CN219356968U

CN219356968U - Seed sieving mechanism

Info

Publication number: CN219356968U
Application number: CN202320383959.2U
Authority: CN
Inventors: 胡现清; 陈冲
Original assignee: Sixian Agriculture And Rural Bureau
Current assignee: Sixian Agriculture And Rural Bureau
Priority date: 2023-03-04
Filing date: 2023-03-04
Publication date: 2023-07-18
Anticipated expiration: 2033-03-04

Abstract

The utility model discloses a seed screening device, which belongs to the technical field of screening equipment and comprises a screening box; according to the utility model, through the arrangement of the shell screening component, the seed shells carried in the seeds can be purged in the feeding process, so that the seed shells are screened out from the seeds, in the device, the feeding shells are arranged in a way of being wide at the upper part and narrow at the lower part, so that the seeds can pass through the shell screening component in a small amount, the screening effect of the seed shells is improved, through the arrangement of the vibration screening component, the seeds falling on the first screening frame and the second screening frame can be screened again, the shrunken seeds and smaller impurities can smoothly pass through the sieve holes and fall into the waste discharging frame through the vibration of the first screening frame and the second screening frame, after the screening is finished, a user can lift the heights of the first screening frame and the second screening frame through the driving component, so that the first screening frame and the second screening frame can move to the position of the discharging opening through the whole inclined arrangement, and the seeds in the first screening frame and the second screening frame can be smoothly discharged to the outside through the discharging opening.

Description

Seed sieving mechanism

Technical Field

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

Background

Most critical in grain planting lies in the screening of seed, but most is the screening that dries before current seed screening equipment sieves, chinese patent application number CN202222409590.6 discloses a seed sieving mechanism, the device drives pivot a and puddler a rotatory through servo motor, be favorable to puddler a to carry out abundant stirring to the seed, open or close the blowing door through electric telescopic handle, guaranteed that the seed after the stirring is accomplished falls, blow through the fan, be favorable to blowing out the seed shell in the seed, adsorb through the adsorption screen, be favorable to adsorbing the shell of seed together, carry out combined operation through puddler B and vibrating motor, be favorable to rocking the seed on the screening board, fall down through the aperture on screening board surface with insufficiently full seed, collect through the collecting plate, be favorable to collecting insufficiently full seed.

The above patent also has the following drawbacks during actual use: the device screening process is carried out in a screening box, after the screening is accomplished, need open the chamber door and take out the seed, have the inconvenient problem of unloading, adsorb through adsorbing the filter screen when rejecting the shell that carries in the seed in the device simultaneously, need dismantle it after the use, have the inconvenient problem of clearance, in order to overcome above-mentioned defect, we need to propose a seed sieving mechanism.

Disclosure of Invention

The utility model aims to provide a seed screening device which has the advantage of being convenient for blanking and the advantage of being convenient for cleaning sundries generated after screening so as to solve the problems in the prior art.

In order to achieve the above purpose, the utility model provides a seed screening device, which comprises a screening box, wherein the top of the screening box is communicated with a feeding shell, the feeding shell is arranged in a manner of being wide at the top and narrow at the bottom, an outer shell screening component is arranged in an inner cavity of the screening box, a first screening frame and a second screening frame are sequentially arranged in the inner cavity of the screening box from top to bottom, the first screening frame and the second screening frame are fixedly connected together through a connecting plate, a fixing plate is fixedly arranged on the surface of the connecting plate, a vibration screening component is arranged on the fixing plate, a sliding block is arranged below the fixing plate, a guide component is arranged between the sliding block and the fixing plate, driving screw rods matched with the sliding block are respectively and rotatably connected to four corners of the bottom of the inner cavity of the screening box, the top ends of the driving screw rods penetrate through the screening box and extend to the outer part of the screening box, and a driving component for driving the driving screw rods to rotate is further arranged at the top of the screening box.

Preferably, the housing screen assembly comprises a fan embedded in one side of the screening box, a connecting shell is communicated with the other side of the screening box and the corresponding position of the fan, and a collecting pipe is communicated with one side of the connecting shell.

Preferably, the vibration screening assembly comprises a vibration motor and a compression spring, wherein the bottom end of the compression spring is fixedly connected with the top of the sliding block, the top end of the compression spring is fixedly connected with the bottom of the fixing plate, and the vibration motor is mounted on the top of the fixing plate.

Preferably, the guide assembly comprises a guide rod fixedly mounted at the top of the sliding block, a guide hole matched with the guide rod is formed in the surface of the fixing plate, and the surface of the guide rod is slidably connected with the inner wall of the guide hole.

Preferably, the inner chamber of screening case just is located the below fixed mounting of second screening frame and has the frame that wastes material, the frame that wastes material is the slope setting, the feed opening has all been seted up to one side of screening case just to be located first screening frame, second screening frame and the corresponding department of frame that wastes material, the guiding shell is still installed to the surface of screening case just to be located the corresponding department of feed opening.

Preferably, the driving assembly comprises belt pulleys fixedly mounted at the top end of the driving screw rod, four groups of belt pulleys are connected through belt transmission, a driving motor is arranged above one group of belt pulleys, an output shaft of the driving motor is fixedly connected with the top of the corresponding belt pulley, and the driving motor is fixedly mounted at the top of the screening box through a mounting frame.

Preferably, the surface of the screening box is provided with a mounting groove, and an inner cavity of the mounting groove is fixedly provided with an observation window.

Preferably, the first screening frame and the second screening frame are all inclined, and the opening parts of the first screening frame and the second screening frame are in sliding connection with the inner wall of the screening box, and the sieve pore aperture of the first screening frame is larger than that of the second screening frame.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, through the arrangement of the shell screening component, the seed shells carried in the seeds can be purged in the feeding process, so that the seed shells are screened out from the seeds, in the device, the feeding shells are arranged in a way of being wide at the upper part and narrow at the lower part, so that the seeds can pass through the shell screening component in a small amount to improve the screening effect of the seed shells, through the arrangement of the vibration screening component, the seeds falling on the first screening frame and the second screening frame can be screened again, the shrunken seeds and smaller impurities can smoothly pass through the sieve holes and fall into the waste discharging frame through the vibration of the first screening frame and the second screening frame, after the screening is finished, a user can lift the heights of the first screening frame and the second screening frame through the driving component, so that the seeds can be moved to the position of the blanking opening through the whole inclined arrangement, and the seeds in the device can be smoothly discharged to the outside through the blanking opening;

according to the utility model, the stability of the first screening frame and the second screening frame during vibration screening can be improved through the arrangement of the guide component, the first screening frame and the second screening frame can reciprocate up and down through the cooperation of the compression spring and the vibration motor, so that the seeds in the first screening frame and the second screening frame can vibrate, and a user can conveniently grasp the screening condition of the seeds in the screening box through the arrangement of the observation window.

Drawings

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

FIG. 2 is a schematic view of the structure of the connection shell of the present utility model;

FIG. 3 is a schematic view of the structure of the inside of the screening box of the present utility model;

FIG. 4 is a schematic view of a vibratory screening assembly of the present utility model;

fig. 5 is a schematic structural view of the guide assembly of the present utility model.

In the figure: 1. a screening box; 2. a feeding shell; 3. a first screening frame; 4. a second screening frame; 5. a connecting plate; 6. a fixing plate; 7. a slide block; 8. driving a screw rod; 9. a fan; 10. a connection housing; 11. a collection pipe; 12. a vibration motor; 13. a compression spring; 14. a guide rod; 15. a guide hole; 16. a waste discharging frame; 17. a feed opening; 18. a guide housing; 19. a belt pulley; 20. a belt; 21. a driving motor; 22. a mounting frame; 23. a mounting groove; 24. and an observation window.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described 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.

Referring to fig. 1-5, the utility model provides a seed screening device, which comprises a screening box 1, wherein a mounting groove 23 is formed in the surface of the screening box 1, an observation window 24 is fixedly arranged in an inner cavity of the mounting groove 23, a feeding shell 2 is communicated with the top of the screening box 1, the feeding shell 2 is arranged in a wide upper part and a narrow lower part, a shell screening assembly is arranged in the inner cavity of the screening box 1, the shell screening assembly comprises a fan 9 embedded at one side of the screening box 1, a connecting shell 10 is communicated at the corresponding position of the fan 9 at the other side of the screening box 1, and a collecting pipe 11 is communicated at one side of the connecting shell 10;

through the setting of shell screening subassembly, can sweep the screening to the seed shell that carries in the seed, the user can throw into the inner chamber of screening case 1 with the seed that needs to be screened through material loading shell 2, material loading shell 2 is wide in the upper and lower narrow form setting in this embodiment, can make the seed can slowly enter into the inner chamber of screening case 1 in order to satisfy its demand of sweeping screening seed shell, when screening the seed shell, the fan 9 is opened to the accessible external controller of user, the work of fan 9 can disturb the air in order to blow the seed shell that carries in the seed to coupling shell 10 department, and collect in the strap through collecting pipe 11, still need install a strap that is used for collecting the seed shell on the collecting pipe 11 in this device, can provide installation space for viewing window 24 through the setting of mounting groove 23, the user of can master the process of screening inside seed of screening case 1 through the setting of viewing window 24.

Preferably, a first screening frame 3 and a second screening frame 4 are sequentially arranged in the inner cavity of the screening box 1 from top to bottom, the first screening frame 3 and the second screening frame 4 are obliquely arranged, the opening parts of the first screening frame 3 and the second screening frame 4 are in sliding connection with the inner wall of the screening box 1, the sieve pore diameter of the first screening frame 3 is larger than that of the second screening frame 4, the first screening frame 3 and the second screening frame 4 are fixedly connected together through a connecting plate 5, a fixing plate 6 is fixedly arranged on the surface of the connecting plate 5, a vibration screening assembly is arranged on the fixing plate 6 and comprises a vibration motor 12 and a compression spring 13, the bottom end of the compression spring 13 is fixedly connected with the top of a sliding block 7, the top end of the compression spring 13 is fixedly connected with the bottom of the fixing plate 6, the vibration motor 12 is arranged at the top of the fixing plate 6, and the sliding block 7 is arranged below the fixing plate 6;

through the setting of vibrations screening subassembly, can fall in first screening frame 3 after the seed is through blowing screening, this moment user accessible external controller opens vibrating motor 12, vibrating motor 12's work and compression spring 13 cooperation use can drive first screening frame 3 and the vibrations of second screening frame 4, thereby make the seed can be through first screening frame 3 and the mesh department whereabouts of second screening frame 4, wherein superior intact seed can be caught in first screening frame 3 by the screening, and comparatively flat inferior seed can fall in second screening frame 4, impurity such as dust doped in the seed can fall in the waste discharge frame 16 of second screening frame 4 below, and directly outwards discharge impurity through corresponding feed opening 17.

A guide assembly is arranged between the sliding block 7 and the fixed plate 6, the guide assembly comprises a guide rod 14 fixedly arranged at the top of the sliding block 7, a guide hole 15 matched with the guide rod 14 is formed in the surface of the fixed plate 6, and the surface of the guide rod 14 is in sliding connection with the inner wall of the guide hole 15; through the setting of guide component, can drive the guiding hole 15 on fixed plate 6 surface at the surface slip of guide bar 14 when first screening frame 3 and second screening frame 4 vibrations to promote its stability of vibrations.

It is worth noting that the inner chamber of screening case 1 and be located the below fixed mounting of second screening frame 4 have the waste discharging frame 16, and waste discharging frame 16 is the slope setting, and feed opening 17 has all been seted up to one side of screening case 1 and be located first screening frame 3, second screening frame 4 and waste discharging frame 16 correspondence department, and guide shell 18 is still installed to the surface of screening case 1 and be located the correspondence department of feed opening 17, can play the guide effect to the discharged seed or debris through the setting of guide shell 18 to the user collects it.

Preferably, four corners of the bottom of the inner cavity of the screening box 1 are respectively and rotatably connected with a driving screw rod 8 matched with the sliding block 7, the top end of the driving screw rod 8 penetrates through the screening box 1 and extends to the outside of the screening box 1, the top of the screening box 1 is also provided with a driving assembly for driving the driving screw rod 8 to rotate, the driving assembly comprises belt pulleys 19 fixedly arranged at the top end of the driving screw rod 8, four groups of belt pulleys 19 are in transmission connection through a belt 20, a driving motor 21 is arranged above one group of belt pulleys 19, an output shaft of the driving motor 21 is fixedly connected with the top of the corresponding belt pulley 19, and the driving motor 21 is fixedly arranged at the top of the screening box 1 through a mounting frame 22;

after the seed screening is accomplished, the user accessible external controller opens driving motor 21, driving motor 21's output shaft can drive one of them belt pulley 19 rotation, and be connected through belt 20 transmission between four belt pulleys 19, can drive other three belt pulleys 19 simultaneously and rotate when one of them belt pulley 19 rotates, the rotation of belt pulley 19 can drive the rotation of drive lead screw 8, and then drive first screening frame 3 and second screening frame 4 through slider 7 and remove to feed opening 17 department, the inside seed of first screening frame 3 and second screening frame 4 can be discharged outside through feed opening 17 this moment, thereby realize the purpose of being convenient for the unloading.

It should be noted that, the screening box 1 in this embodiment should also be provided with an access opening for a user to perform maintenance on the structure inside the screening box 1, which is not shown in the drawings of the specification because it is not an improvement of the present application.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Seed sieving mechanism, including screening case (1), its characterized in that: the top intercommunication of screening case (1) has material loading shell (2), material loading shell (2) is wide under narrow setting, the inner chamber of screening case (1) is provided with the shell screening subassembly, the inner chamber top-down of screening case (1) is equipped with first screening frame (3) and second screening frame (4) in proper order, be connected together through connecting plate (5) between first screening frame (3) and second screening frame (4), the fixed surface of connecting plate (5) installs fixed plate (6), install vibrations screening subassembly on fixed plate (6), the below of fixed plate (6) is provided with slider (7), be provided with guide assembly between slider (7) and the fixed plate (6), the four corners of screening case (1) inner chamber bottom all rotate and be connected with drive lead screw (8) with slider (7) looks adaptation, the top of drive lead screw (8) runs through screening case (1) and extends to the outside of screening case (1), the top of screening case (1) still is provided with drive lead screw (8) and drives the drive assembly that is used for rotating.

2. The seed screening apparatus of claim 1, wherein: the shell screening component comprises a fan (9) embedded in one side of the screening box (1), a connecting shell (10) is communicated with the other side of the screening box (1) and the corresponding position of the fan (9), and a collecting pipe (11) is communicated with one side of the connecting shell (10).

3. The seed screening apparatus of claim 1, wherein: the vibration screening assembly comprises a vibration motor (12) and a compression spring (13), wherein the bottom end of the compression spring (13) is fixedly connected with the top of the sliding block (7), the top end of the compression spring (13) is fixedly connected with the bottom of the fixing plate (6), and the vibration motor (12) is mounted on the top of the fixing plate (6).

4. The seed screening apparatus of claim 1, wherein: the guide assembly comprises a guide rod (14) fixedly mounted at the top of the sliding block (7), a guide hole (15) matched with the guide rod (14) is formed in the surface of the fixed plate (6), and the surface of the guide rod (14) is slidably connected with the inner wall of the guide hole (15).

5. The seed screening apparatus of claim 1, wherein: the inner chamber of screening case (1) and be located the below fixed mounting of second screening frame (4) have waste discharging frame (16), waste discharging frame (16) are the slope setting, feed opening (17) have all been seted up in one side of screening case (1) and in first screening frame (3), second screening frame (4) and waste discharging frame (16) corresponding department, guiding shell (18) are still installed on the surface of screening case (1) and in the corresponding department of feed opening (17).

6. The seed screening apparatus of claim 1, wherein: the driving assembly comprises belt pulleys (19) fixedly mounted at the top ends of driving screw rods (8), four groups of belt pulleys (19) are in transmission connection through belts (20), a driving motor (21) is arranged above one group of belt pulleys (19), an output shaft of the driving motor (21) is fixedly connected with the tops of the corresponding belt pulleys (19), and the driving motor (21) is fixedly mounted at the top of the screening box (1) through a mounting frame (22).

7. The seed screening apparatus of claim 1, wherein: the surface of screening case (1) has seted up mounting groove (23), the inner chamber fixed mounting of mounting groove (23) has observation window (24).

8. The seed screening apparatus of claim 1, wherein: the screening box comprises a screening box body and is characterized in that a first screening frame (3) and a second screening frame (4) are obliquely arranged, an opening part of the first screening frame (3) and the second screening frame (4) are in sliding connection with the inner wall of the screening box (1), and the pore diameter of the first screening frame (3) is larger than that of the second screening frame (4).