Classification screening device for potato processing
By designing a screening box and a motor-driven conveyor belt with swaying screening plates, a grading and screening device was created, which solved the problem of easy clogging in potato screening devices and achieved efficient and reliable screening results.
Patent Information
- Application Number
- CN202422994733.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-05
- Publication Date
- 2025-11-14
- Estimated Expiration
- 2034-12-05
AI Technical Summary
Existing potato screening devices are prone to clogging problems. Manual screening is inefficient, and potatoes are easily stuck in the sieve holes during machine screening, resulting in low screening efficiency.
A grading and screening device was designed, comprising a screening box, a conveyor belt, a feeding plate, a screening plate, and a motor drive. The feeding plate, driven by the conveyor belt, distributes potatoes according to size. The staggered screening holes on the screening plate, in conjunction with the motor-driven shaking of the screening plate, prevent potatoes from getting stuck in the screening holes.
It improves potato screening efficiency, avoids clogging, enhances screening reliability and efficiency, and ensures that potatoes are separated in an orderly manner according to size.
Smart Images

Figure CN223543495U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of potato processing technology, specifically a grading and screening device for potato processing. Background Technology
[0002] The potato is an annual herbaceous plant belonging to the genus *Solanum* of the Solanaceae family. Its above-ground stem is rhomboid and hairy. Genetically modified potatoes have smooth surfaces; their leaves initially are simple, gradually developing into odd-pinnate compound leaves of varying sizes, ranging from ovate to oblong; the inflorescence is a corymb at the top, with white or bluish-purple flowers; the fruit is a berry; the tuber is flattened-round or spherical, hairless or sparsely pubescent; the skin is white, pale red, or purple; the flesh can be white, pale yellow, or yellow; it flowers in summer; and the potato is named for its resemblance to a horse bell.
[0003] Potatoes, a common food in our daily lives, can be processed into various products. Before production, processing, or sale, potatoes usually need to be screened to distribute them according to size. Currently, potato screening is generally done manually or by machine. Manual screening is inefficient, while machine screening is prone to potatoes getting stuck in the sieve holes due to their size, thus reducing the efficiency of machine screening.
[0004] Therefore, a grading and screening device for potato processing is specifically proposed. Summary of the Invention
[0005] To address the shortcomings of existing technologies, this utility model provides a grading and screening device for potato processing, which has a high-efficiency screening capability and can avoid the problem of potatoes getting stuck in the screen holes and causing blockage. This solves the problem of potatoes getting stuck in the screen holes and causing blockage during machine screening.
[0006] To achieve the above objectives, the present invention provides the following technical solution: a grading and screening device for potato processing, comprising a box body, a screening box fixedly installed on the top of the box body, and a distributing hopper fixedly installed on the top of the box body below the screening box;
[0007] The screening box is equipped with a material limiting component inside. The material limiting component includes a drive shaft movably installed on the left and right sides inside the screening box. A conveyor belt is movably installed between the two sets of drive shafts. The surfaces of the two sets of drive shafts and the conveyor belt that come into contact with each other are provided with meshing drive teeth. A material feeding plate is fixedly installed on the surface of the conveyor belt. A screening component is provided at the bottom of the screening box. The screening component includes a screening plate movably installed at the bottom of the screening box. Screening holes are opened on the surface of the screening plate, and the screening plate is located below the screening holes.
[0008] Preferably, the top of the screening box is provided with a feeding trough, the bottom of the screening box is provided with a discharging trough, and sponge pads are fixedly installed at the lower corner of the feeding trough and the inner corner of the distribution hopper.
[0009] Preferably, a first motor is fixedly installed at the front end of the screening box. The output end of the first motor passes through the screening box and is fixedly connected to the transmission shaft on the right side inside the screening box. The first motor drives the transmission shaft to rotate counterclockwise through the output end.
[0010] Preferably, the bottom of the screening box is provided with a screening groove, the screening plate is movably installed in the screening groove, a spring is fixedly installed at the rear end of the screening plate, and a toothed plate is fixedly installed on the bottom left side of the screening plate.
[0011] Preferably, a second motor is fixedly installed on the left side of the box, the output end of the second motor extends to the bottom of the screening box, and a half gear is fixedly installed on the output end of the second motor, the half gear being located below the toothed plate.
[0012] Preferably, the screening holes on the surface of the screening plate are directly above the material distribution hopper, and the screening holes are arranged in a staggered pattern.
[0013] Preferably, the box body has collection chambers on both the left and right sides, and each collection chamber contains a set of collection boxes.
[0014] Preferably, the discharge chute is connected to the collection chamber located on the right side of the box body, and the bottom of the distribution hopper is connected to the collection chamber located on the left side of the box body.
[0015] Compared with the prior art, the beneficial effects of this utility model are:
[0016] 1. This grading and screening device for potato processing, by installing a screening box, discharge trough, screening trough, distribution hopper, conveyor belt, feeding plate, screening plate, screening holes and other devices, has a high-efficiency screening capacity and can avoid the problem of potatoes getting stuck in the screen holes and causing blockage.
[0017] 2. This potato processing grading and screening device, by installing a screening box, screening trough, screening plate, screening holes, spring, toothed plate, second motor, half gear and other devices, further improves the potato screening capacity, increases the probability of potatoes passing through the screening holes, and avoids potatoes not being able to contact the screening holes during the screening process. Attached Figure Description
[0018] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.
[0019] Figure 1 This is a schematic diagram of the overall structure of the screening device of this utility model;
[0020] Figure 2 This is a schematic diagram of the internal planar structure of the screening device of this utility model;
[0021] Figure 3 This is a schematic diagram of the material limiting component of this utility model;
[0022] Figure 4 This is a schematic diagram of the screening component structure of this utility model.
[0023] Explanation of reference numerals in the attached figures:
[0024] 1. Box body; 11. Collection chamber; 12. Collection box; 2. Screening box; 21. Feed chute; 22. Discharge chute; 23. Sponge pad; 24. Screening trough; 3. Dividing hopper; 4. Material limiting component; 41. Drive shaft; 42. Conveyor belt; 43. Material feeding plate; 44. First motor; 5. Screening component; 51. Screening plate; 52. Screening hole; 53. Spring; 54. Toothed plate; 55. Second motor; 56. Half gear. Detailed Implementation
[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0026] Please see Figures 1 to 3 This utility model provides a technical solution:
[0027] A grading and screening device for potato processing includes a housing 1. A screening box 2 is fixedly installed on the top of the housing 1. A distributing hopper 3 is fixedly installed below the screening box 2 on the top of the housing 1. A limiting component 4 is provided inside the screening box 2. The limiting component 4 includes a drive shaft 41 movably installed on the left and right sides inside the screening box 2. A conveyor belt 42 is movably installed between the two sets of drive shafts 41. The surfaces of the two sets of drive shafts 41 and the conveyor belt 42 that come into contact with each other are provided with meshing drive teeth. A material-pulling plate 43 is fixedly installed on the surface of the conveyor belt 42. A screening component 5 is provided at the bottom of the screening box 2. The screening component 5 includes a screening plate 51 movably installed at the bottom of the screening box 2. Screening holes 52 are opened on the surface of the screening plate 51. The screening plate 51 is located below the screening holes 52.
[0028] The top of the screening box 2 is provided with a feeding trough 21, and the bottom of the screening box 2 is provided with a discharging trough 22. Sponge pads 23 are fixedly installed at the lower corner of the feeding trough 21 and at the inner corner of the distribution hopper 3. A first motor 44 is fixedly installed at the front end of the screening box 2. The output end of the first motor 44 passes through the screening box 2 and is fixedly connected to the transmission shaft 41 on the right side inside the screening box 2. The first motor 44 drives the transmission shaft 41 to rotate counterclockwise through the output end.
[0029] By adopting the above technical solution, during use, potatoes that need to be screened are placed into the feed trough 21 at the top of the screening box 2. Then, the first motor 44 at the front end of the screening box 2 is started. When the first motor 44 is working, its output end drives the transmission shaft 41 inside the screening box 2 to rotate. During the rotation of the transmission shaft 41, the transmission belt 42 sleeved on its surface rotates. During the rotation of the transmission belt 42, the material-dispensing plate 43 on its surface rotates. The material-dispensing plate 43 rotates counterclockwise with the transmission belt 42. During the rotation of the material-dispensing plate 43, the material-dispensing plate 43 moves the potatoes to the right. At this time, the potatoes are located in the gap between the two sets of material-dispensing plates 43. The potatoes move with the movement of the material-dispensing plate 43. When the potatoes move to the top of the screening plate 51, potatoes that meet the size of the screening holes 52 fall down into the distribution hopper 3 through the screening holes 52, and then fall into the left side of the box body 1 for collection. Inside the collection box 12 placed in chamber 11, if the diameter of a potato exceeds the screen hole 52, the moving push plate 43 will carry the potato out of the screen hole 52, allowing the potato to continue moving with the push plate 43 until it falls through the discharge chute 22 into the collection box 12 placed on the right side of the box body 1. During this process, the potato does not roll freely in the screen box 2, but is pushed to the right by the push plate 43. When the diameter of the potato is larger than the screen hole 52, it can be driven out of the screen hole 52 by the push plate 43 to continue moving, thereby avoiding the problem of the potato getting stuck in the screen hole 52 and screening the potatoes in an orderly manner. At the same time, sponge pads 23 are provided at the bends of the feed chute 21 leading to the screen box 2 and the bends inside the distribution hopper 3. The sponge pads 23 can play a certain cushioning role, thereby reducing the possibility of potatoes falling and getting injured.
[0030] Specifically, such as Figures 1 to 4 As shown, the bottom of the screening box 2 is provided with a screening groove 24, the screening plate 51 is movably installed in the screening groove 24, the rear end of the screening plate 51 is fixedly installed with a spring 53, the bottom left side of the screening plate 51 is fixedly installed with a toothed plate 54, the left side of the box body 1 is fixedly installed with a second motor 55, the output end of the second motor 55 extends to the bottom of the screening box 2, the output end of the second motor 55 is fixedly installed with a half gear 56, the half gear 56 is located below the toothed plate 54, the screening holes 52 opened on the surface of the screening plate 51 are directly above the distribution hopper 3, the screening holes 52 are arranged in a staggered manner, the left and right sides of the inside of the box body 1 are provided with a collection chamber 11, a set of collection boxes 12 are placed in the inside of the collection chamber 11, the discharge chute 22 is connected to the collection chamber 11 opened on the right side of the inside of the box body 1, and the bottom of the distribution hopper 3 is connected to the collection chamber 11 opened on the left side of the inside of the box body 1.
[0031] By adopting the above technical solution, the second motor 55 is simultaneously activated during use. The output end of the second motor 55 drives the half gear 56 to rotate. During the rotation of the half gear 56, it drives the screening plate 51 to move through the toothed plate 54. The surface of the half gear 56 is only partially toothed. Therefore, when the half gear 56 drives the screening plate 51 to rotate through the toothed plate 54, when the toothed surface of the half gear 56 contacts the toothed plate 54, the screening plate 51 moves to the rear. When the toothed surface of the half gear 56 can no longer contact the toothed plate 54 after rotational contact, the screening plate 51 is reset by the spring 53. This process is repeated, causing the screening plate 51 to move left and right repeatedly, thereby causing the horse located on the surface of the screening plate 51 to move. The potatoes vibrate, ensuring they flow into the screening holes 52 when on the surface of the screening plate 51, further enhancing the device's screening capability. This also increases the probability of potatoes falling through the screening holes 52. When the diameter of the potato is similar to the diameter of the screening hole 52, the vibrating screening hole 52 increases the probability of the potato passing through and reduces the possibility of the potato getting stuck. After the screening is completed, the collection box 12 is removed from the collection chamber 11. Potatoes with a diameter smaller than the screening hole 52 are collected in the collection box 12 installed on the left side of the box body 1, while potatoes with a diameter larger than the screening hole 52 are collected in the collection box 12 on the right side of the box body 1.
[0032] Working principle: During operation, the first motor 44 and the second motor 55 are simultaneously activated. The output of the first motor 44 drives the transmission shaft 41 to rotate, and the transmission shaft 41 drives the material feeding plate 43 to rotate via the conveyor belt 42. The output of the second motor 55 drives the half gear 56 to rotate, and the half gear 56, through the engagement of the toothed plate 54, causes the screening plate 51 to reciprocate in conjunction with the spring 53, placing the screened potatoes into the feed trough 21. The moving material feeding plate 43 then moves the potatoes to the right. When the potato diameter is smaller than the screening hole 52, the potato falls through the screening hole 52 into the distribution hopper 3. The potatoes then fall through the hopper 3 into the collection box 12 placed in the left collection chamber 11 inside the box 1. If the potato diameter is larger than the screen hole 52, it will be driven to the right by the push plate 43 until the potato falls through the discharge chute 22 into the collection box 12 placed in the right collection chamber 11 inside the box 1. The shaking of the screening plate 51 can increase the probability of the potato falling down through the screen hole 52, and prevent the potato from not being able to contact the screen hole 52 during movement. After the work is completed, the collection box 12 can be pulled out from the collection chamber 11 for further processing of the potatoes after screening.
[0033] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.
Claims
1. A grading and screening device for potato processing, comprising a housing (1), characterized in that: A screening box (2) is fixedly installed on the top of the box (1), and a distributing hopper (3) is fixedly installed below the screening box (2) on the top of the box (1); The screening box (2) is equipped with a limiting component (4) inside. The limiting component (4) includes a drive shaft (41) movably installed on the left and right sides inside the screening box (2). A conveyor belt (42) is movably installed between the two sets of drive shafts (41). The surfaces of the two sets of drive shafts (41) and the conveyor belt (42) that come into contact are provided with meshing drive teeth. A material-pulling plate (43) is fixedly installed on the surface of the conveyor belt (42). A screening component (5) is provided at the bottom of the screening box (2). The screening component (5) includes a screening plate (51) movably installed at the bottom of the screening box (2). The surface of the screening plate (51) is provided with screening holes (52). The screening plate (51) is located below the screening holes (52).
2. The grading and screening device for potato processing according to claim 1, characterized in that: The top of the screening box (2) is provided with a feeding trough (21), and the bottom of the screening box (2) is provided with a discharge trough (22). Sponge pads (23) are fixedly installed at the lower corner of the feeding trough (21) and at the inner corner of the distribution hopper (3).
3. The grading and screening device for potato processing according to claim 1, characterized in that: A first motor (44) is fixedly installed at the front end of the screening box (2). The output end of the first motor (44) passes through the screening box (2) and is fixedly connected to the transmission shaft (41) on the right side inside the screening box (2). The first motor (44) drives the transmission shaft (41) to rotate counterclockwise through the output end.
4. The grading and screening device for potato processing according to claim 1, characterized in that: The bottom of the screening box (2) is provided with a screening groove (24), the screening plate (51) is movably installed in the screening groove (24), the rear end of the screening plate (51) is fixedly installed with a spring (53), and the bottom left side of the screening plate (51) is fixedly installed with a toothed plate (54).
5. The grading and screening device for potato processing according to claim 4, characterized in that: A second motor (55) is fixedly installed on the left side of the housing (1). The output end of the second motor (55) extends to the bottom of the screening box (2). A half gear (56) is fixedly installed on the output end of the second motor (55). The half gear (56) is located below the toothed plate (54).
6. A grading and screening device for potato processing according to claim 4, characterized in that: The screening holes (52) on the surface of the screening plate (51) are directly above the distribution hopper (3), and the screening holes (52) are arranged in an alternating pattern.
7. The grading and screening device for potato processing according to claim 1, characterized in that: The box (1) has a collection chamber (11) on both the left and right sides inside, and a set of collection boxes (12) are placed inside the collection chamber (11).
8. A grading and screening device for potato processing according to claim 2, characterized in that: The discharge trough (22) is connected to the collection chamber (11) on the right side inside the box (1), and the bottom of the distribution hopper (3) is connected to the collection chamber (11) on the left side inside the box (1).