Sunflower seed threshing equipment
By designing a combination of extrusion conveyor belt, gripper, threshing screen and vibrating screen, the problem of discontinuous threshing of sunflower seeds was solved, and efficient separation of seeds and impurities was achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-13
- Publication Date
- 2026-04-10
AI Technical Summary
Existing sunflower seed threshing methods lack continuity, and both manual and mechanical threshing equipment are inefficient and discontinuous.
A sunflower seed threshing device was designed, comprising an extrusion conveyor belt, a gripper, a threshing screen, a vibrating screen, and a guide plate. The separation of seeds and impurities is achieved by the movement of the extrusion conveyor belt and the vibration of the vibrating screen. Combined with the extrusion action of the lower pressure roller, the threshing efficiency is improved.
This technology enables continuous threshing of sunflower seeds, improving threshing efficiency and separation effect, and ensuring effective separation of seeds from impurities.
Smart Images

Figure CN224098276U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to seed threshing equipment technical field, concretely is a sunflower seed threshing equipment. BACKGROUND
[0002] Sunflower, also known as Chaoyang flower, is named because its flower disc rotates with the sun. The plant is tall and straight, with thick stems and heart-shaped green leaves. In summer, the golden yellow petals surround the large flower disc, like a small golden sun, bright and beautiful. It not only has high ornamental value, but also its seeds are rich in oil and protein, which are high-quality raw materials for making edible oil and delicious snacks. The existing threshing means mainly includes manual and mechanical methods. After the sunflower disc is dried, it is knocked with a stick to make the seeds fall off, and then collected. Mechanical threshing is mostly using small threshing equipment, placing the sunflower disc on it, and using the friction of the grid moving or rotating to make the seeds fall off. This method lacks continuity. Therefore, it is necessary to develop a sunflower seed threshing equipment with continuity to meet the needs. SUMMARY
[0003] In view of the above technical problems, the utility model provides a sunflower seed threshing equipment.
[0004] To solve the above technical problems, the utility model adopts the technical scheme of a sunflower seed threshing equipment, which comprises a shell, a first conveying belt is arranged at the front of the shell, an extrusion conveying belt is rotatably connected to the top of the shell, a plurality of nails are fixedly connected to the extrusion conveying belt, a threshing screen, a vibrating screen and a guide plate are sequentially arranged below the extrusion conveying belt from top to bottom, the distance between the extrusion conveying belt and the threshing screen becomes narrower from front to back, the upper surface of the threshing screen is a grid, the front end of the threshing screen is located behind the end of the first conveying belt, a sunflower disc outlet is fixedly connected to the end of the extrusion conveying belt, a seed outlet is fixedly connected to the end of the vibrating screen, an impurity outlet is fixedly connected to the end of the guide plate, a linear motor and a first motor are connected to the side of the shell, the telescopic shaft of the linear motor penetrates through the shell and is connected with the threshing screen, the rotating shaft of the first motor penetrates through the shell and is fixedly connected with the main roller of the extrusion conveying belt, a vibration motor group is fixedly connected to the shell, and the vibrating screen is controlled by the vibration motor group.
[0005] Further, a protective shell is connected to the front of the shell, the protective shell is located below the first conveying belt, the front end of the protective shell is connected with a temporary storage hopper, a sunflower disc passage is formed between the temporary storage hopper and the first conveying belt, and supporting legs are fixedly connected below the protective shell.
[0006] Further, the side of the protective shell is fixedly connected with a second motor, and the rotating shaft of the second motor penetrates the protective shell and is fixedly connected with the main roller of the first conveying belt.
[0007] Further, a sliding groove is fixedly connected in the shell, and a sliding rail is fixedly connected at the bottom of the threshing sieve and slides in the sliding groove.
[0008] Further, a lower pressing roller is rotationally connected in the shell and is located inside the extrusion conveying belt and close to the lower surface.
[0009] Further, a baffle is fixedly connected in the shell above the sunflower disc outlet.
[0010] Compared with the prior art, the utility model has the following advantages:
[0011] 1. The utility model sets up extrusion conveying belt, and sets up grab nail on extrusion conveying belt, is convenient for moving sunflower disc, simultaneously, grab nail has fixed function, can assist sunflower threshing, sets up threshing sieve, utilizes left and right movement of threshing sieve, carries out sunflower threshing, and the threshing effect is good, sets up vibration sieve and guide plate, is favorable for separating seed and impurity, sets up first conveying belt, is convenient for staff to turn over sunflower disc on it, and the distance between extrusion conveying belt and threshing sieve is narrow from front to back.
[0012] 2. The utility model sets up lower pressing roller, utilizes lower pressing roller to make sunflower disc and threshing sieve extrude more tightly, and it is convenient for threshing. ACCURACY
[0013] Figure 1 It is a structural schematic view of the utility model.
[0014] Figure 2 It is a structural schematic view of the shell inside the utility model.
[0015] Figure 3 It is a structural schematic view of the protective shell of the utility model.
[0016] Figure 4 It is a structural schematic view of the threshing sieve of the utility model.
[0017] 1, shell, 2, extrusion conveying belt, 3, grab nail, 4, lower pressing roller, 5, baffle, 6, sunflower disc outlet, 7, sliding rail, 8, sliding groove, 9, threshing sieve, 10, vibration sieve, 11, vibration motor group, 12, guide plate, 13, protective shell, 14, support leg, 15, temporary storage hopper, 16, first conveying belt, 17, sunflower disc through hole, 18, first motor, 19, linear motor, 20, seed outlet, 21, impurity outlet, 22, second motor, 23, grid. DETAILED DESCRIPTION
[0018] The utility model will be further described below in combination with the drawings.
[0019] As Figures 1-4 Sunflower seed threshing equipment shown in the drawing, including casing 1, the front of casing 1 is provided with first conveyor belt 16, the top of casing 1 is rotatably connected with extrusion conveyor belt 2, and a plurality of grab nails 3 are fixedly connected on extrusion conveyor belt 2, wherein the grab nail 3 is a tapered nail, a threshing screen 9, a vibrating screen 10 and a guide plate 12 are sequentially arranged from top to bottom below extrusion conveyor belt 2, wherein the vibrating screen 10 and the guide plate 12 are both arranged towards the rear direction, the distance between extrusion conveyor belt 2 and the threshing screen 9 narrows from front to back, the upper surface of the threshing screen 9 is a grid 23, and the front end of the threshing screen 9 is located behind the end of the first conveyor belt 16, the end of extrusion conveyor belt 2 is fixedly connected with sunflower disc outlet 6, the end of vibrating screen 10 is fixedly connected with seed outlet 20, and the end of guide plate 12 is fixedly connected with impurity outlet 21, wherein the sunflower disc outlet 6, the seed outlet 20 and the impurity outlet 21 are all U-shaped chutes, a strip hole is formed in the connection part of the chutes and the casing 1, a linear motor 19 and a first motor 18 are connected to the side of the casing 1, the telescopic shaft of the linear motor 19 penetrates through the casing 1 and is connected with the threshing screen 9, the rotating shaft of the first motor 18 penetrates through the casing 1 and is fixedly connected with the main roller of extrusion conveyor belt 2, the casing 1 is fixedly connected with a vibrating motor group 11, and the vibrating screen 10 is controlled by the vibrating motor group 11.
[0020] It should be noted that, in the working process, the staff needs to manually turn over the sunflower disc on the first conveyor belt 16 so that the seeds face downward.
[0021] In order to facilitate the support of the first conveyor belt 16, a protective shell 13 is connected to the front of the casing 1, the protective shell 13 is located below the first conveyor belt 16, the front end of the protective shell 13 is connected with a temporary storage hopper 15, a sunflower disc pass-through opening 17 is formed between the temporary storage hopper 15 and the first conveyor belt 16, and support legs 14 are welded below the protective shell 13.
[0022] In order to facilitate the rotation of the first conveyor belt 16, a second motor 22 is fixedly connected to the side of the protective shell 13, the rotating shaft of the second motor 22 penetrates through the protective shell 13 and is fixedly connected with the main roller of the first conveyor belt 16.
[0023] In order to facilitate the stable left-right movement of the threshing screen 9, a sliding groove 8 is fixedly connected in the casing 1, and a sliding rail 7 is fixedly connected to the bottom of the threshing screen 9 and slides in the sliding groove 8.
[0024] In order to facilitate the stable extrusion of the sunflower disc, a lower pressing roller 4 is rotatably connected in the casing 1, and the lower pressing roller 4 is located inside the extrusion conveyor belt 2 and close to the lower surface.
[0025] In order to facilitate the sunflower disc to smoothly fall off the grab nail 3, a baffle 5 is fixedly connected in the casing 1 above the sunflower disc outlet 6.
[0026] The specific working process of the utility model is as follows:
[0027] When working, the dried sunflower tray is loaded into the temporary storage hopper 15, the second motor 22 is started, the first conveying belt 16 is driven to rotate, the sunflower tray is sent into the shell 1, meanwhile, the staff manually turns the sunflower tray on the first conveying belt 16 downward, the sunflower tray initially downward does not need to be turned, the first motor 18 and the linear motor 19 are started, the extrusion conveying belt 2 rotates, the sunflower tray is fixed by the grabbing nail 3, moves backward, meanwhile, the threshing screen 9 moves left and right under the action of the linear motor 19, so that the seeds on the sunflower tray are made to fall by the grid 23, the seeds and impurities fall on the vibrating screen 10, the sunflower tray after threshing moves to the rear end of the threshing screen 9, then the baffle 5 blocks the sunflower tray from moving to the upper part with the grabbing nail 3 on the extrusion conveying belt 2, the sunflower tray is discharged from the sunflower tray outlet 6, after the seeds and impurities fall on the vibrating screen 10, the vibrating motor set 11 is started, the vibrating screen 10 starts to vibrate, the impurities fall on the guide plate 12, the seeds are discharged from the seed outlet 20, and the impurities are discharged from the impurity outlet 21.
Claims
1. A sunflower seed threshing apparatus comprising a housing (1), characterised in that: The front of the shell (1) is provided with a first conveyor belt (16), the top of the shell (1) is rotatably connected with an extrusion conveyor belt (2), a plurality of nails (3) are fixedly connected on the extrusion conveyor belt (2), a threshing screen (9), a vibrating screen (10) and a guide plate (12) are sequentially arranged from top to bottom below the extrusion conveyor belt (2), the distance between the extrusion conveyor belt (2) and the threshing screen (9) is narrowed from front to back, the upper surface of the threshing screen (9) is a grid (23), the front end of the threshing screen (9) is located behind the end of the first conveyor belt (16), the end of the extrusion conveyor belt (2) is fixedly connected with a sunflower disc outlet (6), the end of the vibrating screen (10) is fixedly connected with a seed outlet (20), the end of the guide plate (12) is fixedly connected with an impurity outlet (21), a linear motor (19) and a first motor (18) are connected to the side of the shell (1), the telescopic shaft of the linear motor (19) penetrates the shell (1) and is connected with the threshing screen (9), the rotating shaft of the first motor (18) penetrates the shell (1) and is fixedly connected with the main roller of the extrusion conveyor belt (2), a vibration motor group (11) is fixedly connected to the shell (1), and the vibrating screen (10) is controlled by the vibration motor group (11).
2. The sunflower seed dehulling apparatus of claim 1, wherein: The front of the shell (1) is connected with a protective shell (13), the protective shell (13) is located below the first conveyor belt (16), the front end of the protective shell (13) is connected with a temporary storage hopper (15), a sunflower disc opening (17) is formed between the temporary storage hopper (15) and the first conveyor belt (16), and a supporting leg (14) is fixedly connected below the protective shell (13).
3. The sunflower seed dehulling apparatus of claim 2, wherein: The side of the protective shell (13) is fixedly connected with a second motor (22), the rotating shaft of the second motor (22) penetrates the protective shell (13) and is fixedly connected with the main roller of the first conveyor belt (16).
4. The sunflower seed dehulling apparatus of claim 1, wherein: A sliding groove (8) is fixedly connected in the shell (1), and a sliding rail (7) is fixedly connected to the bottom of the threshing screen (9) and slides in the sliding groove (8).
5. The sunflower seed dehulling apparatus of claim 1, wherein: A pressing roller (4) is rotatably connected in the shell (1), and the pressing roller (4) is located inside the extrusion conveyor belt (2) and close to the lower surface.
6. The sunflower seed dehulling apparatus of claim 1, wherein: A baffle (5) is fixedly connected in the shell (1) above the sunflower disc outlet (6).