JPH06318529A - Taping device - Google Patents

Abstract

PURPOSE:To detect break and absence of a tape without delay and accurately. CONSTITUTION:A sensor 10 for detecting break of a tape 2 and a current collector ring for transferring electric signals from the sensor are provided. A tape holder 5 is allowed to rotate by a predetermined angle with respect to a rotating ring 3, and as the tape holder 5 is pulled by a coil spring 15 in one direction, it rotates stretching the spring against the tension of the spring during taping, and when the tape is broken it returns to the original position by the force of the spring 15 and actuates the sensor 10 thereby to detect the tape break through the current collector ring. With this, the overrun from the break of the tape to the stop of the taping is minimized and erroneous detection of the break of the tape is accurately prevented.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a taping device for insulating a coil of, for example, an electric motor.

[0002]

2. Description of the Related Art FIG. 7 is a front view showing an example of a conventional taping device of this type. In the drawing, 1 is a coil wire, 2 is a tape wound around the coil wire 1, 3 is an outer frame 4 A rotating ring that is supported by and has an outer periphery formed into a gear,
Reference numeral 5 is a tape holder supported by the rotating ring 3, and 6 is a gear supported by the outer frame 4 and driving the rotating ring 3. An intermediate roller 7 is arranged between the wire 1 and the tape holder 5 and is rotatably supported by the rotating ring 3. The intermediate roller 7 is rotated by the movement of the tape and its side surface is color-divided into black and white. Reference numeral 8 denotes a sensor for identifying the color of the side surface of the intermediate roller 7, which is supported by a mounting plate 9 fixed to the outer frame 6.

Next, the operation will be described. Since the tape 2 is pulled out during taping, the intermediate roller 7 is reliably rotated by the frictional force due to the tape tension, and the rotating ring 3 is rotating during taping.
The color information of the side surface of the intermediate roller 7 enters the sensor 8 every one rotation of the rotating ring 3. Here, if taping is normally performed, the color information entering the sensor 8 will be black and white at random, but if the tape 2 is broken or there is no tape during taping, it will be an intermediate value. Since the roller 7 does not rotate, all the color information that enters the sensor 8 becomes the same color. Therefore, by monitoring this color information, it is possible to detect the breakage of the tape 2 or the absence of the tape. it can.

[0004]

Since the conventional taping device is constructed as described above, in order to detect the breakage of the tape, the color information coming into the sensor is continuously detected for a certain amount or more and the same color is detected. If the intermediate roller has the same color for several rotations of the rotating ring in time, it is wasteful that it takes several rotations until the rotating ring stops after the tape breaks. However, there was a problem that the tape was erroneously detected as broken.

The present invention has been made to solve the above problems, and an object of the present invention is to provide a taping device capable of immediately and accurately detecting the state of tape breakage and the absence of tape.

[0006]

In the taping device according to the present invention, a sensor and a current collecting ring are installed on a rotating ring so that the electrical signal detected by the sensor for the presence or absence of breakage of the tape is transferred to the current collecting ring. It is possible to continuously output to the outside of the rotating ring via the.

The taping device according to the present invention is
A sensor for detecting the presence / absence of the tape is arranged at an intermediate position of the tape so as to face the tape.

The taping device according to the present invention is
A detection sensor is arranged so as to face a color-dividing intermediate roller provided between the tape holder and the coil wire.

[0009]

According to the present invention, by continuously outputting the electric signal of the sensor to the outside by the current collecting ring provided on the rotating ring, it is possible to immediately and accurately detect the state of the tape breakage or the absence of the tape. Therefore, it is possible to improve the efficiency and quality of taping.

Further, in the present invention, since the sensor is provided so as to face the intermediate position of the feeding tape, it is possible to immediately judge the state of the break or the absence of the tape as in the above.

Further, according to the present invention, a sensor is provided so as to face the color-separated intermediate roller, and it is possible to know the state of the tape immediately and accurately from the color information.

[0012]

【Example】

Example 1. An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a front view of a taping device according to the present invention (a view corresponding to FIG. 7), FIG. 2 is a cross-sectional side view thereof, FIG. 3 is a cross-sectional view of a tape holder portion, and FIGS. In the figure, 1 to 6 are the same parts as the above-mentioned conventional device, and therefore the description thereof is omitted. 3a is an insulating ring integrally fixed to the rotating ring 3, 10 is a sensor consisting of a limit switch mounted on the insulating ring, and 11 is a current collecting ring for taking out an electric signal from the limit switch 10 to the outside. , 12 are current collecting brushes, and 13 is a motor attached to the outer frame 4 for driving the gear 6. The tape holder 5 has its shaft end inserted into the hole 3b of the rotating ring 3 and is held so as to be rotatable by a predetermined angle as described later. 5a
Is a core in which the tape is wound in a hoop shape, 5b is a leaf spring for generating tension in the tape 2, and 5c is a leaf spring 5b.
The holder that fits in the tape holder 5 under the reaction force of
Reference numeral d denotes a nut for preventing the holder 5c from falling off the tape holder 5, and reference numeral 5e denotes an arc-shaped guide hole provided in the tape holder 5, and one end of the post 14 provided in the rotary ring 3 is provided in this hole. It is stuck. Reference numeral 15 is a spring receiving pin 1 fixed to the post 14 and the rotary ring 3.
The tape holder 5 is pulled through the post 14 by a certain angle in the direction opposite to the feeding direction of the tape 2 by means of the coil spring, and at the time of taping, as shown in FIG. Against this, the tape holder 5 is fed out while rotating the tape holder 5 in the opposite direction by a fixed angle.

Next, the operation will be described. During taping, due to the frictional force between the tape holder 5 and the tape 2 when the tape 2 is delivered, the tape holder 5 overcomes the spring force of the coil spring 15 and rotates in the direction of arrow a as shown in FIG. 4a. Next, if the tape breaks, coil spring 1
Since the tension of the tape 2 which has stretched 5 is released, the tape holder 5 rotates in the direction of arrow b by the spring force of the coil spring 15 and the post 14 operates the limit switch 10 as shown in FIG. 4B. The electric signal of the limit switch 10 is output to the outside via the current collecting ring 11 and the current collecting brush 12. Further, even when the inside of the tape holder 5 is absent, the tension of the tape 2 hung on the tape holder 5 disappears, and similarly the post 14 operates the limit switch 10. Since the tape holder 5 is always given a force by the coil spring 15 in a direction opposite to the feeding direction of the tape 2, a constant tension can be maintained with respect to the tape 2.

Example 2. FIG. 5 shows another embodiment of the present invention. In FIG. 5, 1 to 6 are the same as those in the first embodiment. Reference numeral 21 denotes a sensor that is provided so as to face the intermediate position of the delivery tape 2 and detects the presence or absence of the tape. This sensor 21 is mounted on a mounting plate 22 provided on the rotary ring 3.

Next, the operation will be described. If the tape is normally taped, the tape 2 is fed from the tape holder 5 in a straight line from the tape holder 5 to the coil wire 1 by the tension, so that the tape 2 can be detected by the sensor 21. Next, when the tape is broken, the tape 2 disappears from the line between the tape holder 5 and the coil element wire 1, so that the sensor 21 cannot detect the tape 2 and it is possible to determine whether the tape is broken or there is no tape. Become.

Embodiment 3. Further, FIG. 6 shows still another embodiment of the present invention. In FIG.
Since it is the same as the conventional device of No. 1, the description thereof will be omitted. Reference numeral 23 is a sensor arranged to face the color-divided intermediate roller 7, and reference numeral 24 is a mounting plate for the sensor 23, which is a rotary ring 3
Installed on.

Next, the operation will be described. If the taping is normally performed, the intermediate roller 7 rotates in the same manner as in the above-described conventional art, so that the color information input to the sensor 23 is alternately black and white. Next, when the tape is broken, the color information coming into the sensor 23 will be continuous black or white. That is, the sensor 23
By monitoring the incoming color information, the breakage of the tape or the absence of the tape can be reliably detected without interruption.

[0018]

As described above, according to the present invention, since the current collecting ring is used to take out the electric signal of the sensor or the like to the outside, the sensor can be arranged on the rotating ring, so that the tape breaks. Further, there is an effect that a signal without a tape can be detected immediately and accurately regardless of the rotational position of the rotating ring.

Further, according to the present invention, since the detection sensor is arranged at the intermediate position of the feeding tape itself or facing the intermediate roller for color division, the state of the tape can be detected accurately and immediately with an extremely simple structure. obtain.

[Brief description of drawings]

FIG. 1 is a front view showing a taping device according to an embodiment of the present invention.

FIG. 2 is a sectional side view showing a taping device according to an embodiment of the present invention.

FIG. 3 is a sectional side view of the tape holder portion according to the embodiment of the present invention.

FIG. 4 is an operation explanatory view showing the tape holder at the time of taping (a) and at the time of tape breaking (b) according to the embodiment of the present invention.

FIG. 5 is a front view showing a taping device according to another embodiment of the present invention.

FIG. 6 is a front view showing a taping device according to still another embodiment of the present invention.

FIG. 7 is a front view showing a conventional taping device.

[Explanation of symbols]

 1 Coil Element 2 Tape 3 Rotation Ring 4 Outer Frame 5 Tape Holder 6 Gear 7 Intermediate Roller 10 Limit Switch 11 Current Collection Ring 12 Current Collection Brush 14 Post 15 Coil Spring 16 Spring Bearing Pins 21, 23 Sensors 22, 24 Mounting Plate

Claims (3)

[Claims] 1. A rotating ring installed so as to be rotatable around a coil wire, and a tape holder supported by the rotating ring. The tape is fed from the tape holder by giving rotational motion to the rotating ring. In a taping device for taping a coil wire by generating an orbital motion and a rotation motion around the coil wire, a sensor and a current collecting ring for transmitting an electric signal of the sensor to the outside of the device on the rotating ring. By holding a post provided on the rotating ring in an arc hole of the tape holder, the tape holder is held rotatably by a certain angle with respect to the rotating ring, and a coil spring is hung on the post. This coil spring normally applies a tensile force in a certain direction, and when taping, it rotates a certain angle in the opposite direction against this. When the tape breaks during taping, the tape holder reverses its original position by the action of the coil spring to operate the sensor. 2. A rotating ring installed so as to be rotatable around a coil wire, and a tape holder supported by the rotating ring. The rotating ring is provided with a rotating motion, and the tape is fed from the tape holder. In a taping device for taping a coil wire by generating an orbital motion and a revolving motion around the coil wire, the tape is placed facing the intermediate position of the feeding tape between the tape holder and the coil wire. A taping device, which is equipped with a sensor for detecting the presence or absence. 3. A rotating ring rotatably installed around a coil wire, and a tape holder supported by the rotating ring. The rotating ring is provided with a rotating motion, and the tape is fed from the tape holder. In a taping device for taping a coil wire by generating an orbital motion and a rotation motion about the coil wire, the taping device is arranged on the rotating ring at an intermediate position of the feeding tape between the tape holder and the coil wire. A taping device, characterized in that a sensor for monitoring the color information is installed facing the intermediate roller of the color division.