CN103464361B - A kind of combined type maize seed grading machine - Google Patents

A kind of combined type maize seed grading machine Download PDF

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Publication number
CN103464361B
CN103464361B CN201310393519.6A CN201310393519A CN103464361B CN 103464361 B CN103464361 B CN 103464361B CN 201310393519 A CN201310393519 A CN 201310393519A CN 103464361 B CN103464361 B CN 103464361B
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screen
cylinder
screen cloth
subdivision
fixed
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CN201310393519.6A
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CN103464361A (en
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徐丽明
侯兴杰
赵学观
王应彪
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China Agricultural University
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China Agricultural University
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Abstract

The present invention relates to a kind of combined type maize seed grading machine, related to agricultural mechanical field, it is characterized in that: comprise rack unit, rotary screen subdivision, horizontal screen subdivision, tilt adjustment unit, material input-output unit.Rack unit comprises square steel skeleton, front overhead gage, right-hand apron, left side baffle plate, backboard; Rotary screen subdivision comprises one-level cylinder, two stage cylinder, support spoke, sprocket wheel.I and II cylinder is fixed on same axle by supporting spoke, and is connected with motor output shaft by sprocket wheel, chain.I and II cylinder upper punch has oblong aperture, has protruding rib along oblong aperture direction; Horizontal screen subdivision comprises screen frames, vibrating motor, flat-surfaced screen, spring leaf.Screen cloth is fixed on screen frame, and vibrating motor is positioned at after screen frame provides power; Tilt adjustment unit adopts rocking handle type.Screen cloth modularized design, is convenient to change dismounting, material can be divided into 2 ~ 7 grades, improves versatility and utilization rate.

Description

A kind of combined type maize seed grading machine
Technical field
The present invention relates to agricultural machinery technological field, particularly a kind of combined type maize seed grading machine.
Background technology
Corn is the important cereal crops of China.From 2009, corn has become the maximum cereal crops of China's sown area, the total sown areas of corn in 2012 and total output all occupy Three major grain crops first place, and corn occupies leading position in the grain-production of China, and the raising of its output directly affects the safety of China's grain.The corn seeding area of China in 2011 has reached 5.015 hundred million mu, and total output is 3,835 hundred million jin, and mean unit output 382.4 kgs/acre, is only the half of the average per unit area yield of the developed country such as the U.S., France.When cultivated area reduces year by year, the problem improving corn per unit output is severeer.
Precision drilling has become one of key technology of Maize Production entire mechanization, there is saving seed, reduce artificial thinning recruitment, improve the advantages such as crop yield, being the only way which must be passed of agricultural modernization, is also reduce grain-production cost and one of important measures of increasing farmers' income.
The feed mechanism for seed of the existing corn drill of China mostly is mechanical type, aspirated-air type, air-sweeping type etc., but does not all have classification due to corn seed, and shape of the seed, size are uneven, cause the problem such as replay, broadcast leakage, seed mechanical damage during mechanical planting.
The present invention, according to the agronomic technique requirement of maize fine sowing, devises a kind of combined type classifier, corn seed is divided into 2 grades by round flat, then divide 3 grades more by size.This device adopts modularized design, by changing screen cloth, seed can be divided into 2 ~ 7 grades.Meanwhile, this device can also carry out shape, size fractionation to unclassified stores, improves utilization ratio of device and versatility.
By retrieving domestic and international patent document, periodicals and magazines and other documents published (as internet), the present invention has no report at home and abroad, we are also unexposed delivers the article relating to content of the present invention, and the present invention at home and abroad public is unknown.
Summary of the invention
(1) technical problem that will solve
The technical problem to be solved in the present invention is: how to provide combined type maize grader, by round flat grain in seed separately, and is divided into large, medium and small 3 grades respectively.Adopt modularized design, screen cloth is convenient to safeguard and change, and material can be divided into 2 ~ 7 grades.Meanwhile, this device can also carry out shape size graded operation to unclassified stores, improves utilization ratio of device and versatility.
(2) technical scheme
For solving the problems of the technologies described above, the invention provides combined type maize seed grading machine, it comprises: comprise rack unit, rotary screen subdivision, horizontal screen subdivision, tilt adjustment unit, material input-output unit.
Described rack unit comprises: frame (29), surrounding baffle plate (24), forms a semi-enclosed working space thus.
Described rotary screen subdivision comprises: one-level cylinder (5), two stage cylinder (4), drum spindle (18), support spoke (26), cylinder collect upper casing (22), cylinder collection lower casing (23) bearing block (17), sprocket wheel (1), hairbrush (3).The right-hand member of described one-level cylinder (5), the left end of two stage cylinder (4) is bolted on same support spoke (26), and support spoke (26) and drum spindle (18) weld together.The right-hand member of described drum spindle (18) is linked together by pin (2) and sprocket wheel (1); pin connects can play certain overload protective function; the axle head minor sprocket (28) of reducing motor (21) connects sprocket wheel (1) by chain, provides power for rotating.Described hairbrush (3) is fixed in frame, and the cylinder contact of its head and rotation is to reach the effect of block clearing.Cylinder collects upper casing (22) and cylinder collection lower casing (23) is riveted in frame, and one-level cylinder (5) punching has long parallel oblong aperture, has fin along oblong aperture direction.Two stage cylinder (4) has identical structure with the former, and the former is large for oblong aperture Thickness Ratio, is convenient to seed by screen cloth, is divided into flat grain, round shaped grain and especially big round shaped grain by thickness.
Described horizontal screen subdivision, comprises screen frames (9), screen cloth (10), central dividing plate (13), clamping device (14), latch plate (19), pressure pin (27) and vibrating motor (20).Screen frames (9) is welded by angle bar, is divided into three layers, the clamping device (14) of every layer of welding some.Screen cloth (10) adds frame on three limits, is contained in screen frames (9).The centre of two screen clothes has dividing plate (13) to separate respectively, and reinforcement is arranged at bottom, to increase the rigidity of screen cloth (10).Vibrating motor (20) is fixed on screen frames, provides vibration required drive.Above-mentioned screen frames (9) is supported by latch plate (19), and be fixed on pressure pin (27), one end of pressure pin (27) is connected in frame (29) by pin (16), rotatable certain angle, the other end is supported by threaded rod, the angle of adjustable flat-surfaced screen (10).Screen cloth (10) upper punch has circular hole, and the Circularhole diameter of upper strata screen cloth is larger.Seed, under the effect of the factor such as inclination angle, vibration, is divided into large, medium and small three grades from top to bottom.
Described tilt adjustment unit, comprises rocking handle (31), rocking handle fixes (11) and back-up block (30).Establish two tilt adjustment unit in frame (29) left side, rocking handle is fixed (11) is fixed in frame (29), and inner chamber has screw thread.There is screw thread rocking handle (31) lower end, and rotation crank (31) can be fixed (11) and produce relative movement with rocking handle, changes the height on the left of machine, and then changes the inclination angle of cylinder screening.
Described material input-output unit, comprises hopper (6), flow control board (7), guiding gutter (8), especially big grain delivery outlet (25) and plane and sifts out material mouth (12) composition.Material, under the effect of deadweight, enters rotary screen subdivision through guiding gutter (8).Flow control board (7) carries out coarse adjustment by changing openings of sizes to the flow of material.Horizontal screen discharging opening (12) is fixed on screen cloth, can realize modularization and change maintenance.The seed of 7 ranks can be exported by output unit.
Described combined type maize seed grading machine is corn seed grader, also can be used for the classification of unclassified stores.
(3) beneficial effect
Combined type maize seed grading machine of the present invention, has following beneficial effect: adopt reducing motor and vibrating motor is respectively rotary screen subdivision, horizontal screen subdivision provides power, and transmission device is simple, is convenient to replacing; Flat grain, round shaped grain and super large round shaped grain three grades can be divided into by the thickness of corn seed by the rotation of roller unit; Corn seed can be divided into large, medium and small three grades by width by horizontal screen subdivision; By tilt adjustment, material adjustable plate, threaded rod regulates parameter when can change machine operation, to reach best screening effect; Screen cloth adopts modularized design, can change according to the size of material, also can increase by sieving technology requirement or reduce screen cloth quantity, material can be divided into 2 ~ 7 ranks by grader on request, also can be used for the classification of other material, improve versatility and utilization rate.
Accompanying drawing explanation
Fig. 1 is the structural representation after the front view removal baffle plate of integrated model;
Fig. 2 is the structural representation after the top view removal baffle plate of integrated model;
Fig. 3 is the structural representation after the left view removal baffle plate of integrated model;
Fig. 4 is the right view of integrated model;
In figure: 1-sprocket wheel, 2-pin, 3-hairbrush, 4-two stage cylinder, 5-one-level cylinder, 6-hopper, 7-flow control board, 8-guiding gutter, 9-screen frames, 10-screen cloth, 11-rocking handle is fixed 12-horizontal screen discharging opening, 13-dividing plate, 14-clamping device, 15-threaded rod, 16-pin, 17-bearing block, 18-drum spindle 19-latch plate, 20-vibrating motor, 21-reducing motor, 22-cylinder and collected upper casing 23-cylinder collection lower casing 24-surrounding baffle plate 25-especially big grain delivery outlet 26-support spoke 27-pressure pin 28-minor sprocket 29-frame 30-back-up block 31-rocking handle
Detailed description of the invention
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
The present invention is based on following a kind of design: 1, cylinder is divided into two sections, and punching has the oblong aperture of different in width, seed can be divided into flat grain, round shaped grain and especially big grain three grades; 2, cylinder is having fin along oblong aperture direction, is convenient to target seed and passes through sieve aperture; 3, two-layer horizontal screen upper punch has circular hole, circle, flat seed can be divided into large, medium and small three grades according to width simultaneously.4, can be adjusted the inclination angle of cylinder screening by the tilt adjustment unit of rocking handle type, the screen angle of horizontal screen adjusted by threaded rod, and material adjustable plate can have the coarse adjustment effect of any to feeding mass flow; 5, cylinder screen cloth and horizontal screen adopt modularized design, can require to carry out easily changing, remove or increasing according to sieving technology, can divide 2 ~ 7 grades; 6, this device can also be used for the classification of other industry material, improves versatility and utilization rate.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, described combined type maize seed grading machine is mainly used in the classification of corn seed, can be divided into 3 grades according to thickness, and round shaped grain, flat grain are divided into 3 grades respectively by width.It comprises: rack unit, rotary screen subdivision, horizontal screen subdivision, tilt adjustment unit, material input-output unit.
(1) described rack unit comprises: frame 29, surrounding baffle plate 24, forms a semi-enclosed working space thus;
Described frame 29 is skeleton by square steel, and there is the bracing or strutting arrangement of hopper 6 in left side, and there is the fixed mount of hairbrush 3 back upper place, and there is the fixture of reducing motor 21 on right side.
Power transmission, by right side minor sprocket 28, is the sprocket wheel 1 on drum spindle 18 by chain by described reducing motor 21.
(2) described rotary screen subdivision comprises: one-level cylinder 5, two stage cylinder 4, drum spindle 18, support spoke 26, cylinder collect upper casing 22, cylinder collection lower casing 23, bearing block 17, sprocket wheel 1, hairbrush 3.The right-hand member of described one-level cylinder 5, the left end of two stage cylinder 4 is bolted on same support spoke 26, and support spoke 26 and drum spindle 18 weld together.The right-hand member of described drum spindle 18 is linked together by pin 2 and sprocket wheel 1, and pin connects can play certain overload protective function, and the axle head minor sprocket 28 of reducing motor 21 connects sprocket wheel 1 by chain, provides power for rotating.Described hairbrush 3 is fixed in frame, and the cylinder contact of its head and rotation is to reach the effect of block clearing.Cylinder collects upper casing 22 and cylinder collection lower casing 23 is riveted on frame.
Rotary screen net is bolted on spoke and supports on 26, to ensure the shape of screen cloth.Spoke supports 26 and is fixed on drum spindle 18, and so design can ensure that power transmission is on screen cloth, and has certain protective effect to screen cloth.First spoke on the left of cylinder supports 26 and concaves, and is convenient to the feeding of material.
Cylinder collects upper casing 22 and cylinder collection lower casing 23 can be the environment that cylinder screening provides a relative closure, collects seed, is convenient to seed and enters horizontal screen subdivision, and have certain protective effect to machine operator.
One-level cylinder 5 punching has long parallel oblong aperture, has fin along oblong aperture direction.Two stage cylinder 4 has identical structure with the former, and the former is large for oblong aperture Thickness Ratio.Be convenient to target seed by screen cloth, be divided into flat grain, round shaped grain and especially big round shaped grain by thickness.
(3) horizontal screen subdivision, comprises screen frames 9, screen cloth 10, central dividing plate 13, clamping device 14, latch plate 19, pressure pin 27 and vibrating motor 20.Screen frames 9 is welded by angle bar, is divided into three layers, the clamping device 14 of every layer of welding some.Screen cloth 10 adds frame on three limits, is contained in screen frame.The centre of two screen clothes has dividing plate 13 to separate respectively, and reinforcement is arranged at bottom, to increase the rigidity of screen cloth 10.Vibrating motor 20 is fixed on screen frames, provides vibration required drive.Above-mentioned screen frames 9 is supported by latch plate 19, and is fixed on pressure pin 27, and one section of pressure pin is connected in frame by pin 16, rotatable certain angle, and the other end is supported by threaded rod, the angle of adjustable flat-surfaced screen 10.Screen cloth 10 upper punch has circular hole, and the Circularhole diameter of upper strata screen cloth is larger.Seed, under the factor such as inclination angle, vibration, is divided into large, medium and small three grades from top to bottom.
(4) described tilt adjustment unit, comprises rocking handle 31, rocking handle fixes 11 and back-up block 30.On the left of frame 29, establish two tilt adjustment unit, rocking handle is fixed 11 and is fixed on frame 29, and inner chamber has screw thread.Rocking handle 31 lower end has threads turn rocking handle 31 can fix 11 generation relative movements with rocking handle, changes the height on the left of machine, and then changes the inclination angle of cylinder screening.
(5) described material input-output unit, comprise hopper 6, flow control board 7, guiding gutter 8, especially big grain delivery outlet 25 and plane sift out material mouth 12 form.Material, under the effect of deadweight, enters rotary screen subdivision through guiding gutter 8.Flow control board 7 can carry out coarse adjustment to the flow of material.Horizontal screen discharging opening 12 is fixed on screen cloth.Be connected with screen cloth, modularization can be realized and change maintenance.The seed of seven ranks can be exported by output unit.
Combined type maize seed grading machine described in enforcement of the present invention carries out classification mainly for the shape of corn seed, size.
The course of work of entirety of the present invention is as follows: the speed determining reducing motor, by chain drive, by power transmission to cylinder.The rocking handle of adjustment tilt adjustment unit, by the screen angle of threaded rod adjustment plane screening.According to technological requirement and the class requirement of screening, screen cloth is changed or reduces, 2 ~ 7 grades can be divided into.Open reducing motor and vibrating motor.Material is put into hopper, and adjustment material adjustable plate, material relies on self gravitation to enter rotary screen subdivision through deflector.Seed after classification is discharged respectively by corresponding discharging opening.
The present invention, by changing screen cloth, also can be used for the classification of unclassified stores, improves versatility and the utilization rate of machine.
Above embodiment is only for illustration of the present invention; and be not limitation of the present invention; the those of ordinary skill of relevant technical field; without departing from the spirit and scope of the present invention; can also make a variety of changes and modification; therefore all equivalent technical schemes also belong to category of the present invention, and scope of patent protection of the present invention should be defined by the claims.

Claims (5)

1. a combined type maize seed grading machine, is characterized in that, comprising: rack unit, rotary screen subdivision, horizontal screen subdivision, tilt adjustment unit, material input-output unit;
Described rack unit comprises: frame (29), surrounding baffle plate (24), the working space that formation one is closed thus;
Described rotary screen subdivision comprises: one-level cylinder (5), two stage cylinder (4), drum spindle (18), support spoke (26), cylinder collect upper casing (22), cylinder collection lower casing (23) bearing block (17), sprocket wheel (1), hairbrush (3); The right-hand member of described one-level cylinder (5), the left end of two stage cylinder (4) is bolted on same support spoke (26), and support spoke (26) and drum spindle (18) weld together; The right-hand member of described drum spindle (18) is linked together by pin (2) and sprocket wheel (1), pin connects can play certain overload protective function, the axle head minor sprocket (28) of reducing motor (21) connects sprocket wheel (1) by chain, provides power for rotating; Described hairbrush (3) is fixed in frame, and the cylinder contact of its head and rotation is to reach the effect of block clearing; Cylinder collects upper casing (22) and cylinder collection lower casing (23) is riveted on frame, and one-level cylinder (5) punching has long parallel oblong aperture, has fin along oblong aperture direction; Two stage cylinder (4) has identical structure with one-level cylinder (5), and the rectangular control thickness of oblong aperture Thickness Ratio one-level cylinder (5) is large; Be convenient to seed by screen cloth, be divided into flat grain, round shaped grain and especially big round shaped grain by thickness;
Described horizontal screen subdivision, comprises screen frames (9), screen cloth (10), central dividing plate (13), clamping device (14), latch plate (19), pressure pin (27) and vibrating motor (20); Screen frames (9) is welded by angle bar, is divided into three layers, the clamping device (14) of every layer of welding some; Screen cloth (10) adds frame on three limits, is contained in screen frames (9); The centre of two screen clothes has dividing plate (13) to separate respectively, and reinforcement is arranged at bottom, to increase the rigidity of screen cloth (10); Vibrating motor (20) is fixed on screen frames (9), provides vibration required drive; Above-mentioned screen frames (9) is supported by latch plate (19), and be fixed on pressure pin (27), one section of pressure pin (27) is connected in frame by pin (16), rotatable certain angle, the other end is supported by threaded rod, the angle of adjustable flat-surfaced screen (10); Screen cloth (10) upper punch has circular hole, and the Circularhole diameter of upper strata screen cloth is larger; Seed, under the factor effect of inclination angle, vibration, is divided into large, medium and small three grades from top to bottom;
Described tilt adjustment unit, comprises rocking handle (31), rocking handle fixes (11) and back-up block (30); Establish two tilt adjustment unit in frame (29) left side, rocking handle is fixed (11) is fixed in frame (29), and the inner chamber that rocking handle is fixed (11) has screw thread; Rocking handle (31) lower end has threads turn rocking handle (31) can fix (11) with rocking handle to produce relative movement, changes the height on the left of machine, and then changes the inclination angle of cylinder screening;
Described material input-output unit, comprises hopper (6), flow control board (7), guiding gutter (8), especially big grain delivery outlet (25) and plane and sifts out material mouth (12) composition; Material, under the effect of deadweight, enters rotary screen subdivision through guiding gutter (8); Flow control board (7) carries out coarse adjustment by changing openings of sizes to the flow of material; Horizontal screen discharging opening (12) is fixed on screen cloth, can realize modularization and change maintenance.
2. combined type maize seed grading machine as claimed in claim 1, is characterized in that, described one-level cylinder (5), two stage cylinder (4) are fixed on by rectangular compass screen surface and support spoke (26) formation; Screen cloth rushes the parallel oblong aperture in long limit; And between oblong aperture, have fin along elongated hole direction, increase the probability of material by sieve aperture.
3. combined type maize seed grading machine as claimed in claim 1, is characterized in that,
Described horizontal screen subdivision, by modularized design, is convenient to the screen cloth module composition pulled and pushed; Screen cloth (10) upper punch has circular hole.
4. combined type maize seed grading machine as claimed in claim 1, is characterized in that, described horizontal screen subdivision is supported by latch plate (19), reduces oscillation crosswise, in case interfere with left and right side baffle plate.
5. the combined type maize seed grading machine as described in any one of Claims 1-4, is characterized in that, by adjustable inclination, material adjustable plate and threaded rod, can changing parameter during machine operation, to reach best screening effect; Screen cloth adopts modularized design, can change according to the size of material, also can increase by sieving technology requirement or reduce screen cloth quantity; Described combined type maize seed grading machine is corn seed operation, also can be used for the graded operation of other material.
CN201310393519.6A 2013-09-03 2013-09-03 A kind of combined type maize seed grading machine Expired - Fee Related CN103464361B (en)

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CN104084373A (en) * 2014-07-14 2014-10-08 徐新权 Novel building screen
CN105642557A (en) * 2016-03-31 2016-06-08 中国农业大学 Corn seed fine sorting and grading method
CN108838091B (en) * 2018-08-08 2024-05-28 云南省烟草公司玉溪市公司 Automatic stiff aphid picking and selecting machine
CN112934670B (en) * 2021-01-27 2022-07-15 中国石油大学(华东) Automatic rock debris cleaning device provided with multi-aperture scroll type screen
CN112827830B (en) * 2021-02-01 2022-07-12 安徽东方天合生物技术有限责任公司 Rumen bypass product particle fine treatment device
CN113877823A (en) * 2021-11-15 2022-01-04 怀化市康隆中药材开发有限公司 Chinese herbal medicine sieving mechanism

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CN2517511Y (en) * 2002-01-15 2002-10-23 刘惠泉 Combined soy bean crops classification sorter

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CN2517511Y (en) * 2002-01-15 2002-10-23 刘惠泉 Combined soy bean crops classification sorter

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