Defect identification device for full-automatic tablet detector

Abstract

The utility model belongs to the technical field of drug flaw detection, and particularly relates to a flaw identification device for a full-automatic tablet detector. The technical problem that an existing flaw identification device cannot detect drugs needing to be kept away from light is mainly solved. According to the technical scheme, the defect identification device for the full-automatic tablet detector comprises a strip-shaped light source, a sphere integration light source, an industrial camera, an image acquisition card and a vacuum adsorption conveying belt, the spherical integral light source is arranged below the vacuum adsorption conveying belt, the industrial camera is arranged in an image taking hole formed in the bottom of the spherical integral light source and is parallel to the vacuum adsorption conveying belt, and the strip-shaped light sources are arranged on the two sides of the horizontal section of the spherical integral light source and are located between the industrial camera and the vacuum adsorption conveying belt. The strip-shaped light source and the sphere integral light source are arranged at an angle of 30-60 degrees, and the image acquisition card is arranged in a controller of the full-automatic tablet detector and is connected with the industrial camera.

Description

Technical Field

[0001] The utility model belongs to the technical field of drug defect detection, and in particular relates to a defect identification device used in a full-automatic tablet detection machine. Background Art

[0002] Chinese patent CN201210210928.3 discloses a fully automatic tablet inspection machine, which includes a tablet turning device, a belt conveyor device, a tablet defect identification device, a defective tablet rejection device, a tablet sequence arrangement device and a belt cleaning device; the inspection machine device involved in this patent can realize fully automatic inspection of tablets of different shapes and sizes, and can detect and reject various defects that may exist in tablets, including broken or incomplete tablets; tablets with marks, spots or color differences on the surface; tablets with incomplete, blurred or damaged printing on the surface, etc. Defects can all be detected by this inspection machine, thereby providing strong protection for drug quality.

[0003] In the actual operation of the fully automatic tablet inspection machine, the tablets wrapped in the aluminum-plastic blister plate are passed through the tablet flipping device so that the tablets face down, and then transported by the belt conveyor into the blister plate inspection machine. A vacuum chamber adsorbs the blister plate and continues to transport it to the next link; when the blister plate reaches the tablet defect identification device, the light source is turned on and the trigger signal is sent to the dedicated camera at the same time. The camera then takes a picture of the blister plate. At this time, the image acquisition card sends the captured picture to the image analysis software, which analyzes the image. After the analysis is completed, the signal is transmitted to the defective tablet rejection device to reject the unqualified blister plate, and the qualified blister plate automatically enters the next work position.

[0004] However, the defect identification device of the above-mentioned fully automatic tablet inspection machine uses a white light source. After the light source is turned on, the camera can only detect visible foreign matter in the transparent PVC or PVDC blister, that is, all visible defects on the surface of the tablet are detected and identified, and the defective products are removed after analysis by the image collector; for products that need to be protected from light, that is, the tablets are fixed in the aluminum-plastic blister plate, the defects on the surface of the tablet are invisible, and the existing light source cannot illuminate the inside of the medicine plate. The above-mentioned inspection machine cannot detect such light-proof products. To solve this problem, the current solution is to use X-rays to irradiate the product to be inspected, and then use a professional camera to take pictures, so as to remove defective tablets. However, this method not only brings high equipment costs, but also due to the radiation characteristics of X-rays themselves, corresponding protective measures need to be equipped during detection, which endangers the health of workers and has low detection efficiency. Summary of the Invention

[0005] The utility model aims to solve the technical problem that the existing defect identification device cannot detect medicines that need to be protected from light, and provides a defect identification device used in a full-automatic tablet detection machine.

[0006] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0007] A defect identification device for a fully automatic tablet inspection machine comprises a bar light source, a spherical integrating light source, an industrial camera, an image acquisition card, and a vacuum adsorption conveyor belt; the spherical integrating light source is installed below the vacuum adsorption conveyor belt, the industrial camera is installed in an image acquisition hole provided at the bottom of the spherical integrating light source and is installed parallel to the vacuum adsorption conveyor belt, the bar light source is installed on both sides of the horizontal cross-section of the spherical integrating light source and is located between the industrial camera and the vacuum adsorption conveyor belt, the bar light source is installed at an angle of 30-60 degrees to the spherical integrating light source, and the image acquisition card is installed in the controller of the fully automatic tablet inspection machine and is connected to the industrial camera.

[0008] Furthermore, the bar-shaped light source is a bar-shaped red light source.

[0009] Furthermore, the illumination of the bar-shaped red light source is 2500-3000 lux.

[0010] The beneficial effects of the utility model are:

[0011] The defect identification device provided by this utility model is targeted at products wrapped in aluminum-plastic panels, where defects in the tablets are invisible to the naked eye. It uses a strip-shaped red light source, utilizing the wavelength of the light source and a set light source angle, to capture images with an industrial camera and analyze and process the images, thereby detecting defects in the tablets within the aluminum-plastic panels. This includes, but is not limited to, tablet integrity inspection for defects such as incompleteness and breakage; tablet surface inspection for spots and marks; and inspection for incomplete, blurred, or damaged printing, thereby preventing defective products from entering the market and ensuring product quality. Compared to existing fully automatic tablet inspection machine defect identification devices, this utility model enables defect identification of light-protected products, resolving the technical problem of existing tablet inspection machine defect identification devices being unable to detect drugs that require light protection, thereby better ensuring the quality of products entering the market. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural diagram of the utility model;

[0013] In the figure: 1-bar light source, 2-spherical integrating light source, 3-industrial camera, 4-vacuum adsorption conveyor belt, 5-medicine board to be inspected. DETAILED DESCRIPTION

[0014] The present invention will be described in detail below with reference to the accompanying drawings and embodiments.

[0015] like Figure 1 As shown in this embodiment, a defect identification device for a fully automatic tablet inspection machine includes a bar light source 1, a spherical integrating light source 2, an industrial camera 3, an image acquisition card, and a vacuum conveyor belt 4. The spherical integrating light source 2 is mounted below the vacuum conveyor belt 4, and the industrial camera 3 is mounted in an image acquisition hole at the bottom of the spherical integrating light source 2 and parallel to the vacuum conveyor belt 4. The bar light source 1 is mounted on both sides of the horizontal cross-section of the spherical integrating light source 2 and between the industrial camera 3 and the vacuum conveyor belt 4. The bar light source 1 is mounted at a 30-60° angle to the spherical integrating light source 2. The image acquisition card is installed in the controller of the fully automatic tablet inspection machine and connected to the industrial camera 3. Images captured by the industrial camera are transmitted via the image acquisition card to the CPU in the controller for image analysis and processing. The bar light source 1 is a red bar light source with an illumination of 2500-3000 lux. Preferably, the illumination of the red bar light source is 2500 lux, ensuring that the industrial camera can accurately detect whether the pharmaceutical tablets to be inspected are qualified.

[0016] The model of the bar-shaped red light source is OPT-LI31332-R.

[0017] When in use, first start the bar-shaped red light source, and the light source shines on the spherical integrating light source 2, and is reflected by the spherical integrating light source 2 to the surface of the medicine board 5 to be inspected adsorbed on the vacuum adsorption conveyor belt 4, and at the same time triggers a signal to the industrial camera 3, and the industrial camera 3 takes a picture of the medicine board 5 to be inspected; at this time, the image acquisition card transmits the image collected by the industrial camera 3 to the CPU in the controller after preliminary processing, and the image analysis software installed in the CPU analyzes and processes the corresponding image, and transmits a signal to the defective tablet rejection device based on the analysis result to reject the unqualified medicine board 5 to be inspected, and the qualified medicine board automatically enters the next work position, that is, the defect identification is completed.

[0018] The above specific embodiments are merely examples for the purpose of clearly illustrating the present invention and are not intended to limit the implementation methods of the present invention. Those skilled in the art will appreciate that other variations or modifications may be made based on the following descriptions, and such obvious variations or modifications based on the spirit of the present invention are still within the scope of protection of the present invention.

Claims

1. A defect identification device for a fully automatic tablet inspection machine, characterized by: The fully automatic tablet inspection machine comprises a bar light source, a spherical integrating light source, an industrial camera, an image acquisition card and a vacuum adsorption conveyor belt; the spherical integrating light source is installed below the vacuum adsorption conveyor belt, the industrial camera is installed in an image acquisition hole provided at the bottom of the spherical integrating light source and is installed parallel to the vacuum adsorption conveyor belt, the bar light source is installed on both sides of the horizontal cross-section of the spherical integrating light source and is located between the industrial camera and the vacuum adsorption conveyor belt, the bar light source is installed at an angle of 30-60 degrees to the spherical integrating light source, and the image acquisition card is installed in the controller of the fully automatic tablet inspection machine and is connected to the industrial camera.

2. The defect identification device for a fully automatic tablet inspection machine according to claim 1, characterized in that: The bar-shaped light source is a bar-shaped red light source.

3. The defect identification device for a fully automatic tablet inspection machine according to claim 2, characterized in that: The illumination of the strip-shaped red light source is 2500-3000 lux.

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