Seed screening device for agricultural technology popularization
By using a vibration assembly to drive the reciprocating motion of the turntable and top block, full contact between the seeds and the sieve plate is achieved, solving the problem of inaccurate screening in existing technologies and improving the seed screening effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHAN COUNTY AGRI & RURAL AFFAIRS BUREAU
- Filing Date
- 2025-05-08
- Publication Date
- 2026-04-10
AI Technical Summary
In existing seed screening devices, the seeds do not make sufficient contact with the No. 1 sieve in the screening box, resulting in inaccurate screening and affecting the screening effect.
A vibration assembly drives the reciprocating motion of the turntable and top block, and the up-and-down shaking of the box is achieved through ball bearings and fixed columns, ensuring that the seeds fully contact and are screened with the first and second sieve plates.
It improves the accuracy of seed screening, prevents seeds from getting stuck in the sieve holes, and enhances the screening effect.
Smart Images

Figure CN224101208U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a screening device, concretely is a seed screening device for agricultural technology popularization belongs to agricultural equipment technical field. BACKGROUND
[0002] Seed, the propagule special for gymnosperms and angiosperms, it is formed by ovule after pollination and fertilization, seed generally is composed of seed coat, embryo and endosperm three parts, some plants mature seed only has seed coat and embryo two parts, seed needs to be screened before planting, thereby needs to use seed screening device.
[0003] In the seed screening device for agricultural technology popularization disclosed in Chinese patent application publication specification CN219253244U, the seed needing screening is poured into the screening box through the feeding opening, at this time, the motor is started to work through the external control system, the motor drives the disc to rotate, since the disc deviates from the center position of the motor output end, the disc and the connecting rod can be rotated to drive the pull rod to adjust the angle, and then the pull rod pulls the screening box to adjust the position, since the two sliding sleeve rods at the lower end of the screening box are connected together with the two limiting round rods, the stability of the screening box moving forward and backward can be improved, under the cooperation of the pushing device, the seed falls to the rear discharge plate through the first screen and the second screen, the smaller seed is discharged through the right discharge plate after being screened by the first screen, the moderate seed is discharged through the left discharge plate after being screened by the second screen, and the larger seed is discharged through the rear discharge plate.
[0004] In the above patent scheme, the first screen and the second screen arranged in the screening box can quickly screen the seed added into the screening box, but the screen of the device is arranged obliquely, and the screening box adjusts the position forward and backward, the seed directly rolls or slides to the second screen under the action of the force of the screening box moving forward and backward, and does not fully contact the screen hole of the first screen, so that the seed has no chance to be screened by the first screen, thereby causing inaccurate screening and affecting the screening effect.
[0005] Therefore, the seed screening device for agricultural technology popularization is provided. UTILITY MODEL CONTENT
[0006] The utility model provides a seed screening device for agricultural technology popularization, which can ensure that the seed is fully screened by the first screen plate and the second screen plate, and improve the screening effect.
[0007] The utility model discloses a kind of seed screening devices for agricultural technology popularization, including mounting bracket and the box being set on the upper surface of mounting bracket, the mounting bracket is composed of bottom plate, pillar and top plate, pillar is fixed on the upper surface of bottom plate, top plate is fixed on the top end of pillar, vibration assembly is equipped on the mounting bracket.
[0008] The vibration assembly includes a rotary motor fixed on the upper surface of the bottom plate, the output shaft end of the rotary motor is fixed with a turntable, the upper surface of the turntable is fixed with a plurality of top blocks, one side of the top block is provided with an inclined surface, the bottom surface of the box is fixed with a plurality of fixed columns, the bottom end of the fixed column is fixed with a fixed block, the bottom surface of the fixed block is rotatably connected with a ball, and the top block and the ball are located on the same circular arc line of the turntable.
[0009] Further, the upper surface of the bottom plate is fixed with a plurality of support rods, and the bottom surface of the turntable is rotatably connected with the upper surface of the support rod, and the bottom surface of the turntable is provided with a sliding groove which is slidably connected with the outer surface of the support rod.
[0010] Further, a plurality of through slots are formed in the top plate, and the outer surface of the fixed column is slidably connected with the inner wall of the through slot.
[0011] Further, the upper surface of the turntable is fixed with a rubber pad, and the bottom end of the ball is in contact with the upper surface of the rubber pad.
[0012] Further, the upper surface of the box is fixed with an inlet, the front surface of the box is provided with a box door, and the front surface of the box door is fixed with a handle.
[0013] Further, the inner wall of the box is fixed with a first sieve plate and a second sieve plate, and the first sieve plate is located above the second sieve plate, and the inner bottom wall of the box is provided with a collection basket.
[0014] Further, two outlets are formed in the right side of the box, and a sealing door is installed on the outlet, and the two outlets are respectively located on one side of the bottom of the first sieve plate and the second sieve plate.
[0015] The utility model provides a kind of seed screening devices for agricultural technology popularization, and it has the beneficial effects as follows:
[0016] 1. The agricultural technology popularization seed screening device, through the starting rotating motor drives the rotating disc counterclockwise rotation, when the rotating disc drives the inclined surface of the top block and the bottom end of the ball contact, the ball can move upwards along the inclined surface of the top block, and the ball can drive the fixed column upwards along the through slot on the top plate through the fixed block, the fixed column drives the box upwards, when the top block continues to rotate away from the ball, the ball will fall under the action of gravity, so that the box falls, until the next top block lifts the ball, realizes its reciprocating motion, so as to ensure that the seeds are fully screened by the first sieve plate and the second sieve plate, improve the screening effect, and avoid the seeds from being stuck on the sieve holes of the first sieve plate and the second sieve plate. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is a three-dimensional structure schematic view of the utility model;
[0018] Figure 2 It is a sectional view schematic view of the bottom plate and the top plate in the utility model;
[0019] Figure 3 It is a Figure 2 structure enlarged schematic view of the utility model in A place;
[0020] Figure 4 It is an internal structure schematic view of the box in the utility model.
[0021] BRIEF DESCRIPTION OF DRAWINGS
[0022] 1, mounting frame; 101, bottom plate; 102, support column; 103, top plate; 1031, through slot;
[0023] 2, vibration assembly; 201, rotating motor; 202, rotating disc; 203, support rod; 204, top block; 205, fixed column; 206, fixed block; 207, ball;
[0024] 3, box; 301, feed inlet; 302, box door; 3021, handle; 303, sealing door; 304, outlet;
[0025] 4, rubber pad; 5, first sieve plate; 6, second sieve plate; 7, collection basket. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.
[0027] Please refer to Figures 1-4The utility model proposes following implementation scheme: a kind of seed screening device for agricultural technology promotion, including mounting bracket 1 and the box 3 being arranged on the upper surface of mounting bracket 1, mounting bracket 1 is composed of bottom plate 101, pillar 102 and top plate 103, pillar 102 is fixed on the upper surface of bottom plate 101, top plate 103 is fixed at the top end of pillar 102, and vibration assembly 2 is equipped on mounting bracket 1.
[0028] Please refer to Figure 1 And Figure 4 The upper surface of box 3 is fixed with inlet 301, and the front of box 3 is provided with box door 302, the front of box door 302 is fixed with handle 3021, and the seeds in collection basket 7 can be taken out.
[0029] The inner wall of box 3 is fixed with first sieve plate 5 and second sieve plate 6, and first sieve plate 5 is located above second sieve plate 6, the diameter of sieve hole on first sieve plate 5 is longer than that of second sieve plate 6, and the inner bottom wall of box 3 is provided with collection basket 7.
[0030] Two outlets 304 are formed in the right side of box 3, and sealing door 303 is installed on outlet 304, two outlets 304 are located at the bottom side of first sieve plate 5 and second sieve plate 6 respectively, and the seeds on first sieve plate 5 and second sieve plate 6 can be taken out by opening sealing door 303.
[0031] Please refer to Figure 2 And Figure 3 Vibration assembly 2 includes rotary motor 201 fixed on the upper surface of bottom plate 101, the output shaft end of rotary motor 201 is fixed with rotating disc 202, the upper surface of rotating disc 202 is fixed with multiple top blocks 204, one side of top block 204 is inclined surface, the bottom surface of box 3 is fixed with multiple fixed columns 205, the bottom end of fixed column 205 is fixed with fixed block 206, the bottom surface of fixed block 206 is rotatably connected with ball 207, and top block 204 and ball 207 are located on the same circular arc line of rotating disc 202.
[0032] The upper surface of bottom plate 101 is fixed with multiple support rods 203, and the bottom surface of rotating disc 202 is rotatably connected with the upper surface of support rod 203, and the bottom surface of rotating disc 202 is provided with sliding groove in sliding connection with the outer surface of support rod 203, so as to support rotating disc 202.
[0033] Multiple through slots 1031 are formed in top plate 103, and the outer surface of fixed column 205 is in sliding connection with the inner wall of through slot 1031.
[0034] When the top block 204 is in contact with the bottom end of the ball 207, the ball 207 can move upwards along the inclined surface of the top block 204, and the ball 207 can drive the fixed column 205 to move upwards along the through slot 1031 on the top plate 103 through the fixed block 206, and the fixed column 205 can drive the box body 3 to move upwards, when the top block 204 continues to rotate, the ball 207 will roll on the upper surface of the top block 204 until the top block 204 is away from the ball 207, at this time the ball 207 will fall under the action of gravity, thereby driving the box body 3 to fall until the next top block 204 lifts the ball 207, realizing reciprocating motion, and then the first sieve plate 5 and the second sieve plate 6 in the box body 3 are shaken up and down to screen the seeds, so that the seeds are fully screened by the first sieve plate 5 and the second sieve plate 6, the screening effect is improved, and the seeds are prevented from being stuck on the sieve holes of the first sieve plate 5 and the second sieve plate 6.
[0035] Please refer to Figure 3 The upper surface of the rotating disc 202 is fixedly provided with a rubber pad 4, and the bottom end of the ball 207 is in contact with the upper surface of the rubber pad 4.
[0036] In use, the seeds are put into the box body 3 through the feeding port 301, and then the rotating motor 201 is started, the rotating disc 202 is driven to rotate counterclockwise by starting the rotating motor 201, the rotating disc 202 can drive the top block 204 to rotate, when the inclined surface of the top block 204 is in contact with the bottom end of the ball 207, the ball 207 can move upwards along the inclined surface of the top block 204, and the ball 207 can drive the fixed column 205 to move upwards along the through slot 1031 on the top plate 103 through the fixed block 206, and the fixed column 205 can drive the box body 3 to move upwards, when the top block 204 continues to rotate, the ball 207 will roll on the upper surface of the top block 204 until the top block 204 is away from the ball 207, at this time the ball 207 will fall under the action of gravity, thereby driving the box body 3 to fall until the next top block 204 lifts the ball 207, realizing reciprocating motion of the box body 3, and the first sieve plate 5 and the second sieve plate 6 in the box body 3 are shaken up and down to screen the seeds, so that the seeds are fully screened, the screening effect is improved, and the seeds are prevented from being stuck on the sieve holes of the first sieve plate 5 and the second sieve plate 6.
[0037] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.
Claims
1. An agricultural technology extension seed screening device comprising a mounting frame (1) and a box (3) arranged on the upper surface of the mounting frame (1), characterized in that: The mounting frame (1) is composed of a bottom plate (101), a support column (102) and a top plate (103), and a vibration assembly (2) is arranged on the mounting frame (1); The vibration assembly (2) comprises a rotary motor (201) fixed on the upper surface of the bottom plate (101), the output shaft end of the rotary motor (201) is fixed with a rotating disc (202), the upper surface of the rotating disc (202) is fixed with a plurality of top blocks (204), the bottom surface of the box body (3) is fixed with a plurality of fixed columns (205), the bottom end of the fixed column (205) is fixed with a fixed block (206), and the bottom surface of the fixed block (206) is rotatably connected with a ball (207).
2. The seed screening device for agricultural extension according to claim 1, characterized in that: The upper surface of the bottom plate (101) is fixed with a plurality of support rods (203), and the bottom surface of the rotating disc (202) is rotatably connected with the upper surface of the support rod (203).
3. The seed screening device for agricultural extension according to claim 1, characterized in that: The top plate (103) is provided with a plurality of through grooves (1031), and the outer surface of the fixed column (205) is slidably connected with the inner wall of the through groove (1031).
4. The seed screening device for agricultural extension according to claim 1, characterized in that: The upper surface of the rotating disc (202) is fixed with a rubber pad (4), and the bottom end of the ball (207) is in contact with the upper surface of the rubber pad (4).
5. The seed screening device for agricultural extension according to claim 1, characterized in that: The upper surface of the box body (3) is fixed with an inlet (301), the front surface of the box body (3) is provided with a box door (302), and the front surface of the box door (302) is fixed with a handle (3021).
6. The seed screening device for agricultural extension according to claim 1, characterized in that: The inner wall of the box body (3) is fixed with a first sieve plate (5) and a second sieve plate (6), the first sieve plate (5) is located above the second sieve plate (6), and the inner bottom wall of the box body (3) is provided with a collecting basket (7).
7. The seed screening device for agricultural extension according to claim 1, characterized in that: Two outlets (304) are arranged on the right side of the box body (3), and a sealing door (303) is arranged on the outlet (304).
Citation Information
Patent Citations
Seed screening device for agricultural technology popularization
CN219253244U