CN209676906U - A kind of corn threshing device - Google Patents

A kind of corn threshing device Download PDF

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Publication number
CN209676906U
CN209676906U CN201920215061.8U CN201920215061U CN209676906U CN 209676906 U CN209676906 U CN 209676906U CN 201920215061 U CN201920215061 U CN 201920215061U CN 209676906 U CN209676906 U CN 209676906U
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CN
China
Prior art keywords
threshing
band
screen
corn
corn ear
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201920215061.8U
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Chinese (zh)
Inventor
张云文
单志
刘子琪
杨帆
姜磊
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China Agricultural University
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China Agricultural University
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Publication date
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Priority to CN201920215061.8U priority Critical patent/CN209676906U/en
Application granted granted Critical
Publication of CN209676906U publication Critical patent/CN209676906U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model belongs to agricultural mechanical field, in particular to a kind of corn threshing device;It mainly includes upper housing 1, feed inlet 11, lower case 2, grain export 21, core discharging outlet 22, threshing band 3, threshing screen 4, spring 5;When work, corn ear is fallen from feed inlet 1, fall into the gap between threshing band 3 and threshing screen 4, due to the pressuring action of spring 5, corn ear is clamped in always between threshing band 3 and threshing screen 4, under the drive of threshing band 3, corn ear rubs threshing while moving backward, the seed taken off leaks down between the grizzly bar of threshing screen 4, fall on the bottom of lower case 2, seed is collected by grain export 21, corncob, which then continues to be driven by threshing band 3, rearward to be moved, until being discharged from core discharging outlet 22;The utility model structure is simple, and operating efficiency is high, and corn ear is rubbed and rubbed between threshing band 3 and threshing screen 4 threshing, improves threshing performance, reduce breakage rate.

Description

A kind of corn threshing device
Technical field
The utility model belongs to agricultural mechanical field, in particular to a kind of corn threshing device.
Background technique
Corn is important cereal crops and forage crop, and cultivated area is only second to rice and wheat, accounts for world food The 35.63% of overall crop yield, and area output is also constantly increasing.Crucial crop of the corn as China's grain-production, Production distribution is extensive, and the dominant area of plantation is mainly distributed on the wide area that northeast southwester extends through Huang-Huai-Hai, including north Square Spring Maize Area, Huang-Huai-Hai summer corn area and southwestern mountain Maize Region.But there are threshing performances to be difficult to guarantee for existing corn threshing device, The higher problem of breakage rate, brings greater loss to farmer.Therefore, it needs to design simple, effective corn threshing device, mention The operating efficiency of high corn threshing solves the problems, such as that threshing performance is low, breakage rate is high.
Summary of the invention
The purpose of the utility model is to provide a kind of corn threshing devices.
The utility model is to adopt the following technical scheme that a kind of corn threshing device for realizing its goal of the invention;It includes upper Shell (1), feed inlet (11), lower case (2), grain export (21), core discharging outlet (22), threshing band (3), threshing band front pulley (31), belt wheel (32), rear pulley shaft (321), rear band after front pulley axis (311), front pulley axle bearing end cap (312), threshing band Wheel bearing end cap (322), threshing screen (4), spring (5);Feed inlet (11) are arranged in upper housing (1) top, feed inlet (11) It is infundibulate wide at the top and narrow at the bottom, lower case (2) bottom, rear portion are open respectively, and bottom opening is grain export (21), and rear portion opening is Core discharging outlet (22), threshing band front pulley (31), after threshing band belt wheel (32) respectively with front pulley axis (311), rear pulley shaft (321) It is connected by key, front pulley axis (311), rear pulley shaft (321) are mounted on lower case (2), and threshing screen (4) is located at threshing band (3) lower section, threshing screen (4) lower part are connect by spring (5) with lower case (2), totally six, spring (5), divide three groups, two are One group;When work, threshing band front pulley (31) is driving wheel, and belt wheel (32) is driven wheel after threshing band, and corn ear is from charging Mouth (11) is fallen, and the gap between threshing band (3) and threshing screen (4) is fallen into, due to the spring (5) below threshing screen (4) Pressuring action, corn ear is clamped in always between threshing band (3) and threshing screen (4), the drive in threshing band (3) Under, corn ear rubs threshing while moving backward, and the seed taken off leaks down between the grizzly bar of threshing screen (4), falls To the bottom of lower case (2), seed is collected by grain export (21), corncob, which then continues to be driven by threshing band (3), rearward to be moved, Until being discharged from core discharging outlet (22).
In order to which corn threshing function is better achieved, the working face of threshing band (3) designs protruding pattern, guarantees and corn fruit There is enough frictional force between fringe, corn ear is driven to carry out threshing, band before threshing band (3) and threshing band while moving backward Toothed belt transmission is used after wheel (31), threshing band between belt wheel (32), avoids skidding.
In order to corn threshing function is better achieved, it is uniformly arranged grizzly bar on threshing screen (4), is distributed screw thread on grizzly bar, Increase the frictional force between corn ear and threshing screen (4), has gap between grizzly bar, can leak down niblet.
It is a kind of to use a kind of corn threshing device as described above.
Due to using technical solution as described above, a kind of corn threshing device structure of the utility model is simple, operation High-efficient, corn ear is rubbed and is rubbed threshing between threshing band (3) and threshing screen (4), improves threshing performance, drop Low breakage rate.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of corn threshing device of the utility model
Fig. 2 is a kind of side diagrammatic cross-section of corn threshing device of the utility model
Fig. 3 is a kind of threshing band of corn threshing device of the utility model and the structural schematic diagram of threshing screen
Fig. 4 is that a kind of threshing of corn threshing device of the utility model is shown with the structure of front pulley (and belt wheel after threshing band) It is intended to
Fig. 5 is a kind of structural schematic diagram of the threshing band of corn threshing device of the utility model
Fig. 6 is a kind of structural schematic diagram of the threshing screen of corn threshing device of the utility model
Fig. 7 is a kind of structural schematic diagram of the lower case of corn threshing device of the utility model
Appended drawing reference are as follows:
1-- upper housing 11-- feed inlet
2-- 21-grain export of lower case
22-- core discharging outlet 3-- threshing band
31-- threshing band front pulley 311-- front pulley axis
Belt wheel after 312-- front pulley axle bearing end cap 32-- threshing band
Pulley shaft bearing (ball) cover after pulley shaft 322-- after 321--
4-- threshing screen 5-- spring
Specific embodiment
In conjunction with attached drawing and by embodiment, the utility model is described in further detail below.
By Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 7 it is found that a kind of corn threshing device;It include upper housing (1), Feed inlet (11), lower case (2), grain export (21), core discharging outlet (22), threshing band (3), threshing band front pulley (31), front pulley Belt wheel (32), rear pulley shaft (321), rear pulley shaft bearing (ball) cover after axis (311), front pulley axle bearing end cap (312), threshing band (322), threshing screen (4), spring (5);Feed inlet (11) are arranged in upper housing (1) top, and feed inlet (11) is wide at the top and narrow at the bottom Infundibulate, lower case (2) bottom, rear portion are open respectively, and bottom opening is grain export (21), and rear portion opening is core discharging outlet (22), Belt wheel (32) is connected by key with front pulley axis (311), rear pulley shaft (321) respectively after threshing band front pulley (31), threshing band, Front pulley axis (311), rear pulley shaft (321) are mounted on lower case (2), and threshing screen (4) is located at below threshing band (3), are taken off Grain screen (4) lower part is connect by spring (5) with lower case (2), totally six, spring (5), divides three groups, two are one group;Work When, threshing band front pulley (31) is driving wheel, and belt wheel (32) is driven wheel after threshing band, and corn ear is fallen from feed inlet (11) Under, the gap between threshing band (3) and threshing screen (4) is fallen into, since the compression of the spring (5) below threshing screen (4) is made With, corn ear is clamped in always between threshing band (3) and threshing screen (4), under the drive of threshing band (3), corn fruit Fringe rubs threshing while moving backward, and the seed taken off leaks down between the grizzly bar of threshing screen (4), falls on lower case (2) seed is collected by grain export (21) in bottom, and corncob, which then continues to be driven by threshing band (3), rearward to be moved, until from row Core mouth (22) discharge.
As shown in Fig. 2, Fig. 3, Fig. 4 and Fig. 5, in order to which corn threshing function is better achieved, the working face of threshing band (3) is set Protruding pattern is counted, guarantees there is enough frictional force between corn ear, corn ear is driven to be taken off while moving backward Toothed belt transmission is used between belt wheel (32) after grain, threshing band (3) and threshing band front pulley (31), threshing band, avoids skidding.
As shown in Fig. 2, Fig. 3 and Fig. 6, in order to which corn threshing function is better achieved, threshing screen is uniformly arranged grid on (4) Item is distributed screw thread on grizzly bar, increases the frictional force between corn ear and threshing screen (4), has gap between grizzly bar, can leak Lower niblet.
The utility model structure is simple, and operating efficiency is high, corn ear between threshing band (3) and threshing screen (4) into Row friction and rubbing threshing, improve threshing performance, reduce breakage rate.
Above-described is only the preferred embodiments of the present invention, it is noted that for those of ordinary skill in the art For, without departing from the concept of the present invention, several changes and improvements can be also made, these belong to this reality With novel protection scope.

Claims (3)

1. a kind of corn threshing device, which is characterized in that it includes upper housing (1), feed inlet (11), lower case (2), grain export (21), core discharging outlet (22), threshing band (3), threshing band front pulley (31), front pulley axis (311), front pulley axle bearing end cap (312), belt wheel (32), rear pulley shaft (321), rear pulley shaft bearing (ball) cover (322), threshing screen (4), spring after threshing band (5);Feed inlet (11) are arranged in upper housing (1) top, and feed inlet (11) is infundibulate wide at the top and narrow at the bottom, lower case (2) bottom, after Portion is open respectively, and bottom opening is grain export (21), and rear portion opening is core discharging outlet (22), threshing band front pulley (31), threshing band Belt wheel (32) is connected by key with front pulley axis (311), rear pulley shaft (321) respectively afterwards, front pulley axis (311), rear pulley shaft (321) it is mounted on lower case (2), threshing screen (4) is located at below threshing band (3), and threshing screen (4) lower part passes through spring (5) it is connect with lower case (2), totally six, spring (5), divides three groups, two are one group;When work, threshing band front pulley (31) is Driving wheel, belt wheel (32) is driven wheel after threshing band, and corn ear is fallen from feed inlet (11), falls into threshing band (3) and threshing Gap between screen (4), due to the pressuring action of the spring (5) below threshing screen (4), corn ear is clamped in always Between threshing band (3) and threshing screen (4), under the drive of threshing band (3), corn ear is rubbed de- while moving backward Grain, the seed taken off leak down between the grizzly bar of threshing screen (4), fall on the bottom of lower case (2), are collected by grain export (21) Seed, corncob, which then continues to be driven by threshing band (3), rearward to be moved, until being discharged from core discharging outlet (22).
2. a kind of corn threshing device according to claim 1, which is characterized in that the working face of the threshing band (3) Protruding pattern is designed, guarantees there is enough frictional force between corn ear, corn ear is driven to move while progress backward Toothed belt transmission is used between belt wheel (32) after threshing, the threshing band (3) and threshing band front pulley (31), threshing band, is kept away Exempt to skid.
3. a kind of corn threshing device according to claim 1, which is characterized in that on the threshing screen (4) uniformly Grizzly bar is set, screw thread is distributed on grizzly bar, increases the frictional force between corn ear and threshing screen (4), has gap between grizzly bar, Can leak down niblet.
CN201920215061.8U 2019-02-19 2019-02-19 A kind of corn threshing device Expired - Fee Related CN209676906U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920215061.8U CN209676906U (en) 2019-02-19 2019-02-19 A kind of corn threshing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920215061.8U CN209676906U (en) 2019-02-19 2019-02-19 A kind of corn threshing device

Publications (1)

Publication Number Publication Date
CN209676906U true CN209676906U (en) 2019-11-26

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Family Applications (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109618676A (en) * 2019-02-19 2019-04-16 中国农业大学 A kind of corn threshing device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109618676A (en) * 2019-02-19 2019-04-16 中国农业大学 A kind of corn threshing device

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20191126

CF01 Termination of patent right due to non-payment of annual fee