Sweet potato cleaning device and cleaning method thereof

Abstract

The invention discloses a cleaning device and a cleaning method for sweet potatoes, and relates to the technical field of sweet potato cleaning devices. In order to solve the problem that the surface of the sweet potato is easily adhered to mud, the cleaning device needs to clean the mud on the surface thereof, and the surface of the sweet potato has fine whisker-like parts. The sweet potato whiskers are fine and numerous, and are easily adhered to mud and impurities. When cleaning, the sweet potato whiskers will cause cleaning dead corners on the surface of the sweet potato, which are difficult to fall off directly by washing and soaking, resulting in some mud remaining on the surface of the sweet potato, affecting the required production effect. A flushing device is installed on one side of the mud removal device, and a collection box is sealed and installed on the front side of the flushing device. A belt elevator is fixedly installed above the collection box, and a vibrating drainer is installed below the other side of the belt elevator. A material receiving frame is provided on the rear side of the vibrating drainer, and a cleaning brush roller, a first whisker clamping roller and a second whisker clamping roller are installed at intervals inside the mud removal device.

Description

Technical Field

[0001] The present invention relates to the technical field of sweet potato cleaning devices, in particular to a sweet potato cleaning device and a cleaning method thereof. Background Art

[0002] The cleaning device for sweet potatoes is a mechanical device specially designed for cleaning sweet potatoes. These devices can greatly improve the cleaning efficiency and solve the problems of time-consuming traditional cleaning methods, heavy labor of workers, and unclean cleaning. The main structure of the sweet potato cleaning device usually includes a feeding device, a cleaning device, a collecting device, and a control system. The sweet potato cleaning device has many advantages, such as high cleaning efficiency, good cleaning effect, small footprint, low investment and operating costs, etc. Cleaning can remove the dirt, dust and other impurities attached to the surface of the sweet potato, which is conducive to maintaining the cleanliness of the sweet potato. Cleaning can reduce the number of microorganisms on the surface of the sweet potato and reduce the risk of decay, thereby extending the shelf life of the sweet potato. The cleaned sweet potato has a cleaner appearance, which can improve the quality and market competitiveness of the product. The equipment must have the ability to efficiently remove dirt and impurities without damaging the skin of the sweet potato. Use corrosion-resistant and wear-resistant materials to extend the service life of the equipment. The equipment is easy to clean and maintain and meets the hygienic standards for food safety. These devices are widely used in industries such as fruit and vegetable processing and food processing. Especially in areas where sweet potato planting and processing are concentrated, sweet potato cleaning devices have become indispensable processing equipment.

[0003] The Chinese patent publication number is CN209498516U, which discloses a sweet potato cleaning device, including a body; a processing tank with an opening upward is provided in the middle of the body, and the processing tank is divided into a soaking area, a spray washing area and a water removal area. The entire cleaning device adopts an assembly line operation, which can effectively improve the cleaning efficiency. Through multiple processes of soaking, spray washing, and water removal, the dirt on the surface of the sweet potato after slicing can be effectively cleaned. The soaking area can soak the dirt on the surface of the sweet potato, reduce the stickiness between the dirt and the surface of the sweet potato, and remove some water-soluble dust. In the spraying area, the surface of the sweet potato is flushed by a pressurized high-pressure jet head to completely remove the dirt. The cleaned sweet potato is effectively removed from the surface through a water removal air-drying device, a vibrator, etc., so as to facilitate the next process.

[0004] The above-mentioned prior art solutions have the following defects: sweet potato is a tuberous root of the genus Ipomoea of ​​the Convolvulaceae family. The surface of rhizomes is easily adhered to dirt, and a cleaning device needs to clean the dirt on its surface. Most rhizomes have small whisker-like parts, and sweet potato whiskers are small and numerous, which are easily attached to dirt and impurities. When cleaning, the sweet potato whiskers will leave dead corners on the surface of the sweet potato, which are difficult to remove directly by rinsing and soaking, resulting in some dirt remaining on the surface of the sweet potato, affecting the required production effect. Therefore, we propose a cleaning device and a cleaning method for sweet potatoes to solve the above-mentioned problems. Summary of the invention

[0005] The object of the present invention is to provide a cleaning device and a cleaning method for sweet potatoes, so as to solve the problem proposed in the above background technology that sweet potatoes are tuberous roots of the genus Ipomoea of ​​the Convolvulaceae family, and the surface of rhizomes is easily adhered to dirt, and the cleaning device needs to clean the dirt on the surface. Most rhizomes have small whisker-like parts, and the sweet potato whiskers are small and numerous, which are easy to adhere to dirt and impurities. When cleaning, the sweet potato whiskers will leave cleaning dead corners on the surface of the sweet potatoes, which are difficult to fall off directly by rinsing and soaking, resulting in some dirt remaining on the surface of the sweet potatoes, affecting the required production effect.

[0006] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a sweet potato cleaning device, comprising a demuding device, a flushing device is installed on one side of the demuding device, a collection box is sealedly installed on the front side of the flushing device, a belt elevator is fixedly installed above the collection box, a vibrating drainer is installed below the other side of the belt elevator, a material receiving frame is provided on the rear side of the vibrating drainer, a cleaning brush roller, a first clamping roller and a second clamping roller are installed at intervals inside the demuding device, a first clamping roller and a second clamping roller are provided between adjacent cleaning brush rollers, and the first clamping roller is located on one side of the second clamping roller.

[0007] Preferably, a receiving hopper is sealedly installed on one side of the upper end of the mud removal device, pushing screws are installed on the front and rear opposite inner walls of the mud removal device, a pushing mechanism is installed between the two pushing screws, the pushing mechanism is located above the cleaning brush roller, the first clamping roller and the second clamping roller, a slag collecting frame is provided below the mud removal device, the slag collecting frame is located below the cleaning brush roller, the first clamping roller and the second clamping roller, and an ultraviolet lamp is fixedly installed on the inner wall of the upper end of the mud removal device.

[0008] Preferably, the first and second clamping rollers are rubber rollers, and the first and second clamping rollers are spaced one to two millimeters apart. A hard-bristle cleaning brush is provided in a ring shape on the outer side of the cleaning brush roller. A feed pipe is sealedly installed at one end of the demudging device. A limiting material baffle is fittedly installed on one side of the inner wall of the demudging device. An electric telescopic cylinder for the limiting material baffle is fixedly installed above the limiting material baffle, and the upper end of the electric telescopic cylinder for the limiting material baffle is fixedly connected to the inner wall of the upper end of the demudging device.

[0009] Preferably, the cleaning brush roller, the first clamping roller and the second clamping roller are internally fixed with rotating shafts, a demuding device motor is installed on one side of the rear end of the demuding device, the demuding device motor is drivingly connected to the rotating shaft of one cleaning brush roller, a first gear is externally fixedly sleeved on one side of the rotating shaft of the first clamping roller, a second gear is externally fixedly sleeved on the rotating shaft of the second clamping roller, the first gear is meshingly connected with the second gear, and the rotating shaft of the cleaning brush roller is respectively connected to the rotating shaft of the first clamping roller and the second clamping roller through a driving belt.

[0010] Preferably, the pushing mechanism includes an electric telescopic cylinder, a sliding seat, a limiting sleeve, a pushing plate and an anti-drop block. The sliding seat is transmission-connected to the pushing screw, and limiting sleeves are symmetrically arranged at both ends of the inner side of the pushing screw. A pushing plate is slidably installed inside the limiting sleeve, and an anti-drop block is fixedly installed above the pushing plate. The size of the anti-drop block is larger than the diameter of the limiting sleeve, and an electric telescopic cylinder is symmetrically fixedly installed between the anti-drop block and the sliding seat.

[0011] Preferably, a spiral partition is fixedly installed inside the flushing device, and the spiral partition is spiral-shaped. A fixed plate is fixedly installed at the lower part of the flushing device, a rotating plate motor is installed at the middle position below the fixed plate, a rotating plate is installed above the fixed plate, the output end of the rotating plate motor extends to the top of the fixed plate and is transmission-connected to the rotating plate, and a plurality of ultrasonic generators are installed in a rectangular shape below the fixed plate.

[0012] Preferably, six first feed baffles are arranged in a ring above the rotating plate, two third feed baffles and one second feed baffle are arranged between adjacent first feed baffles, a second feed baffle is arranged between two third feed baffles, six second feed baffles are arranged, twelve third feed baffles are arranged, the length of the first feed baffle is greater than that of the second feed baffle, and the length of the third feed baffle is less than that of the second feed baffle.

[0013] Preferably, a water inlet nozzle is fixedly mounted on the inner wall inside the middle position of the spiral partition, a water inlet pipe is sealably mounted on one side of the water inlet nozzle, and one end of the water inlet pipe penetrates and extends to the outside of the flushing device.

[0014] Preferably, a sealing cover is sealed above the flushing device, the upper end of the spiral partition is extended and matched with the sealing cover, one end of the feed pipe is sealed and connected to the sealing cover, and one end of the feed pipe is located above the middle position of the spiral partition.

[0015] A method for cleaning a sweet potato cleaning device comprises the following steps:

[0016] Step 1: Put the sweet potato into the demuding device through the receiving hopper, turn on the ultraviolet lamp, the ultraviolet light has a strong bactericidal effect, can destroy the DNA or RNA structure of microorganisms, make the microorganisms on the surface of the sweet potato lose their reproductive ability, extend the shelf life of the sweet potato, thereby achieving the effect of sterilization and antiseptic, at this time the pushing mechanism is in the middle position, start the demuding device motor, the demuding device motor drives the rotating shaft of the cleaning brush roller on one side to rotate, the rotating shaft of the cleaning brush roller drives the first clamping roller on one side to rotate through the belt, the first clamping roller drives the second clamping roller provided with the second gear to rotate through the first gear, the second clamping roller then drives the cleaning brush roller on one side to rotate through the belt, and the meshing transmission of the belt and the second gear with the second clamping roller drives the adjacent cleaning brush roller, the first clamping roller and the second clamping roller to rotate in turn, due to the transmission of the two gears, the adjacent cleaning brush rollers rotate in the opposite direction, so that different positions of the sweet potato are cleaned, and the soil blocks adhering to the surface of the sweet potato are brushed off, and the soil blocks fall into the slag collecting frame along the gap of the cleaning brush roller;

[0017] Step 2: Start the pushing screw, and rotate the pushing screw forward to drive the sliding seat to slide toward the receiving hopper until the pushing plate on one side is close to the inner wall of the demud device, and at the same time, retract the electric telescopic cylinder of the pushing mechanism, and the electric telescopic cylinder drives the anti-drop block to move downward, and the anti-drop block drives the pushing plate to slide downward under the limit of the limit sleeve until the pushing plate on one side is located on one side of all the sweet potatoes inside the demud device. At this time, the distance between the pushing plate and the cleaning brush roller is one to two centimeters larger than the diameter of the sweet potato, and the pushing screw is driven to reverse, thereby driving the pushing plate to move to the other side, and the sweet potatoes piled together are pushed away by the push of the pushing plate, so as to be dispersed in the demud device;

[0018] Step 3: When the roots of the sweet potato are rolling, they are pulled apart from the outer skin of the sweet potato by the friction between the first clamping roller and the second clamping roller. When the pushing mechanism moves to the other side of the mud removal device, the electric telescopic cylinder that has been retracted on one side is extended to allow the pushing plate that has been moved down on one side to move up, and then the electric telescopic cylinder on the other side is retracted. The electric telescopic cylinder drives the pushing plate on the other side to extend downward to a position two centimeters away from the cleaning brush roller, and the sliding seat is driven forward to slide toward the receiving hopper. At the same time, the pushing plate is moved up and down along the arc of the cleaning brush roller, the first clamping roller and the second clamping roller until the distance from the mud removal device to the inner wall of one side of the mud removal device is forty to fifty centimeters. Then, the pushing plate on the other side is moved upward, and the sliding seat is moved to the inner wall of the pushing plate on one side close to the mud removal device. Steps 1 to 3 are repeated to turn the sweet potatoes over, and the mud removal and whisker removal operations are completed after ten reciprocating cycles.

[0019] Step 4: Push the sweet potato toward the feeding pipe through the push plate on one side, and at the same time retract the electric telescopic cylinder of the limiting baffle, which drives the limiting baffle upward, allowing the sweet potato to flow into the inside of the flushing device along the downwardly inclined feeding pipe;

[0020] Step 5: The water inlet pipe transmits the clean water to the water inlet nozzle, which slowly sprays water toward the spiral partition, so that the water flow rinses the surface of the sweet potato and pushes the sweet potato to spirally rotate with the water flow, increasing the contact time between the sweet potato and the water flow. The rotating plate motor drives the rotating plate to rotate slowly, and the ultrasonic generator is turned on at the same time. The high-frequency oscillation signal generated by the ultrasonic generator is converted into high-frequency mechanical oscillation by the transducer and radiated in the cleaning liquid in the form of longitudinal waves. Under the action of ultrasonic waves, the tiny bubbles in the water vibrate under the action of the sound field. When the sound pressure reaches a certain value, the bubbles grow rapidly and then suddenly close. Shock waves are generated in this process, and thousands of atmospheric pressures and hundreds of degrees of high temperature are generated around them. Shock waves and high temperatures can destroy insoluble dirt and disperse them in the water. At the same time, the vibration of the bubbles and their ability to enter cracks can also cause the soil remaining on the surface of the sweet potato to fall off. After cleaning, the sweet potato enters the interior of the aggregate box;

[0021] Step 6: The sweet potatoes in the collecting box are lifted by the belt elevator and fall onto the top of the vibrating drainer. The vibrating drainer vibrates to shake off the residual water on the surface of the sweet potatoes. The sweet potatoes move toward the receiving frame with the vibration and finally fall into the receiving frame.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] 1. The demuding device of the present invention removes mud and beard from the sweet potato, and the transmission of the two gears causes the adjacent cleaning brush rollers to rotate in opposite directions, thereby cleaning different positions of the sweet potato and brushing off the soil blocks adhered to the surface of the sweet potato, and the soil blocks fall into the slag collecting frame along the gaps of the cleaning brush rollers; the pushing screw is started, and the forward rotation of the pushing screw drives the sliding seat to slide in the direction of the receiving hopper until the pushing plate on one side is close to the inner wall of the demuding device and the electric telescopic cylinder of the pushing mechanism is retracted at the same time, and the electric telescopic cylinder drives the anti-drop block to move downward, and the anti-drop block drives the pushing plate to slide downward under the limit of the limit sleeve until the pushing plate on one side is located on one side of all the sweet potatoes in the demuding device. At this time, the distance between the pushing plate and the cleaning brush roller is greater than one to two centimeters of the diameter of the sweet potato, and the pushing screw is driven to reverse, thereby driving the pushing plate to move to the other side, and the sweet potatoes piled together are pushed away by the push of the pushing plate, thereby The roots of the sweet potato are dispersed in the mud removal device; the roots on the sweet potato are pulled and separated from the sweet potato skin by the friction between the first and second clamping rollers when rolling. When the pushing mechanism moves to the other side of the mud removal device, the electric telescopic cylinder that has been retracted on one side is extended to allow the pushing plate that has moved down on one side to move up, and then the electric telescopic cylinder on the other side is retracted. The electric telescopic cylinder drives the pushing plate on the other side to extend downward to a position two centimeters away from the cleaning brush roller, and drives the sliding seat to slide toward the receiving hopper in the forward direction. At the same time, the pushing plate is moved up and down along the arc of the cleaning brush roller, the first and second clamping rollers, until the distance from the mud removal device to the inner wall of one side of the mud removal device is forty to fifty centimeters, the pushing plate on the other side is moved upward, and the sliding seat is moved to the inner wall of the pushing plate on one side close to the mud removal device, and steps one to three are repeated to turn the sweet potato over. The mud removal and whisker removal operations are completed after ten reciprocating cycles.

[0024] 2. The flushing device of the present invention cleans the sweet potato, and the water inlet pipe transmits clean water to the water inlet nozzle, which slowly sprays water toward the spiral baffle, so that the water flow flushes the surface of the sweet potato and pushes the sweet potato to spirally rotate with the water flow, thereby increasing the contact time between the sweet potato and the water flow. The rotating plate motor drives the rotating plate to rotate slowly, and the ultrasonic generator is turned on at the same time. The high-frequency oscillation signal generated by the ultrasonic generator is converted into high-frequency mechanical oscillation by the transducer and radiated in the cleaning liquid in the form of longitudinal waves. Under the action of ultrasonic waves, tiny bubbles in the water vibrate under the action of the sound field. When the sound pressure reaches a certain value, the bubbles grow rapidly and then suddenly close. Shock waves are generated in this process, and thousands of atmospheric pressures and hundreds of degrees of high temperature are generated around them. The shock waves and high temperatures can destroy insoluble dirt and disperse them in the water. At the same time, the vibration of the bubbles and their ability to enter cracks can also cause the soil remaining on the surface of the sweet potato to fall off. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 A top view of the present invention;

[0026] Figure 2The structure of the flushing device in the present invention is shown in FIG. Figure 1 ;

[0027] Figure 3 The structure of the flushing device in the present invention is shown in FIG. Figure 2 ;

[0028] Figure 4 The structure of the desludging device in the present invention is shown in FIG. Figure 1 ;

[0029] Figure 5 The structure of the desludging device in the present invention is shown in FIG. Figure 2 ;

[0030] Figure 6 It is a structural schematic diagram of the material pushing mechanism in the present invention.

[0031] In the figure: 1. Desludging device; 2. Flushing device; 3. Belt elevator; 4. Vibrating drainer; 5. Material receiving frame; 6. Material receiving hopper; 7. Material delivery pipe; 8. Material collection box; 9. Rotating plate; 10. First material delivery baffle; 11. Second material delivery baffle; 12. Third material delivery baffle; 13. Water inlet nozzle; 14. Water inlet pipe; 15. Spiral baffle; 16. Fixed plate; 17. Rotating plate motor; 18. Ultrasonic generator; 19. Sealing cover; 20. Cleaning brush roller; 21. First clamping roller; 22. Second clamping roller; 23. Slag collecting frame; 24. Pushing screw; 25. Pushing mechanism; 26. Electric telescopic cylinder for limiting baffle; 27. Limiting baffle; 28. Rotating shaft; 29. ​​Mud removal device motor; 30. Electric telescopic cylinder; 31. Driving belt; 32. First gear; 33. Second gear; 34. Sliding seat; 35. Limiting sleeve; 36. Pushing plate; 37. Anti-drop block; 38. Ultraviolet lamp. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0033] See also Figure 1-6 An embodiment of the present invention is a sweet potato cleaning device, comprising a demuding device 1, a flushing device 2 is installed on one side of the demuding device 1, a collecting box 8 is sealed and installed on the front side of the flushing device 2, a belt elevator 3 is fixedly installed above the collecting box 8, a vibrating drainer 4 is installed below the other side of the belt elevator 3, a material receiving frame 5 is provided on the rear side of the vibrating drainer 4, a cleaning brush roller 20, a first clamping roller 21 and a second clamping roller 22 are installed at intervals inside the demuding device 1, a first clamping roller 21 and a second clamping roller 22 are arranged between adjacent cleaning brush rollers 20, and the first clamping roller 21 is located on one side of the second clamping roller 22.

[0034] The demuding device 1 demudifies and removes the sweet potatoes, starts the pushing screw 24, and drives the sliding seat 34 to slide toward the receiving hopper 6 by rotating the pushing screw 24 forward until the pushing plate 36 on one side is close to the inner wall of the demuding device 1, and at the same time contracts the electric telescopic cylinder 30 of the pushing mechanism 25, and the electric telescopic cylinder 30 drives the anti-drop block 37 to move downward, and the anti-drop block 37 drives the pushing plate 36 to slide downward under the limit of the limit sleeve 35, until the pushing plate 36 on one side is located on one side of all the sweet potatoes in the demuding device 1. At this time, the distance between the pushing plate 36 and the cleaning brush roller 20 is greater than one to two centimeters of the diameter of the sweet potato, and drives the pushing screw 24 to reverse, thereby driving the pushing plate 36 to move to the other side, and the sweet potatoes piled together are pushed away by the pushing of the pushing plate 36, so as to be dispersed in the demuding device 1; the roots on the sweet potatoes are rolled along with the first and second whisker clamping rollers 21 and 22 The friction between them is pulled and separated from the sweet potato skin. When the pushing mechanism 25 moves to the other side of the mud removal device 1, the electric telescopic cylinder 30 that has been retracted on one side is extended, and the pushing plate 36 that has moved down on one side is moved up, and then the electric telescopic cylinder 30 on the other side is retracted. The electric telescopic cylinder 30 drives the pushing plate 36 on the other side to extend downward to a position two centimeters away from the cleaning brush roller 20, and drives the sliding seat 34 to slide in the direction of the receiving hopper 6 in the forward direction. At the same time, the pushing plate 36 is moved up and down along the arc of the first and second clamping rollers 21 and 22 of the cleaning brush roller 20 until the distance from the mud removal device 1 to the inner wall of one side of the mud removal device 1 is forty to fifty centimeters, then the pushing plate 36 on the other side is moved up, and the sliding seat 34 is moved to the inner wall of the pushing plate 36 on one side of the mud removal device 1, and steps one to three are repeated to turn the sweet potato over, and the mud removal and whisker removal operations are completed after ten reciprocating cycles.

[0035] See also Figure 1 , Figure 4 and Figure 5A receiving hopper 6 is sealed and installed on one side of the upper end of the mud removal device 1, and pushing screws 24 are installed on the front and rear opposite inner walls of the mud removal device 1. A pushing mechanism 25 is installed between the two pushing screws 24, and the pushing mechanism 25 is located above the cleaning brush roller 20, the first clamping roller 21 and the second clamping roller 22. A slag collecting frame 23 is arranged below the mud removal device 1, and the slag collecting frame 23 is located below the cleaning brush roller 20, the first clamping roller 21 and the second clamping roller 22. An ultraviolet lamp 38 is fixedly installed on the inner wall of the upper end of the mud removal device 1. The first and second pinching rollers 21, 22 are rubber rollers, and the first and second pinching rollers 21, 22 are spaced one to two millimeters apart. A hard-bristle cleaning brush is provided in a ring shape on the outer side of the cleaning brush roller 20. A feed conveying pipe 7 is sealedly installed at one end of the mud removal device 1. A limiting material baffle 27 is fitted on one side of the inner wall of the mud removal device 1. An electric telescopic cylinder 26 for the limiting material baffle is fixedly installed above the limiting material baffle 27. The upper end of the electric telescopic cylinder 26 for the limiting material baffle is fixedly connected to the inner wall of the upper end of the mud removal device 1. A rotating shaft 28 is fixedly installed inside the cleaning brush roller 20, the first clamping roller 21 and the second clamping roller 22, a demuding device motor 29 is installed on one side of the rear end of the demuding device 1, and the demuding device motor 29 is transmission-connected to the rotating shaft 28 of one side of the cleaning brush roller 20, a first gear 32 is fixedly sleeved on the outside of one side of the rotating shaft 28 of the first clamping roller 21, and a second gear 33 is fixedly sleeved on the outside of the rotating shaft 28 of the second clamping roller 22, the first gear 32 is meshedly connected with the second gear 33, and the rotating shaft 28 of the cleaning brush roller 20 is transmission-connected to the rotating shafts 28 of the first clamping roller 21 and the second clamping roller 22 respectively through a driving belt 31.

[0036] See also Figure 4 and Figure 6 The pushing mechanism 25 includes an electric telescopic cylinder 30, a sliding seat 34, a limiting sleeve 35, a pushing plate 36 and an anti-drop block 37. The sliding seat 34 is transmission-connected to the pushing screw 24. The limiting sleeves 35 are symmetrically arranged at both ends of the inner side of the pushing screw 24. A pushing plate 36 is slidably installed inside the limiting sleeve 35. An anti-drop block 37 is fixedly installed above the pushing plate 36. The size of the anti-drop block 37 is larger than the diameter of the limiting sleeve 35. The electric telescopic cylinder 30 is symmetrically fixedly installed between the anti-drop block 37 and the sliding seat 34.

[0037] See also Figure 2-3A spiral baffle 15 is fixedly installed inside the flushing device 2, and the spiral baffle 15 is spiral-shaped. A fixed plate 16 is fixedly installed at the bottom of the flushing device 2, and a rotating plate motor 17 is installed at the middle position below the fixed plate 16. A rotating plate 9 is installed above the fixed plate 16, and the output end of the rotating plate motor 17 extends to the top of the fixed plate 16 and is transmission-connected with the rotating plate 9. A plurality of ultrasonic generators 18 are rectangularly installed below the fixed plate 16. Six first feed baffles 10 are arranged in a ring above the rotating plate 9, two third feed baffles 12 and one second feed baffle 11 are arranged between adjacent first feed baffles 10, a second feed baffle 11 is arranged between the two third feed baffles 12, six second feed baffles 11 are arranged, and twelve third feed baffles 12 are arranged. The length of the first feed baffle 10 is greater than the length of the second feed baffle 11, and the length of the third feed baffle 12 is less than the length of the second feed baffle 11. A water inlet nozzle 13 is fixedly installed on the inner wall of the inner side at the middle position of the spiral partition 15, and a water inlet pipe 14 is sealed and installed on one side of the water inlet nozzle 13, and one end of the water inlet pipe 14 penetrates and extends to the outside of the flushing device 2. A sealing cover 19 is sealed and installed above the flushing device 2, and the upper end of the spiral partition 15 extends and fits with the sealing cover 19. One end of the feed pipe 7 is sealed and connected with the sealing cover 19, and one end of the feed pipe 7 is located above the middle position of the spiral partition 15.

[0038] A method for cleaning a sweet potato cleaning device comprises the following steps:

[0039] Step 1: Put the sweet potato into the demuding device 1 through the receiving hopper 6, turn on the ultraviolet lamp 38, the ultraviolet light has a strong bactericidal effect, can destroy the DNA or RNA structure of microorganisms, make the microorganisms on the surface of the sweet potato lose their reproductive ability, extend the shelf life of the sweet potato, thereby achieving the effect of sterilization and preservation, at this time, the pushing mechanism 25 is located in the middle position, start the demuding device motor 29, the demuding device motor 29 drives the rotating shaft 28 of the cleaning brush roller 20 on one side to rotate, the rotating shaft 28 of the cleaning brush roller 20 drives the first clamping roller 21 on one side to rotate through the belt, and the first clamping roller 2 The first gear 32 drives the second whisker clamping roller 22 provided with the second gear 33 to rotate, and the second whisker clamping roller 22 drives the cleaning brush roller 20 on one side thereof to rotate through the belt, and the meshing transmission between the belt and the second gear 33 and the second whisker clamping roller 22 sequentially drives the adjacent cleaning brush roller 20, the first whisker clamping roller 21 and the second whisker clamping roller 22 to rotate. Due to the transmission of the two gears, the adjacent cleaning brush rollers 20 rotate in opposite directions, so that different positions of the sweet potato are cleaned and the soil blocks adhered to the surface of the sweet potato are brushed off, and the soil blocks fall into the slag collecting frame 23 through the gaps of the cleaning brush roller 20;

[0040] Step 2: Start the push screw 24, and rotate the push screw 24 forward to drive the sliding seat 34 to slide toward the receiving hopper 6 until the push plate 36 on one side is close to the inner wall of the demud device 1, and at the same time, the electric telescopic cylinder 30 of the push mechanism 25 is retracted, and the electric telescopic cylinder 30 drives the anti-drop block 37 to move downward, and the anti-drop block 37 drives the push plate 36 to slide downward under the limit of the limit sleeve 35, until the push plate 36 on one side is located on one side of all the sweet potatoes in the demud device 1. At this time, the distance between the push plate 36 and the cleaning brush roller 20 is greater than one to two centimeters of the diameter of the sweet potato, and the push screw 24 is driven to reverse so as to drive the push plate 36 to move to the other side, and the sweet potatoes piled together are pushed away by the push of the push plate 36, so as to be dispersed in the demud device 1;

[0041] When the roots of the sweet potato are rolled, the friction between the first whisker clamping roller 21 and the second whisker clamping roller 22 causes the roots to be pulled apart from the sweet potato skin. When the pushing mechanism 25 moves to the other side of the demuding device 1, the electric telescopic cylinder 30 that has been retracted on one side is extended to allow the pushing plate 36 that has been moved down on one side to move up, and then the electric telescopic cylinder 30 on the other side is retracted. The electric telescopic cylinder 30 drives the pushing plate 36 on the other side to extend downward to a position two centimeters away from the cleaning brush roller 20, and the sliding seat 34 is driven forward to slide toward the receiving hopper 6. At the same time, the pushing plate 36 is moved up and down along the arc of the first whisker clamping roller 21 and the second whisker clamping roller 22 of the cleaning brush roller 20 until the distance from the demuding device 1 to the inner wall of one side of the demuding device 1 is forty to fifty centimeters. Then, the pushing plate 36 on the other side is moved upward, and the sliding seat 34 is moved to the inner wall of the pushing plate 36 on one side of the demuding device 1. Steps 1 to 3 are repeated to turn the sweet potato over, and the demuding and whisker removal operations are completed by reciprocating ten times.

[0042] Step 4: Push the sweet potato toward the feeding pipe 7 through the push plate 36 on one side, and at the same time retract the electric telescopic cylinder 26 of the limiting baffle, which drives the limiting baffle 27 to move upward, so that the sweet potato flows into the inside of the flushing device 2 along the downwardly inclined feeding pipe 7;

[0043] Step 5: The water inlet pipe 14 transmits the clean water to the water inlet nozzle 13, and the water inlet nozzle 13 slowly sprays water toward the spiral partition 15, so that the water flow rinses the surface of the sweet potato and pushes the sweet potato to spirally rotate with the water flow, thereby increasing the contact time between the sweet potato and the water flow. The rotating plate motor 17 drives the rotating plate 9 to rotate slowly, and the ultrasonic generator 18 is turned on at the same time. The high-frequency oscillation signal generated by the ultrasonic generator 18 is converted into high-frequency mechanical oscillation by the transducer and radiated in the cleaning liquid in the form of longitudinal waves. Under the action of the ultrasonic wave, the tiny bubbles in the water vibrate under the action of the sound field. When the sound pressure reaches a certain value, the bubbles grow rapidly and then suddenly close. In this process, shock waves are generated, and thousands of atmospheric pressures and hundreds of degrees of high temperature are generated around them. The shock waves and high temperatures can destroy insoluble dirt and disperse them in the water. At the same time, the vibration of the bubbles and the ability to enter the cracks can also make the soil remaining on the surface of the sweet potato fall off. After cleaning, the sweet potato enters the interior of the aggregate box 8;

[0044] Step six: The sweet potatoes in the collecting box 8 are lifted and transported by the belt elevator 3 and fall onto the top of the vibrating drainer 4. The vibrating drainer 4 vibrates to shake off the residual moisture on the surface of the sweet potatoes. The sweet potatoes move toward the receiving frame 5 with the vibration and finally fall into the receiving frame 5.

[0045] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A sweet potato cleaning device, comprising a desludging device (1), characterized in that: A flushing device (2) is installed on one side of the desludging device (1), a material collecting box (8) is sealedly installed on the front side of the flushing device (2), a belt elevator (3) is fixedly installed above the material collecting box (8), a vibrating drainer (4) is installed below the other side of the belt elevator (3), and a material receiving frame (5) is arranged on the rear side of the vibrating drainer (4), a cleaning brush roller (20), a first clamping roller (21) and a second clamping roller (22) are installed at intervals inside the desludging device (1), and the first clamping roller (21) and the second clamping roller (22) are arranged between adjacent cleaning brush rollers (20), and the first clamping roller (21) and the second clamping roller (22) are arranged at intervals inside the desludging device (1). ) is located on one side of the second clamping roller (22); a receiving hopper (6) is sealedly installed on one side of the upper end of the demuding device (1); a material pushing screw (24) is installed on the front and rear opposite inner walls of the demuding device (1); a material pushing mechanism (25) is installed between the two material pushing screws (24); the material pushing mechanism (25) is located above the cleaning brush roller (20), the first clamping roller (21) and the second clamping roller (22); a slag collecting frame (23) is provided below the demuding device (1); the slag collecting frame (23) is located below the cleaning brush roller (20), the first clamping roller (21) and the second clamping roller (22); the upper end of the demuding device (1) is provided with a material pushing screw (24); the material pushing mechanism (25) is located above the cleaning brush roller (20), the first clamping roller (21) and the second clamping roller (22); An ultraviolet lamp (38) is fixedly installed on the inner wall of the end, the first clamping roller (21) and the second clamping roller (22) are rubber rollers, and the first clamping roller (21) and the second clamping roller (22) are spaced one to two millimeters apart, a hard bristle cleaning brush is provided in an annular manner on the outer side of the cleaning brush roller (20), a material conveying pipe (7) is sealedly installed on one end of the demuding device (1), a limiting material baffle (27) is fittedly installed on one side of the inner wall of the demuding device (1), a limiting material baffle electric telescopic cylinder (26) is fixedly installed above the limiting material baffle (27), and the upper end of the limiting material baffle electric telescopic cylinder (26) is fixedly connected to the inner wall of the upper end of the demuding device (1) The pushing mechanism (25) comprises an electric telescopic cylinder (30), a sliding seat (34), a limiting sleeve (35), a pushing plate (36) and an anti-drop block (37); the sliding seat (34) is drivingly connected to the pushing screw (24); the limiting sleeves (35) are symmetrically arranged at both ends of the inner side of the pushing screw (24); the pushing plate (36) is slidably mounted inside the limiting sleeve (35); the anti-drop block (37) is fixedly mounted above the pushing plate (36); the size of the anti-drop block (37) is larger than the diameter of the limiting sleeve (35); and the electric telescopic cylinder (30) is symmetrically fixedly mounted between the anti-drop block (37) and the sliding seat (34).

2. The sweet potato cleaning device according to claim 1, characterized in that: A rotating shaft (28) is fixedly mounted inside the cleaning brush roller (20), the first clamping roller (21) and the second clamping roller (22); a demuding device motor (29) is mounted on one side of the rear end of the demuding device (1); the demuding device motor (29) is transmission-connected to the rotating shaft (28) of one side of the cleaning brush roller (20); a first gear (32) is fixedly sleeved on the outside of one side of the rotating shaft (28) of the first clamping roller (21); a second gear (33) is fixedly sleeved on the outside of the rotating shaft (28) of the second clamping roller (22); the first gear (32) is meshedly connected to the second gear (33); and the rotating shaft (28) of the cleaning brush roller (20) is transmission-connected to the rotating shafts (28) of the first clamping roller (21) and the second clamping roller (22) respectively via a driving belt (31).

3. The sweet potato cleaning device according to claim 2, characterized in that: A spiral partition (15) is fixedly installed inside the flushing device (2), and the spiral partition (15) is spiral-shaped. A fixed plate (16) is fixedly installed below the inside of the flushing device (2), and a rotating plate motor (17) is installed at a middle position below the fixed plate (16). A rotating plate (9) is installed above the fixed plate (16), and the output end of the rotating plate motor (17) extends to the top of the fixed plate (16) and is transmission-connected to the rotating plate (9). A plurality of ultrasonic generators (18) are installed in a rectangular shape below the fixed plate (16).

4. The sweet potato cleaning device according to claim 3, characterized in that: Six first material feeding baffles (10) are arranged in a ring above the rotating plate (9); two third material feeding baffles (12) and one second material feeding baffle (11) are arranged between adjacent first material feeding baffles (10); a second material feeding baffle (11) is arranged between two third material feeding baffles (12); six second material feeding baffles (11) are arranged; twelve third material feeding baffles (12) are arranged; the length of the first material feeding baffle (10) is greater than the length of the second material feeding baffle (11); and the length of the third material feeding baffle (12) is less than the length of the second material feeding baffle (11).

5. The sweet potato cleaning device according to claim 4, characterized in that: A water inlet nozzle (13) is fixedly mounted on the inner wall at the middle position of the spiral partition (15), and a water inlet pipe (14) is sealedly mounted on one side of the water inlet nozzle (13), and one end of the water inlet pipe (14) penetrates and extends to the outside of the flushing device (2).

6. The sweet potato cleaning device according to claim 5, characterized in that: A sealing cover (19) is installed in a sealing manner above the flushing device (2); the upper end of the spiral partition (15) extends and matches the sealing cover (19); one end of the material delivery pipe (7) is sealedly connected to the sealing cover (19); and one end of the material delivery pipe (7) is located above the middle position of the spiral partition (15).

7. A method for cleaning sweet potatoes using a cleaning device according to claim 6, characterized in that: The following steps are involved: Step 1: Put the sweet potato into the demuding device (1) through the receiving hopper (6), and turn on the ultraviolet lamp (38). The ultraviolet light has a strong bactericidal effect and can destroy the DNA or RNA structure of microorganisms, so that the microorganisms on the surface of the sweet potato lose their reproductive ability, and extend the shelf life of the sweet potato, thereby achieving the effect of sterilization and preservation. At this time, the pushing mechanism (25) is located in the middle position, and the demuding device motor (29) is started. The demuding device motor (29) drives the rotating shaft (28) of the cleaning brush roller (20) on one side to rotate. The rotating shaft (28) of the cleaning brush roller (20) drives the first whisker roller (21) on one side to rotate through a belt. The first whisker roller (21) The first gear (32) drives the second whisker holding roller (22) provided with the second gear (33) to rotate, and the second whisker holding roller (22) drives the cleaning brush roller (20) on one side thereof to rotate via a belt, and the meshing transmission between the belt and the second gear (33) and the second whisker holding roller (22) sequentially drives the adjacent cleaning brush roller (20), the first whisker holding roller (21) and the second whisker holding roller (22) to rotate, and the transmission of the two gears causes the adjacent cleaning brush rollers (20) to rotate in opposite directions, thereby cleaning different positions of the sweet potato and brushing off the soil stuck on the surface of the sweet potato, and the soil falls into the slag collecting frame (23) through the gap of the cleaning brush roller (20); Step 2: Start the push screw (24), rotate the push screw (24) forward to drive the sliding seat (34) to slide in the direction of the receiving hopper (6) until the push plate (36) on one side is close to the inner wall of the demud device (1), and at the same time, retract the electric telescopic cylinder (30) of the push mechanism (25), the electric telescopic cylinder (30) drives the anti-drop block (37) to move downward, and the anti-drop block (37) drives the push plate (36) to slide downward under the limit of the limit sleeve (35) until the push plate (36) on one side is located on the side of all the sweet potatoes inside the demud device (1), at this time, the distance between the push plate (36) and the cleaning brush roller (20) is greater than one to two centimeters of the diameter of the sweet potato, drive the push screw (24) to reverse and drive the push plate (36) to move to the other side, and the sweet potatoes piled together are pushed away by the push of the push plate (36), so as to be dispersed in the demud device (1); Step 3: When the roots of the sweet potato are rolled, they are pulled apart from the outer skin of the sweet potato by the friction between the first root clamping roller (21) and the second root clamping roller (22). When the pushing mechanism (25) moves to the other side of the demudging device (1), the electric telescopic cylinder (30) on one side that has been retracted is extended to allow the pushing plate (36) on one side that has been moved downward to move upward. The electric telescopic cylinder (30) on the other side is then retracted. The electric telescopic cylinder (30) drives the pushing plate (36) on the other side to extend downward to a position two centimeters away from the cleaning brush roller (20), and the forward rotation is performed. The sliding seat (34) is driven to slide in the direction of the receiving hopper (6), and the pushing plate (36) is simultaneously moved up and down along the arc of the first clamping roller (21) and the second clamping roller (22) of the cleaning brush roller (20) until the pushing plate (36) on the other side is moved upward when the distance from the demuding device (1) to the inner wall of one side of the demuding device (1) is 40 to 50 centimeters, and the sliding seat (34) is moved to the pushing plate (36) on one side to the inner wall of the demuding device (1), and steps 1 to 3 are repeated to turn the sweet potatoes over, and the demuding and beard removal operation is completed after ten reciprocating steps; Step 4: Push the sweet potato toward the feeding pipe (7) through the push plate (36) on one side, and at the same time retract the electric telescopic cylinder (26) for limiting the material baffle, so that the electric telescopic cylinder (26) for limiting the material baffle drives the limiting material baffle (27) to move upward, allowing the sweet potato to flow into the interior of the flushing device (2) along the downwardly inclined feeding pipe (7); Step 5: The water inlet pipe (14) transmits the clean water to the water inlet nozzle (13), and the water inlet nozzle (13) slowly sprays water toward the spiral partition (15), so that the water flow rinses the surface of the sweet potato and pushes the sweet potato to rotate spirally with the water flow. The rotating plate motor (17) drives the rotating plate (9) to rotate slowly, and at the same time, the ultrasonic generator (18) is turned on. The high-frequency oscillation signal generated by the ultrasonic generator (18) is converted into high-frequency mechanical oscillation by the transducer and radiated in the cleaning liquid in the form of longitudinal waves. Under the action of the ultrasonic wave, the tiny bubbles in the water vibrate under the action of the sound field. When the sound pressure reaches a certain value, the bubbles grow rapidly and then suddenly close. In this process, shock waves are generated, and thousands of atmospheric pressures and hundreds of degrees of high temperature are generated around them. The shock waves and high temperatures can destroy insoluble dirt and disperse them in the water. At the same time, the vibration of the bubbles and the ability to enter the cracks can also cause the soil remaining on the surface of the sweet potato to fall off. After the cleaning is completed, the sweet potato enters the inside of the collection box (8); Step 6: The sweet potatoes in the collecting box (8) are lifted and transported by the belt elevator (3) and fall onto the top of the vibrating drainer (4). The vibrating drainer (4) vibrates to shake off the residual water on the surface of the sweet potatoes. The sweet potatoes move toward the receiving frame (5) as they vibrate and finally fall into the receiving frame (5).

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