JPH0786067B2 - Filament winding device and automatic winding switching method - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a winding device used when winding a filament on a bobbin and a method for automatically switching winding bobbins using the winding device. .

[Prior Art] When winding a relatively fine filamentous body, a switching turret having two winding shafts is used, and when winding of a bobbin set on one shaft becomes a tape measure. It is common practice to set an empty bobbin on the other shaft, rotate the turret to switch the positions of the tape measure bobbin and empty bobbin to replace the bobbin, and continuously wind the filament without stopping the take-up machine. Has been done.

In this case, when the linear body is transferred to the empty bobbin, the linear body is cut from the full-length bobbin, the cut winding terminal is hooked on the empty bobbin, and the winding to the empty bobbin is started. It is like this.

[Problems to be Solved by the Invention] When the winding switching is performed as described above, a filament is often generated, and this tendency is particularly observed in the case of an ultrafine wire. This is because tension fluctuation occurs when the filament is transferred from the full-scale bobbin to the empty bobbin, and the variation range exceeds the safe allowable tension of the filament. The main reason for this is that the take-up speed of the cleaning body and the rotation speed of the empty bobbin do not match.In addition, abnormal catching of the filament on the switching claw and Incomplete cutting, abnormality of outer circumference of empty bobbin, and abnormal contact with it.

Originally, the torque of the winding motor is set to be less than the expansion force of the filament body, so even if the above problems occur at the time of switching, disconnection can be avoided in the normal size filament body, and the wire on the bobbin surface can be avoided. It was possible to avoid the wire breakage by winding the strip body while slipping. However, in the case of an ultrafine wire, the tensile strength of the filament is very small, and it is not possible to sufficiently cope with the abnormality at the time of switching, leading to disconnection.

An object of the present invention is to solve the problems of the prior art as described above, and particularly to reduce the tension fluctuation at the time of winding switching in ultrafine wire and to eliminate the occurrence of disconnection at switching. An apparatus and an automatic winding switching method are provided.

[Means for Solving the Problem] The winding device of the present invention is a two-winding shaft (5, 5 ') which is arranged in the switching turret (1), and bobbins (10, 10') are attached to each of them. ), And a DC motor (2, 2 ') attached to each of the winding shafts (5, 5') so as to give an independent driving force to each of the winding shafts (5, 5 '), A rotation detecting sensor (7, 7 ') for detecting the rotational peripheral speed of the bobbin (10, 10') by measuring the number of rotations of the winding shaft (5, 5 '), and a rotation detector sensor (7, 7') provided on the take-up machine side. The take-up speed detection sensor (11) that detects the take-up speed of the filament and the drive signals (B, B ') are output to the DC motors (2, 2') and the take-up speed detection sensor (11) Based on the speed signal (D) and the rotation speed signal (C ') from the rotation detection sensor (7'), the rotational peripheral speed of the empty bobbin (10 ') is pulled by the linear body. Those characterized by comprising and an arithmetic control unit (A) for outputting an operation signal from the detection that the tuning to speed the turret drive motor (9).

Further, according to the automatic winding switching method of the present invention, an empty bobbin (10 ') for switching to one winding shaft (5') in the automatic winding device.
Is set to detect the take-up speed signal (D) of the linear body, while a drive signal is output to the empty bobbin side DC motor (2 ') for driving, and the empty bobbin (1' is detected by the rotation detection sensor (7 ').
0 ') is detected, the detection signal is input to the arithmetic and control unit (A), and when it is detected that the rotation peripheral speed of the empty bobbin (10') is synchronized with the take-up speed of the filament, the turret. It is characterized by outputting an operation signal to the drive motor (9) to operate the drive motor (9) to automatically switch the filamentous body from the fully wound bobbin to the empty bobbin.

[Operation] In the winding device of the present invention, the DC motor (2, 2 ') is used as the winding motor, and the rotation speed of the winding shaft (5, 5') is detected in order to detect the rotating peripheral speed of the bobbin. A rotation detection sensor (7, 7 ') for measurement is provided, and a take-up speed detection sensor (11) for detecting the take-up speed of the filament is provided on the take-up machine side.
The drive signals (B, B ') are output to the DC motors (2, 2'), and the empty bobbin (10 ') is driven based on the take-up speed signal (D) and the rotation speed signal (C') of the empty bobbin (10 '). Since the operation control device (A) that outputs the operation signal to the turret drive motor (9) is provided after detecting that the rotational peripheral speed of ′) is synchronized with the take-up speed of the filament, the empty bobbin It is possible to synchronize the rotation peripheral speed of the and the traveling speed of the filament with high accuracy, and it is possible to switch the winding with the tension applied to the cleaning body being as small as possible, and to eliminate the occurrence of wire breakage. become able to.

[Embodiment] An embodiment of the present invention will be described below with reference to the accompanying drawings.

Reference numeral 1 is a turret having biaxial winding shafts 5 and 5'at symmetrical positions, and is configured to be rotatable around a shaft 1a.

Bobbins 10 and 10 'are attached to the take-up shafts 5 and 5'supported by the bearings 4, respectively, and a linear member (not shown) is taken up by being rotationally driven.

Reference numerals 2 and 2'denote winding drive motors for rotating the bobbins 10 and 10 ', for example, DC motors capable of winding the filaments at a constant tension are used. The driving force of the winding drive motors 2, 2'is transmitted to the winding shafts 5, 5'through the couplings 6, 6 ', and the bobbins 10, 10 are rotated.

On the other hand, in the present invention, rotation detecting sensors 7 and 7'for detecting the rotational peripheral speed of the bobbin by measuring the number of revolutions of the winding shafts 5 and 5'via the gears 3 and 3'are provided. , The detection signals C and C'are input to the arithmetic and control unit. The arithmetic and control unit A also receives the detection signal D of the take-up speed detection sensor 11 for detecting the take-up speed of the filament in the separately installed take-up machine, while the winding drive motors 2, 2 ' The rotary drive signals B and B'are output.

As the winding drive motors 2 and 2 ', it is preferable to use an inverter DC motor having a large initial rotation driving force, easy rotation control, and capable of winding the filament with a constant tension. It is convenient for controlling the tuning after the steady state.

The conventional winding motor is also given the role of applying a constant tension to the filament being wound, for example, a torque motor is used, but the empty bobbin before the filament is wound is still used. It is difficult to control rotation by this kind of motor. In the case of a torque motor, the rotation of the motor is not fixed in the state where there is no tensile torque due to the linear body, and the number of rotations in the unloaded state increases unnecessarily. As a result, abnormal tension is generated in the linear body at the time of switching, resulting in disconnection.

When the drive signals B and B'are output from the hydrochloric acid control device A to the winding drive motors 2 and 2 ', the motors 2 and 2'
Is driven to rotate. The bobbins 10, 1 are connected to the winding shafts 5, 5'connected to the motors 2, 2'through gears 3, 3 '.
Rotation detection sensors 7 and 7'having an encoder, for example, for detecting the rotational peripheral speed of 0'are provided, and the winding rotation signals C and C'detected thereby are input to the arithmetic and control unit A. The rotation detection sensors 7 and 7'are not limited to the encoders, and any detector that does not affect the driving of the motors 2 and 2'can be used.

On the other hand, there is a take-up speed detection sensor 11 for detecting the speed of the linear body on the take-up side which takes up the linear body, and the detection result is inputted to the arithmetic and control unit A as a take-up speed signal D. There is.

Now, bobbin 10 is full in the figure and is an empty bobbin.
Consider the case of switching to 10 '.

The take-up speed of the bobbin 10 which has become full length is detected by the take-up speed detecting sensor 11 and is input to the arithmetic and control unit A as a signal D. In order to synchronize with the take-up speed, the arithmetic and control unit A outputs a drive signal B'to the take-up drive motor 2'to drive the empty bobbin 10 'to rotate. The peripheral speed of the winding same diameter portion of the empty bobbin 10 ′ that has started to rotate is determined by the rotation detection sensor 7 ′.
Since the rotational speed signal C ′ detected by the above is input to the arithmetic and control unit A, the arithmetic and control unit A calculates the tuning of both based on the rotational speed signal C ′ and the take-up speed signal D. Then, when it is confirmed that the speed is synchronized with the take-up speed of the filament body of the tape measure bobbin 10 of the winding bobbin 10 ′ of the empty bobbin 10 ′, the turret 1 is rotated, and the full length bobbin 10 and the empty bobbin 10 ′ are rotated. Replace the position of. At this time of movement, the linear body that has become a tape measure is cut by the hook 8 of the full-scale bobbin 10, and the cut ends are hooked by the tabs (not shown) of the empty bobbin 10 'and continue as it is. Then, winding on the bobbin 10 'is started.

As described above, in the present invention, since the switching is performed under the condition that the linear speed at the time of switching the linear member and the peripheral speed of the bobbin winding the linear member are sufficiently synchronized, the linear member is switched at the time of switching. There is no risk of abnormal tension being applied to the body, which eliminates the risk of wire breakage. This tuning can be continuously controlled even after the winding is stabilized.

In the above, when driving the turret drive motor 9 for rotating the turret 1, an expansion mechanism is installed in the arithmetic and control unit A as shown in the figure, and when a general AC motor is used, this is turned ON / OFF. When the automatic control is performed and the pulse motor is used, the pulse signal P is output to automatically control and adjust the rotation angle and the speed, so that the arithmetic control unit A automatically switches the turret 1. You can

Further, when the present invention is applied to a superfine wire, etc., a double-sided adhesive tape or adhesive paint is provided on the body of the empty bobbin at the time of switching, so that the terminal capture at the time of switching the filament can be easily performed. You can train them.

[Advantages of the Invention] As described above, according to the present invention, since the linear velocity of the filament to be wound and the peripheral velocity of the bobbin that winds the filament are synchronized, the fluctuation in tension at the time of switching is minimized, and the ultrafine tension is minimized. Even with a wire, disconnection at the time of switching is eliminated, smooth winding can be secured, and it can greatly contribute to improvement in productivity, and this has a very great industrial advantage.

[Brief description of drawings]

The attached drawings are explanatory views showing a specific example of the winding device according to the present invention. 1: Turret 2, 2 ': Take-up drive motor 5, 5': Take-up shaft 7, 7 ': Rotation detection sensor 9: Turret drive motor 10, 10': Bobbin 11: Take-up detection sensor A: Arithmetic control device

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Yusuke Nakano, 1500 Kawajiri Town, Hitachi City, Hitachi, Ibaraki Prefecture Toraura Plant, Hitachi Cable Co., Ltd. (56) Reference JP-A-61-229778 (JP, A)

Claims (2)

[Claims] 1. Two winding shafts (5, 5 ') arranged on a switching turret (1), and bobbins (10, 10') are attached to each of them, and the winding shafts (5, 5 '). ) Independent driving force is set for each of the DC motors (2, 2 ') attached to each of the winding shafts (5, 5') and the number of rotations of the winding shafts (5, 5 '). By doing so, the rotation detection sensor (7, 7 ') for detecting the rotation peripheral speed of the bobbin (10, 10') and the take-up speed detection sensor (11 provided on the take-up machine side for detecting the take-up speed of the filamentous body. ) And a drive signal (B, B ') to the DC motor (2, 2'), and a take-up speed signal (D) from the take-up speed detection sensor (11) and a rotation detection sensor (7 '). Turret drive after detecting that the rotating peripheral speed of the empty bobbin (10 ') is synchronized with the take-up speed of the filament based on the rotating speed signal (C') The arithmetic and control unit (A) and striatum of the winding apparatus comprising a for outputting an operation signal to chromatography data (9). 2. A winding bobbin (10 ') for switching is set on one of the winding shafts (5') of the winding device according to claim 1 to detect a take-up speed signal (D) of the filament. , A drive signal is output to the empty bobbin side DC motor (2 ') for driving, the rotation detection sensor (7') detects the rotation peripheral speed of the empty bobbin (10 '), and the detection signal is calculated by the arithmetic control unit ( Input to A), and when it detects that the rotating peripheral speed of the empty bobbin (10 ') is synchronized with the take-up speed of the filament, it outputs an operation signal to the turret drive motor (9) to activate the filament, A method for winding and switching the filaments that automatically switches from a full bobbin to an empty bobbin.