CN214600299U

CN214600299U - Seed sieving mechanism is used in agricultural technology popularization

Info

Publication number: CN214600299U
Application number: CN202120428964.1U
Authority: CN
Inventors: 张鲁智; 赵国芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-26
Filing date: 2021-02-26
Publication date: 2021-11-05
Anticipated expiration: 2031-02-26

Abstract

The utility model discloses a seed screening device for agricultural technology popularization, which comprises a screening box, wherein a screening frame is obliquely arranged in the screening box, a screen plate is detachably arranged in the screening frame, a vibration component is fixedly arranged at the bottom of the screening frame, a bin door is hinged at the position of the screening box close to the upper end of the screening frame, a feed channel is communicated with the top of the screening box, a flow regulating component is fixedly arranged in the feed channel, the screening plate is detachably arranged in the screening frame by arranging the screening frame, a vibration component is arranged at the bottom of the screening frame, a proper screen plate is selected according to the diameter of seeds, the expansion spring is compressed by using the gravity of the seeds, the vibration of the screen plate can be realized under the elastic force action of the expansion spring, and the flow of materials in the feed channel is limited by arranging the flow regulating component, greatly improving the seed screening effect.

Description

Seed sieving mechanism is used in agricultural technology popularization

Technical Field

The utility model relates to a seed screening technical field specifically is a seed sieving mechanism is used in agricultural technology popularization.

Background

The seed screening device screens out impurities (mud blocks, sand grains, special crop seeds, weed seeds, galls, husk and the like), blighted grains and small-sized seeds in the seeds by utilizing the seed screens with different screen mesh sizes and shapes, selects and reserves large, full and tidy high-quality seeds, improves the seed quality and is beneficial to improving the crop yield.

At present, the agricultural technology who has now on the market promotes uses seed sieving mechanism mainly includes the screening case, the internally mounted of screening case has the screening board, shake the screening board through vibrating motor and realize the screening to the seed, however, in the in-service use process, because the screen cloth aperture of screening board is fixed and difficult the change, thereby the seed screening of unable different particle diameters of adaptation, and then it is relatively poor to lead to the screening effect, and the input speed of feed inlet is uncontrollable, make the seed pile up, further lead to the seed screening effect relatively poor, for this reason, we propose a seed sieving mechanism for agricultural technology popularization.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a seed sieving mechanism is used in agricultural technology popularization to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a seed sieving mechanism is used in agricultural technology popularization, includes the screening case, the screening frame is installed to the inside slope of screening case, the inside demountable installation of screening frame has the sieve, and the bottom fixed mounting of screening frame has vibrations subassembly, the screening case is close to that screening frame upper end department articulates there is the door, and the screening case is close to screening frame lower extreme department intercommunication and has first discharge gate, the lower extreme middle part intercommunication of screening case has the second discharge gate, the top intercommunication of screening case has feedstock channel, feedstock channel's inside fixed mounting has the flow control subassembly.

Preferably, set up the draw-in groove of matcing each other with the sieve frame on the inside wall of screening frame, and the spacing groove has been seted up to the one end of screening frame, the mounting hole has been seted up with the corresponding position of spacing groove on the sieve, and the one end fixed mounting of sieve has the handle, is convenient for choose for use suitable sieve according to the diameter of seed to seed screening effect has been improved greatly.

Preferably, the vibrations subassembly includes the bracing piece, the bracing piece is provided with four, and four bracing pieces respectively fixed mounting in screening frame bottom four corners position, every the outside of bracing piece is all slided the cover and is equipped with the sleeve, every telescopic inside equal fixed mounting has expanding spring, and every telescopic bottom equal fixed mounting has a fixed block, every expanding spring's top all with the bottom fixed connection of bracing piece, four fixed block respectively fixed mounting in the inside four corners position of screening case utilizes seed gravity compression expanding spring, under expanding spring's spring action, realizes the vibrations to the sieve, and then has improved the screening effect, has still reduced the noise.

Preferably, the flow regulating assembly comprises two bidirectional lead screws, the two bidirectional lead screws are both rotatably installed on the inner side wall of the feeding channel through bearings, the two ends of each bidirectional lead screw are respectively sleeved with a sliding block in a threaded manner, a current-limiting roller is fixedly installed between the two sliding blocks positioned on the different bidirectional lead screws, a fixed box is fixedly installed on the outer side wall of the feeding channel, one ends of the two bidirectional lead screws penetrate through the feeding channel and are fixedly connected with a rotating rod, the other end of the rotating rod is rotatably connected with the inner side wall of the fixed box, a rotating shaft is rotatably installed inside the fixed box, two driving wheels are fixedly installed on the rotating shaft, the two driving wheels are both connected with driven wheels through belt transmission, the two driven wheels are respectively and fixedly installed on the two rotating rods, one end of the rotating shaft extends to the outside of the fixed box and is fixedly installed with a hand wheel, the rotating shaft is driven to rotate through the hand wheel so as to drive the driven wheel to rotate through belt transmission, the rotating rod is driven to rotate through the driven wheel so as to drive the bidirectional screw rod to rotate, the sliding block is driven to move through the bidirectional screw rod, the two flow limiting rollers move oppositely or oppositely, the flow limitation of materials is realized, and the seed screening effect is further improved.

Preferably, the lower part fixed mounting of the sieve plate in the screening box has a stock guide, and the side wall of the screening box is communicated with a second discharge hole close to the lower end of the stock guide, so that unqualified seeds can be discharged conveniently.

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

the utility model discloses a set up the screening frame, at the inside demountable installation sieve of screening frame to at the bottom installation vibration subassembly of screening frame, be convenient for choose suitable sieve for use according to the diameter of seed, utilize seed gravity compression expanding spring simultaneously, under expanding spring's spring action, realize the vibrations to the sieve, and then improved seed screening effect, carry out the current-limiting through setting up the material of flow control subassembly in to feedstock channel in addition, further improved seed screening effect.

Drawings

FIG. 1 is a schematic view of the overall appearance structure of the present invention;

FIG. 2 is a schematic view of the overall shape of the present invention showing another angle structure;

fig. 3 is a partial cross-sectional view of the present invention;

FIG. 4 is a schematic view of the connection relationship between the screening frame and the vibrating assembly of the present invention;

fig. 5 is a schematic structural view of the middle sieve plate of the present invention;

fig. 6 is a cross-sectional view of the feeding passage of the present invention.

In the figure: 1-screening box; 2-screening frame; 3, a sieve plate; 4-a vibration assembly; 5-a bin gate; 6-a first discharge hole; 7-a second discharge hole; 8-a feed channel; 9-a flow regulating assembly; 10-a card slot; 11-a limiting groove; 12-mounting holes; 13-a support bar; 14-a sleeve; 15-a telescopic spring; 16-fixing block; 17-a bidirectional screw rod; 18-a slider; 19-a restrictor roller; 20-a stationary box; 21-rotating rod; 22-a rotating shaft; 23-a driving wheel; 24-a driven wheel; 25-hand wheel; 26-guide plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-6, a seed sieving mechanism for agricultural technology popularization in the figure includes a sieving box 1, a sieving frame 2 is obliquely installed inside the sieving box 1, a sieve plate 3 is detachably installed inside the sieving frame 2, a vibrating component 4 is fixedly installed at the bottom of the sieving frame 2, a bin gate 5 is hinged at a position, close to the upper end of the sieving frame 2, of the sieving box 1, a first discharge port 6 is communicated at a position, close to the lower end of the sieving frame 2, of the sieving box 1, a second discharge port 7 is communicated at the middle of the lower end of the sieving box 1, a feeding channel 8 is communicated at the top of the sieving box 1, and a flow regulating component 9 is fixedly installed inside the feeding channel 8.

Wherein, offer the draw-in groove 10 that matches each other with 3 frames of sieve on the inside wall of screening frame 2, and the one end of screening frame 2 has seted up spacing groove 11, mounting hole 12 has been seted up with the corresponding position of spacing groove 11 on sieve 3, and the one end fixed mounting of sieve 3 has the handle, is convenient for choose for use suitable sieve 3 according to the diameter of seed to seed screening effect has been improved greatly.

Wherein, vibrations subassembly 4 includes bracing piece 13, bracing piece 13 is provided with four, and four bracing pieces 13 respectively fixed mounting in screening frame 2 bottom four corners position, every the outside of bracing piece 13 all slides the cover and is equipped with sleeve 14, every the inside equal fixed mounting of sleeve 14 has expanding spring 15, and every the equal fixed mounting in bottom of sleeve 14 has fixed block 16, every expanding spring 15's top all with bracing piece 13's bottom fixed connection, four fixed block 16 respectively fixed mounting in screening 1 inside four corners position utilizes seed gravity compression expanding spring 15, under expanding spring 15's spring action, realizes the vibrations to sieve 3, and then has improved the screening effect, has still reduced the noise.

Wherein, the flow regulating assembly 9 comprises two-way lead screws 17, two-way lead screws 17 are all installed on the inner side wall of the feeding channel 8 through the rotation of a bearing, the two ends of each two-way lead screw 17 are respectively sleeved with a sliding block 18 through threads, a current limiting roller 19 is fixedly installed between the two sliding blocks 18 positioned on the different two-way lead screws 17, a fixed box 20 is fixedly installed on the outer side wall of the feeding channel 8, one end of each two-way lead screw 17 penetrates through the feeding channel 8 and is fixedly connected with a rotating rod 21, the other end of each rotating rod 21 is rotatably connected with the inner side wall of the fixed box 20, a rotating shaft 22 is installed inside the fixed box 20 in a rotating way, two driving wheels 23 are fixedly installed on the rotating shaft 22, two driving wheels 23 are all connected with driven wheels 24 through belt transmission, two driven wheels 24 are respectively and fixedly installed on the two rotating rods 21, one end of the rotating shaft 22 extends to the outside of the fixed box 20, a hand wheel 25 is fixedly mounted on the outside of the fixed box 20, the rotating shaft 22 is driven to rotate through the hand wheel 25, so that the rotating shaft 22 is driven to rotate through belt transmission to drive the driven wheel 24 to rotate, the rotating shaft 21 is driven to rotate through the driven wheel 24 so that the bidirectional screw rod 17 rotates, the sliding block 18 is driven to move through the bidirectional screw rod 17, two current-limiting rollers 19 move oppositely or oppositely, current limitation on materials is achieved, and the seed screening effect is further improved.

In addition, the lower part fixed mounting of the inside sieve plate 3 of screening case 1 has stock guide 26, and the screening case 1 lateral wall is close to stock guide 26 lower extreme department intercommunication and has second discharge gate 7, the unqualified seed of being convenient for discharge.

The working principle is as follows: when the screening machine is used, firstly, after selecting a proper screen plate 3 according to the diameter of seeds to be screened, an operator opens the door 5 and holds a handle to insert the screen plate 3 into the clamping groove 10 in the screening frame 2, then the screen plate 3 is fixedly connected with the screening frame 2 by penetrating through the mounting hole 12 through a bolt, then the door 5 is closed and sealed, then the hand wheel 25 drives the rotating shaft 22 to rotate so that the rotating shaft drives the driven wheel 24 to rotate through belt transmission, the driven wheel 24 drives the rotating rod 21 to rotate so that the bidirectional screw rod 17 rotates, the bidirectional screw rod 17 drives the sliding block 18 to move so that the two flow-limiting rollers 19 move oppositely or oppositely until the seeds are adjusted to a proper position, finally, the seeds to be screened are poured into the feeding channel 8 through the top end of the feeding channel 8, and under the action of the two flow-limiting rollers 19, the flow limitation of materials in the feeding channel 8 can be realized, when the seed dropped to 3 tops of sieve, compression expanding spring 15 under seed action of gravity utilized expanding spring 15's elasticity to realize the vibrations to sieve 3, and the big plump seed of grain is discharged through first discharge gate 6, and the seed of more flat discharges through second discharge gate 7, and then has improved seed screening effect.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. The utility model provides an agricultural technology promotes and uses seed sieving mechanism, includes screening case (1), its characterized in that: screening frame (2) are installed to the inside slope of screening case (1), the inside demountable installation of screening frame (2) has sieve (3), and the bottom fixed mounting of screening frame (2) has vibrations subassembly (4), screening case (1) is close to that screening frame (2) upper end department articulates there is bin gate (5), and screening case (1) is close to screening frame (2) lower extreme department intercommunication and has first discharge gate (6), the lower extreme middle part intercommunication of screening case (1) has second discharge gate (7), the top intercommunication of screening case (1) has feedstock channel (8), the inside fixed mounting of feedstock channel (8) has flow control subassembly (9).

2. The seed screening device for agricultural technology popularization according to claim 1, wherein: offer draw-in groove (10) with mutual matching of sieve (3) frame on the inside wall of screening frame (2), and the one end of screening frame (2) has seted up spacing groove (11), mounting hole (12) have been seted up with the corresponding position in spacing groove (11) on sieve (3), and the one end fixed mounting of sieve (3) has the handle.

3. The seed screening device for agricultural technology popularization according to claim 2, wherein: vibrations subassembly (4) include bracing piece (13), bracing piece (13) are provided with four, and four bracing pieces (13) fixed mounting respectively are in screening frame (2) bottom four corners position, every the outside of bracing piece (13) is all slided the cover and is equipped with sleeve (14), every the equal fixed mounting in inside of sleeve (14) has expanding spring (15), and every the equal fixed mounting in bottom of sleeve (14) has fixed block (16), every the top of expanding spring (15) all with the bottom fixed connection of bracing piece (13), four fixed block (16) fixed mounting is the inside four corners position of screening case (1) respectively.

4. The seed screening device for agricultural technology popularization according to claim 3, wherein: the flow regulating assembly (9) comprises two bidirectional screw rods (17), two bidirectional screw rods (17) are installed on the inner side wall of the feeding channel (8) in a rotating mode through bearings, sliding blocks (18) are respectively in threaded sleeve joint at the two ends of each bidirectional screw rod (17), a current limiting roller (19) is fixedly installed between the two sliding blocks (18) located on different bidirectional screw rods (17), a fixed box (20) is fixedly installed on the outer side wall of the feeding channel (8), two bidirectional screw rods (17) are arranged at one ends of the two bidirectional screw rods (17) and penetrate through the feeding channel (8) and are fixedly connected with rotating rods (21), the other ends of the rotating rods (21) are rotatably connected with the inner side wall of the fixed box (20), a rotating shaft (22) is installed in the fixed box (20) in a rotating mode, two driving wheels (23) are fixedly installed on the rotating shaft (22), and the two driving wheels (23) are connected with driven wheels (24) through belt transmission, two from driving wheel (24) fixed mounting respectively on two dwang (21), the one end of axis of rotation (22) extends to the outside of fixed case (20) and fixed mounting has hand wheel (25).

5. The seed screening device for agricultural technology popularization according to claim 4, wherein: the lower part of the sieve plate (3) in the screening box (1) is fixedly provided with a material guide plate (26), and the side wall of the screening box (1) is communicated with a second material outlet (7) close to the lower end of the material guide plate (26).