JPH11279902A - Apparatus and method for manufacturing decorative lily - Google Patents

Abstract

(57) [Problem] To stably produce a decorative lilyan having a unique feather form. SOLUTION: The fiber bundle D is opened and drafted, and
Opening row to open to open end state
The fiber supply unit 1 provided with the fiber 18 and the lily knitting unit 2 for knitting while knitting a lilyian in which the stitches of the knitting yarn B are continuous in a tubular knitted fabric are twisted are opened by the fiber supply unit 1. The fiber group is sent to the lily knitting section 2 to join with the knitting yarn B, and the twisted decorative lily E is knitted by the lily knitting section 2, and the twisted decorative lily E is twisted by the twisting section 3 while being untwisted. Then, untwisted decorative Lilyan A is manufactured.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus and a method for producing a decorative lily having a structure in which fluffs of short fibers are knitted in a stitch of a tubular knitted lily.

[0002]

2. Description of the Related Art Conventional techniques include, for example, Japanese Utility Model 4-1.
There is 4471 gazette. This gazette discloses a lilyan knitting machine capable of performing a yarn processing at a required portion of the lilyan.

[0003]

SUMMARY OF THE INVENTION An object of the present invention is to stably produce a decorative lily having a peculiar fluff shape which cannot be produced by a conventional lily knitting machine.

[0004]

According to a first aspect of the present invention, there is provided an appropriate number of knitting needles which move up and down while rotating around a vertical axis, and a group of stitches formed by the knitting yarn supplied to the knitting rod is provided. A lily knitting section is provided for knitting while continuously twisting a lily knit in the form of a tubular knitted fabric. Above the lily knitting section, the fiber bundle is opened and drafted by high-speed rotation to bring the fiber group into an open end state. Opening rollers are provided to open the fibers so that the fiber group opened by the open rollers is entangled with the knitting yarns in the lilian knitting section and knitted into the stitches. A fiber supply unit is provided for sending a fiber group opened so as to knit a decorative lily into the lilian knitting unit and joining it with a knitting yarn.

According to the first aspect of the present invention, a fiber group which is opened and drafted in a fiber supply section by an opening roller which rotates a fiber bundle at a high speed and is opened in an open end state is formed into a tubular knitted fabric. The ground Lilyan is fed into a Lilyan knitting section for knitting while twisting, and the twisted decorative Lilyan in which the opened fiber group is knitted in the stitch is knitted in the Lilyan knitting section. The twist applied to the decorative lily at the time of this knitting is cut off by bringing the fiber group into an open end state with an opening roller, so that the twist is not extended to the fiber bundle and the decorative lily is twisted. While knitting.

[0006] Further, the fiber group fed into the lily knitting section is opened to an open end state by an opening roller, and the individual fibers are entangled with the knitting yarn in a state where they are separated from each other, so that the fibers are less likely to slip out into the stitch. The fluff of the decorative Lilyan knitted and knitted in a state is bulky and even, and the feel and appearance of the decorative Lilyan are improved.

According to a second aspect of the present invention, a fiber bundle is opened and drafted by an opening roller which rotates at a high speed, and the fiber group is opened so as to be in an open end state. The group is fed into a knitting section where the knitting is performed while twisting a lilyang with a continuous stitch in the form of a tubular knitted fabric to join the knitting yarn, and the fiber group is entangled with the knitting yarn and knitted into the knitting stitch The present invention is characterized in that the decorative liglian is knitted, and the twisted decorative liglian is unwound and wound to produce a non-twisted decorative liglian.

According to the second aspect of the present invention, the fiber bundle is opened to an open end state by an opening roller, and the opened fiber group is sent to a lilian knitting section to be joined with a knitting yarn. The group is entangled with the knitting yarn, knits a twisted decorative lilly that is woven into the stitch, and then untwists and winds the twisted decorative lillyan to continuously produce a non-twisted decorative lilly. .

[0009]

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

FIG. 1 shows a manufacturing apparatus for manufacturing a decorative tubular lily A having a thin tubular knitted fabric in which a group of fibers serving as fluff F is entangled with a knitting yarn B and knitted in a stitch C. A fiber supply unit 1 for opening and drafting a roving or sliver-like fiber bundle D made of short fibers and sending the fiber bundle D downward;
It is installed immediately below the fiber supply unit 1, receives the fiber group that has been opened and drafted in the fiber supply unit 1, and knits while twisting a thin tubular knitted fabric lilian in a state where it is combined with the knitting yarn B. Lilyan knitting part 2 and twisted decorative Lilyan E which is installed immediately below this Lilyan knitting part 2 and knitted by the Lilyan knitting part 2 are untwisted and wound, and twisted decorative Lilyan E
Untwisted part 3 for producing untwisted decorative Lilyan A having untwisted
It is composed mainly of.

First, the lily knitting section 2 will be described. The lily knitting section 2 has a stepped cylindrical support fixed to a base plate 4 and having a vertical axis as shown in FIG. 5 are installed.

An upper cam 6 having an inclined cam surface 6a formed at the lower end thereof fixed to the upper portion of the support 5 and fixed to the support 5 below the upper cam 6 is provided in the support 5. A cylindrical lower cam 7 having a cam surface 7a parallel to the cam surface 6a of the upper cam 6 formed at the upper end is concentrically installed with a gap 9 formed between the two cam surfaces 6a, 7a. .

A rotating body 8 is installed in the upper and lower cams 6 and 7 so as to rotate about a vertical axis.

At the center of the rotating body 8, a circular through-hole 8a through which a rillian passes is formed in a vertically penetrating shape, and a plurality of guide grooves 8 arranged at equal intervals in the circumferential direction are formed on the outer peripheral surface of the rotating body 8.
b are recessed in parallel along the axial direction.

In each guide groove 8b of the rotator 8, a knitting needle 10 which moves up and down while rotating around the axis of the rotator 8 to form a stitch C by a knitting yarn B slides in a vertical direction. It is fitted as possible.

At the upper end of each knitting needle 10, a hook 10a for hooking and releasing the knitting yarn B is formed.
At the lower end, there is formed a passive piece 10b which is installed in a state inserted into the gap 9 between the upper and lower cams 6, 7 and is pushed vertically by the upper and lower cam surfaces 6a, 7a.

When the rotating body 8 rotates, each knitting needle 10 turns around the axis of the rotating body 8, and each passive piece 10b of each knitting needle 10 is sequentially pushed up and down by the two cam surfaces 6a, 7a. Each knitting needle 10 moves up and down while turning, with the timing of ascending and descending to the top and bottom dead centers being slightly shifted.

A pair of knitting yarns B supplied to the knitting needle 10 from both sides obliquely above the rotating body 8 are sequentially hooked on the hooks 10a of the knitting needles 10 which move up and down while turning.
When the knitting needle 10 is moved upward, the hook 10a is pulled downward and released from the hook 10a when the knitting needle 10 is moved upward. A stitch made of the knitting yarn B is formed every time the knitting needle 10 moves up and down, and the stitch group is continuous in the circumferential direction and the longitudinal direction. Is formed in a twisted state.

A take-up roller 22 is provided slightly below the lily knitting section 2 to regulate the speed at which the lily is fed from the lily knitting section 2 in a twisted state.

The fiber supply unit 1 is provided for the purpose of opening and drafting a roving or sliver-like fiber bundle D, and for sending the opened and drafted fiber group to the lilian knitting unit 2. When knitting the twisted decorative liglian E in a state where the drafted fiber group is joined with the knitting yarn B, the twist added to the decorative rillian E is cut off by the fiber supply unit 1 and the twist reaches the fiber bundle D. It is provided for the purpose of opening the fiber group to an open end state so as not to cause the problem.

In the fiber supply section 1, a sliver guide 14 for guiding the fiber bundle D downward is provided at the upper end of the casing 12 attached to the fixed beam 13.

An upper part of the casing 12 is rotatably driven by a rotatable feeder 15 and a support pin 17 inserted at an upper end thereof.
5 and a feed member 16 for sandwiching the fiber bundle D between the feeder 15 and sending the fiber bundle D downward is installed adjacent to the feeder 16.

In the casing 12, the fiber bundle D is opened and drafted by high-speed rotation, the connection of the constituent fiber groups constituting the fiber bundle D is cut off, and the constituent fiber groups are separated into an open end state. An opening roller 18 is provided for opening.

The opening roller 18 has a large number of teeth 1 regularly arranged on its outer peripheral surface in the circumferential and width directions.
8a.

The opening roller 18 is a casing 12.
The motor 19 installed on the side of the
It is rotationally driven at a rotational speed of 〜１０10000 rpm.

Case 1 through the sliver guide 14
2 and feeder 15 and feed member 1
The fiber bundle D sent to the vicinity of the upper end of the opening roller 18 by the opening roller 6 is opened and drafted by the opening roller 18, and is opened to an open end state in which the connection of the constituent fiber groups is cut off. After being opened, it falls from the lower end of the opening roller 18 to open the opening roller.
It is fed into the Lillian knitting section 2 through the inside of a cylindrical guide wall 20 installed below the la 18.

The fiber group sent out in an open state from the fiber supply unit 1 and sent to the lilian knitting unit 2 joins the knitting yarn B in the lilian knitting unit 2 and knits with the knitting yarn B by the knitting operation of the knitting needle 10. It is knitted in the stitch C in a state in which it is difficult to come off in a confounding state, and a twisted decorative lily E is knitted.

The untwisting section 3 is fixed to a spindle 23 which is installed upright below the take-off roller 22 and is driven to rotate at a fixed position, and a ring rail 25 which moves up and down above the spindle 23. And a traveler 26 that circulates with a lilian around a bobbin 27 fitted on the spindle 23 by being hung on the ring 24.

The twisted decorative lily E sent out of the lily knitting section 2 and drawn down by the take-up roller 22 is twisted in the winding section 3 in a direction opposite to the twisting direction in the lily knitting. It is wound around the bobbin 27 while being untwisted.

When the twisted lilylian E is untwisted, as shown in FIG. 4, a large number of fluffs F formed by separating a fiber bundle into individual fibers are knitted in a stitch C in a state of being entangled with the knitting B. A non-twisted decorative Lilian A having an embedded structure can be manufactured.

In the above-described embodiment, the twisted decorative Lilyan E knitted in the Lilyan knitting section 2 is used for the untwisting section 3.
, The untwisted decorative Lilyan A was manufactured continuously, but the twisted decorative Lilyan E knitted in the Lilyan knitting unit 2 was once wound around a bobbin without being untwisted as it was, In another process, the twisted decorative lily E may be untwisted to produce a non-twisted decorative lily.

According to the above-described embodiment, when knitting the decorative lily E, the fiber bundle D is placed in the opening roller 18.
Thus, the fibers can be effectively opened, separated into individual fibers, and sent to the lily knitting section 2, so that the fiber group constituting the fluff is uniformly knitted into the stitch in a state where the fibers are separated into individual fibers. It is possible to stably produce a decorative Lilyan A having a fluffy structure that is hard to come off and which is bulky and has improved feeling and appearance.

Further, the speed at which the opened fiber group is fed into the lily knitting section 2 can be adjusted in accordance with the knitting speed in the lily knitting section 2, and the knitting is performed for the fiber group opening step. It is possible to efficiently manufacture decorative lilyans without eliminating the problem that the speed is reduced and the productivity is reduced.

[0034]

According to the present invention, in knitting a decorative lily, the fiber bundle can be effectively opened by an opening roller, separated into individual fibers, and sent to the lily knitting section. The fiber group constituting the fluff has a fluff structure which is knitted evenly in the stitches in a state where the fibers are separated into individual fibers and is hard to come off, and stabilizes the decorative lily which is bulky and has improved texture and appearance. Can be manufactured.

Further, the speed at which the opened fiber group is fed into the lily knitting section can be adjusted in accordance with the knitting speed in the lily knitting section, and the knitting speed for the fiber group opening step is reduced. It is possible to efficiently manufacture decorative lilyans without the disadvantage that the productivity is reduced due to the delay.

[Brief description of the drawings]

FIG. 1 is a front view of an apparatus for manufacturing a decorative lilyan according to an embodiment of the present invention.

FIG. 2 is a front view of a fiber supply unit.

FIG. 3 is a partially cutaway front view of the Lilian knitting part.

FIG. 4 is an enlarged side view of a decorative lily.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Fiber supply part 2 Lily knitting part 3 Untwisting part 10 Knitting needle 18 Opening roller A, E Ornament lily B Knitting yarn C Stitch D Fiber bundle F Fluff

Claims (2)

[Claims] 1. A knitting needle which is provided with an appropriate number of knitting needles which moves up and down while rotating around a vertical axis center, and a stitch group formed by knitting yarns supplied to the knitting rod twists a continuous lily in a tubular knitted fabric. A lily knitting section for knitting is provided. Above the lily knitting section, the fiber bundle is opened and drafted by high-speed rotation so that the fiber group is in an open end state.
An opening roller for opening is provided, and a group of fibers opened by the opening roller is entangled with the knitting yarn in the liyan knitting section to form a twisted decorative lily knitted in a stitch. And a fiber supply unit for feeding the group of fibers opened to the lilian knitting unit to join the knitting yarn with the knitting yarn. 2. A fiber bundle is opened and drafted by an opening roller that rotates at a high speed, the fiber group is opened so as to be in an open end state, and the opened fiber group is stitched. The knitting yarn is fed into the knitting section where the knitting is performed while twisting the knitted lilyang that is continuous in a tubular knitted fabric. And a method of manufacturing a decorative liillian in which the twisted decorative lilyan is unwound and wound to produce a non-twisted decorative liliyan.