Grading equipment for vegetable seed processing

Abstract

The utility model discloses grading equipment for vegetable seed processing, which comprises a first fixed supporting plate and a second fixed supporting plate, a bottom material collecting groove is arranged at the bottom between the first fixed supporting plate and the second fixed supporting plate, and a top screening structure is arranged at the top between the first fixed supporting plate and the second fixed supporting plate. A bottom screening structure is arranged in the middle of the position between the first fixed supporting plate and the second fixed supporting plate, and the top screening structure and the bottom screening structure each comprise a first rectangular frame, a material guiding and discharging hopper, a rectangular supporting frame, a second rectangular frame, a rectangular limiting ring, a screen and a handle. A swing structure is arranged between the top screening structure and the bottom screening structure. According to the grading equipment for vegetable seed processing, the structure is simple, the maintenance cost is reduced, the production and manufacturing cost is low, vegetable seeds can be conveniently screened, and the screened seeds can be conveniently collected.

Description

Technical Field

[0001] This utility model relates to the field of vegetable seed processing technology, specifically to a grading device for vegetable seed processing. Background Technology

[0002] Grading and screening is a crucial step in vegetable seed processing, directly affecting seed quality and subsequent planting results.

[0003] Currently, the most common seed grading equipment on the market mainly uses vibrating screens or drum screens for sieving, but these devices have the following drawbacks in practical applications:

[0004] 1. Complex structure and high maintenance cost: Existing equipment is usually composed of multiple transmission components and complex mechanical structures, which not only increases manufacturing costs, but also leads to difficult equipment maintenance, a high failure rate, and increased operating costs;

[0005] 2. Poor adaptability: The existing equipment is inconvenient to replace the screens and it is difficult to quickly adjust the screening specifications according to different seed sizes, which limits the versatility and flexibility of the equipment.

[0006] Therefore, we propose a grading device for vegetable seed processing. Utility Model Content

[0007] (a) Technical problems to be solved

[0008] To address the shortcomings of existing technologies, this utility model provides a grading device for vegetable seed processing. It has advantages such as simple structure, reduced maintenance costs, low production and manufacturing costs, and easy collection of sieved materials, which can effectively solve the problems in the background technology.

[0009] (II) Technical Solution

[0010] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a grading device for vegetable seed processing, comprising a first fixed support plate and a second fixed support plate, a bottom collecting trough being placed at the bottom between the first fixed support plate and the second fixed support plate, a top screening structure being provided at the top between the first fixed support plate and the second fixed support plate, and a bottom screening structure being provided in the middle between the first fixed support plate and the second fixed support plate. Both the top screening structure and the bottom screening structure include a first rectangular frame, a guide hopper, a rectangular support frame, a second rectangular frame, a rectangular limiting ring, a screen, and a handle. A swing structure is provided between the top screening structure and the bottom screening structure. The swing structure includes a driven shaft, a driving shaft, a worm gear, a motor, a rotating shaft, a worm, and a protective shell, and the protective shell is fixedly installed on the upper part of the outer wall of the first fixed support plate.

[0011] Preferably, there are two sets of the worm gear, drive shaft, worm wheel, and driven shaft. The drive shaft is fixedly installed at the middle of the outer surface of one end of the first rectangular frame, the driven shaft is fixedly installed at the middle of the outer surface of the other end of the first rectangular frame, the material guide hopper is fixedly installed at the lower outer surface of the first rectangular frame, the rectangular support frame is fixedly installed at the upper part of the inner cavity of the first rectangular frame, the screen is fixedly installed at the lower outer surface of the second rectangular frame, the rectangular limiting ring is fixedly installed at the upper outer surface of the second rectangular frame, and the handle is fixedly installed at the middle of the left and right ends of the upper outer surface of the rectangular limiting ring.

[0012] Preferably, the aperture of the screen in the top screening structure is larger than the aperture of the screen in the bottom screening structure.

[0013] Preferably, the second rectangular frame is inserted inside the first rectangular frame, and the rectangular limiting ring is located on the upper outer surface of the rectangular support frame.

[0014] Preferably, a sealed bearing is provided between the driven shaft and the second fixed support plate, and the driven shaft is rotatably connected to the second fixed support plate through the sealed bearing. A sealed bearing is provided between the driving shaft and the first fixed support plate, and the driving shaft is rotatably connected to the first fixed support plate through the sealed bearing. The worm gear is fixedly installed on the outer wall of one end of the driving shaft. The worm gear, the rotating shaft, and the worm are all located inside the protective shell. The worm is located on one side of the outer surface of the worm gear. Two sets of worms are fixedly installed on the outer walls of the upper and lower ends of the rotating shaft. The motor is fixedly installed on one side of the upper outer surface of the protective shell. Sealed bearings are provided between the driving shaft, the rotating shaft, and the protective shell. The driving shaft and the rotating shaft are rotatably connected to the protective shell through the sealed bearings. A coupling is provided between the rotating shaft and the motor. The upper outer surface of the rotating shaft is fixedly connected to the lower outer surface of the output shaft of the motor through the coupling.

[0015] Preferably, the lead angle (λ) of the worm is greater than the equivalent friction angle (φ) when it meshes with the worm wheel, so that the worm and worm wheel transmission is reversible and can reliably drive the worm wheel to achieve bidirectional rotation when the motor rotates in both directions.

[0016] (III) Beneficial Effects

[0017] Compared with the prior art, this utility model provides a grading device for vegetable seed processing, which has the following beneficial effects:

[0018] 1. This grading equipment for vegetable seed processing adopts a modular design, mainly consisting of a fixed support plate, a screening structure, and a swing structure. This reduces the use of complex mechanical parts, lowers the manufacturing cost and maintenance difficulty of the equipment, and the screen adopts a detachable design, which is convenient for replacement and cleaning, and extends the service life of the equipment.

[0019] 2. This grading equipment for vegetable seed processing adopts a double-layer screening structure (top screening structure and bottom screening structure), and the screen mesh size gradually decreases from top to bottom, which can complete multi-stage screening at one time, improving screening efficiency. The oscillating structure drives the screening structure to oscillate back and forth, which enhances the fluidity of the seeds, reduces screen hole clogging, and ensures screening uniformity and accuracy.

[0020] 3. This is a grading equipment for vegetable seed processing. The screen is fixed by a plug-in method, which makes it easy to quickly change the screen according to different seed sizes and improves the versatility of the equipment. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of a grading device for vegetable seed processing according to the present invention.

[0022] Figure 2 This is an exploded view of the top screening structure in a grading device for vegetable seed processing according to the present invention.

[0023] Figure 3 This is a partial structural schematic diagram of a grading device for vegetable seed processing according to the present invention.

[0024] Figure 4 This is a side cross-sectional view of the protective shell in a grading device for vegetable seed processing according to the present invention.

[0025] In the diagram: 1. First fixed support plate; 2. Second fixed support plate; 3. Bottom collecting trough; 4. Top screening structure; 5. Bottom screening structure; 6. Swinging structure; 7. First rectangular frame; 8. Guide hopper; 9. Rectangular support frame; 10. Second rectangular frame; 11. Rectangular limiting ring; 12. Screen; 13. Handle; 14. Driven shaft; 15. Driven shaft; 16. Worm gear; 17. Motor; 18. Rotating shaft; 19. Worm; 20. Protective shell. Detailed Implementation

[0026] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0027] This embodiment is a grading device for vegetable seed processing.

[0028] like Figure 1-4As shown, the structure includes a first fixed support plate 1 and a second fixed support plate 2. A bottom collection trough 3 is placed at the bottom between the first fixed support plate 1 and the second fixed support plate 2. A top screening structure 4 is provided at the top between the first fixed support plate 1 and the second fixed support plate 2. A bottom screening structure 5 is provided in the middle between the first fixed support plate 1 and the second fixed support plate 2. Both the top screening structure 4 and the bottom screening structure 5 include a first rectangular frame 7, a guide hopper 8, a rectangular support frame 9, a second rectangular frame 10, a rectangular limiting ring 11, a screen 12, and a handle 13. A swing structure 6 is provided between the top screening structure 4 and the bottom screening structure 5. The swing structure 6 includes a driven shaft 14, a driving shaft 15, a worm gear 16, a motor 17, a rotating shaft 18, a worm 19, and a protective shell 20. The protective shell 20 is fixedly installed on the upper part of the outer wall of the first fixed support plate 1.

[0029] The worm gear 19, drive shaft 15, worm wheel 16, and driven shaft 14 are each in two sets. The drive shaft 15 is fixedly installed at the middle of the outer surface of one end of the first rectangular frame 7, and the driven shaft 14 is fixedly installed at the middle of the outer surface of the other end of the first rectangular frame 7. The material guide hopper 8 is fixedly installed on the lower outer surface of the first rectangular frame 7. The rectangular support frame 9 is fixedly installed on the upper part of the inner cavity of the first rectangular frame 7. The screen 12 is fixedly installed on the lower outer surface of the second rectangular frame 10. The rectangular limiting ring 11 is fixedly installed on the second rectangular frame. The handle 13 is fixedly installed at the middle of the left and right ends of the upper outer surface of the rectangular limiting ring 11; the aperture of the screen 12 in the top screening structure 4 is larger than the aperture of the screen 12 in the bottom screening structure 5; the second rectangular frame 10 is inserted into the interior of the first rectangular frame 7, and the rectangular limiting ring 11 is limited to the upper outer surface of the rectangular support frame 9; a sealed bearing is provided between the driven shaft 14 and the second fixed support plate 2, and the driven shaft 14 is rotatably connected to the second fixed support plate 2 through the sealed bearing; the drive shaft 15 A sealed bearing is provided between the drive shaft 15 and the first fixed support plate 1. The drive shaft 15 is rotatably connected to the first fixed support plate 1 through the sealed bearing. The worm gear 16 is fixedly installed on the outer wall of one end of the drive shaft 15. The worm gear 16, the rotating shaft 18, and the worm 19 are all located inside the protective shell 20. The worm 19 is located on one side of the outer surface of the worm gear 16. Two sets of worms 19 are fixedly installed on the outer walls of the upper and lower ends of the rotating shaft 18. The motor 17 is fixedly installed on one side of the upper outer surface of the protective shell 20. The drive shaft 15, the rotating shaft 18, and the protective shell 20 are connected. Sealed bearings are installed between the drive shaft 15 and the rotating shaft 18, which are rotatably connected to the protective shell 20 through the sealed bearings. A coupling is installed between the rotating shaft 18 and the motor 17. The upper outer surface of the rotating shaft 18 is fixedly connected to the lower outer surface of the output shaft in the motor 17 through the coupling. The lead angle (λ) of the worm 19 is greater than the equivalent friction angle (φ) when it meshes with the worm wheel 16, so that the transmission between the worm 19 and the worm wheel 16 is reversible, ensuring that the motor 17 can reliably drive the worm wheel 16 to achieve bidirectional rotation when rotating in both directions.

[0030] It should be noted that this utility model is a grading device for vegetable seed processing. It includes a top screening structure 4 and a bottom screening structure 5, which have the same structural composition. The top screening structure 4 is positioned above the bottom screening structure 5. The aperture of the screen 12 in the top screening structure 4 is larger than that in the bottom screening structure 5, and the specific aperture can be customized as needed. During assembly, simply place the second rectangular frame 10 inside the first rectangular frame 7. At this time, the rectangular limiting ring 11 is positioned above the rectangular support frame 9, providing support and limiting for quick assembly and disassembly. The seeds to be screened are placed in the second rectangular frame. Inside the 10, screening is performed by the screens 12 in the top screening structure 4 and the bottom screening structure 5. The large-hole screen retains large seeds, while the small-hole screen separates small particles. The oscillating structure 6 drives the top screening structure 4 and the bottom screening structure 5 to oscillate, improving the screening effect. The operation of the motor 17 in the oscillating structure 6 drives the rotating shaft 18 to rotate, which in turn drives the worm gear 19 to rotate. The motor 17 drives the worm gear 19 to rotate forward and backward, which in turn drives the worm wheel 16 to rotate forward and backward. The worm wheel 16 drives the drive shaft 15 to rotate forward and backward, which in turn drives the top screening structure 4 and the bottom screening structure 5 to rotate forward and backward, thereby causing the top screening structure 4 and the bottom screening structure 5 to oscillate, improving the screening effect.

[0031] It should be noted that, in this document, relational terms such as first and second (number one, number two), etc., are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0032] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A grading device for processing vegetable seeds, comprising a first stationary support plate (1) and a second stationary support plate (2), characterized in that: A bottom material collection trough (3) is placed at the bottom between the first fixed support plate (1) and the second fixed support plate (2). A top screening structure (4) is provided at the top between the first fixed support plate (1) and the second fixed support plate (2). A bottom screening structure (5) is provided in the middle between the first fixed support plate (1) and the second fixed support plate (2). The top screening structure (4) and the bottom screening structure (5) each include a first rectangular frame (7), a guide hopper (8), a rectangular support frame (9), a second rectangular frame (10), a rectangular limiting ring (11), a screen (12), and a handle (13). A swing structure (6) is provided between the top screening structure (4) and the bottom screening structure (5). The swing structure (6) includes a driven shaft (14), a driving shaft (15), a worm gear (16), a motor (17), a rotating shaft (18), a worm (19), and a protective shell (20). The protective shell (20) is fixedly installed on the upper part of the outer wall of the first fixed support plate (1).

2. A grading apparatus for processing vegetable seeds as claimed in claim 1, wherein: The number of the worm (19), drive shaft (15), worm wheel (16) and driven shaft (14) are all two sets. The drive shaft (15) is fixedly installed in the middle of the outer surface of one end of the first rectangular frame (7). The driven shaft (14) is fixedly installed in the middle of the outer surface of the other end of the first rectangular frame (7). The guide hopper (8) is fixedly installed in the lower outer surface of the first rectangular frame (7). The rectangular support frame (9) is fixedly installed in the upper part of the inner cavity of the first rectangular frame (7). The screen (12) is fixedly installed in the lower outer surface of the second rectangular frame (10). The rectangular limiting ring (11) is fixedly installed in the upper outer surface of the second rectangular frame (10). The handle (13) is fixedly installed in the middle of the left and right ends of the upper outer surface of the rectangular limiting ring (11).

3. A grading apparatus for processing vegetable seeds as claimed in claim 2, wherein: The aperture of the screen (12) in the top screening structure (4) is larger than the aperture of the screen (12) in the bottom screening structure (5).

4. A grading apparatus for processing vegetable seeds as claimed in claim 3, wherein: The second rectangular frame (10) is inserted into the interior of the first rectangular frame (7), and the rectangular limiting ring (11) is limited to the upper outer surface of the rectangular support frame (9).

5. A grading apparatus for processing vegetable seeds as claimed in claim 4, wherein: A sealed bearing is provided between the driven shaft (14) and the second fixed support plate (2), and the driven shaft (14) is rotatably connected to the second fixed support plate (2) through the sealed bearing. A sealed bearing is provided between the driving shaft (15) and the first fixed support plate (1), and the driving shaft (15) is rotatably connected to the first fixed support plate (1) through the sealed bearing. The worm gear (16) is fixedly installed on the outer wall of one end of the driving shaft (15). The worm gear (16), the rotating shaft (18), and the worm (19) are all located inside the protective shell (20). The worm (19) is located on one side of the worm gear (16). On the outer side surface, two sets of worm gears (19) are fixedly installed on the outer walls of the upper and lower ends of the rotating shaft (18). The motor (17) is fixedly installed on one side of the upper outer surface of the protective shell (20). Sealed bearings are provided between the drive shaft (15), the rotating shaft (18) and the protective shell (20). The drive shaft (15) and the rotating shaft (18) are rotatably connected to the protective shell (20) through the sealed bearings. A coupling is provided between the rotating shaft (18) and the motor (17). The upper outer surface of the rotating shaft (18) is fixedly connected to the lower outer surface of the output shaft in the motor (17) through the coupling.

6. A grading apparatus for processing vegetable seeds as claimed in claim 5, wherein: The lead angle (λ) of the worm (19) is greater than the equivalent friction angle (φ) when it meshes with the worm wheel (16), so that the transmission between the worm (19) and the worm wheel (16) is reversible, ensuring that the motor (17) can reliably drive the worm wheel (16) to achieve bidirectional rotation when it rotates in both directions.

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