Primary screening structure for agricultural production seeds

Abstract

The utility model relates to the technical field of seed primary screening, in particular to an agricultural production seed primary screening structure which comprises a screening cylinder, a rotating hole is formed in the bottom end of the screening cylinder, a rotating rod inserted into the screening cylinder rotationally penetrates through the interior of the rotating hole, and a servo motor is installed at the bottom end of the rotating rod. And a screening plate is mounted on the surface of the rotating rod. The seed screening device has the beneficial effects that seeds are poured into the screening barrel and fall on the surface of the uppermost screening plate, the three screening plates which continuously do forward and reverse reciprocating rotation conduct multiple times of screening on the seeds, and the screening degree of the seeds is improved; and the screening plate is convenient to disassemble, assemble, replace and maintain, so that the screening plate with screening holes of different diameters can be used for screening seeds of different diameters, and the screening plate and the rotating rod in the screening cylinder are convenient to disassemble, replace and maintain.

Description

TECHNICAL FIELD

[0001] The utility model relates to the seed initial screening technical field especially relates to an agricultural production seed initial screening structure. BACKGROUND

[0002] Agricultural seeding needs a large number of high-quality seeds, but there are many unsaturated seeds in the seeds, and there are also some impurities, which can cause damage to the seeding machine during the seeding process, and unsaturated seeds can also reduce yield, so the seeds need to be screened by an initial screening device.

[0003] The seed selection machine is a machine integrated on a walking wheel, which can be fixed for operation and towed for mobile operation, and includes the agricultural production seed initial screening process for the preliminary screening of agricultural production seeds.

[0004] Therefore, an agricultural production seed initial screening structure is provided.

[0005] For example, the prior art Chinese patent publication No. "CN220126842U" provides an agricultural production seed initial screening structure, which includes a screening box, a screening groove opened between the upper and lower side walls of the screening box, two support rods fixedly connected to the side walls below the screening box, a base fixedly connected to the bottom wall of the two support rods, an active groove opened in the middle of each of the two inner side walls of the screening groove, and a winding drum provided around the opening of the upper part of the screening groove.

[0006] The device is provided with a shaking seed screening mechanism, i.e. an active groove is opened in the middle of each of the two inner side walls of the screening groove, and the same screening mechanism is slidingly installed in the middle of the two active grooves. The screening mechanism is provided with a traction mechanism composed of a winding drum and a traction rope above the screening mechanism, which can drive the screening mechanism to shake in the active groove. The screened agricultural production seeds are not easy to cause the screen mesh of the seed screening structure to be blocked, thereby ensuring the efficiency of the agricultural production seed initial screening work.

[0007] The existing agricultural production seed initial screening structure has the following problems: the number of screening times for the seeds is small, the seeds cannot be screened multiple times, and the screening structure for screening the seeds is fixed, which is not convenient for disassembling and replacing the screening plate with different diameters of screening holes. INVENTION CONTENTS

[0008] The utility model aims at solving the problem of the prior art that the number of screening times for the seeds is small and the seeds cannot be screened multiple times, and provides an agricultural production seed initial screening structure.

[0009] To achieve the above object, the utility model provides the following technical scheme:

[0010] The utility model designs an agricultural production seed preliminary screening structure, including the screen cylinder, the bottom end of screen cylinder is opened the rotation hole, the inside rotation of rotation hole is inserted the rotation rod in the inside of screen cylinder, the bottom end of rotation rod is installed the servo motor, the surface of rotation rod is installed the screening board, the surface of screening board is opened the screening hole evenly, the surface of screening board is fixed with the scraping strip, the top end of rotation rod and located the position of the top end of screen cylinder installs the limit frame, the surface of rotation rod and located the position of the top end of limit frame is connected with the limit nut, the side of screen cylinder and located the position of the top end of screening board edge is connected with the discharge pipe, the inside of discharge pipe is inserted with the tight plug.

[0011] Further, the top end of the screening board is fixed with a first connecting ring, the inside of the screening board is installed with a second connecting ring, the first connecting ring and the second connecting ring are both circular ring structures, and are both horizontally arranged and aligned up and down, a fixed rod is fixed between the outside of the second connecting ring and the inside edge of the screening board, and the fixed rod is horizontally arranged, and the rotating rod slides through the first connecting ring and the second connecting ring.

[0012] Further, the surface of the first connecting ring is provided with a first connecting hole, the surface of the second connecting ring is provided with a second connecting hole, the surface of the rotating rod is provided with a third connecting hole and a fourth connecting hole, the first connecting hole is aligned with the third connecting hole, and a first connecting rod is inserted through the first connecting hole, the two ends of the first connecting rod are connected with a first fastening nut at the outer end of the first connecting hole, the second connecting hole is aligned with the fourth connecting hole, and a second connecting rod is inserted through the second connecting hole, the two ends of the second connecting rod are connected with a second fastening nut at the outer end of the second connecting hole.

[0013] Further, the middle of the limit frame is provided with a limiting hole, the rotating rod slides through the limiting hole, the outer end of the limit frame is provided with a fifth connecting hole, the top end of the screen cylinder is provided with a sixth connecting hole, and a bolt is inserted through the fifth connecting hole and the sixth connecting hole in a threaded manner.

[0014] Further, the bottom end edge of the screen cylinder is fixed with a supporting leg, the screen cylinder is a cylindrical structure and is vertically arranged, the top end of the screen cylinder is provided with an open structure, the rotating rod is vertically arranged, the servo motor is installed at the middle of the bottom end of the screen cylinder, the screening board is an arc-shaped structure and is horizontally arranged and slidingly installed in the inside of the screen cylinder.

[0015] Furthermore, the scraper is a long strip structure and is fixed to the surface of the screening plate; the limiting frame is a cross-shaped structure and is horizontally installed at the top of the screening cylinder; the top surface of the rotating rod is an external threaded surface structure and is threadedly connected to the limiting nut; and the discharge pipe is horizontally arranged at the top edge of the screening plate.

[0016] Furthermore, the third connecting hole is located above the fourth connecting hole, the first connecting rod is a threaded rod structure and is horizontally arranged, and the second connecting rod is a threaded rod structure and is horizontally arranged.

[0017] Furthermore, the limiting frame is horizontally arranged, the fifth connecting hole and the sixth connecting hole are vertically aligned, and the sixth connecting hole is a threaded hole structure and is vertically arranged.

[0018] The beneficial effects of the seed screening structure for agricultural production proposed in this utility model are as follows:

[0019] 1. In this utility model, a rotating rod is inserted into the sieving cylinder, and three sieving plates are evenly installed on the surface of the rotating rod. Sieving holes are set on the surface of the sieving plates, and scrapers are fixed. Therefore, the servo motor drives the rotating rod to rotate in both directions, thereby driving the sieving plates to rotate in both directions repeatedly inside the sieving cylinder. At the same time, seeds are poured into the sieving cylinder and fall onto the surface of the uppermost sieving plate. The three sieving plates, which continue to rotate in both directions, sieve the seeds multiple times, thereby improving the degree of seed sieving.

[0020] 2. The screening plate of this utility model is slidably sleeved on the surface of the rotating rod through the first connecting ring and the second connecting ring, and the rotating rod is detachably connected through the first connecting rod and the second connecting rod. Therefore, it is convenient to disassemble, install, replace and maintain the screening plate, so as to use screening plates with screening holes of different diameters to screen seeds of different diameters. At the same time, the top of the rotating rod is stably installed through the limiting frame, and the limiting frame is detachably installed on the top of the screening cylinder through bolts, which facilitates the disassembly, replacement and maintenance of the screening plate and rotating rod inside the screening cylinder. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0022] Figure 2 This utility model Figure 1 A schematic diagram of the screening cylinder section;

[0023] Figure 3 This utility model Figure 1 A schematic diagram of the limiting frame section;

[0024] Figure 4 This utility model Figure 1A schematic view of a rotating rod part of the present application;

[0025] Figure 5 A schematic view of a rotating rod and screening board part of the present application Figure 1 A schematic view of a rotating rod and screening board part of the present application

[0026] Figure 6 A schematic view of a rotating rod and screening board part of the present application Figure 1 A schematic view of a rotating rod and screening board part of the present application

[0027] Figure 7 A schematic view of a rotating rod and screening board part of the present application Figure 1 A schematic view of a rotating rod and screening board part of the present application

[0028] In the figure: 1, screening cylinder; 2, supporting leg; 3, discharge pipe; 4, tight plug; 5, first connecting ring; 6, bolt; 7, limiting frame; 8, limiting nut; 9, rotating rod; 10, screening board; 11, screening hole; 11, screening hole; 12, rotating hole; 13, sixth connecting hole; 14, limiting hole; 15, fifth connecting hole; 16, servo motor; 17, fourth connecting hole; 18, third connecting hole; 19, scraping strip; 20, first connecting rod; 21, first fastening nut; 24, second connecting ring; 25, fixed rod; 26, fourth connecting hole; 27, second connecting hole. DETAILED DESCRIPTION

[0029] 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, rather than all the embodiments of the present application.

[0030] Embodiment 1

[0031] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 , a kind of agricultural production seed preliminary screening structure in the figure, including screening cylinder 1, rotating hole 12 is opened in the bottom end of the screening cylinder 1, rotating rod 9 is inserted into the inside of the screening cylinder 1, rotating hole 12 rotates through, the bottom end of the rotating rod 9 is installed with servo motor 16.

[0032] The surface of the rotating rod 9 is mounted with a screening plate 10, the surface of the screening plate 10 is uniformly provided with screening holes 11, the surface of the screening plate 10 is fixed with a scraping strip 19, the top end of the rotating rod 9 and the top end of the screening cylinder 1 are provided with a limiting frame 7, the surface of the rotating rod 9 and the top end of the limiting frame 7 are connected with a limiting nut 8, the side of the screening cylinder 1 and the top end of the edge of the screening plate 10 are connected with a discharge pipe 3, and the inside of the discharge pipe 3 is inserted with a tight plug 4.

[0033] The rotating rod 9 is inserted into the inside of the screening cylinder 1, three screening plates 10 are uniformly mounted on the surface of the rotating rod 9, the screening holes 11 are arranged on the surface of the screening plate 10, and the scraping strip 19 is fixed, so that the servo motor 16 drives the rotating rod 9 to rotate forward and backward, thereby driving the screening plate 10 to rotate forward and backward in the screening cylinder 1, at the same time, the seeds are poured into the inside of the screening cylinder 1 and fall on the surface of the uppermost screening plate 10, and the three screening plates 10 which continuously rotate forward and backward screen the seeds for multiple times, thereby improving the screening degree of the seeds.

[0034] The top end of the screening plate 10 is fixed with a first connecting ring 5, the inside of the screening plate 10 is mounted with a second connecting ring 24, the first connecting ring 5 and the second connecting ring 24 are both circular ring structures and are arranged horizontally and aligned vertically, the outside of the second connecting ring 24 and the inside edge of the screening plate 10 are fixed with a fixed rod 25, the fixed rod 25 is arranged horizontally, and the rotating rod 9 slides through the first connecting ring 5 and the second connecting ring 24.

[0035] The bottom end of the screening cylinder 1 is fixed with a supporting leg 2, the screening cylinder 1 is a cylindrical structure and is arranged vertically, the top end of the screening cylinder 1 is provided with an open setting, the rotating rod 9 is arranged vertically, the servo motor 16 is mounted at the bottom end of the screening cylinder 1, the screening plate 10 is an arc-shaped structure and is arranged horizontally and mounted slidingly in the inside of the screening cylinder 1.

[0036] The scraping strip 19 is a long strip structure and is fixed on the surface of the screening plate 10, the limiting frame 7 is a cross-shaped structure and is arranged horizontally on the top end of the screening cylinder 1, the top end surface of the rotating rod 9 is an external thread surface structure and is threadedly connected with the limiting nut 8, and the discharge pipe 3 is arranged horizontally at the top end of the edge of the screening plate 10.

[0037] Embodiment 2

[0038] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 andFigure 7 The utility model provides an agricultural production seed preliminary screening structure in the drawing, including screening cylinder 1, the bottom end of screening cylinder 1 is provided with rotating hole 12, rotating hole 12 is rotated and passes through the rotating rod 9 inserted in the inside of screening cylinder 1, and the bottom end of rotating rod 9 is provided with servo motor 16.

[0039] The surface of rotating rod 9 is provided with screening plate 10, the surface of screening plate 10 is uniformly provided with screening hole 11, the surface of screening plate 10 is fixed with scraping strip 19, the top end of rotating rod 9 and the position of the top end of screening cylinder 1 are provided with limiting frame 7, the surface of rotating rod 9 and the top end of limiting frame 7 are connected with limiting nut 8, the side of screening cylinder 1 and the top end of the edge of screening plate 10 are connected with discharge pipe 3, and the inside of discharge pipe 3 is inserted with tight plug 4.

[0040] Rotating rod 9 is rotated and inserted in the inside of screening cylinder 1, three screening plates 10 are uniformly installed on the surface of rotating rod 9, screening hole 11 is arranged on the surface of screening plate 10, and scraping strip 19 is fixed, therefore, servo motor 16 drives rotating rod 9 to rotate forward and backward, thereby driving screening plate 10 to rotate forward and backward in the inside of screening cylinder 1 in a circulating reciprocating mode, at the same time, seeds are poured into the inside of screening cylinder 1 and fall on the surface of the uppermost screening plate 10, and the three screening plates 10 that continuously rotate forward and backward screen the seeds for multiple times, thereby improving the screening degree of seeds.

[0041] The top end of screening plate 10 is fixed with first connecting ring 5, the inside of screening plate 10 is provided with second connecting ring 24, the first connecting ring 5 and the second connecting ring 24 are both annular structures and are arranged horizontally and aligned vertically, the outside of second connecting ring 24 and the inside edge of screening plate 10 are fixed with fixed rod 25, the fixed rod 25 is arranged horizontally, and rotating rod 9 slides through first connecting ring 5 and second connecting ring 24.

[0042] The surface of first connecting ring 5 is provided with first connecting hole 26, the surface of second connecting ring 24 is provided with second connecting hole 27, the surface of rotating rod 9 is provided with third connecting hole 18 and fourth connecting hole 17, the first connecting hole 26 is aligned with the third connecting hole 18 and passes through first connecting rod 20, the two ends of first connecting rod 20 and the position of the outer end of first connecting hole 26 are connected with first fastening nut 21, the second connecting hole 27 is aligned with the fourth connecting hole 17 and passes through second connecting rod 22, and the two ends of second connecting rod 22 and the position of the outer end of second connecting hole 27 are connected with second fastening nut 23.

[0043] The middle of the limiting frame 7 is provided with a limiting hole 14, the rotating rod 9 slides through the limiting hole 14, the outer end of the limiting frame 7 is provided with a fifth connecting hole 15, the top end of the screening cylinder 1 is provided with a sixth connecting hole 13, the fifth connecting hole 15 and the sixth connecting hole 13 are internally threaded and inserted with a bolt 6.

[0044] The screening plate 10 is slidably sleeved on the surface of the rotating rod 9 through the first connecting ring 5 and the second connecting ring 24, and is detachably connected between the rotating rods 9 through the first connecting rod 20 and the second connecting rod 22, so that the screening plate 10 is convenient to disassemble, install, replace and maintain, and the screening plate 10 with different diameters of screening holes 11 is used to screen different diameter seeds, at the same time, the top end of the rotating rod 9 is stably installed through the limiting frame 7, and the limiting frame 7 is detachably installed at the top end of the screening cylinder 1 through the bolt 6, so that the screening plate 10 and the rotating rod 9 inside the screening cylinder 1 are convenient to disassemble, replace and maintain.

[0045] The third connecting hole 18 is located above the fourth connecting hole 17, the first connecting rod 20 is a threaded rod structure and is horizontally arranged, and the second connecting rod 22 is a threaded rod structure and is horizontally arranged.

[0046] The limiting frame 7 is horizontally arranged, the fifth connecting hole 15 is aligned with the sixth connecting hole 13, the sixth connecting hole 13 is a threaded hole structure and is vertically arranged.

[0047] Working mode: the rotating rod 9 is inserted into the inside of the screening cylinder 1 and rotates, three screening plates 10 are uniformly installed on the surface of the rotating rod 9, the screening holes 11 are arranged on the surface of the screening plate 10, and the scraping strip 19 is fixed, therefore, the servo motor 16 drives the rotating rod 9 to rotate forward and reverse, thereby driving the screening plate 10 to rotate forward and reverse in the screening cylinder 1, at the same time, the seeds are poured into the inside of the screening cylinder 1 and fall on the surface of the uppermost screening plate 10, the three screening plates 10 which continuously rotate forward and reverse screen the seeds for multiple times, thereby improving the screening degree of the seeds.

[0048] The screening plate 10 is slidably sleeved on the surface of the rotating rod 9 through the first connecting ring 5 and the second connecting ring 24, and is detachably connected between the rotating rods 9 through the first connecting rod 20 and the second connecting rod 22, so that the screening plate 10 is convenient to disassemble, install, replace and maintain, and the screening plate 10 with different diameters of screening holes 11 is used to screen different diameter seeds, at the same time, the top end of the rotating rod 9 is stably installed through the limiting frame 7, and the limiting frame 7 is detachably installed at the top end of the screening cylinder 1 through the bolt 6, so that the screening plate 10 and the rotating rod 9 inside the screening cylinder 1 are convenient to disassemble, replace and maintain.

[0049] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A seed screening structure for agricultural production, comprising a screening cylinder (1), characterized in that: The bottom end of the screening cylinder (1) has a rotating hole (12). The rotating hole (12) is rotated through a rotating rod (9) inserted into the screening cylinder (1). A servo motor (16) is installed at the bottom end of the rotating rod (9). A screening plate (10) is installed on the surface of the rotating rod (9). Screening holes (11) are evenly opened on the surface of the screening plate (10). A scraper (19) is fixed on the surface of the screening plate (10). A limit frame (7) is installed at the top of the rotating rod (9) and at the top of the screening cylinder (1). A limit nut (8) is connected to the surface of the rotating rod (9) and at the top of the limit frame (7). A discharge pipe (3) is connected to the side of the screening cylinder (1) and at the top edge of the screening plate (10). A tight plug (4) is inserted into the inside of the discharge pipe (3).

2. The seed screening structure for agricultural production according to claim 1, characterized in that: A first connecting ring (5) is fixed at the top center of the sieve plate (10), and a second connecting ring (24) is installed in the middle of the interior of the sieve plate (10). Both the first connecting ring (5) and the second connecting ring (24) are circular ring structures, and are horizontally arranged and aligned vertically. A fixing rod (25) is fixed between the outer side of the second connecting ring (24) and the inner edge of the sieve plate (10). The fixing rod (25) is horizontally arranged, and the rotating rod (9) slides through the first connecting ring (5) and the second connecting ring (24).

3. The seed screening structure for agricultural production according to claim 2, characterized in that: The surface of the first connecting ring (5) has a first connecting hole (26), the surface of the second connecting ring (24) has a second connecting hole (27), the surface of the rotating rod (9) has a third connecting hole (18) and a fourth connecting hole (17), the first connecting hole (26) is aligned with the third connecting hole (18), and a first connecting rod (20) passes through it. The two ends of the first connecting rod (20) are connected to a first fastening nut (21) at the outer end of the first connecting hole (26), the second connecting hole (27) is aligned with the fourth connecting hole (17), and a second connecting rod (22) passes through it. The two ends of the second connecting rod (22) are connected to a second fastening nut (23) at the outer end of the second connecting hole (27).

4. The seed screening structure for agricultural production according to claim 1, characterized in that: The limiting frame (7) has a limiting hole (14) in the middle, the rotating rod (9) slides through the limiting hole (14), the limiting frame (7) has a fifth connecting hole (15) at the outer end, the screening cylinder (1) has a sixth connecting hole (13) at the top end, and bolts (6) are inserted into the internal threads of the fifth connecting hole (15) and the sixth connecting hole (13).

5. The seed screening structure for agricultural production according to claim 1, characterized in that: The bottom edge of the screening cylinder (1) is fixed with a support leg (2). The screening cylinder (1) is a cylindrical structure and is vertically set with an open top. The rotating rod (9) is vertically set. The servo motor (16) is installed in the middle of the bottom of the screening cylinder (1). The screening plate (10) is an arc-shaped arched structure and is horizontally set and slidably installed inside the screening cylinder (1).

6. The seed screening structure for agricultural production according to claim 1, characterized in that: The scraper (19) is a long strip structure and is fixed to the surface of the screening plate (10). The limiting frame (7) is a cross-shaped structure and is horizontally installed at the top of the screening cylinder (1). The top surface of the rotating rod (9) is an external thread structure and is threadedly connected to the limiting nut (8). The discharge pipe (3) is horizontally set at the top edge of the screening plate (10).

7. The seed screening structure for agricultural production according to claim 3, characterized in that: The third connecting hole (18) is located above the fourth connecting hole (17). The first connecting rod (20) is a threaded rod structure and is horizontally arranged. The second connecting rod (22) is a threaded rod structure and is horizontally arranged.

8. The seed screening structure for agricultural production according to claim 4, characterized in that: The limiting frame (7) is horizontally arranged, and the fifth connecting hole (15) and the sixth connecting hole (13) are vertically aligned. The sixth connecting hole (13) is a threaded hole structure and is vertically arranged.

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