JP2003013343A - Yarn feeder in flat knitting machine, cylindrical knitted fabric having stripped pattern and method for knitting the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a cylindrical knitted fabric which can eliminate crossed yarns W, can improve productivity, can reduce production cost, and has a stripped pattern having an excellent design, to provide a method for knitting the fabric, and to provide a feeder in a flat knitting machine for knitting the fabric. SOLUTION: This yarn feeder attached to a flat knitting machine having at least one pair of front and rear needle beds in which knitting needles are received in a state capable of being advanced or retreated are disposed is characterized by having bases capable of being reciprocated on the needle beds in interlock with a carriage, and yarn feeders rotatably pivotally supported on the bases, having at least two feeding ports in each yarn feeder, and forming the yarn feeders in a state capable of being rotated with a rotation control means.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a yarn feeding device for forming a striped pattern on a tubular knitted fabric such as socks, gloves, sweaters, and bandages when knitting with a flat knitting machine. The present invention relates to a tubular knitted fabric having a striped pattern formed by using this yarn feeder and a knitting method of the tubular knitted fabric having a striped pattern.

[0002]

2. Description of the Related Art When a striped pattern is formed on a tubular knitted fabric such as socks, gloves, sweaters or belly rolls using a flat knitting machine, the knitting yarns are fed in a circular shape to the front and rear needle beds. After knitting a predetermined course to form one stripe, for example, by selecting and switching knitting yarns of different colors and knitting a predetermined course,
After forming a new stripe, the original knitting yarn is switched again to form a stripe pattern. By repeating this, the striped pattern 41 formed in an annular shape with a predetermined width as shown in FIG. 9 is formed.

[0003]

In the striped pattern 41 formed as described above, since the striped pattern 41 is formed in an annular shape on the peripheral surface of the tubular knitted fabric, even if the position at which it is viewed changes. There was no change and it was interesting.
Further, in the above-described conventional striped pattern 41, as shown in FIG. 9, a bridging yarn W which is floated up between the same colors forming a stripe is formed. Therefore, it is necessary to dispose of the crossover yarn W, and it takes a lot of time and effort to dispose of the crossover thread W, so that not only the productivity is lowered, but also the manufacturing cost is increased. Therefore, the present invention has been proposed in view of the above problems, and it is possible to eliminate the crossover yarn W to improve the productivity and reduce the production cost, and a tubular knitted fabric having a striped pattern with an excellent design feeling, and An object of the present invention is to provide a knitting method and a yarn feeding device in a flat knitting machine for knitting the knitting method.

[0004]

In order to achieve the above object, a yarn feeding device in a flat knitting machine for knitting a tubular knitted fabric having a striped pattern according to the present invention is a needle in which a knitting needle is accommodated so as to be able to advance and retract. A yarn feeding device attached to a flat knitting machine having at least a pair of front and rear beds, the base reciprocating on a needle bed in conjunction with a carriage, and a yarn feeder rotatably supported on the base. The yarn feeder has at least two or more yarn feeders, and the rotation control means is configured to control the rotation of the yarn feeder.

Next, in the yarn feeder in the flat knitting machine for knitting the tubular knitted fabric having the striped pattern according to the present invention, the rotary teeth formed on a part of the yarn feeder and the rotary teeth are timed. The rotation control means is composed of the rotation drive tooth which is engaged and disengaged by the interlocking means, and the posture holding means which holds the posture of the yarn feeder which is rotated when reciprocating on the needle bed in conjunction with the carriage. What has been done is also a feature.

Further, the method for knitting a tubular knitted fabric having a striped pattern according to the present invention comprises a needle bed of a flat knitting machine having at least a pair of front and rear needle beds accommodating knitting needles that can be moved forward and backward. A method for knitting a tubular knitted fabric, in which a plurality of knitting yarns are knitted from at least one yarn feeder that reciprocates on a needle bed in conjunction with reciprocating sliding movement of a carriage. The yarn is fed in different positions in the front and back, and the knitting yarn that appears on the surface of the knitted fabric part that is knitted by the front and back needle beds is made different,
At least on one side where the traveling direction of the yarn feeder is switched on both end sides of the needle bed, by changing the front and rear positions of a plurality of knitting yarns fed from the yarn feeder,
It is characterized in that a striped pattern in which the knitting yarn is switched is formed at the position changing portion of the knitting yarn.

In the tubular knitted fabric having a striped pattern, the knitting yarn is circulated from the yarn feeding device to the needle bed of the flat knitting machine in which at least a pair of front and rear needle beds accommodating the knitting needles are provided. A tubular knitted fabric that is knitted by a plurality of knitting yarns having different front and rear positions from at least one yarn feeder that reciprocates on a needle bed in association with reciprocal sliding of a carriage. Then, knitting yarns appearing on the surface of the knitted fabric part that are knitted in the front and rear needle beds are knitted in different states to form stripes of a predetermined width, and the running direction of the yarn feeders on both end sides of the needle bed is On at least one side of switching, the positions are changed before and after a plurality of knitting yarns fed from the yarn feeder, and knitting is performed for a predetermined course to form stripes of a predetermined width, so that the knitting yarn at the position changing portion of the knitting yarn is changed. But It is characterized in that it has a modified was striped.

[0008]

DETAILED DESCRIPTION OF THE INVENTION The present invention will be described below with reference to the drawings. FIG. 1 is a front view of a flat knitting machine for knitting socks and gloves according to the present invention, in which reference numeral 1 generally indicates the flat knitting machine. Although details of this flat knitting machine 1 are omitted, at least a pair of front and rear needle beds accommodating knitting needles are provided inside the cover 2, and a carriage accommodating a plurality of cam groups carries a yarn feeding device. When sliding on the needle bed, the tubular knitted fabric such as socks or gloves can be knitted by the yarn feeding from the yarn feeding device.

The yarn feeder is constructed as shown in FIG. That is, FIG. 2 is a schematic view of the yarn feeding mechanism, which is generally called "us", a tension adjusting mechanism 4 for applying an appropriate tension to the yarn feeder 3, and the tension adjusting mechanism 4 adjusts the tension. And a plurality of knitting yarns (two knitting yarns of two different colors in this example) 5 and 6. The tension adjusting mechanism 4 is formed by erecting a support base 7 from a frame (not shown) of a flat knitting machine, and providing a clamp type tensioner 9 at the tip of a piano wire 8 extending from the support base 7. There is.

As shown in FIGS. 2 and 3, the yarn feeder 3 to which the knitting yarns 5 and 6 are supplied from the tension adjusting mechanism 4 has a guide shaft whose both ends are supported by the frame of the flat knitting machine. A base 11 is slidably disposed on the shaft 10, and is rotatably supported by a plate-shaped tip portion of the base 11, and has rotating teeth 15 of a rotation control means 14, which will be described later, at its upper end.
And the oval clamped portion 1 of the posture holding means 17 below
9 are formed in order, and the two yarn feeders 12 and 13 are formed so as to penetrate from the upper end to the lower end. A portion 20 of the lower end portion where the two yarn feeders 12 and 13 are formed is provided with a downward tapered taper-shaped yarn feeder forming block 20 having a “V” or “U” shape in a front view. The yarn feeders 12 and 13 are formed in a penetrating manner at the left and right ends of the block 20.

Therefore, the lower end openings 12a and 13a of the yarn feeders 12 and 13 are opened to the "V" or "U" shaped inclined surface portion 20a of the yarn feeder forming block, and both lower end openings 12a. The lower end portion (leading side knitting yarn pressing portion) 20b of the yarn feeder block between 13a is the lower end opening portion 12a.
It is located below 13a. The positions of the two yarn feeders 12 and 13 with respect to the traveling direction can be changed by the rotation control means 14. The rotation control means 14 includes a rotary tooth 15 formed on the upper end portion of the yarn feeder 3 and a rotary drive tooth 16 (see FIG. 4) that is engaged with and disengaged from the rotary tooth 15 by a timing interlocking means described later. , The yarn feeder 3 is rotated when the yarn feeder 3 slides back and forth on the needle bed in conjunction with the carriage.
And a posture holding means 17 for holding the posture.

Although not shown in detail, the timing interlocking means controls the drive of the flat knitting machine by grasping the position of the carriage, and at the same time, a computer control device for accurately detecting the position of the yarn feeder 3. As shown in FIG. 4, a signal from this computer control device causes the rotary drive tooth 16 to mesh with the rotary tooth 15 formed on the upper end portion of the yarn feeder 3 at the position shown in the solid line diagram and the imaginary diagram in which the meshing is achieved. It is formed by a solenoid 18 which is switched to the position. The rotary drive tooth 16 is provided at the tip of the rod 21 which is oscillated by the solenoid 18, and the number of teeth is sufficient to rotate the rotary tooth 15 by about 180 degrees. Further, the posture holding means 17 is used for the rotary teeth 15 of the yarn feeder 6.
A sandwiched portion 19 having an oval cross section and a sandwiching fixture 22 made of an elastic material and sandwiched from the outside of the sandwiched portion 19 (see FIG. 3).

The yarn feeder 3 constructed as described above
The action of will be described below. First, knitting yarns 5 and 6 having different colors (thread quality) such as blue gray and white are respectively inserted into the left and right yarn feeders 12 and 13 so that the yarns can be fed to the needle bed. Here, in FIGS. 5 and 6, the yarn feeder 12 through which the blue-gray knitting yarn 5 is inserted is shown by a black circle, and the yarn feeder 13 through which the white knitting yarn 6 is inserted is shown by a white circle. Right now, the yarn feeder 3
When the knitted fabric is carried from the left to the right (in the direction of the arrow X in FIG. 5) and the knitted fabric is knitted on the front needle bed, the blue-gray knitting yarn 5 on the leading side becomes the lower end portion 20b of the yarn feeder block 20. And the white knitting yarn 6 on the trailing side is fed in a state of being positioned above. Therefore, blue gray 5 appears on the surface of the knitted fabric (sock) 30 knitted by the front needle bed (A portion in FIG. 8).

Next, the carriage reverses and slides back from right to left, and the yarn feeder 3 is carried along from right to left (direction of arrow Y in FIG. 5), and the knitted fabric is formed on the rear needle bed. When 30 is knitted, the white knitting yarn 6 on the leading side is pressed downward by the lower end portion 20b of the yarn feeder block 20 and the blue-gray knitting yarn 5 is positioned upward on the trailing side. Is fed in. As a result, the white knitting yarn 6 appears on the surface of the knitted fabric 30 knitted by the rear needle bed (portion B in FIG. 8).

Then, when the color of the knitting yarn appearing on the surface of the knitted fabric knitted by the front and rear needle beds becomes the portion C in FIG. 8, the yarn feeder 3 carried by the carriage is carried out.
The computer controller detects that the needle is out of the knitting area of the knitted fabric of the needle bed, and based on this detection, the solenoid 18 outputs the rod 21 by the output from the computer controller.
Rocking drive. By the swinging drive of the rod 21, the rotational drive tooth 16 is brought into the position shown by the solid line in FIG. 4 so as to mesh with the rotational tooth 15 formed on the upper end portion of the yarn feeder 3.
When the yarn feeder 3 moves further to the right with the rotary drive teeth 16 and the rotary teeth 15 meshing with each other, the yarn feeder 3 rotates 180 degrees clockwise as shown in FIG. 6, and the positions of the yarn feeders 12 and 13 are switched. .

The positions of the yarn feeders 12 and 13 have been switched to FIG.
In this state, the output from the computer control unit is cut off, the meshing between the rotary tooth 15 and the rotary drive tooth 16 is released, and the state shown in the phantom diagram in FIG. 4 is reached.
The switched position of 13 holds the posture because the holding fixture 20 of the meshing posture holding means 17 holds the held portion 19 having an oval cross section of the yarn feeder 3. After that, when the yarn feeder 3 is entrained by the carriage and slides on the needle bed from left to right (the direction of arrow X1 in FIG. 3), the knitted fabric knitted on the front needle bed produces a white knitting yarn 6 Is the leading side, and the lower end portion 20b of the yarn feeder block 20 is
Since the blue-gray knitting yarn 5 on the trailing side is fed in a state of being positioned above, the yarn is kneaded on the surface of the knitted fabric knitted on the front needle bed, contrary to the above. White knitting yarn 6 appears (D portion in FIG. 8).

Subsequently, the carriage slides back from right to left, the yarn feeder 3 is carried from right to left (in the direction of arrow Y in FIG. 5), and the knitted fabric is knitted on the needle bed 2 at the rear. Then, the blue-gray knitting yarn 5 which is the leading side is pressed downward by the lower end portion 20b of the yarn feeder block 20 and the white knitting yarn 6 is fed in a state of being positioned upward on the trailing side. To be done. As a result, the blue-gray knitting yarn 5 appears on the surface of the knitted fabric knitted by the rear needle bed 2 (portion E in FIG. 8).

Further, at the position F in FIG. 8 where the colors of the knitting yarns appearing on the surface of the knitted fabric knitted by the front and rear needle beds are exchanged, the yarn feeder 3 carried by the carriage knits the knitted fabric of the needle bed. Outside the region, the computer control unit detects that the position is outside the rotary drive tooth 16 (on the end side of the needle bed) in FIG. 7, and the solenoid 18 is driven by the output from the computer control unit to cause the rod 21 to move. Is oscillated to bring the rotary drive tooth 16 into a position where it meshes with the rotary tooth 15. When the yarn feeder 3 further moves to the left with the rotary drive teeth 16 and the rotary teeth 15 meshing with each other, the yarn feeder 3 rotates 180 degrees counterclockwise in the figure, and the positions of the yarn feeders 12 and 13 are switched. When the positions of the yarn feeders 12 and 13 are switched, the output from the computer control device is cut off and the engagement between the rotary tooth 15 and the rotary drive tooth 16 is released. At the switched positions of 12 and 13, the holding fixture 20 of the meshing posture holding means 17 holds the held portion 19 having an oval cross section of the yarn feeder 3 to hold the posture.

As described above, the yarn feeder 3 is set to 18
The reason why the clockwise direction and the counterclockwise direction are alternately rotated by 0 degree is to prevent the knitting yarn from being twisted when it is rotated in either one direction. Also,
In the above embodiment, the yarn feeder 9 is replaced with the yarn feeder block 1
Although it is formed on the left and right sides of 1, it is needless to say that two or more can be formed. Further, in the above-described embodiment, the rotation control means 14 is provided with the rotary teeth 15 formed on the upper end of the yarn feeder 3, and the rotary drive teeth 16 which are operated to be engaged with and disengaged from the rotary teeth 15 by the timing interlocking means described later. However, the present invention is not limited to this, and the yarn feeder 3 may be rotated by 180 degrees alternately by the rotary solenoid in the clockwise direction and the counterclockwise direction. In this case, since the rotary solenoid can be directly rotated by the control device of the flat knitting machine, the structure can be simplified.

[0020]

As described above, according to the present invention, a plurality of knitting yarns are moved back and forth from at least one yarn feeder that reciprocates on the needle bed in conjunction with the reciprocal sliding movement of the carriage. The yarn is fed in this state, and the knitting yarn that appears on the surface of the knitted fabric that is knitted in the front and back needle beds is made to differ, and the yarn feeding direction is changed from the yarn feeder on at least one side where the running direction of the yarn feeder is switched at both ends of the needle bed. The front and rear positions of a plurality of knitting yarns to be threaded are changed, and a striped pattern in which the knitting yarns are switched is formed at the position changing portion of the knitting yarns. As a result, the striped pattern appearing on the tubular peripheral surface is switched every time the traveling direction of the yarn feeder is changed when the striped pattern is knitted. Therefore, the striped pattern is looped on the peripheral surface of the conventional tubular knitted fabric. Unlike the one formed in the above, there is an advantage that it can be made into a product with a rich design and high commercial value, which changes depending on the viewing position.

Further, since the striped pattern is switched only by changing the front and rear positions of a plurality of knitting yarns supplied from the yarn feeder, there is no floating crossover yarn as in the conventional striped pattern. As a result, there is an advantage that it is not necessary to dispose of the crossover yarn which requires a great deal of labor, and not only the productivity can be improved but also the manufacturing cost can be reduced.

[Brief description of drawings]

FIG. 1 is a perspective view of a flat knitting machine equipped with a yarn feeder according to the present invention.

FIG. 2 is a schematic perspective view of a yarn supplying portion of the flat knitting machine according to the present invention.

FIG. 3 is a perspective view of a yarn feeder portion of the flat knitting machine according to the present invention.

FIG. 4 is a plan view of a rotary drive tooth portion of the yarn feeder according to the present invention.

FIG. 5 is a plan view of a yarn feeder portion of the flat knitting machine according to the present invention.

FIG. 6 is a plan view showing the middle of rotation of the yarn feeder of the flat knitting machine according to the present invention.

FIG. 7 is a plan view showing a state where the rotation of the yarn feeder of the flat knitting machine according to the present invention is completed.

FIG. 8 is a perspective view of a tubular knitted fabric knitted by the yarn feeding device in the flat knitting machine according to the present invention.

FIG. 9 is a perspective view of a tubular knitted fabric according to a conventional example.

[Explanation of symbols]

1 ... Flat knitting machine 3 ... Yarn feeder 5 ・ 6 ・ ・ ・ ・ Knitting yarn 11 ... Base 12/13 ... yarn feeder 14 ... Rotation control means 15 ... Rotating teeth 16 ... Rotation drive tooth 17: Posture holding means

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Hiroshi Setsukawa             121, Kawayori Nishi, Asakawa, Kainan-cho, Kaifu-gun, Tokushima Prefecture             Ground F-term (reference) 4L002 BA00 BB01 EA00 FA01                 4L054 AA01 AB02 AB03 BB03 BD02                       BD03 BD04 FA03 FA05 FA06                       NA07

Claims (4)

[Claims] 1. A yarn feeding device attached to a flat knitting machine having at least a pair of front and rear needle beds accommodating knitting needles capable of advancing and retreating, and a base reciprocating on the needle bed in conjunction with a carriage. A yarn feeder rotatably supported on the base, wherein the yarn feeder has at least two yarn feeders, and the yarn feeder is configured to be rotationally controllable by a rotation control means. A yarn feeder for a flat knitting machine. 2. A rotary tooth formed on a part of a yarn feeder, a rotary drive tooth engaged with and disengaged from the rotary tooth by a timing interlocking device, and reciprocating on a needle bed in conjunction with a carriage. 2. The yarn feeding device for a flat knitting machine according to claim 1, wherein the rotation control means is constituted by a posture holding means for holding the posture of the yarn feeder rotated. 3. A tubular knitted fabric which is knitted by revolvingly feeding a knitting yarn from a yarn feeder to a needle bed of a flat knitting machine in which at least a pair of front and rear needle beds accommodating knitting needles are provided. A knitting method, in which a plurality of knitting yarns are fed in different states from at least one yarn feeder that reciprocates on a needle bed in association with reciprocal sliding of a carriage, and the front and rear needles are fed. While varying the knitting yarns that appear on the surface of the knitted fabric portion that is knitted on the bed, at least one side where the traveling direction of the yarn feeder is switched on both end sides of the needle bed, A method for knitting a tubular knitted fabric having a striped pattern, characterized in that a front and back position is changed to form a striped pattern in which the knitting yarn is switched at a position changing portion of the knitting yarn. 4. A tubular knitted fabric which is knitted by winding a knitting yarn from a yarn feeder to a needle bed of a flat knitting machine in which at least a pair of front and rear needle beds accommodating knitting needles are provided. Therefore, the knitting yarns are fed from the at least one yarn feeder that reciprocates on the needle bed in conjunction with the reciprocating sliding movement of the carriage in different front and rear positions, and knitted in the front and rear needle beds. The knitting yarns appearing on the surface of the knitted fabric part are knitted in a predetermined course to form stripes of a predetermined width, and the yarn feeders on both ends of the needle bed are switched at least on one side to change the traveling direction. By changing the front and rear positions of a plurality of knitting yarns supplied from the knitting yarn and forming a stripe with a predetermined width by knitting a predetermined course, a striped pattern in which the knitting yarns are switched at the position changing portion of the knitting yarn is formed. Stripes Tubular knitted fabric having a.