Wheat seeder with screening function

Abstract

The utility model relates to the technical field of wheat seeding machines, and discloses a wheat seeding machine with a screening function, which comprises a seeding machine body and a seed box arranged in the seeding machine body, and further comprises a fixed shell sliding in an inner cavity of the seed box, screen holes are formed in the surfaces of the fixing shell and the fixing plate correspondingly, and mounting frames are fixedly connected to the two positions of the bottom of the fixing shell correspondingly. According to the seed screening device, the position of the fixing plate can be adjusted through cooperation of the threaded rod and the adjusting mechanism, so that the screening holes in the surface of the fixing shell and the screening holes in the surface of the fixing plate can be staggered and correspond, seeds of different sizes are screened, and meanwhile under cooperation of the servo motor, the double-groove belt disc and the linkage belt, the screening efficiency is improved. The vibrating mechanism can drive the fixing shell to vibrate, the situation that seeds block sieve holes is reduced, and the problems that when some existing seeding machines are used, applicability is poor, and the sieving efficiency is poor are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of wheat seeding machine, concretely to a wheat seeding machine with screening function. BACKGROUND

[0002] Wheat seeding machine is a kind of mechanical equipment by sowing mechanical system and is planted in the land, and the wheat seeding machine is suitable for the fertilization and seeding of wheat in plain and hilly areas.It has good general performance, wide adaptability, uniform seeding and other characteristics.Because the size of wheat grain is different between varieties, the difference in seeding amount is large only according to the thousand-grain weight, so the wheat is screened during seeding, and small and large grains are screened out to keep the size of grains as consistent as possible to meet the test requirements.The existing wheat seeding machine has at least the following disadvantages during use: the existing wheat seeding machine cannot screen seeds, and it is difficult to meet the seeding demand.

[0003] After searching, a kind of wheat seeding machine with screening function is disclosed in Chinese patent literature

application number: CN202321938660.5

[0004] The seeding machine disclosed in the patent can screen seeds during use, but when screening seeds of different sizes, the corresponding screening plate needs to be replaced, resulting in more adjustment work in the early stage of screening seeds, and the seeding machine needs to be equipped with more screening plates, resulting in poor convenience of the seeding machine and reducing the applicability of the seeding machine.

[0005] At the same time, the seeding machine cannot vibrate the screening plate when screening seeds, resulting in poor movement effect of seeds on the surface of the screening plate, and the seeds are easily blocked in the screening plate, which affects the screening of the seeds.This situation not only affects the screening efficiency of the seeds, but also affects the subsequent seeding of the seeds. UTILITY MODEL CONTENT

[0006] The utility model aims at providing a kind of wheat seeding machine with screening function to solve the problems raised in the above background.

[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of wheat seeding machine with screening function, including seeding machine body and seed box installed in its interior, further comprising:

[0008] The fixed shell is slidably connected with the inner cavity of the seed box, the inner cavity of the fixed shell is slidably connected with a fixed plate, the surface of the fixed shell and the fixed plate is provided with a sieve hole, the bottom of the fixed shell is fixedly connected with a mounting frame, and the inner cavity of the mounting frame is rotatably connected with a threaded rod;

[0009] The bevel gear set is fixed to one end of the threaded rod, the surface of the threaded rod is provided with an adjusting mechanism, one side of the seed box is hingedly connected with a servo motor, the output shaft of the servo motor is fixedly connected with a double-groove belt pulley, the surface of the double-groove belt pulley is movably connected with a linkage belt, and the two sides of the seed box are provided with a vibration mechanism.

[0010] Preferably, the adjusting mechanism comprises a sleeve threadedly connected to the surface of the threaded rod and a movable frame fixed to the top of the sleeve, and the inner cavity of the movable frame is slidably connected with a movable plate.

[0011] Preferably, the vibration mechanism comprises a driven belt pulley rotatably connected to one side of the seed box and a rotating rod fixed to one side of the driven belt pulley, and the surface of the rotating rod is fixedly connected with a cam on both sides.

[0012] Preferably, the top of the bevel gear on one side of the bevel gear set is fixedly connected with a rotating seat, and the other end of the rotating seat penetrates through the top of the fixed shell and is rotatably connected with the inner wall of the penetration position of the fixed shell.

[0013] Preferably, the inner cavity of the guiding groove is slidably connected with the surface of the fixed shell.

[0014] Preferably, the bottom of the fixed shell is fixedly connected with a mounting seat on one side, and the mounting seat is rotatably connected with one end of the threaded rod on one side.

[0015] Preferably, the movable frame and the movable plate are both T-shaped in cross-sectional shape, and the movable frame and the movable plate are used in cooperation.

[0016] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0017] The position of the fixed plate can be adjusted through the cooperation of the threaded rod and the adjusting mechanism, so that the sieve holes on the surface of the fixed shell and the sieve holes on the surface of the fixed plate can be staggered and corresponded, different sizes of seeds can be screened, the convenience of the seeding machine is improved, the applicability of the seeding machine is effectively improved, and the vibration mechanism can drive the fixed shell to vibrate under the cooperation of the servo motor, the double-groove belt pulley and the linkage belt, the situation that the seeds are blocked in the sieve holes is reduced, the screening efficiency of the seeds is improved, and the problems that the applicability of the existing part of the seeding machine is poor and the screening efficiency is poor are solved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a schematic diagram of a partial sectional structure of the utility model;

[0019] Figure 2 is a schematic diagram of a partial sectional structure of the utility model;

[0020] Figure 3 is a schematic diagram of a partial sectional structure of the utility model;

[0021] Figure 4 is a schematic diagram of a partial sectional structure of the utility model;

[0022] Figure 5 is a schematic diagram of a partial sectional structure of the utility model.

[0023] In the figure: 1, seeder body; 2, seed box; 3, fixed shell; 4, fixed plate; 5, sieve hole; 6, servo motor; 7, double-groove pulley; 8, linkage belt; 9, vibration mechanism; 91, driven pulley; 92, rotating rod; 93, cam; 10, mounting bracket; 11, bevel gear set; 12, threaded rod; 13, adjusting mechanism; 131, sleeve; 132, movable bracket; 133, movable plate; 14, rotating seat; 15, mounting seat; 16, guide groove. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] Please refer to Figures 1-5As shown, a wheat seeding machine with screening function, including the seeding machine body 1, the inside of the seeding machine body 1 is installed with seed box 2, under the cooperation of the seeding machine body 1 and the seed box 2, the seeds inside the seed box 2 can be effectively scattered to seed, the inner cavity of the seed box 2 is slidably connected with the fixed shell 3, the inner cavity of the fixed shell 3 is slidably connected with the fixed plate 4, the surface of the fixed shell 3 and the fixed plate 4 is provided with sieve hole 5, under the cooperation of the fixed shell 3 and the fixed plate 4, the position of the fixed plate 4 can be adjusted, so that the sieve hole 5 of the fixed plate 4 and the sieve hole 5 of the fixed shell 3 are staggered or corresponding, so as to control the size of the sieve hole 5, so as to achieve the screening of different size seeds without replacing the fixed shell 3 and the fixed plate 4, effectively improve the applicability of the device, the bottom of the fixed shell 3 is fixedly connected with the mounting bracket 10, the inner cavity of the mounting bracket 10 is rotatably connected with the threaded rod 12, one end of the threaded rod 12 is fixedly connected with the bevel gear set 11, the bevel gear set 11 is composed of two intermeshing bevel gears, which can conduct power under the action, so as to facilitate the rotation of the threaded rod 12, the top of the bevel gear set 11 side bevel gear is fixedly connected with the rotating seat 14, the other end of the rotating seat 14 penetrates into the top of the fixed shell 3 and is rotatably connected with the inner wall of the penetrating part, under the action, the rotating seat 14 can be used to rotate the bevel gear set 11, so that the staff can use auxiliary tools to drive the threaded rod 12 to rotate, so as to provide power for the rotation of the threaded rod 12, the surface of the threaded rod 12 is provided with adjusting mechanism 13, the adjusting mechanism 13 can adjust the position of the fixed shell 3 through the cooperation of the threaded rod 12, and the longitudinal and lateral positions of the fixed shell 3 can be adjusted under the cooperation of the adjusting mechanism 13 on both sides, so that the fixed shell 3 is more convenient to move, effectively improves the stability of the fixed shell 3 after moving, and also reduces the instability of the fixed shell 3 in use, one side of the seed box 2 is bolted with servo motor 6, the output shaft of the servo motor 6 is fixedly connected with double groove belt pulley 7, the surface of the double groove belt pulley 7 is movably connected with linkage belt 8, the two sides of the seed box 2 are provided with vibration mechanism 9, the vibration mechanism 9 is used in cooperation with the linkage belt 8, under the action, the two sides of the vibration mechanism 9 can be rotated at the same time under the cooperation of the servo motor 6, the double groove belt pulley 7 and the linkage belt 8, so as to drive the fixed shell 3 to move up and down, so as to improve the screening effect of the seeds, effectively improve the applicability of the seeding machine, the two sides of the seed box 2 are provided with guide groove 16, the inner cavity of the guide groove 16 is slidably connected with the surface of the fixed shell 3, under the action, the fixed shell 3 can be guided when moving, so that the fixed shell 3 can be more stable when moving, avoiding the instability of the fixed shell 3 when moving affecting the screening effect of the seeds,And also reduces the fixed shell 3 appears inclined and makes the seed un-screened directly inside the seeding machine body 1, effectively improve the fixed shell 3 and the fixed plate 4 to the screening effect of seed.

[0026] The adjusting mechanism 13 includes a sleeve 131 threaded on the surface of the threaded rod 12, the top of the sleeve 131 is fixedly connected with a movable frame 132, the inner cavity of the movable frame 132 is slidingly connected with a movable plate 133, the top of the movable plate 133 is fixedly connected with the bottom of the fixed plate 4, under the action, the movable frame 132 can drive the fixed plate 4 to move through the cooperation of the movable plate 133 under the cooperation of the threaded rod 12 and the sleeve 131, and when the fixed plate 4 needs to move in another direction, the cooperation of the movable frame 132 and the movable plate 133 will not affect the normal movement of the fixed plate 4, so as to facilitate the movement of the fixed plate 4 in each direction, so as to achieve the effect of adjusting the position of the screen hole 5, the section shape of the movable frame 132 and the movable plate 133 is T-shaped structure, the movable frame 132 is used in cooperation with the movable plate 133, which can increase the contact area of the movable frame 132 and the movable plate 133, so as to make the connection of the movable frame 132 and the movable plate 133 more closely, avoid the movable plate 133 from the inside of the movable frame 132 easily, and affect the position adjustment of the fixed plate 4, one side of the bottom of the fixed shell 3 is fixedly connected with a mounting seat 15, one side of the mounting seat 15 is rotatably connected with one end of the threaded rod 12, under the action, the threaded rod 12 can be supported, so as to improve the stability during use, so that the threaded rod 12 can support the fixed plate 4, so that the fixed plate 4 is more stable during movement, and the position deviation of the fixed plate 4 after movement is also reduced, effectively improving the applicability of the fixed plate 4.

[0027] The vibration mechanism 9 includes a driven pulley 91 rotating on one side of the seed box 2, the driven pulley 91 is movably connected with the linkage belt 8, under the action, the driven pulley 91 can be rotated through the cooperation of the linkage belt 8, some of the driven pulley 91 is fixedly connected with a rotating rod 92, the other end of the rotating rod 92 penetrates into the inside of the seed box 2 and is rotatably connected with the inner wall of the penetration place, one end of the rotating rod 92 is rotatably connected with the inner wall of the seed box 2, both sides of the surface of the rotating rod 92 are fixedly connected with a cam 93, the surface of the cam 93 is movably connected with the bottom of the fixed shell 3, under the action, when the driven pulley 91 drives the cam 93 to rotate through the rotating rod 92, under the cooperation of the weight of the fixed shell 3 and the shape of the cam 93, the fixed shell 3 will drive the parts inside it to move, so as to improve the screening effect of the seed by vibration, effectively improving the screening efficiency of the fixed shell 3 and the fixed plate 4 to the seed.

[0028] It is worth noting that the technical features of the seeder body 1 and the seed box 2 and the like in the technical scheme should be regarded as prior art, and the specific structure, working principle and possible control mode and spatial arrangement mode of the technical features can be selected conventionally in the art, and the technical scheme will not be further expanded and described in detail.

[0029] Working principle: first, according to the size of the seed to be screened, rotate the rotating seat 14, so that the rotating seat 14 can drive the sleeve 131 to move through the cooperation of the bevel gear set 11, and the movable frame 132 can drive the fixed plate 4 to move under the cooperation of the sleeve 131 and the movable frame 132, so that the position of the sieve hole 5 can be staggered, thereby adjusting the space connected, and then adjusting the other direction of the fixed plate 4 after adjusting one side, until the sieve hole 5 is adjusted to the appropriate position, which is not only more convenient, but also does not need to disassemble and assemble the parts, effectively improving the convenience of the seeder, then pour the seeds to be sown into the inside of the seed box 2, then start the servo motor 6, which will drive the driven pulley 91 to rotate through the cooperation of the double-groove pulley 7 and the linkage belt 8 under the action of the servo motor 6, so that the cam 93 can drive the fixed shell 3 to move, so as to achieve the purpose of accelerating the seed screening effect by vibrating the fixed shell 3 and the fixed plate 4, effectively improving the applicability of the seeder, then the seed is sown through the cooperation of the seeder body 1.

[0030] It should be noted that in this paper, relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the element defined by the statement "including a" does not exclude the presence of another identical element in the process, method, article or equipment including the element.

[0031] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A wheat sowing machine having a screening function, comprising a sowing machine body (1) and a seed box (2) installed inside, characterized in that, Also includes: The fixed shell (3) is slid in the inner cavity of the seed box (2), the inner cavity of the fixed shell (3) is slidely connected with the fixed plate (4), the surface of the fixed shell (3) and the fixed plate (4) is provided with a sieve hole (5), the bottom of the fixed shell (3) is fixedly connected with the mounting bracket (10), the inner cavity of the mounting bracket (10) is rotatably connected with the threaded rod (12); The bevel gear set (11) is fixed to one end of the threaded rod (12), the surface of the threaded rod (12) is provided with an adjusting mechanism (13), one side of the seed box (2) is bolted with a servo motor (6), the output shaft of the servo motor (6) is fixedly connected with a double-groove pulley (7), the surface of the double-groove pulley (7) is movably connected with a linkage belt (8), both sides of the seed box (2) are provided with a vibration mechanism (9).

2. The wheat seeding machine with screening function according to claim 1, characterized in that: The adjusting mechanism (13) includes a sleeve (131) threaded on the surface of the threaded rod (12) and a movable frame (132) fixed to the top thereof, the inner cavity of the movable frame (132) is slidably connected with a movable plate (133).

3. The wheat seeding machine with screening function according to claim 1, characterized in that: The vibration mechanism (9) includes a driven pulley (91) rotatably connected to one side of the seed box (2) and a rotating rod (92) fixed to one side thereof, the surface of the rotating rod (92) is fixedly connected with a cam (93) on both sides.

4. The wheat seeding machine with screening function according to claim 1, characterized in that: The top of the bevel gear on one side of the bevel gear set (11) is fixedly connected with a rotating seat (14), the other end of the rotating seat (14) penetrates the top of the fixed shell (3) and is rotatably connected with the inner wall of the penetration.

5. The wheat seeding machine with screening function according to claim 1, characterized in that: The inner cavity of the seed box (2) is provided with a guide groove (16) on both sides, the inner cavity of the guide groove (16) is slidably connected with the surface of the fixed shell (3).

6. The wheat seeding machine with screening function according to claim 1, characterized in that: The bottom of the fixed shell (3) is fixedly connected with a mounting seat (15), one side of the mounting seat (15) is rotatably connected with one end of the threaded rod (12).

7. The wheat seeding machine with screening function according to claim 2, characterized in that: The cross-sectional shape of the movable frame (132) and the movable plate (133) is T-shaped structure, and the movable frame (132) and the movable plate (133) are used in cooperation.

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