Rapid detection system for water and impurity of machine-harvested seed cotton in purchase link

A rapid detection system for water and impurity of machine-harvested seed cotton in purchase link, wherein said rapid detection system comprising:

• a seed cotton large-impurity-cleaning device, a seed cotton sample case, a driving and transmission device, a cotton pressing device, an image collection and processing device, a moisture regain rate detection device and a control cabinet;
• wherein the seed cotton large-impurity-cleaning device is located on a leftmost side of the rapid detection system, a cotton inlet is provided at the top of the seed cotton large-impurity-cleaning device and a cotton outlet is provided at the upper part of the right side of the seed cotton large-impurity-cleaning device;
• the seed cotton sample case is provided right below the cotton outlet of the seed cotton large-impurity-cleaning device, and the seed cotton sample case includes a positioning plate and a high light transmittance glass case located right above the positioning plate, a weighing device is provided below the positioning plate, and a stepped round hole with a diameter slightly smaller than that of the high light transmittance glass case is opened on a center of the positioning plate, the high light transmittance glass case is able to be arranged on the stepped round hole;
• the weighing device includes a weighing sensor, a pallet, and a first electric push rod;
• the weighing sensor is located on top of the weighing device, and the pallet is provided below the weighing sensor, and the first electric push rod is provided at the lower side of the pallet;
• the weighing device is provided right below the seed cotton sample case and centrally located between two conveyor belts;
• the positioning plate is located above the left side of the driving and transmission device, and the positioning plate is fixed on the conveyor belts, the image collection and processing device and the cotton pressing device are provided at right side of the driving and transmission device;
• a motor of conveyor belts is located below the left side of the driving and transmission device, and an end of a transmission shaft of the motor of conveyor belts is coupled to one end of a driving roller through a belt;
• a first conveyor belt and a second conveyor belt are paralleled coupled to the driving roller and a driven roller, respectively.