JPH06100691B2 - Light guide manufacturing equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of use) The present invention relates to a light guide manufacturing apparatus for forming a light guide wire into a strip shape, a rectangular shape, a round shape or the like.

(Prior Art and Its Problems) In recent years, the development of the optical information industry using light guide wire materials such as inorganic optical fibers and plastic optical fibers has been remarkable. The light guide body has a wide range of applications such as optical communication, data highway, various process control, office automation, and computer industry.
Optical components, image guides, displays, etc. of the terminal have been developed, and a light guide having a band shape, a rectangular shape, a round shape, a triangular shape or the like is required.

However, when manufacturing a light guide having such a shape, first, a plurality of inorganic optical fibers and a light guide wire material such as a plastic optical fiber are arranged horizontally and coated with an adhesive and dried. Make a sheet-like object, apply an adhesive while stacking these sheet-like objects into a predetermined shape, and dry it again to solidify the adhesive to obtain a light guide body of the required shape. There is.

Since most of these operations are performed manually, there is a problem that the work efficiency is very poor and a uniform product cannot be obtained.

The present invention solves the above-mentioned problems, a long light guide can be formed by a small-diameter drum, the entire device can be made compact, and the light guide wire can be accurately placed at a preset position. It is an object of the present invention to make it possible to obtain a light guide body having a uniform shape and arranged in a matrix.

(Means for Solving the Problems) In the light guide manufacturing apparatus of the present invention, when the winding start pin and the folding pin are mounted on the circumferential surface of the body portion at a predetermined interval and the body portion is rotated, When the light beam material is wound around the circumferential surface from the winding start pin position toward the folding pin, and the light guide wire is wound up to the folding pin position, the body portion is rotated in the reverse direction to start winding the light guide wire. A drum mounted on a machine base or a turret arm so as to be wound toward the work pin, and a wire rod feeding mechanism that is installed close to the outer periphery of the drum and supplies a light guide wire rod to a predetermined position of the drum. A detector for detecting the position of the light guide wire wound around the drum, which is installed close to the outer periphery of the drum, and moves based on a signal from the detector to move the light guide wire. It is configured to include a guide for guiding to a predetermined position.

(Example) The structure of the manufacturing apparatus of the light guide of this invention is demonstrated based on drawing.

The overall schematic structure is as shown in FIGS. 1 to 3, and a wire rod supply unit 2 for supplying a light guide wire rod having a predetermined thickness, and the light guide wire rod are delivered with a constant tension. For adjusting the tension, a wire feed mechanism 4 for supplying the light guide wire to a predetermined position, a wire winding mechanism 5 for winding the light guide wire into a predetermined shape, and a wound light guide wire. It is composed of an adhesive application mechanism 6 for applying an adhesive for fixing each other and a heating mechanism 7 for drying and solidifying the adhesive.

The above-mentioned wire rod feeding mechanism 4 is movably mounted on the machine base 1 and is mounted on the movable bracket 11 so as to be movable in the left-right direction by the drive device 12, and movably mounted on the movable bracket 11.
The drive device 14 moves the movable bracket 11 in the front-back direction orthogonal to the moving direction of the movable bracket 11, and also drives the drive device (not shown).
It is composed of a movable arm 13 which is moved in the up and down direction by the above, and a wire rod delivery nozzle 15 attached to the end of the movable arm 13. The wire feeding mechanism 4 described above is provided with the nozzle 15
Is movable in the front-back, left-right, and up-down directions in the horizontal direction, but it may be moved only in the horizontal direction.

Further, the movable bracket 11 or the movable arm 13 is equipped with a holding device for temporarily holding the light guide wire and a cutting device (not shown) for cutting the light guide wire.

Next, the wire winding mechanism 5 is rotatably mounted on the machine base 1 via bearings, and a drive device for rotating the turret arm 17 at the end and the turret arm 17 at the other end.
The shaft 16 having the 18 mounted thereon and the drum 2 for mounting the wire rod around the output shaft 19a mounted on both ends of the turret arm 17.
The drive device 19 in which 0 is mounted and the light guide wire 8a are connected to the drum 20 _-1.
The arc-shaped guide 27 having a guide wall 27a for guiding to a predetermined position of the wire rod assembly member 23 mounted on the body of the drum 2
A movable bracket 25 that is integrally mounted so as to be adjacent to the outer peripheral portion of 0 and is movably mounted on the machine base 1, and the movable bracket 25 is placed at a position adjacent to the drum 20 during the winding operation of the light guide wire 8a. When the drum 17 is rotated, the drive device 26 that moves the drum 20 to the standby position where it does not contact the guide 27 and the wire rod assembly member 23 attached to the movable bracket 25 so as to be located outside the guide 27 It is composed of a detector 28 such as an autofocus camera for detecting the position of the existing light guide wire 8a and a camera with a charge coupling mechanism.

On the body of the drum 20 _-1 described above, a winding start pin 21 having a slit 21A for engaging the light guide wire 8a, a winding guide pin 22, and the light guide wire 8a are wound into a predetermined shape. A wire rod assembly member 23 for moving the wire rod and a folding pin 24 for folding the wire rod are mounted. As shown in FIG. 4, the cross section of the wire rod assembly member 23 is concave (No. 4-1).
), A U-shape (Fig. 4-2), a V-shape (Fig. 4-3) and the like.

The above-mentioned turret arm 17 has a double-sided structure, but can also be a single-sided structure, and the drum 20 is mounted directly on the output shaft 19a of the drive device 19, but the drum is mounted. The shaft may be rotatably attached to the turret arm and connected to the drive unit via a connecting mechanism such as a clutch.

Further, the adhesive application mechanism 6 has an adhesive reservoir 30 at an end thereof, and a movable bracket 29 movably mounted on the machine base 1.
And a drive device 31 for moving the adhesive reservoir 30 to a lower coating position of the drum 20 during a coating operation, and to a standby position where the drum 20 does not contact the adhesive reservoir 30 when the turret arm 17 is rotated. And the drive device 33, the adhesive reservoir 30
Adhesive application member moved from inside to application position of drum 20
It is composed of 32 and.

The above-mentioned adhesive agent reservoir 30 is moved in the longitudinal direction of the axis of the drum or in the direction orthogonal to the longitudinal direction of the axis.

On the other hand, the heating mechanism 7 installed on the heating take-out operation side
Uses an infrared irradiation heating device, a hot air jet heating device, or the like, and is configured so that the heating source can be moved to an optimum position on the adhesive application surface on the outer peripheral portion of the drum 20.

The above-mentioned driving devices, cylinders, holding devices, etc. are operated by a control device (not shown) including an operation setting input circuit, a memory circuit, a comparison operation circuit, an operation command circuit, and the like.

The operation of forming the light guide body by the light guide body manufacturing apparatus configured as described above will be described.

First, an operation sequence is set and input to a control device (not shown), and an external dimension is obtained to obtain a light guide body of a required length, and a groove portion 23A is provided to obtain a required cross-sectional shape. The shaft portions of the drums 20 _-1 , 20 _-2 on which the wire rod assembly member 23 is mounted are attached to the shafts 19 _a1 , 19 _a2 of the drive devices 19 _-1 , 19 _-2 , respectively.

Then, the winding package 8 of the light guide wire 8a for forming the light guide body is mounted on the wire supply unit 2, the end portion of the light guide wire 8a is pulled out and hung on the tension adjusting mechanism 3, and the nozzle
It is passed through 15 and held by a holding device (not shown).

When these are ready, an operation start signal is input to the control device to start it. Then, the turret arm 17 drive 18 is activated is rotated, the drum 20 _-1 to operating position winding the wire, the drum _20-2 is moved respectively to the heating extraction operation position. Then, the drive device 19 _-1 is activated to drive the drum 20.
_-1 is rotated in the direction of (a) in FIG. 6 to move the winding start pin 21 to the wire rod feeding position of the nozzle 15, the driving devices 12 and 14 are actuated to move the nozzle 15, and the light guide wire rod. 8a is locked in the slit 21A formed in the pin 21. The nozzle 15 is the pin for starting winding.
When the light guide wire 8a is wound around the pin by moving around the pin 21, the light guide wire 8a between the pinching device 21 and a pinching device (not shown) is cut by a cutting device (not shown).
Is disconnected. Then, the drive device 19 is activated and the drum 20
_-1 is rotated in the direction of (b) in Fig. 6,
The drive unit 14 is actuated to move the nozzle 15 together with the movable arm 13 toward the (c) side of the winding guide pin 22 _-1 in FIG. 5, and the light guide wire 8a is moved to the winding guide pin 22 _-1.
When it comes into contact with the peripheral surface of the nozzle 15, the nozzle 15 is stopped at that position. Then, when the drum 20 _-1 is continuously rotated, winding of the wire rod light guide 8a is started, and the light guide wire rod 8a is first inside the groove portion of the wire rod collecting member 23 _-1 , and then the winding guide pin 22a.
Wrap around _-2 . When the winding guide pin 22 _-2 passes through the nozzle 15 due to the rotation of the drum 20 _-1 , the drive device 14 is operated to move the nozzle 15 from the (c) side to the (d) side to guide the light. The wire 8a is wound around the outer circumference of the drum 20 _-1 . Then, the nozzle 15 is attached to the winding guide pin 22.
_When it moves to the (d) side position beyond _-3 , the nozzle 15 is stopped at that position, and the light guide wire 8a is wound around the guide pin 22.
_-3 is wound along the inner surface of the groove 23A of the wire rod assembly member 23 _-2 along the peripheral surface thereof, and then along the (d) side peripheral surface of the winding guide pin 22 _-4 . When the winding guide pin 22 _-4 passes through the nozzle 15, the drive device 14 is activated and the nozzle 15
Is moved from the (d) side to the (c) side, the drum 20 _-1 is further rotated, and the folding pin 24 is moved to the nozzle 15.
When part is the turn back pin 24 (c) side guide light material 8a along through the wound in the body of the drum 20 _-1, the driving device 14 is actuated from the nozzle 15 (c) side It is moved toward the (d) side, and at the same time, the drive device 19 _-1 is activated
20 _-1 is inverted and rotated in the direction of (a). The light guide wire 8a is wound around the folding pin 24, and the nozzle
When 15 moves to the (d) side of the winding guide pin 22 _-4 ,
The driving device (not shown) and the driving device 14 are actuated to move the nozzle 15 to a predetermined upper position, and the nozzle 15 is moved from the (d) side to the (c) side.
It is wound along the light guide wire 8a wound around the body part of _-1 . At this time, the detector 28 detects the position of the light-guiding wire 8a which is first wound, and the drive device 26 is operated so as to have a preset arrangement pitch, and the guide 27 is moved to a predetermined position. Then, when the drum 20 _-1 is rotated and the wire rod assembly member 23 _-2 passes through the position of the guide wall surface 27a of the guide 27, the light guide wire rod 8a causes the groove portion of the wire rod assembly member 23 _-2 .
The light guide wire which is guided and wound at a predetermined position of 23A, and is then wound first along the guide pin 22 _-3.
It is wrapped around 8a at a preset interval.
Then, the driving device 14 is actuated to move the nozzle 15 from the (d) side to the (c) side, and the nozzle 15 is wound along the light guide wire 8a previously wound around the drum 20 _-1 . . When the guide pin 22 _-2 is wound up to the (c) side position, the nozzle 15 is stopped at that position and the detector 28
By this, the position of the light guide wire 8a first wound around the wire collecting member 23 _-1 is detected, the drive device 26 is operated so as to have a preset arrangement pitch, and the guide 27 is moved to a predetermined position. It Then, the wire rod assembly member 23 _-1 is connected to the guide.
When passing through the position of the guide wall surface 27a of 27, the light guide wire rod 8a is guided and wound at a preset position of the groove portion 23A of the wire rod assembly member 23 _-1 . The drum 20 _-1 is wound continues along the (c) side peripheral surface of the rotating winding guide pins 22 _-1, when the wrapping guide pin 22 _-1 passes through the 15 parts of the nozzle, the driving device 14 When the nozzle 15 is operated and moved from the (C) side to the (D) side, and the light guide wire 8a is in contact with the (C) side peripheral surface of the winding start pin 21, the drum 20 _-1
Wrapped around the body of the. Then, when the nozzle 15 moves the winding start pin position 21 to the (d) side, the driving device 19 _-1 is inverted and the drum 20 _-1 is rotated in the (b) direction, and the driving device 14 is rotated. The nozzle 15 is operated to move from the (d) side to the (c) side, the light guide wire 8a is wound around the winding start pin position 21, and the nozzle 15 is located beyond the winding start pin 21. When moving to, the winding of the first line of the light guide wire 8a is completed.

Then, when the wire rod assembly members 23 _-1 , 23 _-2 move to the adhesive application position, the drive unit 32 operates to raise the application member 31 and the adhesive is applied to the light guide wire 8a.

Then, a driving device (not shown) is activated to move the movable arm 13
At the same time, the nozzle 15 is moved to a predetermined lower position, the driving device 19 _-1 is operated, the drum 20 _-1 is rotated in the (b) direction, and the light guide wire 8a in the second and subsequent rows is wound.

After the winding of the light guide wire 8a in a predetermined row and the application of the adhesive are completed, the nozzle 15 is moved to hold the light guide wire 8a by a holding device (not shown), and then by a cutting device (not shown). guiding light material 8a between the nozzle 15 and the drum 20 _-1 it is disconnected. Then, the drive device 18 is activated and the turret arm 17
Is rotated and the drum 20 _-1 in the winding operation position is moved to the heating / unloading position
_-2 is moved to the winding operation position. Then, the heating mechanism 7 operates to raise the temperature of the heating source to a predetermined temperature, and the driving device
When 19 _-1 operates and the drum 20 _-1 is rotated to move the adhesive applying section to the heating position where the heating source is located, the adhesive applied to the light guide wire 8a is dried and solidified.

When the above-described operation is done, the start pin 21 wrapped and folded pin 24 withdrawn from the drum 20 _-1, removed lightguide 9 which is formed in a loop shape from the body portion of the drum 20 _-1, the wrapping start The light guide wire 8a located between the pin 21 and the wire rod assembly member 23 _-1 , and the folding pin 24 and the wire rod member 23 _-2.
The light guide wire 8a located between the
As shown in the figure, the light guide 9 can be obtained in which both ends are adhered and solidified into predetermined shapes 9a and 9b, and each light guide wire 8a is separated in the middle.

While the light guide wire 8a wound around the body of the drum 20 _-1 is heated and taken out, the light guide wire 8a is wound around the drum 20 _-2 and the light guide body is continuously guided. Can be manufactured.

(Effect of the Invention) In the light guide manufacturing apparatus of the present invention, the winding start pin and the folding pin are mounted on the peripheral surface of the body portion at a predetermined interval, and when the body portion is rotated, the light guide wire is When the light guide wire is wound around the circumferential surface from the winding start pin position toward the folding pin, and the light guide wire is wound up to the folding pin position, the body portion is rotated in the reverse direction, and the light guide wire is directed toward the winding start pin. A drum mounted on a machine base or a turret arm so as to be wound around, and a wire rod feeding mechanism that is installed close to an outer peripheral portion of the drum and that supplies a light guide wire rod to a predetermined position of the drum, and the drum. The detector for detecting the position of the light guide wire wound around the drum, which is installed close to the outer periphery of the drum, and moves based on the signal from the detector to move the light guide wire to a predetermined position. Plan Since the guide for insertion is provided, the following effects can be obtained.

(1) A winding start pin and a folding pin are mounted on the circumferential surface of the body portion of the light guide wire rod at a predetermined interval, and when the body portion is rotated, the light guide wire rod is wound around the circumferential surface and the position of the winding start pin is set. From the winding head toward the folding pin, when the light guide wire is wound up to the folding pin position, the body is rotated in the reverse direction so that the light guide wire is wound toward the winding start pin. Alternatively, since it is wound around the body of the drum mounted on the turret arm, a long light guide can be formed by a small-diameter drum, and the entire mounting can be made compact.

(2) Since the light guide wire is wound while the guide position is controlled by the signal from the detector that detects the position of the wound light guide wire, the light guide wire is placed at a preset position. The light guides that can be accurately arranged and have a uniform shape can be obtained.

[Brief description of drawings]

FIG. 1 is a schematic front view showing one embodiment of the light guide manufacturing apparatus of the present invention. FIG. 2 is an enlarged plan view of FIG. FIG. 3 is a view on arrow Z in FIG. FIG. 4 is a schematic sectional view showing the shape of the groove portion of the wire rod assembly member. FIG. 5 is a schematic view showing a state where the light guide wire is wound around the drum. FIG. 6 is a view on arrow Y in FIG. FIG. 7 is a schematic perspective view showing an embodiment of a light guide obtained by the light guide manufacturing apparatus of the present invention. 1: Machine stand, 2: Wire material supply part, 3: Tension adjustment mechanism, 4: Wire material feeding mechanism, 5: Wire material winding mechanism, 6: Adhesive application mechanism, 7: Heating mechanism, 8: Package, 8a: Light guide wire material , 11: Movable bracket, 13: Movable arm, 15: Nozzle 17: Turret arm, 20: Drum, 21: Winding start pin, 22: Winding guide pin, 23: Wire rod assembly member, 24: Folding pin, 27 : Guide, 28: Detector, 29: Movable bracket, 30: Adhesive reservoir, 32: Adhesive application member,

Claims (1)

[Claims] 1. A winding start pin and a folding back pin are mounted on a peripheral surface of a body portion at a predetermined interval, and when the body portion is rotated, a light guide wire is wrapped around the peripheral surface from a winding start pin position for folding back. When it is wound toward the pin and the light guide wire is wound up to the folding pin position, the body portion is rotated in the reverse direction so that the light guide wire is wound toward the winding start pin. A drum mounted on the drum, and a wire rod feeding mechanism that is installed close to the outer peripheral portion of the drum and that supplies a light guide wire to a predetermined position of the drum; and a wire rod feeding mechanism that is installed near the outer peripheral portion of the drum. Consists of a detector for detecting the position of the light guide wire wound around the drum, and a guide for moving the light guide wire to a predetermined position by moving based on a signal from the detector. Apparatus for manufacturing a light guide, characterized in that it occupies.