JPH0680218B2 - Driving method and device for carrier driving mechanism for three-dimensional textile loom - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention arranges a large number of rotors for running a carrier holding yarns in a large number of rows and a large number of columns along a carrier moving surface. In a three-dimensional woven fabric loom in which the rotor is independently driven to rotate forward and backward to move the carrier along a required locus to weave a three-dimensional fiber structure, the drive mechanism of the carrier is driven. And a device therefor.

[Prior Art] The present inventor proposes a three-dimensional woven fabric loom for weaving a three-dimensional woven fabric in Japanese Patent Application No. 63-335020. In the three-dimensional loom, a large number of rotors for running a yarn carrier along a required trajectory are arranged in parallel in a large number of rows and a large number of columns along a carrier moving surface, and the rotors are independently rotated in forward and reverse directions. A motor for driving is provided for each rotor, and the rotation of the rotor by the drive of the motor causes the carrier to move along a required locus so that the yarns held by the carrier are organized with each other. It is necessary to reduce the number of rotors and increase the number of them as the number of rotors increases and the number of rotors increases. In that case, it is very difficult to provide a motor as a drive source for all of the rotors. There is a problem that drive control becomes complicated.

[Problems to be Solved by the Invention] A technical problem of the present invention is to rotate a rotor for moving the carrier by a small number of drive sources and simplify drive control of those drive sources. Another object of the present invention is to provide a driving method of the carrier driving mechanism and its device.

[Means for Solving the Problem] A method for driving a carrier driving mechanism for a three-dimensional textile loom according to the present invention for solving the above-mentioned problems includes a large number of rotors for running a yarn carrier along a required locus. Are arranged in parallel in a large number of rows and a large number of columns along the carrier moving surface, and the rotors are independently driven to rotate in the forward and reverse directions to move the carrier along a required locus, so that the yarn held by the carrier is When weaving a three-dimensional fabric by weaving each other and by weaving a three-dimensional fabric, a partial drive device having a plurality of rotor drive units for driving a part of the arranged rotors sweeps the arrangement region of the rotors, while driving the rotors in the meantime. It is characterized in that rotation transmission is sequentially performed by connecting a unit and a drive shaft of a rotor arranged in parallel in a large number of rows and a large number of columns, and a necessary rotor is driven in the arrangement region accordingly. It is a thing.

Further, in the drive device of the carrier drive mechanism for a three-dimensional textile loom of the present invention, a large number of rotors for traveling the yarn carriers along a required locus are arranged in a large number of rows and a large number of columns along the carrier moving surface. And a carrier drive mechanism for independently rotating the rotors in forward and reverse directions, and the carrier is moved along the required locus by the rotational drive of the rotors in the carrier drive mechanism and held by the carrier. In a three-dimensional fabric weaving machine for weaving a three-dimensional woven fabric by organizing each other, a partial drive device having a plurality of rotor drive units for driving a part of the arranged rotors is provided, and this partial drive device has A moving mechanism for sweeping the array area by moving the rotor along the array area, and the drive shaft of the rotor and the rotor drive unit in the carrier drive mechanism. In which characterized in that a moving means for connecting the bets for rotation transmission.

In the above drive device, an advancing / retreating device for advancing / retreating the partial drive device to / from the drive shaft side of the rotor is provided as a contact / separation means for connecting the rotor drive shaft and the rotor drive unit for rotation transmission, and the rotor drive The connecting portion between the shaft and the rotor drive unit may have a connecting structure in which rotation is transmitted by mutual fitting.

[Operation] The partial drive device in which the rotor drive units are arranged in a plurality of rows and a plurality of columns is sequentially moved in a desired direction by a moving mechanism along a planar, cylindrical surface, or spherical rotor arrangement area, The rotor drive unit is connected to the required drive shaft of the rotor for rotation transmission by the contacting / separating means, the required rotors are sequentially driven by the rotor drive unit, and the rotor is driven by the partial drive unit. By moving and sequentially repeating, the yarn carrier is caused to travel along a required locus, and the yarns held by the carrier are made to assemble to woven a three-dimensional woven fabric.

By weaving in this way, the rotation of the rotor for moving the carrier can be performed by a small number of drive sources, and the drive control of those drive sources is also simplified.

[Embodiment] The driving method and apparatus of the present invention will be described in detail below with reference to the drawings.

1 to 3 show the structure of a partial drive unit 1 of a three-dimensional textile loom according to the present invention, and FIGS. 4 and 5 show the structure of a carrier drive mechanism 2 driven by the partial drive unit 1. 6A and 6B show the carrier drive mechanism 2
2 shows an example of the configuration of the connecting portion 4 for connecting the drive shaft 14 of the rotor 12 in FIG. 1 and the socket of the rotor drive unit 3 in the partial drive device 1 for rotation transmission.

The three-dimensional weaving loom according to the present invention, as will be described later with reference to FIG. 7 to FIG.
A large number of rotors 12 for running the carriers 11 of the above are arranged in a large number of rows and a large number of columns along the carrier moving surface 10 having a cylindrical surface shape, a spherical surface shape, or a flat surface (see FIG. 9A). A carrier driving mechanism 2 for independently rotating the rotor 12 in the forward and reverse directions is provided, and the carrier 11 is moved along the required locus by the rotational driving of the rotor 12 by the carrier driving mechanism 2 and held by the carrier 11. A three-dimensional woven fabric is woven by forming the strips 8 into a texture.

Therefore, first, in order to clarify the mode of weaving by the three-dimensional weaving machine, the structure of the woven portion, that is, the carrier 11 and the carrier drive mechanism 2 will be described in detail with reference to FIGS. 4 and 5. .

In the carrier driving mechanism 2, as described above, a large number of rotors 12 are arranged adjacent to each other in a plurality of rows and a plurality of columns along a carrier moving surface having a cylindrical surface shape, a spherical surface shape, or a flat surface shape. These rotors 12 can be driven by the rotation of a drive shaft 14 rotatably supported by a machine frame 13, and the arrangement of the rotors 12 sets the movable area of the carrier 11.

In order to hold the carrier 11 and move it along a required path, each rotor 12 is provided with a recess 12a that holds the carrier 11 between a pair of adjacent rotors. The recesses 12a of these rotors are formed in a shape such that when one of the pair of adjacent rotors 12, 12 rotates, the carrier 11 sandwiched between them can be moved by using the recesses 12a of the other rotor as guides. Therefore, the inner surface of the recess 12a is formed as a cylindrical surface centering on the rotation axis of the rotor adjacent to each other, or a rotation surface functionally equivalent thereto.

On the other hand, the carrier 11 sandwiched between those rotors 12 is
A holding portion 15 formed of two cylindrical surfaces so as to fit into a space formed between the recesses 12a of the pair of adjacent rotors 12.
And a pull-out preventing flange portion 16 provided on the upper and lower sides thereof, and a locking portion 17 for locking the yarn on the protruding portion, as is apparent from the above, the holding portion. 15 is fitted and held between the recesses 12a of the pair of rotors 12, and one rotor 12 is rotated by 90 ° as a unit (see the section A) so that it can be held between any of the rotors 12. There is. Although the yarn can be directly connected to the locking portion 17, a bobbin adapted to lead the yarn through a yarn tension applying device can be attached.

Therefore, when the carrier 11 is supported by sandwiching the pair of rotors 12 and 12 adjacent to each other and one of the pair of rotors supporting the carrier is rotated, the other rotor is used as a guide to move the carrier 11, and By repeating the above, a large number of carriers 11 can be made to travel on a desired locus to weave a three-dimensional fabric.

At the center of the rotor 12, a core thread locking portion 18 used when inserting the core thread into a three-dimensional woven fabric is provided.

Further, when the carrier moving surface 10 is formed into a spherical shape, the recess 12a of the rotor 12 and the carrier 11 corresponding thereto are formed.
It is necessary to form the holding portion 15 on the conical surface facing the center of the spherical carrier moving surface 10, but if the radius of curvature of the carrier moving surface 10 is large, no special consideration is required.

In order to rotatably support the rotor 12 on the machine frame 13, a drive shaft 14 connected to the rotor 12 is rotatably supported on a sleeve 21 attached to the machine frame 13 and protrudes from inside the drive shaft 14 by a spring 22. The ball 23 is fitted into one of the grooves 24 provided in the sleeve 21 at every 90 °, and the drive shaft 14 is mounted on the rotor.
90 ° where the 12 recesses 12a face the recesses of each adjacent rotor
Each position can be positioned.

Further, the tip end portion 27 of the drive shaft 14 is formed in a square shaft shape, and constitutes the connection portion 4 with the square hole socket 28 of the rotor drive unit 3 in the partial drive device 1 as shown in FIG. 6A. ing. As shown in FIG. 6B, the connecting portion 4 may be constituted by a groove 31 and a ridge 32 provided on the drive shaft 14 and the socket 28.

A three-dimensional woven fabric loom including the above weaving section is configured as shown in FIG. 7, FIG. 8 or FIG.

The three-dimensional weaving loom shown in FIG. 7 has a large number of rotors arranged in parallel in a large number of rows and a large number of rotors along the carrier moving surface 10 formed by a cylindrical frame 13 as shown in FIG. The carrier driving mechanism for independently rotating forward and backward is provided, and the carrier is driven to rotate by the carrier driving mechanism so as to move the carrier along a desired locus, and the yarns held by the carrier are organized into one another, The three-dimensional woven fabric 7 having an appropriate shape as illustrated in the drawing is woven.

Further, in order to rotationally drive the rotor in the carrier drive mechanism, a plurality of partial drive devices 1 described later with reference to FIGS. 1 to 3 are provided around the machine frame 13 having a cylindrical surface shape.
It is arranged so as to be movable along the guide 35.

Although not shown, the partial drive device 1 includes a plurality of rotor drive units 3 that drive a part of the rotors arranged on the carrier moving surface 10, and the partial drive device 1 itself is arranged in the rotor arrangement. A moving mechanism for moving in the circumferential direction along the region, and a contacting / separating means for contacting / separating the drive shaft 14 of the rotor 12 and the socket 28 of the rotor drive unit 3 in a radial direction for transmission of rotation in the connecting portion 4. Are provided and their drive is controlled by a control device (not shown).

The three-dimensional textile loom shown in FIG. 8 has a partially cylindrical surface-shaped machine frame 13
The plurality of rotors described above are arranged in parallel in a large number of rows and a large number of columns along the carrier moving surface 10 formed by the above, and a carrier drive mechanism for rotationally driving these rotors is provided.

Further, in order to rotationally drive the rotor in the carrier drive mechanism, a plurality of partial drive devices 1 are disposed behind the machine frame 13 having a partial cylindrical surface so as to be movable along the guide 35. The partial drive system 1 has the same configuration as that described with reference to FIG.

Further, on the underframe 37 protruding in the horizontal direction from the machine frame 13, a holding device 38 for holding a three-dimensional fabric obtained by organizing the yarns held by the carrier into one another.
Is provided. The holding device 38 may be configured to move along the underframe 37 by a driving device when the carrier 11 holds the bobbin for feeding the yarn.

The three-dimensional woven fabric loom shown in FIG. 9A in a partially disassembled state has a large number of rotors 12 arranged in parallel in a large number of rows and a large number of columns along a carrier moving surface 10 formed by a plane machine frame 13. The carrier driving mechanism for independently rotating and driving the rotors 12 is provided, and the carrier 11 is rotated by the carrier driving mechanism to move the carrier 11 along a required locus and hold the yarns on the carrier 11. 8
And the three-dimensional fabric 7 having an appropriate shape as illustrated in the drawing is woven.

In order to rotationally drive the carrier drive mechanism, the partial drive device 1 is installed in a linear guide below the plane-shaped machine frame 13.
It is arranged so as to be movable along 35. This partial drive unit 1 is provided with a plurality of rotor drive units 3 that drive a part of rotors arranged in an array on the carrier moving surface 10. Further, the partial drive unit 1 itself is linearly guided by a guide 35 along the rotor arrangement region. And a contacting / separating means for contacting / separating the drive shaft of the rotor 12 and the socket of the rotor drive unit 3 by vertical movement for transmission of rotation.

9B and C show different structural examples of the guide 35 and the partial drive unit 1 in the above-described three-dimensional weaving loom of FIG. 9A, and in FIG. The partial drive device 1 having the rotor drive unit 3 corresponding thereto is provided and moved by the guide 35 in the row direction of the rotor arrangement. However, in the embodiment of FIG. The guides 35a, 35b are provided with the partial drive device 1 in which the rotor drive units 3 of the rows are arranged and which intersect each other.
The rotor is moved in the row and column directions so that the entire area of the rotor array can be swept.

Further, in the embodiment of FIG. 9C, the partial drive unit 1 in which the rotor drive units 3 corresponding to the rotors 12 in two columns and multiple rows are arranged is divided into a plurality of columns in the column direction and the guides 35 are provided.
This enables movement in the row direction of the rotor array.

The drive of each of these partial drive devices 1 is controlled by a control device (not shown).

Further, in the above-described various three-dimensional woven looms, a cloth fell regulating device or the like for adjusting the shape of the three-dimensional woven fabric, the pitch of yarns, the orientation angle, the density, or the like can be provided as necessary.

Next, the configuration of the partial drive device 1 of the three-dimensional weaving machine will be described with reference to FIGS. 1 to 3. This partial drive device 1 corresponds to the partial drive device in the embodiment of FIGS. 7 and 8, but when applied to a three-dimensional woven loom as shown in FIGS. 9A to 9C, The illustrated shape or structure may be modified within a range that does not impair the spirit of the invention.

In this partial drive device 1, a mounting base 43 of a rotor drive unit 3 is installed by a sliding guide 41 on a base plate 40 that moves along the guide 35 so as to be able to move back and forth to the drive shaft 14 side of the rotor. . Although this mounting base 43 is not shown,
There is provided a moving mechanism for moving the partial drive device 1 itself by the motor or the like along the array area of the rotor 12, thereby sweeping the array area. Further, the mounting base 43 is driven by the moving device 45 composed of a fluid pressure cylinder toward the drive shaft 14 side of the rotor 12 for connecting the drive shaft 14 and the socket 28 in the rotor drive unit 3. The drive shaft 14 and the socket 28 are configured to come into contact with and separate from each other.

The rotor drive unit 3 installed on the mount 43 is
Square socket 28 that connects with the tip 27 of the drive shaft 14
A rod 46 having a tip (see FIG. 6A) is rotatably supported by a mounting base 43, and fluid pressure operation is performed on these rods 46 via a universal joint 47, a connecting rod 48, and a universal joint 49. Is connected to the rotary actuator 50. This rotary actuator 50
As can be seen from FIGS. 1 and 3, the universal joints 47 and 49 and the connecting rods 48 are used to disperse the sockets, so that the sockets 28 can be arranged densely. Although not shown, the rotary actuator 50 is connected to a pressure fluid source via a valve that is drive-controlled by a controller.

To attach the socket 28 to the rod 46, the socket 28 is slidably inserted into the tip of the rod 46, and the spring 28 presses the socket 28 against the stopper 52 at the tip of the rod 46. This spring 51 is for avoiding damage to each part when the tip end portion 27 of the drive shaft 14 is not accurately fitted in the socket 28, but by detecting compression of the spring 51 by the socket 28, fitting error can be prevented. It can be used for detection.

In the three-dimensional weaving loom having the above-mentioned structure, a large number of rotors 12 for traveling the yarn carriers along a required locus are arranged in parallel in a large number of rows and a large number along the carrier moving surface 10, and the rotors are arranged. Are independently driven to rotate forward and backward to move the carrier 11 along a required locus,
The yarns held by the carrier can be textured together to form a three-dimensional fabric.

At the time of this weaving, the arrangement region of the rotors 12 is swept by the partial drive device 1 provided with a large number of rotor drive units 3, and the rotor drive units and the drive shafts 14 of the rotors 12 arranged side by side in a large number of rows and a large number of rows are provided between them. Is sequentially transmitted by the connection of, i.e., the partial drive device 1 is sequentially moved to the position of the rotor that requires rotation, and the required drive shaft 14 is rotated by the control of the controller, and then the next rotation is performed. The partial drive device 1 is moved to a position that requires, and the above operation is repeated, thereby driving the necessary rotors in the array area, and weaving of the three-dimensional fabric is performed.

As the yarn 8 used for the above weaving, a fiber bundle in which filaments such as glass fibers and carbon fibers are aligned is preferably used, but not limited to these, various yarns can be used.

The three-dimensional woven fabric weaving apparatus described above uses the woven fabric 7 whose cross-sectional shape changes sequentially as shown in FIG. 7 and FIG. 9A.
It is particularly suitable for weaving.

In this manner, when the rotors are sequentially driven by the partial drive device 1 for each row, column, or appropriate group of the rotor array, the carrier 11 can be driven as compared with the case where a large number of rotors are individually driven by motors. Rotation of the rotor 12 for movement can be performed by a simple device using a small number of drive sources, and drive control of the drive sources can also be simplified.

[Advantages of the Invention] According to the method and apparatus of the present invention as described in detail above,
Since the rotors are sequentially driven by the partial drive device 1 for each row, column, or an appropriate group of the rotor arrangement, the carrier 11 is compared with the case where each of the multiple rotors is individually driven by a motor. Rotor for moving 12
Can be rotated by a simple device using a small number of drive sources, and the number of control input / output points is greatly reduced, so that drive control of the drive sources can be simplified.

[Brief description of drawings]

FIG. 1 is a plan view showing the structure of a partial drive unit of a three-dimensional textile loom according to the present invention, FIG. 2 is a side view of the same, FIG. 3 is a rear view of the same, and FIG. 4 is an enlarged view showing details of a carrier drive mechanism. FIG. 6 is a cross-sectional view, FIG. 5 is a plan view of the same, and FIGS. 6A and 6B are perspective views showing different configuration examples of the connecting portion between the rotor drive shaft and the rotor drive unit socket, FIG. 7, FIG. Fig. 9A
FIG. 9 is a perspective view showing a different embodiment of the three-dimensional textile loom of the present invention, and FIGS. 9B and 9C are perspective views showing another configuration example of the guide in the three-dimensional textile loom of FIG. DESCRIPTION OF SYMBOLS 1 ... Partial drive device, 2 ... Carrier drive mechanism, 3 ... Rotor drive unit, 4 ... Connection part, 7 ... Three-dimensional fabric, 8 ... Yarn, 10 ... Carrier moving surface, 11 ... Carrier, 12 ... rotor, 14 ... drive shaft, 45 ... moving device.

 ─────────────────────────────────────────────────── ─── Continuation of front page (72) Masahiko Kanehara Inventor Masahiko Kanehara 2-1-1 Sengen, Tsukuba-shi, Ibaraki Three Day Conpoly Search Co., Ltd. (56) References Japanese Patent Laid-Open No. 2-182953

Claims (3)

[Claims] 1. A large number of rotors for running a yarn carrier along a required trajectory are arranged in parallel in a large number of rows and a large number of columns along a carrier moving surface, and the rotors are independently driven to rotate forward and backward. Thus, by moving the carrier along a required trajectory, the yarns held by the carrier are textured with each other, and a plurality of rotor drives for driving a part of the arranged rotors when weaving a three-dimensional fabric A partial drive device including a unit sweeps the array area of the rotor, and sequentially performs rotation transmission by connection between the rotor drive unit and the drive shafts of the rotors arranged side by side in a large number of rows and a large number of times, thereby, A method of driving a carrier drive mechanism for a three-dimensional textile loom, comprising: driving a required rotor in an array area. 2. A plurality of rotors for traveling a yarn carrier along a required trajectory are arranged in parallel in a plurality of rows and a plurality of columns along a carrier moving surface, and the rotors are independently rotated in forward and reverse directions. A three-dimensional weaving three-dimensional woven fabric is provided by providing a carrier driving mechanism for driving the carrier In the weaving loom, a partial drive device having a plurality of rotor drive units for driving a part of the arranged rotors is provided, and the partial drive device is moved along the arrangement region of the rotors. A moving mechanism for sweeping the array area and a contacting / separating means for connecting the rotor drive shaft and the rotor drive unit in the carrier drive mechanism to transmit rotation are provided. Drive of the three-dimensional fabric weaving machine for carrier drive mechanism, characterized in that. 3. A device according to claim 2, wherein the partial drive device is moved forward and backward toward the drive shaft side of the rotor as contact and separation means for connecting the rotor drive shaft and the rotor drive unit for transmission of rotation. A drive device for a carrier drive mechanism for a three-dimensional textile loom, characterized in that a device is provided, and a connecting portion between the drive shaft of the rotor and the rotor drive unit has a connection structure for transmitting rotation by mutual fitting.