Background technique
Grain refers to various vegetable seeds general names, also known as " cereal " in cooking food, abundant containing nutriment, predominantly
Protein, vitamin, dietary fiber, fat etc..China is large agricultural country, and grain has vital influence.It is received in grain
After obtaining, wherein many impurity can be mixed into, such as handstone, soil block, weeds bits, the purity and quality of grain are influenced, it is unfavorable
In preservation and use.
A kind of bilayer grain screening plant disclosed in China Patent No. CN207981587 U, it is characterised in that: including being used for
Screen the interior screen drum of bigger material, the outer screen drum for screening small sundries and for driving interior screen drum and outer screen drum around its own axis
The driving assembly of single-degree-of-freedom rotation;Outer screen drum and interior screen drum are coaxially disposed, and interior screen drum one end is provided with feed inlet, outer screen drum phase
Grain outlet is provided with to one end of feed inlet, interior screen drum and outer screen drum are tilted gradually downward from feed inlet to grain outlet direction, interior
The screen-aperture of screen drum is greater than the screen-aperture of outer screen drum.
Due to that can be mixed into the small impurity such as dust, grass cuttings in grain, when being screened, these impurity can be flown upward
To aerial, the pollution of working environment is caused, organic impurities therein may lead hair powder dust explosion, screens out and does not enter silo completely
Afterwards, grain fever can be also made to go rotten rotten;After inorganic impurity enters equipment, equipment damage will cause, influence normally to produce and use,
Device in above-mentioned utility model, not can be well solved dust from flying floating the problem of, cause working environment and equipment by
To influence, and then the purity and quality of grain are not can guarantee.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of agri-foodstuffs high-efficiency vibration screening machine.
A kind of agri-foodstuffs high-efficiency vibration disclosed by the utility model screens machine, including screen box main body, support frame and vibration
Motor, the screen box main body fixed setting on the support frame, are provided with the first sieve and the second sieve, institute in the screen box main body
The top that the second sieve is arranged in the first sieve is stated, the first sieve and the second sieve are arranged in parallel, the screen box main body
One end is provided with feed inlet, and the feed inlet is open upwards setting and is connected with screen box main body, and the vibrating motor is provided with
A pair, a pair of vibrating motor are respectively fixedly disposed at the two sides of screen box main body.
Further, in the screen box main body far from feed inlet one end be provided with the first miscellaneous object outlet, material outlet and
Second miscellaneous object outlet, first miscellaneous object outlet are formed by cavity with the first sieve and screen box main body and are connected, the material
Outlet is formed by cavity with the first sieve and the second sieve and is connected, second miscellaneous object outlet and the second sieve and screen box master
Body is formed by cavity and is connected.
Further, the first screen frame and the second screen frame are additionally provided in the screen box main body, the first sieve setting exists
On first screen frame, second sieve is arranged on the second screen frame, and first screen frame and the second screen frame are sliding with screen box main body
Dynamic connection.
Further, damping spring is provided on support frame as described above, one end of damping spring is connected with screen box main body upwards
It connects, the other end of damping spring is connected with support frame downwards, and there are four the damping spring settings, four damping springs
It is separately positioned on the quadrangle of screen box main body.(perpendicular to ground)
Further, be provided with adjustable eccentric block and fixed eccentric block on the vibrating motor, the adjustable eccentric block and
Fixed eccentric block is fixedly connected with the output shaft of vibrating motor, and the both ends of vibrating motor are equipped with adjustable eccentric block and fixed bias
Block.
Further, it is provided with exhaust fan above the screen box main body, the output end of the exhaust fan is towards screen box main body
Setting, the output end of exhaust fan are connected with screen box main body and are flat knife-like, are provided with wind on the output end of the exhaust fan
Machine filter net, the exhaust fan side are provided with pouch, and the pouch is connected with the output end of exhaust fan.
The utility model has the advantages that machine is compact-sized, easy to operate, occupied area is small, passes through the first sieve of setting and second
The Double Selection of sieve, dedusting dust removal rate is obvious, solves the disadvantage that conventional machines have a single function;Sieve can be wanted according to user
Any exchange is asked, it is practical suitable for different material kinds;The exhaust fan of full-closed structure, additional setting can will be raised
Dirt siphons away, and no dust, which overflows, to be dissipated, and avoids the pollution to air, and the damage to machine.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen
Illustrative embodiments and their description please are not constituted an undue limitation on the present application for explaining the application.In the accompanying drawings:
Fig. 1 is the schematic perspective view of the utility model;
Fig. 2 is the side view of the utility model;
Fig. 3 is the fractionation structural representation of the utility model;
Fig. 4 is the structural schematic diagram of the utility model vibrating motor;
Fig. 5 is the structural schematic diagram of the utility model exhaust fan;
Description of symbols: screen box main body 1, feed inlet 1a, the first miscellaneous object outlet 1b, material outlet 1c, the second sundries go out
Mouth 1d, support frame 2, the first sieve 3, the first screen frame 3a, the second sieve 4, the second screen frame 4a, vibrating motor 5, adjustable eccentric block
5a, fixed eccentric block 5b, damping spring 6, exhaust fan 7, blower fan screen net 7a, pouch 7b.
Specific embodiment
Multiple embodiments that the utility model will be disclosed with schema below, as clearly stated, in many practices
Details will be explained in the following description.It should be appreciated, however, that the details in these practices does not apply this with limitation practical new
Type.That is, the details in these practices is non-essential in some embodiments of the utility model.In addition, for letter
For the sake of changing schema, some known usual structures and component will be painted it in the drawings in simply illustrative mode.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and non-specifically
The meaning of order or cis-position is censured, it is also non-to limit the utility model, it is retouched just for the sake of difference with same technique term
The component stated or operation are not understood to indicate or imply its relative importance or implicitly indicate indicated technology
The quantity of feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy
Sign.It in addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
It is enough realize based on, will be understood that the knot of this technical solution when conflicting or cannot achieve when occurs in the combination of technical solution
Conjunction is not present, also not within the protection scope of the requires of the utility model.
Referring to figs. 1 to a kind of agri-foodstuffs high-efficiency vibration screening machine shown in fig. 5, including screen box main body 1,2 and of support frame
Vibrating motor 5, the screen box main body 1 are fixed on support frame 2, and the first sieve 3 and are provided in the screen box main body 1
The top of the second sieve 4 is arranged in two sieves 4, first sieve 3, and the first sieve 3 and the second sieve 4 are arranged in parallel,
One end of the screen box main body 1 is provided with feed inlet 1a, and the feed inlet 1a is open upwards setting and is connected with screen box main body 1
Logical, the vibrating motor 5 is provided with a pair, and a pair of vibrating motor 5 is respectively fixedly disposed at the two sides of screen box main body 1.This
Machine removes the sundries such as leaf, chaff shell, dust, handstone and the flat grain in grain, screen box master for screening to agri-foodstuffs
Body 1 is formed by the different welded steel plate of several thickness, is had certain strength and stiffness, is the chief component of machine,
Support frame as described above 2 supports screen box main body 1, and perpendicular to ground.Grain is poured into from feed inlet 1a, grain falls into the first sieve
On net 3, vibrating motor 5 starts, and when synchronizing, reversely rotating when two vibrating motors 5 are done, exciting force caused by eccentric block exists
The direction for being parallel to electrical axis is cancelled out each other, and is stacked as a resultant force, therefore the movement rail of screen(ing) machine in the direction perpendicular to motor shaft
Mark is a straight line.Its two vibrating motors, 5 axis has an inclination angle with respect to compass screen surface, under the force action of exciting force and material from gravity,
It is for linear motion forward that material is tossed great-jump-forward on the first sieve 3 and the second sieve 4, screens to reach to material
With the purpose of classification, the sieve pore of first sieve 3 is greater than the sieve pore of the second sieve 4, and grain and lesser impurity can be by the
One sieve 3 falls into the second sieve 4 of lower section, and biggish impurity can stay on the first sieve 3, and then, lesser impurity can pass through
Second sieve 4 falls into lower section, and grain can stay on the second sieve 4, completes automatically screening.
One end in the screen box main body 1 far from feed inlet 1a is provided with the first miscellaneous object outlet 1b, material outlet 1c and the
Two miscellaneous object outlet 1d, the first miscellaneous object outlet 1b are formed by cavity with the first sieve 3 and screen box main body 1 and are connected, described
Material outlet 1c is formed by cavity and is connected with the first sieve 3 and the second sieve 4, the sieve of the second miscellaneous object outlet 1d and second
Net 4 is formed by cavity with screen box main body 1 and is connected.The sundries such as biggish soil block, stone can be from the first miscellaneous object outlet of top
1b be discharged machine, grain can from material outlet 1c be discharged machine, the sundries such as comparatively fine chaff shell, flat grain can from below second
Miscellaneous object outlet 1d is discharged machine, the first miscellaneous object outlet 1b, material outlet 1c and the second miscellaneous object outlet 1d can external sack to going out
Material carries out categorised collection.
The first screen frame 3a and the second screen frame 4a are additionally provided in the screen box main body 1, first sieve 3 is arranged first
On screen frame 3a, second sieve 4 is arranged on the second screen frame 4a, the first screen frame 3a and the second screen frame 4a with screen box master
Body 1 is slidably connected.The first screen frame 3a and the second screen frame 4a are made of pine or the lesser timber of deflection, are mainly used to protect
The smooth of the first sieve 3 and the second sieve 4 is held, normal screening is reached.First screen frame 3a and the second screen frame 4a can be from screen box main body 1
Middle extraction, convenient for cleaning and replacement.
Damping spring 6 is provided on support frame as described above 2, one end of damping spring 6 is connected with screen box main body 1 upwards, subtracts
The other end of shake spring 6 is connected with support frame 2 downwards, and there are four the settings of damping spring 6, four damping springs 6
It is separately positioned on the quadrangle of screen box main body 1.The effect of damping spring 6 is to prevent vibration from being transmitted to ground, while supporting screen box main body 1
Total weight, when installation, damping spring 6 must be perpendicular to ground.
It is provided with adjustable eccentric block 5a and fixed eccentric block 5b, the adjustable eccentric block 5a on the vibrating motor 5 and consolidates
Determine eccentric block 5b to be fixedly connected with the output shaft of vibrating motor 5, the both ends of vibrating motor 5 are equipped with adjustable eccentric block 5a and fixation
Eccentric block 5b.Adjustable eccentric block 5a and fixed eccentric block 5b can be driven to carry out high-speed rotation when the output shaft starting of vibrating motor 5.
Exhaust fan 7 is provided with above the screen box main body 1, the output end of the exhaust fan 7 is arranged towards screen box main body 1,
The output end of exhaust fan 7 is connected with screen box main body 1 and is flat knife-like, is provided with blower on the output end of the exhaust fan 7
Strainer 7a, 7 side of exhaust fan are provided with pouch 7b, and the pouch 7b is connected with the output end of exhaust fan 7.In machine
When device works, mixed blade, dust etc. in grain can will be floated by vibration to the operation of exhaust fan 7, exhaust fan 7 in the air, is controlled
It floats to aerial dust impurities to be drawn into pouch 7b, blower fan screen net 7a plays filtering barrier effect, and the power of exhaust fan 7 can
It adjusts.
Working principle: leaf, chaff shell, dust, handstone of the machine for being screened to agri-foodstuffs, in removing grain
And the sundries such as flat grain, screen box main body 1 are formed by the different welded steel plate of several thickness, are had certain strength and stiffness, are
The chief component of machine, support frame as described above 2 support screen box main body 1, and perpendicular to ground.By grain from feed inlet 1a
It pours into, grain is fallen on the first sieve 3, and vibrating motor 5 starts, when synchronizing, reversely rotating when two vibrating motors 5 are done, partially
Exciting force caused by heart block is cancelled out each other in the direction for being parallel to electrical axis, is stacked as a conjunction in the direction perpendicular to motor shaft
Power, therefore the motion profile of screen(ing) machine is a straight line.Its two vibrating motors, 5 axis has an inclination angle with respect to compass screen surface, in exciting force and material
From under the force action of gravity, it is for linear motion forward that material is tossed great-jump-forward on the first sieve 3 and the second sieve 4, from
And achieve the purpose that screen material and be classified, the sieve pore of first sieve 3 is greater than the sieve pore of the second sieve 4, grain
The second sieve 4 of lower section can be fallen by the first sieve 3 with lesser impurity, biggish impurity can stay on the first sieve 3, with
Afterwards, lesser impurity can fall into lower section by the second sieve 4, and grain can stay on the second sieve 4, complete automation sieve
Choosing.
Machine can be discharged from the first miscellaneous object outlet 1b of top in the sundries such as biggish soil block, stone, and grain can go out from material
Mouthful 1c is discharged machine, the sundries such as comparatively fine chaff shell, flat grain can the second miscellaneous object outlet 1d from below machine is discharged, first is miscellaneous
Object export 1b, material outlet 1c and the second miscellaneous object outlet 1d can external sack categorised collection is carried out to discharging.
The first screen frame 3a and the second screen frame 4a are made of pine or the lesser timber of deflection, are mainly used to holding
One sieve 3 and the second sieve 4 it is smooth, reach normal screening.First screen frame 3a and the second screen frame 4a can take out from screen box main body 1
Out, convenient for cleaning and replacement.
The effect of damping spring 6 is that vibration is prevented to be transmitted to ground, while supporting the total weight of screen box main body 1, when installation,
Damping spring 6 must be perpendicular to ground.Adjustable eccentric block 5a and fixed eccentric block can be driven when the output shaft starting of vibrating motor 5
5b carries out high-speed rotation.In machine operation, mixed blade, dust etc. in grain can be by vibrations to aerial, control exhaust fan
7 operation, exhaust fan 7 are drawn into aerial dust impurities are floated in pouch 7b, and blower fan screen net 7a, which plays filtering, to be stopped
Effect, the power adjustable section of exhaust fan 7.
Upper described only the embodiments of the present invention, is not intended to limit the utility model.For this field
For technical staff, various modifications and changes may be made to the present invention.The interior institute of all spirit and principle in the utility model
Any modification, equivalent substitution, improvement and etc. of work should all include within the scope of the claims of the utility model.