Corn seed test classification screening machine

Abstract

The utility model provides a corn seed test classification screening machine, relates to corn test seed screening field, include: corn seed screening machine and screening frame, the inside wall of corn seed screening machine is in sliding connection with the screening frame, the inside frame surface of the screening frame is screwed with a first sieve plate, a second sieve plate and a third sieve plate, and the first sieve plate, the second sieve plate and the third sieve plate are in threaded connection. A material blocking plate is hinged to the frame face of the right side end of the screening frame, a first screening plate, a second screening plate and a third screening plate are tightly attached to the left side face of the material blocking plate, a driving plate is embedded and attached to the inner frame face of the screening frame, a silica gel material pushing plate is bonded to the right side plate face of the driving plate, and a pull rod is welded to the right side end of the driving plate. The utility model solves the problem that in the prior art, when corn seeds screened by grading are discharged through threaded blades, the blades are easy to damage the corn seeds and influence the normal germination of the test seeds.

Description

Technical Field

[0001] The utility model relates to the field of corn test seed screening, in particular to a corn seed test grading and screening machine. Background Art

[0002] Before conducting a corn seed test, the corn seeds to be used need to be graded and screened to obtain seeds of suitable size for sowing, cultivation, and observation. After searching, the prior art (application number: CN202320173986.7) records that "through the cooperation of the set feed plate and the sieve plate, the small particle impurities in the corn seeds can be screened through the top sieve plate, and the small particle impurities are collected through the feed plate and enter the interior of the fixed cylinder through the feed hole, and then the servo motor is started to control the first fixed rod to drive the threaded blade to rotate, so that the small particle impurities can be discharged and the use effect can be improved." However, when the corn seeds graded and screened in the prior art are discharged through the threaded blades, the blades are easily damaged by the corn seeds, affecting the normal germination of the test seeds. Utility Model Content

[0003] In order to overcome the defects of the prior art, a corn seed test grading and screening machine is now provided to solve the problem that when the corn seeds graded and screened in the prior art are discharged through the threaded blades, the blades are easily damaged by the corn seeds, affecting the normal germination of the test seeds.

[0004] In order to achieve the above object, a corn seed test grading and screening machine is provided, comprising: a corn seed screening machine and a screening frame, wherein the inner side wall of the corn seed screening machine is slidably connected to the screening frame,

[0005] The first sieve plate, the second sieve plate and the third sieve plate are screwed onto the inner frame surface of the screening frame, a blocking plate is hingedly connected to the right end frame surface of the screening frame, the first sieve plate, the second sieve plate and the third sieve plate are respectively tightly attached to the left side of the blocking plate, a driving plate is embedded in and attached to the inner frame surface of the screening frame, a silicone pushing plate is bonded to the right side plate surface of the driving plate, and a pull rod is welded to the right end of the driving plate.

[0006] Furthermore, a feed port is provided on the upper end surface of the corn seed screening machine, and the upper and lower ends of the screening frame are connected to the inner wall of the corn seed screening machine through elastic supports.

[0007] Furthermore, a waste port is provided on the lower end surface of the corn seed screening machine, and a discharge door is installed on the right side of the corn seed screening machine; and the right side of the blocking plate is in close contact with the discharge door.

[0008] Furthermore, a dust suction mesh opening is provided on the rear cavity wall of the corn seed screening machine, and the dust suction mesh opening is connected to a vacuum cleaner through a dust suction pipe; and the dust suction mesh opening is located at the rear side of the corn seed screening machine.

[0009] Furthermore, a vibration motor is installed on the left side of the screening frame, and silicone pusher plates are distributed and attached to the upper surfaces of the first screen plate, the second screen plate and the third screen plate.

[0010] Furthermore, a ventilation mesh opening is provided on the rear side frame surface of the screening frame, and a pull rod is inlaid and attached to the left side surface of the blocking plate.

[0011] Furthermore, the screening frame, the blocking plate, the silicone pushing plate, the driving plate and the pull rod constitute a push-pull type graded material unloading structure.

[0012] The beneficial effect of the utility model lies in that the corn seed test grading and screening machine of the utility model utilizes the blocking plate hinged on the side end of each group of sieve plates of the screening frame to control the entry and exit of the seeds after screening, and through the external pulling driving plate, the silicone pushing plate pushes the corn seeds on the sieve plate to move and discharge, so that the grading and screening machine has the function of pushing and pulling the feeding, thereby preventing the corn seeds being graded and screened from being damaged, improving the screening quality of the corn seeds used for the test, and effectively avoiding the mixing of the corn seeds after the graded and screened. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a front view cross-sectional structural schematic diagram of a corn seed testing and grading screening machine according to an embodiment of the utility model.

[0014] Figure 2 It is a side structural schematic diagram of a corn seed testing grading and screening machine according to an embodiment of the utility model.

[0015] Figure 3 It is a schematic diagram of the front cross-sectional structure of the screening frame according to an embodiment of the utility model.

[0016] Figure 4 It is a schematic diagram of the corrosion structure of the screening frame according to an embodiment of the utility model.

[0017] In the figure: 1. Corn seed screening machine; 11. Feed inlet; 12. Elastic support; 13. Waste outlet; 14. Dust suction net outlet; 2. Screening frame; 21. Vibration motor; 22. First sieve plate; 23. Second sieve plate; 24. Third sieve plate; 25. Ventilation net outlet; 26. Blocking plate; 3. Discharge door; 4. Vacuum cleaner; 41. Dust suction pipe; 5. Silicone push plate; 51. Drive plate; 52. Pull rod. DETAILED DESCRIPTION

[0018] Reference Figures 1 to 4 As shown, the utility model provides a corn seed test grading screening machine, comprising: a corn seed screening machine 1 and a screening frame 2, wherein the inner side wall of the corn seed screening machine 1 is slidably connected to the screening frame 2.

[0019] The first sieve plate 22, the second sieve plate 23 and the third sieve plate 24 are screwedly installed on the inner frame surface of the screening frame 2, and a blocking plate 26 is hingedly connected to the right end frame surface of the screening frame 2. The left sides of the blocking plate 26 are respectively tightly attached to the first sieve plate 22, the second sieve plate 23 and the third sieve plate 24, and a driving plate 51 is embedded and attached to the inner frame surface of the screening frame 2. A silicone pushing plate 5 is bonded to the right side plate surface of the driving plate 51, and a pull rod 52 is welded to the right end of the driving plate 51.

[0020] First, pour the corn seeds into the corn seed screening machine 1, open the screening frame 2 for vibration screening, and after the corn seeds are graded and screened, open the discharge door 3, pull out a group of blocking plates 26 at the side ends of the screen plates, and then pull out the pull rod 52 at the blocking plate 26 to move the silicone push plate 5 to the right, so that the silicone push plate 5 pushes the seeds on the current screen plate to roll and move out to the right, thereby taking out the screened corn seeds.

[0021] In this embodiment, the upper end surface of the corn seed screening machine 1 is provided with a feed port 11, and the upper and lower ends of the screening frame 2 are connected to the inner wall of the corn seed screening machine 1 through elastic pillars 12. The lower end surface of the corn seed screening machine 1 is provided with a waste port 13, and the right side surface of the corn seed screening machine 1 is installed with a discharge door 3; and the right side surface of the blocking plate 26 is in close contact with the discharge door 3.

[0022] As a preferred embodiment, the feed inlet 11 facilitates the corn seeds to be poured into the corn seed screening machine 1 for screening. The discharge door 3 facilitates the discharge of corn seeds from the screening frame 2 screen plate, and the closed discharge door 3 facilitates the blocking plate 26 and the silica gel push plate 5 to be pressed against the side of the screen plate and the inner frame of the screening frame 2.

[0023] In this embodiment, a dust suction mesh opening 14 is opened on the rear cavity wall of the corn seed screening machine 1 , and the dust suction mesh opening 14 is connected to the vacuum cleaner 4 through a dust suction pipe 41 ; and the dust suction mesh opening 14 is located at the rear side of the corn seed screening machine 1 .

[0024] As a preferred embodiment, the dust suction mesh port 14 facilitates the dust generated during screening to be sucked into the vacuum cleaner 4 through the dust suction pipe 41, thereby reducing the dust from being blown out.

[0025] In this embodiment, a vibration motor 21 is installed on the left side of the screening frame 2, and silicone pusher plates 5 are distributed and attached to the upper surfaces of the first screen plate 22, the second screen plate 23 and the third screen plate 24. A ventilation mesh port 25 is provided on the rear side of the screening frame 2, and a pull rod 52 is inlaid and attached to the left side of the blocking plate 26.

[0026] As a preferred embodiment, the vibration motor 21 is convenient for driving the screening frame 2 to vibrate up and down, so that the corn seeds are screened through the multi-stage screen. The pull rod 52 is convenient for pulling the silicone push plate 5 outward, so that the inclined silicone push plate 5 pushes the corn seeds to the right, and the silicone material of the silicone push plate 5 has good flexibility, which can avoid damaging the corn seeds when pushing.

[0027] In this embodiment, the screening frame 2, the blocking plate 26, the silica gel pushing plate 5, the driving plate 51 and the pull rod 52 constitute a push-pull type graded material unloading structure.

[0028] As a preferred implementation method, the push-pull type graded feeding structure reduces the scratches on corn seeds, prevents the graded and screened corn seeds from being damaged, improves the screening quality of the corn seeds used in the experiment, and effectively avoids the mixing of the graded and screened corn seeds.

[0029] The utility model can effectively solve the problem that the spiral blades can easily damage the corn seeds and affect the normal germination of the test seeds. The utility model has the function of pushing and pulling the feeding of the corn seeds, thereby preventing the corn seeds being graded and screened from being damaged, improving the screening quality of the corn seeds used for the test, and effectively avoiding the mixing of the corn seeds after the graded and screened materials. The utility model is suitable for the corn seed test grading and screening machine.

Claims

1. A corn seed test grading and screening machine, comprising: A corn seed screening machine (1) and a screening frame (2), wherein the inner wall of the corn seed screening machine (1) is slidably connected to the screening frame (2), and is characterized in that: The inner frame surface of the screening frame (2) is screwed with a first sieve plate (22), a second sieve plate (23) and a third sieve plate (24); the right end frame surface of the screening frame (2) is hinged with a blocking plate (26); the left side of the blocking plate (26) is respectively closely attached to the first sieve plate (22), the second sieve plate (23) and the third sieve plate (24); the inner frame surface of the screening frame (2) is embedded with a driving plate (51); the right side plate surface of the driving plate (51) is bonded with a silicone push plate (5); and the right end of the driving plate (51) is welded with a pull rod (52).

2. A corn seed test grading and screening machine according to claim 1, characterized in that: The upper end surface of the corn seed screening machine (1) is provided with a feed port (11), and the upper and lower ends of the screening frame (2) are connected to the inner wall of the corn seed screening machine (1) via elastic supports (12).

3. A corn seed test grading and screening machine according to claim 1, characterized in that: The lower end surface of the corn seed screening machine (1) is provided with a waste material opening (13), and the right side surface of the corn seed screening machine (1) is provided with a discharge door (3); and the right side surface of the blocking plate (26) is in close contact with the discharge door (3).

4. A corn seed test grading and screening machine according to claim 1, characterized in that: The rear cavity wall of the corn seed screening machine (1) is provided with a dust suction net opening (14), and the dust suction net opening (14) is connected to a dust collector (4) via a dust suction pipe (41); and the dust suction net opening (14) is located at the rear side of the corn seed screening machine (1).

5. A corn seed test grading and screening machine according to claim 1, characterized in that: A vibration motor (21) is installed on the left side of the screening frame (2), and silicone pusher plates (5) are distributed and bonded to the upper surfaces of the first screen plate (22), the second screen plate (23) and the third screen plate (24).

6. A corn seed test grading and screening machine according to claim 1, characterized in that: The rear side frame surface of the screening frame (2) is provided with a ventilation mesh opening (25), and the left side surface of the blocking plate (26) is inlaid with a pull rod (52).

7. A corn seed test grading and screening machine according to claim 1, characterized in that: The screening frame (2), the blocking plate (26), the silica gel pushing plate (5), the driving plate (51) and the pull rod (52) constitute a push-pull type graded material unloading structure.

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