JPH0585764U - Package inspection device - Google Patents

Abstract

(57) [Summary] [Purpose] The focus is adjusted over the entire field of view, and it is possible to inspect and photograph a wide range. [Arrangement] An image sensor 10 is provided in a main body 8 of a camera 6 for taking an image of a yarn layer surface S of a package P from a predetermined angle so that the angle can be adjusted.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a package inspection device that photographs the yarn layer surface of a package and inspects the appearance.

[0002]

[Prior Art]

 A package produced by an automatic winder or the like is visually inspected for defects such as twill in the yarn layer. A camera incorporating a CCD image sensor is used as an inspection device for performing this visual inspection, and the camera is installed so as to take an image from an angle (direction) at which a defect can be easily detected according to an inspection position of a yarn layer.

[0003]

[Problems to be solved by the device]

 However, in the conventional inspection device, when the yarn layer surface of the package is photographed from a predetermined angle, when trying to photograph a wide range, there is a part where the pint does not match due to the difference in depth of focus, and the inspection of that part occurs. Since it becomes impossible to shoot, there was a problem that you could only shoot in a narrow range in focus.

Therefore, an object of the present invention is to provide a package inspecting apparatus that can focus on the entire visual field and can inspect and inspect a wide area.

[0005]

[Means for Solving the Problems]

 In order to achieve the above object, the present invention is characterized in that an image sensor is provided in the body of a camera for taking an image of a surface of a yarn layer of a package from a predetermined angle so that the angle of the image sensor can be adjusted.

[0006]

[Action]

 According to the above configuration, when the yarn layer surface of the package is imaged from a predetermined angle, the angle of the image sensor may be adjusted according to the depth of focus, which allows the entire field of view to be focused. It is possible to inspect and inspect a wide range.

[0007]

【Example】

 Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

In FIG. 1, reference numeral 1 denotes an inspection device for performing an appearance inspection of the package P. The inspection device 1 includes a box 2 that accommodates the package P and serves as a dark room at the time of inspection. The box 2 is provided with a conveyer 4 for conveying the package P on the tray 3 so as to pass through the box 2 in the horizontal direction, and is provided with a package entrance formed on the front wall and the rear wall of the box 2. The exit is provided with a shutter that is automatically opened and closed when the package P passes (not shown).

A stopper for stopping the tray 3 at a predetermined inspection position is provided in the box 2, and a rotary roller 5 for rotationally driving the tray 3 to inspect the entire circumference of the package P is provided. There is. In addition, a camera 6 is installed in the box 2 for taking an image of an inspection position on the surface S of the yarn layer of the package P from a predetermined angle at which a defect can be easily detected, and a projector for projecting light to the inspection position. 7 is installed.

In particular, the camera 6 has a camera body 8 as shown in FIGS. 2 to 3, a lens 9 is provided at the front end of the camera body 8, and an image is picked up at an image forming position in the camera body 8. A CCD image sensor 10 in which elements are arranged in a plane or in a straight line is provided so that its angle can be adjusted with its center as a fulcrum. That is, the image sensor 10 is provided with a tilting mechanism 11 for adjusting the angle thereof. The tilting mechanism 11 supports the support shaft 12 for supporting the central portion of the image sensor 10 in the vertical direction from the camera body 8 side, and the camera body 8 thereof. It is mainly composed of a tilt angle adjusting knob 13 attached to an end portion of the support shaft 12 protruding through the side portion of the. Further, a lock screw 14 for holding and locking the support shaft 12 of the tilt mechanism 11 is provided on a side portion of the camera body 8.

With the above configuration, when the yarn layer surface S of the package P is photographed from a predetermined angle as shown in FIG. 1, after the camera 6 is installed at that angle, the image is viewed while tilting. The angle adjustment knob 13 may be rotated to adjust the focus of the entire visual field, and the lock screw 14 may be tightened so that the image sensor 10 does not move freely.

By adjusting the angle of the image sensor 10, it is possible to focus on the image sensor 10 in accordance with the depth of focus, so that the entire field of view can be focused and a wide range can be imaged and inspected. .

[0013]

[Effect of the device]

 In short, according to the present invention, since the angle of the image sensor can be adjusted according to the depth of focus, it is possible to focus on the entire field of view, and it is possible to inspect and photograph a wide range.

[Brief description of drawings]

FIG. 1 is a diagram showing an embodiment of a package inspection device according to the present invention.

FIG. 2 is a side view of the camera.

FIG. 3 is a half-cut plan view of the camera of FIG.

[Explanation of symbols]

 6 camera 8 camera body 10 image sensor P package S thread layer surface

Claims (1)

[Scope of utility model registration request] 1. A package inspecting apparatus, wherein an image sensor is provided in a main body of a camera for taking an image of a surface of a yarn layer of a package from a predetermined angle, the angle of which is adjustable.