. Accordingly, since the holes for the color yarn and the raw yarn are differently formed on the lower end of a color yarn feeding guide member to directly guide the color yarn and raw yarn guided from a yarn guide member to the color yarn feeding guide member, an existing guide roll is not required, such that a structure is simplified, thereby reducing manufacturing costs. Moreover, the color yarn and the raw yarn are smoothly guided without entanglement, thereby providing an effect of increasing the speed of the apparatus.

Description

A Color Yarn Guide Device For Circular Knitting Machine}

The present invention relates to a color yarn supply device for a circular knitting machine, and more particularly, to a color yarn supply guide device that smoothly guides the colored yarn without being mixed with the yarn in a circular knitting machine that automatically changes the color yarn by a striper to change the stripe pattern.

In general, a knitting machine is one of the looms for weaving so that a row of yarns are connected in a row to form various patterns or patterns while the yarns are woven roundly. In general, a circular knitting machine is a cylinder to supply colored yarn to the knitting needle. A plurality of needle grooves are formed on the outer periphery so as to extend in the axial direction, accommodate a knitting needle so as to slide freely in the vertical direction to each needle groove, and assemble a cam to control or operate the knitting needle to face the cylinder to the cam holder, The sinker operating with the knitting needle during knitting is controlled by being in contact with the sinker dial assembled in the horizontal direction, and a striper combined with a plurality of yarn guides guiding the color yarn to the knitting needle is assembled inside the cylinder.

Examples of such a circular knitting machine are Korean Patent No. 10-0458925 (registered on November 18, 2004) and Korean Patent No. 10-1169326 (registered on July 23, 2012) discloses an auto striper module for a circular knitting machine.

In addition, in order to supply colored yarn with yarn in such a circular knitting machine, Korean Utility Model Publication No. 20-0154265 (registration date May 18, 1999) states that various yarns supplied to the needle through an idling roller are provided with a constant tension. A first yarn guide fixing hole for assembling the feeding device assembly unit together with a first yarn guide intended to be supplied to the tile unit is formed with an installation member assembly hole for coupling the installation member to the tile unit. An assembly member having a fixing hole for assembling the thread guide member, a second yarn guide fixing hole for assembling a second yarn guide together with an installation member in the assembly member assembly hole of the assembly member, and the assembly member in the center An installation member having a screw guide member on one side and a fixing hole for assembling the installation member on the other side, and a projection and a screw guide hole having a fixing hole for assembling with the installation member in the fixing hole formed under the assembly member. And, there is disclosed a guide device for supplying a thread with a constant tension to a needle of a circular knitting machine composed of a yarn guide member having a yarn guide groove.

However, the above-described conventional thread guide device has a problem in that the yarn and the colored yarn may be entangled with each other due to a complicated structure including a roller, and the supply of the colored yarn is not smooth, and the guide roller is protruding and installed to make the device more compact. Had been required.

Domestic registered patent No. 10-0458925 (registered on November 18, 2004) Domestic registered patent No. 10-1169326 (registered on July 23, 2012) Korean Utility Model Publication No. 20-0154265 (Registration Date May 18, 1999)

An object of the present invention is to solve the problem of the guide device for supplying color yarn of the circular knitting machine of the prior art, by separately forming holes for supplying color yarn and yarn at the bottom of the guide member so that the color yarn and yarn do not entangle or contact each other. It is to provide an improved color yarn supply guide device for circular knitting machines by simplifying the structure without using a separate guide roller.

In order to achieve the above object, the color yarn supply guide device for a circular knitting machine according to the present invention is fixed to the side cover provided on the side of the striper body and bent up and down to form an integrally formed first yarn guide member and a second yarn guide member. In the color yarn supply guide device for a circular knitting machine configured to guide the supplied color yarn and yarn,

The color yarn supply guide device is separate from each other by using at least two colors and yarns on a horizontal bent portion that is horizontally bent and extended so that the striper finger of the circular knitting machine can be moved back and forth, and a protruding piece protruding from the bottom of the horizontal bent portion. The holes are configured to include a color guide member formed at the bottom.

The color yarn guide member is formed by bending a fixing portion fixed to a lower end of a support member fixed to one side of the side cover from a side portion of the striper body to the other side, and toward the ends of the fingers.

The horizontal bent portion of the color yarn guide member extends horizontally and is then formed in a curved curved shape.

The color yarn supply guide device for a circular knitting machine according to the present invention forms holes for supplying color yarn and yarn separately at the lower end of the color yarn supply guide member, so that the color yarn and yarn supplied from the yarn guide member are directly guided to the color yarn supply guide member. Since the guide roller is not required, the structure can be simplified to reduce the manufacturing cost, and the finger can move smoothly beyond the horizontal bend, enabling high-speed operation of the finger, and the guide of the colored yarn and the yarn is smooth without intertwining. It has the effect of improving the speed of the device.

1 is a plan view showing a state in which a finger push lever is pressed by a push pin set of a circular knitting machine striper according to the present invention so that the upper protrusion of one end of the finger is lowered and the lower protrusion protrudes, so that the finger is in preparation for advancement.
FIG. 2 is a plan view showing the advance of the finger by engaging the cam member provided below one end of the finger and the lower protrusion of the finger in FIG. 1;
3 is a perspective view of a circular knitting machine striper equipped with a color yarn supply guide device for a circular knitting machine according to the present invention.
4 is a perspective view of a state in which the color yarn supply guide member is separated from FIG. 3;
5 is a front view of the color yarn supply guide device of FIG. 3.
Figure 6 is a photograph of the state of use showing a state in which color yarn is supplied.
7 is a perspective view showing the movement of the finger beyond the color yarn supply guide device when the finger of the circular knitting machine in FIG. 6 is operated.

Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings showing embodiments of the present invention.

In Figures 1 and 2, the striper body 1 for a circular knitting machine according to the present invention is a plurality of between the cover plates 2 on both sides spaced apart, in the embodiment shown in the figure, four sets of push pins and release pins Set (12-1, 13-1) (12-2, 13-2) (12-3, 13-3) (12-4, 13-4) and the rotation shaft ( The pivoting lever 16 disposed on the support disc 15 provided to rotate left and right around the 17), and a pressing protrusion 18 formed by protruding downward from the center of the pivoting lever in connection with the operation of the pivoting lever 16 ), a finger push lever 30 configured to rotate downward about the rotation shaft 33, a finger 20 disposed to be able to rotate downward and forward and backward to supply color yarn, and a downward rotation of the finger 20 It includes a spring member 60 for providing an elastic force in an upward direction at the original position and a cutting blade 50 that is rotatably installed so as to cut the colored yarn supplied by the fingers by interlocking with each other when the fingers 20 move forward and backward.

When the push pins 12-1,12-2,12-3,12-4 are pressed and the lower end of the rotation lever 16 rotates clockwise by pressing the right side of the rotation axis of the rotation lever 16 in the drawing, the left side of the rotation axis As it rises, the release pins 13-1, 13-2, 13-3, and 13-4 in contact with the right side of the rotation lever 16 protrude upward, and when the release pins are pressed, they are opposite to the above. The push pins rise.

The rotation lever 16 is arranged to be rotatable left and right on the rotation shaft 17, and push pins 12-1, 12-2, 12-3, 12-4 on the right side around the rotation shaft 17 With each of them arranged, release pins (13-1, 13-2, 13-3, 13-4) are respectively arranged on the left side of the rotation axis, and the pressing protrusion 18 downwards about the rotation axis Is formed to be in contact with the upper surface of the finger push lever 30.

In addition, the upper surface of the finger push lever 30 is formed by protruding a cam surface 31, and the cam surface 31 is in contact with the lower end of the pressing protrusion 18 when the rotation lever 16 is rotated, as described later. Likewise, the finger 20 is rotated downward.

The finger 20 has an upper protrusion 21 protruding upward at one end thereof and a lower protrusion 22 protruding downward, and the other end two branches 24 separated from each other. ,25) are formed, and the branch portions 24 and 25 are guided when moving forward and backward by the guide pin 42 disposed therebetween, and the guide pin 42 rotates downward at one end to be described later. It acts as a rotation axis.

Holes are formed at the free ends of the branches 24 and 25 to penetrate the colored yarn, and the colored yarn is supplied through the forward and backward motion of the fingers 20. In addition, an intermediate protrusion 27 in contact with the horizontally bent free end of the spring member 60 is formed below the middle portion of the finger 20, and the horizontally bent portion of the spring member 60 The free end also elastically supports the middle portion of the finger and provides an elastic force so that it can be repositioned against the downwardly pivoted finger.

In addition, the protruding jaw 26 is formed to protrude upwardly on the upper surface adjacent to the branch where the branch part 24 is branched, so that the finger push lever 30 is attached to the pressing protrusion 18 of the rotation lever 16. When pressed downward by the finger push lever 30, the protruding jaw 26 of the finger contacts the bottom surface of the finger, so that the finger 20 moves downward around the guide pin 42, in a clockwise direction in the drawing ( It rotates against the elastic force of 60). At this time, the upper protrusion 21 formed at one end of the finger 20 descends and the lower protrusion 22 protrudes.

The circular knitting machine striper operates as follows. As shown in FIG. 1, when the push pins 12-1, 12-2, 12-3, 12-4 are pressed by the rotation lever as shown in FIG. 1 by an actuator not shown in the drawing, the lower part of the When the rotation lever is rotated clockwise by pressing the right side of the rotation axis of the rotation lever 16, the left side of the rotation axis rises, so that the release pins 13-1, 13-2, 13- in contact with the right side of the rotation lever 16 3, 13-4) protrude upward, and when the release pins are pressed, the push pins rise opposite to the above.

In this state, the cam member 70 is pushed to the right in the drawing while in contact with the lower protrusion 22, so that the finger 20 advances to the right as shown in FIG. 2, and then as shown in FIG. When retreating, it attracts and supplies color yarn. The movement of the finger 20 is stopped by contacting the upper protrusion 21 at one end of the finger with the stopper pin 41, and the movement of the finger is performed between the branches 24 and 25 formed on the other side of the finger. It is guided linearly by the guide pin 42 provided in the device and moves smoothly without noise.

As the finger 20 moves from FIG. 1 to the position of FIG. 2, the intermediate protrusion 27 formed at the lower middle of the finger pushes the cutting blade 50 as shown in FIG. 2 to insert the guide pin 51. The cutting blade rotates clockwise along the downwardly curved slot 46.

Then, when the release pins 13-1, 13-2, 13-3, 13-4 protruding by the actuator are pressed, the pressing protrusion 18 of the rotation lever 16 is shown in FIG. Is moved to a position in contact with the upper surface of the finger push lever 30, and the push pins 12-1,12-2,12-3,12-4 are first protruded from the pressed state, and the finger The upper protrusion 21 at one end of the 20 is raised at the position of FIG. 5. At this time, the upper protrusion 21 of the finger 20 raised by the cam member 80 is moved to the initial position to the position of FIG. 1. At this time, the cutting blade 50 is rotated counterclockwise at the position shown in FIG. 2 and cuts the colored yarn supplied by the branch unit 25 to be supplied to a knitting needle not shown in the drawing.

As described above, in the striper of the circular knitting machine according to the present invention, the other end of the finger 20 is formed to be spaced apart from the two branch portions 24 and 25, and the guide pin 42 is provided between them so that the finger is linearly smooth. The reciprocating motion is possible, and in conjunction with this, the cutting operation of the cutting blade 50 is also made smoothly.

According to the present invention, a color yarn supply guide device is provided on the side of the striper body 1 at the branch portions of the finger 20.

The color yarn supply guide device includes a support member 120 fixed to one side of the side cover 100 fixed to the side of the striper body 1 as shown in FIGS. 3 to 5, and the support member 120 A horizontal bent portion 132 that is horizontally bent and extended from the side of the striper body 1 to the other side of the striper body 1 at the fixed portion 131 fixed at the lower end of the finger 20 and a protrusion protruding downward from the bottom A color yarn guide member 130 having at least one, preferably at least two holes 134 and 135 formed on the piece 133, is provided, and the upper end of the horizontal bent portion 132 of the color yarn guide member 130 extends horizontally And then curved upward.

The hole 134 is a color hole, and the hole 135 formed next to it is a hole for supplying extra color yarn or for supplying yarn.

The colored yarn supplied through the first yarn guide member 110 and the second yarn guide member 111 formed integrally by being fixed to the side cover 100 of the striper body 1 and bent up and down It is introduced through the color use hole 134 of the provided color yarn guide member 130.

6, the color yarn and yarn supplied through the first yarn guide member 110 and the second yarn guide member 111 are the second yarn guide member 111 of the first yarn guide member 110. ) Through the holes 134 and 135 of the color yarn guide member 130, and then extend adjacent to the branching portions 24 and 25 formed on the other side of the fingers 20 provided adjacent thereto, so that a needle not shown in the drawing It is captured by and is cut by the cutting blade 50.

In this way, a yarn-using hole 135 is formed adjacent to the coloring-use hole 134 at the lower end of the color yarn guide member 130 so that the color yarn and yarn may be supplied together, and the color yarn and yarn supply hole are separate It is divided into and can be supplied smoothly without friction or entanglement with each other.

In addition, when the finger moves over the bent horizontal bent portion 132 of the color yarn guide member 130 as shown in FIG. 7 during operation of the finger 20, the horizontal bent portion 132 of the color yarn guide member 130 is bent. In this state, it is extended horizontally so that the operation of the finger is not disturbed, and the problem of tangling the thread does not occur at all during operation of the finger, so that the finger can be operated at high speed.

The present invention may be used in a striper of a circular knitting machine so that color yarn supply to a finger can be made more quickly and smoothly.

1: striper body 2: cover plate
12-1,12-2,12-3,12-4: push pin 13-1,13-2,13-3,13-4: release pin
15: support disc 16: rotation lever
17: rotating shaft 18: pressing protrusion
20: finger 21, 22: protrusion
24,25: branch 27: intermediate protrusion
30: finger push lever 41: stopper pin
42: guide pin 46: slot
50: cutting blade 51: guide pin
60: spring member 100: side cover
120: support member 130: color yarn guide member
131: fixed part 132: horizontal bent part
134,135: Hall

Claims (3)

In the color yarn supply guide device for a circular knitting machine configured to guide the color yarn and yarn supplied through the first yarn guide member and the second yarn guide member formed integrally by being fixed to the side cover provided on the side of the striper body and bent up and down,
The color yarn supply guide device is separate from each other by using at least two colors and yarns on a horizontal bent portion that is horizontally bent and extended so that the striper finger of the circular knitting machine can be moved back and forth, and a protruding piece protruding from the bottom of the horizontal bent portion. The color yarn supply guide device for a circular knitting machine, characterized in that it comprises a color yarn guide member formed at the bottom of the hole. The method of claim 1,
The color yarn guide member is formed by bending from the side of the striper body to the other side from the fixing part fixed to the lower end of the support member fixed to one side of the side cover, and bent toward the ends of the fingers. The method of claim 2,
The horizontally bent portion of the color yarn guide member extends horizontally and then is formed in a curved curved shape.

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