Seed screening device for agricultural cultivation

Abstract

The utility model relates to the technical field of agricultural cultivation, and discloses a seed screening device for agricultural cultivation, which comprises a bottom plate and moving wheels, a collecting box is placed on the left side of the upper surface of the bottom plate, and a support rod is fixedly connected to the outer side of the upper surface of the bottom plate. According to the seed screening device for agricultural cultivation, a handheld rod is controlled to drive a limiting block to move out of a limiting hole, fixing between a connecting block and a mounting plate is relieved, then the connecting block is controlled to slide towards the left side till the connecting block is separated from the outer side face of the mounting plate, shielding on a screen is relieved, and then the screen is moved towards the left side; and on the contrary, a screen of another specification can be mounted, so that a worker can conveniently replace screens of different specifications according to working requirements, the device can be controlled by the worker to screen different seeds, and the working efficiency is improved. And the applicability of the device is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of agricultural cultivation, in particular to a seed screening device for agricultural cultivation. Background Art

[0002] After searching, Chinese Patent No. 202222917019.5 discloses a seed screening device for agricultural cultivation. Through the mutual cooperation between multiple groups of structures, the device can gradually screen out unqualified seeds and impurity dust when screening seeds. The shaking sieve reduces the collision between the upper and lower vibrations of the seeds, maintains the integrity of the seeds, improves the screening efficiency, saves labor, increases economic benefits, reduces the damage caused by collision, and improves the screening effect.

[0003] Under the existing technology, in the field of agricultural cultivation, workers often use screening devices to screen seeds, but the screens inside some existing seed screening devices are basically directly fixed inside, which is not easy to achieve the detachable function, and it is not convenient for workers to replace screens of different specifications according to work needs. As a result, the workers cannot control the device to screen different seeds, which greatly reduces the applicability of the screening device. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] In view of the deficiencies in the prior art, the utility model provides a seed screening device for agricultural cultivation, which solves the problems raised in the above-mentioned background technology.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a seed screening device for agricultural cultivation, comprising a base plate and a movable wheel, a collecting box is placed on the left side of the upper surface of the base plate, a support rod is fixedly connected to the outer side of the upper surface of the base plate, a movable mounting plate is arranged inside the support rod, the outer side surface of the mounting plate is movably in contact with the limiting plate, the inner side surface of the limiting plate is fixedly connected with a screen, the screen is movably in contact with the mounting plate, a limiting hole is provided on the left side of the inner wall of the mounting plate, a connecting block is movably sleeved on the left side of the outer side surface of the mounting plate, the right side surface of the connecting block is movably in contact with the left side surface of the screen, and the inner wall of the connecting block is movably plugged into A limiting block, the limiting block is movably connected to the limiting hole, the inner side surface of the limiting block is fixedly connected to a moving block, the left side surface of the moving block is fixedly connected to a hand-held rod, the hand-held rod passes through the left side of the connecting block, the inner side surface of the moving block is fixedly connected to a short rod, the outer surface of the short rod is sleeved with a return spring, the right side of the upper surface of the base plate is fixedly connected to a driving motor, the output end of the driving motor is fixedly connected to a turntable, the right side of the upper surface of the turntable is fixedly connected to a fixing rod, the outer surface of the fixing rod is movably sleeved with a transmission rod, the left end of the transmission rod is rotatably connected to a fixed block, and the left side of the fixed block is fixedly connected to the right side of the mounting plate.

[0008] Preferably, rotatable moving wheels are arranged on the outer side of the lower surface of the bottom plate, and the number of the moving wheels is set to four groups.

[0009] Preferably, a through slot is provided in the middle of the left side surface of the connecting block, and the inner diameter of the through slot is matched with the outer diameter of the hand-held rod.

[0010] Preferably, the connecting block, the limiting block, the moving block, the hand-held rod and the short rod are all made of stainless steel.

[0011] Preferably, a moving groove is provided inside the connecting block, and the inner diameter of the moving groove is matched with the outer diameter of the moving block.

[0012] Preferably, a triangular plate is fixedly connected to the bottom of the outer side surface of the support rod, and the lower surface of the triangular plate is fixedly connected to the upper surface of the base plate.

[0013] (III) Beneficial effects

[0014] Compared with the prior art, the utility model provides a seed screening device for agricultural cultivation, which has the following beneficial effects:

[0015] 1. The seed screening device for agricultural cultivation drives the limit block to move out of the limit hole by controlling the hand-held rod, releases the fixation between the connecting block and the mounting plate, and then controls the connecting block to slide to the left until it is separated from the outer side of the mounting plate to release the shielding of the screen, and then moves the screen to the left until the limit plate is separated from the outer side of the mounting plate, thereby completing the disassembly of the screen. Conversely, a screen of another specification can be installed, which is convenient for the staff to replace the screens of different specifications according to work requirements, so that the staff can control the device to screen different seeds, thereby greatly improving the applicability of the device.

[0016] 2. The seed screening device for agricultural cultivation can indirectly drive the screen to move back and forth through the driving motor, so that the screen can screen the seeds inside it and spread them out, thereby speeding up the screening of seeds and improving the working efficiency of the device. At the same time, it also effectively prevents the seeds from accumulating in one place inside the screen, causing the screen to be blocked, thereby ensuring the screening effect of the device on the seeds.

[0017] 3. The seed screening device for agricultural cultivation continuously squeezes the moving block outward through the reaction force generated by the extrusion of the reset spring, so that the moving block can drive the limit block to move outward along the inside of the connecting block until the limit block passes through the inner wall of the connecting block and is finally firmly inserted into the inside of the limit hole, thereby improving the fixing effect between the connecting block and the mounting plate and indirectly ensuring the stability of the screen when it is in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the local structure of the utility model;

[0020] Figure 3 , Figure 4 It is a schematic diagram of the partial structure decomposition of the utility model.

[0021] In the figure: 1. bottom plate; 2. moving wheel; 3. collecting box; 4. supporting rod; 5. mounting plate; 6. limiting plate; 7. sieve; 8. limiting hole; 9. connecting block; 10. limiting block; 11. moving block; 12. hand-held rod; 13. short rod; 14. reset spring; 15. driving motor; 16. turntable; 17. fixing rod; 18. transmission rod; 19. fixing block. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4The utility model provides a technical solution: a seed screening device for agricultural cultivation, comprising a bottom plate 1 and a moving wheel 2, a collecting box 3 is placed on the left side of the upper surface of the bottom plate 1, a support rod 4 is fixedly connected to the outer side of the upper surface of the bottom plate 1, a movable mounting plate 5 is arranged inside the support rod 4, the outer side surface of the mounting plate 5 movably contacts the limiting plate 6, the inner side surface of the limiting plate 6 is fixedly connected with a screen 7, the screen 7 is movably in contact with the mounting plate 5, a limiting hole 8 is provided on the left side of the inner wall of the mounting plate 5, a connecting block 9 is movably sleeved on the left side of the outer side surface of the mounting plate 5, the right side surface of the connecting block 9 is movably in contact with the left side surface of the screen 7, the inner wall of the connecting block 9 is movably plugged with a limiting block 10, and the limiting block 10 is movably plugged with the limiting hole 8, The inner side of the limit block 10 is fixedly connected with a moving block 11, and the left side of the moving block 11 is fixedly connected with a hand-held rod 12. By controlling the hand-held rod 12, the limit block 10 is driven to move out of the limit hole 8, and the fixation between the connecting block 9 and the mounting plate 5 is released. Then the connecting block 9 is controlled to slide to the left until it is separated from the outer side of the mounting plate 5, and the blocking of the screen 7 is released. Then the screen 7 is moved to the left until the limit plate 6 is separated from the outer side of the mounting plate 5. At this point, the disassembly of the screen 7 is completed. Conversely, a screen 7 of another specification can be installed, which is convenient for the staff to replace the screens 7 of different specifications according to work requirements, so that the staff can control the device to screen different seeds The device is processed separately, which greatly improves the applicability of the device. The hand-held rod 12 runs through the left side of the connecting block 9. The inner side of the moving block 11 is fixedly connected with a short rod 13. The outer surface of the short rod 13 is sleeved with a return spring 14. The reaction force generated by the extrusion of the return spring 14 can continuously squeeze the moving block 11 outward, so that the moving block 11 can drive the limit block 10 to move outward along the inside of the connecting block 9 until the limit block 10 passes through the inner wall of the connecting block 9 and is finally firmly inserted into the inside of the limit hole 8, thereby improving the fixing effect between the connecting block 9 and the mounting plate 5, and indirectly ensuring the stability of the screen 7 when it is in use. The right side of the upper surface of the bottom plate 1 is fixedly connected with a drive motor 15 The driving motor 15 can indirectly drive the screen 7 to move back and forth, so that the screen 7 can screen the seeds inside it and spread them out, so as to speed up the screening of the seeds and improve the working efficiency of the device. At the same time, it also effectively prevents the seeds from accumulating in one place inside the screen 7, causing the screen 7 to be blocked, thereby ensuring the screening effect of the device on the seeds. The output end of the driving motor 15 is fixedly connected with a turntable 16, and the right side of the upper surface of the turntable 16 is fixedly connected with a fixing rod 17. The outer surface of the fixing rod 17 is movably sleeved with a transmission rod 18, and the left end of the transmission rod 18 is rotatably connected with a fixing block 19, and the left side of the fixing block 19 is fixedly connected to the right side of the mounting plate 5.

[0024] In order to improve the convenience of the device when being used, the utility model is provided with rotatable moving wheels 2 on the outer side of the lower surface of the base plate 1, and the number of the moving wheels 2 is set to four groups. Due to the rotatability of the moving wheels 2, the device has a movable function, which improves the convenience of the device when being used.

[0025] In order to facilitate the staff to control the hand-held rod 12 to move along the inside of the connecting block 9, the utility model provides a through groove in the middle of the left side of the connecting block 9, and the inner diameter of the through groove is adapted to the outer diameter of the hand-held rod 12, which facilitates the staff to control the hand-held rod 12 to move along the inside of the connecting block 9.

[0026] In order to extend the service life of the connecting block 9, the limiting block 10, the moving block 11, the hand-held rod 12 and the short rod 13, the utility model sets the connecting block 9, the limiting block 10, the moving block 11, the hand-held rod 12 and the short rod 13 as the manufacturing materials. The stainless steel has a high hardness and is not easy to deform, thereby extending the service life of the connecting block 9, the limiting block 10, the moving block 11, the hand-held rod 12 and the short rod 13.

[0027] In order to facilitate the movement of the moving block 11 along the inside of the connecting block 9, the utility model provides a moving groove inside the connecting block 9, the inner diameter of the moving groove is adapted to the outer diameter of the moving block 11, which facilitates the movement of the moving block 11 along the inside of the connecting block 9.

[0028] In order to improve the stability of the connection between the support rod 4 and the base plate 1, the utility model has a triangular plate fixedly connected to the bottom of the outer side of the support rod 4, and the lower surface of the triangular plate is fixedly connected to the upper surface of the base plate 1. The triangular plate increases the connection area between the support rod 4 and the base plate 1, and improves the stability of the connection between the support rod 4 and the base plate 1.

[0029] The electrical components mentioned in this article are all connected to an external main controller and 220V mains electricity, and the main controller can be a conventional known device for controlling a computer or the like.

[0030] When in use, because of the rotatability of the moving wheel 2, the staff first moves the device to the designated working position, and then the staff replaces the screen 7 according to work needs, and then the staff controls the hand-held rod 12 to drive the moving block 11 and the limiting block 10 to move inward along the inside of the connecting block 9, and at the same time, the moving block 11 drives the short rod 13 to squeeze the return spring 14 inward until the limiting block 10 is moved out of the limiting hole 8, thereby releasing the fixation between the connecting block 9 and the mounting plate 5, and then controls the connecting block 9 to move to the left along the outer surface of the mounting plate 5 until the connecting block 9 is separated from the outer side surface of the mounting plate 5, so that it releases the blocking of the screen 7, and then controls the screen 7 to drive the limiting plate 6 to move to the left along the outer surface of the mounting plate 5 until the screen 7 is separated from the inside of the mounting plate 5, thereby completing the disassembly of the screen 7, and then Then, a screen 7 of another specification can be installed inside the device, and then the staff puts the seeds to be screened into the screen 7, and then the staff starts the drive motor 15, so that the output end of the drive motor 15 can drive the turntable 16, the fixed rod 17 and the right end of the transmission rod 18 to rotate, so that the outer end of the transmission rod 18 rotates along the inside of the fixed block 19 and the outer surface of the fixed rod 17 respectively, so that the left end of the transmission rod 18 drives the fixed block 19 and the mounting plate 5 to reciprocate left and right along the inside of the support rod 4, and at the same time, the mounting plate 5 drives the screen 7 to reciprocate left and right, so that the screen 7 starts to screen the seeds inside it until the seeds are screened, so that the seeds that meet the specifications remain in the screen 7, and the seeds and impurities that do not meet the specifications will pass through the inside of the screen 7 and finally fall into the inside of the collection box 3.

[0031] To sum up, the seed screening device for agricultural cultivation drives the limit block 10 to move out of the limit hole 8 by controlling the hand-held rod 12, thereby releasing the fixation between the connecting block 9 and the mounting plate 5, and then controls the connecting block 9 to slide to the left until it is separated from the outer side of the mounting plate 5, thereby releasing the obstruction of the screen 7, and then moves the screen 7 to the left until the limit plate 6 is separated from the outer side of the mounting plate 5, thereby completing the disassembly of the screen 7. Conversely, a screen 7 of another specification can be installed, which facilitates the staff to replace the screens 7 of different specifications according to work requirements, so that the staff can control the device to screen different seeds, thereby greatly improving the applicability of the device.

[0032] The seed screening device for agricultural cultivation can indirectly drive the screen 7 to move back and forth through the driving motor 15, so that the screen 7 can screen the seeds inside it and spread them out, thereby speeding up the screening of seeds and improving the working efficiency of the device. At the same time, it also effectively prevents the seeds from accumulating in one place inside the screen 7, causing the screen 7 to be blocked, thereby ensuring the screening effect of the device on the seeds.

[0033] The seed screening device for agricultural cultivation continuously squeezes the moving block 11 outward through the reaction force generated by the extrusion of the return spring 14, so that the moving block 11 can drive the limiting block 10 to move outward along the inside of the connecting block 9 until the limiting block 10 passes through the inner wall of the connecting block 9 and is finally firmly inserted into the inside of the limiting hole 8, thereby improving the fixing effect between the connecting block 9 and the mounting plate 5, and indirectly ensuring the stability of the screen 7 when it is in use.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A seed screening device for agricultural cultivation, comprising a bottom plate (1) and a moving wheel (2), characterized in that: A collecting box (3) is placed on the left side of the upper surface of the bottom plate (1); a supporting rod (4) is fixedly connected to the outer side of the upper surface of the bottom plate (1); a movable mounting plate (5) is arranged inside the supporting rod (4); the outer side surface of the mounting plate (5) is movably in contact with the limiting plate (6); the inner side surface of the limiting plate (6) is fixedly connected with a screen (7); the screen (7) is in movably contact with the mounting plate (5); a limiting hole (8) is provided on the left side of the inner wall of the mounting plate (5); a connecting block (9) is movably sleeved on the left side of the outer side surface of the mounting plate (5); the right side surface of the connecting block (9) is in movably contact with the left side surface of the screen (7); the inner wall of the connecting block (9) is movably plugged with a limiting block (10); the limiting block (10) is movably plugged with the limiting hole (8); the inner side of the limiting block (10) is A moving block (11) is fixedly connected to the surface, a hand-held rod (12) is fixedly connected to the left side of the moving block (11), the hand-held rod (12) passes through the left side of the connecting block (9), a short rod (13) is fixedly connected to the inner side of the moving block (11), and a return spring (14) is sleeved on the outer surface of the short rod (13), a driving motor (15) is fixedly connected to the right side of the upper surface of the bottom plate (1), a rotating disk (16) is fixedly connected to the output end of the driving motor (15), a fixing rod (17) is fixedly connected to the right side of the upper surface of the rotating disk (16), a transmission rod (18) is movably sleeved on the outer surface of the fixing rod (17), and the left end of the transmission rod (18) is rotatably connected to a fixed block (19), and the left side of the fixing block (19) is fixedly connected to the right side of the mounting plate (5).

2. The seed screening device for agricultural cultivation according to claim 1, characterized in that: Rotatable moving wheels (2) are arranged on the outer side of the lower surface of the bottom plate (1), and the number of the moving wheels (2) is set to four groups.

3. The seed screening device for agricultural cultivation according to claim 1, characterized in that: A through slot is provided in the middle of the left side of the connecting block (9), and the inner diameter of the through slot is matched with the outer diameter of the hand-held rod (12).

4. The seed screening device for agricultural cultivation according to claim 1, characterized in that: The connecting block (9), the limiting block (10), the moving block (11), the hand-held rod (12) and the short rod (13) are all made of stainless steel.

5. The seed screening device for agricultural cultivation according to claim 1, characterized in that: A moving groove is provided inside the connecting block (9), and the inner diameter of the moving groove is matched with the outer diameter of the moving block (11).

6. The seed screening device for agricultural cultivation according to claim 1, characterized in that: A triangular plate is fixedly connected to the bottom of the outer side surface of the support rod (4), and the lower surface of the triangular plate is fixedly connected to the upper surface of the bottom plate (1).

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