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The basic sorting principle of Belt-type color sorter

The basic sorting principle of Belt-type color sorter

2022-Jun-17

The product name 'Belt-type' color sorting machine is mainly used to differentiate from 'Chute-type' color sorting machine.


Belt-type color sorting machine applying flat belt to convey material in sorting process, this makes the machine different from chute type which makes use of the gravity flow to convey material.


Belt-type color sorting machine can be divided into two kinds: single layer and double layer. The machine convey material from feeding port to the output port steadily. Near the output port, the material will be recognized by HD industrial camera. Material with abnormal or unwanted colors will be removed by air ejectors. In the whole process, the conveyor belt is one of the essential part of the machine.


Comparing to chute-type color sorting machine, the main advantages of belt-type color sorting machine are as follows:

1. Belt-type conveyor reduces the damage ratio of material greatly. In the process of conveying, material are relatively static, which will cause much less impact to material in sorting process.

2. Horizontal Belt color sorter is with wide range of application not only because of its low damage ratio, but also because of its has less restriction of the shape and size of material. For example, dry red chillis are with long and irregular shapes, it is not possible to be well sorted by chute-type machine, while belt-type can handle sorting them very well; cashew nut kernels sorting ask to keep their original shape, because chute type cause certain impact to material, so cashew kernels is better protected by usding belt-type color sorting machine rather than using chute-type.

3. High sorting accuracy. Belt conveyer structure keep material stay still on belt, with very few bouncing of material which helps camera to recognize color of material easily to ensure high sorting accuracy and low carryover rate.

Picture showing basic sorting priciple of belt-type

Pic 1: Belt-type color sorting flow

Belt-type color sorting flow


PIC 2: Chute-type color sorter sorting flow

Chute-type color sorter sorting flow


   
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