A small-sized small-grain crop thresher

By designing a small small crop threshing machine including chassis, top cover, screen, threshing mechanism and transmission mechanism, the problems of poor threshing effect, difficulty in collection, difficulty in cleaning, large safety hazards, difficulty in handling and small application scope in the prior art have been solved, and a more efficient and safer threshing process and a wider scope of application are achieved.

CN112205177BActive Publication Date: 2025-05-09INNER MONGOLIA AUTONOMOUS REGION ACAD OF AGRI & ANIMAL HUSBANDRY SCI
View PDF 4 Cites 0 Cited by

Patent Information

Application Number
CN202011259357.3
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-11-08
Publication Date
2025-05-09
Estimated Expiration
2040-11-08

AI Technical Summary

Technical Problem

The existing small crop threshers have problems such as poor threshing effect, difficulty in collecting grains and brans, difficulty in cleaning internal equipment, large safety hazards, difficulty in handling and small scope of application.

Method used

A small small crop threshing machine is designed, including a chassis, top cover, screen, threshing mechanism and transmission mechanism. The top cover is connected by hinges for easy opening; the screen is arranged on the support edge by sliding edges, which is easy to disassemble and replace; the threshing mechanism is connected to the motor through a transmission mechanism, including a threshing rack and threshing rod, which improves threshing efficiency; a universal wheel is arranged at the bottom of the equipment for easy movement.

Benefits of technology

It achieves a better threshing effect, and the collection of grains and brans is more convenient, the equipment is easier to clean, safer, wider application range, and the equipment is easy to move.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN112205177B_ABST
    Figure CN112205177B_ABST
Patent Text Reader

Abstract

The invention discloses a small-sized small-grain crop thresher, comprising a chassis, a top cover is arranged on the top of the chassis, the lower rear end of the top cover is connected to the chassis through a hinge, a feed port is arranged on the front side of the right end of the top cover, a bran outlet is arranged below the left end of the top cover, two front and rear support edges are arranged at the front and rear ends of the upper part of the chassis, a screen is arranged on the upper part of the chassis, sliding edges are arranged at the front and rear ends of the screen, the sliding edges are supported on the corresponding support edges, an opening is arranged on the upper side of the chassis facing the screen, the opening is connected with a limited baffle by bolts, a threshing mechanism is arranged in the cavity between the screen and the top cover, and the threshing mechanism is connected to the power output end of the motor through a transmission mechanism. The device has good threshing effect, and grains and bran are easier to collect, the inside of the device is easier to clean, and it is convenient to move, with a wide range of application and better safety.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The invention relates to the technical field of crop processing equipment, and in particular to a small-sized small-grain crop thresher. Background Art

[0002] In the prior art, the threshing of small-grain crops (such as millet) planted in scientific research plots and other small areas is completed by threshers, but there is no small threshing machine specifically used for small-grain crops here in the prior art. The main problems of existing models on the market are: 1. The threshing effect is not good, and multiple threshings are required; 2. It is difficult to collect grains and bran, and the ground near the equipment needs to be carefully cleaned and collected; 3. It is difficult to clean the inside of the machine, which is time-consuming and laborious; 4. The protective measures are not in place, and there are safety hazards; 5. It is difficult to carry the machine; 6. The scope of application is small.

[0003] In view of these existing problems, there is an urgent need in the prior art for a small-scale small-grain crop thresher with good threshing effect, easier collection of grains and bran, easier cleaning inside the equipment, easy mobility, wide application range and better safety. Summary of the invention

[0004] The purpose of the present invention is to overcome the shortcomings of the prior art and provide a small-sized small-grain crop thresher which is easier to clean inside the device and has a wide application range.

[0005] The present invention is achieved through the following technical solutions: a small-sized small-grain crop thresher comprises a chassis, a top cover is arranged on the top of the chassis, the lower rear end of the top cover is connected to the chassis through a hinge, a feed port is arranged on the front side of the right end of the top cover, a bran outlet is arranged below the left end of the top cover, front and rear supporting edges are arranged at the front and rear ends of the upper part of the chassis, a screen is arranged on the upper part of the chassis, sliding edges are arranged at the front and rear ends of the screen, the sliding edges are supported on the corresponding supporting edges, an opening is arranged on the upper side of the chassis facing the screen, the opening is connected to a limiting baffle by bolts, a threshing mechanism is arranged in the cavity between the screen and the top cover, and the threshing mechanism is connected to the power output end of the motor through a transmission mechanism.

[0006] The threshing mechanism comprises a rotating shaft, a threshing frame arranged on the right half of the transmission shaft and a plurality of threshing rods arranged on the left half of the transmission shaft, the threshing frame comprises three threshing beams evenly located outside the outer circumference of the transmission shaft, each of the threshing beams is provided with a row of oblique teeth, and the threshing rod comprises a vertical pipe and a circle of threshing petals arranged on the top of the vertical pipe.

[0007] The chassis is provided with a first blanking inclined plate below the screen, which extends obliquely downward from the front end of the chassis to the middle of the chassis. The chassis is provided with a second blanking inclined plate below the screen, which extends obliquely downward from the rear end of the chassis to the front of the chassis. The front half of the second blanking inclined plate is located below the first blanking inclined plate, and a grain outlet is formed between the front half of the second blanking inclined plate and the first blanking inclined plate.

[0008] The chassis is provided with a third blanking inclined plate below the second blanking inclined plate, and the third blanking inclined plate extends obliquely downward from below the front end of the second blanking inclined plate to the front end of the chassis, and a gap is left between the third blanking inclined plate and the second blanking inclined plate. The chassis is provided with an exhaust chamber below the second blanking inclined plate and the third blanking inclined plate, and an exhaust fan is provided in the exhaust chamber, and an air outlet of the exhaust fan is connected to a dust collection bag on the outside of the chassis.

[0009] The machine box is provided with a grain discharge cover at the front side of the grain outlet, and a grain discharge hopper is provided at the bottom of the grain discharge cover.

[0010] The transmission mechanism includes a first passive pulley connected to the rotating shaft and an active double-groove pulley connected to the power output end of the motor, the active double-groove pulley is connected to the first passive pulley through a first belt, the rotating main shaft of the exhaust fan is connected to a second passive pulley, and the active double-groove pulley is connected to the second passive pulley through a second belt.

[0011] The first passive pulley, the second passive pulley and the active double-groove pulley are all located on one side of the chassis, and a protective cover is connected to the side of the chassis at the outer sides of the first passive pulley, the second passive pulley and the active double-groove pulley.

[0012] The feed port is provided with a feed trough, and the feed port is connected with a feed baffle via a hinge.

[0013] The left end of the top cover extends outwardly to the left side of the chassis, and the bran outlet is formed between the lower end of the extended portion of the top cover and the chassis, and a bran discharge hopper is provided at the lower end of the bran outlet.

[0014] The bottom of the chassis is provided with universal wheels.

[0015] The beneficial effects of the present invention are: 1. The present invention is provided with a protective cover to protect the operator and improve the safety of the equipment; 2. The threshing mechanism is optimized and designed to achieve a better threshing effect and better complete the threshing work; 3. During the processing, the grains and bran are respectively output from the grain outlet and the bran outlet to the corresponding discharge hopper, which is convenient for collection and saves time and effort; 4. The top of the equipment is connected to the top cover by a hinge, which is convenient to open, and the screen is arranged on the supporting edge by a sliding edge, which is convenient for disassembly and replacement, so that the internal cleaning work can be better solved, and the screens with different apertures can be replaced to be suitable for different crops, thereby increasing the scope of application; 5. Universal wheels are arranged at the bottom of the equipment for easy movement. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the back structure of the present invention;

[0017] Figure 2 It is a schematic diagram of the right structure of the present invention;

[0018] Figure 3 It is a left structural schematic diagram of the present invention;

[0019] Figure 4 It is a structural schematic diagram of the threshing mechanism.

[0020] In the figure: 1-chassis; 2-protective cover; 3-grain outlet; 4-grain discharge hopper; 5-bran outlet; 6-bran discharge hopper; 7-top cover; 8-hinge; 9-feed chute; 10-feed baffle; 11-screen; 12-sliding edge; 13-support edge; 14-bolt; 15-limit baffle; 16-universal wheel; 17-motor; 18-active double-groove pulley; 19-first passive pulley; 20-first belt; 21-second passive pulley; 22-second belt; 23-exhaust fan; 24-dust collecting bag; 25-first blanking inclined plate; 26-second blanking inclined plate; 27-third blanking inclined plate; 28-gap; 29-rotating shaft; 30-vertical pipe; 31-threshing petal; 32-threshing frame; 33-threshing beam; 34-oblique teeth; 35-threshing rod; 36-grain discharge cover. DETAILED DESCRIPTION

[0021] The present invention is described in detail below with reference to the accompanying drawings.

[0022] like Figure 1-Figure 3As shown, a small-sized small-grain crop thresher comprises a chassis 1, a top cover 7 is arranged on the top of the chassis 1, a lower rear end of the top cover 7 is connected to the chassis 1 through a hinge 8, a feed port is arranged on the front side of the right end of the top cover 7, a bran outlet 5 is arranged below the left end of the top cover 7, two front and rear support edges 13 are arranged at the front and rear ends of the upper part of the chassis 1, a screen 11 is arranged on the upper part of the chassis 1, a sliding edge 12 is arranged at the front and rear ends of the screen 11, and the sliding edge 12 is supported on the corresponding support edge 13, an opening is arranged on the upper side of the chassis 1 facing the screen 11, and the opening is connected to a limiting baffle 15 through a bolt 14, a threshing mechanism is arranged in the cavity between the screen 11 and the top cover 7, and the threshing mechanism is connected to the power output end of the motor 17 through a transmission mechanism.

[0023] The top of the device is connected to the top cover 7 by a hinge 8, which is convenient to open. Unscrew the bolt 14, open the limit baffle 15, and the screen 11 can be pulled out, which can better solve the internal cleaning work, and the screen 11 with different apertures can be replaced to be suitable for different crops and increase the scope of application.

[0024] During operation, the motor 17 drives the threshing mechanism to rotate through the transmission mechanism, and the operator puts the crops into the equipment from the feed inlet. After threshing, the grains fall through the screen 11, and the bran is output from the bran outlet 5.

[0025] like Figure 4 As shown, the threshing mechanism includes a rotating shaft 29, a threshing frame 32 arranged on the right half of the transmission shaft, and a plurality of threshing rods 35 arranged on the left half of the transmission shaft. The threshing frame 32 includes three threshing beams 33 evenly located outside the outer circumference of the transmission shaft, each threshing beam 33 is provided with a row of oblique teeth 34, and the threshing rod 35 includes a vertical pipe 30 and a circle of threshing petals 31 arranged on the top of the vertical pipe 30. The threshing mechanism has a more reasonable structure, a better threshing effect, and can better complete the threshing work.

[0026] like Figure 2 As shown, the chassis 1 is provided with a first blanking inclined plate 25 below the screen 11 and extends obliquely downward from the front end of the chassis 1 to the middle of the chassis 1, and the chassis 1 is provided with a second blanking inclined plate 26 below the screen 11 and extends obliquely downward from the rear end of the chassis 1 to the front of the chassis 1, the front half of the second blanking inclined plate 26 is located below the first blanking inclined plate 25, and a grain outlet 3 is formed between the front half of the second blanking inclined plate 26 and the first blanking inclined plate 25.

[0027] The chassis 1 is provided with a third blanking inclined plate 27 below the second blanking inclined plate 26, and the third blanking inclined plate 27 extends obliquely downward from below the front end of the second blanking inclined plate 26 to the front end of the chassis 1, and a gap 28 is left between the third blanking inclined plate 27 and the second blanking inclined plate 26. The chassis 1 is provided with an exhaust cavity below the second blanking inclined plate 26 and the third blanking inclined plate 27, and an exhaust fan 23 is provided in the exhaust cavity, and the air outlet of the exhaust fan 23 is connected to a dust collection bag 24 on the outside of the chassis 1. The dust generated during the processing is collected to ensure the air quality of the operating environment and the health of the operators.

[0028] The machine case 1 is provided with a grain discharge cover 36 at the front side of the grain outlet 3, and a grain discharge hopper 4 is provided at the bottom of the grain discharge cover 36. The grains are output from the grain outlet 3 to the corresponding grain discharge hopper 4, which is convenient for collection and saves time and effort.

[0029] The transmission mechanism includes a first passive pulley 19 connected to the rotating shaft 29 and an active double-groove pulley 18 connected to the power output end of the motor 17. The active double-groove pulley 18 is connected to the first passive pulley 19 through a first belt 20. The rotating main shaft of the exhaust fan 23 is connected to a second passive pulley 21. The active double-groove pulley 18 is connected to the second passive pulley 21 through a second belt 22.

[0030] like Figure 1 , Figure 2 As shown, the first passive pulley 19, the second passive pulley 21, and the active double-groove pulley 18 are all located on one side of the chassis 1, and the side of the chassis 1 is connected with a protective cover 2 on the outside of the first passive pulley 19, the second passive pulley 21, and the active double-groove pulley 18. The operator is protected and the safety of the equipment is improved.

[0031] The feed port is provided with a feed trough 9 , and the feed port is connected with a feed baffle 10 via a hinge 8 .

[0032] like Figure 1 , Figure 3 As shown, the left end of the top cover 7 extends outwardly to the left side of the chassis 1, and a bran outlet 5 is formed between the lower end of the extended portion of the top cover 7 and the chassis 1, and a bran discharge hopper 6 is provided at the lower end of the bran outlet 5. The bran is output from the bran outlet 5 to the corresponding bran discharge hopper 6, which is convenient for collection and saves time and effort.

[0033] Universal wheels 16 are provided at the bottom of the chassis 1 for easy movement.

[0034] Finally, it should be noted that the above content is only used to illustrate the technical solution of the present invention, rather than to limit the scope of protection of the present invention. Simple modifications or equivalent substitutions of the technical solution of the present invention by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the present invention.

Claims

1. A small-sized small-grain crop thresher, comprising a chassis, characterized in that: A top cover is provided on the top of the chassis, and the lower rear end of the top cover is connected to the chassis by a hinge, a feed port is provided on the front side of the right end portion of the top cover, and a bran outlet is provided at the lower left end portion of the top cover, front and rear two supporting edges are provided at the front and rear ends of the upper part of the chassis, a screen is provided on the upper part of the chassis, and sliding edges are provided at the front and rear ends of the screen, and the sliding edges are supported on the corresponding supporting edges, an opening is provided on the upper side of the chassis facing the screen, and the opening is connected to a limited baffle by bolts, a threshing mechanism is provided in the cavity between the screen and the top cover, and the threshing mechanism is connected to the power output end of the motor through a transmission mechanism; the threshing mechanism includes a rotating shaft, a threshing frame provided on the right half of the transmission shaft, and a plurality of threshing rods provided on the left half of the transmission shaft, the threshing frame includes three threshing beams evenly located outside the outer circumference of the transmission shaft, each of the threshing beams is provided with a row of bevel teeth, and the threshing rod includes a vertical Tube and a circle of threshing petals arranged on the top of the vertical pipe; the chassis is provided with a first blanking inclined plate below the screen, which extends obliquely downward from the front end of the chassis to the middle of the chassis, and the chassis is provided with a second blanking inclined plate below the screen, which extends obliquely downward from the rear end of the chassis to the front of the chassis, the front half of the second blanking inclined plate is located below the first blanking inclined plate, and a grain outlet is formed between the front half of the second blanking inclined plate and the first blanking inclined plate; the chassis is provided with a third blanking inclined plate below the second blanking inclined plate, the third blanking inclined plate extends obliquely downward from below the front end of the second blanking inclined plate to the front end of the chassis, and a gap is left between the third blanking inclined plate and the second blanking inclined plate, and the chassis is provided with an exhaust chamber below the second blanking inclined plate and the third blanking inclined plate, and an exhaust fan is arranged in the exhaust chamber, and the air outlet of the exhaust fan is connected to a dust collection bag on the outside of the chassis.

2. A small-sized small-grain crop thresher according to claim 1, characterized in that: The machine box is provided with a grain discharge cover at the front side of the grain outlet, and a grain discharge hopper is provided at the bottom of the grain discharge cover.

3. A small-sized small-grain crop thresher according to claim 2, characterized in that: The transmission mechanism includes a first passive pulley connected to the rotating shaft and an active double-groove pulley connected to the power output end of the motor, the active double-groove pulley is connected to the first passive pulley through a first belt, the rotating main shaft of the exhaust fan is connected to a second passive pulley, and the active double-groove pulley is connected to the second passive pulley through a second belt.

4. A small-sized small-grain crop thresher according to claim 3, characterized in that: The first passive pulley, the second passive pulley and the active double-groove pulley are all located on one side of the chassis, and a protective cover is connected to the side of the chassis at the outer sides of the first passive pulley, the second passive pulley and the active double-groove pulley.

5. A small-sized small-grain crop thresher according to claim 1, characterized in that: The feed port is provided with a feed trough, and the feed port is connected with a feed baffle via a hinge.

6. A small-sized small-grain crop thresher according to claim 5, characterized in that: The left end of the top cover extends outwardly to the left side of the chassis, and the bran outlet is formed between the lower end of the extended portion of the top cover and the chassis, and a bran discharge hopper is provided at the lower end of the bran outlet.

7. A small-sized small-grain crop thresher according to claim 1, characterized in that: The bottom of the chassis is provided with universal wheels.

Citation Information

Patent Citations

  • Small corn threshing machine

    CN103535161A

  • Millet and corn thresher

    CN204291843U

  • Peanut thresher

    CN207978401U

  • Small grain crop threshing machine

    CN213991739U