CN220329289U - Seed screening machine for agricultural technology popularization - Google Patents

Abstract

The utility model discloses a seed screening machine for agricultural technology popularization, which comprises a screening machine main body, a feeding frame, a material guiding structure, a mounting frame, a blower, a dust screen, a recycling mechanism, a screening frame, a shaking mechanism, a supporting frame, a seed screening net and a pushing cylinder, wherein a pushing wheel is fixedly connected to the telescopic end of the pushing cylinder, a lower limiting block and an upper limiting block are respectively and fixedly connected to the bottom end and the top end of the other side wall of the pushing cylinder arranged in the screening frame, the top surface of the lower limiting block is of an inclined structure, discharging holes which are mutually communicated are formed in the positions, which are positioned at the top ends of the lower limiting block, of the side wall of the screening machine main body, the discharging holes are formed in one side far away from the pushing cylinder, and the top end of the supporting frame is fixedly connected with a triangular guide block on one side where the pushing cylinder is arranged. Compared with the prior art, the utility model has the advantages that: the seed is convenient to take out and the screening effect is good.

Description

Seed screening machine for agricultural technology popularization

Technical Field

The utility model relates to the technical field of seed screening, in particular to a seed screening machine for agricultural technology popularization.

Background

The seed screening machine is widely applied in agriculture, utilize the seed screening machine to carry out the screening according to the size of seed particle diameter, thereby select high-quality seed, general seed and unqualified seed, utilize the seed screening machine greatly reduced the work load of the farmer, increased the work efficiency of the farmer simultaneously, a seed screening machine screening case is promoted with the agricultural technology and is driven the screening frame of upper and lower both sides and rock, the seed is evenly leaked through the weeping hole, thereby make the cooperation of screening case and two screening frames use, decompose the screening to the seed, simultaneously, make impurity drop to the inner chamber of dust storage frame, thereby accomplish the screening to the seed, the device easy operation, convenient to use, thereby replaced the mode of manual screening, effectually improved screening efficiency. The prior art still has the defects that:

1. in the prior art, although the screening efficiency can be effectively improved, the horizontal screening net is utilized to shake seeds for screening, the whole screening frame and the screening net are required to be taken out together when the screened seeds are taken out in the later stage, the screening frame and the screening net are required to be installed again after the seeds are collected, and the operation is complicated.

2. In the prior art, two-stage screening nets are used for screening seeds, but unqualified seeds with larger particles but hollow interiors exist in the seeds, and the unqualified seeds are difficult to reject in a screening mode by using the screening nets, so that the screening effect of the screening machine on the seeds is poor.

Disclosure of Invention

The utility model aims to overcome the defects and provide the seed screening machine for agricultural technology popularization, which is convenient for taking out seeds and has good screening effect.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows: the utility model provides a seed screening machine for agricultural technology popularization, includes the screening machine main part, the fixed grafting of screening machine main part top surface has the feed frame, the inside guide structure that is provided with of feed frame, the inside lateral wall upper end of screening machine main part is fixed to peg graft and is had the installing frame, the inside principle screening machine main part outside of installing frame one end fixedly connected with air-blower around, the inside one end fixedly connected with dust screen of installing frame inside principle screening machine main part, the screening machine main part is kept away from a lateral wall upper end of installing frame and is provided with recovery mechanism, screening machine main part inside lower extreme is provided with two screening frames that distribute from top to bottom, both ends are provided with the rocking mechanism that cooperates its use, the inside upper end of screening frame is provided with the frame, the front end and the rear end of the supporting frame are rotatably connected with the screening frame through a rotating shaft structure, the seed screening net is fixedly connected in the supporting frame, the pushing cylinder is fixedly connected in the front and the rear of the bottom end of the inner wall of one side of the screening frame, which is close to the recovery mechanism, the pushing wheel is fixedly connected at the telescopic end of the pushing cylinder, the screening frame is inside to set up another lateral wall bottom and the top of pushing away the cylinder and to be connected with down stopper and last stopper respectively, lower stopper top surface is the slope structure, the discharge opening of intercommunication each other has all been seted up to the position that is located lower stopper top on screening frame and the screening machine main part lateral wall, the discharge opening sets up in the one side of keeping away from the pushing away the cylinder, the frame top is located one side fixedly connected with triangle-shaped guide block that sets up the pushing away the cylinder.

As an improvement, the guide structure is including rotating the roller of connecting in the inside upper end of feeding frame, inside both sides wall upper end fixedly connected with cambered surface concave block of feeding frame, the guide board that a plurality of evenly distributed cooperation cambered surface concave block of fixedly connected with used on the roller outer wall, one side that the feeding frame bottom surface is close to the installing frame is the inclined plane structure, the one end fixedly connected with interior guide frame of installing frame is kept away from to the feeding frame bottom surface, the outside front wall fixedly connected with motor of feeding frame, the outer motor rotates the end and is connected with roller front end center department, the outside both ends downside fixedly connected with reinforcing block of feeding frame, reinforcing block bottom and the outside top surface fixed connection of screening machine main part.

As an improvement, retrieve the mechanism including fixed grafting in the recovery frame of screening machine main part lateral wall top slope, fixedly connected with is with retrieving the cover that retrieves the frame intercommunication on the screening machine main part outer wall, it is open structure to retrieve the cover bottom, it has the blocking net to retrieve to fixedly grafting on the lateral wall that the screening machine main part was kept away from to the cover, it is provided with screening machine main part fixedly connected with horizontal extension board to retrieve the cover downside, horizontal extension board top is provided with the ascending cooperation collection box of opening.

As an improvement, rock the mechanism including setting up in the guide frame that the discharge opening was kept away from to the screening frame one side, the inside front end grafting of guide frame has and rocks a piece, rock a piece one end and screening frame fixed connection, rock the inside mounting groove structure of seting up of piece, rock a piece inside both sides and rotate respectively and be connected with gear and the half gear of mutual meshing, the inside fixed grafting of screening machine main part lateral wall has the pinion rack of same gear meshing, rock a piece rear end fixedly connected with reset spring, rock the inside top fixed grafting of piece and have the internal motor of being connected with half gear top center department.

As an improvement, the equal fixedly connected with direction slider in guide frame top and bottom, the guide spout that cooperation direction slider used has all been seted up to guide frame top surface and bottom, one side that guide frame was kept away from to screening frame top and bottom is provided with stable extension board, stable extension board one end and screening machine main part inner wall fixed connection.

Compared with the prior art, the utility model has the advantages that: 1. according to the utility model, the seed screening net is fixedly arranged in the supporting frame, the supporting frame is rotatably connected and arranged in the screening frame, the supporting frame and the seed screening net are supported by the pushing cylinder and the pushing wheel on one side of the bottom end in the screening frame, when seeds are required to be taken out, the supporting of the pushing wheel is released, the seed screening net can be controlled to rotate obliquely, and the screened seeds are directly guided out by matching with the discharging hole, so that the seeds are more convenient to take out.

2. According to the utility model, the mounting frame is arranged above the seed screening net, the blower is arranged in the mounting frame, unqualified seeds with larger volume but lighter hollow weight can be directly blown out by using the arrangement of the blower, meanwhile, in order to better match with the blower, the feeding frame is internally provided with the guide mechanism to limit the seed entering speed, so that the wind screening effect is ensured, and the screening effect of the device on the seeds is further improved.

Drawings

Fig. 1 is a front view in cross section of a seed screening machine for agricultural technology popularization of the present utility model.

Fig. 2 is an external perspective view of a seed sizer for agricultural technology popularization of the present utility model.

FIG. 3 is a top cross-sectional view of a seed sizer for agricultural technology popularization of the present utility model.

As shown in the figure: 1. a sieving machine body; 2. a feed frame; 3. a material guiding structure; 3.1, a roll shaft; 3.2, arc concave blocks; 3.3, guiding plate; 3.4, an inner guide frame; 3.5, an external motor; 3.6, reinforcing blocks; 4. a mounting frame; 5. a blower; 6. a dust screen; 7. a recovery mechanism; 7.1, a recovery frame; 7.2, recovering the cover; 7.3, blocking net; 7.4, a transverse support plate; 7.5, a recovery box; 8. a screening frame; 9. a shaking mechanism; 9.1, a guide frame; 9.2, shaking the supporting blocks; 9.3, gears; 9.4, a half gear; 9.5, toothed plate; 9.6, a return spring; 9.7, an internal motor; 9.8, guiding the slide block; 9.9, guiding sliding grooves; 9.10, stabilizing the support plate; 10. a frame is supported; 11. a seed screening net; 12. pushing cylinder; 13. pushing wheel; 14. a lower limiting block; 15. an upper limiting block; 16. a discharge hole; 17. and a guide block.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

In the embodiment 1, in order to improve the screening effect on seeds and treat unqualified seeds which are full outside but hollow inside, the upper end of one side wall inside the screening machine main body 1 is fixedly inserted and connected with the installation frame 4, and the front side and the rear side of one end inside the screening machine main body 1 inside the installation frame 4 are fixedly connected with the blower 5.

In order to ensure the preliminary screening effect of seeds, the falling rate and the falling amount of the seeds are required to be reduced, and the wind screening effect of the stacked falling seeds is poor due to mutual shielding and the like, so the utility model is characterized in that the top surface of the screening machine main body is fixedly inserted and connected with the feeding frame 2 for convenient feeding, meanwhile, the inside of the feeding frame 2 is provided with the guide structure 3 for guiding the seeds and controlling the falling amount, the front end and the rear end of the roller shaft 31 can be inserted and connected with the inside of the front wall and the rear wall of the feeding frame 2 by utilizing the fixedly connected connecting rod structure to realize the rotating function, a plurality of guide plates 33 which are uniformly distributed are fixedly connected with the roller shaft 31 are used for bearing and guiding the seeds, in order to avoid the problem that the seeds start to roll down in a large amount when rotating to the lower side at the position of the guide plates 33, the inner surface of the cambered surface concave block 32 is an inward concave cambered surface, which can ensure that the guide plate 33 rotates normally under the control of the roller shaft 31, and fills up the gap between the guide plate 33 and the inner side wall of the feeding frame 2, so as to effectively avoid seeds from falling in advance, and in order to control the rotation of the roller shaft 31 more easily, an outer motor 35 is fixedly connected to the outer front wall of the feeding frame 2, the roller shaft 31 is connected through the outer motor 35 to control the rotation of the feeding frame, reinforcing blocks 36 are fixedly connected to the lower ends of the two outer side walls of the feeding frame 2, the bottom ends of the reinforcing blocks 36 are fixedly connected with the top surface of the outer part of the sieving machine main body 1, the stability of the feeding frame 2 is further improved, in order to guide seeds slowly entering the feeding frame 2 to the position of the blower 5, one side of the bottom surface of the feeding frame 2 close to the mounting frame 4 is provided with an inclined surface structure, the seeds are guided by the inclined surface structure, meanwhile, the inner material guiding frame 34 of the facility is fixedly connected to the other side of the inclined plane, seeds are guided to fall by the inner material guiding frame 34, and primary screening is completed by matching with the blower 5.

On the basis of realizing wind screening, the utility model needs to collect the unqualified seeds screened out, the inclined recovery frame 71 is fixedly inserted and arranged at one end of the inner side wall of the screening machine main body 1 far away from the installation frame 4, the unqualified seeds blown out by the guide blower 5 can be accepted by utilizing the recovery frame 71, meanwhile, the recovery cover 72 communicated with the recovery frame 71 is fixedly connected and arranged at one end of the outer wall of the screening machine main body 1, the blown unqualified seeds can be blocked by utilizing the recovery cover 72, the unqualified seeds are prevented from scattering everywhere after being separated from the screening machine main body 1, meanwhile, in order to ensure the normal circulation of wind guided by the blower 5, the blocking net 73 is arranged on the side wall of the recovery cover 72 to ensure the normal circulation of wind and simultaneously complete the function of blocking the unqualified seeds.

In embodiment 2, the utility model also needs to complete the subsequent screening effect on seeds on the basis of embodiment 1, so that two screening frames 8 which are distributed up and down are arranged at the lower end of the inner part of a screening machine main body 1, a supporting frame 10 is arranged inside the screening frames 8, meanwhile, a seed screening net 11 is fixedly connected and arranged inside the supporting frame 10, the supporting frame 10 is used for supporting and fixing the seed screening net 11, the fallen seeds are further screened by utilizing the seed screening net 11, in order to further improve the screening effect of the seed screening net 11 on the seeds, one side of the screening frame 8 is provided with a guide frame 91 fixedly connected with the inner wall of the screening machine main body 1, the front side inside the guide frame 91 is provided with a shaking supporting block 92 fixedly connected with the screening frame 8, and the shaking supporting block 92 can drive the screening frame 8 to realize a shaking function by shaking the inside the guide frame 91 forwards and backwards, in order to realize the front-back shaking effect of the shaking support block 92, the utility model is provided with a mounting groove structure in the shaking support block 92, two sides in the shaking support block 92 are rotationally connected with a gear 93 and a half gear 94 by utilizing a rotating shaft and other structures, the gear 93 and the half gear 94 are mutually meshed, an inner motor 97 is inserted and arranged at the top end in the shaking support block 92 to be connected with the half gear 94, the driving effect of the half gear 94 can be realized, a toothed plate 95 meshed with the gear 93 is fixedly inserted and arranged in the side wall of the screening machine main body 1, the gear 93 can be driven to move backwards on the toothed plate 95 when the inner motor 97 drives the half gear 94 to rotate, when the half gear 94 rotates to the side without the toothed structure and can not control the gear 93 to rotate, a reset spring 96 arranged at the rear end of the shaking support block 92 pushes the shaking support block 92 forwards by virtue of the reaction force of pushing the reset spring, treat that half gear 94 has tooth one end to be in gear 93 meshing again and control rocks supporting shoe 92 backward movement, the circulation is repeated above-mentioned flow can realize rocking supporting shoe 92 and drive the function that screening frame 8 rocked back and forth, in order to guarantee the stability of rocking supporting shoe 92 back and forth movement, set up guide slide 98 in its top fixed connection, set up guide chute 99 cooperation guide slide 98 in guide frame 91 top surface and bottom surface and use, ensure the stability of rocking supporting shoe 92, set up the stability of rocking with screening machine main part 1 inner wall fixed connection in screening frame 8 top and bottom one side stable extension board 910 can guarantee screening frame 8 stability of rocking.

After the screening effect of shaking the seed screening net 11 is improved, in order to more conveniently take out the screened seeds, the utility model fixedly connects and sets up the pushing cylinder 12 around the bottom end of one side wall in the screening frame 8, the pushing cylinder 12 is arranged on one side close to the guide frame 91, the telescopic end of the pushing cylinder 12 is fixedly connected and sets up the pushing wheel 13, the supporting frame 10 and the seed screening net 11 are supported by the pushing wheel 13, when the pushing cylinder 12 contracts and drives the pushing wheel 13 to descend, the supporting frame 10 is influenced by gravity and rotates downwards by means of the rotation connection point, the seed screening net 11 can be changed into an inclined state, the screened seeds roll down directly from the top end of the supporting frame, in order to avoid the downward rotation of the seed screening net 11 beyond the limit, the lower limit block 14 is fixedly connected and set up at the bottom end of one side wall in the screening frame 8, in the normal screening process, the upward rotation of the pushing cylinder 12 is prevented from exceeding the limit, the upper limit block 15 is set up at the top end of the inner side wall of the screening frame 8, the stability in the process is ensured, the seed screening frame 8 and the side wall 1 is positioned at the position of the top end of the lower limit block 16, the top end 16 can be directly rolled down from the top end of the supporting frame 14 by means of the inclined connection point, the inclined structure can be prevented from being discharged from the top end of the discharging net 16, and can be directly matched with the inclined structure when the top is discharged from the top 16.

In the concrete implementation of the utility model, as shown in fig. 1-3, in the concrete use, the outer motor 35 is started to control the roller shaft 31 to drive the guide plates 33 to rotate slowly, seeds are simultaneously fed from the top end openings of the feeding frames 2, the seeds fall between the guide plates 33, the seeds enter the bottom end of the feeding frames 2 after the guide plates 33 rotate downwards to the lowest position, the seeds are guided to flow into the inner guide frames 34 by the inclined structures at the bottom ends of the guide plates to fall downwards, the blower 5 is started to screen the seeds with larger particles but hollow seeds, the screened unqualified seeds flow into the recovery cover 72 by the guide of the recovery frames 71 and fall back into the recovery boxes 75 arranged at the lower side by the gravity of the recovery frames, the recovery boxes 75 can be directly removed for cleaning, the seeds after preliminary screening can be continuously fallen onto the seed screening net 11 at the lower side, the seed at the leading edge can be gathered on the seed screening net 11 by the guide block 17, then the inner motor 97 is started to control the half gear 94 to drive the gear 93 to rotate, the reset spring 96 arranged at the rear side is matched with the front and back shaking effect of the shaking support block 92 and the screening frame 8, the screening effect of the seed is improved, the seed is screened on the lower seed screening net 11 after screening is finished, the screening effect can be adjusted according to the requirement when the seed screening net 11 is specifically used, a recovery component can be additionally arranged at the lowest end in the screening machine main body 1 to help the recovery of the seed dropped at the last stage, after screening is finished, the pushing cylinder 12 is controlled to shrink to drive the pushing wheel 13 to descend, the seed screening net 11 rotates downwards, the generated inclined surface is matched with the self weight of the seed to roll downwards, and finally the seed rolls out from the unloading hole 16, the external connection recycling component can recycle the seeds after screening, and the flow after using the equipment is completed.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims (5)

1. Seed screening machine is used in agricultural technology popularization, including screening machine main part (1), its characterized in that: the utility model discloses a screening machine, including screening machine main part (1), feeding frame (2) are fixedly pegged graft to top surface, feeding frame (2) inside is provided with guide structure (3), inside a lateral wall upper end of screening machine main part (1) is fixedly pegged graft and is had installing frame (4), inside one end fixedly connected with air-blower (5) around the outside one end of screening machine main part (1) of keeping away from screening machine main part (4), inside one end fixedly connected with dust screen (6) of installing frame (4) inside principle screening machine main part (1), a lateral wall upper end that installing frame (4) was kept away from in screening machine main part (1) is provided with recovery mechanism (7), screening machine main part (1) inside lower extreme is provided with two screening frames (8) that distribute from top to bottom, both ends are provided with rocking mechanism (9) that cooperate its use, screening frame (8) inside upper end is provided with branch frame (10), one side that branch frame (10) front and back end are close to recovery mechanism (7) is with between frame (8) through being provided with structure rotation connection, branch frame (10) inside one side fixedly connected with dust screen (7), top end (12) is close to one side of cylinder fixed connection (12), the novel screening machine is characterized in that a lower limiting block (14) and an upper limiting block (15) are fixedly connected to the bottom end and the top end of the other side wall of the pushing cylinder (12) in the screening frame (8), the top surface of the lower limiting block (14) is of an inclined structure, mutually communicated discharging holes (16) are formed in the positions, located at the top ends of the lower limiting block (14), of the side wall of the screening frame (8) and the side wall of the screening machine body (1), the discharging holes (16) are formed in one side away from the pushing cylinder (12), and the top end of the supporting frame (10) is located on one side of the pushing cylinder (12) and fixedly connected with a triangular guide block (17).

2. The agricultural technology popularization seed screening machine according to claim 1, wherein: the utility model provides a screening machine, including feeding frame (2), feed structure (3) is including rotating roller (3.1) of connecting in inside upper end of feeding frame (2), inside both sides wall upper end fixedly connected with cambered surface concave block (3.2) of feeding frame (2), guide board (3.3) that a plurality of evenly distributed cooperation cambered surface concave block (3.2) used of fixedly connected with on roller (3.1) outer wall, one side that feeding frame (2) bottom surface is close to installing frame (4) is inclined plane structure, feeding frame (2) bottom surface is kept away from one end fixedly connected with inner guide frame (3.4) of installing frame (4), outside front wall fixedly connected with external motor (3.5) of feeding frame (2), external motor (3.5) rotate end and roller (3.1) front end center department is connected with, outside both ends downside fixedly connected with reinforcing block (3.6) of feeding frame (3.6) bottom and screening machine main part (1) outside top surface fixedly connected.

3. The agricultural technology popularization seed screening machine according to claim 1, wherein: recovery mechanism (7) are including fixed grafting in recovery frame (7.1) of screening machine main part (1) lateral wall top slope, fixedly connected with on screening machine main part (1) outer wall is with retrieving recovery cover (7.2) of frame (7.1) intercommunication, recovery cover (7.2) bottom is open structure, it has blocking net (7.3) to retrieve fixed grafting on one lateral wall that screening machine main part (1) was kept away from to cover (7.2), recovery cover (7.2) downside is provided with and transversely supports board (7.4) with screening machine main part (1) fixedly connected with, transversely support board (7.4) top is provided with opening upward complex collection box (7.5).

4. The agricultural technology popularization seed screening machine according to claim 1, wherein: the utility model provides a screening machine, including screening frame (8), guide frame (9.1) of unloading hole (16) one side is kept away from to rocking mechanism (9), guide frame (9.1) inside front end is pegged graft and is had rocking prop up piece (9.2), rock prop up piece (9.2) one end and screening frame (8) fixed connection, rock prop up piece (9.2) inside mounting groove structure of having seted up, rock prop up piece (9.2) inside both sides and rotate respectively and be connected with gear (9.3) and half gear (9.4) of mutual meshing, screening machine main part (1) lateral wall inside fixed grafting has pinion rack (9.5) with gear (9.3) meshing, rock prop up piece (9.2) rear end fixedly connected with reset spring (9.6), rock prop up piece (9.2) inside top fixed grafting and have inner motor (9.7) that are connected with half gear (9.4) top center department.

5. The agricultural technology popularization seed screening machine as claimed in claim 4, wherein: guide frame (9.1) top and bottom equal fixedly connected with direction slider (9.8), guide frame (9.1) top surface and bottom surface have all been seted up and have been led guide slide (9.9) that slider (9.8) used in the cooperation, one side that guide frame (9.1) was kept away from to screening frame (8) top and bottom is provided with stable extension board (9.10), stable extension board (9.10) one end and screening machine main part (1) inner wall fixed connection.