Combined harvester threshing and separating device for rice and wheat

Abstract

The invention relates to a combined harvester threshing and separating device for rice and wheat. The device includes a first mounting plate, a second mounting plate, a rotating motor, a threshing cylinder and concave plates. The first mounting plate and the second mounting plate are symmetrically distributed on the left and right sides, the rotating motor is installed on the side wall of the first mounting plate through a motor base, an output shaft of the rotating motor is connected with the left end of the threshing cylinder, the right end of the threshing cylinder is mounted on the side wall of the second mounting plate through a bearing, and the concave plates are distributed at the lower end of the threshing cylinder and installed between the first mounting plate and the second mounting plate. The device can solve the problems that in an existing rice and wheat separation process, gaps of concave plates cannot be adjusted, the size of screening holes is fixed, the application range is small, and distribution of crops is not uniform. The function of automatically threshing and separating the rice and the wheat can be achieved, and the device has the advantages that the size ofthe gaps of the concave plates and screening holes is adjustable, the application range is wide, and distribution of the crops is uniform.

Description

technical field [0001] The invention relates to the field of agricultural machinery, in particular to a threshing and separating device for a rice-wheat combine harvester. Background technique [0002] Grain combine harvester, referred to as combine harvester, is a combined machine for harvesting crops. It was called Combine in the early 1950s. Agricultural harvesting machinery that directly obtains grain from the field. One of the main devices in the combine harvester is the threshing and separating device, which is mainly responsible for separating the crop grains from the stalks. According to the classification of threshing components, the threshing and separating devices mainly include threaded rod drum type, spike tooth drum type, bow tooth drum type and impeller type. When using the textured rod drum type threshing and separating device for operation, the gap between the concave plates has a great influence on the threshing effect. Influence, the gap between the conc...

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Problems solved by technology

[0003] In order to make up for the deficiencies in the prior art, the present invention provides a threshing and separating device for a rice-wheat combine harvester, which can solve the problems of non-adjustable concave plate gap, fixed sieve hole size, small use range and problems existing in the existing rice-wheat threshing and separation process. Uneven distribution of crops and other problems can realize the function of automatic threshing and separation of rice and wheat. It has the advantages of adjustable concave plate gap and sieve hole size, wide application range and uniform crop distribution.

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