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A sandwich biscuit defect detecting device and a method

A sandwich biscuit and defect detection technology, which is applied in the direction of optical detection of defects/defects, can solve the problems of strict detection accuracy and accuracy, and achieve the effects of fast detection speed, small footprint and high detection accuracy

Active Publication Date: 2015-04-01
TSINGHUA UNIV +1
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Problems solved by technology

[0004] At present, there is no mature device for the quality detection of sandwich biscuits at home and abroad. There are many detection items required for biscuits, and there are strict requirements for detection accuracy and accuracy. At the same time, factors such as cost and space also pose challenges to the detection device.

Method used

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  • A sandwich biscuit defect detecting device and a method
  • A sandwich biscuit defect detecting device and a method
  • A sandwich biscuit defect detecting device and a method

Examples

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Embodiment Construction

[0043] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0044] figure 1 A schematic diagram of the structure of a defect detection device for sandwich biscuits provided by an embodiment of the present invention, as shown in figure 1 As shown, the sandwich biscuit defect detection device 10 of this embodiment includes: a bottom plate 1, a light source 2, a polarizer 3, a cake embryo detection camera 4, a beam splitter 5, and a filling detection camera 6;

[0045] A bottom plate 1, on which there is a sandwich biscuit 0;

[0046] a light source 2 for illuminating said sandwich biscuit 0;

[0047] A polarizer 3 for filtering out stray light from the light source 2, the polarizer 3 is mounted on a first bracket and is located be...

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Abstract

A sandwich biscuit defect detecting device and a method are provided. The device comprises: a base plate, with a sandwich biscuit being disposed on the base plate; light sources; polaroids installed on a first support and between the light sources and the sandwich biscuit; a colorful cake blank detection camera comprising a main body and a polarizer at the front of a camera lens of the main body, with the polarization angles of the polarizer and the polaroids being perpendicular to each other; and a stuff detection camera. A spectroscope installed on a second support separates reflected light on the sandwich biscuit into two beams of reflected light. The cake blank detection camera obtains the first beam of the reflected light passing through the spectroscope to obtain a cake blank image. The stuff detection camera obtains the second beam of the reflected light separated by the spectroscope to obtain a stuff image. The cake blank detection camera and the stuff detection camera send the cake blank image and the stuff image to a processing device to determine whether the sandwich biscuit have defects or not. The device can accurately detect all common defects in sandwich biscuit production processes, and has advantages of no contact, high detection accuracy, high detection speed, small occupied space, low costs, and the like.

Description

technical field [0001] The invention relates to the technical field of automatic detection in the food industry, in particular to a defect detection device and method for sandwich biscuits. Background technique [0002] With the progress of production automation in the food industry, large-scale biscuit companies at home and abroad are gradually improving the automation level in the process of making embryos, fillings, and packaging of biscuits, so that the number of labor on the production line is gradually reduced. There is basically no need for manual operation in the process of making embryos and sandwiches. Only when there is an abnormality in the assembly line, the workers are responsible for eliminating the abnormality. There are currently a large number of workers used in the packaging process, and the main responsibilities of the workers are biscuit quality inspection and box packing. Therefore, in the highly automated biscuit production line, the number of workers...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/88
Inventor 王贵锦张淳孟龙张树君
Owner TSINGHUA UNIV
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