JP2007100236A - Warp yarn-guiding device in beam warper - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solve the problems wherein a warp yarn can not be wound smoothly and uniformly on a beam by the change of the orthogonal relation between the flow direction of the warp yarn and the axis direction of a yarn-guiding roll. <P>SOLUTION: A beam machine 1 has the beam 4 for winding the warp yarn M and installed so as to be freely rotatable, and a front reed 6, a tension-imparting roll 8 and the yarn-guiding roll 9 installed in order from the upstream side at the upstream side of the beam 4. The warp yarn M can uniformly be wound in good order without causing slippage and twist at the yarn-guiding roll 9 or the like, without allowing the movement of a winding position on the beam 4 to rapidly respond to the movement of the yarn-guiding roll 9 or the like and without generating unnecessary stress by maintaining the orthogonal relation by installing the front reed 6, the tension-imparting roll 8 and the yarn guiding roll 9 so as to be simultaneously, reciprocally and freely moved in the width direction. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

The present invention relates to a beam warping machine that winds a large number of warps around a beam, and more particularly to a warp guide device in a beam warping machine that winds the warp yarns apart.

Conventionally, as shown in FIG. 7, as the beam machine a, a beam c for winding a warp b is rotatably provided, a front sheath d is provided at the front part (upstream side) of the beam machine a, and the front part A beam machine a in which a tension applying roll e and a yarn guide roll f are provided between the arm d and the beam c from the front is known (for example, see Patent Document 1).
In such a beam machine a, the warp b drawn from a creel, drum machine, etc. is usually contacted and supported by the upper part of the peripheral surface of the yarn guide roll f after passing through the front arm d and being given tension. The plurality of warps b are wound in a contact-parallel state with a constant density, and are uniformly wound in the same diameter state over the entire width direction of the beam c. The yarn layer radius was gradually increased.

However, depending on the type of the fabric, it is required that the warps b are separated and arranged on the beam c, and as shown in the schematic diagram of FIG. When wound on c, various winding modes occur.
FIG. 8A shows a winding start state, and a large number (three in the drawing) of warps b1, b1 ′, b1 ″ whose tips are bound to the beam c are wound around the beam c in parallel at a predetermined interval. FIG. 8 (b) shows a state in which the warp b2, b2 ′, b2 ″ is wound around the beam c after one rotation of the beam c, and FIG. 8 (c) shows a state in which the beam c rotates twice. Later warps b3, b3 ', b3 "
(Warn yarns b1, b2, and b3 indicate that one warp b is a beam c.)
Shows the state of being sequentially wound, and includes the number of rotations of the beam c,
The same applies to the warp b1 ′. ).

As shown in FIG. 8B, the uneven winding state is that the warped yarn b to which tension is applied is pressed against the upper peripheral surface of the yarn guide roll f at a substantially constant position at substantially equal intervals. Then, the warp b2, b2 ', b2 "of the second rotation of the beam wound around the beam c moves from the warp b1, b1', b1" of the first rotation of the beam to the left or right as indicated by the arrows. It is wound up.
As shown in FIG. 8C, the warp b3, b3 ″ of the third rotation of the beam moves in the same direction as the warp b2, b2 ″ of the second rotation (the reverse direction of the warps b3 and b3 ″) and winds. The warp b3 ′ is taken or moved in the direction of the warp b1 ′ of the first rotation (the direction opposite to the warp b2 ′) and wound on the wound warp b1 ′, b2 ′.
Such uneven winding of the first layer (a part of the second layer) around the beam c is continued in sequence, and when the winding of the first layer in contact with the circumferential surface of the beam c is completed, a mountain-shaped winding is performed. A plurality of take-up layers are generated, and an uneven winding state is continued even in the second and subsequent layers.

Due to the uneven winding, a plurality of warps b (in the illustrated case, especially warps b3, b3 "
Comparing the warp yarns b3 '), the winding length and tension are changed and uniform winding cannot be performed, or in the worst case, the mountain-shaped winding yarn layer collapses, and the winding order is reversed and rewinded. Was impossible.

As an improvement measure, the yarn guide roll f is moved in the width direction, a rear arm g (see FIG. 10) is provided between the yarn guide roll f and the tension applying roll e, and the rear arm g and the yarn guide roll. A method of moving f in the width direction is conceivable.
As shown in FIG. 9, when the yarn guide roll f is moved in the width direction (one-dot chain line in the figure), which is one improvement measure, the warp b that is in pressure contact with the yarn guide roll f by the tension is moved. An attempt is made to move in the same direction as the yarn guide roll f (indicated by a one-dot chain line in the figure).
However, the warp b is in a tension state on the tension applying roll e side and the beam c side, and is inclined in the opposite direction before and after (upstream / downstream side) of the yarn guide roll f (the flow direction of the warp b and the axis of the yarn guide roll f). The warp b slips or rolls on the yarn guide roll f, and the warp b is less than the amount of movement of the yarn guide roll f. It cannot move (two-dot chain line in the figure).
Therefore, even when the problem of moving a large number of warps b in the same direction can be partially solved as compared with the case where the yarn guide roll f is fixed in position, when the yarn guide roll f moves in the opposite direction, Since the yarn is wound on the wound warp b, if the warp b is moved by a small amount, it cannot be wound on the upper yarn layer or a delay occurs.
Moreover, in order to set the winding position of the warp yarn b to a desired position, there are disadvantages that the movement amount and configuration of the yarn guide roll f must be increased, and other disadvantages due to rolling of the warp yarn b on the yarn guide roll f. Also existed.

For example, when the warp b rolls on the yarn guide roll f, the warp b is rotated and twisted, stress is generated, and the yarn guide roll f reciprocates in both the left and right directions in the width direction.
The warp b wound around the beam c has various defects such as no kinking (including stress), two kinks (the degree varies in various ways), and the uniform winding appearance is lost. Had.
Further, in the tension applying roll e on the upstream side of the yarn guiding roll f, the warp b in contact with the downstream roll e2 in the tension applying roll e by the movement of the warp b in the yarn guiding roll f is also particularly effective. A moving force is generated, and the warp b tends to move relatively with respect to the roll e2 of the tension applying roll e.

As shown in FIG. 10, when the rear arm g and the yarn guide roll f which are additionally installed, which is the other improvement measure, are simultaneously moved in the width direction (in the drawing, a one-dot chain line), By moving, the warp b is inclined and reversely inclined between the roll e2 on the downstream side of the tension applying roll e and the rear part g and between the upstream and downstream rolls e1 and e2, and presses and contacts the roll e2. The warp b is slipped and rolled, and stress is generated in the warp b (see the two-dot chain line in the figure).
And, it is straight and inclined before and after the yarn guide roll f, and the upstream direction of the rear portion g and the downstream direction of the yarn guide roll f are reversed, so that it passes through the rear portion g and passes through the yarn guide roll f. Since the warp b that reaches the point is not a smooth flow in which stress is generated, slipping and rolling are likely to occur when the yarn guide roll f passes, the movement of the winding position in the beam c is slow, and stress is applied to the warp b. There was a drawback in that it was wound around the beam c in the generated state.

Japanese Patent Publication No. 5-5928

The problem to be solved is that when the yarn guide roll f or the rear sheath g is moved by the beam machine a having the front sheath d fixed at the front portion, the warp yarn is formed on the upper peripheral surface of the yarn guide roll f or the like. b is slipped and kinked, the movement of the winding position in the beam c is delayed, stress is generated in the warp b, and the warp b cannot be evenly wound around the beam c.

According to the present invention, the orthogonal relationship between the flow direction of the warp and the axial direction of the yarn guide roll based on the above prior art is lost, or movement delay or stress is generated, so that the warp cannot be wound smoothly and evenly on the beam. In view of the above-mentioned problems, a beam machine is provided with a beam for winding a warp rotatably, and provided with a front sheath, a tension applying roll, and a yarn guide roll on the upstream side of the beam from the upstream side. By providing the head, tension applying roll, and yarn guide roll so that they can be reciprocated simultaneously in the width direction, the yarn guide roll etc. will not slip and kink, and the yarn guide roll etc. will be moved by a beam. The above-mentioned problems are solved by quickly responding to the movement of the yarn and by winding the warp around the beam without generating an unnecessary stress because the orthogonal relationship is maintained.

In short, in the present invention, a beam for winding a warp is rotatably provided, and a front arm, a tension applying roll, and a yarn guide roll are provided on the upstream side of the beam from the upstream side. Multiple warp yarns from creel etc. are introduced into the beam machine in the required width, order, etc., tension is applied to the warp yarns with the tension applying roll, and the warp yarns can be smoothly unwound from the yarn guide roll and wound with the beam. .
In addition, since the front sheath, tension applying roll and yarn guide roll are provided so as to be able to reciprocate simultaneously in the width direction, the relationship between the flow direction of the warp and the roll is maintained, and unnecessary external force does not act on the warp. Can be quickly and smoothly moved in the width direction, and the warp can be wound around the beam in an orderly and even manner.

Since the rear arm is provided between the tension applying roll and the yarn guide roll, the practical effect such as the interval and position of the warp passing through the front arm can be readjusted.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
As shown in FIG. 1, a beam machine 1 that winds and warps a large number of warps M (sometimes referred to as a beam warper in this application) is a creel 2 or a partial warper (drum machine) ( (Not shown) are connected to each other with a predetermined interval.

As shown in FIGS. 2, 3, and 4, the beam machine 1 rotatably supports a beam 4 that winds up a large number of warps M at the lower part of the rear (downstream side) between the left and right main frames 3 and 3 a. A pair of moving frames 5 and 5a are provided on the front (upstream side on the creel 2 side) so as to be reciprocally movable in the width direction, and between the moving frames 5 and 5a, the front cage 6 and the pair of A tension applying roll 8 composed of rotatable rolls 7 and 7a and a rotatable thread guide roll 9 are respectively installed, and a rear arm 6a is provided between the tension applying roll 8 and the thread guide roll 9 as required. .
Then, a large number of warps M drawn from the yarn supply section such as the upstream creel 2 are passed through the front and rear sections 6 and 6a, and are brought into contact with the tension applying roll 8 and the thread guide roll 9 to the beam 4. It is bound.

At the rear (downstream) lower part of the beam machine 1, as shown in FIGS.
The support shaft 10 is mounted so as to be swingable by a predetermined angle, and a pair of arms 11 and 11a are provided from required portions of the support shaft 10, and both ends of the beam 4 can be attached to and detached from the arms 11 and 11a and rotated. Connected bodies 12 and 12a are provided for free support.
A connecting body 12 of one arm 11 provided on the support shaft 10 is a drive device 13 provided in the main frame 3.
And the other arm 11 provided on the support shaft 10
a is movable in the width direction according to the length of the beam 4, and a pair of disk-like flanges 15 and 15a holding the yarn layers of the warp M wound on both sides of the beam 4 on both sides. Is provided.
Further, as shown in FIG. 2, a rotatable press roll 16 is provided behind the beam 4 so as to be able to advance and retract in the direction of the beam 4 by a rail 17, a carriage 18, a cylinder 19 and the like.

Next, the moving frames 5 and 5a, the yarn guide roll 9 and the like provided in the front part (upstream side) of the beam machine 1 will be described.
As shown in FIGS. 2, 3, 4, and 5, support frames 20 and 20 a are installed between a pair of main frames 3 and 3 a on the upstream upper portion, which is the creel 2 side, at the front upper portion of the beam 4. 20
, 20a is provided with a drive device 22 and a pair of left and right rails 23, 23a ... in the width direction via pedestals 21, 21a, and the rails 23, 23a ... are moved in the width direction via sliders 24, 24a ... Free movable pedestals 25, 25a are provided.
Then, the moving frames 5, 5a are attached to the moving bases 25, 25a,... Moving in the width direction through the driving device 22 and the reciprocating driving mechanism 26 provided on the support frames 20, 20a. As shown in FIG. 2, the front frame 6, the tension applying roll 8, and the yarn guiding roll 9 are sequentially disposed on the moving frames 5 and 5 a from the front upstream side.
An example of a reciprocating drive mechanism 26 that reciprocates the moving frames 5 and 5a in the width direction is shown in FIG. 5. A feed screw shaft 27 is attached to a drive device 22 that is a forward / reverse rotating motor, and pedestals 21, 21a. The tip of the feed screw shaft 27 supported by the bearing 28 provided on the screw base 29 is screwed into the screw portion 29 of the moving base 25, 25a, etc., but the configuration of the reciprocating drive mechanism 26 can be changed as appropriate. The thing using a cam, a link, etc. is mentioned.

Next, the operation of the warp guide device in the beam warper according to the present invention will be described.
A large number of warps M drawn from the creels 2 and the like were allowed to pass through the front arm 6 and then contacted and supported on the peripheral surfaces of the rolls 7 and 7a of the tension applying roll 8 and passed through the rear arm 6a. After that, it is brought into contact with and supported by the peripheral surface of the yarn guide roll 9 and is bonded to the beam 4.
Wind up the warp M.
At the time of winding, the warp yarn M supported by the yarn guide roll 9 from the front arm 6 is reciprocated in the width direction by reciprocating the moving frames 5 and 5a in the width direction by operating the driving device 22 and the like. Then, the winding position in the beam 4 follows and reciprocates, and the warp M is evenly wound around the beam 4.

Next, a state in which the winding position of the beam 4 moves and changes following the movement in the width direction of the yarn guide roll 9 and the like will be described.
As shown in FIG. 6, the front and rear section caps 6, 6 a, the tension applying roll 8, and the yarn guiding roll 9 move simultaneously in the width direction with respect to the beam 4 (one point from the solid line in the figure). By the chain line), from the front canopy 6 to the yarn guide roll 9, the orthogonal relationship between the flow direction of the warp M and the axial direction of the tension applying roll 8 and the yarn guide roll 9 is maintained. Compared with the winding position (solid line A point in the figure), the feeding position from the yarn guide roll 9 is moved (moved from the solid line A point to the dashed line B point in the figure). The position moves quickly (moves from point A to point B on the one-dot chain line in the figure) and winds in a state of contact with the wound warp M (note that the thickness of the warp M is not shown in FIG. 6) However, the contact state is shown in FIG.
Therefore, the warp M is wound evenly in each yarn layer in the contact state by the simultaneous movement in the width direction of the front / rear portions 6 and 6a, the tension applying roll 8 and the yarn guiding roll 9, and the winding diameter gradually increases. It grows and is wound up in order on each yarn layer.

The front arm 6 moves in the width direction and the relationship on the creel 2 side changes, but the front arm 6 and the creel 2 are considerably separated from each other, and the bending angle changes at the front arm 6. Is very small,
Furthermore, since the warp M is only inserted through the front arm 6 and there is no pressing relationship in the vertical direction,
There is no effect on the warp M after passing through the front sheath 6 and the warp M on the creel 2 side from the front sheath 6, and the yarn guide roll 9 of the warp M on the yarn guide roll 9 side from the front sheath 6. The orthogonal relationship with the roll does not change.
In addition, a straight line is formed between the front arm 6 and the yarn guide roll 9, and a slight inclination (indicated by a straight line in the drawing) between the yarn guide roller 9 and the beam 4 is made. Warp M by roll 9
Therefore, even if the front and back of the yarn guide roll 9 are slightly inclined with respect to the straight line, the smooth warp M is unwound from the yarn guide roll 9 and the beam. The winding position at 4 moves smoothly.

It is a side view which shows the layout of a beam machine and a creel. It is a longitudinal cross-sectional view of a beam warping machine. FIG. 3 is a front view of FIG. 2. FIG. 3 is a plan view of FIG. 2. It is a figure which shows the reciprocating mechanism of a moving frame. It is a plane schematic diagram which shows the flow of a warp. It is a side view of the conventional beam machine. It is a figure which shows the winding aspect of the conventional warp. It is a plane schematic diagram which shows the flow of the conventional warp. It is a plane schematic diagram which shows the flow of the conventional warp of the other example.

Explanation of symbols

1 Beam machine 4 Beam 5, 5a Moving frame 6 Front arm
6a Rear part 8 Tension applying roll 9 Thread guide roll
26 Reciprocating drive mechanism M Warp

Claims (2)

A beam machine in which a beam for winding a warp is rotatably provided, and on the upstream side of the beam, a front sheath, a tension applying roll, and a yarn guide roll are provided from the upstream side,
A warp guide device in a beam warping machine, wherein a front sheath, a tension applying roll, and a yarn guide roll are provided so as to be reciprocally movable in the width direction simultaneously. The warp guide device for a beam warping machine according to claim 1, wherein a rear sheath is provided between the tension applying roll and the yarn guide roll.

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