Corn planting seed screening device

Abstract

The corn planting seed screening device comprises a bottom frame, the upper end of the bottom frame is connected with a first screening mechanism in a sliding mode, a second screening mechanism is installed at the upper end of the first screening mechanism, the first screening mechanism and the second screening mechanism each comprise a square frame and a pushing mechanism, and penetrating openings are formed in the left end and the right end of each square frame. And a screen plate is arranged in the two penetrating openings, and a pushing mechanism is installed at the right end of the square frame. Corn seeds are screened through the screen mesh plate, the corn seeds roll back and forth through the inclined plate, the screening effect is improved, when the screen mesh plate is replaced, the screen mesh plate needing to be replaced is placed at the upper end of the groove plate, then the push plate pushes the screen mesh plate in the square frame to move, the screen mesh plate in the square frame is pushed out of the square frame, and the corn seeds are screened through the screen mesh plate. And the original screen plate is replaced by a new screen plate, so that the replacement work of the screen plate is quickly completed, and the screen plate is convenient, quick, time-saving and labor-saving.

Description

TECHNICAL FIELD

[0001] The utility model relates to corn planting field, concretely relates to a corn planting seed screening device. BACKGROUND

[0002] Corn is an annual hermaphrodite plant of different flower pollination, and the plant is high and strong, which is an important grain crop and forage crop. The corn seeds generally need to be screened before planting and cultivating, the relatively full particles are screened out for seed cultivation, the planting survival rate is improved, and the seedling quality is improved. The existing corn seed screening device needs to be screwed through a plurality of bolts to complete the disassembly, replacement and installation of the screen plate, which is not convenient, time-consuming and laborious. Therefore, the technical personnel in the art provide a corn planting seed screening device to solve the problems in the above background. SUMMARY

[0003] To solve the above technical problems, the utility model provides a corn planting seed screening device, including the chassis, the chassis upper end sliding connection screening mechanism one, screening mechanism one upper end installation screening mechanism two, screening mechanism one and screening mechanism two all include square frame and push mechanism, square frame left and right two ends set up through the mouth, and two through the mouth inside set up screen plate in common, square frame right end installation push mechanism,

[0004] The push mechanism includes a hollow rod and a groove plate, the hollow rod is rotatably connected with a threaded rod one inside, the threaded rod one side surface is installed with a motor two, the threaded rod one outer surface is threadedly connected with a threaded sleeve one, the threaded sleeve one side surface is installed with a moving block, the moving block lower end is installed with a motor three, the hollow rod upper side is provided with a groove plate, and the groove plate lower end is fixedly connected with the motor three, the groove plate inside is rotatably connected with a threaded rod two, the threaded rod two side surface is installed with a motor four, the threaded rod two outer surface is threadedly connected with a threaded sleeve two, and the threaded sleeve two left end is installed with a push plate.

[0005] Preferably, the chassis is inclined, a plurality of supporting legs are installed at the lower end of the chassis, a sliding groove is symmetrically formed at the upper end of the chassis, a fixed rod is installed inside the sliding groove, and the fixed rod outer surface is slidably connected with a sliding block.

[0006] Preferably, the motor one is installed at the upper end of the chassis, the motor one side surface is installed with a rotating disc, the rotating disc side surface is rotatably connected with a pull rod, and the pull rod is rotatably connected with the screening mechanism one.

[0007] Preferably, the square frame left end is rotatably connected with a counterweight baffle corresponding to the position of the through hole, and the counterweight baffle is covered on the left end of the through hole under the influence of gravity.

[0008] Preferably, a plurality of inclined plates are installed on the inner wall of the square frame, and the inclined plates are located on the upper end of the screen plate.

[0009] Preferably, the square frame right end is symmetrically installed with a limiting block, and the limiting block is located on the front and back sides of the through hole.

[0010] The technical effects and advantages of the present application are as follows:

[0011] The present application screens corn seeds through the screen plate, and the corn seeds roll back and forth through the inclined plate, improving the screening effect. When replacing the screen plate, the screen plate to be replaced is placed on the upper end of the groove plate, and then the push plate pushes the screen plate in the square frame to move, so that the screen plate in the square frame is pushed out of the square frame, and the new screen plate replaces the original screen plate, thereby quickly completing the replacement work of the screen plate, which is convenient, fast, time-saving and labor-saving. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 is a structural schematic diagram of the present application;

[0013] Fig. 2 is a structural schematic diagram of the chassis of the present application;

[0014] Fig. 3 is a structural schematic diagram of the screening mechanism one and the screening mechanism two of the present application;

[0015] Fig. 4 is a structural schematic diagram of the pushing mechanism of the present application;

[0016] In the drawings:

[0017] 1, chassis; 2, support leg; 3, sliding groove; 4, fixed rod; 5, sliding block; 6, screening mechanism one; 7, screening mechanism two; 8, motor one; 9, rotating disc;

[0018] 10, pull rod; 11, square frame; 12, discharge port; 13, through hole; 14, screen plate; 15, inclined plate; 16, limiting block; 17, pushing mechanism; 18, hollow rod; 19, threaded rod one;

[0019] 20, motor two; 21, threaded sleeve one; 22, moving block; 23, motor three; 24, groove plate; 25, threaded rod two; 26, motor four; 27, threaded sleeve two; 28, push plate; 29, conveying channel. DETAILED DESCRIPTION

[0020] The embodiments of the present application are presented by way of example and description, and are not exhaustive or limit the present application to the disclosed form. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are chosen and described in order to best explain the principles of the present application and its practical application, and to enable others skilled in the art to understand the present application in order to design various embodiments with various modifications for particular uses according to the principles of the present application.

[0021] Please refer to Figs. 1-4 In the embodiment, a corn planting seed screening device is provided, which comprises a chassis 1, the chassis 1 is arranged obliquely, a plurality of supporting legs 2 are installed at the lower end of the chassis 1, a chute 3 is symmetrically formed at the upper end of the chassis 1, a fixed rod 4 is installed inside the chute 3, a sliding block 5 is slidably connected to the outer surface of the fixed rod 4, a screening mechanism one 6 is slidably connected to the upper end of the chassis 1, and the lower end of the screening mechanism one 6 is fixedly connected to two sliding blocks 5, a screening mechanism two 7 is installed at the upper end of the screening mechanism one 6, a motor one 8 is installed at the upper end of the chassis 1, a rotating disc 9 is installed on the side surface of the motor one 8, a pull rod 10 is rotatably connected to the side surface of the rotating disc 9, and the pull rod 10 is rotatably connected to the screening mechanism one 6, a conveying channel 29 is installed at the right end of the screening mechanism two 7, the screening mechanism one 6 and the screening mechanism two 7 both comprise a square frame 11 and a pushing mechanism 17, through holes 13 are formed at the left and right ends of the square frame 11, and a screen plate 14 is arranged inside the two through holes 13, a counterweight baffle is rotatably connected to the position corresponding to the through hole 13 at the left end of the square frame 11, and the counterweight baffle is covered on the left end of the through hole 13 under the influence of gravity, an exhaust port 12 is formed at the front end of the square frame 11, and the exhaust port 12 is located at the upper end of the screen plate 14, a plurality of inclined plates 15 are installed on the inner wall of the square frame 11 and located at the upper end of the screen plate 14, limiting blocks 16 are symmetrically installed at the right end of the square frame 11 and located at the front and rear sides of the through hole 13, a pushing mechanism 17 is installed at the right end of the square frame 11, the pushing mechanism 17 comprises a hollow rod 18 and a recessed plate 24, a threaded rod one 19 is rotatably connected inside the hollow rod 18, a motor two 20 is installed on the side surface of the threaded rod one 19, a threaded sleeve one 21 is threadedly connected to the outer surface of the threaded rod one 19, a moving block 22 is installed on the side surface of the threaded sleeve one 21, a motor three 23 is installed at the lower end of the moving block 22, the recessed plate 24 is arranged on the upper side of the hollow rod 18 and fixedly connected to the motor three 23 at the lower end, a threaded rod two 25 is rotatably connected inside the recessed plate 24, a motor four 26 is installed on the side surface of the threaded rod two 25, a threaded sleeve two 27 is threadedly connected to the outer surface of the threaded rod two 25, and a push plate 28 is installed at the left end of the threaded sleeve two 27.

[0022] The working principle of the utility model is: pour the corn seeds into the screening mechanism two 7, screen the corn seeds through the screen plate 14, make the corn seeds roll back and forth through the inclined plate 15, improve the screening effect, at the same time, the motor one 8 drives the rotary disc 9 to rotate, the rotary disc 9 drives the screening mechanism one 6 and the screening mechanism two 7 to reciprocate and vibrate through the pull rod 10, improve the screening efficiency, the corn seeds are screened out through the discharge port 12, at the same time, the screening mechanism one 6 drives the sliding block 5 to reciprocate outside the fixed rod 4.

[0023] When the screen plate 14 is replaced, the motor two 20 drives the threaded rod one 19 to rotate, the threaded rod one 19 drives the threaded sleeve one 21 to move to the right by a distance first, the threaded sleeve one 21 drives the recessed plate 24 to move away from the square frame 11 by a distance through the moving block 22, then, the motor three 23 drives the recessed plate 24 to rotate by ninety degrees, then, the motor two 20 reverses to drive the recessed plate 24 to move to the left and abut against the square frame 11, then, the screen plate 14 to be replaced is placed between the upper end of the recessed plate 24 and the two limiting blocks 16, then, the motor four 26 drives the threaded rod two 25 to rotate, the threaded rod two 25 drives the push plate 28 to move through the threaded sleeve two 27, the push plate 28 pushes the screen plate 14 to move to the left, the screen plate 14 on the recessed plate 24 pushes the screen plate 14 in the square frame 11 to move, the screen plate 14 in the square frame 11 is pushed to rotate the counterweight baffle, the screen plate 14 in the square frame 11 is pushed out of the square frame 11, the new screen plate 14 replaces the original screen plate 14, thereby the replacement work of the screen plate 14 is quickly completed.

[0024] Obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art and related fields without creative labor should belong to the protection scope of the utility model. The structure, device and operation method not specifically described and explained in the utility model, if no special description and limitation, are implemented according to the conventional means in the art.

Claims

1. A corn seed screening device, comprising a base frame (1), characterized in that, The upper end of the base frame (1) is slidably connected to the first screening mechanism (6), and the second screening mechanism (7) is installed on the upper end of the first screening mechanism (6). Both the first screening mechanism (6) and the second screening mechanism (7) include a square frame (11) and a pushing mechanism (17). The square frame (11) has through openings (13) at both ends, and a screen plate (14) is set inside the two through openings (13). The pushing mechanism (17) is installed on the right end of the square frame (11). The pushing mechanism (17) includes a hollow rod (18) and a grooved plate (24). The hollow rod (18) is rotatably connected to a threaded rod (19). A motor (20) is installed on the side of the threaded rod (19). The outer surface of the threaded rod (19) is threadedly connected to a threaded sleeve (21). A moving block (22) is installed on the side of the threaded sleeve (21). A motor (23) is installed at the lower end of the moving block (22). A grooved plate (24) is provided on the upper side of the hollow rod (18). The lower end of the grooved plate (24) is fixedly connected to a motor (23). The grooved plate (24) is rotatably connected to a threaded rod (25). A motor (26) is installed on the side of the threaded rod (25). The outer surface of the threaded rod (25) is threadedly connected to a threaded sleeve (27). A push plate (28) is installed at the left end of the threaded sleeve (27).

2. The corn seed screening device according to claim 1, characterized in that, The base frame (1) is inclined, and several support legs (2) are installed at the lower end of the base frame (1). Slide grooves (3) are symmetrically opened at the upper end of the base frame (1). Fixing rods (4) are installed inside the slide grooves (3), and sliders (5) are slidably connected to the outer surface of the fixing rods (4).

3. The corn seed screening device according to claim 1, characterized in that, The base frame (1) is equipped with a motor (8) on its upper end. A rotating disk (9) is installed on the side of the motor (8). A pull rod (10) is rotatably connected to the side of the rotating disk (9), and the pull rod (10) is rotatably connected to the screening mechanism (6).

4. The corn seed screening device according to claim 1, characterized in that, The counterweight baffle is rotatably connected to the left end of the square frame (11) at the position corresponding to the through opening (13), and the counterweight baffle is covered on the left end of the through opening (13) due to gravity.

5. The corn seed screening device according to claim 1, characterized in that, Several inclined plates (15) are installed on the inner wall of the square frame (11), and the inclined plates (15) are located at the upper end of the screen plate (14).

6. The corn seed screening device according to claim 1, characterized in that, The right end of the square frame (11) is symmetrically equipped with a limiting block (16), and the limiting block (16) is located on both sides of the through opening (13).

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