JPH0930730A - Crack removal method and device - Google Patents

Abstract

(57) [Abstract] (Correction) [PROBLEMS] Mechanically simple and downsizing of the device configuration. SOLUTION: A step of fixing a fin thread protruding from the tip of the fin thread holding member in a state where the tip of the fin thread holding member is positioned at a first side, and a tip of the fin thread holding member is placed at a second lateral position. A forward traverse step in which the base end side of the cracked yarn is moved from the first lateral position to the second lateral position of the weave yarn bundle, A step of penetrating the heddle yarn bundle in a state where the middle portion is locked by the tip end portion of the fin thread insertion member and the loop is held; From the rear side of the second side edge by passing through the second side edge corresponding to the side position and then passing through each loop to pass around the first side edge corresponding to the first side position. The cracked yarn led out by the rearward traverse step of pulling out to the rear side of the first side edge was cut and fixed to the cut rear end portion. A step of bundling a distal end of Biroito,
And

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a crack removing method and apparatus for a lifting machine.

[0002]

2. Description of the Related Art Generally, when dyeing yarns, the yarns are first made into a yarn bundle by winding a large number of yarns by a lifting machine, and then the yarns are not entangled or loosened during dyeing. As described above, the work is obtained by cracking the bundle of threads by the operator.

Attempts to automate the crack removal have been made for a long time, and about 10 inventions have been applied for. Typically, in addition to those performed using air, Japanese Examined Patent Publications No. 43-14989 and 4
There is a sewing machine system such as No. 4-2879.

[0004]

However, in the conventional device, the mechanism is complicated, and the entire device becomes large, which is difficult in terms of cost and handling.

Therefore, an object of the present invention is to provide a mechanism that is relatively simple in structure and that can be downsized.

[0006]

A method for removing cracks according to the present invention, which has solved the above-mentioned problems, provides:
It is arranged between the first lateral position and the other second lateral position of the rear yarn bundle, and has a circular arc-shaped guide portion from the tip to the rear that bulges in the yarn bundle direction. And a plurality of fin thread holding members that hold the thread in a guideable manner with the thread running along it, as well as a plurality of fin thread holding members arranged along the width direction of the thread bundle and moving forward from the rear side of the thread bundle. By using the retractable yarn insertion member that can move forward and backward, the retractable yarn holding member is moved to protrude from the distal end of the retractable yarn holding member in a state where the distal end thereof is located at the first lateral position. In the fixing step of fixing the tip portion of the cracked yarn, the cracked yarn holding member is moved until the tip thereof is located at the second lateral position, and the proximal end side of the cracked yarn is moved to A forward traverse step of going from a first lateral position to a second lateral position, said first lateral position and 2. The penetrating step of penetrating the heddle yarn bundle in a state in which each of the above-mentioned fin yarn insertion members moves forward and is locked at the tip end thereof to hold the loop in the middle of the fin yarn extending to the lateral position of 2. In a state where the yarn holding member is advanced, after the tip of the yarn holding member is passed around the second side edge corresponding to the second lateral position of the weft yarn bundle, the yarn holding member is inserted through each of the loops,
A rear traverse step in which the first side edge corresponding to the first side position is wound around to extend the base side of the cracked yarn from the rear side of the second side edge to the rear side of the first side edge, the rear traverse. The step of cutting the cracked yarn drawn out in the step, and a binding step of binding the cut back end portion and the tip end portion of the cracked yarn fixed in the fixing step are sequentially included. is there.

Further, the crack removing device of the present invention is capable of moving back and forth in the direction of penetrating the surface passing through the yarn bundle, and is one less than the number of dividing objectives of the yarn bundle, and A split thread insertion member, which is arranged at a position corresponding to the split needle and in the forward / backward movement direction of the split needle, and is capable of moving forward / backward independently of the forward / backward movement of the split needle; The yarn receiving portion that receives one end and the cracked yarn that is received from the outside pass with play, and while holding the tip in a protruding state, it is moved back across the gap between the cracked yarn inserting member and the heddle yarn bundle. And a retractable yarn holding member that is capable of moving forward and backward while rotating; and at the forward limit of the split needle and the retractable yarn inserting member, each tip penetrates the weft yarn bundle, and In the forward limit, the turning locus is in a positional relationship that goes around the back of the yarn bundle. The yarn receiving portion is located at a terminal end portion of the forward rotation of the fin yarn holding member, and the yarn receiving portion grips a tip end portion of the fin yarn carried by the fin yarn holding member, The yarn holding member has a relationship in which, at the time of the return turn, the return yarn is positioned by positioning the cracked yarn at the tip of the cracked yarn insertion member while leaving the cracked yarn in the state where the tip is gripped by the yarn receiving portion. And the split thread insertion member has a cutout portion cut out from one side edge on the proximal side from the tip end thereof; Of the cracked yarn insertion member is regulated so as to extend from the tip of the cracked yarn insertion member to the opening of the notch, and with or after this regulation, the cracked yarn insertion member is rotated around its axis. Turn, then the split needle, crack A mechanism is provided in which, while reaching the forward limit position of the insertion member and the extended thread holding member, the extended thread holding member passes through the notches while passing around the back yarn bundle while holding the extended thread. It is characterized by.

[0008]

Embodiments of the present invention will be specifically described below with reference to the drawings. First, since the description of the structure of the apparatus becomes complicated, the crack removing method will be described.

FIG. 11 shows a crack removing mode of the present invention, in which the tip end portion of the cracked yarn 1 is located at the rear of the initial plane before passing through the bundle of yarns before division. After fixing in the state of being positioned in the lateral position, the base end side of the cracked yarn 1 is circulated from the first lateral position to the second lateral position of the weft yarn bundle, and, for example, the weft yarn bundle X1 , X2, X3 are divided into three parts, and the middle of the cracked thread 1 is inserted between them to form loops 1R, 1R.

Next, the base end side of the cracked yarn 1 is passed around the second side edge Xy corresponding to the second lateral position of the divided weft yarn bundle X3, and then the loops 1R and 1R are inserted. First
The first side edge Xx corresponding to the lateral position of is circled.

As a result, the cracked yarn 1 led out to the rear side of the weft yarn bundles X1, X2, X3 is cut, and the cut rear end portion and the front end portion of the stretched yarn 1 previously fixed. Unite.

An apparatus for performing such crack removal is shown in FIG.
8 to 8 show the steps, and FIGS. 9 and 10 show details of the cracked thread insertion member.

FIG. 1 is a plan view of the device showing the initial state. Some movement mechanisms are not shown.

Reference numeral 10 designates a base, which can be moved forward and backward in the left-right direction in the same figure, and advances together with a portion to be described later toward the weft yarn bundle X (see FIG. 7), and after the binding is completed, it is divided. It is adapted to retreat from the bundle of weed threads X1, X2, X3.

In front of the base 10, FIG. 9 and FIG.
The extended thread insertion member 12 shown in detail in FIG. The base of the cracked thread insertion member 12 has a cylindrical shape, and the tip side thereof has a flat shape. In this flat portion, a cutout portion 12a cut out from one side edge is formed, and a guide groove 12b in which a crack thread is locked is formed at a tip peripheral edge. Rotating means 12A, 12A fixed to the base 10 for reciprocally rotating the fiber insertion members 12, 12 about the axis by 90 degrees are formed at the rear portions of the respective fiber insertion members 12, 12.

On the other hand, a slide member 14 is provided between the fin thread insertion members 12, 12, and the slide member 1
4 is designed to move forward and backward by a predetermined length. The mechanism for moving this back and forth is not shown. Slide member 1
A support plate 16 is fixed to the front end of 4, and split needles 18A and 18B having sharp tips are integrated at both ends of the support plate 16. In addition, the split yarn bundle X on both sides
An inverted U-shaped holding member 20 for holding 1 and X3 is integrated with the support plate 16.

Further, as can be seen from FIG. 5, four guide rollers 22, 22, ... Are provided at positions corresponding to both side edges of each of the extended thread insertion members 12, 12 of the support plate 16, Cracked thread 1 of these guide rollers 22, 22 ...
It is designed to guide you.

Further, the cracked thread holding member 24 having the rotary arm portion 24A and the guide portion 24B which is tubular and has a semi-arcuate planar shape has a front portion of the base 10 about the rotation center axis 26 of about 180 degrees. It is freely rotatable. This turning drive means is also not shown.

A part of the rear end portion of the guide portion 24B is opened, and the cracked thread 1 is inserted through the opening portion and is led out from the front end through the inside.

On the left side (upper side in FIG. 1) of the base 10, there is provided an L-shaped first chuck 28 which constitutes the fixing portion of the present invention. A thread knotting device (knotter) 30 known per se is provided on the rear side thereof, and a second chuck 32 is provided on the side portion thereof.

In order to further deliver the yarn chucked by the first chuck 28 to the second chuck 32, there is provided a yarn delivering arm 34 having a substantially L-shape although its intermediate portion is an arc.
The yarn passing arm 34 is configured to reciprocate 180 degrees from right to left in the drawing of FIG.

A more detailed structure of the stretcher thread device having such a basic structure will be described together with the following operation description.

In the standby state shown in FIG. 1, the cracked thread 1 is inserted from the guide portion 24B and a few cm from the tip thereof.
Protrude. Next, the extended thread holding member 24 is rotated counterclockwise by 180 degrees to position the tip of the guide portion 24B beyond the first chuck 28, and then is rotated counterclockwise by 30 degrees.

As a result, as shown in FIG. 2, the tip portion of the cracked yarn 1 is fixed to the first chuck 28.

Next, as shown in FIG. 3, the yarn passing arm 34 is turned 180 degrees by the turning means 36 to be delivered to the second chuck 32, and then the cracked yarn holding member 24 is moved clockwise. Reversely rotate 150 degrees and stretch the thread 1 as shown in FIG. In this tensioned state, the cracked thread 1 goes around the tip ends of the cracked thread insertion members 12, 12 and is locked in the guide groove 12b.

Thereafter, as shown in FIG. 5, the slide member 14 is retracted to guide the guide rollers 22, 22.
While holding Hibiro thread 1, hold it in an inverted U shape.

Subsequently, the rotating means 12A, 12A are activated to move the crack thread insertion members 12, 12 about their central axes by 9 times.
Rotate 0 degrees.

After that, the base 10 advances, and the entire device advances toward the lifting machine side, and as shown in FIG.
A and 18B penetrate the target weave yarn bundle X. at the same time,
The holding member 20 holds both sides of the weave yarn bundle X. Due to this penetration, the yarn bundle X is divided into three yarn bundles X1, X2, X3.

Next, the cracked thread holding member 24 is rotated 180 degrees counterclockwise to pass the proximal end side of the cracked thread 1 to the chuck 28, and then it is rotated 30 degrees clockwise to move the cracked thread. Fix in tension.

Further, subsequently, the yarn passing arm 34 is turned by 180 degrees by the turning means 36, and the base end side of the cracked yarn 1 is also delivered to the second chuck 32 (not shown).

In this state, the yarn knotting device (knotter) 30
Thus, the tip end portion and the base end side of the cracked yarn 1 are bound and simultaneously cut.

After that, the yarn passing arm 34 is turned 180 degrees in the reverse direction. A series of processes from the time point of FIG. 7 up to this time point are schematically shown in FIG.

Subsequently, the cracked yarn holding member 24 is turned clockwise by 150 degrees to return to the initial state shown in FIG.

For the adjacent yarn bundles X, the entire device is moved in the longitudinal direction of the heaving machine, and under each of the above-mentioned operations,
Take cracks.

The above-mentioned series of operations is carried out by appropriately combining motion elements such as a drive motor and a cylinder.
Alternatively, simply, it can be performed by combining the mechanisms so that a series of operations are performed under the operation of the handle by the operator.

The crack removing method of the present invention is as follows, in correspondence with the drawings. (Fixing step): The tip portion of the fin thread 1 protruding from the tip of the fin thread holding member 24 is moved with the tip end of the fin thread holding member 24 being moved to the first lateral position. The fixing step is shown in FIG.

(Front traverse step): The cracked yarn holding member 24 is moved until its tip is located at the second lateral position, and the proximal end side of the cracked yarn 1 is moved to the first side of the weft yarn bundle X. The process of going from the lateral position to the second lateral position is shown in FIG.

(Penetrating step): The intermediate portions of the stretchable yarns 1 at the first lateral position and the second lateral position are connected to each of the stretchable yarn inserting members 1
FIG. 7 shows a step of penetrating the weft yarn bundle X in a state in which the loops 2 and 12 are advanced and locked at their tip portions to hold the loops.

(Backward traverse step): In the state in which the stretched yarn holding member 24 is advanced, after the tip is made to go around the second side edge Xy corresponding to the second lateral position of the weft yarn bundle X, First loop corresponding to the first lateral position is inserted through each loop.
By wrapping around the side edge XX,
The step of leading out from the rear side of the side edge Xy to the rear side of the first side edge Xx is shown in FIG.

(Binding step): The step of cutting the cracked yarn 1 drawn out in the rear traverse step and binding the cut back end portion and the tip end of the cracked yarn 1 fixed in the fixing step are Although not shown in the drawing, the process is performed by the yarn knotting device (knotter) 30.

If necessary, an operator can replace the automatic binding and cutting with the knotting device (knotter) 30.

[0042]

As described above, according to the present invention, there are advantages that the mechanism is relatively simple and the apparatus structure can be downsized.

[Brief description of drawings]

FIG. 1 is a plan view showing the device of the present invention together with a first step.

FIG. 2 is a plan view showing the device of the present invention together with a second step.

FIG. 3 is a plan view showing the device of the present invention together with a third step.

FIG. 4 is a plan view showing the device of the present invention together with a fourth step.

FIG. 5 is a plan view showing the device of the present invention together with a fifth step.

FIG. 6 is a plan view showing the device of the present invention together with a sixth step.

FIG. 7 is a plan view showing the device of the present invention together with a seventh step.

FIG. 8 is a plan view showing the device of the present invention together with an eighth step.

FIG. 9 is a plan view of the cracked thread insertion member of the device of the present invention.

FIG. 10 is a side view of the cracked thread insertion member of the device of the present invention.

FIG. 11 is a schematic perspective view showing a meshing aspect of the present invention.

[Explanation of symbols]

1 ... Hiroto thread, 1R, 1R ... loop, 10 ... base, 1
2 ... Hiiro thread insertion member, 14 ... Sliding member, 16 ... Support plate, 18A, 18B ... Dividing needle, 20 ... Holding member, 22
... guide roller, 24 ... cracker thread holding member, 24A ... rotating arm part, 24B ... guiding part, 26 ... rotation center shaft, 28
... 1st chuck, 30 ... Thread knotting device (knotter), 32
... Second chuck, 34 ... Thread passing arm, 36 ... Rotating means, X ... Thread bundle, X1, X2, X3 ... Divided thread bundle, Xx
... 1st side edge, Xy ... 2nd side edge.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Toki Nishimura 1-18-3 Shin Nishihara, Fujiyoshida City, Yamanashi Prefecture 301 (72) Inventor Kazuhiro Watanabe 192 Niikura, Fujiyoshida City, Yamanashi Prefecture

Claims (2)

[Claims] 1. A tip, which is located between a first lateral position and a second lateral position of the other rear yarn bundle with respect to a surface passing through the yarn bundle, and swells in the yarn bundle direction. Has a circular arc-shaped guide portion from the rear to the rear portion, and holds a guide thread in a state where the guide thread is guided along the guide thread, and a plurality of guide threads along the width direction of the weave thread bundle. By using a retractable thread insertion member that is arranged and that penetrates forward from the rear side of the heddle bundle and moves forward and backward, the fiber thread holding member is moved, and its tip is located at a first lateral position. A fixing step of fixing the tip portion of the fin thread protruding from the tip of the fin thread holding member in the state of being positioned at, moving the fin thread holding member until the tip is positioned at the second lateral position. Before the base end side of the cracked yarn is looped from the first lateral position to the second lateral position of the weft yarn bundle. A traverse step, in a state in which the intermediate portion of the cracked yarn extending over the first lateral position and the second lateral position is advanced by each of the cracked yarn insertion members and is locked at the tip end thereof to hold the loop. A penetrating step of penetrating a heddle thread bundle; in a state where the above-mentioned fin thread holding member is advanced, after the tip thereof is made to go around a second side edge corresponding to a second lateral position of the heddle thread bundle, The original side of the cracked thread is led out from the rear side of the second side edge to the rear side of the first side edge by inserting the loop through the first side edge corresponding to the first side position. A rear traverse step for cutting, and a binding step of cutting the cracked yarn drawn out by the rearward traverse step and binding the cut back end portion and the tip end portion of the cracked yarn fixed by the fixing step. A method for removing cracks, characterized by having. 2. A back-and-forth direction that can move forward and backward in a direction that penetrates a surface passing through the yarn bundle, and a number of divided needles that is one less than the number of divided objectives of the yarn bundle, and a position corresponding to the divided needle. A split thread insertion member which is arranged in the forward / backward direction of the split needle and is capable of moving forward / backward independently of the forward / backward movement of the split needle; a thread receiving portion for receiving one end of the split thread; The fibrous thread received from the machine passes through with play, and while holding the tip thereof in a protruding state, it makes a backward swivel across the space between the fibrous thread insertion member and the helix thread bundle, and is also able to move forward and backward. A leading end of the split needle and the insertion portion of the fin thread through the heaving yarn bundle at the forward limit, and a swirling locus having a swirling locus at the leading end of the leading yarn thread holding member. Is in a positional relationship that goes around the back of the The yarn receiving portion is located at the terminal end of the turn, and the yarn receiving portion grips the tip end portion of the stretchable yarn carried in by the stretchable yarn holding member, and the stretchable yarn holding member is used at the time of the return turn. In the above, there is a relationship in which the return thread is positioned by positioning the crack thread at the tip of the crack thread insertion member while leaving the crack thread in a state where the tip is gripped by the thread receiving portion. Has a notch portion cut out from one side edge on the proximal side from the tip thereof; after the return turning of the cracked thread holding member is completed, the split thread is retracted to break the cracked thread. It regulates so that the opening of the cutout may be passed from the tip of the filter thread insertion member, and with or after this regulation, the cracked thread insertion member turns around its axis, and then the split needle, Crack thread insertion member and crack thread holding part In the state of reaching the forward limit position of the material, the cracker thread holding member is provided with a mechanism for passing through each notch portion around the back of the weft thread bundle while holding the cracker thread. apparatus.