JP2884450B2 - Winding machine with bobbin traverse width variation mechanism - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a winding machine for a wire rod such as an optical fiber and the like. ) Can be prevented from disturbing the winding of the wire at the time of, especially in the case of an optical fiber or an ultra-fine wire, in which it is desired to avoid applying excessive force such as twisting to the wire at the time of winding and drawing. It is effective for use in winders.

[0002]

2. Description of the Related Art A method of winding a wire such as an optical fiber ribbon onto a bobbin includes a traverse method in which a traverser for guiding the wire to the bobbin reciprocates left and right, and a bobbin traverse method in which the bobbin reciprocates right and left. There is. In the latter winding method, a method is adopted in which the stroke end of the bobbin is detected by a limit switch or the like, and the stroke direction of the bobbin, that is, the traverse direction is reversed by this detection signal. In this conventional method, the reversing positions at the left and right two points in the traverse direction are manually set based on the width between the bobbin flanges, that is, the width of the bobbin, and the adjustment is repeatedly performed manually. When using this method, when the winding position reaches the edge of the bobbin, the bobbin width may not be constant due to bobbin manufacturing errors, and may not be accurately adjusted by hand. The traverse position cannot be reversed, often resulting in turbulence. This turbulence occurs when the timing of reversal of the traverse direction is deviated. This turbulence is a major cause of deteriorating the transmission characteristics of the wire (especially remarkable when the wire is an optical fiber), and also causes a drawback in drawing the wire. For example, when taking a flat wire as an example, such as an optical fiber tape core wire, the winding may be collapsed by overlapping the mountain of the lower layer particularly at the brim, or it may be wound without depending on the brim, It is inevitable that a winding disturbance such as a tape core dropping into the gap occurs.

[0003]

SUMMARY OF THE INVENTION The present invention has been made in view of such circumstances, and in order to reliably prevent the winding of a wire from being disturbed, the reversal position of the bobbin in the traverse direction is set for each winding. It is an object of the present invention to provide a winding machine that can be changed.

[0004]

Means taken to solve the problem The means taken to solve the problem of the present invention are constituted by the following elements (a) to (g). (A) A detection projection is provided on the side surface of the winder that reciprocates left and right guided by the guide rail. (B) A pair of left and right sensors are mounted on a screw shaft parallel to the guide rail of the winder. Screwing the block and guiding the sensor block reciprocally to the left and right by a screw shaft; (c) mounting the optical sensors on the sensor block respectively; and (d) driving the screw shaft by a pulse motor. (E) transmitting the detection signal to the traverse drive control device when the optical sensor detects the position of the detected projection, thereby inverting the bobbin traverse drive motor; Was driven by a pulse motor, and this pulse motor was controlled by a traverse inversion position control device. It includes a processor, each time the traverse reversing operation, pre accordance programmed law, predetermined pitch position of the wire winding of the sensor block, controls the pulse motor to move from the reference position to the left and right.

[0005]

[Operation] The pulse motor is controlled by an external signal.
The sensor block is moved right and left along a screw axis parallel to the bobbin axis to determine the reference position of the optical sensor mounted on the sensor block. This adjustment is automatically performed by inputting data relating to the position of the winding path of the wire, the width of the bobbin, the thickness of the wire, and the like to the microprocessor of the traverse reversal position control device. In this state,
When the winding of the wire is started and the winding machine moves left and right, the edge of the detected protrusion is detected by one of the left and right optical sensors, and the detection signal is transmitted to the traverse control device of the bobbin traverse drive motor. Accordingly, the traverse control device reverses the bobbin traverse drive motor, and reverses the traverse direction of the bobbin. The timing of the start of the reversal is when the wire is wound up to a predetermined position on the edge of the bobbin. Therefore, the traverse direction of the bobbin is reversed when the wire is correctly wound up to a predetermined position at the time of the bobbin edge. The traverse direction of the bobbin is reversed, and the opposite edge of the opposite detected projection is detected by the optical sensor, and the traverse direction of the bobbin is reversed again. By repeating this operation, the wire is accurately wound up to a predetermined position.
On the other hand, when the edge of the detected projection is detected by the optical sensor, the detection signal is transmitted to the microprocessor of the traverse inversion position control device, and the traverse inversion position control device drives the pulse motor for driving the screw shaft. Then, the position of the sensor block is moved right and left by a predetermined pitch of the wire. By repeating this operation, the wire is wound with a predetermined pitch shifted with respect to the lower winding layer. Therefore, irrespective of the size of the bobbin, the width of the wire, or the like, it is possible to invert the inside of the bobbin once every two times of the inversion at each brim. In this case, it is possible to prevent the winding layer from being piled up on the mountain of the winding layer, and to prevent the rim from being vacant, thereby preventing the winding from being disturbed. The control of the pulse motor by the traverse reversal position control device is performed as follows. That is, first, when the wire is wound until it reaches one collar of the bobbin, the detection signal of the optical sensor is transmitted to the microprocessor of the traverse inversion position control device, and the pulse motor is controlled by the control device or the like according to a predetermined program. When driven, the left and right sensor blocks are moved leftward from the reference position by a predetermined pitch to prepare for the next leftward reversal of the traverse of the bobbin. When the wire reaches the other brim of the bobbin, the optical sensor of the sensor block that has moved to the left by a predetermined pitch detects the edge of the detected projection at that position. Therefore,
With the sensor position as it is, the traverse of the bobbin is reversed to the right, so that the optical sensor detects the edge of the detection target projection at the position where the wire is left at a predetermined pitch from one collar, and the traverse of the bobbin is performed. The left and right sensor blocks are moved rightward by a predetermined pitch while being inverted to the left. Then, the wire is wound up to a position leaving a predetermined pitch from the other collar. In this way, the traverse of the bobbin is reversed leftward and rightward (for the above sequence, refer to the winding order shown in FIG. 2).
The adjustment of the reference position of the optical sensor is automatically and accurately performed, and the timing of the traverse reversal is accurately detected by the optical sensor. Therefore, the timing of the reversal of the traverse direction of the bobbin and the stroke of each traverse are accurately measured.

[0006]

Embodiments Next, embodiments of the present invention will be described with reference to the drawings. The drawing shows an example of a multi-core optical fiber tape winding machine. FIG. 1 is a plan view of an embodiment of the present invention. The winder main body 1 is supported by a pair of guide rails 2 and 2 so as to be able to reciprocate (traverse) in the direction of arrow XX, and is driven by a traverse drive mechanism. Since the traverse drive mechanism is conventionally known and used, its detailed description is omitted. The drive motor of the traverse drive mechanism is controlled by a traverse drive control device. A sensor block driving screw shaft 4 parallel to the guide rail 2 is disposed on a side portion of the winder main body 1.
A pair of left and right sensor blocks 5, 5 are screwed to the screw shaft. The sensor blocks 5, 5 are slidably guided in the traverse direction XX by guide rails R parallel to the screw shaft 4. The screw shaft 4 is driven by a pulse motor 6. The reflection type optical sensors 7, 7 'are mounted on the sensor blocks 5, 5, and the direction of the light beam b is perpendicular to the screw axis 4. The moment when the right and left edges of the tip of the detection projection 3 projecting from the side surface of the winder main body 1 crosses the optical sensors 7, 7 'is detected by the reflective optical sensors 7, 7'. At the position where the optical fiber ribbon 10 is wound up to the flanges 9 and 9 ′ of the bobbin 8 mounted on the winder main body 1, the light beam b is projected to the detection projection 3
The positions of the sensor blocks 5, 5 are adjusted so as to coincide with the above edge. This adjustment is automatically performed by the traverse inversion position control device PC that controls the pulse motor. When the reference position S is determined, the traverse driving device starts operating, and the optical fiber ribbon 10 to the bobbin is started.
Winding is started. When one of the optical sensors 7, 7 'detects reflected light from the edge of the detected projection, the detection signal is transmitted to the traverse drive control device D of the winding machine.
C, the traverse drive motor DM (details not shown) is reversed to reverse the traverse direction of the bobbin. When one of the optical sensors 7 and 7 'detects reflected light from the edge of the projection to be detected, a detection signal is transmitted to a traverse inversion position control device PC for controlling the pulse motor 6, and the detection signal The pulse motor 6 performs predetermined forward rotation and reverse rotation according to a rule programmed in advance by the microprocessor of the traverse inversion position control device PC, and moves the left and right sensor blocks 5, 5 'by a predetermined pitch of the winding of the optical fiber ribbon. It is moved left and right from the reference position S to prepare for detection of the next traverse reversal position. Next, the sequence of the traverse inversion operation in the winding method of FIG. 2 will be described. The winding method according to the present embodiment is an example in which the tape core wire is intermittently wound at intervals of its width. The winding sequence proceeds from 2-1 to 2-4 according to the arrow. Initially, the position of the optical sensor block is on the left at a position where the tape ribbon is 1/2 pitch away from the edge, ie, at a position separated by the width of the tape core, and on the right, at the position where the tape ribbon is at the edge. is there.
Winding is started intermittently while leaving the half width of the tape on the right side of the bobbin, that is, the width of the tape core, leaving the tape width open, and when the tape reaches the left edge, it makes another round along the edge. 2-1). At the same time, the sensor is turned over once, and at the same time, the two sensors are moved to the left by a half pitch, that is, the width of the tape core wire while maintaining the interval. The tape core is wound to the right and intermittently at the point where it is open, and reaches to the right edge of the brim, but once it reaches the brim, it is wrapped another round as above (2-2). By this one reciprocation, the tape core is further wound around the bobbin with no gap at the edge of the bobbin. Next, the position of the sensor was kept as it was, and it was reversed only, and it was intermittently wound to the left while leaving the tape width, and this time, it reached the left end with a half pitch, that is, the width of the tape core wire. Occasionally, a circle is made along the plane perpendicular to the bobbin axis at that position (2-3). Next, at the same time as reversing, both sensors are moved to the right while maintaining the interval, by a 1/2 pitch, that is, the width of the tape core wire, and intermittently wound to the right while leaving the tape width, and this time, When a half pitch, that is, the width of the tape core wire is left at the right end, the circuit makes a round along the plane perpendicular to the bobbin axis at that position (2-4). Then repeat this. In this manner, the tape core wire is wound one by one in one reciprocation, and is always wound every other time when the bobbin is rimmed, so that the tape core wire is not wrapped.

[0007]

[Effect] The subject of the present invention is novel. Therefore, it is a unique effect of the present invention to solve this problem and to solve the problems inherent in the above-described conventional technology. Further, according to the present invention, the position of the sensor can be automatically set and adjusted, so that it is possible to save labor for setting and adjusting the position, thereby greatly reducing the cost for winding the wire. it can. Also, because it is wound while changing the traverse width, regardless of the bobbin width error due to manufacturing error,
The wire can be wound exactly up to the flange.
Therefore, there is no need to consider bobbin manufacturing errors in adjusting the position of the sensor. Furthermore, since the left and right edges of one detected projection can be detected by the two sensors, the traverse position detection mechanism and the sensor position adjustment mechanism can be extremely simplified. Furthermore, since the reliability of the prevention of winding disturbance is extremely high, there is no need for monitoring personnel to quickly detect the occurrence of winding disturbance, and the effect of reducing labor costs in this respect is great.

[Brief description of the drawings]

FIG. 1 is a plan view of an embodiment of the present invention.

FIG. 2 is an explanatory drawing showing an example of one winding procedure according to the present invention.

FIG. 3 is a conceptual diagram of a control mechanism.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Winder main body 2 ... Guide rail 3 ... Projection for detection 4 ... Screw shaft 5 ... Sensor block 6 ... Pulse motor 7, 7 '... Optical sensor 8 ... bobbins 9, 9 '... collar 10 ... optical fiber R ... guide rail b ... light beam S ... reference position DC ... traverse drive control device DM ... traverse drive Motor PC: Traverse reversal position control device

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-56-165666 (JP, A) Jiko 50-25018 (JP, Y1) (58) Fields investigated (Int. Cl. ⁶ , DB name) B65H 54/00-54/553

Claims (1)

(57) [Claims] 1. A detection projection is provided on a side surface of a winder main body reciprocating left and right guided by a guide rail, and a pair of left and right sensor blocks are mounted on a screw shaft parallel to the guide rail of the winder. At the same time as screwing, this sensor block is guided reciprocally to the left and right by a screw shaft, the optical sensor is mounted on each of the sensor blocks, the screw shaft is driven by a pulse motor, and the optical sensor is When the position is detected, the detection signal is transmitted to the traverse drive control device, whereby the bobbin traverse drive motor is reversed, the screw shaft is driven by the pulse motor, and the pulse motor is controlled by the traverse reverse position control device. The traverse inversion position control device has a microprocessor, and is programmed in advance every time the traverse inversion operation is performed. According the law, winding machine having a position of the sensor block predetermined pitch winding of the wire, the bobbin traverse width variation mechanism which is adapted to control the pulse motor so as to move from the reference position to the left and right.