Cleaning device for sweet potatoes and cleaning method thereof
Technical Field
The invention relates to the technical field of sweet potato cleaning devices, in particular to a cleaning device for sweet potatoes and a cleaning method thereof.
Background
The cleaning device for the sweet potatoes is mechanical equipment specially designed for cleaning the sweet potatoes, the cleaning efficiency of the cleaning device can be greatly improved, and the problems that a traditional cleaning mode is long in time consumption, large in labor capacity of workers, not clean in cleaning and the like are solved. The main structure of the sweet potato cleaning device generally comprises a feeding device, a cleaning device, a receiving device, a control system and the like. The sweet potato cleaning device has a plurality of advantages such as high cleaning efficiency, good cleaning effect, small occupied area, low investment and operation cost and the like. The cleaning can remove soil, dust and other impurities attached to the surface of the sweet potatoes, and is beneficial to keeping the cleanliness of the sweet potatoes. The cleaning can reduce the number of microorganisms on the surface of the sweet potatoes and reduce the risk of decay, thereby prolonging the shelf life of the sweet potatoes. The cleaned sweet potato has cleaner appearance, and can improve the quality and market competitiveness of the commodity. The equipment needs to have the capability of efficiently removing soil and impurities, and the epidermis of the sweet potatoes is not damaged. Corrosion-resistant and wear-resistant materials are used to extend the service life of the equipment. The equipment is easy to clean and maintain, and meets the sanitary standard of food safety. The device is widely applied to industries such as fruit and vegetable processing, food processing and the like, and particularly in areas where sweet potato planting and processing are concentrated, the sweet potato cleaning device becomes an indispensable processing device.
The Chinese patent publication No. CN209498516U discloses a sweet potato cleaning device, which comprises a machine body, wherein a processing groove with an upward opening is arranged in the middle of the machine body, the processing groove is divided into a soaking area, a spray washing area and a water removing area, and the whole cleaning device adopts pipelining operation, so that the cleaning efficiency can be effectively improved. Through a plurality of processes of soaking, spray washing and water removal, dirt on the surface of the sliced sweet potatoes can be effectively cleaned. The soaking area can soak dirt on the surface of the sweet potatoes, the viscosity between the dirt and the surface of the sweet potatoes is reduced, part of water-soluble dust is removed, the surface of the sweet potatoes is flushed by a pressurized high-pressure jet head in the spraying area, and the dirt is completely removed. The cleaned sweet potatoes are effectively thrown out of the surface through an air drying device, a vibrator and the like for removing water, so that the next working procedure is convenient.
The technical scheme has the following defects that the root tuber of the sweet potato plant in the Convolvulaceae is used as the sweet potato plant, the surface of the rhizome plant is easy to adhere to soil, the soil on the surface of the rhizome plant needs to be cleaned, the rhizome plant is mostly provided with a tiny whisker-shaped part, the root tuber plant is tiny and more, soil and impurities are easy to adhere to the root tuber plant, and when the sweet potato plant is cleaned, the root tuber plant is required to be cleaned, dead angles are left on the surface of the sweet potato plant, and the sweet potato plant is difficult to fall off in a direct flushing and soaking mode, so that part of soil remains on the surface of the sweet potato plant to influence the required production effect, and the cleaning device and the cleaning method for the sweet potato plant are provided so as to solve the problems.
Disclosure of Invention
The invention aims to provide a cleaning device and a cleaning method for sweet potatoes, which are used for solving the problems that in the background technology, the sweet potatoes are root tubers of sweet potato plants in Convolvulaceae, the surfaces of rhizome plants are easy to adhere to soil, the soil on the surfaces of the rhizome plants needs to be cleaned, the rhizome plants mostly have tiny whisker-shaped parts, the sweet potatoes are tiny and more and are easy to adhere to soil and impurities, and when in cleaning, the sweet potatoes are required to have cleaning dead angles on the surfaces of the sweet potatoes, and the sweet potatoes are difficult to fall off in a direct washing and soaking mode, so that part of soil remains on the surfaces of the sweet potatoes, and the required production effect is affected.
The cleaning device for sweet potatoes comprises a mud removing device, wherein a flushing device is arranged on one side of the mud removing device, a material collecting box is arranged on the front side of the flushing device in a sealing mode, a belt type lifter is fixedly arranged above the material collecting box, a vibration draining machine is arranged below the other side of the belt type lifter, a material receiving frame is arranged on the rear side of the vibration draining machine, cleaning brush rollers, first whisker clamping rollers and second whisker clamping rollers are arranged in the mud removing device at intervals, and a first whisker clamping roller and a second whisker clamping roller are arranged between adjacent cleaning brush rollers, and the first whisker clamping roller is located on one side of the second whisker clamping roller.
Preferably, a receiving hopper is arranged on one side of the upper end of the mud removing device in a sealing manner, a pushing screw rod is arranged on the front inner wall and the rear inner wall of the mud removing device, a pushing mechanism is arranged between the pushing screw rods, the pushing mechanism is positioned above the cleaning brush roller, the first whisker clamping roller and the second whisker clamping roller, a slag collecting frame is arranged below the mud removing device, the slag collecting frame is positioned below the cleaning brush roller, the first whisker clamping roller and the second whisker clamping roller, and an ultraviolet lamp is fixedly arranged on the inner wall of the upper end of the mud removing device.
Preferably, the first whisker clamping roller and the second whisker clamping roller are rubber rollers, one to two millimeters are spaced between the first whisker clamping roller and the second whisker clamping roller, a bristle cleaning brush is annularly arranged on the outer side of the cleaning brush roller, a conveying pipe is arranged at one end of the mud removing device in a sealing mode, a material limiting baffle is arranged on one side of the inner wall of the mud removing device in a fitting mode, an electric telescopic cylinder of the material limiting baffle is fixedly arranged above the material limiting baffle, and the upper end of the electric telescopic cylinder of the material limiting baffle is fixedly connected with the inner wall of the upper end of the mud removing device.
Preferably, the cleaning brush roller, the first whisker clamping roller and the second whisker clamping roller are internally and fixedly provided with rotating shafts, one side of the rear end of the mud removing device is provided with a mud removing device motor, the mud removing device motor is in transmission connection with the rotating shaft of the cleaning brush roller on one side, a first gear is fixedly sleeved outside one side of the rotating shaft of the first whisker clamping roller, a second gear is fixedly sleeved outside the rotating shaft of the second whisker clamping roller, the first gear is in meshed connection with the second gear, and the rotating shafts of the cleaning brush roller are respectively in transmission connection with the rotating shafts of the first whisker clamping roller and the second whisker clamping roller through driving belts.
Preferably, the pushing mechanism comprises an electric telescopic cylinder, a sliding seat, a limiting sleeve, a pushing plate and an anti-falling block, the sliding seat is connected with the pushing screw in a transmission manner, the limiting sleeves are symmetrically arranged at two ends of the inner side of the pushing screw, the pushing plate is arranged in the limiting sleeve in a sliding manner, the anti-falling block is fixedly arranged above the pushing plate, the anti-falling block is larger than the drift diameter of the limiting sleeve, and the electric telescopic cylinder is symmetrically and fixedly arranged between the anti-falling block and the sliding seat.
Preferably, the inside fixed mounting of washing unit has the spiral baffle, the spiral baffle is the heliciform, the below fixed mounting of washing unit inside has the fixed plate, the intermediate position department of fixed plate below installs the rotor plate motor, the rotor plate is installed to the top of fixed plate, the output of rotor plate motor extends to the top of fixed plate and is connected with the rotor plate transmission, a plurality of supersonic generator are installed to the below rectangle of fixed plate.
Preferably, six first material conveying clapboards are annularly arranged above the rotating plate, two third material conveying clapboards and one second material conveying clapboards are arranged between the adjacent first material conveying clapboards, two second material conveying clapboards are arranged between the third material conveying clapboards, six second material conveying clapboards are arranged, twelve third material conveying clapboards are arranged, the length of each first material conveying clapboards is greater than that of each second material conveying clapboards, and the length of each third material conveying clapboards is smaller than that of each second material conveying clapboards.
Preferably, the inner wall of the inner side of the middle position of the spiral partition plate is fixedly provided with a water inlet nozzle, one side of the water inlet nozzle is provided with a water inlet pipe in a sealing mode, and one end of the water inlet pipe penetrates through and extends to the outside of the flushing device.
Preferably, the upper part of the flushing device is provided with a sealing cover in a sealing way, the upper end of the spiral partition plate is matched with the sealing cover in an extending way, one end of the conveying pipe is connected with the sealing cover in a sealing way, and one end of the conveying pipe is positioned above the middle position of the spiral partition plate.
The cleaning method of the cleaning device for sweet potatoes comprises the following steps of:
step one: putting sweet potatoes into a mud removing device through a receiving hopper, starting an ultraviolet lamp, wherein the ultraviolet lamp has strong sterilization effect, can destroy DNA or RNA structure of microorganisms, so that microorganisms on the surface of the sweet potatoes lose reproductive capacity, and prolong the quality guarantee period of the sweet potatoes, thereby achieving the sterilization and corrosion prevention effects, at the moment, a pushing mechanism is positioned at a middle position, a mud removing device motor is started, the mud removing device motor drives a rotating shaft of a cleaning brush roller on one side to rotate, the rotating shaft of the cleaning brush roller drives a first whisker clamping roller on one side to rotate through a belt, the first whisker clamping roller drives a second whisker clamping roller provided with a second gear to rotate through the first gear, the second whisker clamping roller drives a cleaning brush roller on one side of the second whisker clamping roller to rotate through a belt, the adjacent cleaning brush roller, the first whisker clamping roller and the second whisker clamping roller are sequentially driven to rotate through meshed transmission of the belt and the second gear and the second whisker clamping roller, and the adjacent cleaning brush roller is driven to reversely rotate through transmission of the two gears, so that different positions of sweet potatoes are cleaned, soil blocks adhered to the surfaces of the sweet potatoes are brushed off, and the soil blocks fall into a slag collecting frame along with gaps of the cleaning brush roller;
Starting a pushing screw rod, driving a sliding seat to slide in the direction of a receiving hopper by forward rotation of the pushing screw rod until a pushing plate on one side is close to the inner wall of the mud removing device, simultaneously contracting an electric telescopic cylinder of a pushing mechanism, driving an anti-falling block to move downwards by the electric telescopic cylinder, driving the pushing plate to slide downwards under the limit of a limit sleeve until the pushing plate on one side is positioned on one side of all sweet potatoes in the mud removing device, driving the pushing screw rod to reversely rotate so as to drive the pushing plate to move towards the other side, and pushing the piled sweet potatoes by the pushing of the pushing plate so as to be dispersed in the mud removing device;
When the pushing mechanism moves to the other side in the mud removing device, an electric telescopic cylinder with one contracted side is extended to enable a pushing plate with one moved side to move upwards, an electric telescopic cylinder with the other side is contracted, the electric telescopic cylinder drives a pushing plate with the other side to extend downwards to a position which is two centimeters away from the cleaning brush roller, the sliding seat is driven to slide in the direction of the receiving hopper in a forward rotation manner, meanwhile, the pushing plate moves upwards and downwards along with the radian of the first hair clamping roller and the second hair clamping roller of the cleaning brush roller until the pushing plate with the radian is forty to fifty centimeters away from the inner wall of one side of the mud removing device, the pushing plate with the sliding seat is moved to the inner wall of the one side of the mud removing device, and repeating the steps one to three to complete mud removing and hair removing operations on the sweet potatoes in a reciprocating manner;
pushing the sweet potatoes to the direction of the conveying pipe through a pushing plate at one side, and simultaneously shrinking an electric telescopic cylinder of the material limiting baffle, wherein the electric telescopic cylinder of the material limiting baffle drives the material limiting baffle to move upwards, so that the sweet potatoes flow into the flushing device along with the downward-inclined conveying pipe;
The water inlet pipe transmits clean water to the water inlet spray head, the water inlet spray head sprays the water to the spiral partition board slowly, so that water flow washes the surface of the sweet potato and pushes the sweet potato to rotate spirally along with the water flow, the contact time between the sweet potato and the water flow is increased, the rotating plate motor drives the rotating plate to rotate slowly, meanwhile, the ultrasonic generator is started, a high-frequency oscillation signal generated by the ultrasonic generator is converted into high-frequency mechanical oscillation through the transducer and radiated in a cleaning liquid in a longitudinal wave mode, tiny bubbles in the water vibrate under the action of a sound field under the action of ultrasonic waves, when the sound pressure reaches a certain value, the bubbles grow rapidly and then are closed suddenly, shock waves are generated around the bubbles, thousands of atmospheric pressure and hundreds of high temperature are generated, the shock waves and the high temperature can destroy insoluble dirt, the insoluble dirt can be dispersed in the water, meanwhile, the vibration of the bubbles and the capability of entering cracks can also enable the residual soil on the surface of the sweet potato to fall off, and the sweet potato enters the inside of a collection box after the cleaning is completed;
And step six, conveying the sweet potatoes in the material collecting box along with the lifting of the belt hoist and falling above the vibration draining machine, vibrating the residual moisture on the surface of the sweet potatoes by the vibration draining machine, and finally falling into the material receiving frame along with the movement of the sweet potatoes to the direction of the material receiving frame.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the mud removing device performs mud removing and whisker removing operations on the sweet potatoes, and the transmission of the two gears drives the adjacent cleaning brush rollers to reversely rotate, so that different positions of the sweet potatoes are cleaned, soil blocks adhered to the surfaces of the sweet potatoes are brushed down, and the soil blocks fall into a slag collecting frame along with gaps of the cleaning brush rollers; starting a pushing screw rod, driving a sliding seat to slide towards a hopper by forward rotation until a pushing plate on one side is close to the inner wall of a mud removing device, contracting an electric telescopic cylinder of a pushing mechanism, driving a falling prevention block to move downwards, driving the pushing plate to slide downwards under the limit of a limit sleeve by the falling prevention block until the pushing plate on one side is positioned on one side of all sweet potatoes in the mud removing device, at the moment, enabling the distance between the pushing plate and a cleaning brush roller to be larger than the diameter of the sweet potatoes by one to two centimeters, driving the pushing screw rod to reversely rotate so as to drive the pushing plate to move towards the other side, pushing the piled sweet potatoes by pushing the pushing plate so as to be dispersed in the mud removing device, pulling root hairs on the sweet potatoes along with the friction force between a first hair clamping roller and a second hair clamping roller when rolling so as to separate with the skin of the sweet potatoes, extending the electric telescopic cylinder on one side to the other side when the pushing mechanism moves to the other side in the mud removing device, enabling the electric telescopic cylinder on one side to move downwards, enabling the other side to move upwards, driving the electric telescopic cylinder on the other side to move towards the opposite side to be more than the diameter of the sweet potatoes by one centimeter, driving the opposite side to slide along with the position of the cleaning brush roller to move towards the opposite side, and the opposite direction of the cleaning roller to move along with the opposite direction of the first hair clamping roller, and the opposite direction of the cleaning roller is kept away from the opposite side, and the opposite side is separated along with the opposite side, and the opposite direction, and the opposite hair is separated, and (3) moving the sliding seat to a pushing plate at one side to approach the inner wall of the mud removing device, repeating the steps one to three, turning the sweet potatoes, and repeating the steps ten times to complete mud removing and whisker removing operations.
2. According to the flushing device disclosed by the invention, cleaning water is transmitted to the water inlet nozzle by the water inlet pipe, the water is slowly sprayed to the spiral partition plate by the water inlet nozzle, so that water flow is enabled to flush the surface of the sweet potato and simultaneously push the sweet potato to rotate spirally along with the water flow, the contact time between the sweet potato and the water flow is increased, the rotating plate is driven by the motor of the rotating plate to rotate slowly, meanwhile, the ultrasonic generator is started, a high-frequency oscillation signal generated by the ultrasonic generator is converted into high-frequency mechanical oscillation by the transducer and radiated in a cleaning liquid in a longitudinal wave mode, tiny bubbles in the water vibrate under the action of ultrasonic waves, when the sound pressure reaches a certain value, the bubbles are rapidly increased and then suddenly closed, shock waves are generated in the process, thousands of atmospheric pressure and hundreds of high temperature are generated around the shock waves and the high temperature, insoluble dirt can be destroyed, the shock waves are dispersed in the water, and meanwhile, the residual soil on the surface of the sweet potato can be fallen off due to the vibration of the bubbles and the capability of entering the crack.
Drawings
FIG. 1 is a top view of the present invention;
FIG. 2 is a schematic diagram of a flushing device according to the present invention;
FIG. 3 is a schematic diagram of a flushing device according to a second embodiment of the present invention;
FIG. 4 is a schematic diagram of a mud removing apparatus according to the present invention;
FIG. 5 is a schematic diagram of a mud removing apparatus according to the present invention;
fig. 6 is a schematic structural diagram of a pushing mechanism in the present invention.
The device comprises a 1, a mud removing device, a 2, a flushing device, a3, a belt type lifting machine, a 4, a vibration draining machine, a 5, a material receiving frame, a 6, a material receiving hopper, a 7, a material conveying pipe, a 8, a material collecting box, a 9, a rotating plate, a 10, a first material conveying partition plate, a 11, a second material conveying partition plate, a 12, a third material conveying partition plate, a 13, a water inlet nozzle, a 14, a water inlet pipe, a 15, a spiral partition plate, a 16, a fixed plate, a 17, a rotating plate motor, a 18, an ultrasonic generator, a 19, a sealing cover, a 20, a cleaning brush roll, a 21, a first hair clamping roll, a 22, a second hair clamping roll, a 23, a slag collecting frame, a 24, a material pushing screw rod, a 25, a pushing mechanism, a 26, a material limiting baffle electric telescopic cylinder, a 27, a material limiting baffle plate, a 28, a rotating shaft, a 29, a mud removing device motor, a 30, an electric telescopic cylinder, a 31, a driving belt, a 32, a first gear, a 33, a second gear, a 34, a sliding seat, a 35, a limit sleeve, a 36, a material pushing plate, a 37, an anti-falling block and an ultraviolet lamp.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-6, an embodiment of the invention provides a cleaning device for sweet potatoes, which comprises a mud removing device 1, wherein a flushing device 2 is arranged on one side of the mud removing device 1, a material collecting box 8 is arranged on the front side of the flushing device 2 in a sealing manner, a belt type lifter 3 is fixedly arranged above the material collecting box 8, a vibration draining machine 4 is arranged below the other side of the belt type lifter 3, a material receiving frame 5 is arranged on the rear side of the vibration draining machine 4, cleaning brush rollers 20, a first whisker clamping roller 21 and a second whisker clamping roller 22 are arranged at intervals inside the mud removing device 1, a first whisker clamping roller 21 and a second whisker clamping roller 22 are arranged between adjacent cleaning brush rollers 20, and the first whisker clamping roller 21 is positioned on one side of the second whisker clamping roller 22.
The mud removing device 1 carries out mud removing and whisker removing operation on sweet potatoes, a pushing screw rod 24 is started, the pushing screw rod 24 is rotated forwards to drive a sliding seat 34 to slide towards a receiving hopper 6 until a pushing plate 36 on one side is close to the inner wall of the mud removing device 1, an electric telescopic cylinder 30 of a pushing mechanism 25 is contracted, the electric telescopic cylinder 30 drives a falling-preventing block 37 to move downwards, the falling-preventing block 37 drives the pushing plate 36 to slide downwards under the limit of a limit sleeve 35 until the pushing plate 36 on one side is positioned on one side of all sweet potatoes in the mud removing device 1, at the moment, the distance between the pushing plate 36 and a cleaning brush roll 20 is larger than the diameter of the sweet potatoes by one to two centimeters, the pushing screw rod 24 is driven to rotate reversely to drive the pushing plate 36 to move towards the other side, and the accumulated sweet potatoes are pushed away by the pushing of the pushing plate 36, so that the accumulated sweet potatoes are dispersed in the mud removing device 1; when the pushing mechanism 25 moves to the other side in the mud removing device 1, the electric telescopic cylinder 30 with one contracted side is extended, the pushing plate 36 with one moved side moves upwards, the electric telescopic cylinder 30 with the other side is contracted, the electric telescopic cylinder 30 drives the pushing plate 36 with the other side to extend downwards to a position which is two centimeters away from the cleaning brush roller 20, the sliding seat 34 is driven to slide towards the receiving hopper 6 in a forward rotation manner, meanwhile, the pushing plate 36 moves upwards and downwards along with the radian of the first and second hair clamping rollers 21 and 22 of the cleaning brush roller 20 until the pushing plate 36 with one moved side is close to the inner wall of the mud removing device 1 by forty to fifty centimeters when the pushing mechanism 25 moves to the other side, the sliding seat 34 moves to the pushing plate 36 with one moved side to be close to the inner wall of the mud removing device 1, the steps one to three are repeated, the sweet potatoes are turned over, and (5) repeating the steps for ten times to finish the mud removing and whisker removing operation.
Referring to fig. 1,4 and 5, a receiving hopper 6 is mounted on one side of the upper end of the mud removing device 1 in a sealing manner, a pushing screw 24 is mounted on the front and rear opposite inner walls of the mud removing device 1, a pushing mechanism 25 is mounted between the two pushing screws 24, the pushing mechanism 25 is located above the cleaning brush roller 20, the first whisker clamping roller 21 and the second whisker clamping roller 22, a slag collecting frame 23 is arranged below the mud removing device 1, the slag collecting frame 23 is located below the cleaning brush roller 20, the first whisker clamping roller 21 and the second whisker clamping roller 22, and an ultraviolet lamp 38 is fixedly mounted on the inner wall of the upper end of the mud removing device 1. The first whisker clamping roller 21 and the second whisker clamping roller 22 are rubber rollers, one to two millimeters are spaced between the first whisker clamping roller 21 and the second whisker clamping roller 22, a bristle cleaning brush is annularly arranged on the outer side of the cleaning brush roller 20, a conveying pipe 7 is arranged at one end of the mud removing device 1 in a sealing mode, a material limiting baffle 27 is arranged on one side of the inner wall of the mud removing device 1 in a fitting mode, a material limiting baffle electric telescopic cylinder 26 is fixedly arranged above the material limiting baffle 27, and the upper end of the material limiting baffle electric telescopic cylinder 26 is fixedly connected with the inner wall of the upper end of the mud removing device 1. The cleaning brush roller 20, the first whisker clamping roller 21 and the second whisker clamping roller 22 are internally and fixedly provided with a rotating shaft 28, one side of the rear end of the mud removing device 1 is provided with a mud removing device motor 29, the mud removing device motor 29 is in transmission connection with the rotating shaft 28 of the cleaning brush roller 20 on one side, a first gear 32 is fixedly sleeved outside one side of the rotating shaft 28 of the first whisker clamping roller 21, a second gear 33 is fixedly sleeved outside the rotating shaft 28 of the second whisker clamping roller 22, the first gear 32 is in meshed connection with the second gear 33, and the rotating shaft 28 of the cleaning brush roller 20 is respectively in transmission connection with the rotating shafts 28 of the first whisker clamping roller 21 and the second whisker clamping roller 22 through a driving belt 31.
Referring to fig. 4 and 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-falling block 37, the sliding seat 34 is in transmission connection with the pushing screw 24, the limiting sleeve 35 is symmetrically arranged at two ends of the inner side of the pushing screw 24, the pushing plate 36 is slidably mounted in the limiting sleeve 35, the anti-falling block 37 is fixedly mounted above the pushing plate 36, the size of the anti-falling block 37 is larger than the diameter of the limiting sleeve 35, and the electric telescopic cylinder 30 is symmetrically and fixedly mounted between the anti-falling block 37 and the sliding seat 34.
Referring to fig. 2-3, a spiral partition 15 is fixedly installed in the flushing device 2, the spiral partition 15 is in a spiral shape, a fixed plate 16 is fixedly installed below the flushing device 2, 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, the output end of the rotating plate motor 17 extends to the upper side of the fixed plate 16 and is in transmission connection with the rotating plate 9, six first material conveying partition 10 are annularly arranged above the rotating plate 9 of a plurality of ultrasonic generators 18 installed below the fixed plate 16, two third material conveying partition 12 and one second material conveying partition 11 are arranged between two adjacent first material conveying partition plates 10, two second material conveying partition 11 are arranged between the two third material conveying partition plates 12, six second material conveying partition plates 11 are arranged, twelve third material conveying partition plates 12 are arranged, the length of each first material conveying partition plate 10 is greater than the length of each second material conveying partition plate 11, and the length of each third material conveying partition plate 12 is smaller than the length of each second material conveying partition plate 11. The inner wall of the inner side of the middle position of the spiral partition plate 15 is fixedly provided with a water inlet nozzle 13, one side of the water inlet nozzle 13 is provided with a water inlet pipe 14 in a sealing way, and one end of the water inlet pipe 14 penetrates through and extends to the outside of the flushing device 2. The upper part of the flushing device 2 is provided with a sealing cover 19 in a sealing way, the upper end of the spiral partition plate 15 extends and is matched with the sealing cover 19, one end of the conveying pipe 7 is connected with the sealing cover 19 in a sealing way, and one end of the conveying pipe 7 is positioned above the middle position of the spiral partition plate 15.
The cleaning method of the cleaning device for sweet potatoes comprises the following steps of:
Firstly, putting sweet potatoes into a mud removing device 1 through a receiving hopper 6, starting an ultraviolet lamp 38, wherein ultraviolet rays have strong sterilization effect, and can destroy DNA or RNA structures of microorganisms, so that microorganisms on the surfaces of the sweet potatoes lose reproduction capacity, and the quality guarantee period of the sweet potatoes is prolonged, thereby achieving sterilization and corrosion prevention effects, at the moment, a pushing mechanism 25 is positioned at a middle position, starting a mud removing device motor 29, driving a rotating shaft 28 of a cleaning brush roller 20 on one side by the mud removing device motor 29 to rotate, driving a first whisker clamping roller 21 on one side by the rotating shaft 28 of the cleaning brush roller 20 through a belt, driving a second whisker clamping roller 22 provided with a second gear 33 to rotate by the first whisker clamping roller 21 through a first gear 32, driving a cleaning brush roller 20 on one side by the second whisker clamping roller 22 through the belt, sequentially driving adjacent cleaning brush rollers 20, the first whisker clamping roller 21 and the second whisker clamping roller 22 to rotate through meshing transmission of the belt and the second gear 33, and driving the adjacent cleaning brush rollers 20 to reversely rotate due to the transmission of the two gears, so that soil blocks of the sweet potatoes are adhered to each other to the cleaning brush blocks on the surfaces of the cleaning brush blocks 23 along with the soil blocks falling into gaps;
Starting a pushing screw 24, driving a sliding seat 34 to slide towards a receiving hopper 6 by forward rotation of the pushing screw 24 until a pushing plate 36 on one side is close to the inner wall of the mud removing device 1, simultaneously contracting an electric telescopic cylinder 30 of a pushing mechanism 25, driving an anti-falling block 37 to move downwards by the electric telescopic cylinder 30, driving the pushing plate 36 to slide downwards under the limit of a limit sleeve 35 by the anti-falling block 37 until the pushing plate 36 on one side is positioned on one side of all pachyrhizus in the mud removing device 1, at the moment, the distance between the pushing plate 36 and a cleaning brush roller 20 is larger than the diameter of the pachyrhizus by one to two centimeters, driving the pushing screw 24 to reversely rotate so as to drive the pushing plate 36 to move towards the other side, pushing the pachyrhizus piled together by pushing of the pushing plate 36, and dispersing in the mud removing device 1;
Step three, when the root hair on the sweet potato rolls along with the friction force between the first hair clamping roller 21 and the second hair clamping roller 22 to separate from the sweet potato skin, when the pushing mechanism 25 moves to the other side in the mud removing device 1, the electric telescopic cylinder 30 with one contracted side is extended, the pushing plate 36 with one side moved downwards moves upwards, the electric telescopic cylinder 30 with the other side is contracted, the electric telescopic cylinder 30 drives the pushing plate 36 with the other side to extend downwards to a position which is two centimeters away from the cleaning brush roller 20, the sliding seat 34 is driven to slide in the direction of the receiving hopper 6 in a forward rotation manner, meanwhile, the pushing plate 36 moves upwards and downwards along with the radian of the first hair clamping roller 21 and the second hair clamping roller 22 of the cleaning brush roller 20 until the pushing plate 36 with one side which is close to the mud removing device 1 moves upwards, the pushing plate 36 with the sliding seat 34 with one side which is close to the inner wall of the mud removing device 1 is repeated steps one to step three, and the sweet potato hair is removed and the reciprocating operation is completed ten times;
pushing the sweet potatoes to the direction of the conveying pipe 7 through a pushing plate 36 on one side, and simultaneously shrinking the electric telescopic cylinders 26 of the limiting baffles, wherein the electric telescopic cylinders 26 of the limiting baffles drive the limiting baffles 27 to move upwards, so that the sweet potatoes flow into the flushing device 2 along with the downward-inclined conveying pipe 7;
The water inlet pipe 14 transmits clean water to the water inlet spray head 13, the water inlet spray head 13 sprays the water to the spiral partition 15 slowly, so that the water flow washes the surface of the sweet potato and pushes the sweet potato to rotate spirally along with the water flow, the contact time between the sweet potato and the water flow is increased, the rotating plate motor 17 drives the rotating plate 9 to rotate slowly, meanwhile, the ultrasonic generator 18 is started, a high-frequency oscillation signal generated by the ultrasonic generator 18 is converted into high-frequency mechanical oscillation through the transducer and radiated in a cleaning liquid in a longitudinal wave mode, tiny bubbles in the water vibrate under the action of ultrasonic waves, when the sound pressure reaches a certain value, the bubbles grow rapidly and then are closed suddenly, shock waves are generated in the process, thousands of atmospheric pressure and hundreds of high temperature are generated around the shock waves and the high temperature, insoluble dirt can be destroyed, the shock waves are dispersed in the water, meanwhile, the vibration of the bubbles and the capacity of entering into cracks can also enable soil remained on the surface of the sweet potato to fall off, and the sweet potato enters the inside of the collection box 8 after cleaning is completed;
Step six, the sweet potatoes in the collection box 8 are conveyed along with the lifting of the belt hoist 3 and fall above the vibration draining machine 4, the vibration draining machine 4 shakes and falls residual moisture on the surface of the sweet potatoes through vibration, and the sweet potatoes move towards the receiving frame 5 along with vibration and finally fall into the receiving frame 5.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.