Sweet potato slicing device for food processing and use method thereof

Abstract

The invention relates to the technical field of potato starch slurry processing, and discloses a sweet potato slicing device for food processing and a use method thereof.The sweet potato slicing device comprises a slicing box, a guide plate is installed in the slicing box, and a sweet potato feeding hopper and a slicing assembly are installed in the slicing box; according to the sweet potato slicing device, the driving motor drives the cutting blade to rotate, the design of the guide plate is combined, sweet potatoes automatically get close to the cutting blade to be sliced under the action of gravity, the slicing efficiency is improved, and the sweet potato slicing device is convenient to use and high in practicability. A cutting blade drives a linkage assembly to fluctuate and shake left and right through an annular convex block, the automatic flushing function in the cutting process is achieved, sweet potato slices are flushed, the temperature of the cutting blade is reduced, the service life of the equipment is prolonged, sweet potato starch slurry or sweet potato starch powder can be obtained, and the practicability is high. Sweet potato starch which should be wasted during cutting is recycled again.

Description

Technical Field

[0001] This invention relates to the field of potato starch slurry processing technology, specifically a sweet potato slicing device for food processing and its usage method. Background Technology

[0002] Sweet potatoes, also known as yams, are annual plants belonging to the Convolvulaceae family. Slicing sweet potatoes makes them easier to process into various foods, such as potato chips and dried sweet potatoes, extending their shelf life and increasing their economic value. The reduced volume of sliced ​​sweet potatoes also facilitates packaging, storage, and transportation, lowering logistics costs and expanding the market. Therefore, sweet potato slicing has become an important step in food processing.

[0003] Currently, the debris generated during the traditional sweet potato slicing process tends to adhere to the sweet potato slices and cutting blades, affecting the slicing effect and subsequent processing. Furthermore, the wastewater generated during the washing and rinsing process contains a large amount of starch, which is often directly discharged, resulting in resource waste. Therefore, this paper provides a sweet potato slicing device for food processing and its usage method to solve the above-mentioned problems. Summary of the Invention

[0004] To address the problem that existing sweet potato slicing devices for food processing often fail to thoroughly remove impurities and result in uneven starch particle size, this invention provides a sweet potato slicing device for food processing and its usage method to solve the aforementioned problems.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] A sweet potato slicing device for food processing includes a slicing box, a guide plate installed inside the slicing box, a spraying component and a slicing component installed inside the slicing box, and a linkage component slidably connected to the top of the inner wall of the slicing box. The guide plate is fixed to the spraying component, the spraying component is located on the outer ring of the slicing component, the spraying component and the linkage component are in contact with each other, and a conveyor belt for catching sweet potato slices is provided on the side of the linkage component away from the spraying component. The conveyor belt has multiple drainage mesh holes and extends through and out of the outside of the slicing box.

[0007] The slicing assembly includes a drive motor, and the output end of the drive motor is fixedly connected to a cutting blade via a coupling. The cutting blade is equipped with an annular protrusion that contacts the linkage assembly and drives the linkage assembly to slide.

[0008] Two starch slurry collection boxes are slidably connected to the bottom of the inner wall of the slicing box, and a drying assembly is installed on the slicing box.

[0009] Preferably, the top of the slicing box is provided with a sweet potato feeding hopper, and the discharging end of the sweet potato feeding hopper is located directly above the guide plate.

[0010] Preferably, the slicing box is further provided with a spraying assembly, the spraying assembly comprises a water tank, a water pump and a hollow support ring, the water tank and the water pump are fixed to the top of the slicing box, the hollow support ring is fixed to the top of the inner wall of the slicing box, the input end of the water pump is in communication with the water tank, the output end of the water pump is in communication with the hollow support ring, a plurality of hollow rods are in communication with the hollow support ring, and a plurality of spray heads are rotatably connected to the hollow rods.

[0011] Preferably, the linkage assembly comprises a linkage frame, the top of the linkage frame is slidably connected to the top of the inner wall of the slicing box, a plurality of linkage rods are arranged on the linkage frame and engaged with the adjacent hollow rods, a linkage block is arranged in the linkage frame, and a linkage protrusion is arranged on the linkage block.

[0012] The linkage protrusion and the annular protrusion are in close contact with each other.

[0013] A second magnet is arranged on each of the linkage rods, and a first magnet is arranged on each of the spray heads and attracted to the adjacent second magnet.

[0014] Preferably, a spring is arranged in each of the linkage rods, a connecting rod is connected to the other end of each of the springs, and each of the connecting rods is connected to the adjacent hollow rod.

[0015] Preferably, each of the cutting blades is provided with a slicing end bevel.

[0016] Preferably, the drying assembly comprises a rotating frame, the rotating frame is rotatably connected to the inner wall of the slicing box, a flexible plate is wound around the rotating frame, and a plurality of heating wires are arranged on the flexible plate.

[0017] Preferably, rotating handles are arranged at both ends of the rotating frame, and the rotating handles extend out of the slicing box.

[0018] Preferably, a sliding handle is fixedly connected to the end of the flexible plate away from the rotating frame, two sliding rails are arranged on the inner wall of the slicing box, and the ends of the sliding handle extend through and are slidably connected to the adjacent sliding rails.

[0019] Preferably, the end of the sliding rail away from the rotating frame is provided with an arc-shaped notch.

[0020] A method for using a sweet potato slicing device for food processing comprises the following steps:

[0021] S1, the sweet potato to be sliced is cleaned in advance, then the cleaned sweet potato is put into the sweet potato feeding hopper, under the action of gravity, the sweet potato enters the guide plate through the sweet potato feeding hopper;

[0022] S2, the driving motor is started to drive the cutting blade to rotate, the sweet potato on the guide plate is close to the slide rail under the action of gravity, then it is sliced, and the sliced sweet potato falls on the conveying belt and is conveyed out of the outside of the slicing box;

[0023] S2a, the cutting blade drives the linkage assembly to sway left and right through the annular protrusion, at this time, the water pump in the spraying assembly is started to pump out the water in the water tank and finally spray out through the multiple spray heads, when the linkage rod moves to block the multiple spray heads, the water flows out through the gap between the hollow rod and the linkage rod and falls on the conveying belt to wash the sweet potato slices, when the linkage rod moves to the multiple spray heads, under the action of the mutual attraction force between the second magnet and the first magnet, the spray head deflects to spray water to the cutting blade to cool the cutting blade;

[0024] S3, the water falling in the steps S1-S2 is the water for washing the cutting blade and the water leaking out of the surface holes of the conveying belt to the starch slurry collecting box after washing the sweet potato slices, and both the water contains rich starch, after the operation of the sweet potato in the steps S1-S2 is completed, the flexible plate is unfolded by pulling the sliding handle until the multiple heating wires cover the two starch slurry collecting boxes, and the sliding handle is embedded in the notch on the slide rail, then the multiple heating wires are powered to dry the water in the starch slurry collecting box, finally the sweet potato starch slurry or sweet potato starch powder is obtained;

[0025] S3a, the sweet potato starch is collected by pulling the handle on the two starch slurry collecting boxes, and the starch slurry collecting box is put back after the collection is completed.

[0026] S4, the water pump and the slicing assembly are started to run for a period of time, the cutting blade and the conveying belt are cleaned, then the cleaned water can be poured back into the water tank through the starch slurry collecting box for recycling.

[0027] Compared with the prior art, the beneficial effects of the present application are:

[0028] 1、The device drives the cutting blade to rotate through the driving motor, and combines the design of the guide plate, so that the sweet potato automatically approaches the cutting blade for slicing under the action of gravity, improves the slicing efficiency, and the cutting blade drives the linkage assembly to sway left and right through the annular protrusion, realizes the automatic washing function in the cutting process, washes the sweet potato slices, and reduces the temperature of the cutting blade, prolongs the service life of the equipment.

[0029] 2、The device falling in the slicing process, whether it is the water for flushing the cutting blade or the water leaking after flushing the sweet potato slices, contains rich starch. The water is collected in the starch slurry collecting box, the water inside the starch slurry collecting box is dried by heating wires, and finally the sweet potato starch slurry or sweet potato starch powder is obtained, so that the sweet potato starch that should be wasted in cutting is recycled.

[0030] 3、The device is designed with a sliding handle and a flexible plate, which can be unfolded to cover the starch slurry collecting box for drying operation when needed, and can be easily collected after operation, without affecting the normal use of the equipment, facilitating the collection of sweet potato starch, and the collecting box can be collected back to the original position, facilitating recycling.

[0031] 4、The device can clean the cutting blade and the transmission belt inside by starting the water pump and the slicing assembly for a period of time, and the cleaned water can be recycled, reducing the maintenance cost. BRIEF DESCRIPTION OF DRAWINGS

[0032] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiment or prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can obtain other drawings according to these drawings without creative labor.

[0033] Figure 1 is a perspective view of the first view of the present application;

[0034] Figure 2 is a perspective view of the second view of the present application;

[0035] Figure 3 is a first view perspective view of the slicing box inside the slicing cooperation work in the present application;

[0036] Figure 4 is a first view perspective view of the slicing box inside the slicing cooperation work in the present application;

[0037] Figure 5 is a perspective view of the starch slurry collecting box cooperating with the slicing box and the drying assembly in the present application;

[0038] Figure 6 is a perspective exploded view of the linkage frame cooperating with the cutting blade in the present application;

[0039] Figure 7 is a perspective view of the drying assembly in the present application;

[0040] Figure 8 is a perspective view of the cutting blade in the present application;

[0041] Figure 9 is a partial cross-sectional structure diagram of the spraying assembly connected with the linkage assembly of the present application.

[0042] The meanings of the reference numerals in the drawings are as follows: 1, slicing box; 11, sweet potato feeding hopper; 12, sliding rail; 13, material guide plate; 2, spraying assembly; 21, water tank; 22, water pump; 23, hollow support ring; 24, hollow rod; 25, spray head; 26, connecting rod; 27, spring; 28, first magnet; 3, linkage assembly; 31, linkage frame; 32, linkage rod; 33, linkage block; 34, linkage protrusion; 35, second magnet; 4, starch slurry water collecting box; 5, drying assembly; 51, rotating frame; 52, rotating handle; 53, flexible plate; 54, sliding handle; 55, heating wire; 6, slicing assembly; 61, driving motor; 62, cutting blade; 63, annular protrusion; 7, conveying belt. DETAILED DESCRIPTION

[0043] In order to make the application purposes, features and advantages of the present application more obvious and easy to understand, the technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the embodiments described below are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0044] Reference Figures 1 to 9 A sweet potato slicing device for food processing includes a slicing box 1, a material guide plate 13 is installed inside the slicing box 1, a spraying assembly 2 and a slicing assembly 6 are installed inside the slicing box 1, a linkage assembly 3 is slidingly connected to the top of the inner wall of the slicing box 1, the material guide plate 13 is fixed with the spraying assembly 2, the spraying assembly 2 is located outside the slicing assembly 6, the spraying assembly 2 and the linkage assembly 3 are in contact with each other, a conveying belt 7 for catching sweet potato slices is arranged on the side of the linkage assembly 3 away from the spraying assembly 2, a plurality of water leakage mesh holes are formed in the conveying belt 7, and the conveying belt 7 penetrates through and extends out of the slicing box 1.

[0045] The slicing assembly 6 includes a driving motor 61, a cutting blade 62 is fixedly connected to the output end of the driving motor 61 through a shaft coupling, and an annular protrusion 63 is installed on the cutting blade 62 and in contact with and drives the linkage assembly 3 to slide;

[0046] Two starch slurry water collecting boxes 4 are slidingly connected to the bottom of the inner wall of the slicing box 1, and a drying assembly 5 is installed on the slicing box 1.

[0047] In the present embodiment, a sweet potato feeding hopper 11 is installed on the top of the slicing box 1, and the discharge end of the sweet potato feeding hopper 11 is located directly above the material guide plate 13.

[0048] Sweet potato input hopper 11 is convenient for filling a large number of sweet potatoes, and the sweet potatoes can be introduced in sequence to the top of the guide plate 13 through the sweet potato input hopper. If the sweet potatoes are blocked, manual cleaning is required. If some sweet potatoes are too sharp or easy to block, a shovel can be used to cut off the sweet potatoes.

[0049] In this embodiment, the slicing box 1 is also provided with a spraying assembly 2, which comprises a water tank 21, a water pump 22 and a hollow support ring 23. The water tank 21 and the water pump 22 are fixed to the top of the slicing box 1, and the hollow support ring 23 is fixed to the top of the inner wall of the slicing box 1. The input end of the water pump 22 is in communication with the water tank 21, and the output end of the water pump 22 is in communication with the hollow support ring 23. A plurality of hollow rods 24 are in communication with the hollow support ring 23, and a plurality of spray heads 25 are rotatably connected to the hollow rods 24.

[0050] The linkage assembly 3 comprises a linkage frame 31, which is slidably connected to the top of the inner wall of the slicing box 1. A plurality of linkage rods 32 are installed on the linkage frame 31 and are engaged with adjacent hollow rods 24. A linkage block 33 is installed in the linkage frame 31, and a linkage protrusion 34 is installed on the linkage block 33.

[0051] The linkage protrusion 34 and the annular protrusion 63 are in close contact with each other.

[0052] A plurality of second magnets 35 are installed on the plurality of linkage rods 32, and a plurality of first magnets 28 are installed on the plurality of spray heads 25 and are attracted to the adjacent second magnets 35.

[0053] A plurality of springs 27 are installed in the plurality of linkage rods 32, and a plurality of connecting rods 26 are connected to the other ends of the plurality of springs 27. The plurality of connecting rods 26 are connected to the adjacent hollow rods 24.

[0054] At this time, the water pump 22 of the spraying assembly 2 is started, and the water in the water tank 21 is pumped out and finally sprayed out through the plurality of spray heads 25. When the linkage rod 32 moves to the position where the plurality of spray heads 25 are blocked, the water flows out through the gap between the hollow rod 24 and the linkage rod 32 and falls on the conveying belt 7 to wash the sweet potato slices. When the linkage rod 32 moves to the position where the plurality of spray heads 25 are not blocked, the spray heads 25 are deflected under the attraction between the second magnet 35 and the first magnet 28, and the water is sprayed towards the cutting blade 62 to cool the cutting blade 62. This arrangement can achieve both cleaning and cooling effects.

[0055] In this embodiment, the plurality of cutting blades 62 are provided with a slicing end bevel. This arrangement of the blade in cooperation with high-speed rotation can better slice the sweet potatoes.

[0056] In the embodiment, the drying assembly 5 comprises a rotating frame 51 which is rotatably connected with the inner wall of the slicing box 1, a flexible plate 53 is wound on the rotating frame 51, and a plurality of heating wires 55 are installed on the flexible plate 53.

[0057] Rotating handles 52 are installed at both ends of the rotating frame 51, and the two rotating handles 52 both penetrate and extend out of the slicing box 1.

[0058] The sliding handle 54 is fixedly connected with one end of the flexible plate 53 away from the rotating frame 51, and two sliding rails 12 are installed on the inner wall of the slicing box 1, and the two ends of the sliding handle 54 both penetrate and are slidably connected with the adjacent sliding rails 12.

[0059] The end of the sliding rail 12 away from the rotating frame 51 is provided with an arc-shaped notch.

[0060] The sliding handle 54 is pulled to unfold the flexible plate 53 until the plurality of heating wires 55 cover the two starch slurry collecting boxes 4, and the sliding handle 54 is embedded in the notch on the sliding rail 12, then power is supplied to the plurality of heating wires 55 to dry the water in the starch slurry collecting box 4, and finally the sweet potato starch slurry or sweet potato starch powder is obtained.

[0061] Further, when the heating wires 55 are used for drying, the starch water in the two starch slurry collecting boxes 4 can be precipitated first, and after a period of time, the supernatant is drawn out and then dried by the heating wires 55, so that the starch extraction efficiency is higher, and the drawn water flow can be returned to the water tank 21 for reuse.

[0062] Further, the water tank 21 can be externally connected with a water pipe to continuously ensure water supply when a large amount of sweet potatoes are processed at one time.

[0063] Further, the flexible plate 53 is made of a high-temperature-resistant and coiled material, and holes are formed in the flexible plate 53 to facilitate the timely discharge of water vapor in the starch without accumulation in the starch slurry collecting box 4.

[0064] When the device is used, the detailed method of operation and the corresponding working principle should be as follows:

[0065] S1, the sweet potatoes to be sliced are pre-washed, then the washed sweet potatoes are put into the sweet potato feeding hopper 11, under the action of gravity, the sweet potatoes enter the guide plate 13 through the sweet potato feeding hopper 11, and the sweet potatoes continue to roll on the guide plate 13 until they contact the cutting blade 62;

[0066] S2, the driving motor 61 is started to drive the cutting blade 62 to rotate, and the sweet potatoes on the guide plate 13 are close to the sliding rail 12 under the action of gravity, then the sweet potatoes are sliced, and the processed sweet potato slices fall on the conveying belt 7 and are conveyed out of the slicing box 1;

[0067] S2a, the cutting blade 62 is driven by the annular protrusion 63 to swing left and right, please refer to Figure 6 , the annular protrusion 63 is lotus-shaped, the surface has ups and downs, and is matched with the linkage protrusion 34, when the driving motor 61 drives the cutting blade 62 to rotate, the annular protrusion 63 is driven to rotate, so that the linkage protrusion can drive the linkage frame 31 to move right, and under the limiting of the plurality of connecting rods 26 and the spring 27, the linkage frame 31 is pulled back to the left, so that the moving state of left and right reciprocating movement is formed, at this time, the water pump 22 in the spraying assembly 2 is started, the water in the water tank 21 is pumped out and finally sprayed through the plurality of nozzles 25, when the linkage rod 32 moves to the plurality of nozzles 25 are blocked, the water flows through the gap between the hollow rod 24 and the linkage rod 32 and falls on the transmission belt 7 to wash the sweet potato slices, when the linkage rod 32 moves to the plurality of nozzles 25, under the action of the mutual attraction between the second magnet 35 and the first magnet 28, the nozzle 25 deflects to spray water to the cutting blade 62 to cool the cutting blade 62;

[0068] S3, the water falling in the steps S2 is the water for washing the cutting blade 62 and the water leaking through the holes on the surface of the transmission belt 7 into the starch slurry collecting tank 4 after washing the sweet potato slices, and both the waters contain rich starch, after the operation of the sweet potato in the steps S1-S2 is completed, the sliding handle 54 is pulled to expand the flexible plate 53 until the plurality of heating wires 55 covers the two starch slurry collecting tanks 4, and the sliding handle 54 is embedded into the notch on the slide rail 12, then power is supplied to the plurality of heating wires 55 to dry the water in the starch slurry collecting tank 4, finally the sweet potato starch slurry or sweet potato starch powder is obtained, after the operation is completed, the sliding handle 54 is taken off from the notch and slides into the normal track of the slide rail 12, then the rotating handle 52 is rotated, and the flexible plate 53 is retracted under the support of the rotating frame 51;

[0069] S3a, after the handles on the two starch slurry collecting tanks 4 are pulled, the sweet potato starch is collected, and after the collection is completed, the starch slurry collecting tank 4 is put back.

[0070] S4, the water pump 22 and the slicing assembly 6 are started and run for a period of time, the cutting blade 62 and the transmission belt 7 in the interior are cleaned, then the cleaned water can be poured back into the water tank 21 through the starch slurry collecting tank 4 for recycling.

[0071] It is apparent to those skilled in the art that the application is not limited to the details of the foregoing exemplary embodiments, and that the application can be implemented in other particular forms without departing from the spirit or essential characteristics of the application. The foregoing embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the application 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. No reference signs in the claims should be considered as limiting the scope of the claims to the features to which the reference signs are attached.

[0072] The above-described embodiments are merely intended for describing and illustrating, not limiting, the technical solutions of the present application; even though the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacements for some technical features therein; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A sweet potato slicing device for food processing, comprising a slicing box (1), characterized in that: The inside of the slicing box (1) is provided with a material guide plate (13), the inside of the slicing box (1) is provided with a spraying assembly (2) and a slicing assembly (6), and the top of the inner wall of the slicing box (1) is slidably connected with a linkage assembly (3), the material guide plate (13) is fixed with the spraying assembly (2), the spraying assembly (2) is located outside the slicing assembly (6), the spraying assembly (2) is in contact with the linkage assembly (3), the side, away from the spraying assembly (2), of the linkage assembly (3) is provided with a transmission belt (7) for catching sweet potato slices, a plurality of water leakage meshes are formed in the transmission belt (7), and the transmission belt (7) penetrates through and extends out of the slicing box (1). The slicing assembly (6) comprises a driving motor (61), the output end of the driving motor (61) is fixedly connected with a cutting blade (62) through a shaft coupling, and the cutting blade (62) is provided with an annular protrusion (63) in contact with and driving the linkage assembly (3) to slide. The bottom of the inner wall of the slicing box (1) is slidably connected with two starch slurry collecting boxes (4), and the slicing box (1) is provided with a drying assembly (5).

2. The sweet potato slicing device for food processing according to claim 1, characterized in that: The top of the slicing box (1) is provided with a sweet potato feeding hopper (11), and the discharge end of the sweet potato feeding hopper (11) is located directly above the material guide plate (13).

3. The sweet potato slicing apparatus for food processing according to claim 1, characterized in that: The spraying assembly (2) comprises a water tank (21), a water pump (22) and a hollow support ring (23), the water tank (21) and the water pump (22) are fixed to the top of the slicing box (1), the hollow support ring (23) is fixed to the top of the inner wall of the slicing box (1), the input end of the water pump (22) is in communication with the water tank (21), the output end of the water pump (22) is in communication with the hollow support ring (23), a plurality of hollow rods (24) are in communication with the hollow support ring (23), and a plurality of spray heads (25) are rotatably connected to the hollow rods (24).

4. The sweet potato slicing apparatus for food processing according to claim 3, characterized in that: The linkage assembly (3) comprises a linkage frame (31), the top of the linkage frame (31) is slidably connected with the top of the inner wall of the slicing box (1), a plurality of linkage rods (32) are mounted on the linkage frame (31) and engaged with adjacent hollow rods (24), a linkage block (33) is mounted in the linkage frame (31), and a linkage protrusion (34) is mounted on the linkage block (33). The linkage protrusion (34) is in close contact with the annular protrusion (63). A second magnet (35) is mounted on each of the linkage rods (32), and a first magnet (28) is mounted on each of the spray heads (25) and is attracted to the adjacent second magnet (35).

5. The sweet potato slicing device for food processing according to claim 4, characterized in that: A spring (27) is mounted in each of the linkage rods (32), one end of each of the springs (27) is connected with a connecting rod (26), and each of the connecting rods (26) is connected with an adjacent hollow rod (24).

6. The sweet potato slicing apparatus for food processing according to claim 4, wherein: Each of the cutting blades (62) is provided with a slicing end inclined surface.

7. The sweet potato slicing apparatus for food processing according to claim 1, wherein: The drying assembly (5) comprises a rotating frame (51) which is rotatably connected with the inner wall of the slicing box (1), a flexible plate (53) is wound on the rotating frame (51), and a plurality of heating wires (55) are mounted on the flexible plate (53).

8. The sweet potato slicing apparatus for food processing according to claim 7, characterized in that: Both ends of the rotating frame (51) are provided with rotating handles (52), and the two rotating handles (52) penetrate and extend out of the slicing box (1).

9. The sweet potato slicing apparatus for food processing according to claim 8, characterized in that: The end of the flexible plate (53) away from the rotating frame (51) is fixedly connected with a sliding handle (54), the inner wall of the slicing box (1) is provided with two slide rails (12), and both ends of the sliding handle (54) penetrate and are slidably connected with the adjacent slide rails (12). Wherein, the end of the slide rail (12) away from the rotating frame (51) is provided with an arc-shaped notch.

10. A method of using a sweet potato slicing device for food processing, characterized in that: The method comprises the following steps: S1, the sweet potato to be sliced is cleaned in advance, then the cleaned sweet potato is put into the sweet potato feeding hopper (11), and under the action of gravity, the sweet potato enters the guide plate (13) through the sweet potato feeding hopper (11); S2, start the driving motor (61) to drive the cutting blade (62) to rotate, the sweet potato on the guide plate (13) is close to the slide rail (12) under the action of gravity, and then is sliced, and the sliced sweet potato falls on the conveying belt (7) and is conveyed out of the outside of the slicing box (1); S2a, the cutting blade (62) drives the linkage assembly (3) to sway left and right through the annular protrusion (63), at this time, the water pump (22) in the spraying assembly (2) is started, the water in the water tank (21) is pumped out and finally sprayed out through the plurality of nozzles (25), when the linkage rod (32) moves to the plurality of nozzles (25) and is blocked, the water flows out through the gap between the hollow rod (24) and the linkage rod (32) and falls on the conveying belt (7) to wash the sweet potato slices, when the linkage rod (32) moves to the plurality of nozzles (25) and leaks, under the action of the mutual attraction between the second magnet (35) and the first magnet (28), the nozzle (25) deflects to spray water to the cutting blade (62) for cooling the cutting blade (62); S3, the water falling in steps S2 is the water for washing the cutting blade (62) and the water leaking out of the surface holes of the conveying belt (7) into the starch slurry collecting tank (4) after washing the sweet potato slices, and both kinds of water contain rich starch, after the operation of the sweet potato in steps S1-S2 is completed, the sliding handle (54) is pulled to unfold the flexible plate (53), until the plurality of heating wires (55) covers the two starch slurry collecting tanks (4), and the sliding handle (54) is embedded in the notch on the slide rail (12), then power is supplied to the plurality of heating wires (55), the water in the starch slurry collecting tank (4) is dried, and finally the sweet potato starch slurry or sweet potato starch powder is obtained; S3a, pull the handles on the two starch slurry collecting tanks (4) to collect the sweet potato starch, and after the collection is completed, the starch slurry collecting tank (4) is put back. S4, start the water pump (22) and the slice assembly (6) idle operation for a period of time, cleaning the internal cutting blade (62) and the transmission belt (7), then the water after cleaning can also be through the starch slurry water collection box (4) back to the water tank (21) recycling.

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