In the present invention, the angle and height of the control cam can be easily adjusted and firmly fixed according to the working situation such as the moisture content of the focusing target, as well as the width and the movement angle of the rotor support wheel can be adjusted according to the working environment. It relates to a reversing collector capable of improving the collecting efficiency, comprising: a main frame mounted on a tractor; A pair of auxiliary frames installed to be perpendicular to both sides of the rear end of the main frame; A rotor mounted at both ends of the pair of auxiliary frames and rotating in opposite directions to each other; A plurality of collecting rocks radially installed around the rotor and having a tine spring installed at an end thereof; A control cam fixedly installed inside the rotor to control the positions of the plurality of collecting arms; A rotor support wheel mounted on a lower portion of the rotor to support the rotor, and fixing brackets that are respectively fixed to the pair of auxiliary frames; A rotor fixing cap that is fixedly installed under the fixing bracket and on which the rotor is disposed under the fixing bracket; An angle-adjusting hollow shaft that is rotationally coupled to the fixing bracket and the rotor fixing cap, and the control cam is fixedly installed, and the angle-adjusting hollow shaft is fixedly installed horizontally on the top of the angle-adjusting hollow shaft so as to be positioned above the fixing bracket, and angled to the outer circumferential surface. An angle adjusting part provided with an angle adjusting gear part in which the adjusting gear is formed, and an angle adjusting handle installed at one side of the angle adjusting gear part; And a position fixing part provided on one side of the fixing bracket and partially engaged with the angle adjusting gear part of the angle adjusting part to fix the position while the angle of the control cam is adjusted by the angle adjusting part. It is done.
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