Automatic feeding adjustment module and method, device and bulk foreign body detection mechanism thereof

An automatic adjustment and foreign object detection technology, which is applied in the direction of using radiation for material analysis, conveyor objects, transportation and packaging, etc.

Active Publication Date: 2014-10-08
HEFEI MEIYA OPTOELECTRONICS TECH
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  • Automatic feeding adjustment module and method, device and bulk foreign body detection mechanism thereof
  • Automatic feeding adjustment module and method, device and bulk foreign body detection mechanism thereof
  • Automatic feeding adjustment module and method, device and bulk foreign body detection mechanism thereof

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[0049] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0050] see figure 2 , which is a schematic structural diagram of an automatic feeding adjustment device provided in a preferred embodiment of the present invention, the automatic feeding adjustment device is used to automatically adjust the feeding of the bulk foreign matter detection mechanism. The feeding automatic adjustment device includes a vibrator 1, a conveyor belt 2, a hopper 3, at least one first sensor 4 (in this embodiment, one example is used as an example), a radiation source 5, a second sensor 6, a processor (In this embodiment, it is a host, and in other embodiments, it may also b...

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Abstract

The invention provides an automatic feeding adjustment module and a method, device and bulk foreign body detection mechanism of the automatic feeding adjustment module. A discharging port of a hopper is located above a conveying belt, and materials are evenly laid on the conveying belt through vibration of a vibrator. A first sensor detects the material level of the materials in the hopper. Rays are emitted from a radiation source to the materials on the conveying belt, and a second sensor collects the rays which penetrate through the conveying belt and the materials. A processor forms a corresponding target image according to the rays collected by the second sensor, in addition, when the material level is not smaller than a first preset material level value, the vibrator is turned on, and data analysis thread is started, wherein the duty ratio R of the target image is calculated, the vibration magnitude of the vibrator is increased if the duty ratio R is smaller than a first preset duty ratio threshold, the vibration magnitude of the vibrator is decreased if the duty ratio R is larger than a second preset duty ratio threshold, or else, the current vibration magnitude of the vibrator is kept unchanged, and the second preset duty ratio threshold is larger than the first preset duty ratio threshold.

Description

technical field [0001] The invention relates to the technical field of foreign matter detection, in particular to the field of granular bulk material detection. Background technique [0002] The working principle of X-ray bulk foreign matter detection machine: use X-rays to have different penetration characteristics for different substances, detect foreign matter with high density mixed in bulk materials, such as metal, glass, stones, etc., and then remove them through the rejecting device. Such as figure 1 As shown, the existing X-ray bulk foreign matter detection machine includes: a feeding device, a host and a rejecting device, and their respective functions are: [0003] Feeding device: through the vibrator, the material is evenly spread on the conveyor belt; [0004] Host: collect and display material images, detect foreign matter, and drive the action of the rejecting device; [0005] Rejecting device: drive the corresponding mechanism (turn plate or spray valve) to...

Claims

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Application Information

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IPC IPC(8): B65G47/19G01N23/04
Inventor 刘宝莹方雷汪庆花陈原张凯
Owner HEFEI MEIYA OPTOELECTRONICS TECH
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