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Parallel projection method and parallel projection device for detecting diameter and thickness of blank cake

A technology of thickness detection and parallel projection, applied in measuring devices, optical devices, instruments, etc., can solve the problems of low accuracy and low efficiency, and achieve the effect of high accuracy, high efficiency and fast speed

Inactive Publication Date: 2014-04-23
江苏保力自动化科技有限公司
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  • Abstract
  • Description
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Problems solved by technology

[0003] The technical problem to be solved by the present invention is that the existing mechanical detection technology of flat cake has low efficiency and low precision

Method used

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  • Parallel projection method and parallel projection device for detecting diameter and thickness of blank cake
  • Parallel projection method and parallel projection device for detecting diameter and thickness of blank cake

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Embodiment Construction

[0014] Such as Figure 1-2 As shown, the present invention includes a transmission unit, a detection unit, and a rejection unit composed of an air blowing block 16 and a coin bucket 15 .

[0015] The conveying unit includes a front conveying flat belt 13 and a rear conveying flat belt 14, both run in the same direction, and the detection unit is located between them.

[0016] The detection unit includes an optical glass 2, a glass platform 1, and a platform fixing frame 4 stacked sequentially from top to bottom. After the cake 3 is transferred to the optical glass 2 by the front conveying flat belt 13, it slides over the optical glass 2 under the action of inertia and then enters the rear conveying flat belt 14 to continue conveying; the optical glass 2 is fixed on the glass platform 1 by the optical glass fixing block 5 Above, the bottom of the optical glass 2 is provided with a bottom light source 12, an optical lens 8 and a camera 9 are arranged directly above, the optical...

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Abstract

The invention discloses a parallel projection method and a parallel projection device for detecting the diameter and thickness of a blank cake. The method comprises the steps of illuminating the front surface and the side surface of the blank cake respectively through two light sources, receiving the light of the light sources after illuminating the blank cake through an optical lens, transmitting the light into a camera to form a front projection and a side projection of the blank cake; analyzing whether the diameter of the blank cake conforms to the requirement or not through the front projection, and analyzing whether the thickness of the blank cake conforms to the requirement or not through the side projection. The structure is simple, and the diameter and thickness of the blank cake can be rapidly and precisely detected through the visual parallel projection technology.

Description

technical field [0001] The invention relates to a parallel projection method and device for detecting the diameter and thickness of a flat cake. Background technique [0002] At present, there is no technology in China to detect the diameter and thickness of the flat cake through the visual parallel projection technology. At present, the mechanical detection unit is used to detect the diameter and thickness of the flat cake, which has the defects of low efficiency and low precision. Contents of the invention [0003] The technical problem to be solved by the present invention is that the existing mechanical detection technology of flat cake has low efficiency and low precision. [0004] In order to solve the above-mentioned technical problems, the technical solution adopted in the present invention is: a parallel projection method for detection of the diameter and thickness of the green cake, comprising the following steps: Step 1: setting two light sources to illuminate t...

Claims

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Application Information

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IPC IPC(8): G01B11/08
Inventor 伍亦宏丁辰龙卲幼平
Owner 江苏保力自动化科技有限公司
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