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CN-122004052-A - Corn harvester with low-loss threshing structure

CN122004052ACN 122004052 ACN122004052 ACN 122004052ACN-122004052-A

Abstract

The invention relates to the technical field of corn harvesters and discloses a corn harvester with a low-loss threshing structure, which comprises a machine body, wherein a threshing shell is arranged on one side of the top of the machine body, a threshing mechanism is arranged in the threshing shell and comprises a corn grain bin, the outer wall of the corn grain bin is fixedly connected to the inner wall of the threshing shell, a storage bin is arranged in the corn grain bin, a fixing block is arranged on the inner wall of the bottom of the storage bin, a fixing seat is rotatably connected to the top end of the fixing block, a cylinder is fixedly connected to the top of the fixing seat, and a supporting frame is fixedly connected to the inner wall of the bottom of the threshing shell. Through adopting the high-speed rotatory tup, combine the mechanism of blowing and the vibration mechanism in the supplementary threshing subassembly, effectively accelerated the flow velocity of maize in the barrel, shortened the dwell time of maize in the barrel to the breakage rate of kernel of corn has been reduced, commodity quality and the follow-up processing utilization value of kernel of corn are effectively promoted.

Inventors

  • MA CHENG
  • GONG ZHEN
  • LIU QING

Assignees

  • 江苏隆义工程机械科技有限公司

Dates

Publication Date
20260512
Application Date
20260304

Claims (10)

  1. 1. The corn harvester with the low-loss threshing structure comprises a machine body (1) and is characterized in that a threshing shell (5) is mounted on one side of the top of the machine body (1), a threshing mechanism (6) is arranged in the threshing shell (5), the threshing mechanism (6) comprises a corn grain bin (602), the outer wall of the corn grain bin (602) is fixedly connected with the inner wall of the threshing shell (5), a bin (603) is arranged in the corn grain bin (602), a fixed block (604) is mounted at the bottom of the bin (603), a fixing seat (605) is rotatably connected to the top end of the fixed block (604), a cylinder (606) is fixedly connected to the top of the fixing seat (605), a support frame (601) is fixedly connected to the bottom inner wall of the threshing shell (5), the bottom of the cylinder (606) is in contact with the top of the support frame (601), a motor one (607) is mounted at one end of the cylinder (606), a rotating shaft (608) is fixedly connected to the output end of the motor one (607), a fixed ring (609) is uniformly connected to the outer wall of the rotating shaft (608), a fixed ring (609) is fixedly connected to the outer wall of the rotating shaft (608), and the fixed ring (609) is fixedly connected to the outer wall of the rotating shaft (609), and the rotating shaft (609) is symmetrically provided with the inner rotating body (601).
  2. 2. The corn harvester with the low-loss threshing structure of claim 1, wherein limiting rings (611) are uniformly and fixedly connected to the outer wall of the rotating shaft (608), each fixing ring (609) is correspondingly arranged between the two limiting rings (611), and filtering holes (613) are uniformly formed in the bottom of the storage bin (603).
  3. 3. The corn harvester with a low loss threshing structure of claim 1, wherein a discharge hole (612) is formed in one end of the cylinder (606), a feed hole is formed in the other end of the cylinder (606), and a feed hopper (614) is arranged in the feed hole of the cylinder (606).
  4. 4. The corn harvester with a low loss threshing structure according to claim 1, characterized in that the auxiliary threshing assembly (7) comprises a supporting seat (701), the bottom of the supporting seat (701) is fixedly connected to the inner wall of the supporting frame (601), a sleeve (702) is arranged at the top of the supporting seat (701), and a piston (703) is slidably connected to the inside of the sleeve (702).
  5. 5. The corn harvester with a low loss threshing structure according to claim 4, wherein the inner wall of the supporting frame (601) is fixedly connected with a supporting column (710), a motor II (711) is installed at the top of the supporting column (710), the output end of the motor II (711) is fixedly connected with a rotating shaft, the outer wall of the rotating shaft is fixedly connected with a cam (712), and the outer wall of the cam (712) is in contact with the bottom of the cylinder (606).
  6. 6. The corn harvester with a low loss threshing structure according to claim 5, wherein an eccentric rod (713) is arranged on one side of the cam (712), a swinging rod (714) is arranged on the outer wall of the eccentric rod (713), a connecting seat (715) is rotatably connected to one end, far away from the eccentric rod (713), of the swinging rod (714), and one side of the connecting seat (715) is fixedly connected to one side of the piston (703).
  7. 7. The corn harvester with a low loss threshing structure of claim 4, wherein an air inlet pipe (704) is fixedly connected to the top of the sleeve (702), an electromagnetic valve I is arranged on the outer wall of the air inlet pipe (704), and a flow guide pipe (705) is fixedly connected to one side of the sleeve (702).
  8. 8. The corn harvester with a low-loss threshing structure of claim 4, wherein one end of the cylinder (606) far away from the motor I (607) is uniformly and fixedly connected with an air outlet pipe (708), the inner wall of the cylinder (606) is fixedly connected with an arc-shaped body (709), one end of the air outlet pipe (708) is arranged in the arc-shaped body (709), air outlet holes are uniformly formed in the arc-shaped body (709), and the air outlet holes of the arc-shaped body (709) are in one-to-one correspondence with the air outlet pipes (708).
  9. 9. The corn harvester with a low-loss threshing structure of claim 8, wherein the other end of the air outlet pipe (708) is fixedly connected with an arc-shaped pipe (707), the middle part of the arc-shaped pipe (707) is fixedly connected with a conveying hose (706), one end of the conveying hose (706) far away from the arc-shaped pipe (707) is fixedly connected with one end of the flow guide pipe (705), and one side of the conveying hose (706) is provided with a solenoid valve II.
  10. 10. The corn harvester with the low-loss threshing structure of claim 1, wherein a header (2) is arranged at one end of the machine body (1), a feeding structure (3) is arranged at one side of the header (2), one end of the feeding structure (3) is fixedly connected to one side of a threshing shell (5), and crawler walking structures (4) are symmetrically arranged at the bottom of the machine body (1).

Description

Corn harvester with low-loss threshing structure Technical Field The invention relates to the technical field of corn harvesters, in particular to a corn harvester with a low-loss threshing structure. Background The corn harvester is modern agricultural mechanized operation equipment integrating multiple functions of corn straw cutting, corn cob picking, conveying, threshing, cleaning, grain collecting, straw processing and the like, and a threshing link of the corn harvester is one of core procedures in the field of corn mechanized harvesting. The threshing structure of the existing corn harvester has the advantages that the problem that the corn kernel breakage rate is high in the threshing process is commonly caused, the commodity value of corn is affected by the high breakage rate, the difficulty and the cost of follow-up cleaning and screening are increased, and meanwhile, when corn ears are processed by the traditional threshing structure, the corn kernels are prone to being accumulated due to unsmooth flow of corn, and the threshing efficiency and the threshing effect are further affected. Disclosure of Invention Aiming at the defects of the prior art, the invention provides the corn harvester with the low-loss threshing structure, solves the problem that the threshing structure of the existing corn harvester is high in corn kernel breakage rate in the threshing process, and the high breakage rate not only affects the commodity value of corn, but also increases the difficulty and cost of subsequent cleaning and screening. The corn harvester with the low-loss threshing structure comprises a machine body, a threshing shell is arranged on one side of the top of the machine body, a threshing mechanism is arranged in the threshing shell, the threshing mechanism comprises a corn grain bin, the outer wall of the corn grain bin is fixedly connected to the inner wall of the threshing shell, a storage bin is arranged in the corn grain bin, a fixed block is arranged at the bottom of the storage bin, a fixing seat is rotationally connected to the top of the fixed block, a cylinder is fixedly connected to the top of the fixing seat, a supporting frame is fixedly connected to the inner wall of the bottom of the threshing shell, the bottom of the cylinder is in contact with the top of the supporting frame, a motor I is arranged at one end of the cylinder, a rotary shaft is fixedly connected to the output end of the motor I, a fixing ring is uniformly and fixedly connected to the outer wall of the rotary shaft, hammers are symmetrically arranged on the outer wall of the fixing ring, and auxiliary threshing components are arranged in the supporting frame. Through adopting above-mentioned technical scheme, in threshing process, starter motor II, drive axis of rotation rotates, the axis of rotation drives the reciprocal rotation of cam, the cam passes through the reciprocal swing of dwang drive swinging arms, the swinging arms promotes the piston and reciprocates in the sleeve, when the piston moves to the direction that is close to the cam, solenoid valve I opens, solenoid valve II closes, outside gas draws in the sleeve through the intake pipe, when the piston moves to the direction that keeps away from the cam, solenoid valve I closes, solenoid valve II opens, gas in the sleeve gets into in the conveying hose through the honeycomb duct, then flow into in the arctube, the gas in the arctube flows into a plurality of outlet ducts respectively, and blow into in the barrel through the outlet duct, can accelerate the maize flow through blowing, shorten the dwell time of maize in the barrel, reduce the maize breakage rate, effectively promote the commodity quality and the follow-up processing utilization value of kernel of maize. Preferably, the outer wall of the rotary shaft is uniformly and fixedly connected with a limiting ring, each fixing ring is correspondingly arranged between two limiting rings, and the bottom of the storage bin is uniformly provided with a filtering hole. Preferably, a discharge hole is formed in one end of the cylinder, a feed inlet is formed in the other end of the cylinder, and a feed hopper is arranged in the feed inlet of the cylinder. Preferably, the auxiliary threshing assembly comprises a supporting seat, the bottom of the supporting seat is fixedly connected to the inner wall of the supporting frame, a sleeve is arranged at the top of the supporting seat, and a piston is slidably connected in the sleeve. Preferably, the inner wall fixedly connected with support column of support frame, motor two is installed at the top of support column, the output fixedly connected with axis of rotation of motor two, the outer wall fixedly connected with cam of axis of rotation, the outer wall of cam contacts with the bottom of barrel. Preferably, an eccentric rod is installed on one side of the cam, a swinging rod is arranged on the outer wall of the eccentric rod, one end, far away from the eccentric