CN219745533U

CN219745533U - Seed screening equipment

Info

Publication number: CN219745533U
Application number: CN202321049040.6U
Authority: CN
Inventors: 朱明兰; 张文芃
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-04-27
Filing date: 2023-04-27
Publication date: 2023-09-26
Anticipated expiration: 2033-04-27

Abstract

The utility model discloses seed screening equipment, which belongs to the technical field of seed screening and comprises a storage hopper and a screening box, wherein a screening assembly is arranged in the screening box and comprises a screening plate, the screening plate is connected to one end of the screening box in a penetrating manner, a fan is arranged on the inner side wall of the screening box, a ventilation groove is formed in one end of the screening box corresponding to the fan, two connecting rods are rotatably connected to the inner side wall of the screening box, one end of each connecting rod penetrates through the screening box and is sleeved with a belt pulley, one end of the screening box is provided with a driving motor, one end of the driving motor is connected with one of the connecting rods, a plurality of cams are sleeved outside each connecting rod in an equal-dividing manner, two sides of the screening box are symmetrically connected with a discharging hopper, and one end of the screening box is connected with a collecting box in a penetrating manner. The utility model has the advantages of improving the screening effect on seeds, reducing sundries mixed in the seeds, improving the product quality, simultaneously improving the application range of equipment screening and enhancing the practicability and convenience of the equipment.

Description

Seed screening equipment

Technical Field

The utility model relates to the technical field of seed screening, in particular to seed screening equipment.

Background

Seed screening is one of the methods for cleaning crop seeds, and is used for screening out inclusions (clods, sand grains, different crop seeds, weed seeds, insect gall, palea shells and the like), blighted grains and small grain seeds in the seeds by utilizing seed screens with different mesh sizes and shapes, so that high-quality seeds with large, full and tidy grains are selected and remained, and the quality of the seeds is improved.

The utility model of Chinese patent application number CN202122255604.9 discloses seed screening equipment, which comprises supporting legs, fixed frames, a feed hopper, a baffle plate, a suction fan, connecting rods, screening frames and screening nets, wherein the fixed frames are arranged at the tops of the supporting legs, the feed hopper is arranged at the front ends of the tops of the fixed frames, the baffle plate is arranged at the front ends of the feed hopper, the suction fan is arranged at the bottom of the feed hopper, the screening frames are arranged at two sides of the fixed frames through the connecting rods, and the screening nets are arranged in the tops of the screening frames. The utility model has simple structure, reasonable design and convenient installation and use, the feeding is carried out through the feeding hopper, the feeding speed can be controlled by adjusting the baffle plate, the bottom suction fan can rapidly process dust, large-particle residues are filtered through the screening net and discharged through the side edges, the complete planting is discharged through the discharging hole, and fine-particle residues are discharged through the side edges at the bottom.

The above comparative document has the following problems:

the above-mentioned equipment utilizes the granule size of seed to carry out screening operation through the setting of screening net, but the size of seed has the difference, and the seed after the screening probably mixes the empty shell of size unanimity, therefore the screening effect is general.

Disclosure of Invention

The present utility model is directed to a seed screening apparatus, which solves the above-mentioned problems of the prior art.

The technical scheme of the utility model is as follows: seed screening equipment, including storage hopper and screening case, the inside of screening case is provided with screening subassembly, screening subassembly includes the screening board, screening board through-connection is in the one end of screening case, the fan is installed to the inside wall of screening case, the ventilation slot has been seted up to the one end of screening case correspondence fan, the inside wall of screening case rotates and is connected with two connecting rods, every the one end of connecting rod runs through the screening case to the cover is equipped with the belt pulley, driving motor is installed to the one end of screening case, driving motor's one end is connected with one of them connecting rod, every the outside bisection cover of connecting rod is equipped with a plurality of cams, the bilateral symmetry of screening case is connected with the ejection of compact fill, the one end through-connection of screening case has the collecting box.

Further, the dustproof frame is installed to the inside wall of screening case, dustproof frame sets up the outside of fan.

Further, the inside wall symmetry of screening case is connected with the backup pad, the top of backup pad is connected with a plurality of springs equally divide.

Further, the inner bottom wall of the storage hopper is arranged in an inclined mode, the top end of the screening plate is arranged in a bent mode, and the horizontal position of the top of the screening plate is higher than the horizontal height of the inner wall of the discharge hopper.

Further, the both sides of screening case are connected with the spacing through bolt symmetry, the spacing is the L font, the spacing is laminated mutually with the screening board.

Further, one end of the screening box is provided with an observation window.

The utility model provides seed screening equipment through improvement, and compared with the prior art, the seed screening equipment has the following improvements and advantages:

the method comprises the following steps: according to the utility model, the fan and the screening plate are matched with the arrangement of the cam and the connecting rod, so that seeds are screened from two aspects of weight and size, the screening effect on the seeds is improved by using a multi-stage screening mode, the sundries mixed in the seeds are reduced, and the product quality is improved.

And two,: according to the detachable screen plate, the seeds of different varieties can be conveniently replaced, the application range of the equipment is improved, and the practicability and convenience of the equipment are enhanced.

Drawings

The utility model is further explained below with reference to the drawings and examples:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional elevation view of the present utility model;

fig. 3 is a schematic view of a partial side sectional structure of the present utility model.

Reference numerals illustrate: 1. a storage hopper; 2. a screening box; 3. a screening component; 31. a screening plate; 32. discharging a hopper; 33. a collection box; 34. a dust-proof frame; 35. a blower; 36. a cam; 37. a limiting frame; 38. a support plate; 39. a belt pulley; 310. a driving motor; 311. a connecting rod; 4. and an observation window.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in detail with reference to fig. 1 to 3, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides seed screening equipment through improvement, as shown in figures 1-3, the seed screening equipment comprises a storage hopper 1 and a screening box 2, wherein one end of the screening box 2 is provided with an observation window 4, so that the material falling condition can be conveniently observed by utilizing the observation window 4, the material can be conveniently and timely added into the storage hopper 1, a screening component 3 is arranged in the screening box 2, the screening component 3 comprises a screening plate 31, the screening plate 31 is connected with one end of the screening box 2 in a penetrating way, two sides of the screening box 2 are symmetrically connected with limiting frames 37 through bolts, the limiting frames 37 are L-shaped, the limiting frames 37 are attached to the screening plate 31, the screening plate 31 is limited by the limiting frames 37, the screening plate 31 is prevented from being separated from the screening box 2, the inner side wall of the screening box 2 is symmetrically connected with a supporting plate 38, the top ends of the supporting plate 38 are equally divided into a plurality of springs, thereby utilize backup pad 38 and spring to carry out auxiliary stay to screening board 31 to make things convenient for screening board 31 to vibrate, fan 35 is installed to screening case 2's inside wall, the ventilation groove has been seted up to screening case 2's one end correspondence fan 35, dust-proof frame 34 is installed to screening case 2's inside wall, dust-proof frame 34 sets up in the outside of fan 35, thereby utilize dust-proof frame 34 material and fan 35 to separate, reduce the dust infiltration, extension fan 35's life, screening case 2's inside wall rotation is connected with two connecting rods 311, every connecting rod 311's one end runs through screening case 2, and overlaps and be equipped with belt pulley 39, driving motor 310 is installed to screening case 2's one end, driving motor 310's one end is connected with one of them connecting rod 311, every connecting rod 311's outside is equidistant to overlap and is equipped with a plurality of cams 36, the both sides symmetry of screening case 2 is connected with ejection of compact fill 32, the interior bottom wall of storage hopper 1 is the slope form setting, the top of screening board 31 is the form setting of bending, the horizontal position at screening board 31 top is higher than the horizontal height of ejection of compact fill 32 inner wall to ensure that the material on the screening board 31 can follow ejection of compact fill 32 and break away from equipment, the one end through connection of screening case 2 has collection box 33.

Working principle: the method comprises the steps of throwing materials into a storage hopper 1, selecting screening plates 31 with corresponding mesh numbers according to the size of seeds to be screened, inserting the screening plates 31 into a screening box 2, installing a limiting frame 37 by bolts to prevent the screening plates 31 from separating, starting a fan 35, blowing the materials sliding in the storage hopper 1, gravity screening the seeds by gravity, separating empty and light sundries, falling the seeds on the screening plates 31, starting a driving motor 310 to drive a connecting rod 311 connected with the output end of the driving motor 310 to rotate, enabling the two connecting rods 311 to synchronously rotate by using the transmission effect of a belt pulley 39 and a belt, enabling the connecting rod 311 to drive a cam 36 to rotate, intermittently jacking the screening plates 31, matching with the action of a supporting plate 38 and a spring, vibrating the screening plates 31, enabling the sundries with small particles to pass through the screening plates 31 and fall into a collecting box 33, enabling the materials to fall into the broken top surface of the screening plates 31, separating the materials from a discharging hopper 32, and collecting the seeds by utilizing a box or other containers.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. Seed screening equipment, its characterized in that: including storage hopper (1) and screening case (2), the inside of screening case (2) is provided with screening subassembly (3), screening subassembly (3) are including screening board (31), screening board (31) through-connection is in the one end of screening case (2), fan (35) are installed to the inside wall of screening case (2), ventilation slot has been seted up to the one end of screening case (2) corresponding to fan (35), the inside wall rotation of screening case (2) is connected with two connecting rods (311), every screening case (2) are run through to the one end of connecting rod (311) to the cover is equipped with belt pulley (39), driving motor (310) are installed to the one end of screening case (2), driving motor (310) one end is connected with one of them connecting rod (311), every the outside of connecting rod (311) is divided the cover equally and is equipped with a plurality of cams (36), the bilateral symmetry of screening case (2) is connected with ejection of compact fill (32), the one end through-connection of screening case (2) has collection box (33).

2. A seed screening apparatus according to claim 1, wherein: the dustproof frame (34) is installed to the inside wall of screening case (2), dustproof frame (34) set up in the outside of fan (35).

3. A seed screening apparatus according to claim 1, wherein: the screening box is characterized in that the inner side wall of the screening box (2) is symmetrically connected with a supporting plate (38), and the top end of the supporting plate (38) is equally connected with a plurality of springs.

4. A seed screening apparatus according to claim 1, wherein: the inner bottom wall of the storage hopper (1) is obliquely arranged, the top end of the screening plate (31) is bent, and the horizontal position of the top of the screening plate (31) is higher than the horizontal height of the inner wall of the discharge hopper (32).

5. A seed screening apparatus according to claim 1, wherein: the screening box is characterized in that limiting frames (37) are symmetrically connected to two sides of the screening box (2) through bolts, the limiting frames (37) are L-shaped, and the limiting frames (37) are attached to the screening plates (31).

6. A seed screening apparatus according to claim 1, wherein: one end of the screening box (2) is provided with an observation window (4).