JPH0655656A - Laminating device for prepreg - Google Patents

Abstract

PURPOSE:To obtain a laminated material of prepreg having high quality wherein adjacent prepregs are spaced at equal intervals. CONSTITUTION:A laminating device 1 of prepreg 3 comprises a lighting apparatus 13 which can irradiate a gap 9 between a prepreg 3 having been laminated and a prepreg 10 which is being laminated and adjacent to the prepreg 3, an imaging device 14 which picks up an image of the irradiated gap 9, and an image processing device 15 wherein the width of the gap 9 is measured and calculated based on a signal from the device 14, and the measured width is compared with a set value and if the measured value exceeds an allowable value, a lamination stop signal is delivered. And there are provided a data control device 16 wherein data of width calculated by the device 15 is stored and a control device 17 which stops a laminating operation in response to the lamination stop signal from the device 16.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a prepreg laminating apparatus, and more particularly to a prepreg laminating apparatus for laminating a prepreg adjacent to a prepreg laminated on a portion to be laminated.

[0002]

2. Description of the Related Art In a prepreg laminating apparatus 1, as shown in FIGS. 7 and 8, a prepreg tape 5 composed of a prepreg 3 and a release paper 4 is attached to an unwinding portion 2 and the prepreg tape 5 is connected to an idler roll 6 and While being passed over the laminating roll 7 and peeling off the prepreg 3 from the release paper 4, the laminating roll 7 presses and spreads on the laminated surface material 8 or the already spread prepreg 3, and next to the pressed and spread prepreg 3. A new prepreg 1 with a predetermined gap 9
Press 0 to spread. The release paper 4 is fed by the feeding device 11
It is adapted to be wound up by the winding section 12 via. The unwinding unit 2, the idler roll 6, the laminating roll 7, the feeding device 11, and the winding unit 12 are three-dimensionally movable with respect to the laminating surface material 8 and can change their directions according to the moving direction. Attached to the device body not shown,
The stop of the movement of the main body of the apparatus is performed by a control device (not shown), and the prepreg 3 is laminated according to a predetermined program.

[0003]

However, in the above-described laminating apparatus 1, the width of the gap 9 is not measured, and the prepreg 3 which has already been spread even if the apparatus main body is controlled by the controller. It is extremely difficult to make the gap 9 between the prepreg 3 and the varnish 9 uniform.
Greatly influences the strength of the laminated prepreg laminated material,
There is a problem that a high quality prepreg laminated material cannot be obtained.

In view of this, the present invention enables quality control of a gap between adjacent prepregs, and
The object of the present invention is to provide a prepreg laminating apparatus capable of preventing the occurrence of quality defects exceeding the allowable range.

[0005]

In the present invention for achieving the above object, a prepreg tape composed of a prepreg and a release paper is unwound from the unwinding portion, and the release paper is peeled off from the prepreg tape and wound. A prepreg laminating apparatus that winds the prepreg separated from the release paper and presses the prepreg separated from the release paper by a laminating roll that moves the prepreg relatively to the laminated portion, and laminates the prepreg adjacent to the laminated portion An illumination device that can irradiate the gap between the prepreg inside and the existing prepreg that is laminated adjacent to this prepreg, and the gap in the portion illuminated by this illumination device can be imaged Image pickup device and the signal from this image pickup device, the width of the gap is measured and calculated, and this width is compared with the set value, and the gap exceeds the allowable value. And an image processing device that sends a stacking stop signal at the time, a data management device that stores data regarding the width of the gap calculated by the image processing device, and a stacking work by the stacking stop signal sent from the image processing device. A prepreg laminating apparatus comprising a control device for stopping the prepreg, wherein the irradiation light from the illuminating device converts a visible laser beam by an optical lens and is oblique in the length direction of the gap. It is a slit light emitted from above, and the image pickup device is a CCD area sensor camera. The prepreg laminating device according to claim 1, wherein the illuminating device is the irradiation device. The CCD line sensor camera is arranged so that the gap becomes dark from a diagonally upper side in the length direction of the gap with respect to the gap. It is an aspect 3 laminator prepreg according to claim 1, wherein there.

[0006]

In the above prepreg laminating apparatus, the illuminating device is irradiated toward a gap between the prepreg being laminated and the prepreg already laminated adjacent to the prepreg, and the illuminated portion is imaged by the imaging device. Take an image. Then, the image processing device receives the signal from this imaging device,
This image processing device measures and calculates the width of the gap, stores the data of the gap in the data management device, compares it with the set value, and when the gap exceeds the allowable value, a lamination stop signal is sent to the control device and the lamination work is performed. Stop.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the embodiments shown in FIGS. 1 to 3, and the same components as those in the prior art will be designated by the same reference numerals as those in FIGS. .

The stacking device 1 includes a lighting device 13 and an image pickup device 1.
4, an image processing device 15, a data management device 16 and a control device 17.

The illuminating device 13 is for facilitating detection of the gap 9, has slit light obtained by converting a visible laser beam with an optical lens, and is adjacent to the prepreg 10 in the stack and the prepreg 10 in the stack. The irradiation angle can be adjusted so that the tip of the slit light is orthogonal to the longitudinal direction of the gap 9 toward the gap 9 between the existing prepreg 3 and the prepreg 3. It is attached to the device body 18. By irradiating the slit light obliquely from above, the tip of the slit light forms discontinuous lines 19, 20, and 21 in the gap 9 as shown in FIG. ing.

The image pickup device 14 is for picking up an image of the gap 9 in the part illuminated by the illuminating device 13, and detects the intensity of the reflected light of the slit light depending on the distance to the prepreg 3 and replaces it with an electric signal. It has a sensor camera 22, and is attached to the apparatus main body 18 so that the light receiving angle can be adjusted so that the reflected light of the slit light with which the gap 9 is irradiated enters the CCD area sensor camera 22. Then, the imaging device 14 uses the reflected light to generate lines 19, 2
The similar cross-sectional shape of the gap 9 formed by 0 and 21 is projected.

The image processing device 15 is connected to a CCD area sensor camera 22 and, as shown in FIG. 3, the line 21 of the gap 9 in the reflected light of the lines 19, 20, and 21.
The length of the reflected light (width of the gap (L)) is measured. Further, the image processing device 15 has a width (L)
The set value is input, and when the set value and the measured value are compared and the allowable value is exceeded, a stacking stop signal is transmitted to the control device 17.

The data management device 16 is the image processing device 15.
The data relating to the width of the gap 9 measured and calculated by the image processing device 15 is stored, and the width of the laminated gap 9 can be always confirmed.

The control device 17 is connected to the image processing device 15 and stops the stacking work of the prepreg 3 by the stacking roll 17 in response to a stacking stop signal transmitted from the image processing device 15.

Next, the operation of the laminating apparatus 1 will be described.

First, the illumination device 13, the image pickup device 14, the image processing device 15, the data processing device 16 and the control device 17.
Operate.

Next, the feeder 11 is driven to release the release paper 4
A new prepreg 10 is wound on the winding section 12 and a new prepreg 10 is formed on the prepreg 3 already laminated, and a gap 9 is provided beside the prepreg 3 which is laminated at a right angle to the prepreg 3 and is pressed and spread by the laminating roll 7. To do.

Here, the slit light of the illuminating device 13 is applied to the prepregs 3 and 10 and the gap 9 to form lines 19, 20 and 21 which are discontinuous in the gap 9. Then, the lines 19, 20, and 21 are imaged by the imaging device 14, and the similar cross-sectional shape of the gap 9 is reflected by the intensity of reflected light of the slit light with respect to the prepregs 3, 10 and the gap 9.

Then, the cross-sectional shape of the gap 9 is sent to the image processing device 15, and the width (L) of the gap 9 is measured and calculated in the image processing device 15 and compared with the set value stored in the image processing device 15. If the width (L) is calculated and is within the allowable value of the gap 9, the prepreg 3 is laminated. When the comparison calculation result exceeds the allowable value, the image processing device 15
A stacking stop signal is transmitted from the controller to the controller 17, and stacking of the prepreg 3 by the stacking roll 7 is stopped.

4 to 6 show another embodiment of the present invention. The image processing device 15, the data management device 16 and the control device 17 are the same as those in the above embodiment and will be omitted.

The illuminating device 13 has two optical fiber lights 23 and 24, which are located diagonally above and in the direction perpendicular to the length direction of the gap 9, and one of the optical fiber lights 23.
Is arranged so that the prepreg 10 being laminated and the other optical fiber light 24 are irradiated to the adjacent prepreg 3 already laminated so that the inside of the gap 9 between the prepregs 3 and 10 becomes shaded and becomes dark. .

The image pickup device 14 has a CCD line sensor camera 25 for detecting the intensity of reflected light with a line of lines and converting it into an electric signal, and is adjacent to the prepreg 10 in the stack and the prepreg 10 in the stack. The existing prepregs 3 that are stacked and the prepreg 3 are mounted on the device body 18 so that the reflected light from the gap 9 is received. Then, the imaging device 14
Is reflected by the optical fiber lights 23 and 24, as shown in FIG.
As shown in FIG. 6, the similar cross-sectional shape of the gap 9 formed by the lines 19, 20, and 21 is shown, and the cross-sectional shape of the gap 9 is sent to the image processing device 15. When the width (L) of the gap 9 is measured and calculated and exceeds the allowable value in comparison with the set value, a stacking stop signal is transmitted to the control device 17.

[0022]

As described above, the prepreg laminating apparatus according to the present invention is a prepreg laminating apparatus for laminating adjacent prepregs. The prepreg being laminated and the prepreg laminated adjacent to the prepreg. The illumination device capable of irradiating toward the gap, the imaging device capable of imaging the gap of the illuminated portion, and the signal from the imaging device to measure and calculate the width of the gap, By comparison, an image processing device that sends a stacking stop signal when the allowable value is exceeded, a data management device that stores data related to the width of the gap, and a stacking work that is stopped by a stacking stop signal sent from the image processing device. Since it is equipped with a control device, it is possible to reliably stop the laminating work automatically when the gap exceeds the allowable value, and to prevent the generation of poor quality prepreg laminated material. There are excellent effects such can be prevented.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of a prepreg laminating apparatus according to the present invention.

FIG. 2 is a plan view showing irradiation of slit light on a prepreg and a gap and a state of receiving reflected light by a CCD area sensor camera.

FIG. 3 is a waveform diagram of an image received by a CCD area sensor camera.

FIG. 4 is a perspective view showing another embodiment of the prepreg laminating apparatus according to the present invention.

FIG. 5 is a plan view showing irradiation of an optical fiber light on a prepreg and a gap and a light receiving state of reflected light by a CCD line sensor camera.

FIG. 6 is a waveform diagram of an image received by a CCD line sensor camera.

FIG. 7 is a front view of a conventional prepreg laminating apparatus.

FIG. 8 is a perspective view of a laminating operation using a laminating roll.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Laminating apparatus 3 Prepreg 7 Laminating roll 9 Gap 10 Prepreg 13 Illuminating device 14 Imaging device 15 Image processing device 16 Data management device 17 Control device

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Claims (3)

[Claims] 1. A prepreg tape composed of a prepreg and a release paper is unwound from an unwinding portion, the release paper is peeled off from the prepreg tape and wound in a winding portion, and the prepreg separated from the release paper is laminated. In a prepreg laminating apparatus that presses with a laminating roll that moves relatively to the part, and laminates the prepreg adjacent to the part to be laminated, the prepreg being laminated and the prepreg being laminated are laminated adjacent to the prepreg. The illuminating device capable of irradiating toward the gap of the existing prepreg, the image capturing device capable of capturing an image of the gap of the portion illuminated by the illuminating device, and the signal receiving from the image capturing device to receive the signal. An image processing device that measures and calculates the width of a gap, compares the width with a set value, and sends a stacking stop signal when the gap exceeds an allowable value, and the image processing device. A prepreg laminating apparatus comprising: a data management device for storing data on the width of the gap calculated by the apparatus; and a control device for stopping the laminating work by a laminating stop signal transmitted from the image processing device. . 2. The irradiation light from the illumination device is slit light for converting a visible laser beam by an optical lens and irradiating it from diagonally above in the length direction of the gap, and the imaging device is a CCD area sensor camera. The prepreg laminating apparatus according to claim 1, wherein: 3. The illuminating device is arranged so that the gap becomes darker from a laterally oblique upper side in the length direction of the gap during irradiation, and the imaging device is a CCD line sensor camera. The prepreg laminating apparatus according to claim 1, wherein: