CN110142206B - Air screen mechanism based on grain screening all-in-one machine - Google Patents
Air screen mechanism based on grain screening all-in-one machine Download PDFInfo
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- CN110142206B CN110142206B CN201910361640.8A CN201910361640A CN110142206B CN 110142206 B CN110142206 B CN 110142206B CN 201910361640 A CN201910361640 A CN 201910361640A CN 110142206 B CN110142206 B CN 110142206B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B9/00—Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
Abstract
The invention discloses an air screen mechanism based on a grain screening all-in-one machine, wherein a support ring is fixed on the inner surface of the peripheral side of an outer ring, and the support ring is connected with support columns through connecting strips; the surface of the support ring is movably provided with a worm wheel which is meshed with the worm, and the surface of the worm wheel is provided with a rotating through hole; a supporting plate is fixed on the bottom surface of the bevel gear ring, and an air blower is fixed on the surface of the supporting plate; the surface of the supporting plate is provided with an internal thread hole, and a threaded shaft is movably arranged in the internal thread hole. This application is through setting up the large pore screen cloth at the feed opening, separate big particulate matter and straw, through setting up the tuyere again in the feed opening below, carry out gravity through blowing to the similar but specific gravity difference's of grain granularity impurity granule and select separately, the sieve passes through the action of gravity trigger system, the valve cooperatees with air-blower power switching simultaneously, the air-blower does not open when preventing that the valve from opening, the condition of having avoided granule impurity to leak into in the valve takes place, the air-blower is closed after the valve is closed, the using electricity wisely.
Description
Technical Field
The invention belongs to the technical field of grain screening all-in-one machines, and particularly relates to an air screening mechanism based on a grain screening all-in-one machine.
Background
The characteristic differences of the raw grains and the impurities contained in the raw grains in the aspects of size, density, shape, air resistance and friction impact require different processes and equipment to remove the impurities; the existing grain impurity removal method has the problems of many defects in the using process, poor processing effect, time and labor waste, low safety performance and the like due to the fact that manual feeding is needed. The sieving machine utilizes the relative motion of the bulk material and the sieve surface to make partial particles penetrate through the sieve pores, and divides the materials such as sand, gravel, broken stone and the like into vibrating sieving mechanical equipment with different grades according to the particle size. At present, the power sources of screening machines on the market are all vibration, the mechanical vibration usually causes the premature aging damage of machines, and the mechanical noise generated by the mechanical vibration is extremely large in the using process
Disclosure of Invention
In order to overcome the defects, the invention aims to provide an air sieving mechanism based on a grain sieving all-in-one machine.
The purpose of the invention can be realized by the following technical scheme:
an air screening mechanism based on a grain screening all-in-one machine comprises a screen plate, a blanking valve and an air blower;
the blanking valve comprises an outer ring, supporting columns and a worm, wherein a supporting ring is fixed on the inner surface of the peripheral side of the outer ring, and the supporting ring is connected with the supporting columns through connecting strips;
a worm is movably arranged on the periphery of the outer ring, a first bevel gear is fixed at one end of the worm, and a valve is fixed on the periphery of the worm;
the surface of the support ring is movably provided with a worm wheel, the worm wheel is meshed with the worm, and the surface of the worm wheel is provided with a rotating through hole;
a bevel gear ring is movably mounted on the bottom surface of the outer ring and meshed with the first bevel gear;
a supporting plate is fixed on the bottom surface of the bevel gear ring, and a blower is fixed on the surface of the supporting plate;
the surface of the supporting plate is provided with an internal thread hole, a threaded shaft is movably arranged in the internal thread hole, and the threaded shaft is meshed with the internal thread hole;
and a rotating shaft is vertically fixed on the surface of the sieve plate.
Furthermore, a fan-shaped hollow is arranged between every two adjacent connecting strips.
Furthermore, the valve section is fan-shaped, worm one end movable mounting is in support column week side.
Furthermore, first mounting through holes are uniformly distributed on the periphery of the outer ring along the circumferential direction, and worms are movably mounted in the first mounting through holes.
Furthermore, first mounting through holes are uniformly distributed on the surface of the supporting ring along the circumferential direction, and the rotating through holes are overlapped with the first mounting through holes.
Furthermore, the threaded shaft is fixed on the surface of the storage battery, a switch moving piece is fixed on the end face of the threaded shaft, and a switch fixed piece is fixedly installed on the surface of the air blower.
Furthermore, the switch moving piece is electrically connected with the storage battery through a conducting wire, and after the switch moving piece and the switch fixed piece are closed, the storage battery supplies power for the air blower.
Further, it has five heliciform recesses to rotate the through-hole lateral wall along the circumferencial direction equipartition, and the sieve surface has the axis of rotation along the circumferencial direction equipartition, axis of rotation week side has five heliciform archs along the circumferencial direction equipartition, axis of rotation and rotation through-hole meshing.
The invention has the beneficial effects that:
the application discloses air screen mechanism based on grain screening all-in-one, through set up the macroporous screen cloth at the feed opening, separate big particulate matter and straw, through set up the tuyere again below the feed opening, carry out gravity separation to the similar but specific gravity difference's of grain granularity impurity granule through blowing, not only can get rid of large granule impurity among the screening process, the impurity granule also can further be got rid of to the air-blast simultaneously, the sieve triggers the system through the action of gravity, the valve cooperatees with air-blower power switching simultaneously, the air-blower is not opened when preventing that the valve from opening, the condition emergence of small granule impurity in leaking into the valve has been avoided, the air-blower is closed after the valve is closed, the power saving.
Drawings
The invention is described in further detail below with reference to the figures and specific embodiments.
FIG. 1 is a schematic diagram of the present invention.
Fig. 2 is a partial structural schematic diagram of the present invention.
Fig. 3 is a schematic view of the structure of the blanking valve of the invention.
Fig. 4 is a partial structural schematic diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
An air screening mechanism based on a grain screening all-in-one machine comprises a screening plate 1, a blanking valve 2 and a blower 3, as shown in figure 1;
the blanking valve 2 comprises an outer ring 201, a support column 202 and a worm 401, wherein a support ring 204 is fixed on the inner surface of the peripheral side of the outer ring 201, and the support ring 204 is connected with the support column 202 through a connecting strip 205, as shown in fig. 3;
specifically, a sector hollow is formed between two adjacent connecting strips 205;
a worm 401 is movably mounted on the peripheral side of the outer ring 201, a first bevel gear 402 is fixed at one end of the worm 401, and a valve 203 is fixed on the peripheral side of the worm 401;
specifically, the section of the valve 203 is fan-shaped, and one end of the worm 401 is movably mounted on the periphery of the support column 202;
specifically, first mounting through holes are uniformly distributed on the peripheral side of the outer ring 201 along the circumferential direction, and worms 401 are movably mounted in the first mounting through holes;
a worm wheel 403 is movably mounted on the surface of the support ring 204, the worm wheel 403 is meshed with the worm 401, and a rotation through hole is formed in the surface of the worm wheel 403, as shown in fig. 2 and 4;
specifically, first mounting through holes are uniformly distributed on the surface of the support ring 204 along the circumferential direction, and the rotating through holes are overlapped with the first mounting through holes;
specifically, five spiral grooves are uniformly distributed on the side wall of the rotating through hole along the circumferential direction;
a bevel gear ring 5 is movably mounted on the bottom surface of the outer ring 201, and the bevel gear ring 5 is meshed with the first bevel gear 402;
a supporting plate 501 is fixed on the bottom surface of the bevel gear ring 5, and a blower 3 is fixed on the surface of the supporting plate 501;
an internal threaded hole is formed in the surface of the supporting plate 501, a threaded shaft 6 is movably mounted in the internal threaded hole, and the threaded shaft 6 is meshed with the internal threaded hole;
specifically, the threaded shaft 6 is fixed on the surface of the storage battery, and a switch moving piece is fixed on the end face of the threaded shaft 6 and is electrically connected with the storage battery through a lead;
it should be noted that the lead is fixedly installed in the threaded shaft 6;
specifically, a switch stator is fixedly installed on the surface of the blower 3, and after the switch stator and the switch stator are closed, the storage battery supplies power to the blower;
the impurity particles with similar grain size but different specific gravity are subjected to gravity separation by air blowing;
a rotating shaft 101 is vertically fixed on the surface of the sieve plate 1;
specifically, the sieve plate 1 is circular, and a sieve mesh is fixed on the inner surface of the peripheral side of the sieve plate 1;
the screen is a macroporous screen used for screening large particles and straws;
specifically, axis of rotation 101 has been followed the circumferencial direction equipartition in the surface of sieve 1, axis of rotation 101 week side has five heliciform archs along the circumferencial direction equipartition, axis of rotation 101 and the meshing of rotation through-hole.
One specific implementation of this embodiment includes the following steps:
the materials are conveyed to the sieve plate 1 through the conveyer belt, the sieve plate 1 is driven to press down by the gravity of the materials, and after the materials fall down through the sieve plate 1, large particles and straws still stay on the surface of the sieve plate 1;
after the sieve plate 1 is pressed down, the rotating shaft 101 is meshed with the rotating through hole, the worm 401 is further driven by driving the worm wheel 403 to rotate, and the valve 203 is turned over and the first bevel gear 402 rotates;
the valve 203 is turned over and the sector hollow is exposed;
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.
Claims (6)
1. An air screening mechanism based on a grain screening all-in-one machine is characterized by comprising a screen plate (1), a blanking valve (2) and an air blower (3);
the blanking valve (2) comprises an outer ring (201), supporting columns (202) and a worm (401), wherein a supporting ring (204) is fixed on the inner surface of the peripheral side of the outer ring (201), the supporting ring (204) is connected with the supporting columns (202) through connecting strips (205), and a fan-shaped hollow part is formed between every two adjacent connecting strips (205);
a worm (401) is movably mounted on the peripheral side of the outer ring (201), a first bevel gear (402) is fixed at one end of the worm (401), and a valve (203) is fixed on the peripheral side of the worm (401);
a worm wheel (403) is movably mounted on the surface of the support ring (204), the worm wheel (403) is meshed with the worm (401), and a rotating through hole is formed in the surface of the worm wheel (403);
a bevel gear ring (5) is movably mounted on the bottom surface of the outer ring (201), and the bevel gear ring (5) is meshed with the first bevel gear (402);
a supporting plate (501) is fixed on the bottom surface of the bevel gear ring (5), and a blower (3) is fixed on the surface of the supporting plate (501);
the surface of the supporting plate (501) is provided with an internal threaded hole, a threaded shaft (6) is movably arranged in the internal threaded hole, and the threaded shaft (6) is meshed with the internal threaded hole;
a rotating shaft (101) is vertically fixed on the surface of the sieve plate (1);
rotate the through-hole lateral wall and have five heliciform recesses along the circumferencial direction equipartition, sieve (1) surface has axis of rotation (101) along the circumferencial direction equipartition, axis of rotation (101) week side has five heliciform archs along the circumferencial direction equipartition, axis of rotation (101) and rotation through-hole meshing.
2. The air screening mechanism based on the grain screening all-in-one machine is characterized in that: the cross section of the valve (203) is fan-shaped, and one end of the worm (401) is movably arranged on the peripheral side of the supporting column (202).
3. The air screening mechanism based on the grain screening all-in-one machine is characterized in that: the periphery of the outer ring (201) is evenly distributed with first mounting through holes along the circumferential direction, and worms (401) are movably mounted in the first mounting through holes.
4. The air screening mechanism based on the grain screening all-in-one machine is characterized in that: first mounting through holes are uniformly distributed on the surface of the support ring (204) along the circumferential direction, and the rotating through holes are overlapped with the first mounting through holes.
5. The air screening mechanism based on the grain screening all-in-one machine is characterized in that: the screw shaft (6) is fixed on the surface of the storage battery, a switch moving sheet is fixed on the end face of the screw shaft (6), and a switch fixed sheet is fixedly installed on the surface of the air blower (3).
6. The air screening mechanism based on the grain screening all-in-one machine is characterized in that: the switch moving piece is electrically connected with the storage battery through a conducting wire, and after the switch moving piece and the switch fixed piece are closed, the storage battery supplies power for the air blower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910361640.8A CN110142206B (en) | 2019-04-30 | 2019-04-30 | Air screen mechanism based on grain screening all-in-one machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910361640.8A CN110142206B (en) | 2019-04-30 | 2019-04-30 | Air screen mechanism based on grain screening all-in-one machine |
Publications (2)
| Publication Number | Publication Date |
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| CN110142206A CN110142206A (en) | 2019-08-20 |
| CN110142206B true CN110142206B (en) | 2022-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910361640.8A Active CN110142206B (en) | 2019-04-30 | 2019-04-30 | Air screen mechanism based on grain screening all-in-one machine |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3759380A (en) * | 1970-04-15 | 1973-09-18 | B Mathews | Grain separating mechanism for combines or the like |
| CN207288061U (en) * | 2017-03-31 | 2018-05-01 | 江西信明坊食品发展有限公司 | A kind of agricultural and sideline product red melon seed screening installation |
| CN208162062U (en) * | 2018-01-30 | 2018-11-30 | 龙岩九鼎生物科技有限公司 | A kind of grain screening plant for feed processing |
| CN109107896B (en) * | 2018-08-22 | 2020-04-24 | 安徽森米诺农业科技有限公司 | Working method of wheat impurity removing and drying equipment for agricultural machinery |
| CN210048203U (en) * | 2019-03-01 | 2020-02-11 | 黄山兴伟反光材料有限公司 | Unwinding roller for hot-pressing reflective film production |
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Effective date of registration: 20220325 Address after: No.89 Tonggang Avenue, hi tech Zone, Chizhou City, Anhui Province 247000 Applicant after: Chizhou Xianqi Automation Technology Co.,Ltd. Address before: 237161 Xiaomiao formation, Qingsong village, Shapu Town, Jin'an District, Lu'an City, Anhui Province Applicant before: Lv Yongzhao |
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