Efficient crop seed screening device

Abstract

The utility model discloses an efficient crop seed screening device, and belongs to the technical field of screening equipment. Comprising a base plate, a screening box is arranged at the top end of the base plate through a buffering assembly, multiple layers of screening assemblies are arranged in the screening box, a first slag outlet and a second slag outlet are formed in one side of the screening box, a third slag outlet is formed in the other side of the screening box, and a vibration motor is arranged at the bottom of the screening box; according to the seed screening device, the quantitative assembly and the buffer assembly are arranged, a driving motor is started, a driving gear is driven to rotate, the driving gear rotates to drive an auxiliary gear on one side to rotate and a discharging disc to rotate, seeds are equivalently discharged into the screening box, the multiple layers of screening assemblies are conveniently dispersed and screened, and the screening quality is guaranteed; and the screening box can be driven to vibrate at high frequency, a buffer spring buffers vibration, a sliding rod slides in a movable rod to assist the screening box to slightly shake as a whole, and the discharging and screening effect is accelerated.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of screening equipment, more particularly, to a high-efficiency crop seed screening device. BACKGROUND

[0002] Seed screening is a very important step in agricultural production and seed breeding, and its main purpose is to ensure the quality and consistency of seeds. The importance of seed screening is reflected in the following aspects, including removing impurities, grading, improving seed quality, meeting seeding requirements, seed breeding, etc., so a machine that can effectively sort and screen seeds according to their size, shape, weight and other characteristics is needed.

[0003] The patent with the authorization announcement number CN221934539U provides a seed screening device, which includes a screening box, an inlet is arranged at the upper end of the screening box, a guide pipe is arranged at the bottom end of the inlet, a slag discharge port is arranged at the bottom surface of the left end of the screening box, an inclined plate is arranged inside the screening box, the bottom end of the inclined plate is fixedly connected with the slag discharge port, a filter screen frame is arranged above the inclined plate, a filter screen is slidably connected inside the filter screen frame, first and second rotating shafts are arranged at the left and right ends of the filter screen frame respectively, the first and second rotating shafts are movably connected with the screening box, a convex plate is rotatably connected with the left end of the first rotating shaft, and a plurality of sawtooth blocks are arranged at equal intervals on the upper surface of the convex plate.

[0004] Although the prior art in the above-mentioned technical solution can achieve better screening effect and facilitate discharging effect by arranging a screening device, when the existing crop seed screening device is used to screen a large amount of seeds at one time, the discharge port is easily blocked, the screening pressure is large, repeated swinging and screening collisions can also damage the seed skin, and the impurities in the seeds have diameters greater than or smaller than the seeds, so single-layer filtering cannot screen out impurities such as leaf blades with diameters greater than the seeds, which affects the screening effect.

[0005] In view of this, we propose a high-efficiency crop seed screening device. CONTENT OF THE INVENTION

[0006] 1. Technical problem to be solved

[0007] The purpose of the present application is to provide a high-efficiency crop seed screening device, which solves the technical problem that the existing crop seed screening device is easily blocked when a large amount of seeds is screened at one time, the screening pressure is large, repeated swinging and screening collisions can also damage the seed skin, and the impurities in the seeds have diameters greater than or smaller than the seeds, so single-layer filtering cannot screen out impurities such as leaf blades with diameters greater than the seeds, which affects the screening effect, and achieves the technical effect of quantitative seed screening and multi-layer automatic screening.

[0008] 2. Technical solution

[0009] The application provides a high-efficiency crop seed screening device, which comprises a base plate, a screening box is arranged at the top of the base plate through a buffer assembly, a plurality of layers of screening assemblies are arranged in the screening box, a first slag outlet and a second slag outlet are arranged on one side of the screening box, a third slag outlet is arranged on the other side of the screening box, a vibration motor is arranged at the bottom of the screening box, and a feeding chute is arranged on one side of the top of the base plate.

[0010] Preferably, the buffer assembly comprises movable rods fixedly arranged on the screening box, four sliding rods are slidably arranged at the top of the movable rods, buffer springs are sleeved outside the sliding rods and the movable rods, and the upper end and the lower end of the buffer springs are connected with the screening box and the base plate respectively.

[0011] Preferably, the plurality of layers of screening assemblies comprise a first screening plate, a second screening plate and a third screening plate, the second screening plate is arranged at the bottom of the first screening plate, and the third screening plate is arranged at the bottom of the second screening plate.

[0012] Preferably, the first screening plate and the second screening plate are both internally provided with screen holes, and the screen holes in the first screening plate are larger in diameter than the screen holes in the second screening plate.

[0013] Preferably, one end of the first screening plate, the second screening plate and the third screening plate is symmetrically provided with a flow guide plate.

[0014] Preferably, the first screening plate is connected with the first slag outlet on one side of the low part, the third screening plate is connected with the second slag outlet on one side of the low part, and the second screening plate is connected with the third slag outlet on one side of the low part.

[0015] Preferably, the first slag outlet, the second slag outlet and the third slag outlet are inclined downward, and the length of the first slag outlet is greater than that of the second slag outlet.

[0016] 3. Beneficial effects

[0017] One or more technical solutions provided in the embodiments of the application have at least the following technical effects or advantages:

[0018] (1) The application is provided with a quantitative assembly and a buffer assembly. The driving motor is started to drive the driving gear to rotate, which drives the auxiliary gear on one side to rotate through the rotation of the driving gear. The blanking disc rotates to discharge seeds into the screening box in equal amounts, which facilitates the dispersion screening of the multi-layer screening assembly and guarantees the screening quality. The vibration motor is started to drive the screening box to vibrate at high frequency, so that the buffer spring buffers the vibration, the sliding rod slides in the movable rod to assist the auxiliary screening box to slightly shake as a whole, and the effect of blanking and screening is accelerated.

[0019] (2) The application is provided with a multi-layer screening assembly, a first slag outlet, a second slag outlet and a third slag outlet. The first slag outlet and the second slag outlet are used for discharging impurities, and the third slag outlet is used for collecting seeds. The outlets are symmetrically arranged to facilitate the collection of seeds and impurities respectively, avoid the mixing and falling of seeds, the inclined screen holes are used for filtering large-diameter impurities in seeds by using the inertia of the weight of the seeds, the seeds fall into the secondary screening plate for secondary filtering, the impurities smaller than the seeds are discharged into the tertiary screening plate and are guided out at the corresponding outlets, and the guide plates ensure that the materials are discharged from the discharge port. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a first three-dimensional structure schematic view of the utility model;

[0021] Figure 2 It is a second three-dimensional structure schematic view of the utility model;

[0022] Figure 3 It is a three-dimensional structure schematic view of the multi-layer screening assembly of the utility model;

[0023] Figure 4 It is a three-dimensional structure schematic view of the quantitative assembly of the utility model;

[0024] Explanation of reference numerals in the drawing: 110, base plate; 111, screening box; 112, vibration motor; 113, first slag outlet; 114, second slag outlet; 115, third slag outlet; 120, multi-layer screening assembly; 121, secondary screening plate; 122, tertiary screening plate; 123, screen hole; 124, guide plate; 125, primary screening plate; 130, buffer assembly; 131, buffer spring; 132, movable rod; 133, sliding rod; 200, quantitative assembly; 210, feeding hopper; 211, circular shell; 212, support frame; 213, carrying plate; 214, driving motor; 215, driving gear; 216, auxiliary gear; 217, blanking disc. DETAILED DESCRIPTION

[0025] The application will be further described in detail in combination with the drawings of the specification.

[0026] Example one

[0027] Please refer to Figures 1-4 The utility model provides a kind of embodiment: high-efficiency crop seed screening device, including substrate 110, the substrate 110 top is equipped with screening box 111 by buffer assembly 130, the screening box 111 inside is equipped with multilayer screening subassembly 120, the screening box 111 one side is equipped with first slag outlet 113 and second slag outlet 114, and screening box 111 other side is equipped with third slag outlet 115, the screening box 111 bottom is equipped with vibration motor 112, the substrate 110 top one side is equipped with inlet chute;Quantitative component 200, the quantitative component 200 is extended and is arranged from screening box 111 two sides upwards, and the quantitative component 200 includes support frame 212, the support frame 212 bottom is connected with substrate 110, the support frame 212 top is equipped with circular shell 211, the circular shell 211 bottom is equipped with inlet hopper 210, wherein inlet hopper 210 surface is transparent material, the circular shell 211 inside is rotatably provided with discharging disc 217, the discharging disc 217 inside is equidistantly provided with arc slot, the discharging disc 217 center is connected with auxiliary gear 216 by shaft, and auxiliary gear 216 one side is engaged with driving gear 215, the driving gear 215 one end is equipped with driving motor 214, the support frame 212 one side is equipped with carrying plate 213, and driving motor 214 is fixedly installed on carrying plate 213,(reference Figure 4 ) driving motor 214 starts, drives driving gear 215 to rotate, one side auxiliary gear 216 is rotated by driving gear 215 rotation, and discharging disc 217 rotates, and seeds are equally discharged into screening box 111 inside, to facilitate multilayer screening subassembly 120 dispersed screening, guarantee the quality of screening.

[0028] Further, the buffer assembly 130 includes a movable rod 132 fixedly arranged on the screening box 111, four movable rods 132 top ends are slidably provided with sliding rods 133, the sliding rods 133 and movable rods 132 outer sides are sleeved with buffer springs 131, and the upper and lower ends of the buffer springs 131 are connected with the screening box 111 and the substrate 110 respectively.(reference Figure 1 ) vibration motor 112 starts, can drive screening box 111 to carry out high-frequency vibration, so that buffer spring 131 buffers vibration, sliding rod 133 slides in movable rod 132 to assist, auxiliary screening box 111 whole slightly shakes, accelerates the effect of discharging screening.

[0029] Further, the multi-layer screening assembly 120 includes a first screening plate 125, a second screening plate 121, and a third screening plate 122, the bottom end of the first screening plate 125 is provided with the second screening plate 121, and the bottom end of the second screening plate 121 is provided with the third screening plate 122, the inside of the first screening plate 125 and the second screening plate 121 is provided with a sieve hole 123, and the diameter of the sieve hole 123 in the first screening plate 125 is greater than that in the second screening plate 121, the multi-layer screening assembly 120 presents an inclined Z-shaped type, one end of the first screening plate 125, the second screening plate 121, and the third screening plate 122 is provided with a guide plate 124 in a symmetrical manner, one side of the low part of the first screening plate 125 is connected with a first slag outlet 113, one side of the low part of the third screening plate 122 is connected with a second slag outlet 114, and one side of the low part of the second screening plate 121 is connected with a third slag outlet 115. Figure 3 The inclined arrangement of the sieve hole 123 filters the large-diameter impurities in the seeds by using the inertia of the weight of the seeds, the seeds fall into the second screening plate 121 for secondary filtering, the impurities smaller than the seeds are discharged into the third screening plate 122, and are respectively guided out at the corresponding outlets, and the guide plate 124 ensures that the material can be discharged from the discharge port.

[0030] Further, the first slag outlet 113, the second slag outlet 114, and the third slag outlet 115 are inclined downward, and the length of the first slag outlet 113 is greater than that of the second slag outlet 114. Figure 1 and 2 The first slag outlet 113 and the second slag outlet 114 are used for discharging impurities, and the third slag outlet 115 is used for collecting seeds, the outlets are arranged in a symmetrical manner, which facilitates the collection of seeds and impurities respectively, and avoids the mixing of seeds.

[0031] In summary, in the use of the high-efficiency crop seed screening device, the driving motor 214 is started, the driving gear 215 is rotated, one side of the auxiliary gear 216 is rotated by the rotation of the driving gear 215, the feeding disc 217 is rotated, and the seeds are discharged into the screening box 111 in an equal amount, which facilitates the dispersion screening of the multi-layer screening assembly 120 and ensures the quality of screening. The vibration motor 112 is started, which can drive the screening box 111 to vibrate at a high frequency, the buffer spring 131 buffers the vibration, the sliding rod 133 slides in the movable rod 132 to assist the screening box 111 to slightly shake as a whole, and the effect of discharging and screening is accelerated.

[0032] The first slag outlet 113 and the second slag outlet 114 are used for discharging impurities, and the third slag outlet 115 is used for collecting seeds, the outlets are symmetrically arranged, so that the seeds and the impurities can be respectively collected, the seeds are prevented from mixing and falling, the screen holes 123 are obliquely arranged and are used for filtering large-diameter impurities in the seeds by using inertia of the seeds, the seeds fall into the secondary screening plate 121 and are filtered again, the impurities smaller than the seeds are discharged into the tertiary screening plate 122 and are guided out at corresponding outlets, and the guide plates 124 ensure that the materials can be discharged from the outlets.

[0033] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, the circuit connection adopts the conventional connection mode in the prior art, and details are not described herein, and the contents not described in detail in the description belong to the prior art known by the person skilled in the art.

[0034] Although the utility model is described in detail with reference to the foregoing embodiments, the technical solutions recorded in the foregoing embodiments can be modified or some technical features can be replaced by equivalents for the person skilled in the art, and any modification, equivalent replacement, improvement and the like within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A high-efficiency crop seed screening device, characterized in that: Include A substrate (110) has a screening box (111) at its top via a buffer assembly (130). The screening box (111) is equipped with a multi-layer screening assembly (120). The screening box (111) has a first slag outlet (113) and a second slag outlet (114) on one side and a third slag outlet (115) on the other side. The screening box (111) is equipped with a vibration motor (112) at its bottom and a feed trough on one side of the top of the substrate (110). A quantitative component (200) extends upward from both sides of the screening box (111). The quantitative component (200) includes a support frame (212), the bottom of which is connected to the substrate (110). A circular shell (211) is disposed above the support frame (212), and a feed hopper (210) is disposed at the bottom of the circular shell (211). The surface of the feed hopper (210) is made of transparent material. The interior of the circular shell (211) rotates... The device is equipped with a feeding tray (217), and the feeding tray (217) has arc-shaped grooves equidistantly arranged inside. An auxiliary gear (216) is connected to the center of the feeding tray (217) via a shaft, and a drive gear (215) meshes with one side of the auxiliary gear (216). A drive motor (214) is provided at one end of the drive gear (215), and a mounting plate (213) is provided on one side of the support frame (212). The drive motor (214) is fixedly mounted on the mounting plate (213).

2. The high-efficiency crop seed screening device according to claim 1, characterized in that: The buffer assembly (130) includes movable rods (132) fixedly mounted on the screening box (111). Sliding rods (133) are slidably mounted on the top ends of the four movable rods (132). Buffer springs (131) are sleeved on the outer sides of the sliding rods (133) and the movable rods (132), and the upper and lower ends of the buffer springs (131) are connected to the screening box (111) and the base plate (110) respectively.

3. The high-efficiency crop seed screening device according to claim 1, characterized in that: The multi-layer sieving assembly (120) includes a primary sieving plate (125), a secondary sieving plate (121), and a tertiary sieving plate (122). The primary sieving plate (125) has a secondary sieving plate (121) at its bottom end, and the secondary sieving plate (121) has a tertiary sieving plate (122) at its bottom end.

4. The high-efficiency crop seed screening device according to claim 3, characterized in that: Both the primary sieve plate (125) and the secondary sieve plate (121) are provided with sieve holes (123), and the diameter of the sieve holes (123) inside the primary sieve plate (125) is larger than the diameter of the sieve holes (123) inside the secondary sieve plate (121).

5. The high-efficiency crop seed screening device according to claim 1, characterized in that: The multi-layer screening component (120) is shaped like an inclined Z.

6. The high-efficiency crop seed screening device according to claim 3, characterized in that: Each of the primary screening plate (125), the secondary screening plate (121), and the tertiary screening plate (122) has a guide plate (124) symmetrically arranged at one end.

7. The high-efficiency crop seed screening device according to claim 3, characterized in that: The first slag outlet (113) is connected to the lower side of the first-stage screening plate (125), the second slag outlet (114) is connected to the lower side of the third-stage screening plate (122), and the third slag outlet (115) is connected to the lower side of the second-stage screening plate (121).

8. The high-efficiency crop seed screening device according to claim 1, characterized in that: The first slag outlet (113), the second slag outlet (114) and the third slag outlet (115) are inclined downwards, wherein the length of the first slag outlet (113) is greater than that of the second slag outlet (114).

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