Seed screening machine

Abstract

The utility model discloses a seed screening machine which comprises a screening frame, a screening plate and a baffle, the front side of the screening frame inclines downwards, the screening plate is arranged in the screening frame in an up-down sliding mode, the baffle is rotationally arranged on the front side of the screening frame, and the seed screening machine further comprises an adjusting plate, a staying plate and a cleaning brush. The adjusting plate is arranged in the sieve plate in a left-right sliding mode. According to the seed screening machine, the adjusting plate moves left and right through the adjusting assembly, so that seeds can pass through the staggered and crossed positions of the screen holes in the upper side and the lower side, the sizes of the screen holes are changed, the seeds of different varieties can be screened, and the practicability of the screening machine is improved; and after screening is completed, the driving assembly is used for driving the cleaning brush to clean the screening plate, and the situation that the seeds are clamped into screening holes, and the screening efficiency is affected is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to traditional Chinese medicine planting technical field especially, relates to a seed screening machine. BACKGROUND

[0002] In order to improve the quality of seeds, usually need to select seeds, to remove the not full seed, small particle seed, keep big particle seed. At present, most of the artificial selection or with sieve screening, time -consuming and labor -intensive, not suitable for large -scale industrial production.

[0003] Chinese patent, a kind of seed screening machine, announcement number is: CN219850742U, screen is inclined arrangement, drive assembly can drive screen up and down vibration, under the action of gravity, seed left on screen will fall into second receiving box through second discharge port, to complete automatic cleaning, reduce the labor intensity of staff, improve the use efficiency of screening machine, but the screen hole on screen is fixed size, only facilitate to one kind of seed screening, the size of screen hole is not convenient to adjust, if want to classify seeds, need to change into other equipment, therefore, a kind of seed screening machine is presented to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model provides a kind of seed screening machine, including screening frame, sieve plate and baffle, the front side of the screening frame is inclined towards downside, the sieve plate is slidably arranged in the inside of the screening frame, the baffle is rotationally arranged in the front side of the screening frame, still include adjusting plate, stay plate and cleaning brush, the adjusting plate is slidably arranged in the sieve plate, the stay plate is connected to the inner wall of the screening frame, and located in the rear side of the sieve plate, the cleaning brush is slidably arranged at the top of the stay plate, the right side of the screening frame is provided with drive component that the cleaning brush moves forward and backward, the inside of the sieve plate is provided with adjusting component that the left and right positions of the adjusting plate are adjusted, the inside of the screening frame is provided with shaking mechanism that the sieve plate is continuously shaken up and down.

[0005] Preferably, the top of the adjusting plate is in contact with the top wall of the sieve plate, and the bottom end of the sieve plate and the bottom end of the screening frame are both provided with a discharge slot.

[0006] Preferably, the adjusting component includes a first rotating rod, a fixed plate, a first threaded rod and two bevel gears, the fixed plate is fixedly connected to the inside of the sieve plate, the first threaded rod is rotatably connected to the right side wall of the sieve plate and extends to the left side of the fixed plate, the first rotating rod is rotatably arranged on the sieve plate and extends to the inside thereof, the two bevel gears are coaxially fixedly sleeved on the first rotating rod and the threaded rod respectively and are engaged with each other, and the adjusting plate is threadedly connected with the first threaded rod.

[0007] Preferably, the driving assembly comprises a driving frame, a first motor, a second threaded rod and a moving plate, the driving frame is connected to the right side of the screening frame, the first motor is arranged on the rear side of the driving frame, one end of the second threaded rod is coaxially connected with the output shaft of the first motor, and the other end is rotationally connected with the front side wall of the driving frame, the moving plate is threadedly connected with the second threaded rod and extends into the screening frame, and the cleaning brush is connected to the bottom end of the moving plate.

[0008] Preferably, the shaking mechanism comprises a second motor, a second rotating rod, a cam, an extension rod and a spring, the second motor is arranged on the right side of the screening frame, one end of the second rotating rod is coaxially connected with the output shaft of the second motor, and the other end is rotationally connected with the left side wall of the screening frame, the cam is coaxially fixedly sleeved on the second rotating rod, the extension rod is connected between the bottom end of the screen plate and the bottom wall of the screening frame, and the spring is sleeved on the outside of the extension rod and connected between the bottom end of the screen plate and the bottom wall of the screening frame.

[0009] Preferably, a first collecting hopper is arranged below the baffle, and a second collecting hopper is arranged at the bottom end of the screening frame.

[0010] Compared with the prior art, the seed screening machine has the following beneficial effects:

[0011] By using the adjusting assembly, the adjusting plate moves left and right, the screen holes on the upper and lower sides are staggered, the intersection can allow the seeds to pass through, the size of the screen hole is changed, different varieties of seeds can be screened, and the practicability of the screening machine is improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] The drawings are used to provide a further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with the embodiments of the present application, and do not constitute a limitation on the present application.

[0013] In the drawings:

[0014] Figure 1 A seed screening machine is provided for the present application;

[0015] Figure 2 A seed screening machine adjusting plate is provided for the present application;

[0016] Figure 3 A seed screening machine is provided for the present application;

[0017] Figure 4 A place amplification view of the seed screening machine is provided in the utility model;

[0018] 1, screening frame;2, sieve plate;21, adjusting plate;3, stay plate;4, cleaning brush;51, drive frame;52, first motor;53, second threaded rod;54, moving plate;61, first rotating rod;62, fixed plate;63, first threaded rod;64, bevel gear;71, second motor;72, second rotating rod;73, cam;74, telescopic rod;75, spring;8, baffle;9, first material collecting hopper;10, second material collecting hopper. DETAILED DESCRIPTION

[0019] The preferred embodiments of the present application are described below with reference to the accompanying drawings, and it should be understood that the preferred embodiments described herein are only used to illustrate and explain the present application, and not to limit the present application.

[0020] In the description of the present application, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as limiting the devices or elements indicated or implied to have a particular orientation, to be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application;The terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance;In addition, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected;It can be mechanical connection, or electrical connection;It can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements inside. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0021] As Figures 1-4 shown, the utility model provides a kind of seed screening machine, screening frame 1, sieve plate 2 and baffle 8, the front side of screening frame 1 is inclined downward, sieve plate 2 is slidably arranged in the inside of screening frame 1, baffle 8 is rotationally arranged in the front side of screening frame 1, it is characterized in that, still include adjusting plate 21, stay plate 3 and cleaning brush 4, adjusting plate 21 is slidably arranged in sieve plate 2, stay plate 3 is connected to the inner wall of screening frame 1, and is located in the rear side of sieve plate 2, cleaning brush 4 is slidably arranged in the top end of stay plate 3, the right side of screening frame 1 is provided with drive assembly for driving cleaning brush 4 to move forward and backward, the inside of sieve plate 2 is provided with adjusting assembly for adjusting the left and right positions of adjusting plate 21, the inside of screening frame 1 is provided with shaking mechanism for driving sieve plate 2 to shake constantly up and down.

[0022] The utility model discloses, the sieve frame 1 is inclined, and the adjusting plate 21 is set up in the inside of sieve plate 2, the space in the inside of sieve plate 2 can make adjusting plate 21 move left and right, the sieve hole size of being set up on sieve plate 2 and adjusting plate 21 is same, and the top of adjusting plate 21 is attached with the top wall of sieve plate 2, when the sieve hole of two coincides, and the seed is screened from the sieve hole, makes adjusting plate 21 move left and right through using adjusting assembly, makes the sieve hole of two sides up and down staggered, and the place of intersection can make the seed pass, so as to change the size of sieve hole, and the seed is screened for different, the seed is screened through using the shaking mechanism drive sieve plate 2 constantly up and down shake, and the cleaning brush 4 is used to drive cleaning to sieve plate 2 after screening is completed, prevents the seed from being stuck in the sieve hole.

[0023] In an alternative embodiment, the top end of the adjusting plate 21 is in contact with the top wall of the sieve plate 2, and the bottom end of the sieve plate 2 and the bottom end of the sieve frame 1 are both provided with a discharge slot.

[0024] In an alternative embodiment, the adjusting assembly includes a first rotating rod 61, a fixed plate 62, a first threaded rod 63, and two bevel gears 64. The fixed plate 62 is fixedly connected to the inside of the sieve plate 2. The first threaded rod 63 is rotatably connected to the right side wall of the sieve plate 2 and extends to the left side of the fixed plate 62. The first rotating rod 61 is rotatably arranged on the sieve plate 2 and extends to the inside thereof. The two bevel gears 64 are coaxially fixedly sleeved on the first rotating rod 61 and the threaded rod 63, respectively, and are engaged with each other. The adjusting plate 21 is threadedly connected with the first threaded rod 63.

[0025] It should be noted that when adjusting the adjusting plate 21, the first rotating rod 61 is first twisted, and the first threaded rod 63 is driven to rotate by the two bevel gears 64 engaged with each other, so as to move the adjusting plate 21.

[0026] In an alternative embodiment, the driving assembly includes a driving frame 51, a first motor 52, a second threaded rod 53, and a moving plate 54. The driving frame 51 is connected to the right side of the sieve frame 1. The first motor 52 is arranged on the rear side of the driving frame 51. One end of the second threaded rod 53 is coaxially connected with the output shaft of the first motor 52, and the other end is rotatably connected with the front side wall of the driving frame 51. The moving plate 54 is threadedly connected with the second threaded rod 53 and extends into the sieve frame 1. The cleaning brush 4 is connected to the bottom end of the moving plate 54.

[0027] It should be noted that when driving the cleaning brush 4 to move, the motor 52 is first started to drive the second threaded rod 53 to rotate, so that the moving plate 54 drives the cleaning brush 4 to move, thereby cleaning the sieve plate 2.

[0028] In an alternative embodiment, the shaking mechanism comprises a second motor 71, a second rotating rod 72, a cam 73, an extension rod 74 and a spring 75, the second motor 71 is arranged on the right side of the screening frame 1, one end of the second rotating rod 72 is coaxially connected with the output shaft of the second motor 71, and the other end is rotationally connected with the left side wall of the screening frame 1, the cam 73 is coaxially fixedly sleeved on the second rotating rod 72, the extension rod 74 is connected between the bottom end of the screen plate 2 and the bottom wall of the screening frame 1, and the spring 75 is sleeved on the outer side of the extension rod 74 and connected between the bottom end of the screen plate 2 and the bottom wall of the screening frame 1.

[0029] It should be noted that when shaking, the second motor 71 is started to drive the second rotating rod 72 to rotate, driving the cam 73 to rotate, and the protrusions of the cam 73 continuously push the screen plate 2 upward, and then lower it, making linear reciprocating motion.

[0030] In an alternative embodiment, a first collecting hopper 9 is arranged below the baffle 8, and a second collecting hopper 10 is arranged at the bottom end of the screening frame 1.

[0031] It should be noted that by arranging the first collecting hopper 9 and the second collecting hopper 10, the seeds passing through the screen holes and the seeds not passing through the screen holes can be classified and collected.

[0032] Finally, it should be noted that the above description is only a preferred embodiment of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or equivalently replace some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A seed screening machine comprising a screening frame (1), a screening plate (2) and a baffle (8), the front side of the screening frame (1) is downwardly inclined, the screening plate (2) is slidingly arranged inside the screening frame (1) in up and down directions, and the baffle (8) is rotatably arranged on the front side of the screening frame (1), characterized in that, Also include the adjusting plate (21), the stay plate (3) and the cleaning brush (4), the adjusting plate (21) left and right slidingly arranged in the screen plate (2), the stay plate (3) is connected to the inner wall of the screening frame (1), and is located at the rear side of the screen plate (2), the cleaning brush (4) is slidingly arranged at the top end of the stay plate (3), the right side of the screening frame (1) is provided with a drive assembly for driving the cleaning brush (4) to move forward and backward, the inside of the screen plate (2) is provided with an adjusting assembly for adjusting the left and right positions of the adjusting plate (21), the inside of the screening frame (1) is provided with a shaking mechanism for driving the screen plate (2) to shake up and down continuously.

2. A seed grader according to claim 1, characterised in that The top end of the adjusting plate (21) is in contact with the top wall of the screen plate (2), and the bottom end of the screen plate (2) and the bottom end of the screening frame (1) are both provided with a discharge slot.

3. A seed grader according to claim 1, wherein, The adjusting assembly comprises a first rotating rod (61), a fixed plate (62), a first threaded rod (63) and two conical gears (64), the fixed plate (62) is fixedly connected to the inside of the screen plate (2), the first threaded rod (63) is rotatably connected to the right side wall of the screen plate (2) and extends to the left side of the fixed plate (62), the first rotating rod (61) is rotatably arranged on the screen plate (2) and extends to the inside thereof, two conical gears (64) are coaxially fixedly sleeved on the first rotating rod (61) and the threaded rod (63) respectively, and are engaged with each other, and the adjusting plate (21) is threadedly connected with the first threaded rod (63).

4. A seed grader according to claim 1, wherein, The drive assembly comprises a drive frame (51), a first motor (52), a second threaded rod (53) and a moving plate (54), the drive frame (51) is connected to the right side of the screening frame (1), the first motor (52) is arranged at the rear side of the drive frame (51), one end of the second threaded rod (53) is coaxially connected with the output shaft of the first motor (52), and the other end is rotatably connected with the front side wall of the drive frame (51), the moving plate (54) is threadedly connected with the second threaded rod (53) and extends into the screening frame (1), and the cleaning brush (4) is connected to the bottom end of the moving plate (54).

5. A seed grader according to claim 1 wherein, The shaking mechanism comprises a second motor (71), a second rotating rod (72), a cam (73), a telescopic rod (74) and a spring (75), the second motor (71) is arranged at the right side of the screening frame (1), one end of the second rotating rod (72) is coaxially connected with the output shaft of the second motor (71), and the other end is rotatably connected with the left side wall of the screening frame (1), the cam (73) is coaxially fixedly sleeved on the second rotating rod (72), the telescopic rod (74) is connected between the bottom end of the screen plate (2) and the bottom wall of the screening frame (1), and the spring (75) is sleeved on the outside of the telescopic rod (74) and connected between the bottom end of the screen plate (2) and the bottom wall of the screening frame (1).

6. A seed grader according to claim 1 wherein, A first collecting hopper (9) is arranged below the baffle (8), and a second collecting hopper (10) is arranged at the bottom end of the screening frame (1).

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