KR20110071365A - Pile knitting apparatus for circular knitting machine - Google Patents

Abstract

PURPOSE: A pile knitting machine is provided to accurately and quickly knit a pile and to easily form a half pile and whole pile of a fabric. CONSTITUTION: A pile knitting machine of a circular knitting machine comprises an operation unit(130,140) for a knitting first and second piles at the left and right sides of an actuator. The operation unit for a knitting first pile comprises: upper and lower operation member(131a,131b) which is rotationally mounted from a pivot point at one side of a sinker cover; a first cylinder(132) having upper and lower piston rod(132a,132b) which independently rotates the upper and lower operation members; and a first bracket for supporting the first cylinder.

Description

File knitting device of circular knitting machine {PILE KNITTING APPARATUS FOR CIRCULAR KNITTING MACHINE}

The present invention relates to a circular knitting machine, and more particularly, to a pile knitting device of the circular knitting machine to enable faster and more accurate knitting of the pile structure of the knitting.

As is well known, a knitting machine is a kind of textile machine which produces a loop (nose) by knitting a thread supplied to a knitting needle, and twists the loop in the horizontal and vertical directions to produce the intended knitted fabric.

This knitting machine is composed of a feeding mechanism for supplying a thread to the knitting needle and a knitting device that performs a knitting movement to form a loop with the supplied yarn, and a warp knitting machine and a weft yarn for knitting the warp in the longitudinal direction. It is roughly divided into the knitting machine which knits in a horizontal direction.

Among these, the circular knitting machine belongs to the category of the knitting machine, and the needles are arranged in a circular shape on the cylinder to produce an annular knitted fabric continuously, and the annular knitted fabric is usually finished into clothing through a cutting process.

The circular knitting machine includes a rotating cylinder rotatably installed, a sinker bed installed at an upper side of the rotating cylinder, and a sinker cover installed at an upper portion of the sinker bed. The slotting needle is provided to be movable up and down, and a plurality of slots are formed in the sinker bed in the horizontal direction. Thus, a knitted fabric such as a sock is knitted by the cooperative operation of the knitting needle and the sinker. In this knitted fabric, file structures of various patterns are knitted.

On the other hand, the recent circular knitting machine is configured to knit the file organization on the knitting, and is provided with an actuator for knitting the file organization. A predetermined file pattern is input to the computer, and the actuator is automatically controlled according to the input file pattern. The actuator selects a part of the sinkers from the plurality of sinkers according to the file pattern, and the selected sinker is used to form the plain weave tissue. It is configured to move forward to organize the file organization on the knitting.

However, the conventional circular knitting machine has a disadvantage that the needle tip operation of the actuator does not correspond to the rotational speed of the rotating cylinder, and the knitting efficiency thereof is extremely reduced.

The present invention has been made in view of the above-mentioned, it is to configure the forward operation of the sinkers to easily correspond to the rotational speed of the cylinder at the time of knitting pile organization to enable a faster and more accurate file knitting operation The purpose is to provide a pile knitting device of a circular knitting machine.

The present invention for achieving the above object, the sinker bed is provided with a plurality of sinkers are moved back and forth, the rotating cylinder is installed so that the plurality of needles are movable, the sinker cover is installed on the sinker bed, the sinker cover In the pile knitting device of a circular knitting machine having an actuator installed on one side and picking a plurality of sinkers,

On the left and right sides of the actuator, the first and second pile knitting operation units are respectively installed.

The first pile knitting operation unit has a first upper and lower operating member rotatably installed on one side of the sinker cover with respect to a pivot point, and a first and lower piston rod for individually rotating the upper and lower operating members. A cylinder and a first bracket for supporting the first cylinder,

The second pile knitting operation unit includes an operating member rotatably installed on one side of the sinker cover with respect to a pivot point, a second cylinder having a piston rod for rotating the operating member, and a second supporting the second cylinder. It is characterized by comprising a bracket.

The sinker is divided into a sinker having a long first butt and a sinker having a short second butt, and an upper actuating member of the first pile knitting operation unit has the same upper surface as that of the first butt. Located at the height, the lower operation member of the first pile knitting operation unit is characterized in that the upper surface is located at the same height as the upper surface of the second butt.

The first bracket is fixed to the sinker cover side, an upper restoring spring is installed between the upper actuating member and the first cylinder, and a lower restoring spring is installed between the lower actuating member and the first cylinder. The upper and lower actuating members are characterized by having pivot points on the same axis.

The second bracket is fixed to the sinker cover side, characterized in that the restoring spring is installed between the operating member and the second bracket.

According to the present invention as described above, by arranging the first and second pile knitting operation units on each of the left and right sides of the actuator that pinches the sinker, the forward movement of the sinker can be quickly responded to the rotational speed of the rotary cylinder during the pile knitting operation. In this way, a faster and more accurate file organization can be easily implemented.

In addition, the present invention can implement the pile structure of the knitted fabric more precisely by operating the first and second pile knitting operation units according to the rotational direction of the rotary cylinder.

And, the present invention has the advantage that can easily form the half pile and the propagation work of the knitted fabric by operating the upper and lower operating members in the multi-stage on the operating unit side for the first pile knitting.

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

9A to 9C, an annular sinker bed 170 having a plurality of slots disposed at regular intervals so that the sinker 160 moves forward and backward is disposed below the sinker cover 100. The bed 170 is connected to the rotary cylinder 180, the rotary cylinder 180 is formed with a plurality of slots on the outer peripheral surface, the needle 181 is installed in the slot of the rotary cylinder 180 to move. Thus, the knitting needle 181 and the sinker 160 cooperate with each other to perform a predetermined knitting operation.

The sinker 160 has a plurality of grooves 163 in which the thread supplied by the feeding mechanism is seated in front thereof, and protrusions 161a, 161b, 161c, and 161d are formed at the rear end thereof, and a butt is formed on the middle upper surface thereof. 164a and 164b are formed.

As shown in FIGS. 1 to 5, one side of the sinker cover 100 of the circular knitting machine selectively advances a part of the sinkers of the plurality of sinkers 160 to electronically select the sinker 160 according to the pattern of the socks. The actuator 150 is installed.

As shown in FIG. 7, each of the sinkers 160 has protrusions 161a, 161b, 161c, and 161d formed at the rear end thereof, and the protrusions 161a, 161b, 161c, and 161d of each sinker 160 are each other. It is formed in different positions and is configured not to overlap each other. In addition, the electronic actuator 150 has a plurality of operation pieces 151a, 151b, and 151c. 151d configured to operate in the up and down direction, and the operation pieces 151a, 151b, and 151c.151d are protruding portions of the sinker 160. 161a, 161b, 161c, and 161d, respectively, and are installed in the number corresponding to the actuating pieces 151a, 151b, 151c, and 151d of the electronic actuator 150 according to the pattern of the socks. And selectively press 161b, 161c, 161d to selectively advance sinker 160.

Looking at this in more detail, Figure 8a shows that each operating piece (151a, 151b, 151c, 151d) of the electronic actuator 150 is operated to press the protrusions (161a, 161b, 161c, 161d) of each sinker 160 to the sinker A state in which 160 is selectively advanced is shown. The operation pieces 151a, 151b, 151c, and 151d of the electronic actuator 150 operate to select the sinker 160 according to a pattern pattern input on a program of the controller. In addition, as shown in FIG. 8B, when the respective operation pieces 151a, 151b, 151c, and 151d of the electronic actuator 150 do not operate, the sinker 160 may move backward.

As shown in FIGS. 3, 9A, 9B, and 9C, the sinker 160 is divided into two types of sinkers 160 having the different lengths of the butts 164a and 164b formed on the upper surface thereof. That is, it is divided into the sinker 160 having a long first butt 164a and the sinker 160 having a short second butt 164b. Accordingly, the sinker 160 having the first butt 164a is disposed in one half of the annular sinker bed 170, and the second butt 164b is disposed in the other half of the annular sinker bed 170. Excitation sinker 160 is disposed. Butts 164a and 164b of the sinker 160 are pressed by the operation members 131a, 131b and 141 of the first and second pile knitting operation units 130 and 140 which will be described later. Can move forward.

An annular sinker cam 120 is installed at the inner circumference of the base of the sinker cover 100, and a plurality of auxiliary cams 112, 113, 114, 115, and 116 are spaced apart in the outer diameter direction from the outside of the sinker cam 120. Is installed. In the knitting operation, the plurality of sinkers 160 are guided along the sinker passage whose butts 164a and 164b are formed by the sinker cam 120 and the auxiliary cams 112, 113, 114, 115, and 116.

On one side of the sinker cam 120, the sinker central cam 121 protrudes in the outer diameter direction, and the sinker protection cam 111 is installed outside the sinker central cam 121, and the sinker 160 and the sinker bed ( Even though vibrations are generated due to play between the slots of 170 and the sinker is broken, the fragments of the damaged sinker are protected by the sinker central cam 121 by the sinker protection cam 111. The knitting operation of the file pattern and the outfile pattern can be freely performed simultaneously or selectively.

In addition, first and second side cams 112 and 113 are disposed adjacent to both left and right sides of the sinker protection cam 111 among the plurality of auxiliary cams 112, 113, 114, 115, and 116. Grooves 111a and 111b are formed on the left and right sides of the sinker protection cam 111, and grooves 112a and 111 are also formed at respective ends of the first and second side cams 112 and 113 facing the grooves 111a and 111b. 113a) can be formed respectively.

In one groove 111a of the sinker protection cam 111 and the groove 112a of the first side cam 112, an upper operating member 131a and a lower operating member of the first pile knitting operation unit 130 described later. 131b may pass through.

In addition, the operation member 141 of the second pile knitting operation unit 140 to be described later may pass through the other groove 111b of the sinker protection cam 111 and the groove 113a of the second side chamber 113. have.

In addition, a rubber yarn adjustment groove 123 is formed at one side of the sinker cam 120, and a rubber yarn adjustment piece 118 is installed in the rubber yarn adjustment groove 123 so as to be able to move back and forth. The rubber adjusting piece 118 is configured to move the sinker 160 back and forth so that the sinker 160 can properly hang the rubber yarn. The rubber adjusting piece 118 is fixed to the end of the slider 118b, the slider 118b is slidably installed radially on one side of the sinker cover 100, and the bracket 118a on the top of the slider 118b. Is installed, the bracket 118a is fixed to the sinker cover 100 side through the fastener. The slider 118b is comprised so that it may advance back and forth by the piston rod 118e of the cylinder 118d, and the restoring spring 118c is connected to the slider 118b or the rubber adjustment piece 118. As shown in FIG.

In addition, the other side of the sinker cam 120, the door cam fitting portion 124 is formed, the door cam fitting portion 124 is fitted with a door cam 119, the door cam 119 is a bracket (119a) Installed in, the bracket 119a may be fixed through the fastener on the sinker cover 100 side. The door cam 119 is mainly used when replacing or repairing the sinker 160.

Meanwhile, the pile piece growth value of the present invention includes first and second pile knitting operation units 130 and 140 installed on the outer circumference of the sinker cover 100, as shown in FIGS. The first and second pile knitting operation units 130 and 140 are installed on the left and right sides based on the actuator 150.

The first pile knitting operation unit 130 has an upper operating member 131a and a lower operating member 131b rotatably installed on one side of the sinker cover 100 with respect to the pivot point 131e, and the upper and lower operations. A first cylinder 132 having an upper piston rod 132a and a lower piston rod 132b for individually rotating the members 131a and 131b, and a first bracket 135 for supporting the first cylinder 132; Include. The first bracket 135 is fixed to the sinker cover 100 side, and an upper restoring spring 133a is installed between the upper actuating member 131a and the first cylinder 132, and the lower actuating member 131b is provided. A lower restoring spring 133b is installed between the first cylinders 132, and the upper operating member 131a and the lower operating member 131b have a pivot point 131e on the same axis.

Meanwhile, the first pile knitting operation unit 130 is configured to advance the sinker 160 by rotating the upper and lower operating members 131a and 131b when the rotation cylinder 180 rotates in the forward direction.

9A to 9C, the upper surface of the front end portion 131d of the lower operation member 131b is positioned at the same height as the upper surface of the second butt 164b, and thus the front end portion 131d of the lower operation member 131b is disposed. ) May press both the first and second butts 164a and 164b of the sinker 160 as shown in FIG. 9B.

9A to 9C, the upper surface of the front end portion 131c of the upper operation member 131a is positioned at the same height as the upper surface of the first butt 164a, and the front end portion of the upper operation member 131a ( The lower surface of 131c is located higher than the upper surface of the second butt 164b. Accordingly, the front end portion 131c of the upper operation member 131a may press only the upper surface of the first butt 164a as shown in FIG. 9A, and the second butt 164b may not be pressed.

Accordingly, the upper operating member 131a and the lower operating member 131b operate as the upper piston rod 132a and the lower piston rod 132b of the first cylinder 132 advance, respectively, and the upper operating member 131a and the lower operating member. The member 131b rotates about the pivot point 131e, and the tip 131c of the upper actuating member 131a and the tip 131d of the lower actuating member 131b are shown in FIGS. 3 to 5. Likewise, after passing through the groove 111a of the sinker protection cam 111 and the groove 112a of the first side cam 112, the butts 164a and 164b of the sinker 160 are pressed.

When the upper piston rod 132a of the first cylinder 132 is advanced to press the upper operating member 131a, the upper operating member 131a rotates based on the pivot point 131e, and thus the upper operating member ( As shown in FIG. 9A, the tip portion 131c of the 131a presses only the first butt 164a of the sinker 160 so that only the sinker 160 having the first butt 164a may move forward toward the sinker cam 120. Can be. As described above, when the tip 131c of the upper operating member 131a advances the sinker 160 having the long first butt 164a by the rotation operation of the upper operating member 131a, the annular sinker bed ( Only the sinkers 160 having the first butt 164a disposed on only one half of the region on 170 may move to form a half pile on the surface of the socks.

In addition, when the lower piston rod 132b of the first cylinder 132 is advanced to press the lower operating member 131b, the lower operating member 131b rotates based on the pivot point 131e, and thus FIG. 9B. As shown in FIG. 3A, the tip 131d of the lower actuating member 131b presses both the first butt 164a and the second butt 164b of the sinker 160 so that all kinds of sinkers 160 are sinker cams ( 120) can be advanced. By rotating the lower actuating member 131b, the tip 131d of the lower actuating member 131b advances all the sinkers 160 having the first butt 164a and the second butt 164b of different lengths. As a result, a propagation day (also known as a tong pile) can be formed on the surface of the socks.

In addition, as shown in FIG. 9C, both the upper and lower piston rods 132a and 132b of the first cylinder 132 may be advanced to press both the upper operating member 131a and the lower operating member 131b.

As such, the present invention allows the upper and lower actuating members 131a and 131b to be operated in two stages individually or together, thereby advancing the two kinds of sinkers 160 having different lengths of the butts 164a and 164b individually or entirely. Can be. Thus, there is an advantage that can be more easily organized half-file or propagation days when knitting the file pile.

The second pile knitting operation unit 140, as shown in Figure 3 to 5, the operating member 141 rotatably installed on the side of the pivot point 141e on the side of the sinker cover 100, the operation A second cylinder 142 having a piston rod 142a for rotating the member 141, and a second bracket 145 for supporting the second cylinder 142. The second bracket 145 is fixed to the sinker cover 100 side, and the restoring spring 143 is installed between the operating member 141 and the second bracket 145, and the front end portion of the operating member 141 ( 141d may press both the first butt 164a and the second butt 164b of the sinker 160.

Accordingly, as the piston rod 142a of the second cylinder 142 is advanced, the operating member 141 rotates based on the pivot point 141e, and thus, the front end portion 141a of the operating member 141 is shown in FIGS. As shown in FIG. 5, after passing through the groove portion 111b of the sinker protection cam 111 and the groove portion 113a of the second side cam 113, the sinker (similar to the first pile knitting operation unit 130) is similar to that of the sinker protection cam 111. The sinker 160 is advanced by pressing the butts 164a and 164b of the 160. On the other hand, the second pile knitting operation unit 140 is configured to advance the sinker 160 by rotating the operating member 141 when the rotary cylinder 180 is rotated in the reverse direction when the pile organization of the heel portion of the socks do.

In this way, the present invention, the first and second pile knitting operation units 130 and 140 are installed on each of the left and right sides of the actuator 150, and the first and second pile knitting operation units 130 and 140 are provided. As each of the operating members 131a, 131b, and 141 rotates and advances the sinkers 160, there is an advantage in that a faster and more accurate pile knitting can be realized.

In addition, according to the present invention, as the first and second pile knitting operation units 130 and 140 are driven individually according to the rotation direction of the rotary cylinder 180, the pile knitting efficiency is not only improved but also a more precise pile structure is formed. There is an advantage to this.

1 is a perspective view showing the upper sinker cover of the circular knitting machine to which the pile knitting device of the present invention is applied.

Figure 2 is an exploded perspective view showing a pile knitting device and a sinker cover of the present invention.

3 is a partial perspective view showing the relationship between the pile knitting device and the sinker cam of the present invention.

4 is a plan view showing an upper surface of the sinker cover to which the pile knitting device of the present invention is applied.

Figure 5 is a bottom view showing the bottom of the sinker cover to which the pile knitting device of the present invention is applied.

FIG. 6 is a side view of the first pile knitting operation unit shown along the arrow A in FIG.

7 is a perspective view showing the relationship between the electric actuator and the sinkers used in the present invention.

8A and 8B are cross-sectional views taken along the line B-B of FIG. 4, showing cross-sectional relationships between the electronic actuator and the sinkers.

9A to 9C are cross-sectional views taken along the line C-C of FIG. 4 and show an operation relationship between the first pile knitting operation unit and the sinkers.

Brief description of symbols for the main parts of the drawings

130: operating unit for the first pile

131a: upper operating member 131b: lower operating member

132: first cylinder 135: first bracket

140: operation unit for the second pile

141: operating member 142: second cylinder

145: second bracket

Claims (4)

A sinker bed having a plurality of sinkers installed in a forward and backward direction, a rotating cylinder in which a plurality of needles are installed in a movable motion, a sinker cover having a sinker cam installed at an upper portion of the sinker bed to guide the sinker, and installed at one side of the sinker cover. In the pile knitting device of the circular knitting machine having an actuator to select a plurality of sinkers, On the left and right sides of the actuator, the first and second pile knitting operation units are respectively installed. The first pile knitting operation unit has a first upper and lower operating member rotatably installed on one side of the sinker cover with respect to a pivot point, and a first and lower piston rod for individually rotating the upper and lower operating members. A cylinder and a first bracket for supporting the first cylinder, The second pile knitting operation unit includes an operating member rotatably installed on one side of the sinker cover with respect to a pivot point, a second cylinder having a piston rod for rotating the operating member, and a second bracket for supporting the second cylinder. File knitting device of the circular knitting machine characterized in that it comprises. The method of claim 1, The sinker is divided into a sinker having a long first butt and a sinker having a short second butt, and an upper actuating member of the first pile knitting operation unit has the same upper surface as that of the first butt. Located in the height, the lower operation member of the operation unit for the first pile knitting, the upper surface of the pile knitting device of the circular knitting machine, characterized in that located at the same height as the upper surface of the second butt. The method of claim 1, The first bracket is fixed to the sinker cover side, an upper restoring spring is installed between the upper actuating member and the first cylinder, and a lower restoring spring is installed between the lower actuating member and the first cylinder. A pile knitting device of a circular knitting machine, characterized in that the upper and lower operating members have a pivot point on the same axis. The method of claim 1, The second bracket is fixed to the sinker cover side, the pile knitting device of the circular knitting machine, characterized in that the restoring spring is installed between the operating member and the second bracket.

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