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CN-224218952-U - Threshing machine

CN224218952UCN 224218952 UCN224218952 UCN 224218952UCN-224218952-U

Abstract

The utility model relates to the field of agricultural mechanical equipment, in particular to a threshing machine, which comprises a frame body, wherein a threshing cavity for threshing is arranged on the frame body, a feeding groove is connected to the front side of the threshing cavity, a straw discharge port is connected to the rear side of the threshing cavity, a supporting net is arranged on the inner side of the threshing cavity, a rotating shaft is arranged in the threshing cavity along the front-back direction and is used for driving a threshing fan and a rear fan, a plurality of driving wheels are arranged on the rotating shaft and positioned in the threshing cavity, an air suction piece is connected to the rear side of the fan, an opening of the air suction piece faces downwards, a wind force adjusting plate for adjusting the suction force is arranged on the air suction piece, a detachable vibrating screen and a vibrating mechanism for driving the vibrating screen are arranged on the frame body and positioned below the threshing cavity, double wind force adjustment is designed, the double wind force adjustment can be suitable for grains with different weights, suction of dust and sundries is guaranteed, misdischarge of grains is reduced, the vibrating screen capable of being replaced quickly is designed, therefore the threshing device is suitable for grains with different sizes, straw winding and blocking are prevented, and use efficiency is guaranteed.

Inventors

  • FENG LIWEI
  • FENG HAO

Assignees

  • 河北源耕农业机械有限公司

Dates

Publication Date
20260512
Application Date
20250614

Claims (9)

  1. 1. A threshing machine comprises a frame body (1), wherein a threshing cavity (2) for threshing is arranged on the frame body (1), a feeding groove (3) is connected to the front side of the threshing cavity (2), a straw discharge opening (11) is connected to the rear side of the threshing cavity, and a supporting net is arranged on the inner side of the threshing cavity, and is characterized in that a rotating shaft is arranged in the threshing cavity (2) along the front-back direction, the front end of the rotating shaft extends out of the threshing cavity (2) and is then connected with a belt pulley I (4) for connecting driving equipment, the other end of the rotating shaft is in driving connection with a fan (12) arranged at the rear of the threshing cavity (2), a plurality of driving wheels (6) are arranged in the rotating shaft and are positioned in the threshing cavity (2), a plurality of beating plates are uniformly arranged on the outer sides of the driving wheels (6) along the circumference, a plurality of plate teeth (7) are arranged on the outer side of each beating plate through bolts, the side of one plate tooth (7) is connected with saw-tooth-shaped beating cutters (25) on two sides, the beating cutters (25) on the plurality of beating plates) are staggered, a piece (12) is connected to the rear side of the fan (12) and is connected with a piece (13) towards the rear side of the fan, an air suction opening (13) is connected with an air suction opening (13) downwards, and a waste material is connected with an air suction opening (13) is arranged at the air suction opening (13), the wind suction piece (13) is provided with a wind force adjusting plate (14) for adjusting the suction force, the detachable vibrating screen (18) is obliquely arranged on the frame body (1) below the threshing cavity (2) towards the rear, and a vibrating mechanism for driving the vibrating screen (18) to vibrate is arranged below the vibrating screen.
  2. 2. A threshing machine according to claim 1, wherein the front end and the rear end below the vibrating screen (18) are respectively connected with a connecting rod (23), the left end and the right end of the connecting rod (23) are respectively connected with movable bearings (24), a plurality of C-shaped movable grooves (22) are formed in the frame body (1) towards the rear, and each movable bearing (24) is arranged in each movable groove (22).
  3. 3. A threshing machine according to claim 2, wherein the vibration mechanism comprises a speed reducer (19) arranged on the frame body (1), a belt pulley II (20) for power input is connected to the speed reducer (19), a power output end of the speed reducer (19) is connected to the lower portion of the vibration screen (18) in a transmission mode through a connecting rod assembly (21), and the connecting rod assembly (21) is connected with the vibration screen (18) through bolts.
  4. 4. The threshing machine according to claim 1, wherein a hole is formed in the upper portion of the rear of the air suction piece (13), a wind power adjusting plate (14) is installed on the outer side of the hole in a sliding mode in the vertical direction, an adjusting bolt (15) is installed on the air suction piece (13), the wind power adjusting plate (14) is pressed to limit through the adjusting bolt (15), a distance adjusting plate (16) is arranged at the opening portion of the bottom end of the air suction piece (13), a plurality of bolts are arranged at the bottom of the air suction piece (13), and the distance adjusting plate (16) is pressed to limit through the bolts.
  5. 5. A threshing machine as claimed in claim 1, characterized in that the fan (12) comprises a connecting disc (26), the connecting disc (26) is connected to the end part of the rotating shaft through bolts, a plurality of fan blades (27) are uniformly arranged on the connecting disc (26) along the circumference, and the fan blades (27) are all arranged through bolts.
  6. 6. A threshing machine according to claim 1, characterized in that a blind groove is formed in the front end of the threshing cavity (2) above the rotating shaft, and a movable baffle (5) is movably arranged in the blind groove.
  7. 7. A threshing machine according to claim 1, wherein the supporting net comprises a plurality of U-shaped longitudinal fixing strips (8) arranged in the threshing cavity (2), a plurality of clamping grooves are formed in the inner sides of the longitudinal fixing strips (8), cutting strips (9) arranged in the front-back direction are clamped in the clamping grooves, the cutting strips (9) are welded, round holes are formed in the cutting strips (9), and carbonized steel wires (10) penetrate through the round holes to form a net-shaped structure.
  8. 8. A threshing machine as claimed in claim 3, characterized in that the speed reducer (19) is a gear reducer.
  9. 9. A threshing machine as claimed in claim 1, characterized in that the vibrating screen (18) is a coarse mesh structure formed by openings in iron sheets.

Description

Threshing machine Technical Field The utility model relates to the field of agricultural mechanical equipment, in particular to a threshing machine. Background The threshing machine is a common device in agriculture, and mainly uses acting force to wind power grain and straw so as to facilitate subsequent processing. However, the conventional threshing machine still has certain defects in the working process, for example, as the straw is mostly longer and softer, the straw is easily blocked in the rotating rod, the threshing efficiency is affected, the machine is easy to break down, the hardness and the adaptability of the conventional screen and the conventional vibrating device are poorer, the requirements of different crop types are difficult to meet, for example, the size and the weight difference of grains of wheat and highland barley are larger, the equipment is mostly only applied to one grain, and the equipment is required to be replaced when the other grain is required to be processed, so that the equipment is inconvenient. Disclosure of utility model The utility model aims to overcome the defects and shortcomings of the prior art and provides a threshing machine with reasonable design, which can solve the defects. The threshing device comprises a frame body, a threshing cavity used for threshing is formed in the frame body, a feeding groove is connected to the front side of the threshing cavity, straw discharging ports are connected to the rear side of the threshing cavity, a supporting net is arranged on the inner side of the threshing cavity, a rotating shaft is arranged in the threshing cavity along the front-rear direction, the front end of the rotating shaft stretches out of the threshing cavity and is then connected with a belt pulley I used for connecting driving equipment, the other end of the rotating shaft is connected to a fan arranged at the rear of the threshing cavity in a driving mode, a plurality of driving wheels are arranged in the threshing cavity on the rotating shaft, a plurality of threshing plates are uniformly arranged on the outer sides of the driving wheels along the circumference, a plurality of cutter teeth are arranged on the outer side of each threshing plate through bolts, cutter teeth on one of the threshing plates are connected with cutter teeth on two sides of the cutter teeth in a zigzag mode, an air suction piece is connected to the rear side of the fan, the air suction piece faces downwards, an air inlet of the fan is connected with a fine waste discharging port, a wind force adjusting plate is arranged on the air suction piece, a vibrating screen is arranged on the vibrating screen, and a vibrating screen is arranged below the vibrating screen is arranged on the vibrating screen. Preferably, the front and rear ends below the vibrating screen are respectively connected with a connecting rod, the left and right ends of the connecting rod are respectively connected with movable bearings, a plurality of C-shaped movable grooves are formed in the frame body towards the rear, and each movable bearing is arranged in each movable groove. Preferably, the vibration mechanism comprises a speed reducer arranged on the frame body, a belt pulley II for power input is connected to the speed reducer, a power output end of the speed reducer is connected to the lower portion of the vibration screen through a connecting rod assembly in a transmission mode, and the connecting rod assembly is connected with the vibration screen through bolts. The air suction device comprises an air suction piece, a wind power adjusting plate, an adjusting bolt, a distance adjusting plate, a plurality of bolts and a distance adjusting plate, wherein the upper part of the rear of the air suction piece is provided with a hole, the wind power adjusting plate is slidably arranged at the outer side of the hole along the vertical direction, the air suction piece is provided with the adjusting bolt, the wind power adjusting plate is pressed and limited through the adjusting bolt, the distance adjusting plate is arranged at the opening of the bottom end of the air suction piece, and the bolts are arranged at the bottom of the air suction piece and are pressed and limited through the bolts. Preferably, the fan comprises a connecting disc, the connecting disc is connected to the end part of the rotating shaft through a bolt, a plurality of fan blades are uniformly arranged on the connecting disc along the circumference, and the fan blades are connected through bolts. Preferably, a blind groove is formed in the front end of the threshing cavity above the rotating shaft, and a movable baffle is movably arranged in the blind groove. Preferably, the supporting net comprises a plurality of longitudinal fixing strips which are arranged in the threshing cavity and are U-shaped, a plurality of clamping grooves are formed in the inner sides of the longitudinal fixing strips, cutting strips which are arranged in the f