Corn threshing mechanism

玉米脱粒机构

Abstract

The application of the invention relates to a corn threshing mechanism. The corn threshing mechanism comprises a rack, wherein a hopper is arranged on the rack; an upper propping rod and a lower propping rod are arranged on the hopper; a cutter is separately connected with the upper propping rod and the lower propping rod; a rocker is hinged with the rack; a first sliding block and a second sliding block is slidably connected with the rocker; the upper propping rod is hinged with the first sliding block; a compression rod is hinged with the second sliding block; the compression rod is slidably connected with the rack; a wedge is contacted with the compression rod; a second elastic member is connected between the wedge and the rack; the bottom of the lower propping rod is a wedge surface; the wedge is contacted with the lower propping rod; a first elastic member is connected between the rocker and the rack; a cam is urged against the upper side of the rocker; a threaded rod is threadedly connected to the rack; a right end of the threaded rod is in the shape of a pointed cone; a spline rod is fixedly connected with he threaded rod; a spline sleeve is sleeved on the spline rod; and a first motor fixed on the rack is connected with the spline sleeve. Compared with that in the prior art, the cutter is controlled by a cylinder and the first motor to strip the corn kernels off, thereby achieving complete mechanized production and saving time and labor.
本发明申请涉及了一种玉米脱粒机构,包括机架,机架上设有料斗,料斗上设有上顶杆和下顶杆,上顶杆和下顶杆均连接有切割刀,机架上铰接有摆杆,摆杆上滑动连接有第一滑块和第二滑块,上顶杆铰接在第一滑块上,第二滑块上铰接有压杆,压杆滑动连接在机架上,压杆相抵有楔块,楔块和机架之间连接有第二弹性件,下顶杆底部为楔面,楔块与下顶杆相抵,摆杆和机架之间连接有第一弹性件,摆杆上侧相抵有凸轮;机架上螺纹连接有螺纹杆,螺纹杆右端为锥尖形,螺纹杆固定连接有花键杆,花键杆上套接有花键套筒,花键套筒连接有固定在机架上第一电机;与现有技术相比,通过气缸和第一电机的控制,使切割刀将玉米粒剥离下来,完全机械化生产,省时省力。

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