JP2009208968A - Take-up device for linear item - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a take-up device for a linear item, with a minimizable transfer length of the linear item in changing take-up frames for taking up the linear item while continuously feeding the linear item. <P>SOLUTION: The device is for taking up at least one continuous linear item from a plurality of rotating shafts disposed in parallel along the same axis radially to a circular or polygonal take-up frame having a plurality of hands in a specific winding number. It is at least provided with the plurality of take-up frames provided with a drive, which are rotatable separately, and also rotatable synchronously with the other take-up frame, a traverse mechanism provided with a drive means, of which traverse part is displaceable at least to the take-up direction, the parallel direction of the take-up frames, and the vertical direction of the take-up frames, and a transfer yarn cutting mechanism laterally provided between the take-up frames to cut the linear item while rotating. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

The present invention is related to winding RiSo location when winding the continuous linear material.

  Conventionally, one or many continuous linear objects are wound up to form a bundle of linear objects. For example, hollow fiber membranes, synthetic tatami mats, brushes, etc. create a bundle of linear objects. After that, it is cut to a certain length and produced. In particular, the hollow fiber membrane is used in various fields such as the automobile industry, the semiconductor industry, and the pharmaceutical food industry (for example, a hemodialysis filter for medical use), and high quality is also required for its use.

  When winding a linear object such as a hollow fiber or a hollow fiber bundle as described above, a plurality of winding frames are arranged in parallel on the same axis, and the winding work is performed on one winding frame. In other cases, work such as wrapping and cutting from other reels is made into an empty reel. And when it winds up and it becomes a full volume, winding of a linear thing is switched from a full winding frame to an empty winding frame. As a result, the winding operation and the taking-out operation can be performed in parallel, so that the process efficiency is good.

  As shown in the perspective view of FIG. 1, in the conventional winding device (100), two parallel reels (101) (102) are rotationally driven by the respective driving devices (103) (104) to fully The linear object (105) is traversed from the winding-side winding frame (102) to the empty winding frame (101). The traverse is performed by the traverse mechanism (106) sliding in the axial direction of the reels (101) (102) switching the position of the linear object.

  Then, as shown in a plan view in FIG. 2 and a front view in FIG. 3, a linear object is transferred from the hand (107) of the full winding frame (102) to the hand (108) of the empty winding frame (101). It is designed to change diagonally.

  The linear object (crossover thread) passed diagonally is cut by a cutter installed between the reels when the two reels (101) and (102) are simultaneously rotated. Stop and take up the empty reel until it is full.

  However, in such a configuration, since the length of the linear object (crossover yarn) passed obliquely is long, if it is cut by leaving a large amount on the full winding frame (102) side as shown in FIG. (110) may be packaged, resulting in product failure.

  In addition, if a large amount of the crossover yarn (111) is left on the empty winding frame (101) side as shown in FIG. 5, there is a possibility of being caught during winding. Alternatively, when the empty winding frame (101) is full and the transfer yarn (112) is transferred to the other winding frame (102) and cut again, the remaining transfer yarn (111) is cut again. , There was a risk that the fragment was mixed into the product.

  Accordingly, it is preferable that such a transition yarn is shorter. For example, the rotational speed on the side of the empty winding frame is faster than the rotation speed on the side of the full winding frame so that the transition yarn with the full winding frame is parallel. Although there was a method of controlling, slack was generated in the linear body of the winding frame, and it was not possible to wind up stably.

The present invention has been created in view of the above-described problems of the prior art, and the object thereof is to provide a linear object while continuously supplying the linear object when switching a winding body for winding the linear object. It aims at providing the winding device of the linear thing which makes the crossover length the shortest.

In order to achieve the above object, a method for winding a linear object according to the present invention has the following characteristics.
That is, the present invention is a winding device that winds each of a predetermined number of turns to an annular or polygonal winding frame body having a plurality of hands radially from a rotating shaft arranged in parallel on the same axis, A plurality of reels having a drive device that can be rotated independently and that can also rotate synchronously with other reels, at least a winding direction, a parallel direction of the reels, and a vertical direction of the reels And a traverse mechanism provided with a drive means capable of displacing the traverse portion, and a crossover cutting mechanism for cutting a linear object placed horizontally between the reels when rotating. A winding device is provided.

  The apparatus includes an accumulator mechanism that can decelerate or stop a linear object supplied at a constant speed at an outlet thereof.
  The accumulator mechanism is characterized in that the drive roll is separately driven by a servo motor and the torque at the time of driving is controlled to suppress the moment of inertia of the drive roll.

  Further, the jump yarn cutting mechanism is configured to cut the linear object at a position biased toward the empty winding frame.

The following effects are achieved by the above means. Chi words, according to the winding device of the linear material, by that can pass a linear material in the transverse direction between the spool body, it is possible to the crossover length shortest, prolongation of contamination such as Occurrence of product defects can be prevented. It also contributes to reducing the amount of linear waste.

  Moreover, in the said winding apparatus, even if the linear thing is supplied continuously by the accumulator mechanism, rotation of a winding frame body is stopped and automatic switching operation | work is attained, without changing a supply speed. Since the tension fluctuation of the linear object can be suppressed when the winding is stopped and started, the linear object is prevented from being damaged and contributes to the production of a high quality product.

  In addition, the parallelism and running stability of the linear object at the time of switching the linear object can be more reliably maintained, and the linear object can be wound by cutting each time at a portion biased toward the empty winding frame. The linear object at the time of cutting at the start is short and becomes long at full winding, so there is no possibility of cutting twice, and mixing into the product and winding at the time of winding can be prevented.

It is perspective explanatory drawing which shows the structure of the conventional winding apparatus. It is a top view of a winding frame body. It is a partial front view of the winding frame body. It is a top view explaining the 1st aspect in cutting | disconnection of a crossover thread similarly. It is a top view explaining a 2nd aspect similarly. 1 is an overall plan view of a winding device according to the present invention. FIG. It is explanatory drawing of the traverse process (1) which concerns on this invention. It is explanatory drawing of the traverse process (2) which concerns on this invention. It is explanatory drawing of the traverse process (3) based on this invention. It is explanatory drawing of the traverse process (4) which concerns on this invention. It is explanatory drawing of the traverse process (5) which concerns on this invention. It is explanatory drawing of the traverse process (6) which concerns on this invention. It is explanatory drawing of the transition yarn cutting method which concerns on this invention.

DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, the best mode for carrying out the invention will be described based on examples shown in the drawings. The embodiment is not limited to the following.
FIG. 6 is an overall plan view of the wire winding device according to the present invention, and FIG. 7 is a front view thereof. In this device (A), there are two first and second winding frames (10) and (11) (hereinafter collectively referred to as a winding frame) arranged coaxially. Drive units (12) and (13) that can be independently driven to rotate, support tables (14) and (15) that support the drive units (12) and (13), a traverse mechanism (20), and a dancer roll mechanism (30) And an accumulator mechanism (40).

  As shown in FIG. 1, the reel bodies (10) and (11) have a shape in which a plurality of hands (16)... Are arranged radially from the rotating shaft, and the tips of the hands (16). A U-shape is formed, and a linear object is wound in the recess. In such a configuration, the wound linear object has a polygonal shape. However, in the present invention, the shape of the reel body and the shape of the linear object after winding are arbitrary, and are wound in an annular shape, for example. It may be configured.

  The drive devices (12) and (13) are servo motors, each of which can be freely set, and the two reels (10) and (11) can be rotated synchronously. Normally, the rotational speed control of the drive units (12) and (13) is performed by the dancer roll mechanism (30).

  The dancer roll mechanism (30) is rotatably disposed at the tip of a dancer arm (32) in which a pendulum dancer roll (31) as shown in the figure is pivotally supported by a rotation shaft (33). Since the dancer arm pivots about the pivot axis (33), the dancer roll (31) can move up and down between the guide rollers (34) and (34). Since the position of the dancer arm (32) is controlled so as not to change in the rotational speed control, the normal position is substantially constant.

  For example, when the dancer arm (32) is slightly lowered during normal winding, the rotation position detecting means (not shown) detects it and increases the rotation speed of the winding. Do.

  By such an action of the dancer roll mechanism (30), fluctuations in the tension of the linear object during winding can be suppressed. Since the rotational speed is controlled by detecting the rotational position of the dancer arm (32), acceleration and deceleration of the reels (10) and (11) and the accumulator mechanism (40) are performed so that the position of the dancer arm (32) does not change suddenly. I am trying to do it with sufficient margin.

  Although the above-mentioned dancer roll mechanism (30) is a pendulum type, in the present invention, the dancer roll mechanism can be configured arbitrarily, and for example, a vertical dancer roll using a known low friction cylinder is used. You can also.

  An accumulator mechanism (40) is disposed upstream of the dancer roll mechanism (30). The accumulator mechanism (40) is alternately provided with drive rolls (41) to (43) that can be rotated by a drive motor (not shown) and an accumulator roll (45) that is pivotally supported by a fixed plate (44). In addition, while winding the linear object sequentially, the fixing plate (44) can be changed from the lower end position shown in the solid line display to the upper end position shown in the dotted line display by the vertical actuator (46) using a ball screw mechanism.

  According to this configuration, the normal accumulator roll (45) guides the travel of the linear object at the upper end, while the vertical actuator (46) moves the fixed plate (44) downward and the linear object moves to the accumulator mechanism ( 40) and when the later-described reels (10) and (11) are stopped, the traveling speed is 0 on the most downstream drive roll (41). When the reel unit is stopped, the fixed plate (44) is continuously stored at a constant speed.

  At the time of storage, the rotational speed increases as the drive roll goes upstream, and the rotational speed of the uppermost drive roll (43) is the same as that before the stop, so the linear object is continuously fed in the linear object supply device. Can be supplied.

  Information on the rotational position detecting means in the dancer roll mechanism (30) is also used for the operation of such an accumulator mechanism (40). That is, when detecting the full winding and stopping the winding to the reel body, if the rotation speed of the reel body is reduced, the dancer arm (32) is lowered, and this is detected and the accumulator mechanism (40). To control the operation.

While the winding is stopped, the speed of the accumulator mechanism (40) is controlled so that the position of the dancer arm (32) does not change.
Furthermore, when the traverse is completed and the winding to the empty winding frame body is started, the accumulator mechanism (40) is decelerated, so that the dancer arm (32) is also lowered, and the rotation of the winding frame body is detected. Start control.

  As the rotational speed of the winding body increases, the accumulator mechanism (40) decelerates, and the most downstream drive roll (41) increases the rotational speed, and when the winding speed becomes equal to the yarn supply speed, the accumulator mechanism ( 40) stops. At this time, the fixed plate (44) is located at the lowest point in the operation region.

  Thereafter, when the linear object stored in the accumulator mechanism (40) is supplied to the reel, the dancer arm (32) is lowered when the vertical actuator (46) moves the fixing plate (44) upward. The rotation speed of the reel is also increased. Since the yarn supply speed does not change, the most downstream drive roll (41) rotates the fastest, and the rotation speed of the drive roll (43) does not change. At this time, the rotation speed by the drive source is the same, but the drive rolls (41) and (42) rotate faster by idling.

  In the present invention, the drive rolls (41) to (43) rotate in the same way during normal travel of the linear object, but are driven except for the most upstream drive roll (43) when the accumulator mechanism (40) is operated. Stop. And drive roll (41) (42) rotates freely according to the linear thing which drive | works with the descent | fall of an accumulator roll (48). Since the drive roll (43) always keeps rotating at the same speed as the supply speed of the linear object, it is driven separately, and the other drive rolls (41) and (42) are stopped by the same drive and can rotate freely.

  As another embodiment, the drive rolls (41) to (43) may be all driven in the same manner, and the most upstream drive roll (43) may also be configured to stop and rotate when the accumulator mechanism (40) is operated. .

  Conventionally, a free roll that does not use a drive causes a problem that all the moment of inertia that occurs when the rotation of the roll decelerates and accelerates becomes a load on the yarn. Therefore, in this embodiment, the drive rolls (41) and (42) of the same drive are disposed, and a known torque limiter is provided so that the inertia moment can be canceled. Thereby, when the accumulator mechanism (40) is stopped, each drive roll can be quickly decelerated or stopped to the optimum speed by the action of the torque limiter.

  The moment of inertia generated will be described in detail. When the accumulator mechanism (40) is lowered (when the descent accelerates or when the winding decelerates), the most downstream drive roll (41) has a rotational speed of zero. On the other hand, the most upstream drive roll (43) continues to rotate at the spinning speed. At this time, the drive of the same drive is stopped, and the moment of inertia of the most downstream roll can be reduced. When the accumulator mechanism (40) is lowered at a constant speed, no moment of inertia is generated.

  Furthermore, when the accumulator mechanism (40) is stopped (when the descent is decelerating / winding is accelerated), the drive roller (41) at the most downstream starts the same drive because the rotational speed is toward the spinning speed. And the moment of inertia in the roll is reduced.

When the yarn is discharged from the accumulator mechanism (40), the linear plate starts to flow gradually downstream while the fixing plate (47) is moved upward by the vertical actuator (49). ) (42) gradually increases the rotational speed. Also at this time, an inertia moment in the direction opposite to the rotation is generated in the drive rolls (41) and (42), so that the drive rolls (41) and (42) can freely rotate (idle) by the torque limiter.
As described above, in addition to providing the torque limiter on the drive rolls (41) and (42), as another embodiment, the drive rolls (41) and (42) can be driven by a servo motor.

  That is, since the driving torque can be freely controlled with the known servo motor, the driving torque is changed in accordance with the rotational speed at the time of driving / stopping of the driving rolls (41) and (42), and the linear object is unstable. Avoid excessive tension.

  The configuration described above is a very preferable embodiment for continuously and automatically switching the linear object between the reels, which is the main part of the present invention. Depending on the time required for switching, the number of accumulator rolls (45) of the accumulator mechanism (40) can be set as appropriate, and the vertical movement amount of the fixed plate (44) and the number of accumulator rolls (45) are adjusted. As a result, a sufficient length of the linear object can be stored, so that the winding frame can be switched reliably and efficiently. In the accumulator mechanism (40), it is desirable to set a necessary and sufficient accumulator amount corresponding to the operating speed of the traverse mechanism (20) described below.

  In the present invention, it is proposed to newly arrange a traverse mechanism (20) movable in a three-dimensional direction in addition to the one-dimensional traverse (106) as shown in FIG. That is, as shown in FIGS. 6 and 7, the first traverse (21) is located above the reels (10) and (11) on the upstream side of the linear object, and the second traverse on the downstream side thereof. Is provided.

The first traverse (21) is slidable in the axial direction of the reels (10) and (11), and can guide the position of the linear object as in the conventional case.
On the other hand, the second traverse (22) can move the traverse portion in parallel with the winding direction according to the guide member (23), and does not descend to the extent that it overlaps the winding frame body or interfere with the winding frame body. It is possible to move the reels (10) and (11) in the axial direction by moving them up and down to the extent, and further by connecting the first traverse (21) and the base. These drives can be controlled independently by a computer (not shown).

  Using the second traverse (22) movable in the three-dimensional direction, the present invention implements the following traversing method. 8 to 13 are explanatory views for sequentially explaining the traversing method, in which (a) is a plan view explanatory view and (b) is a front view explanatory view.

  The state of FIG. 8 is a case where the winding operation of the linear object is performed on the first winding frame (10), and the second traverse (22) guides the linear object toward the first traverse side. It is in the state. Note that the black dots shown in (a) indicate the positions of the first traverse and the second traverse, respectively.

  Then, when the first winding frame body (10) is fully wound, the first winding frame body (10) stops rotating. At this time, the dancer roll mechanism (30) acts, and accordingly, the accumulator mechanism (40) starts an accumulating operation.

  As shown in FIG. 9, the second traverse (22) moves downstream (in the direction away from the first traverse) at the same time as the first traverse (21) moves to the second reel body (11). Moving. Accordingly, the second traverse (22) moves along an oblique trajectory. In addition, since the present application features only the movement start and end of the second traverse, the movement trajectory is arbitrary, for example, by moving in the axial direction and then moving in the winding direction or by a quadratic curve trajectory. You may move.

  The linear object is guided by the second traverse (22) and traverses to the second winding frame. At this time, since both the first winding frame body and the second winding frame body are stationary, the linear object can be passed from the first winding frame body (10) in the shortest parallel to the axial direction.

  By the way, in the first winding frame (10), the linear object moves perpendicular to the winding direction because it is locked by the hand (16a), but the hand (16b) of the second winding frame does not necessarily correspond. There is no guarantee that

Therefore, as shown in FIG. 10, the second reel (11) is slightly rotated to move the hand (16b) to a position where the linear object is locked. Thereby, it becomes possible to change a linear thing in the shortest distance from the 1st winding frame (10) to the 2nd winding frame (11).
In the above description, the first reel frame (10) is configured to be completely stopped. However, in the present invention, the rotational speed of the first reel frame (10) is sufficiently reduced so that the first reel frame (10) is removed from the hand (16a). It is also possible to configure the linear object to be horizontally mounted by guiding the linear object to the two-roll frame body (11) and slightly rotating the second reel frame body. In the case of such deceleration, it can be realized by the accumulator mechanism (40) as described above.

  Further, the second traverse (22) rises as shown in FIG. 11 and leaves the linear object. Furthermore, the 2nd traverse (22) moves to the 1st traverse (21) side in the state still rising like FIG.

Finally, as shown in FIG. 13, the second traverse (22) descends again to guide the linear object, and at the same time, the second reel (11) rotates synchronously with the first reel (10). To start.
Through the above steps, the operation of traversing the linear object from the full winding side frame body to the empty winding frame body using the second traverse (22) according to the present invention is completed. Each of these steps can be performed in a short time, and by securely engaging with the hand, there is no fear of dropping off the linear object and contributes to a suitable winding method.

  In the present invention, the first traverse (21) is not necessarily provided, and the traverse operation may be performed only by the second traverse (22). However, since the linear object can be guided in parallel in the process of reaching the reel frame by the first traverse, it contributes to the stable supply of the linear object, and therefore the installation of the first traverse is desirable.

Conventionally, the connecting yarn passed between the winding frame bodies is configured to be cut along with the synchronous rotation of the winding frame bodies by providing a cutter between the winding frame bodies.
In the present invention, a cutter having a novel configuration is employed in order to prevent twice cutting and entanglement of a cutting thread at this time. As shown in FIG. 7, the normal cutter (17) stands by in a state of being separated from the reels (10) and (11), and horizontally moves between the reels when cutting to cut the crossover yarn.

  In addition to this configuration, the cutter (17) can also be moved in the direction of the axis of rotation of the winding frame, and the cutting position of the crossover thread is on the first winding frame (10) side and on the second winding frame (11) side. It was comprised so that it could change to the position biased to either one.

That is, in FIG. 14A, the position is biased toward the second winding frame (11), and (b) is the position biased toward the first winding frame (10).
The cutting position is always biased toward the empty winding frame. The meaning of this configuration is to make the length of the remaining portion cut first and the length of the remaining portion cut next time different.

That is, for each reel, first the transition yarn from the other reel is cut, and then when the self-winding frame becomes full, the transition yarn to the other reel is cut again. The length of the remaining portion (50) is different from the length of the remaining portion (51) of the transition yarn when fully wound. Since the length of the first remaining portion (50) is short, there is no fear that the remaining portion (50) and the cutter intersect at the time of the second cutting, and the cutting is not performed twice.
Further, since the first remaining portion (50) is short, there is no possibility of being caught during subsequent winding.
In the implementation of the present invention, in addition to the configuration in which the cutter (17) is moved in the axial direction, the cutters are separately arranged on the first winding frame (10) side and the second winding frame (11) side, You may take the structure which always operates the cutter by the side of an empty winding frame.

  When the transition yarn is cut, both winding frames (10) and (11) rotate synchronously, and when the transition yarn is cut, the first winding frame (10) on the full winding side stops rotating. On the other hand, the accumulator roll starts to rise at a predetermined speed in the accumulator mechanism (40), and the rotational speed of the second winding frame (11) from which the winding operation will be performed increases according to the control of the dancer mechanism (30).

Thereafter, the linear object of the first winding frame (10) is removed by cutting, for example, every packing or every predetermined length, and again prepared for the next winding operation as an empty winding frame.
As described above, the present invention stores the linear object by the accumulator mechanism while continuously supplying the linear object, and enables the rotation of the reel frame to be stopped and allows three-dimensional operation. Provided is a winding method and apparatus that realizes switching of a linear object at the shortest distance by including a second traverse.

  This configuration is not necessarily limited to the configuration of the two winding frames, and any winding device that is arranged in parallel can be used.

A winding device,
10 first frame,
11 Second frame,
12 drive device,
13 Drive device,
14 Support base,
15 support base,
16 hands,
17 cutter,
20 Traverse mechanism,
21 First traverse,
22 Second traverse,
23 guide members,
30 Dancer roll mechanism,
31 Dancer roll,
32 Dancer arm,
33 pivot axis,
34 Guide roll,
40 accumulator mechanism,
41-46 drive rolls,
47 fixing plate,
48 Accumroll,
49 Vertical actuator

Claims (4)

At least one continuous linear object is wound around a circular or polygonal reel having a plurality of hands radially from a rotating shaft arranged in parallel on the same axis, each with a predetermined number of turns. Take-off device,
A plurality of reels provided with a drive device that can rotate independently and can also rotate synchronously with other reels;
A traverse mechanism provided with a driving means capable of displacing the traverse portion in at least the winding direction, the parallel direction of the reel body, and the up and down direction of the reel body;
A linear object winding device comprising at least a cross-thread cutting mechanism for cutting a linear object horizontally placed between winding frame bodies when rotating. The winding device for a linear object according to claim 1 , further comprising an accumulating mechanism capable of decelerating or stopping the linear object supplied at a constant speed at an outlet thereof. Take-off device. The accumulator mechanism is
The winding device for a linear object according to claim 2 , wherein the driving roll is separately driven by a servo motor, and the torque during driving is controlled to suppress the moment of inertia of the driving roll.   The winding device for a linear object according to any one of claims 1 to 3, wherein the transition yarn cutting mechanism is configured to cut the linear object at a position biased toward the empty winding frame.

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