CN111871808A

CN111871808A - Grain screening plant for agricultural machinery equipment

Info

Publication number: CN111871808A
Application number: CN202010778685.8A
Authority: CN
Inventors: 李彦平
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-05
Filing date: 2020-08-05
Publication date: 2020-11-03

Abstract

The invention discloses a grain screening device for agricultural machinery equipment, which comprises a main frame, a vibration component, a screening component and a feeding and discharging component, wherein a vibration frame is arranged in the vibration component, the vibration component is positioned above the main frame, a sliding chute is arranged in the middle of the screening component, the screening component is positioned on the inner side of the middle of the vibration component, the screening component comprises a positioning plate, a sliding plate, screening holes, adjusting grooves, sliding blocks, hydraulic rods and a baffle plate, the bottom of the inner side of the sliding chute is provided with the positioning plate, the surface of the upper side of the positioning plate is provided with the sliding plate, the surfaces of the sliding plate and the positioning plate are vertically and uniformly distributed with the screening holes in a penetrating way, the left side and the right side of the sliding plate are provided with the adjusting grooves, the sliding blocks are arranged in the adjusting grooves, the tops of the sliding blocks are connected with the hydraulic, this grain screening plant for agricultural machinery equipment, the user can carry out high efficiency screening to the not equidimension grain of different types.

Description

Grain screening plant for agricultural machinery equipment

Technical Field

The invention relates to the technical field of agricultural production, in particular to a grain screening device for agricultural machinery equipment.

Background

The sieve is as a common screening installation, its leading principle utilizes the sieve mesh above the shale shaker body to get rid of granule impurity, be suitable for and the screening separation to cereal, current sieve relies on manpower or simple mechanical shock basically to realize the screening work of screen cloth to cereal, because cereal is stack from top to bottom in the screen cloth, consequently need wait cereal screening of lower floor when the screening after the completion just can be to the cereal screening of upper strata, efficiency is lower, and receive the great impurity after the screening of lower floor and block, can influence the effect of cereal screening, and a sieve utensil often can only be used for the screening of a cereal or the similar cereal of volume, need to change the sieve utensil to the cereal of the different volumes of different kinds, the operation is comparatively loaded down with trivial details.

Therefore, we provide a grain screening device for agricultural machinery.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a grain screening device for agricultural machinery equipment, which solves the problems that the traditional screening tool provided in the background art is low in efficiency, the screening effect of grains can be influenced due to the blockage of larger impurities after lower-layer screening, one screening tool can be only used for screening grains or grains with similar volumes, the screening tool needs to be replaced for different types of grains with different volumes, and the operation is complicated.

In order to achieve the purpose, the invention is realized by the following technical scheme: a grain screening device for agricultural machinery equipment comprises a main frame, a vibration assembly, a screening assembly and feeding and returning assemblies, wherein a vibration frame is arranged in the vibration assembly, the vibration assembly is positioned above the main frame, a sliding groove is formed in the middle of the screening assembly, the screening assembly is positioned on the inner side of the middle of the vibration assembly, the screening assembly comprises a positioning plate, a sliding plate, screening holes, adjusting grooves, sliding blocks, hydraulic rods and baffle plates, the positioning plate is arranged at the bottom of the inner side of the sliding groove, the sliding plate is arranged on the surface of the upper side of the positioning plate, the screening holes are vertically and uniformly distributed in the surfaces of the sliding plate and the positioning plate, the adjusting grooves are formed in the left side and the right side of the sliding plate, the sliding blocks are arranged in the adjusting grooves, the hydraulic rods are connected to the tops of the sliding blocks, the baffle plates are arranged on the left side, and the feeding and returning assembly is positioned in the middle of the main frame.

Preferably, the positioning plate and the screening hole are of an integrated structure, the sliding plate, the screening hole, the adjusting groove and the baffle are of an integrated structure, the sliding plate is in sliding connection with the sliding groove, and the sliding block is connected with the adjusting groove in an embedded mode.

Preferably, the vibrations subassembly includes bradyseism spring, spacing post, eccentric wheel, transmission shaft, the motor and the locking plate that start shaking, the four corners top and bottom of vibrations frame all is provided with the bradyseism spring, and the both ends of bradyseism spring all are connected with the locking plate, the inside of bradyseism spring is all vertical to be run through and is provided with spacing post, the left and right sides below of vibrations frame all is provided with the motor that starts shaking, and the output of the motor that just starts shaking is connected with the transmission shaft, the eccentric wheel is installed to the tip of transmission shaft.

Preferably, be the welding between bradyseism spring and the locking plate, hug closely for the welding between the locking plate of surface and the vibrations frame about the vibrations frame, and not with vibrations frame about the locking plate of surface laminating and spacing post between be the welding.

Preferably, formula structure as an organic whole between vibrations frame and spout and the locating plate, the bottom of hydraulic stem is connected with the inside rear side top of vibrations frame, and is bolted connection between hydraulic stem and the vibrations frame, constitutes detachable construction.

Preferably, the bottom of the vibration generator is respectively connected with the upper surfaces of the left side and the right side of the main frame, and the vibration generator is connected with the main frame through bolts to form a detachable structure.

Preferably, advance and expect that the subassembly includes blanking hole, dirty tank, air-blower, motor mounting panel, roof, feeder hopper, regulating plate, side slide and control flume, the middle part inboard of main frame is installed and is expected the hopper, and expects the below of hopper and install the blanking hole, the left side in blanking hole is provided with dirty tank, the right-hand middle part in inboard of main frame is provided with the motor mounting panel, and the air-blower is installed to the top of motor mounting panel.

Preferably, the roof is installed on the top of spacing post, and the middle part below of roof installs the feeder hopper, both sides are provided with the control flume around the top of feeder hopper, and the inside of control flume all is provided with the side slide, install the regulating plate between two sets of side slides.

Preferably, be integral type structure between main frame and hopper, blanking hole, waste material groove and the motor mounting panel, be bolted connection between air-blower and the motor mounting panel, constitute detachable construction, be integral type structure between roof and feeder hopper and the control flume, and be the welding between roof and the spacing post, formula structure as an organic whole between side slide and the regulating plate, and be sliding connection between side slide and the control flume.

The invention provides a grain screening device for agricultural machinery equipment, which has the following beneficial effects:

1. this cereal screening plant for agricultural machinery equipment, it is rotatory through the transmission shaft and the eccentric wheel that rely on the start motor operation of shaking in the vibrations subassembly to drive the output for the eccentric wheel uses the transmission shaft to be eccentric motion as the center, and constantly drives the vibrations frame and do vertical ascending and descending motion, can accelerate the cereal motion on the screening subassembly, accelerate the screening process.

2. This cereal screening plant for agricultural machinery equipment all installs the bradyseism spring through both sides about the four corners at vibrations frame, can effectively cushion the quick vibrations that the motor drove the vibrations frame when high-speed operation of shaking for the vibrations frame has certain buffering attitude when being vertical direction up-and-down motion, utilizes the elastic potential energy of bradyseism spring simultaneously, can provide the helping hand for vibrations frame up-and-down motion well, reduces the motor work load that shakes.

3. This cereal screening plant for agricultural machinery equipment through being provided with locating plate and sliding plate, and can be relative motion between sliding plate and the locating plate, can drive the slider through adjusting hydraulic stem length and slide in the adjustment tank inside to relative displacement and screening hole dislocation between the remaining locating plate of control sliding plate change through-hole aperture size, reach the purpose of screening different kind cereal or different volume cereal.

4. This cereal screening plant for agricultural machinery equipment is provided with the control flume through the top at the feeder hopper, and the internally mounted of control flume has side slider and regulating plate, can control regulating plate and side slider and control about the control flume inside level when equipment work material loading to the realization is to the control of input speed and total amount.

5. This kind of cereal screening plant for agricultural machinery equipment is provided with the air-blower through the bottom inboard at the main frame, can finish the suitable corn screening of size and through returning the hopper when falling into the blanking hole perpendicularly at equipment, and the air current that relies on the air-blower to produce blows to the corn that the screening finishes for in the corn that the screening finishes do flat granule or chaff and some other impurity blow in the dirty tank, realize the further letter sorting to cereal.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a left side view of the present invention;

FIG. 3 is a schematic illustration of a screen assembly according to the present invention shown partially disassembled;

FIG. 4 is a schematic view of a partial structural combination of screen assemblies according to the present invention;

FIG. 5 is a schematic view of a part of the structure of the feeding and discharging assembly of the present invention;

FIG. 6 is a schematic view of a part of the structure of the feeding and discharging assembly of the present invention;

FIG. 7 is a schematic view of a multi-component combination structure according to the present invention.

In the figure: 1. a main frame; 2. a vibration assembly; 201. vibrating the frame; 202. a cushioning spring; 203. a limiting column; 204. an eccentric wheel; 205. a drive shaft; 206. a vibration starting motor; 207. a locking plate; 3. a screen assembly; 301. a chute; 302. positioning a plate; 303. a sliding plate; 304. screening holes; 305. an adjustment groove; 306. a slider; 307. a hydraulic lever; 308. a baffle plate; 4. a feeding and returning component; 401. a discharging hopper; 402. a blanking hole; 403. a waste chute; 404. a blower; 405. a motor mounting plate; 406. a top plate; 407. a feed hopper; 408. an adjusting plate; 409. a side slider; 410. and (4) controlling the groove.

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.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 7, the present invention provides a technical solution: a grain screening device for agricultural machinery equipment comprises a main frame 1, a vibration component 2, a screening component 3 and a feeding and discharging component 4, wherein a vibration frame 201 is arranged in the vibration component 2, the vibration component 2 is positioned above the main frame 1, the vibration component 2 comprises a vibration buffering spring 202, a limiting column 203, an eccentric wheel 204, a transmission shaft 205, a vibration starting motor 206 and locking plates 207, vibration buffering springs 202 are arranged above and below four corners of the vibration frame 201, two ends of each vibration buffering spring 202 are connected with the locking plates 207, the limiting column 203 is vertically arranged inside each vibration buffering spring 202 in a penetrating manner, the vibration starting motors 206 are arranged below the left side and the right side of the vibration frame 201, the output end of each vibration starting motor 206 is connected with the transmission shaft 205, the eccentric wheel 204 is arranged at the end part of the transmission shaft 205, the vibration buffering springs 202 and the locking plates 207 are welded, the locking plates 207 tightly attached to the upper surface and the lower surface of the vibration frame 201 are welded, the locking plate 207 which is not attached to the upper surface and the lower surface of the vibration frame 201 is welded with the limiting column 203;

the vibrating frame 201, the chute 301 and the positioning plate 302 are of an integrated structure, the bottom end of a hydraulic rod 307 is connected with the upper part of the rear side of the interior of the vibrating frame 201, the hydraulic rod 307 is connected with the vibrating frame 201 through a bolt to form a detachable structure, the bottom of a vibration starting motor 206 is respectively connected with the upper surfaces of the left side and the right side of the main frame 1, the vibration starting motor 206 is connected with the main frame 1 through a bolt to form a detachable structure, the vibration starting motor 206 in the vibrating component 2 is operated to drive a transmission shaft 205 of an output end and an eccentric wheel 204 to rotate, so that the eccentric wheel 204 performs eccentric motion by taking the transmission shaft 205 as the center and continuously drives the vibrating frame 201 to perform vertical ascending and descending motion, grain motion on the screening component 3 can be accelerated, the screening process is accelerated, and the rapid vibration of the vibrating frame 201 can be effectively buffered when the vibration starting motor 206 operates at high speed through installing the damping springs 202 on the upper and the, the vibration frame 201 has a certain buffer state when moving up and down in the vertical direction, and meanwhile, the elastic potential energy of the vibration buffering spring 202 can well provide assistance for the up and down movement of the vibration frame 201, so that the working load of the vibration starting motor 206 is reduced;

the middle part of the screening component 3 is provided with a chute 301, the screening component 3 is positioned at the inner side of the middle part of the vibration component 2, the screening component 3 comprises a positioning plate 302, a sliding plate 303, screening holes 304, an adjusting groove 305, a sliding block 306, a hydraulic rod 307 and a baffle 308, the positioning plate 302 is arranged at the bottom of the inner side of the chute 301, the sliding plate 303 is arranged on the upper side surface of the positioning plate 302, the screening holes 304 are vertically and uniformly distributed on the surfaces of the sliding plate 303 and the positioning plate 302, the adjusting grooves 305 are arranged on the left side and the right side of the sliding plate 303, the sliding block 306 is arranged inside the adjusting grooves 305, the hydraulic rod 307 is connected to the top of the sliding block 306, the baffle 308 is arranged on the left side of the sliding plate 303, the positioning plate 302 and the screening holes 304 are of an integrated structure, the sliding plate 303, the adjusting grooves 305 and the baffle 308 are of, by arranging the positioning plate 302 and the sliding plate 303, the sliding plate 303 and the positioning plate 302 can move relatively, and the sliding block 306 can be driven to slide in the adjusting groove 305 by adjusting the length of the hydraulic rod 307, so that the relative displacement between the rest positioning plates 302 of the sliding plate 303 and the dislocation of the screening holes 304 are controlled, the aperture size of the through holes is changed, and the purpose of screening different types of grains or grains with different volumes is achieved;

a material returning hopper 401 is arranged below the middle part of the material feeding and returning component 4, the material feeding and returning component 4 is positioned in the middle part of the main frame 1, the material feeding and returning component 4 comprises a blanking hole 402, a waste material groove 403, a blower 404, a motor mounting plate 405, a top plate 406, a feeding hopper 407, an adjusting plate 408, a side slide block 409 and a control groove 410, the material returning hopper 401 is arranged on the inner side of the middle part of the main frame 1, the blanking hole 402 is arranged below the material returning hopper 401, the waste material groove 403 is arranged on the left side of the blanking hole 402, the motor mounting plate 405 is arranged on the right middle part of the inner side of the main frame 1, the blower 404 is arranged above the motor mounting plate 405, the top plate 406 is arranged at the top end of the limiting column 203, the feeding hopper 407 is arranged below the middle part of the top plate 406, the control grooves 410 are arranged on the front and back sides of the top, the main frame 1 is connected with the material returning hopper 401, the blanking hole 402, the waste material groove 403 and the motor mounting plate 405 through an integrated structure, the blower 404 is connected with the motor mounting plate 405 through a bolt to form a detachable structure, the top plate 406 is connected with the feed hopper 407 and the control groove 410 through an integrated structure, the top plate 406 is welded with the limit column 203, the side slider 409 is connected with the adjusting plate 408 through an integrated structure, the side slider 409 is connected with the control groove 410 in a sliding manner, the control groove 410 is arranged at the top of the feed hopper 407, the side slider 409 and the adjusting plate 408 are arranged in the control groove 410, the adjusting plate 408 and the side slider 409 can be controlled to horizontally move left and right in the control groove 410 during the material feeding process of the equipment, so that the control on the feeding speed and the total amount is realized, the blower 404 is arranged on the inner side of the bottom of the main frame 1, when the equipment finishes screening grains with proper size and vertically fall into the blanking hole 402 through, the air flow generated by the blower 404 is blown to the screened grains, so that the shriveled grains or chaffs and other impurities in the screened grains are blown into the waste material tank 403, and further sorting of the grains is realized.

To sum up, when the grain screening device for agricultural machinery equipment is used, firstly, the whole equipment is electrified, then grains to be screened are poured into the feed hopper 407 at the top of the equipment, the adjusting hydraulic rod 307 extends or contracts, so that the sliding blocks 306 at the end parts of the hydraulic rods 307 are driven to move back and forth in the adjusting grooves 305 on the two sides of the sliding plate 303, the sliding plate 303 is driven to move left and right along the sliding groove 301, meanwhile, the screening holes 304 on the sliding plate 303 and the screening holes 304 on the positioning plate 302 are staggered, the aperture of the through holes on the two layers of screening plates changes, when the aperture becomes the required size, the adjustment of the length of the hydraulic rod 307 is stopped, then, the adjusting plate 408 is slowly moved rightwards and the side sliding blocks 409 are driven to move in the control groove 410, so that the grains in the feed hopper 407 gradually fall on the upper surface of the sliding plate 303 in the screening component 3, at the moment, and drives the transmission shaft 205 and the eccentric wheel 204 at the output end to rotate, the eccentric wheel 204 starts to do eccentric motion by taking the transmission shaft 205 as the center and continuously pushes the vibration frame 201 to ascend, when the vibration frame 201 and the screening component 3 inside the vibration frame 201 rise to the maximum, the vibration frame and the screening component 3 restore again by means of the elastic potential energy and the gravity action of the cushioning spring 202, grains on the upper surface of the sliding plate 303 are continuously influenced by vibration in the vertical reciprocating motion of the vibration frame 201 and the screening component 3, grains with proper size fall into the material returning hopper 401 in the material returning component 4 through the screening through holes in the screening component 3, then the grains after primary screening fall into the material falling hole 402 through the material returning hopper 401, at the moment, the air blower 404 starts to operate and generates air flow, blows towards the grains after primary screening and the grains after falling, blows shrivelled grains or chaff and impurities in the waste material tank 403 at the left side of the material falling hole 402, further sorting of the grain is completed.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a grain screening plant for agricultural machinery equipment, includes main frame (1), vibrations subassembly (2), screening subassembly (3) and advance material feeding subassembly (4), its characterized in that: the vibrating component (2) is provided with a vibrating frame (201), the vibrating component (2) is located above the main frame (1), the middle of the screening component (3) is provided with a sliding groove (301), the screening component (3) is located on the inner side of the middle of the vibrating component (2), the screening component (3) comprises a positioning plate (302), a sliding plate (303), screening holes (304), an adjusting groove (305), a sliding block (306), a hydraulic rod (307) and a baffle (308), the bottom of the inner side of the sliding groove (301) is provided with the positioning plate (302), the upper side surface of the positioning plate (302) is provided with the sliding plate (303), the surfaces of the sliding plate (303) and the positioning plate (302) are vertically and uniformly distributed with the screening holes (304) in a penetrating manner, the left side and the right side of the sliding plate (303) are provided with the adjusting grooves (305), the sliding block (306) is arranged, and the top of the sliding block (306) is connected with a hydraulic rod (307), a baffle (308) is installed on the left side of the sliding plate (303), a material returning hopper (401) is installed below the middle of the material feeding and returning component (4), and the material feeding and returning component (4) is located in the middle of the main frame (1).

2. The agricultural machinery equipment grain screening plant of claim 1, wherein: the positioning plate (302) and the screening hole (304) are of an integrated structure, the sliding plate (303), the screening hole (304), the adjusting groove (305) and the baffle (308) are of an integrated structure, the sliding plate (303) is in sliding connection with the sliding groove (301), and the sliding block (306) is in embedded connection with the adjusting groove (305).

3. The agricultural machinery equipment grain screening plant of claim 1, wherein: vibrations subassembly (2) are including bradyseism spring (202), spacing post (203), eccentric wheel (204), transmission shaft (205), start vibrating motor (206) and locking plate (207), all be provided with bradyseism spring (202) about the four corners of vibrations frame (201), and the both ends of bradyseism spring (202) all are connected with locking plate (207), the equal vertical running through in inside of bradyseism spring (202) is provided with spacing post (203), the left and right sides below of vibrations frame (201) all is provided with start vibrating motor (206), and the output of starting vibrating motor (206) is connected with transmission shaft (205), eccentric wheel (204) are installed to the tip of transmission shaft (205).

4. The agricultural machinery equipment grain screening plant of claim 3, wherein: the shock absorption frame is characterized in that the shock absorption spring (202) and the locking plate (207) are welded, the locking plate (207) tightly attached to the upper surface and the lower surface of the shock absorption frame (201) is welded with the shock absorption frame (201), and the locking plate (207) not attached to the upper surface and the lower surface of the shock absorption frame (201) is welded with the limiting column (203).

5. The agricultural machinery equipment grain screening plant of claim 3, wherein: the vibration frame (201) is of an integrated structure with the sliding groove (301) and the positioning plate (302), the bottom end of the hydraulic rod (307) is connected with the upper portion of the rear side of the interior of the vibration frame (201), and the hydraulic rod (307) is connected with the vibration frame (201) through bolts to form a detachable structure.

6. The agricultural machinery equipment grain screening plant of claim 3, wherein: the bottom of the vibration starting motor (206) is respectively connected with the upper surfaces of the left side and the right side of the main frame (1), and the vibration starting motor (206) is connected with the main frame (1) through bolts to form a detachable structure.

7. The agricultural machinery equipment grain screening plant of claim 1, wherein: feeding and returning material subassembly (4) include blanking hole (402), waste material groove) (403), air-blower (404), motor mounting panel (405), roof (406), feeder hopper (407), regulating plate (408), side slider (409) and control box (410), hopper (401) are moved back to the middle part inboard installation of main frame (1), and move back the below of hopper (401) and install blanking hole (402), the left side of blanking hole (402) is provided with waste material groove (403), the right-hand middle part of inboard of main frame (1) is provided with motor mounting panel (405), and air-blower (404) are installed to the top of motor mounting panel (405).

8. The agricultural machinery equipment grain screening plant of claim 7, wherein: roof (406) are installed on the top of spacing post (203), and install feeder hopper (407) in the middle part below of roof (406), both sides are provided with control groove (410) around the top of feeder hopper (407), and the inside of control groove (410) all is provided with side slide (409), install regulating plate (408) between two sets of side slide (409).

9. The agricultural machinery equipment grain screening plant of claim 7, wherein: be integral type structure between main frame (1) and hopper (401), blanking hole (402), waste material groove (403) and motor mounting panel (405), be bolted connection between air-blower (404) and motor mounting panel (405), constitute detachable construction, be integral type structure between roof (406) and feeder hopper (407) and control groove (410), and be the welding between roof (406) and spacing post (203), be integral type structure between side slide (409) and regulating plate (408), and be sliding connection between side slide (409) and control groove (410).