Autorotation drill bit of corn harvester threshing device
A technology of threshing device and harvester, which is applied in the direction of threshing equipment, agricultural machinery and implements, etc. It can solve problems such as waste of energy, inability to ream holes on corn cobs, and complicated drill bit structure, and achieve the effect of simple structure and energy saving
Inactive Publication Date: 2014-01-22
赵松辰
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Problems solved by technology
[0003] In order to solve the problem that the drill bits on the market have complex structures, waste energy, and cannot ream corn cobs, the invention provides a self-rotating drill bit for a corn harvester threshing device. The technical solution of the invention is: a corn harvester threshing device The self-rotating drill bit of the device includes a fixed frame, a drill sleeve, a positioning column, a nut with a ball, and a cutting edge area. It is characterized in that: the drill bit is installed in the drill sleeve, and the drill sleeve is fixed on the fixed frame; The corresponding guiding helical groove is provided with a positioning column, and a nut with a ball is provided at the rear end of the drill bit to drive the drill bit to move forward and backward.
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[0009] combined with figure 1 A specific embodiment of the present invention, a self-rotating drill bit of a corn harvester threshing device, including a fixed frame 1, a drill sleeve 2, a positioning column 3, a nut 4 with a ball, a cutting edge area 5, and the drill bit is installed on the drill sleeve 2 Inside, the drill sleeve 2 is fixed on the fixed frame 1; the front end of the drill bit is provided with a guiding helical groove, and the corresponding guiding helical groove is provided with a positioning column 3; A cone with cutting edge zone 5.
[0010] Working process: During the drilling process, the vertebral body expands and expands the undrilled part of the corncob, so that the connecting body can be dispersed without impact, ensuring the integrity of the corn kernels.
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The invention provides an autorotation drill bit of a corn harvester threshing device so as to solve the problems that drill bits on the market are complex in structure, waste energy and cannot conduct broaching on corn cobs. The autorotation drill bit of the corn harvester threshing device comprises a fixed frame, a drill bushing, a positioning column, a nut provided with a ball, and a cutting edge area. The autorotation drill bit of the corn harvester threshing device is characterized in that a drill bit body is installed in the drill bushing, the drill bushing is fixed to the fixed frame, the front end of the drill bit body is provided with a guiding spiral groove, the positioning column is arranged corresponding to the guiding spiral groove, the nut provided with the ball is arranged at the rear end of the drill bit body to drive the drill bit to move forward and backward, and a cone which ranges from 50 degrees to 70 degrees and is provided with the cutting edge area is arranged at the front end of the drill bit body. The autorotation drill bit of the corn harvester threshing device is simple in structure, saves the energy, and also achieves the broaching function at the time of drilling.
Description
technical field [0001] The invention relates to the field of agricultural machinery, in particular to a self-rotating drill bit for a threshing device of a corn harvester. Background technique [0002] At present, the common drill bits on the market are rotated under the action of external rotation force, which needs to be controlled by electricity or corresponding drilling tool control system. The structure is complicated, energy is wasted, and corn cobs cannot be reamed. Contents of the invention [0003] In order to solve the problem that the drill bits on the market have complex structures, waste energy, and cannot ream corn cobs, the invention provides a self-rotating drill bit for a corn harvester threshing device. The technical solution of the invention is: a corn harvester threshing device The self-rotating drill bit of the device includes a fixed frame, a drill sleeve, a positioning column, a nut with a ball, and a cutting edge area. It is characterized in that: t...
Claims
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IPC IPC(8): A01F11/06A01F12/18
Inventor 赵松辰阎利民
Owner 赵松辰