CN211275368U

CN211275368U - Crop seed screening device

Info

Publication number: CN211275368U
Application number: CN201921664361.0U
Authority: CN
Inventors: 钟发
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-08-18
Anticipated expiration: 2029-09-30

Abstract

The utility model discloses a crop seed screening device, which comprises a screening box, through grooves are arranged on the left side wall and the right side wall of the screening box, the left side and the right side of the screening box are respectively provided with a movable frame, the movable frames are provided with connecting frames which are mutually connected, belt shafts are inserted on the movable frame, belts are sleeved on the two belt shafts, through holes are uniformly distributed on the belts, the lower end face of the movable frame is provided with an inserting rod, the outer wall of the screening box below the movable frame is provided with an inserting seat, the inserting rod is movably inserted on the inserting seat, the insertion rod is sleeved with a first spring which is arranged between the movable frame and the insertion seat, the belt screening device is characterized in that a containing box is arranged in front of the screening box, a through groove communicated with the containing box is formed in the screening box of the belt, an inclined plate is connected to the through groove, and the inclined plate is arranged between the belts.

Description

Crop seed screening device

Technical Field

The utility model relates to an agricultural field, in particular to crops seed sieving mechanism.

Background

When growing small red beans, it is necessary to select excellent seeds as breeding seeds, which is also called breed improvement. High yield, stable yield, high quality and high efficiency are the breeding targets. Traditional breeding screening mode does, needs the manual work to filter, and the screening mode is wasted time and energy, consequently needs breeding sieving mechanism to carry out autofilter, has improved certain screening efficiency, and current sieving mechanism also has some drawbacks, for example traditional sieving mechanism's screen cloth is fixed in the screening storehouse, leads to can not easily to dismantle the washing, and then can make the screen cloth use a period of time after, the sieve mesh is stopped up and has been influenced screening efficiency.

The solution of current screening machine is to dismantle the screen cloth to lead to dismantling the abluent in-process to have the way to screen the seed, lead to efficiency to reduce and need expend the manpower simultaneously and dismantle the clearance to it, do not accord with people's user demand.

Therefore, it is desirable to provide a crop seed screening apparatus to solve this problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the weak point among the prior art, providing a crops seed sieving mechanism.

In order to achieve the above purpose, the utility model adopts the following scheme:

a crop seed screening device comprises a screening box, through grooves are formed in the left side wall and the right side wall of the screening box, moving frames are respectively arranged on the left side and the right side of the screening box, connecting frames are arranged on the moving frames and connected with each other, belt shafts are inserted into the moving frames, belts are sleeved on the two belt shafts, through holes are uniformly distributed in the belts, insertion rods are arranged on the lower end face of each moving frame, an insertion seat is arranged on the outer wall of the screening box below the moving frames, the insertion rods are movably inserted into the insertion seats, a first spring is sleeved on each insertion rod and arranged between the moving frames and the insertion seats, a containing box is arranged in front of the screening box, through grooves communicated with the containing box are formed in the screening box of the belts, inclined plates are connected to the through grooves, and arranged between the belts, a dredging device which can be inserted into the through hole to eject seeds blocked in the through hole is arranged below the inclined plate, a rotating device which can drive a belt shaft to rotate is arranged on any one moving frame, a driving device which can drive the moving frame to move up and down is arranged on the screening box, the seeds to be screened are fallen onto the belt, the moving frame is driven to move up and down by the driving device, the belt moves up and down to bump the seeds and fall onto the inclined plate through the through hole, then the seeds enter the containing box through the through groove by the diversion of the inclined plate to realize screening, the seeds which do not enter the through hole are left on the belt, the belt is driven to move by the rotation of the belt shaft by the rotating device, the seeds which are not screened are driven by the belt to move from one side to pour the seeds, the dredging device can be inserted into the through hole to eject the seeds blocked in the through hole, and prevent the seeds from, resulting in a decrease in screening efficiency.

Furthermore, the dredging device comprises a movable plate arranged below the inclined plate, a plurality of ejector pins are arranged on the lower end face of the movable plate corresponding to the through holes, longitudinal guide rails are arranged on the inner wall of the screening box, the movable plate is inserted into the longitudinal guide rails, a first motor is installed on the inner wall of the screening box, a first lead screw is arranged on a motor shaft of the first motor, the first lead screw extends downwards, a lead screw nut is arranged on the movable plate and is in threaded connection with the first lead screw, the first lead screw is driven by the first motor to rotate, the lead screw nut is driven to move relative to the first lead screw in the rotating process of the first lead screw, so that the movable plate is driven to move, the ejector pins of the movable plate are inserted into the through holes in the moving process, and seeds blocked in the through holes are ejected out.

Further, rotating device is including setting up the motor mounting bracket on removing the frame install the second motor on the motor mounting bracket, the motor shaft and the belt axle fixed connection of second motor drive the belt axle through second motor work and rotate, simple structure, and the drive is convenient, accords with the user demand.

Further, drive arrangement is including setting up the motor mount pad on the link install the third motor on the motor mount pad be equipped with half-tooth gear on the motor shaft of third motor be equipped with the rack on the screening case outer wall, half-tooth gear and rack intermeshing, half-tooth gear have tooth half circumference for half circumference do not have the gear of tooth, when driving half-tooth gear through the third motor and rotate, have half circumference and the rack toothing of tooth when half-tooth gear, the link moves down, when half circumference that half-tooth gear does not have tooth and rack cooperation, moves the frame because the effect of first spring, automatic upwards resets, simple structure, and convenient to use accords with the user demand.

Preferably, screening case one side is equipped with first collecting box, collects the seed of belt transport processing through being equipped with first collecting box, simple structure, and convenient to use accords with the user demand.

Preferably, the rear side of the screening box is provided with a first through groove, a second collecting box is inserted in the first through groove, a first handle is arranged on the outer surface of the second collecting box, and the second collecting box is arranged to collect the ejected seeds of the dredging device.

Preferably, the front side of the containing box is provided with a second through groove, a third collecting box is inserted in the second through groove, a second handle is arranged on the outer surface of the third collecting box, and the seeds subjected to screening treatment can be collected through the third collecting box, so that the subsequent treatment is facilitated, and the use requirements are met.

Preferably, be equipped with the guide block on the link be equipped with vertical guide rail on the screening case, the guide block is pegged graft in vertical guide rail, makes the link reciprocate the in-process more stable, accords with the user demand.

To sum up, the utility model discloses for its beneficial effect of prior art is:

the utility model discloses the seed that will need the screening falls down on the belt, it reciprocates to drive through drive arrangement work and removes the frame, make the belt reciprocate and make the seed jolt through the through-hole drop to the swash plate, then the water conservancy diversion through the swash plate enters into the containing box through leading to the inslot, realize the screening, the seed that does not get into in the through-hole stays on the belt, it orders about the belt removal to drive belt axle through rotating device, the belt removes to drive and is not poured the seed by the seed of screening from one side removal, the pull throughs working energy is pegged graft and will be blockked up the seed in the through-hole ejecting, prevent that the seed from blockking up in the through-hole, lead to the screening efficiency to.

Drawings

Fig. 1 is one of the schematic perspective views of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

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

fig. 4 is a second perspective view of the present invention;

fig. 5 is a third perspective view of the present invention.

Detailed Description

The invention will be further described with reference to the following description and embodiments in conjunction with the accompanying drawings:

as shown in fig. 1 to 5, a crop seed screening device comprises a screening box 18, through grooves 101 are formed on the left and right side walls of the screening box 18, moving frames 11 are respectively arranged on the left and right sides of the screening box 18, connecting frames 17 are arranged on the moving frames 11 and connected with each other, belt shafts 19 are inserted into the moving frames 11, belts 13 are sleeved on the two belt shafts 19, through holes 131 are uniformly distributed on the belts 13, an insertion rod 32 is arranged on the lower end surface of the moving frame 11, an insertion base 33 is arranged on the outer wall of the screening box 18 below the moving frame 11, the insertion rod 32 is movably inserted into the insertion base 33, a first spring 31 is sleeved on the insertion rod 32, the first spring 31 is arranged between the moving frame 11 and the insertion base 33, a storage box 1 is arranged in front of the screening box 18, a through groove 1011 communicated with the storage box 1 is arranged on the screening box 18 of the belts 13, the through groove 1011 is connected with an inclined plate 10, the inclined plate 10 is arranged between the belts 13, a dredging device 4 which can be inserted into the through hole 131 to eject seeds blocked in the through hole 131 is arranged below the inclined plate 10, a rotating device 6 which can drive the belt shaft 19 to rotate is arranged on any one of the moving frames 11, a driving device 2 which can drive the moving frames 11 to move up and down is arranged on the screening box 18, the seeds to be screened are fallen onto the belts, the moving frames 11 are driven to move up and down by the driving device 2, the belts bump and fall onto the inclined plate through the through holes, then the seeds enter the containing box through the through groove by the diversion of the inclined plate to realize screening, the seeds which do not enter the through hole are left on the belts, the rotating device 6 drives the belt shaft 19 to rotate to drive the belts to move, the belts move to drive the non-screened seeds to move from one side to pour the seeds, the dredging device 4 can be inserted into the through hole 131 to eject out the seeds blocked in the through hole 131, so that the seeds are prevented from being blocked in the through hole, and the screening efficiency is reduced.

As shown in fig. 1 to 5, the dredging device 4 includes a moving plate 42 disposed below the inclined plate 10, a plurality of ejector pins 41 are disposed on a lower end surface of the moving plate 42 corresponding to the through holes 131, a longitudinal guide rail 46 is disposed on an inner wall of the screening box 18, the moving plate 42 is inserted into the longitudinal guide rail 46, a first motor 43 is mounted on the inner wall of the screening box 18, a first lead screw 45 is disposed on a motor shaft of the first motor 43, the first lead screw 45 extends downward, a lead screw nut 44 is disposed on the moving plate 42, the lead screw nut 44 is in threaded connection with the first lead screw 45, the first lead screw is driven to rotate by the first motor, the lead screw nut is driven to move relative to the first lead screw during rotation of the first lead screw, so as to drive the moving plate to move, the ejector pins are inserted into the through holes during movement of the moving plate, so as to eject seeds blocked in, the dredging is convenient, and the use requirement is met.

As shown in fig. 1 to 5, the rotating device 6 includes a motor mounting bracket 61 arranged on the moving frame 11, a second motor 62 is installed on the motor mounting bracket 61, a motor shaft of the second motor 62 is fixedly connected with the belt shaft 19, the belt shaft is driven to rotate through the work of the second motor, and the rotating device is simple in structure, convenient to drive and capable of meeting use requirements.

As shown in fig. 1 to 5, the driving device 2 includes a motor mounting seat 21 disposed on the connecting frame 17, a third motor 22 is mounted on the motor mounting seat 21, a half-tooth gear 23 is disposed on a motor shaft of the third motor 22, a rack 24 is disposed on an outer wall of the screening box 18, the half-tooth gear 23 is engaged with the rack 24, the half-tooth gear is a gear having teeth on a half circumference and having no teeth on a half circumference, when the half-tooth gear is driven to rotate by the third motor, the half circumference having teeth on the half-tooth gear is engaged with the rack, the connecting frame moves downward, and when the half circumference having no teeth on the half-tooth gear is engaged with the rack, the moving frame automatically resets upward due to the action of the first spring.

As shown in figures 1 to 5, a first collecting box 12 is arranged on one side of the screening box 18, seeds conveyed and processed by a belt are collected by the first collecting box, the structure is simple, the use is convenient, and the use requirement is met.

As shown in fig. 1 to 5, a first through groove is arranged on the rear side of the screening box 18, a second collecting box 14 is inserted in the first through groove, a first handle 15 is arranged on the outer surface of the second collecting box 14, and seeds ejected out of the dredging device are collected by the second collecting box.

As shown in fig. 1 to 5, a second through groove is formed in the front side of the storage box 1, a third collecting box 142 is inserted into the second through groove, a second handle 143 is arranged on the outer surface of the third collecting box 142, and the seeds subjected to screening treatment can be collected through the third collecting box, so that the subsequent treatment is facilitated, and the use requirements are met.

As shown in fig. 1 to 5, the connecting frame 17 is provided with a guide block 161, the screening box 18 is provided with a vertical guide rail 16, and the guide block 161 is inserted into the vertical guide rail 16, so that the connecting frame is more stable in the up-and-down moving process, and meets the use requirements.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely for convenience of description and for simplicity of description, rather than to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention, the terms "first" and "second" are used for descriptive purposes only, and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, and it should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only illustrative of the principles of the present invention, and the present invention can be modified in various ways without departing from the spirit and scope of the present invention, and these modifications and changes fall into the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a crops seed sieving mechanism, is including screening case (18), its characterized in that: through grooves (101) are formed in the left side wall and the right side wall of the screening box (18), moving frames (11) are arranged on the left side and the right side of the screening box (18) respectively, connecting frames (17) are arranged on the moving frames (11) and connected with each other, belt shafts (19) are inserted into the moving frames (11), belts (13) are sleeved on the two belt shafts (19), through holes (131) are uniformly distributed in the belts (13), inserting rods (32) are arranged on the lower end face of each moving frame (11), an inserting base (33) is arranged on the outer wall of the screening box (18) below the moving frames (11), the inserting rods (32) are movably inserted into the inserting base (33), first springs (31) are sleeved on the inserting rods (32), the first springs (31) are arranged between the moving frames (11) and the inserting base (33), a storage box (1) is arranged in front of the screening box (18), be equipped with logical groove (1011) with containing box (1) intercommunication on screening case (18) of belt (13) lead to groove (1011) department and be connected with swash plate (10), swash plate (10) set up between belt (13) swash plate (10) below is equipped with can peg graft in through-hole (131) and will block up ejecting pull throughs (4) of seed in through-hole (131), is equipped with on arbitrary one removes frame (11) and can drive belt shaft (19) pivoted rotating device (6) be equipped with on screening case (18) and can drive the drive arrangement (2) that remove frame (11) and reciprocate.

2. The crop seed screening device according to claim 1, wherein the dredging device (4) comprises a moving plate (42) arranged below the inclined plate (10), a plurality of ejector pins (41) are arranged on the lower end surface of the moving plate (42) corresponding to the through holes (131), a longitudinal guide rail (46) is arranged on the inner wall of the screening box (18), the moving plate (42) is inserted into the longitudinal guide rail (46), a first motor (43) is arranged on the inner wall of the screening box (18), a first lead screw (45) is arranged on a motor shaft of the first motor (43), the first lead screw (45) extends downwards, a lead screw nut (44) is arranged on the moving plate (42), and the lead screw nut (44) is in threaded connection with the first lead screw (45).

3. A crop seed screening apparatus according to claim 1, wherein the rotating device (6) comprises a motor mounting bracket (61) arranged on the movable frame (11), a second motor (62) is mounted on the motor mounting bracket (61), and a motor shaft of the second motor (62) is fixedly connected with the belt shaft (19).

4. The crop seed screening device according to claim 1, wherein the driving device (2) comprises a motor mounting seat (21) arranged on the connecting frame (17), a third motor (22) is mounted on the motor mounting seat (21), a half-tooth gear (23) is arranged on a motor shaft of the third motor (22), a rack (24) is arranged on the outer wall of the screening box (18), and the half-tooth gear (23) is meshed with the rack (24).

5. A crop seed screening apparatus as claimed in any one of claims 1 to 4, characterised in that a first collection bin (12) is provided on one side of the screening bin (18).

6. A crop seed screening apparatus as claimed in any one of claims 1 to 4, wherein a first through slot is provided on the rear side of the screening box (18), a second collection box (14) is inserted into the first through slot, and a first handle (15) is provided on the outer surface of the second collection box (14).

7. A crop seed screening apparatus according to any one of claims 1 to 4, characterized in that a second through slot is provided on the front side of the storage box (1), a third collecting box (142) is inserted into the second through slot, and a second handle (143) is provided on the outer surface of the third collecting box (142).

8. A crop seed screening apparatus as claimed in any one of claims 1 to 4, characterized in that a guide block (161) is provided on the connecting frame (17), a vertical guide rail (16) is provided on the screening box (18), and the guide block (161) is plugged into the vertical guide rail (16).