Pumpkin seed screening device
By designing a pumpkin seed screening device including a filter, a screening box and a driving mechanism, the problem of difficulty in classifying screening and dust in existing equipment is solved, efficient grading screening and dust cleaning is achieved, and seed quality and screening efficiency are improved.
Patent Information
- Application Number
- CN202411967599.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-03-28
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The existing pumpkin seed screening equipment has a single structure and is not easy to classify and screen seeds of different sizes. It is easy to cause the seeds to carry a lot of dust during the screening process, affecting the quality of the seeds.
A pumpkin seed screening device is designed, including a screening box, a filter, a screening box one and two, a driving mechanism and a vacuum fan. Gravels were removed through the filter, and the screening box one and two were rated and screened, and the graded screening of pumpkin seeds and dust collection and treatment were realized through the driving mechanism.
It realizes efficient grading and screening of pumpkin seeds and effective dust cleaning, improves seed quality and screening efficiency, and increases seed utilization and planting effect.
Smart Images

Figure CN119702435A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of breeding and screening, in particular to a pumpkin seed screening device. Background Art
[0002] In the process of pumpkin planting, the quality of seeds directly affects the subsequent germination rate, growth and yield. Therefore, screening pumpkin seeds is an important part of ensuring seed quality and improving planting efficiency. The application of screening devices can effectively remove impurities, damaged seeds and seeds that do not meet the standards, retain high-quality pumpkin seeds, and thus improve seed utilization and planting results;
[0003] With the continuous advancement of agricultural production technology, pumpkin seed screening devices have also experienced a development process from simple to complex, from manual to automatic. Modern screening devices pay more attention to automation, intelligence and efficiency, and through advanced mechanical design and sensor technology, they can achieve accurate screening and grading of pumpkin seeds.
[0004] When using the above technology, it was found that the following technical problems exist in the prior art: the existing technical screening equipment has a single structure, and it is not easy to classify and screen seeds of different sizes, which affects the seed screening process, and when screening pumpkin seeds, there are still a lot of dust and pebbles in the pumpkin seeds during collection. During the screening process of pumpkin seeds by this device, the pumpkin seeds will carry a lot of dust or dust, and then such dust needs to be vacuumed and collected to improve the cleanliness and quality of the pumpkin seeds. For this reason, we design a pumpkin seed screening device to provide another technical solution to the above technical problems. Summary of the invention
[0005] Based on this, it is necessary to provide a pumpkin seed screening device to address the above technical problems. First, a large amount of pumpkin seeds are poured from the inside of the feed port onto the top of the filter, and the filter effectively screens the stones contained in the pumpkin. The screened pumpkin seeds are introduced into the inside of screening box one, and then the screening box one is rotated to screen the smaller pumpkin seeds to the inside of screening box two. Finally, the dust attached to the pumpkin seeds falls through the screening box two and falls into the inside of the dust collecting box one, thereby pulling the dust collecting box one to discharge the collected dust for treatment. This makes it easy to grade, screen and filter the pumpkin seeds, thereby improving the quality of breeding and increasing the effect and convenience of pumpkin seed screening.
[0006] In order to solve the above technical problems, the present invention adopts the following technical solutions:
[0007] A pumpkin seed screening device comprises a screening box, wherein the bottom end of the top of the screening box is rotatably connected to a screening box one and a screening box two, an inlet is provided at the top of the screening box, connecting rods are fixed on both sides of one end of the screening box one and the screening box two, a protective box is fixed at the left end of the screening box, a driving mechanism for driving the screening box one and the screening box two to grade and screen pumpkin seeds is arranged inside the protective box, a discharge port is provided on one side of the screening box, and the bottom end of the inner side of the discharge port is fixed to a discharge plate.
[0008] As a preferred embodiment of the pumpkin seed screening device provided by the present invention, a material guide hopper 2 is fixed inside the screening box and at the top of the screening box 1, and a material guide hopper 1 is fixed inside the screening box and at the top of the screening box 2.
[0009] As a preferred embodiment of the pumpkin seed screening device provided by the present invention, a filter screen is fixed on the inner side of the feed inlet.
[0010] As a preferred embodiment of the pumpkin seed screening device provided by the present invention, a dust collecting box is slidably connected to the bottom end of the screening box.
[0011] As a preferred embodiment of the pumpkin seed screening device provided by the present invention, one end of the screening box one and the screening box two pass through the screening box and are respectively fixed with a transmission cylinder, and the two transmission cylinders are rotatably connected by a transmission belt.
[0012] As a preferred embodiment of the pumpkin seed screening device provided by the present invention, the driving mechanism includes a linkage rod, a transmission block, a servo motor, a worm and a worm wheel, one side of the screening box is rotatably connected to the transmission block, both ends of the transmission block are rotatably connected to the linkage rod, and the end of the linkage rod away from the transmission block is rotatably connected to the connecting rod.
[0013] As a preferred embodiment of the pumpkin seed screening device provided by the present invention, arc-shaped slide grooves are provided on both sides of one end inside the screening box, and the inner side of the arc-shaped slide groove is slidably connected to the connecting rod.
[0014] As a preferred embodiment of the pumpkin seed screening device provided by the present invention, a material guide opening and closing mechanism is provided on one side of the screening box one and the screening box two, and the material guide opening and closing mechanism includes a worm gear, a traction block and a material guide plate, and both ends of one side of the screening box one and the screening box two are rotatably connected with the material guide plate.
[0015] As a preferred embodiment of the pumpkin seed screening device provided by the present invention, both ends of one side of the screening box one and the screening box two are rotatably connected with traction blocks, and the ends of the two traction blocks close to each other are respectively rotatably connected with the guide plates, and both ends of the screening box one and the screening box two are equipped with worm gears, and the output ends of the worm gears are rotatably connected with the traction blocks.
[0016] As a preferred embodiment of the pumpkin seed screening device provided by the present invention, the other end of the screening box is provided with an adsorption mechanism for collecting dust attached to the pumpkin, the adsorption mechanism includes a dust exhaust pipe, an adsorption bucket, a dust suction fan and a dust collection box 2, the top and bottom ends of the other end of the screening box are fixed with adsorption buckets, one end of the adsorption bucket is fixed with a dust exhaust pipe, the bottom end of the dust exhaust pipe is slidably connected to the dust collection box 2, and the inner side of the adsorption bucket is equipped with a dust suction fan.
[0017] It can be seen without a doubt that the above-mentioned technical solution of the present application can definitely solve the technical problem to be solved by the present application.
[0018] At the same time, through the above technical solutions, the present invention has at least the following beneficial effects:
[0019] The pumpkin seed screening device provided by the present invention starts a servo motor to drive the worm to rotate, and the worm drives the worm wheel to rotate, so that the worm wheel drives the transmission block to rotate synchronously, and the transmission block drives the linkage rod to move, and then the linkage rod drives the connecting rod and the first screening box to shake, so as to screen out full breeding of pumpkin seeds, and the first screening box drives the second screening box to rotate synchronously through the transmission belt, so as to screen smaller pumpkin seeds, so as to facilitate the graded screening and filtering of pumpkin seeds, thereby improving the quality of breeding and increasing the effect and convenience of pumpkin seed screening;
[0020] The guide plate is unfolded by starting the worm gear to drive the traction block, and the screened pumpkin seeds are introduced into the discharge plate from the inner side of the discharge port and discharged in order so as to facilitate the discharge and collection of the screened pumpkin seeds, so that the pumpkin seeds after screening by the screening box 1 and the screening box 2 are discharged in order, thereby improving the screening and collection effect of the pumpkin;
[0021] When pumpkin seeds are screened by screening box one and screening box two, screening box one and screening box two will cause dust to be raised during the screening process, thus affecting the working effect. Therefore, the dust suction fan is started to drive the dust raised inside the screening box to be adsorbed into the adsorption bucket, dust exhaust pipe and dust collection box two, and then the dust is collected and processed through dust collection box two. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying any creative work.
[0023] Figure 1 It is a schematic diagram of the overall structure of the present invention;
[0024] Figure 2 It is a schematic diagram of the structure of the overall outer side of the present invention;
[0025] Figure 3 It is a schematic diagram of the structure of the driving mechanism of the present invention;
[0026] Figure 4 It is a schematic diagram of the internal structure of the screening box of the present invention;
[0027] Figure 5 This is a schematic diagram of the rotating structure of the screening box 1 and the screening box 2 and the screening box of the present invention;
[0028] Figure 6 It is a schematic diagram of the structure between the first screening box and the second screening box of the present invention;
[0029] Figure 7 It is a schematic diagram of the structure between the servo motor and the transmission block of the present invention;
[0030] Figure 8 This is a schematic diagram of the connection structure between the worm gear and the traction block of the present invention;
[0031] Fig. 9 It is a schematic diagram of the structure of the adsorption mechanism of the present invention;
[0032] Fig.10 It is a schematic diagram of the connection structure between the dust exhaust pipe and the dust collection box of the present invention.
[0033] In the figure: 1. screening box; 2. protection box; 3. feeding port; 4. guide hopper 1; 5. discharge plate; 6. dust exhaust pipe; 7. arc chute; 8. linkage rod; 9. transmission cylinder; 10. dust collecting box 1; 11. filter screen; 12. guide hopper 2; 13. screening box 1; 14. transmission block; 15. discharge port; 16. screening box 2; 17. servo motor; 18. worm; 19. worm gear; 20. traction block; 21. guide plate; 22. adsorption hopper; 23. dust suction fan; 24. dust collecting box 2; 26. connecting rod. DETAILED DESCRIPTION
[0034] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.
[0035] As described in the background technology, the existing technical screening equipment has a single structure and is not easy to classify and screen seeds of different sizes, which affects the seed screening process. In addition, when screening pumpkin seeds, there is a large amount of dust and pebbles in the pumpkin seeds during collection. During the screening process of pumpkin seeds by this device, the pumpkin seeds will carry a large amount of dust or dust, and then such dust needs to be vacuumed and collected to improve the cleanliness and quality of the pumpkin seeds.
[0036] In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings.
[0037] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.
[0038] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.
[0039] Embodiment 1
[0040] Please refer to Figure 1-Figure 7 A pumpkin seed screening device comprises a screening box 1, wherein the bottom of the top of the screening box 1 is rotatably connected with a screening box 13 and a screening box 2 16, an inlet 3 is provided at the top of the screening box 1, a filter screen 11 is fixed inside the inlet 3, a guide hopper 2 12 is fixed inside the screening box 1 and located at the top of the screening box 1 13, and a guide hopper 1 4 is fixed inside the screening box 1 and located at the top of the screening box 2 16, and the screened pumpkin seeds are effectively introduced into the transmission block 14 and the screening block 14 through the guide hopper 2 12 and the guide hopper 1 4. The inner side of the selection box 16 prevents pumpkin seeds from splashing onto the inner side of the screening box 1. Connecting rods 26 are fixed to both sides of one end of the screening box 13 and the screening box 16. A protective box 2 is fixed to the left end of the screening box 1. A driving mechanism for driving the screening box 13 and the screening box 16 to grade and screen the pumpkin seeds is provided inside the protective box 2. A discharge port 15 is provided on one side of the screening box 1. The bottom end of the inner side of the discharge port 15 is fixed to the discharge plate 5. The bottom end of the screening box 1 is slidably connected to a dust collecting box 10.
[0041] When in use, first pour a large amount of pumpkin seeds from the inner side of the feed port 3 onto the top of the filter screen 11, and the filter screen 11 effectively screens the stones contained in the pumpkin, and the screened pumpkin seeds are introduced into the inner side of the screening box 13, and then the screening box 13 is rotated to screen the smaller pumpkin seeds into the inner side of the screening box 2 16, and finally the dust attached to the pumpkin seeds falls through the screening box 2 16 and falls into the interior of the dust collecting box 10, thereby pulling the dust collecting box 10 to discharge the collected dust, so through multi-stage screening, the quality of breeding is significantly improved, which helps to reduce crop growth problems caused by poor seed quality;
[0042] One end of the screening box 13 and the screening box 2 16 passes through the screening box 1 and is respectively fixed with a transmission cylinder 9, and the two transmission cylinders 9 are rotatably connected by a transmission belt. When one of the screening boxes 13 rotates, it drives the screening box 2 16 to rotate synchronously, so that the screening box 13 screens the pumpkin seeds, and the smaller pumpkin seeds fall to the inner side of the screening box 2 16 for filtering. Finally, the dust of the pumpkin seeds is filtered by the screening box 2 16 to the inner side of the dust collection box 10 for centralized cleaning;
[0043] The driving mechanism includes a linkage rod 8, a transmission block 14, a servo motor 17, a worm 18 and a worm wheel 19. One side of the screening box 1 is rotatably connected to the transmission block 14, and both ends of the transmission block 14 are rotatably connected to the linkage rod 8. One end of the linkage rod 8 away from the transmission block 14 is rotatably connected to the connecting rod 26. Both sides of one end of the inner part of the screening box 1 are provided with arc-shaped chute 7, and the inner side of the arc-shaped chute 7 is slidably connected to the connecting rod 26.
[0044] Furthermore, by starting the servo motor 17 to drive the worm 18 to rotate, the worm 18 drives the worm wheel 19 to rotate, so that the worm wheel 19 drives the transmission block 14 to rotate synchronously, and the transmission block 14 drives the linkage rod 8 to move, and then the linkage rod 8 drives the connecting rod 26 and the screening box 13 to shake, so as to screen out the full breeding of pumpkin seeds, and the synchronous screening box 13 drives the screening box 2 16 to rotate synchronously through the transmission belt, and then the smaller pumpkin seeds are screened. This shaking helps the pumpkin seeds to be fully tumbled and mixed in the screening box 13, so as to achieve the purpose of screening out full breeding, and the dust attached to the pumpkin seeds will fall into the dust collection box 10.
[0045] Embodiment 2
[0046] Please refer to Figure 8A pumpkin seed screening device, a material guide opening and closing mechanism is arranged on one side of the screening box 13 and the screening box 2 16, the material guide opening and closing mechanism comprises a worm gear 19, a traction block 20 and a material guide plate 21, both ends of one side of the screening box 13 and the screening box 2 16 are rotatably connected with the material guide plate 21, both ends of one side of the screening box 13 and the screening box 2 16 are rotatably connected with the traction block 20, the ends of the two traction blocks 20 close to each other are rotatably connected with the material guide plate 21 respectively, both ends of the screening box 13 and the screening box 2 16 are equipped with a worm gear 19, and the output end of the worm gear 19 is rotatably connected with the traction block 20;
[0047] Specifically, the screening box 13 and the screening box 2 16 are used to grade and screen the pumpkin seeds, and then the guide plates 21 on one side of the screening box 13 and the screening box 2 16 are opened to classify and collect the screened pumpkin seeds. Therefore, the worm gear 19 is started to drive the traction block 20 to unfold the guide plates 21, so as to discharge and collect the screened pumpkin seeds. The design of the guide plates 21 allows the seeds to slide down in an orderly manner, avoiding the accumulation and mixing of the seeds in the screening box, thereby ensuring the accuracy and reliability of the screening results, realizing efficient and accurate screening and classified collection of pumpkin seeds, and greatly improving the screening effect and practicality of the device.
[0048] Embodiment 3
[0049] Please refer to Fig. 9 and Fig.10 A pumpkin seed screening device, the other end of the screening box 1 is provided with an adsorption mechanism for collecting dust attached to the pumpkin, the adsorption mechanism includes a dust exhaust pipe 6, an adsorption bucket 22, a dust suction fan 23 and a dust collection box 24, the top and bottom ends of the other end of the screening box 1 are fixed with adsorption buckets 22, one end of the adsorption bucket 22 is fixed with a dust exhaust pipe 6, the bottom end of the dust exhaust pipe 6 is slidably connected with a dust collection box 24, and the inner side of the adsorption bucket 22 is equipped with a dust suction fan 23;
[0050] When the screening box 1 13 and the screening box 2 16 are screening pumpkin seeds, the screening box 1 13 and the screening box 2 16 will cause dust to be raised during the screening process, thereby affecting the working effect. Therefore, the dust suction fan 23 is started to drive the dust raised inside the screening box 1 to be adsorbed into the adsorption bucket 22, the dust exhaust pipe 6 and the dust collection box 2 24, and then the dust is collected and processed in a centralized manner through the dust collection box 2 24. It is usually designed to be detachable, which is convenient for operators to clean and replace regularly. When the dust in the dust collection box 2 24 accumulates to a certain extent, the operator can take it out and process it in a centralized manner, thereby ensuring the cleanliness of the internal environment of the screening box 1 and the smooth progress of the screening work;
[0051] The device can effectively reduce dust particles raised during the screening process, improve the cleanliness of the screening working environment and the accuracy of seed screening. At the same time, regular dust cleaning can also extend the service life of the device and protect the health of operators.
[0052] The use process of a pumpkin seed screening device provided by the present invention is as follows:
[0053] Working principle: when in use, first pour a large amount of pumpkin seeds from the inner side of the feed port 3 into the top of the filter screen 11, and the filter screen 11 effectively screens the stones contained in the pumpkin, and the screened pumpkin seeds are introduced into the inner side of the screening box 13, and the servo motor 17 is started to drive the worm 18 to rotate, and the worm 18 drives the worm wheel 19 to rotate, so that the worm wheel 19 drives the transmission block 14 to rotate synchronously, and the transmission block 14 drives the linkage rod 8 to move, and then the linkage rod 8 drives the connecting rod 26 and the screening box 13 to shake, so as to screen out full seeds for pumpkin seeds, and the synchronous screening box 13 drives the screening box 2 16 to rotate synchronously through the transmission belt, and then the smaller pumpkin seeds are screened, and the dust attached to the pumpkin seeds will fall into the inside of the dust collection box 10;
[0054] Then the screening box 13 and the screening box 2 16 are used to grade and screen the pumpkin seeds, and then the guide plate 21 on one side of the screening box 13 and the screening box 2 16 is opened to classify and collect the screened pumpkin seeds. Therefore, the worm gear 19 is started to drive the traction block 20 to unfold the guide plate 21, and the screened pumpkin seeds are introduced into the discharge plate 5 from the inner side of the discharge port 15 and discharged in an orderly manner so as to discharge and collect the screened pumpkin seeds, which greatly promotes the screening effect of the device. Finally, the dust suction fan 23 is started to drive the dust raised inside the screening box 1 to be adsorbed into the adsorption bucket 22, the dust discharge pipe 6 and the dust collection box 2 24, and then the dust is collected and processed through the dust collection box 2 24.
[0055] The preferred embodiments of the present invention disclosed above are only used to help explain the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the present invention to specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.
Claims
1. A pumpkin seed screening device, characterized in that: The invention comprises a screening box (1), wherein the bottom end of the top of the screening box (1) is rotatably connected to a screening box 1 (13) and a screening box 2 (16), the top of the screening box (1) is provided with a material inlet (3), the two sides of one end of the screening box 1 (13) and the screening box 2 (16) are fixed with connecting rods (26), the left end of the screening box (1) is fixed with a protection box (2), the protection box (2) is provided with a driving mechanism for driving the screening box 1 (13) and the screening box 2 (16) to grade and screen pumpkin seeds, and one side of the screening box (1) is provided with a discharge port (15), the bottom end of the inner side of the discharge port (15) is fixed to a discharge plate (5).
2. A pumpkin seed screening device according to claim 1, characterized in that: A second material guide hopper (12) is fixed inside the screening box (1) and at the top of the first screening box (13), and a first material guide hopper (4) is fixed inside the screening box (1) and at the top of the second screening box (16).
3. A pumpkin seed screening device according to claim 2, characterized in that: A filter screen (11) is fixed on the inner side of the feed inlet (3).
4. A pumpkin seed screening device according to claim 2, characterized in that: The bottom end of the interior of the screening box (1) is slidably connected to a dust collecting box (10).
5. A pumpkin seed screening device according to claim 2, characterized in that: One end of the screening box 1 (13) and the screening box 2 (16) passes through the screening box (1) and is respectively fixed with a transmission cylinder (9), and the two transmission cylinders (9) are rotationally connected via a transmission belt.
6. A pumpkin seed screening device according to claim 5, characterized in that: The driving mechanism comprises a linkage rod (8), a transmission block (14), a servo motor (17), a worm (18) and a worm wheel (19); one side of the screening box (1) is rotatably connected to the transmission block (14); both ends of the transmission block (14) are rotatably connected to the linkage rod (8); and one end of the linkage rod (8) away from the transmission block (14) is rotatably connected to a connecting rod (26).
7. A pumpkin seed screening device according to claim 6, characterized in that: Arc-shaped slide grooves (7) are provided on both sides of one end of the interior of the screening box (1), and the inner side of the arc-shaped slide groove (7) is slidably connected to the connecting rod (26).
8. A pumpkin seed screening device according to claim 2, characterized in that: A material guide opening and closing mechanism is provided on one side of the screening box one (13) and the screening box two (16), and the material guide opening and closing mechanism comprises a worm gear (19), a traction block (20) and a material guide plate (21), and both ends of one side of the screening box one (13) and the screening box two (16) are rotatably connected with the material guide plate (21).
9. A pumpkin seed screening device according to claim 8, characterized in that: Both ends of one side of the screening box 1 (13) and the screening box 2 (16) are rotatably connected to a traction block (20), and the ends of the two traction blocks (20) close to each other are respectively rotatably connected to a material guide plate (21), and both ends of the screening box 1 (13) and the screening box 2 (16) are equipped with a worm gear (19), and the output end of the worm gear (19) is rotatably connected to the traction block (20).
10. A pumpkin seed screening device according to claim 2, characterized in that: The other end of the screening box (1) is provided with an adsorption mechanism for collecting dust attached to the pumpkin, the adsorption mechanism comprising a dust exhaust pipe (6), an adsorption bucket (22), a dust suction fan (23) and a second dust collection box (24), the top and bottom ends of the other end of the screening box (1) are both fixed with an adsorption bucket (22), one end of the adsorption bucket (22) is fixed with a dust exhaust pipe (6), the bottom end of the inside of the dust exhaust pipe (6) is slidably connected with a second dust collection box (24), and the inner side of the adsorption bucket (22) is equipped with a dust suction fan (23).