JPH0748621Y2 - Package bulge winding inspection device - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an inspection device for detecting a bulge winding generated in a large-diameter and heavy package produced by a take-up winder.

[0002]

2. Description of the Related Art Generally, a compound fiber package produced by a spinning winder has a diameter of 300 mm or more and a weight of 12 kg or more and is wound for a long time. In a spinning winder that winds up such a package, if the contact pressure or the like is not sufficiently adjusted, so-called bulge winding occurs in which the end surface of the package bulges in the axial direction of the bobbin. In the case of integrated production in which a package produced by a spin winder is temporarily stored and then drawn and false twisted, this bulge winding is not a problem. However, when the package produced by the take-up winder is shipped as a product, the appearance is deteriorated and the product value is reduced. Further, this bulge winding occurs continuously and can often be eliminated by re-adjusting the take-up winder.

Therefore, conventionally, as one of the items in the package finishing process (yarn end treatment, surface treatment, inspection, labeling), a person visually confirms the presence or absence of bulge winding. Then, if there was a bulge, he was inspecting the spinning winder in which the lot was produced.

[0004]

[Problems to be Solved by the Invention] However, in recent years, the spinning process, finishing process, and palletizing process have been sequentially automated in a spinning winder factory. There is no human to visually check. Therefore, there has been a demand for adding a bulge winding inspection to one of the automatic inspection items in the finishing process.

The present invention has been made in view of such demands in the prior art, and an object thereof is to make a bulge winding in a continuous inspection flow as one of automatic inspection items. It is intended to provide a bulge winding inspection device capable of detecting.

[0006]

In order to achieve the above object, the bulge winding inspection device of the present invention has a package whose end face is
A package that detects bulging bulges that bulge in the axial direction of the bottle.
A bulge winding inspection apparatus di-, and belt rays having a bobbin end abutment bobbin end of the package abuts, and a package end inserted into the bobbin end abutting portion and peg shaft peg axis a light source for irradiating, calculator for determining an area sensor that reads the package end and the bobbin end reflection light of the contact portion <br/>, the dark space distance between the package ends from the imaging of the area sensor and the bobbin end abutting portion If, by comparing the dark space distance with a predetermined value
It is characterized in that it comprises a comparison unit for judging the presence or absence of bulge winding .

[0007]

The distance between the package end and the bobbin end abutting part is uniquely determined by the bobbin end contacting part of the peg shaft with the bobbin end abutting part. Become. When the package end portion and the bobbin end contact portion are irradiated, the package end portion and the bobbin end contact portion reflect light and become a bright portion, but an intermediate bobbin becomes a dark portion, so this portion is imaged. The distance between the package end and the bobbin end contact portion is obtained from the image picked up by the area sensor , and the presence or absence of bulge winding is known by comparing with a predetermined value.

[0008]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a view showing a main part of an inspection device of the present invention.

In FIG. 1, reference numeral 1 is a peg shaft of the tray, and a cylindrical body 2 to be inserted into the bobbin B of the package P,
It comprises a large-diameter flange 3 and a base 4 on which the bobbin B abuts. Reference numeral 5 denotes a light source such as a halogen lamp, which is attached at an angle of about 10 degrees with respect to the axis of the area sensor 7, and the light passing through the slit 6 irradiates the end portion of the package P, the bobbin B, and the large-diameter flange 3 portion. Reference numeral 7 denotes an area sensor such as a CCD camera, which is attached in a direction substantially perpendicular to the axis of the bobbin B, and projects reflected light from a window 8 that straddles the end of the package P, the bobbin B, and the large-diameter flange 3 as an image. . When a CCD camera is used as the area sensor, the window 8 has a resolution of 512 × 512 bits and can distinguish a bright portion and a dark portion as planar position information.
The focal length M is set so that the focus of the area sensor 7 is located at the average value of the radius of the package P and the radius of the large-diameter flange 3. Further, 10 is a signal processing circuit for processing the signal of the area sensor 7, 11 is a calculation circuit for the dark distance L, 12 is a comparison circuit for comparing the dark distance L with a predetermined value α, 13 is a storage circuit for the predetermined value α, and 14 is It is a display means.

The operation of the bulge winding inspection device described above is as follows. When the package P is inserted into the back shaft 1, the bobbin B contacts the large-diameter flange 3 and the state shown in the drawing is obtained.
If the package P is normal, the distance L0 between the end PE and the large-diameter flange 3 is uniquely determined. However, when the bulge winding 9 occurs, the distance between the end PE and the large-diameter flange 3 becomes short. When this portion is illuminated by the light source 5, the end PE and the large-diameter flange 3 are bright, but the bobbin B is dark. Therefore, the dark portion is displayed on the window 8 of the area sensor 7, and the signal processing circuit 10 obtains the signal of the dark portion as a position signal. For example, assuming that the length direction of the window 8 is the x-axis and the side of the large-diameter flange 3 is zero, the end of the large-diameter flange becomes x ₁ and the end PE of the package becomes x ₂ . Therefore, the calculation circuit 11 can calculate the distance L between the end PE and the large-diameter flange 3 as L = x ₂ −x ₁ . The comparison circuit 12 determines that the distance L is a predetermined value α (for example,
If it becomes smaller than (L0 × 0.9, which is input to the storage unit 13), it is determined that the bulge winding has occurred, and the display means 14 notifies the operator.

FIG. 2 is a view showing a main part of another inspection apparatus of the present invention. The difference from FIG. 1 is that two area sensors 7a and 7b having different focal lengths are used. The area sensor 7a having a focal length Ma focuses on the end surface PE of the package to capture an image, and the large-diameter flange 3 of the tray has a focal length M.
The area sensor 7b of b is focusing and taking an image.
Each can be accurately imaged. In this case, the area sensors 7a and 7b jointly form the window 8 and are combined by the signal processing circuit 10 as one window 8.

Next, the tray which is a part of the bulge winding inspection device will be described in detail with reference to FIGS. 3 and 4. Tray 2
Reference numeral 0 indicates a square base 21, a side wall 22, and a peg shaft 1. The package P is inserted into the cylindrical body 2 of the peg shaft 1, and the end of the bobbin B is in contact with the large diameter flange 3. Such a tray 20 is conveyed on the conveyor 23 with the package P inserted therein, and the bunch winding 2 is carried on the way.
4 and yarn end processing 25 are performed. And this conveyor 2
A dark room 26 is provided in the middle of 3, and the light source 5 is placed in the dark room 26.
And area sensor 7 is installed. In FIG. 4, 27 is a retractable stopper, and 28 is a positioning guide. Thus, the tray 2 for automatic inspection
Since 0 is used as it is for the inspection of the bulge winding, the inspection can be performed efficiently. A bunch winding inspection device using a light source and an area sensor may be incorporated in the dark room.

[0013]

[Effect of the Invention] The bulge winding inspection device of the present invention is
The bobbin end abutting portion is abutted against the package of the bobbin, based on the distance of the package end and the bobbin end abutting portion, which detects the bulge winding, the package end and ball by a light source
Utilizing the fact that the middle bobbin becomes a dark part when the bin end abutting part is illuminated , the distance between the package end part and the bobbin end abutting part is obtained by an area sensor that takes an image of this part and compared with a predetermined value. Since the presence / absence of the bulge winding is known, the bulge winding can be detected as one of the automatic inspection items in a continuous inspection flow while the package inserted in the peg shaft of the tray is conveyed by the conveyor.

[Brief description of drawings]

FIG. 1 is a diagram showing a main part of an inspection apparatus of the present invention.

FIG. 2 is a view showing a main part of another inspection device of the present invention.

FIG. 3 is a side view of the tray.

FIG. 4 is a top view of the tray.

[Explanation of symbols]

 1 Peg axis 3 Large diameter flange 5 Light source 7 Area sensor 11 Calculation circuit 12 Comparison circuit 20 Tray

Claims (1)

[Scope of utility model registration request] 1. A package end surface bulges in the axial direction of a bobbin.
Bulge winding inspection of package to detect bulge winding
A device having a tray having a bobbin end abutting portion with which a bobbin end of a package abuts, a light source for irradiating a bobbin end abutting portion of a peg shaft and a package end inserted into the peg shaft, and a package end portion And an area sensor that reads the reflected light of the bobbin end contact portion, a calculation unit that obtains the dark portion distance between the package end portion and the bobbin end contact portion from the image of the area sensor, and this dark portion distance is compared with a predetermined value. With bulge
A bulge winding inspection device for a package, which comprises a comparison unit for judging nothing .