CN106818071A - Spike-tooth rasp bar combined cone type drum thresher - Google Patents
Spike-tooth rasp bar combined cone type drum thresher Download PDFInfo
- Publication number
- CN106818071A CN106818071A CN201710208907.0A CN201710208907A CN106818071A CN 106818071 A CN106818071 A CN 106818071A CN 201710208907 A CN201710208907 A CN 201710208907A CN 106818071 A CN106818071 A CN 106818071A
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- China
- Prior art keywords
- threshing cylinder
- threshing
- power transmission
- transmission shaft
- cylinder
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- 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.)
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F12/00—Parts or details of threshing apparatus
- A01F12/18—Threshing devices
- A01F12/22—Threshing cylinders with teeth
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F12/00—Parts or details of threshing apparatus
- A01F12/18—Threshing devices
- A01F12/20—Threshing cylinders with ribs
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F12/00—Parts or details of threshing apparatus
- A01F12/30—Straw separators, i.e. straw walkers, for separating residual grain from the straw
- A01F12/32—Straw separators, i.e. straw walkers, for separating residual grain from the straw with shaker screens or sieves
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F12/00—Parts or details of threshing apparatus
- A01F12/44—Grain cleaners; Grain separators
- A01F12/446—Sieving means
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Threshing Machine Elements (AREA)
Abstract
The present invention is specially a kind of spike-tooth rasp bar combined cone type drum thresher, solves the problems, such as that existing sheller unit has that percentage of damage is high, loss late is high and threshing performance is low need to carry out secondary threshing.Motor, vibratory sieve, bored roll power transmission shaft and blower fan power transmission shaft are provided with frame, column threshing cylinder and taper threshing cylinder and netted sieve plate are provided with bored roll power transmission shaft, threshing raised item is provided with the cylinder of column threshing cylinder, the outer surface of taper threshing cylinder is provided with spike-tooth, taper threshing cylinder right side is provided with feeding bucket, column threshing cylinder left side is provided with centrifugal fan, and support link is provided between vibratory sieve lower surface and frame；Transmission mechanism includes driving wheel, drum drive wheel, blower fan drive and decelerator input drive, and crank and rocker mechanism is provided between decelerator and support link.While the present invention improves threshing performance, loss late and percentage of damage are reduced.
Description
Technical field
The present invention relates to agricultural mechanical field, specially a kind of spike-tooth rasp bar combined cone type drum thresher.
Background technology
At present it is known that crop sheller unit mainly by the principle such as impacting, rubbing, curry, realize grain and grain ear point
Include the sheller units such as axial flow cylinder-type, double drum type, drum type with wire loops from, primary structure pattern, typically by rotation roller and
Fixed lattice-shaped notch board composition, by the big of the entrance and exit gap between regulating rotation speed of drum and roller and notch board
It is small, the need for meeting Different Crop threshing and separating.According to the difference that crop flows to, it is divided into again and cuts the differences such as streaming, axial-flow type
Mode.
Sheller unit is the core work part of millet thresher, largely influence threshing quality, productivity ratio and
Separating cleaning ability etc..Traditional sheller unit, threshing speed is higher, can reach 14-17m/s, fixed railing form notch board grid
Lattice size is larger, it is difficult to adapts to the threshing requirement of the fine grain crops such as millet, broom corn millet of the particle diameter less than 2.5mm, is mainly manifested in：
(1) percentage of damage is high, or even can cause millet " husk rice " phenomenon；(2) loss late is high, because millet seed diameter is smaller, passes
The air-proof condition of system sheller unit is not suitable for the requirement of grain threshing, causes larger threshing to lose；(3) threshing performance is low, due to
The bio-physiological property of millet is special, and millet is strong with the attachment force of paddy code, and the attachment force between paddy code and grain ear is small, therefore paddy
Code is easily separated with grain ear, but millet and paddy code separate it is more difficult, it is necessary to carry out secondary taking off in large quantities during conventional method threshing
Grain, it is difficult to ensure threshing performance.
The content of the invention
The present invention have that percentage of damage is high, loss late is high to solve existing sheller unit and threshing performance it is low need to carry out it is secondary de-
A kind of problem of grain, there is provided spike-tooth rasp bar combined cone type drum thresher.
The present invention adopts the following technical scheme that realization：Spike-tooth rasp bar combined cone type drum thresher, including machine
Frame and transmission mechanism；Motor, vibratory sieve and the bored roll power transmission shaft above vibratory sieve, hollow rolling are provided with frame
Blower fan power transmission shaft is installed with cylinder power transmission shaft, left and right distribution and the column threshing roll being connected with each other are provided with bored roll power transmission shaft
Cylinder and left side with diameter greater than right side diameter taper threshing cylinder, be cased with the outside of column threshing cylinder and taper threshing cylinder with
The netted sieve plate of both gap distributions, column threshing cylinder left side is provided with discharge gate, and the cylinder of column threshing cylinder and sets
Some rasp bars being uniformly arranged as the center of circle with its axis are equipped with, the outer surface of rasp bar is provided with helical form threshing raised item, taper
The outer surface of threshing cylinder is provided with the spike-tooth of some spiral distributions, and taper threshing cylinder right side is provided with and connects with netted sieve plate
Logical feeding bucket, is provided with spiral conveying tube, the blower fan on the left of column threshing cylinder on the bored roll power transmission shaft in feeding bucket
The centrifugal fan above vibratory sieve is provided with power transmission shaft, vibratory sieve is obliquely installed, and vibratory sieve be by left and right successively
The sundries collector of connection, separating screen and conveying sieve plate composition, separating screen downside is provided with seed collector, vibratory sieve
Two support links that both are hinged are provided between lower surface and frame；Transmission mechanism includes what is be connected with motor output shaft
Driving wheel, the drum drive wheel positioned at bored roll power transmission shaft right-hand member, the blower fan drive positioned at blower fan power transmission shaft right-hand member and subtract
Fast device is input into drive, and driving wheel is connected with drum drive wheel and blower fan drive by belt, blower fan drive and decelerator
Input drive is connected by belt, and crank rocker is provided between the output end and Right side support connecting rod upper link point of decelerator
Mechanism.
During work, start motor, drive bored roll power transmission shaft and blower fan drive axis, and then drive decelerator defeated
Enter drive and crank and rocker mechanism motion, realize the vibrations of vibratory sieve；Material enters feeding bucket, in the effect of spiral conveying tube
The gap location that lower material enters between taper threshing cylinder and netted sieve plate, in the presence of spike-tooth and threshing raised item, makes paddy
Sub- seed, grain ear and paddy code division from, seed and debris are fallen on vibratory sieve by netted sieve plate, in vibratory sieve course of conveying,
Acted on by the aspiration of centrifugal fan, the light debris on compass screen surface and clever chaff are sucked and blown out outside machine, it is dry on separating screen
Net seed is collected into seed collector, and heavier debris fall into sundries collector, and stalk long and residual fringe etc. are in threshing course
Progressively conveyed and thus outside discharge machine to discharge gate, overcome existing sheller unit and have that percentage of damage is high, loss late is high and purifies
The low problem that need to carry out secondary threshing of rate.
The gap that column threshing cylinder and taper threshing cylinder are between enclosed construction, and rasp bar and netted sieve plate is
5-15mm, the gap between spike-tooth and netted sieve plate is 10-35mm, and discharge gate outside is provided with radial type baffle plate.
Enclosed construction design winds in order to avoid stalk cereal long on drum shaft, and the power for reducing sheller unit disappears
Consumption；Rasp bar and spike-tooth further increase Threshing with the design of mesh screen sheet separation；The setting of radial type baffle plate, to block
The discharge of material, extends material residence time in sheller unit, improves separating effect.
Centrifugal fan includes spiral case, and blade is provided with spiral case, and the bottom of spiral case is provided with air inlet, a left side for spiral case
Side is provided with air outlet.
Reasonable in design reliability of the present invention, disposable completion millet separates with paddy code, paddy code with grain ear, flops and rubs with the hands
Wipe speed and be less than traditional separating mechanism, prevent the generation of millet " husk rice " and " around plait " phenomenon, and improve threshing performance
While, loss late and percentage of damage are reduced, there is simple structure, easy to operate and low cost.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is the structural representation at column threshing cylinder in Fig. 1；
The structural representation of centrifugal fan in Fig. 3 Fig. 1；
Fig. 4 is the schematic side view of Fig. 3；
Fig. 5 is the structural representation of vibratory sieve in Fig. 1.
In figure：1- frames, 2- motor, 3- vibratory sieves, 4- bored roll power transmission shafts, 5- blower fan power transmission shafts, 6- columns take off
Grain roller, 7- taper threshing cylinders, the netted sieve plates of 8-, 9- discharge gates, 10- rasp bars, 11- threshing raised items, 12- spike-tooths, 13- feeds
Charging basket, 14- spiral conveying tubes, 15- centrifugal fans, 16- sundries collectors, 17- separating screens, 18- conveying sieve plates, 19- seeds
Grain collector, 20- support links, 21- driving wheels, 22- drum drive wheels, 23- blower fan drives, the input transmission of 24- decelerators
Wheel, 25- crank and rocker mechanisms, 26- spiral cases, 27- blades, 28- air inlets, 29- air outlets.
Specific embodiment
Spike-tooth rasp bar combined cone type drum thresher, including frame 1 and transmission mechanism；It is provided with frame 1 electronic
Machine 2, vibratory sieve 3 and the bored roll power transmission shaft 4 positioned at the top of vibratory sieve 3, blower fan power transmission shaft is installed with bored roll power transmission shaft 4
5, be provided with bored roll power transmission shaft 4 left and right distribution and be connected with each other column threshing cylinder 6 and left side with diameter greater than right side
The outside of the taper threshing cylinder 7 of diameter, column threshing cylinder 6 and taper threshing cylinder 7 is cased with the net with both gap distributions
Shape sieve plate 8, the left side of column threshing cylinder 6 be provided with discharge gate 9, and the cylinder of column threshing cylinder 6 be provided with it is some with it
The rasp bar 10 that axis is uniformly arranged for the center of circle, the outer surface of rasp bar 10 is provided with helical form threshing raised item 11, taper threshing roll
The outer surface of cylinder 7 is provided with the spike-tooth 12 of some spiral distributions, and the right side of taper threshing cylinder 7 is provided with and connects with netted sieve plate 8
Logical feeding bucket 13, is provided with spiral conveying tube 14 on the bored roll power transmission shaft 4 in feeding bucket 13, column threshing cylinder 6 is left
The centrifugal fan 15 positioned at the top of vibratory sieve 3 is provided with the blower fan power transmission shaft 5 of side, vibratory sieve 3 is obliquely installed, and vibratory sieve
What 3 sundries collectors 16 being sequentially connected by left and right, separating screen 17 and conveying sieve plate 18 were constituted, the downside of separating screen 17 sets
Seed collector 19 is equipped with, two support links 20 that both are hinged are provided between the lower surface of vibratory sieve 3 and frame 1；Transmission
Mechanism include be connected with the output shaft of motor 2 driving wheel 21, the drum drive wheel 22 positioned at the right-hand member of bored roll power transmission shaft 4,
Drive 24, driving wheel 21 and drum drive wheel 22 are input into positioned at the blower fan drive 23 and decelerator of the right-hand member of blower fan power transmission shaft 5
Connected by belt with blower fan drive 23, blower fan drive 23 is connected with decelerator input drive 24 by belt, is slowed down
Crank and rocker mechanism 25 is provided between the output end and the upper link point of Right side support connecting rod 20 of device.
Column threshing cylinder 6 and taper threshing cylinder 7 are between enclosed construction, and rasp bar 10 and netted sieve plate 8
Gap is 5（9,12,15）Mm, the gap between spike-tooth 12 and netted sieve plate 8 is 10（17,29,35）Mm, the outside of discharge gate 9 sets
It is equipped with radial type baffle plate；Centrifugal fan 15 includes being provided with blade 27 in spiral case 26, spiral case 26, and the bottom of spiral case 26 is set
The left side for having air inlet 28, spiral case 26 is provided with air outlet 29.
In specific implementation process, the physical dimension of discharge gate 9 is 200 × 200 mm, and netted sieve plate 8 is using string diameter 1mm, 3
Purpose steel-wire screen, is fixed on grid type concave plate frame, and it is adjustable relative to the position of roller, and upper and lower adjustable range is 0-
15mm；Bored roll power transmission shaft 4 is supported on frame 1 using the hollow seamless steel pipe of φ 60mm by spherical outside surface self-aligning ball bearing
On, the taper of taper threshing cylinder 7 is 7, and rasp bar 10 is closed with space in spike-tooth 12 with the thin plate of δ 1mm.
Thresing machine transmission system is mainly made up of bis- grades of motors of 7.5KW, Type B V bands, turbine and worm decelerator etc..
The rotating speed of motor 2：；
Column threshing cylinder 6 and the rotating speed of taper threshing cylinder 7：；
The rotating speed of blower fan power transmission shaft 5：；
Decelerator is input into the rotating speed of drive 24：。
The drive shaft speed of crank and rocker mechanism 25：。
In formula,- motor pulley diameter,=100mm；- threshing cylinder pulley diameters,=180mm；- wind
Arbor pulley diameters,=140mm；- reducer input shaft pulley diameters,=60mm。
The length of support link 20 is 220 mm, throw of crankshaft, length of connecting rod is 464 mm.
The condition that emersion object is slided backward on compass screen surface：；
In formula：- acceleration of gravity（）；- throw of crankshaft（m）,=0.025m；- crank angular velocity（rad/s）,=25.3（rad/s）；- material and the angle of friction of steel, take=30°；- vibrating direction angle,=21.2°；- sieve inclines
Angle,=2°。
Result of calculation：
；It can be seen that,
Sieve drive mechanism mechanism parameter and kinematics parameters meet the condition that vibratory sieve uniformly conveys material backward.
The condition that material is thrown from compass screen surface is：；
Result of calculation：,
Also meet the condition that material is thrown simultaneously, conveying capacity is stronger.
Claims (3)
1. a kind of spike-tooth rasp bar combined cone type drum thresher, it is characterised in that：Including frame（1）And transmission mechanism；Machine
Frame（1）On be provided with motor（2）, vibratory sieve（3）With positioned at vibratory sieve（3）The bored roll power transmission shaft of top（4）, hollow rolling
Cylinder power transmission shaft（4）Inside it is installed with blower fan power transmission shaft（5）, bored roll power transmission shaft（4）On be provided with left and right distribution and be connected with each other
Column threshing cylinder（6）Taper threshing cylinder with left side with diameter greater than right side diameter（7）, column threshing cylinder（6）And taper
Threshing cylinder（7）The outside netted sieve plate that is cased with both gap distributions（8）, column threshing cylinder（6）Left side is provided with row
Material mouth（9）, and column threshing cylinder（6）Cylinder on be provided with some rasp bars being uniformly arranged as the center of circle with its axis（10）,
Rasp bar（10）Outer surface be provided with helical form threshing raised item（11）, taper threshing cylinder（7）Outer surface be provided with it is some
The spike-tooth of spiral distribution（12）, taper threshing cylinder（7）Right side is provided with and netted sieve plate（8）The feeding bucket of connection（13）,
Feeding bucket（13）Interior bored roll power transmission shaft（4）On be provided with spiral conveying tube（14）, column threshing cylinder（6）The wind in left side
Machine power transmission shaft（5）On be provided with positioned at vibratory sieve（3）The centrifugal fan of top（15）, vibratory sieve（3）It is obliquely installed, and vibration
Sieve（3）It is the sundries collector being sequentially connected by left and right（16）, separating screen（17）And conveying sieve plate（18）Composition, bolter
Net（17）Downside is provided with seed collector（19）, vibratory sieve（3）Lower surface and frame（1）Between be provided with both are hinged two
Root support link（20）；Transmission mechanism includes and motor（2）The driving wheel of output shaft connection（21）, positioned at bored roll transmission
Axle（4）The drum drive wheel of right-hand member（22）, positioned at blower fan power transmission shaft（5）The blower fan drive of right-hand member（23）It is input into decelerator and is passed
Driving wheel（24）, driving wheel（21）With drum drive wheel（22）With blower fan drive（23）Connected by belt, blower fan drive
（23）Drive is input into decelerator（24）Connected by belt, output end and the Right side support connecting rod of decelerator（20）On be hinged
Crank and rocker mechanism is provided between point（25）.
2. spike-tooth rasp bar combined cone type drum thresher according to claim 1, it is characterised in that：Column threshing roll
Cylinder（6）With taper threshing cylinder（7）It is enclosed construction, and rasp bar（10）With netted sieve plate（8）Between gap be 5-
15mm, spike-tooth（12）With netted sieve plate（8）Between gap be 10-35mm, discharge gate（9）Outside is provided with radial type baffle plate.
3. spike-tooth rasp bar combined cone type drum thresher according to claim 1 and 2, it is characterised in that：It is centrifugal
Blower fan（15）Including spiral case（26）, spiral case（26）Inside it is provided with blade（27）, and spiral case（26）Bottom be provided with air inlet
（28）, spiral case（26）Left side be provided with air outlet（29）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710208907.0A CN106818071A (en) | 2017-03-31 | 2017-03-31 | Spike-tooth rasp bar combined cone type drum thresher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710208907.0A CN106818071A (en) | 2017-03-31 | 2017-03-31 | Spike-tooth rasp bar combined cone type drum thresher |
Publications (1)
| Publication Number | Publication Date |
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| CN106818071A true CN106818071A (en) | 2017-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710208907.0A Withdrawn CN106818071A (en) | 2017-03-31 | 2017-03-31 | Spike-tooth rasp bar combined cone type drum thresher |
Country Status (1)
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113767752A (en) * | 2021-10-09 | 2021-12-10 | 石河子大学 | Corn kernel harvester for intercropping |
| CN115176602A (en) * | 2022-05-20 | 2022-10-14 | 农业农村部南京农业机械化研究所 | Combined low-loss threshing device for edible beans |
| CN117798068A (en) * | 2024-02-29 | 2024-04-02 | 四川建鸿农机制造有限公司 | Bidirectional rotary sorting device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113767752A (en) * | 2021-10-09 | 2021-12-10 | 石河子大学 | Corn kernel harvester for intercropping |
| CN113767752B (en) * | 2021-10-09 | 2024-04-12 | 石河子大学 | Corn kernel harvester for intercropping |
| CN115176602A (en) * | 2022-05-20 | 2022-10-14 | 农业农村部南京农业机械化研究所 | Combined low-loss threshing device for edible beans |
| CN115176602B (en) * | 2022-05-20 | 2023-06-27 | 农业农村部南京农业机械化研究所 | Combined type edible bean low-loss threshing device |
| CN117798068A (en) * | 2024-02-29 | 2024-04-02 | 四川建鸿农机制造有限公司 | Bidirectional rotary sorting device |
| CN117798068B (en) * | 2024-02-29 | 2024-04-26 | 四川建鸿农机制造有限公司 | Bidirectional rotary sorting device |
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Application publication date: 20170613 |