Novel screening plant that agricultural cereal screening was used
The utility model relates to the technical field of agriculture, specifically to a novel screening plant that agricultural cereal screening was used.
Among the current agricultural technology, can contain impurity such as garrulous straw, clod in the cereal after the sunning and need screening plant to screen out the impurity in the cereal, improve the quality of cereal, present screening plant can realize the screening of impurity, nevertheless screens out the quality that does not thoroughly influence cereal to the straw piece that the quality is lighter or dust etc. screening, and the hierarchical screening of cereal can't be realized to screening plant most simultaneously, and then has reduced the cereal quality.
According to patent document application No. 201821987913.7 a multi-functional cereal sieving mechanism, including base, fan, electric heat piece device, motor, box and intermittent type formula motor, electric heat piece device one end and the hot-blast access connection of sieve barreled, the motor chain drives sieve barreled and rotates, the small powder export has first screen cloth, baffle one end is connected with the box, there is the rapping device under the baffle, the second screen cloth is connected with the bracing piece, second screen cloth box is articulated, sieve barrel device is provided with the sieve barreled hole, sieve barrel device is provided with the big material export, the box has the feed inlet, the box has dust collecting device, intermittent type formula motor and middlings exit linkage have realized drying, screening and collection dirt, but screening structure is complicated, is unfavorable for production. Therefore, there is a need to develop a new type of screening device with simple structure to improve the screening efficiency of the grains.
SUMMERY OF THE UTILITY MODEL
The utility model mainly provides a novel screening plant that agricultural cereal screening was used for solve the technical problem who provides among the above-mentioned background art.
The utility model provides a technical scheme that above-mentioned technical problem adopted does:
a novel screening device for screening agricultural grains comprises a screening box, wherein a first vibrating screen is horizontally and movably mounted on the inner side of the screening box, a first vibrator is mounted at the center of the bottom of the first vibrating screen, an air pump is mounted on one side of the screening box, an air injection plate is mounted at the air outlet end of the air pump through an air guide pipe and is located below the first vibrating screen, a dust collecting pipeline is mounted on one side, opposite to the air injection plate, of the screening box, a second vibrating screen is horizontally mounted below the air injection plate, two ends of the second vibrating screen are movably connected with the inner side wall of the screening box through spherical pairs, connecting plates are mounted at the bottom of the second vibrating screen side by side, a third vibrating screen is movably mounted on the inner sides of the two connecting plates, and a vibrating assembly is arranged on one side of the third vibrating screen, just a plurality of mounting panels are installed near outer border at the top of third vibratory screen, and are a plurality of the top of mounting panel all is embedded to have compression spring, and is a plurality of compression spring's top all with the bottom fixed connection of second vibratory screen.
Further, one side of vibration subassembly is equipped with the vibrating arm, the vibrating arm is kept away from equidistant fixed two solid fixed rings that have cup jointed on the one end outer wall of third vibratory screen, two be equipped with the spout between the solid fixed ring, and two solid fixed ring's bottom is equipped with the disc, the disc with the spout cooperatees, one side center department horizontal installation of disc has the connecting rod, the connecting rod is kept away from the one end of disc is run through the screening case extends to its outside and installs driving motor.
Furthermore, a plurality of lugs are arranged on the outer wall of the disc at equal intervals.
Furthermore, a dust collection box is installed at one end, far away from the screening box, of the dust collection pipeline, an air suction pump is installed at the front end of the dust collection box, an air inlet end of the air suction pump is connected with an air suction pipeline, and one end, far away from the air suction pump, of the air suction pipeline penetrates through the dust collection box and extends to the inner side of the dust collection box to be provided with filter cloth.
Further, the bottom of first vibration screen cloth with the defeated swash plate is installed to the symmetry between the top of jet-propelled board, two the connecting piece is all installed to the one end of defeated swash plate, every the connecting piece all with the inside wall fixed connection of screening case, every the axis of rotation is all installed in the outside of connecting piece, and every the connecting piece all passes through every the axis of rotation is with every defeated swash plate links to each other.
Furthermore, every the axis of rotation is kept away from every the one end of defeated material swash plate all runs through the screening case extends to its outside and installs the handle.
Furthermore, a feeding inclined plate is movably mounted on the inner bottom plate of the screening box, and a second vibrator is mounted at the center of the bottom of the feeding inclined plate.
Compared with the prior art, the beneficial effects of the utility model are that:
one of them, the utility model effectively screens off impurities in the grains, realizes the graded screening of the grains, works through the first vibrator, drives the first vibrating screen to vibrate, screens off larger impurities such as straws and soil blocks in the grains through the vibrating screen of the first vibrating screen, then the grains which are primarily screened fall down, opens the air pump, the generated air flow is transmitted to the air spray plate through the air duct, the grains which are falling down are sprayed through the air spray plate, the impurities such as straw scraps and dust with lighter mass are blown to the dust collecting pipeline, the impurities such as straw scraps and dust are screened off, then the grains fall on the second vibrating screen, the vibrating of the second vibrating screen and the third vibrating screen is realized through the vibrating component, the compressing spring continuously jumps up and down under the vibrating action, the vibrating frequency is improved through the continuously jumping compressing spring, the graded screening of the grains is realized through the continuously vibrating second vibrating screen and the third vibrating screen, the screening effect is good;
secondly, the utility model has the function of dust collection, impurities such as straw scraps, dust and the like with lighter weight enter the dust collection box along the air flow through the dust collection pipeline, air is extracted through the work of the air extracting pump, the air in the dust collection box is extracted through the air extracting pipeline, at the moment, the impurities such as the straw scraps, the dust and the like are adsorbed on the filter cloth due to the internal and external pressure difference, when the impurities such as the straw scraps, the dust and the like on the filter cloth reach a certain weight, the impurities fall on the inner bottom plate of the dust collection box under the action of gravity, and the collection of the impurities such as the straw scraps, the;
thirdly, the utility model discloses a time that cereal whereabouts has been prolonged to two defeated material swash plates, has improved the screening effect of impurity such as straw piece and dust, because the connecting piece passes through the axis of rotation and links to each other with defeated material swash plate, consequently can change two distances between the defeated material swash plate through twist grip, and then change the space of cereal whereabouts, the screening of impurity in the cereal of being convenient for.
The present invention will be explained in detail with reference to the drawings and specific embodiments.
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a structural cross-sectional view of the screening box of the present invention;
FIG. 3 is a schematic structural view of the vibration assembly of the present invention;
fig. 4 is a sectional view of the dust box structure of the present invention.
In the figure: 1. screening the box; 11. a feeding inclined plate; 111. a second vibrator; 2. an air pump; 21. an air duct; 22. an air jet plate; 3. a dust collection box; 31. an air pump; 32. an air extraction pipeline; 33. a dust collecting duct; 34. a filter cloth; 4. a first vibratory screen; 41. a first vibrator; 5. a material conveying inclined plate; 51. a connecting member; 52. a rotating shaft; 521. a handle; 6. a second vibratory screen; 7. a third vibratory screen; 71. a connecting plate; 72. mounting a plate; 73. a compression spring; 74. a vibrating assembly; 741. a vibrating rod; 742. a chute; 743. a fixing ring; 744. a disc; 745. a bump; 746. a connecting rod; 747. the motor is driven.
In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Please refer to fig. 1-4 heavily, a novel screening device for agricultural grain screening comprises a screening box 1, a first vibrating screen 4 is horizontally and movably installed on the inner side of the screening box 1, a first vibrator 41 is installed at the center of the bottom of the first vibrating screen 4, an air pump 2 is installed on one side of the screening box 1, an air-jet plate 22 is installed at the air outlet end of the air pump 2 through an air duct 21, the air-jet plate 22 is located below the first vibrating screen 4, a dust collecting pipeline 33 is installed on one side of the screening box 1 opposite to the air-jet plate 22, a second vibrating screen 6 is horizontally installed below the air-jet plate 22, two ends of the second vibrating screen 6 are movably connected with the inner side wall of the screening box 1 through a spherical pair, connecting plates 71 are installed side by side at the bottom of the second vibrating screen 6, and a third vibrating screen 7 is movably installed on the inner sides of the two connecting plates 71, a vibration component 74 is arranged on one side of the third vibrating screen 7, a plurality of mounting plates 72 are mounted on the top of the third vibrating screen 7 close to the outer edge, compression springs 73 are embedded in the tops of the mounting plates 72, the top ends of the compression springs 73 are fixedly connected with the bottom of the second vibrating screen 6, a vibration rod 741 is arranged on one side of the vibration component 74, two fixing rings 743 are fixedly sleeved on the outer wall of one end, far away from the third vibrating screen 7, of the vibration rod 741 at equal intervals, a sliding groove 742 is arranged between the two fixing rings 743, discs 744 are arranged at the bottoms of the two fixing rings 743, the discs 744 are matched with the sliding groove 742, a connecting rod 746 is horizontally mounted at the center of one side of the discs 744, one end, far away from the disc 746, of the disc 744 penetrates through the sieving box 1 and extends to the outer side of the sieving box 1 to be provided with a driving motor 747, a plurality of projections 745 are equidistantly spaced on the outer wall of the disc 744. In this embodiment, first vibratory screen 4, the sieve mesh of second vibratory screen 6 and third vibratory screen 7 reduces in proper order, work through driving motor 747, drive connecting rod 746 rotates, it rotates to drive disc 744 through connecting rod 746, because disc 744 cooperatees with spout 742, a plurality of lugs 745 that set up on the outer wall of disc 744 make the continuous vertical vibration of vibration pole 741, the continuous vibration through vibration pole 741 drives the continuous vibration of third vibratory screen 7, and then drive the continuous vibration of second vibratory screen 6, the vibration of second vibratory screen 6 and third vibratory screen 7 has been realized, the vibration frequency is stable.
Please refer to fig. 1 and 4 again, a dust box 3 is installed at one end of the dust collecting pipe 33 far away from the screening box 1, an air suction pump 31 is installed at the front end of the dust box 3, an air inlet end of the air suction pump 31 is connected with an air suction pipe 32, and one end of the air suction pipe 32 far away from the air suction pump 31 penetrates through the dust box 3 and extends to the inner side of the dust box 3 to be installed with a filter cloth 34. In this embodiment, impurity such as straw piece and dust that make the quality lighter through dust collecting pipeline 33 gets into dust collection box 3 along the air current, realize bleeding through aspiration pump 31 work, the air in with dust collection box 3 is taken out through exhaust duct 32, this moment because impurity such as inside and outside pressure difference makes straw piece and dust adsorb on filter cloth 34, when impurity such as straw piece and dust on filter cloth 34 reached certain weight, drop on the infrabasal plate of dust collection box 3 under the effect of gravity, the collection of impurity such as straw piece and dust has been realized.
Please refer to fig. 1-2, inclined feeding plates 5 are symmetrically installed between the bottom of the first vibrating screen 4 and the top of the air jet plate 22, one end of each of the two inclined feeding plates 5 is provided with a connecting member 51, each of the connecting members 51 is fixedly connected with the inner side wall of the screening box 1, the outer side of each of the connecting members 51 is provided with a rotating shaft 52, each of the connecting members 51 is connected with each of the inclined feeding plates 5 through each of the rotating shafts 52, one end of each of the rotating shafts 52, which is far away from each of the inclined feeding plates 5, extends through the screening box 1 to the outer side thereof and is provided with a handle 521, an inner bottom plate of the screening box 1 is movably provided with an inclined feeding plate 11, and the center of the bottom of the inclined feeding plate 11 is provided with a second vibrator 111. In this embodiment, the time of cereal whereabouts has been prolonged through two defeated swash plates 5, the effect of screening of impurity such as straw piece and dust has been improved, because connecting piece 51 links to each other with defeated swash plate 5 through axis of rotation 52, consequently, can change two distances between defeated swash plates 5 through twist grip 521, and then change the space of cereal whereabouts, be convenient for the screening of impurity in the cereal, be convenient for carry out the cereal of screening through pay-off swash plate 11, work through second vibrator 111, drive pay-off swash plate 11 vibrates, prevent that cereal from staying on pay-off swash plate 11 through the pay-off swash plate 11 of vibration.
The utility model discloses a concrete operation as follows:
firstly, the first vibrator 41 works to drive the first vibrating screen 4 to vibrate, the larger straw, soil blocks and other impurities in the grains are screened out through the vibration of the first vibrating screen 4, then the grains which are primarily screened fall through the two material conveying inclined plates 5, the falling time of the grains is prolonged through the two material conveying inclined plates 5, at the moment, the air pump 2 is started, the generated air flow is conveyed to the air injection plate 22 through the air duct 21, the grains which fall are injected through the air injection plate 22, the impurities such as straw scraps, dust and the like with lighter mass are blown to the dust collection pipeline 33, the impurities such as straw scraps, dust and the like are conveyed into the dust collection box 3 through the dust collection pipeline 33 to collect the impurities, then the grains fall on the second vibrating screen 6, the connecting rod 746 is driven to rotate through the operation of the driving motor 747, the disc 744 is driven to rotate through the connecting rod 746, because the disc 744 is matched with the chute 742, the vibrating rod 741 continuously vibrates through a plurality of lugs 745 arranged on, constantly vibrate through vibrting spear 741 and drive third vibratory screen 7 constantly and vibrate, and then drive second vibratory screen 6 constantly and vibrate, under the effect of vibration, continuous jump from top to bottom of compression spring 73 has improved the vibration frequency through the compression spring 73 that constantly beats, and second vibratory screen 6 and third vibratory screen 7 through constantly vibrating carry out the hierarchical screening to cereal, and screening effect is good, and the cereal of screening completion is transported out through the discharge gate.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, if the method and the technical solution of the present invention are adopted, the present invention can be directly applied to other occasions without substantial improvement, and the present invention is within the protection scope of the present invention.