JPH01209276A - Rewinding device for flange spread bobbin and its rewinding control method - Google Patents

Abstract

PURPOSE:To automatically perform sound rewinding by providing a bobbin rotating motor, transmitter unit transmitting a rotary speed signal following rotation of the motor, arithmetic control unit and a traverse driving motor able to control a rotary speed and an inverse rotation position by an instruction of the arithmetic control unit. CONSTITUTION:In accordance with rotation of a bobbin rotating motor 1, when a rotation pulse signal A is input to a control unit 30, it detects a rotary speed of a bobbin 20 by the signal A. According to a previously given program, the control unit 30 calculates an optimum traverse moving amount in accordance with a winding diameter of the bobbin and size or the like of its wound wire rod unit 40 in that time, generating a drive instruction B to a traverse driving motor 3. A traverse is performed while integrating the calculated moving amount per one rotation, when integration reaches a necessary quantity, the traverse is inverted, when this action is repeated by a number N of times, the moving amount of the traverse is added by one, hereinafter the addition is performed in every times N. This value of N is calculated in the control unit 30 obtaining the optimum value.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a winding device for suitably winding a filament on a flanged bobbin, and a winding control method thereof.

[Prior Art and Problems] Silk filaments such as enamelled wires are wound onto bobbins after being coated with enamel and supplied to the market.

Conventionally, a bobbin for winding such a filament has a parallel collar 21-. 22-, and a traverse mechanism is used to wind the filament 40 onto the bobbin 20''.See Figures 4 and 5 below for such conventional winding operations. and explain.

The filament body 40 is taken up by the take-up capstan 8 of the take-up machine 7 and transferred to the bobbin 2 of the winding machine 10 via the traverser 11.
It is wound up to 0-. In the figure, 1' is a winding motor for rotating the bobbin 20- and winding the filament 40 while keeping the tension within a certain range.

The traverser 11 is fitted onto a helical shaft 12 that is rotated by a traverse movement motor 13, and moves back and forth from side to side in the figure by forward and reverse rotation of the helical shaft 12, thereby orderly winding the filament 40 around the bobbin 20. . Reference numerals 14 and 15 indicate limit switches, and the traverser 11 moves while traversing the filament 40, and when it reaches the collar 21゛ or 22゛, the rotation of the motor 13 is reversed to move the filament in the opposite direction. It is for the purpose of

However, the bobbin 20- of the above conventional structure has a flange 21.
−． 22- are attached in parallel, it is inevitable that the filament bodies at both ends of the bobbin will rub against the inner surface of the collar during winding and unwinding. If the wire diameter of the filament is relatively thick, the enamel coating is thick, and even if there is some friction with the inner surface of the collar, it will not be a big problem. However, for precision enamelled wire for electronics, which has a small wire diameter and requires a strong enamel coating, the friction with the collar can make the surface unhealthy and prevent smooth winding and unwinding. This may cause deterioration of the quality of the striatum.

Therefore, as a bobbin for winding the precision silk filament as described above, a collar angle as shown in FIG.
5°) is now used. If the flanges 21 and 22 have an outwardly expanding angle as described above, there is no fear that the filament 40 will be rubbed by the inner surface of the flanges.

Although the above solution solved the problem of friction caused by the inner surface of the collar, a new difficult problem arose. This is a problem in the winding means when winding the filament body 40 onto the flanged bobbin 20. When the flange bobbin 20 is used and the filament 40 is wound up by the traverser 11 having the conventional configuration as shown in FIG. 6, the limit switches 13, 14 .
If the reversal is performed at
occurs, resulting in poor winding. In order to minimize such winding defects, it is necessary for the operator to adjust the position of the limit switch one by one as the filament winding progresses, which not only makes the work extremely complicated but also requires a This was a waste of time and a major factor leading to high costs.

[Object of the Invention] The present invention has been made in view of the above-mentioned circumstances, and it eliminates the manual adjustment work and automatically performs the winding of a filament using a flange-spreading bobbin. The present invention aims to provide a new winding device and a winding control method that can perform sound winding.

[Summary of the Invention] The present invention enables the rotational speed of the bobbin to be inputted to an arithmetic and control unit by, for example, pulse transmission, calculates the amount of traverse movement required for the rotation, and calculates the calculated amount of movement per rotation. The traverse is performed while integrating, and when the required number of integrations is reached, the traverse is reversed, and when this is repeated 8 times, the amount of traverse movement is added by 1, and the addition is made every N times thereafter. There is a control method and a device that can perform it, and by calculating the optimal value of N with a calculation device and being able to output it to the traverse mechanism, it can be applied to any wire diameter and any flange expansion angle. This is to ensure that sound winding is always established.

[Examples] The present invention will be sequentially described below based on Examples.

FIG. 1 is an explanatory diagram showing an outline of a winding device according to the present invention. Reference numeral 1 designates a motor that rotates the wide-flange bobbin 20, and it is appropriate to use a torque motor in order to maintain the tension of the filament at a constant level.

The motor 1 is configured to transmit a rotation signal, such as a pulse signal, as the motor 1 rotates, and to input the rotation pulse signal A to the arithmetic and control unit 30. Since the rotation of the motor 1, that is, the rotation speed of the bobbin 20 due to the rotation of the motor 1 can be determined from the pulse signal A, the outer diameter of the filament 40 to be wound and the bobbin 2 can be determined.
For the zero winding, the necessary traverse movement amount per rotation of the bobbin 20 can be calculated by the arithmetic and control device 30, taking into consideration the diameter and the like. Based on the calculation result, a drive signal B is output to the traverse drive motor 3 to give a drive command.

In this embodiment, the bobbin rotation motor 1 is connected to the fixed base 2.
It is assumed that the movable table 4 is fixed to the position shown in FIG. With this configuration and the guide 9 of the filamentary body 40 being fixed, the bobbin 20 reciprocates in the axial direction to perform a traverse during bobbin winding. However, this is for illustrative purposes only and, like the conventional example already described, the guide 9
may be configured to move back and forth, and there is no particular choice in the configuration. However, it is necessary for the traverse drive motor 3 to be able to accurately control its drive amount, that is, the amount of traverse movement, in accordance with the commands from the control device 30, and it is not possible to control the rotation speed accurately like a pulse motor. There needs to be.

In FIG. 1, 5 and 6 are traverse position detection sensors, and in this embodiment, the needles 5 and 6 are configured to detect the center point of the traverse and the difficult length from the center point, and the detection results are signaled. is input to the control device 30 as

7 is a take-up machine, and 8 is a take-off capstan, which are not particularly different from the conventional example.

Next, with reference to FIGS. 2 and 3, a description will be given of a case in which a filament is wound using the control method according to the present invention using the apparatus according to the present invention configured as described above.

When the rotation pulse signal A is input to the control device 30 as the bobbin rotation motor 1 rotates, the control device 30 detects the rotation speed of the bobbin 20 and adjusts the bobbin at that time according to a predetermined program. For winding, an optimum traverse movement amount is calculated according to the diameter and the diameter of the filament to be wound, and a drive command B is issued to the traverse drive motor 3.

In FIG. 2, XO is the traverse movement amount per bobbin rotation calculated in this way.

Naturally, the value of XO increases as the diameter of the filament to be wound is thicker, and decreases as the diameter of the filament is thinner.

The center point P of the entire traverse length is given by the traverse position detection sensors 5 and 6 shown above with a signal, and the control device 30 performs a unit traverse movement nXO from the center point P toward the tsuba 21.

The traverse drive command B continues to be issued while being integrated.

Then, when the cumulative number of XOs reaches a predetermined value X1, the control device 30 issues a reversal command C to reverse the traverse movement. In this way, after passing through the center point P and traversing to the crocodile on the opposite side (22 in FIG. 6), when the cumulative number X1 is reached, a re-inversion command C is issued to cause the traverse to move toward the tsuba 21 again.

The above traverse of X1 is repeated N times. This value N may be calculated by the arithmetic and control device based on the size of the expansion angle of the collar and the outer diameter of the filament, and the optimum N value may be calculated for each.

When traversing is performed N times with the above-mentioned traverse length Xl, the value of XO accumulated in one traverse is increased by one to X2. That is, X2 = X1 +
Next, as XO, traverse is performed N times using X2, and after 8 times, one more XO is added. From now on, if you traverse by sequentially performing the operation Xn = Winding can be performed. Moreover, since the addition of XO mentioned above is automatically calculated and given by the control device, and N is automatically selected in the same way, there is no need for any operation by the operator, which saves a lot of time and effort. Labor saving is achieved.

In addition, if an attempt is made to maintain a constant tension, the winding rotation speed will also decrease as the filament is wound around the bobbin. Accordingly, XO also becomes proportionally smaller.

In this case, it would normally be necessary to reduce the number of times N is used, but the diameter ratio between the beginning and end of winding is 2.0 to 2.
If the winding is performed below the normal range of about 5, there will not be much difference in appearance even if the N value is not changed.

Further, although there is no particular limitation on the outer diameter of the filament to be wound up, the effect of the present invention is particularly remarkable for thin objects with a diameter of 0.3 or less. Furthermore, it goes without saying that the flange angle of the bobbin to which the present invention is applied is not limited to 45° as shown in the above embodiment.

[Effects of the Invention] As described above, according to the winding device and the winding control method of the present invention, it is possible to always wind the filament on the flanged bobbin in an orderly manner, and moreover, it is possible to do so without using a limit switch for reversing. Its industrial value is that it eliminates the need to allocate workers to adjust the traverse length, which was required in the past, resulting in labor and time savings and a significant cost reduction. There is something really big here.

[Brief explanation of the drawing]

FIG. 1 is an explanatory diagram showing a specific configuration example of the device according to the present invention, FIGS. 2 and 3 are explanatory diagrams showing the traverse control situation according to the present invention, and FIG. Fig. 5 is an explanatory drawing showing the traverse situation in a conventional bobbin, Fig. 6 is an explanatory drawing showing the case where the conventional traverse method is applied to a flanged-flange bobbin, and Fig. 7 is an explanatory drawing showing the traverse situation in a conventional bobbin. It is an explanatory view showing a rolled up state. 1: Bobbin rotation motor, 2: Fixed base, 3: Traverse drive motor, 4: Traverse moving base, 5.6: Traverse position detection sensor, 7: Taking machine, 8: Taking capstan, 9 Ni guide, 10: Winding machine, 20: Bobbin, 30: Arithmetic control unit, 40: Striatum. Agent Patent Attorney Fujio Sato 2, J missing? 32 To1ζ-s Af+Ko! R Jetan 9n
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Claims (2)

[Claims] (1) A motor for rotating the bobbin, a transmitting device capable of transmitting a rotation signal as the motor rotates, an arithmetic control device into which the signal is input, and a control unit connected to the arithmetic control device to control the rotation speed and reversal position according to the commands of the arithmetic control device. A winding device for a flared bobbin, comprising a traverse drive motor. (2) The rotation signal accompanying the rotation of the bobbin is input to the arithmetic and control unit to calculate the amount of traverse movement required for one revolution of the bobbin, and the calculation result is input to the traverse drive motor and the motor is operated while sequentially adding the values. When the added number reaches a predetermined reversal imparting condition number, a reversal signal is input to the traverse drive motor to reverse it, and the same repetition is performed, and the number of repetitions is determined by the bobbin flange angle and winding. A method for controlling the winding of a flange-spreading bobbin, in which the number of additions until the traverse drive motor is reversed is increased by one when the number of times determined by the diameter of the filament is N, and thereafter it is increased by one every N times.