CN211937891U - A multifunctional apple screening machine with self-cleaning and air-drying functions - Google Patents

Abstract

The utility model relates to a multifunctional apple screening machine with self-cleaning and air-drying functions, which belongs to the technical field of fruit screening machines. The utility model comprises that the feeding box is connected with the cleaning box through the first conveyor belt, the first motor is connected with the first conveyor belt, the cleaning box is connected with the apple sifting barrel through the second conveyor belt, the second motor is connected with the cleaning box, and the third motor is connected with the cleaning box. It is connected with the second conveyor belt, the fan box body is fixed above the second conveyor belt through the support frame, the fourth motor is connected with the screening barrel, the whole device is covered with a layer of rubber pads to prevent fruit damage, and the screening barrel is provided with vibration under the rubber pads A device that allows apples to be screened evenly. The utility model can realize the function of automatically cleaning and drying the apples and then automatically screening out the large, medium, small and unqualified apples, and has high production and processing efficiency, low comprehensive cost, and safety and reliability.

Description

A multifunctional apple screening machine with self-cleaning and air-drying functions

technical field

The utility model relates to a multifunctional apple screening machine with self-cleaning and air-drying functions, which belongs to the technical field of fruit screening machines.

Background technique

At present, for some areas that produce special fruits, such as Yunnan, which is rich in apples, the screening of apples in the initial processing of apples is all manual screening. Because apples have different sizes, the main purpose of manual labor is to separate apples with a certain size. Picking is not only a waste of time but also a waste of manpower, and it is easy to feel fatigued for a long time of manual operation. It is difficult to guarantee the quality when the screening workload is heavy, and it is easy to cause unnecessary damage to apples.

SUMMARY OF THE INVENTION

The technical problem to be solved by the utility model is to provide a multifunctional apple screening machine with its own cleaning and air-drying functions, which can quickly solve the problems of apple sorting and cleaning without causing unnecessary damage to the apples. Greatly improved productivity and cost savings.

The technical scheme adopted by the utility model is: a multifunctional apple screening machine with self-cleaning and air-drying functions, comprising a feeding box 3, a first transmission device 9, a cleaning box 11, a second transmission device 24, Apple sieving bucket 26;

The upper end of the feeding box 3 is provided with the feeding port 1 , the power box 37 is connected with the first motor 8 and is installed on the feeding box 3 , the right side of the feeding box 3 is in phase with the left side of the first transmission device 9 . Connection, the first transmission device 9 is connected with the first motor 8, the right side of the first transmission device 9 is connected with the cleaning box 11, the water pump 14 is installed above the cleaning box 11 and connected with the second motor 13, the second motor 13 and The power box 37 is connected, a cleaning box water outlet 191 is installed below the cleaning box 11, the cleaning box water outlet 191 is connected with the time relay I181, the lower right side of the cleaning box 11 is provided with a second transmission device outlet 192, the second transmission device outlet 192 is connected with the time relay II182, the water pump inlet 15 of the water pump 14 is connected with the time relay III183, the second transmission device outlet 192 is connected with the left side of the second transmission device 24, and an axial flow fan 21 is installed above the second transmission belt. , the third motor 23 is connected with the second transmission device 24 and fixed on the cleaning box 11, the third motor 23 is connected with the power supply box 37, the right side of the second transmission device 24 is connected with the apple screening barrel 26, the apple screening barrel 26 The left support frame 321 of the screening barrel and the right support frame 322 of the screening barrel are fixed. A driving wheel 271 is installed on the upper end of the left supporting frame 321 of the screening barrel. The driving wheel 271 is composed of two mutually perpendicular vertical gears and horizontal gears. The vertical gear in the middle is installed on the upper end of the left support frame 321 of the screening barrel and is connected to the fourth motor 33, the horizontal gear is installed at one end of the central axis of the apple screening barrel 26, and a driven wheel 272 is installed on the upper end of the right support frame 322 of the screening barrel. The driven wheel 272 is composed of two vertical gears and horizontal gears that are perpendicular to each other. The vertical gear in the driven gear 272 is installed on the upper end of the right support frame 322 of the screening barrel, and the horizontal gear is installed on the other end of the central axis of the apple screening barrel 26. The motor 33 is connected to the third motor 23 and is installed on the apple screening barrel 26 , and a small fruit outlet 34 , a medium fruit outlet 35 and a large fruit outlet 36 are respectively installed below the apple screening barrel 26 .

Preferably, all surfaces of the feeding box 3 , the first transmission device 9 , the cleaning box 11 , the second transmission device 24 , and the apple screening barrel 26 are installed with the feeding box rubber pads 2 .

Preferably, a first-level screen 4 is installed in the lower position of the feeding box 3, the screen 4 for defective products has several round holes with a diameter of four centimeters, and a rubber pad 2 is installed on the screen 4 for defective products. A vibration device is installed in the pad 2. The vibration device is composed of several spring sheets. There are two vibration devices below the defective screen 4. There are two vibration devices: the upper left feed box vibration device 51 and the upper right feed box vibration device 52. The lower part of the feed box 3 has two vibration devices. There are two baffles, the lower left feed box spring sheet 71 and the right lower feed box spring sheet 72 are arranged below the baffle, and the left and right defective product discharge ports 61 and 62 are installed on both sides of the feed box 3 Two defective apple collection ports.

Preferably, the upper left feed box vibration device 51 and the right upper feed box vibration device 52 are composed of several small spring sheets.

Preferably, a cleaning box driving wheel 38 is installed on the top of the cleaning box 11 , the cleaning box driving wheel 38 is composed of two mutually perpendicular vertical gears and a horizontal gear meshing, and the horizontal gear in the cleaning box driving wheel 38 is fixed on the cleaning box 11 and connected to the second motor 13, the vertical gear is fixed on the cleaning rod support frame 12, the cleaning rod support frame 12 is fixed with multiple groups of sponge cleaning rods 10, and a cleaning box filter 39 is installed in the middle and lower layers of the cleaning box 11.

Preferably, the cleaning rod support frame 12 includes a main support frame and a side support frame, the vertical gear in the driving wheel 38 of the cleaning box is fixed on the upper end of the main support frame, and the side support frame is connected to the right side of the main support frame.

Preferably, the axial flow fan 21 is installed in the fan case body 22, the fan case body 22 is fixed on the cleaning box 11 by the fan upper support frame 201 and the fan lower support frame 202, and a wind guide plate is installed in the fan case body 22 25.

Preferably, the small apple screening holes 29 , the medium apple screening holes 30 and the large apple screening holes 31 are evenly distributed on each surface of the apple screening barrel 26 . The screening round hole 29 is a round hole with a diameter of six centimeters, the medium apple screening round hole 30 is a nine centimeter round hole, the large apple screening round hole 31 is a twelve centimeter round hole, and the apple screening barrel 26 is in the driving wheel 271 Under the driving of the sieve, the rubber pad 2 is installed on each surface of the apple screening barrel 26, and a vibration device 28 is installed under the rubber pad 2, and the vibration device 28 is composed of several small spring sheets;

Preferably, the models of the first motor, the second motor, the third motor and the fourth motor are 220V 5IK60RGN-CF, and the models of all time relays are DH48S-S.

Specifically, the first transmission device 9 and the second transmission device 24 are conveyor belts.

The beneficial effects of the present utility model are:

1. High integration: the device has a simple structure;

2. Simple operation: only need to connect the power system to keep the working state, easy to operate, which is conducive to popularization and promotion.

3. Due to the addition of a cleaning device and an air-drying device, the time for multiple processing is reduced, the work efficiency is improved, time is saved, and the overall cost is low.

4. Since the screening barrel can be designed according to actual needs, the use of the modified device is more flexible and convenient.

Description of drawings

Figure 1 is a schematic diagram of the structure of the device.

Each label in the figure: feeding port 1, feeding box rubber pad 2, feeding box 3, defective product screening net 4, upper left feeding box vibrating device 51, upper right feeding box vibrating device 52, left defective product outlet 61, the right inferior product outlet 62, the lower left feed box spring piece 71, the lower right feed box spring piece 72, the first motor 8, the first transmission device 9, the cleaning rod 10, the cleaning box 11, the cleaning rod support frame 12, the second motor 13, the water pump 14, the water inlet of the water pump 15, the water outlet of the water pump 16, the rubber pad of the water tank 17, the time relay I181, the time relay II182, the time relay III183, the water outlet of the cleaning tank 191, the second conveyor belt outlet 192, the fan The upper support frame 201, the lower fan support frame 202, the axial flow fan 21, the fan box body 22, the third motor 23, the second transmission device 24, the wind deflector 25, the apple screening bucket 26, the driving wheel 271, the driven wheel 272, Vibration device 28, small apple sieving hole 29, medium apple sieving hole 30, large apple sieving hole 31, screening barrel left support frame 321, screening barrel right support frame 322, fourth motor 33, small fruit out Material port 34, medium fruit discharge port 35, large fruit discharge port 36, power box 37, cleaning box driving wheel 38, cleaning box filter 39.

Detailed ways

The present utility model will be further described below with reference to the accompanying drawings and specific embodiments.

Embodiment 1: As shown in Figure 1, a multifunctional apple screening machine with self-cleaning and air-drying functions includes a feeding box 3, a first transmission device 9, a cleaning box 11, a second transmission device 24, Apple sieving bucket 26;

The upper end of the feeding box 3 is provided with the feeding port 1, the power box 37 is connected with the first motor 8 through the universal power cord and is installed on the feeding box 3, and the right side of the feeding box 3 is connected to the first transmission device. 9 is connected to the left side, the first transmission device 9 is connected to the first motor 8 through a universal power cord, the right side of the first transmission device 9 is connected to the cleaning tank 11, and the water pump 14 is installed above the cleaning tank 11 and is connected to the The second motor 13 is connected, the second motor 13 is connected with the power box 37 through the universal power cord, a cleaning box water outlet 191 is installed under the cleaning box 11, the cleaning box water outlet 191 is connected with the time relay II182, and the lower part of the cleaning box 11 is connected The right side is provided with the second transmission device outlet 192, the second transmission device outlet 192 is connected with the time relay I181, the water pump inlet 15 of the water pump 14 is connected with the time relay III183 through the universal power cord, and the second transmission device outlet 192 is connected with the time relay I183. The left side of the two transmission devices 24 is connected, the axial fan 21 is installed above the second conveyor belt, the third motor 23 is connected with the second transmission device 24 and is fixed on the cleaning box 11, the right side of the second transmission device 24 is connected to the apple The screening barrels 26 are connected, and the apple screening barrel 26 is fixed by the left support frame 321 of the screening barrel and the right support frame 322 of the screening barrel. A driving wheel 271 is installed on the upper end of the left supporting frame 321 of the screening barrel. The gear is meshed with the horizontal gear. The vertical gear in the driving wheel 271 is installed on the upper end of the left support frame 321 of the screening barrel and is connected to the fourth motor 33. The horizontal gear is installed at one end of the central shaft of the apple screening barrel 26. The right support frame of the screening barrel A driven wheel 272 is installed on the upper end of the 322. The driven wheel 272 is composed of two mutually perpendicular vertical gears and a horizontal gear. The vertical gear in the driven wheel 272 is installed on the upper end of the right support frame 322 of the screening barrel, and the horizontal gear is installed on the apple screening. On the other end of the central rotating shaft of the barrel 26, the fourth motor 33 and the third motor 23 are connected and installed on the apple screening barrel 26, and the apple screening barrel 26 is respectively provided with a small fruit outlet 34, a medium fruit outlet 35 and Large fruit discharge port 36.

Further, all surfaces of the feeding box 3 , the first transmission device 9 , the cleaning box 11 , the second transmission device 24 , and the apple screening barrel 26 are installed with the feeding box rubber pads 2 . Since each device is equipped with rubber pads 2, the buffering effect ensures that the fruit is not damaged, and at the same time enhances the anti-corrosion properties of the feeding box 3, the cleaning box 11, and the apple screening barrel 26, and prolongs the feeding box 3 and the cleaning box. 11. The service life of apple screening bucket 26.

Further, a first-level screen 4 is installed in the lower position of the feed box 3, the defective screen 4 has several round holes with a diameter of four centimeters, and the defective screen 4 is provided with a rubber pad 2, and the rubber A vibration device is installed in the pad 2. The vibration device is composed of several spring sheets. There are two vibration devices below the defective screen 4. There are two vibration devices: the upper left feed box vibration device 51 and the upper right feed box vibration device 52. The lower part of the feed box 3 has two vibration devices. There are two baffles, the lower left feed box spring sheet 71 and the right lower feed box spring sheet 72 are arranged below the baffle, and the left and right defective product discharge ports 61 and 62 are installed on both sides of the feed box 3 Two defective apple collection ports. The defective screen 4 plays a role of screening out small apples. The upper left feeding box vibration device 51 and the upper right feeding box vibration device 52 play a role of superimposing the vibration devices on the defective screening screen 4. , to make Apple Filter more precise. The upper left feed box vibration device 51 and the right upper feed box vibration device 52 have a rebound effect on the apples falling from the top, and the same effect as the vibration device on the defective screen 4, but a superimposed effect, the lower left feed box After the spring sheet 71 and the spring sheet 72 of the lower right feeding box are defective products, it is felt that there is an apple pressed down by the spring, the baffle moves down, and leaks out of the outlet. The product discharge port 62 flows out.

Further, the upper left feed box vibration device 51 and the right upper feed box vibration device 52 are composed of several small spring sheets.

Further, a cleaning box driving wheel 38 is installed on the top of the cleaning box 11 , the cleaning box driving wheel 38 is composed of two mutually perpendicular vertical gears and a horizontal gear meshing, and the horizontal gear in the cleaning box driving wheel 38 is fixed on the cleaning box. 11 and connected to the second motor 13, the vertical gear is fixed on the cleaning rod support frame 12, the cleaning rod support frame 12 is fixed with multiple groups of sponge cleaning rods 10, and a layer of cleaning box filter 39 is installed in the middle and lower layers of the cleaning box 11.

Further, the cleaning rod support frame 12 includes a main support frame and a side support frame, the vertical gear in the driving wheel 38 of the cleaning box is fixed on the upper end of the main support frame, and the side support frame is connected to one side of the main support frame.

Further, the axial flow fan 21 is installed in the fan case body 22, the fan case body 22 is fixed on the cleaning box 11 by the fan upper support frame 201 and the fan lower support frame 202, and a wind guide plate is installed in the fan case body 22. 25.

Further, there are three round holes of different sizes among the small apple screening holes 29, the medium apple screening round holes 30 and the large apple screening round holes 31 evenly distributed on each surface of the apple screening barrel 26, and the apple screening barrel 26 The material is a stainless steel cylinder, of which the small apple screening hole 29 is a round hole with a diameter of six centimeters, the medium apple screening round hole 30 is a nine centimeter round hole, and the large apple screening round hole 31 is a twelve centimeter round hole Composition, the apple screening barrel 26 is continuously rotated under the driving of the driving wheel 271, rubber pads 2 are installed on each surface of the apple screening barrel 26, a vibration device 28 is installed under the rubber pad 2, and the vibration device 28 is composed of several small The composition of the spring plate;

Further, the models of the first motor 8, the second motor 13, the third motor 23 and the fourth motor 33 are 220V 5IK60RGN-CF, and the models of all time relays are DH48S-S.

Further, the first transmission device 9 and the second transmission device 24 are conveyor belts.

Further, the feeding box 3, the cleaning box 11, and the screen 4 for defective products are all composed of stainless steel sheets, and the screen 39 is woven from thin ropes.

The working principle of the present utility model is as follows: the schematic diagram of the device structure of the present utility model is shown in Figure 1. When the apples are put into the feeding box 3 from the feeding port 1, they first pass through the defective product screening net 4 in the feeding box 3. Qualified apples are screened out. Since a layer of rubber pad 2 is attached to the defective screen 4, the apples will not be damaged. A vibration device is installed under the rubber pad 2, which can completely screen out the unqualified apples through continuous up and down vibration. , the unqualified apples fall into the baffle after passing through the defective screen 4. There are two spring devices 71 and 72 installed under the baffle. When there are apples on the baffle, the baffle presses the spring, and the baffle moves downwards. Qualified apples flow out from the left inferior product outlet 61 and the right inferior product outlet 62 and are collected, and the qualified apples enter the cleaning box 11 through the first conveying device 9 for cleaning. When the qualified apples enter the cleaning box 11 through the transmission device, connect the water inlet 15 of the water pump to the water pipe, and the time relay III183 of the water inlet of the water pump starts to be in an open state, providing clean tap water, and automatically shuts down when the set time is reached, and the cleaning box 11 The cleaning rod 10 inside will rotate continuously driven by the driving wheel 38 to automatically clean the apples entering the cleaning box 11. When the set time value is reached, the cleaning box time relay I181 automatically turns on the water outlet switch of the cleaning box. The water flows out of the cleaning box 11 through the cleaning box filter 39. When the water runs dry, the time relay I181 of the water outlet of the cleaning box automatically closes the switch of the water outlet of the cleaning box, and at the same time, the time relay II182 of the outlet of the cleaning box is turned on, so that the cleaned apples can be discharged from the second one. The transmission device 24 is transported into the apple sieving bucket 26. After the preset time is reached, the cleaning box time relay II182 is automatically turned off, and the water pump water inlet time relay III183 starts to work again, and this cycle is repeated. When the cleaned apples are conveyed from the conveyor belt of the second conveying device 24, the axial fan 21 above the second conveying device 24 emits cold air, and the passing apples are continuously dried through the air deflector 25, so that they enter the apple screening. Apples in bucket 26 dry quickly. When the apples enter the apple screening barrel 26, there are three round holes of different sizes on the apple screening barrel 26, which correspond to the small apple screening round hole 29, the medium apple screening round hole 30, the large apple screening round hole 31, and the apple screening round hole 31. A rubber pad 2 is installed on the inner surface of the barrel 26, and a vibration device 28 is installed under the rubber pad 2. At the same time, the apple screening barrel 26 is driven by the fourth motor 33 to drive the driving wheel 271 and the driven wheel 272 to rotate at a constant speed, so that the apples can be accurately and quickly screened out. , the first screening is the small fruit with a diameter of 6 cm and below, the small fruit falls into the small fruit outlet 34 through the round hole for collection, and the apple that cannot pass through the small fruit round hole will be sent to the small fruit due to the action of the vibration device 28. After the movement, when it falls into the medium fruit discharge port 35 through a circular hole with a diameter of 9 cm and below for collection, it is a medium fruit. Similarly, when a large fruit falls into the large fruit through a circular hole with a diameter of 12 cm and below Large fruits are collected in the discharge port 36. The diameter of the round holes at the apple screening barrel 26 can be changed according to actual needs, and the apple screening barrel 26 can be quickly and manually replaced.

The utility model adopts a multifunctional apple screening machine with self-cleaning and air-drying functions to replace manual operation, and also newly adds the functions of cleaning and air-drying, the working process is relatively simple and practical, and only the apples are put into the feeding box 3 In the process, the defective fruits are initially screened out, and then transferred to the cleaning box 11 by the conveying device to clean the apples. After cleaning, the apples are conveyed by the conveying device to the apple screening bucket 26 for careful classification of large, medium and small apples. At the same time, the apple can also be air-dried during the transmission process, the whole process will not cause damage to the apple, and the speed is fast and the quality is high, which greatly saves time and labor costs.

The specific embodiments of the present utility model have been described in detail above with reference to the drawings, but the present utility model is not limited to the above-mentioned embodiments, and within the knowledge scope possessed by those of ordinary skill in the art, the present utility model can also be used without departing from the purpose of the present utility model. make various changes.

Claims (10)

1. A multifunctional apple screening machine with self-cleaning and air-drying functions, characterized in that: comprising a feeding box (3), a first transmission device (9), a cleaning box (11), a second transmission device connected in sequence (24), apple screening bucket (26); The upper end of the feeding box (3) is provided with a feeding port (1), the power box (37) is connected with the first motor (8) and is installed on the feeding box (3), and the feeding box (3) ) right side is connected with the left side of the first transmission device (9), the first transmission device (9) is connected with the first motor (8), and the right side of the first transmission device (9) is connected with the cleaning box (11), The water pump (14) is installed above the cleaning box (11) and is connected with the second motor (13), the second motor (13) is connected with the power supply box (37), and a cleaning box is installed under the cleaning box (11). The water outlet (191), the water outlet (191) of the cleaning box and the time relay I (181) are connected, and the lower right side of the cleaning box (11) is provided with a second transmission device outlet (192), the second transmission device outlet (192) and time The relay II (182) is connected, the water pump inlet (15) of the water pump (14) is connected with the time relay III (183), the second transmission device outlet (192) is connected with the left side of the second transmission device (24), An axial flow fan (21) is installed above the second conveyor belt, the third motor (23) is connected to the second conveyor (24) and is fixed on the cleaning box (11), and the right side of the second conveyor (24) is connected to the cleaning box (11). The apple screening barrel (26) is connected, the apple screening barrel (26) is fixed by the left support frame (321) of the screening barrel and the right support frame (322) of the screening barrel, and a driving wheel (271) is installed on the upper end of the left support frame (321) of the screening barrel ), the driving wheel (271) is composed of two mutually perpendicular vertical gears and a horizontal gear meshing, and the vertical gear in the driving wheel (271) is installed on the upper end of the left support frame (321) of the screening barrel and is connected with the fourth motor (33). ) connection, the horizontal gear is installed at one end of the central axis of the apple screening barrel (26), and a driven wheel (272) is installed on the upper end of the right support frame (322) of the screening barrel. The driven wheel (272) consists of two vertical gears and The horizontal gear is meshed, the vertical gear in the driven wheel (272) is installed on the upper end of the right support frame (322) of the screening barrel, the horizontal gear is installed on the other end of the central rotating shaft of the apple screening barrel (26), the fourth motor (33) and The third motor (23) is connected and installed on the apple screening barrel (26), and the small fruit outlet (34), the medium fruit outlet (35) and the large fruit outlet (35) are respectively installed under the apple screening barrel (26). Feed opening (36). 2. The multifunctional apple screening machine with self-cleaning and air-drying functions according to claim 1, characterized in that: the feeding box (3), the first transmission device (9), the cleaning box (11) , the second transmission device (24) and the apple sieving barrel (26) are provided with rubber pads (2) on all surfaces. 3. A kind of multifunctional apple screening machine with self-cleaning and air-drying functions according to claim 1 or 2, characterized in that: a layer of product screening net (4) is installed in the middle and lower positions of the feeding box (3) , There are several round holes with a diameter of four centimeters on the defective screen (4), a rubber pad (2) is installed on the defective screen (4), and a vibration device is installed in the rubber pad (2). It is composed of several spring sheets. There are two vibration devices below the defective product screening screen (4), the upper left feed box vibration device (51) and the right upper feed box vibration device (52). Two blocks are placed at the lower part of the feed box (3). The bottom of the baffle is provided with a left lower feed box spring piece (71) and a right lower feed box spring piece (72), and a left inferior product outlet (61) and a right secondary product outlet are installed on both sides of the feed box (3). The product discharge port (62) has two defective apple collection ports. 4. The multifunctional apple sifting machine with self-cleaning and air-drying functions according to claim 3, characterized in that: the upper left feeding box vibration device (51) and the upper right feeding box vibration device (52) are composed of It consists of several small spring sheets. 5. The multifunctional apple screening machine with self-cleaning and air-drying functions according to claim 1 or 2, characterized in that: a cleaning box driving wheel (38) is installed on the top of the cleaning box (11), and the cleaning box The driving wheel (38) is composed of two mutually perpendicular vertical gears and a horizontal gear engaged with each other. The horizontal gear in the driving wheel (38) of the cleaning box is fixed on the cleaning box (11) and is connected with the second motor (13), and the vertical gear (38) is fixed on the cleaning box (11). The spur gear is fixed on the cleaning rod support frame (12), a plurality of groups of sponge cleaning rods (10) are fixed on the cleaning rod support frame (12), and a cleaning box filter screen (39) is installed in the middle and lower layers of the cleaning box (11). 6. The multifunctional apple screening machine with self-cleaning and air-drying functions according to claim 5, characterized in that: the cleaning rod support frame (12) comprises a main support frame and a side support frame, and a cleaning box driving wheel The vertical gear in (38) is fixed on the upper end of the main support frame, and the side support frame is connected to the right side of the main support frame. 7. The multifunctional apple screening machine with self-cleaning and air-drying functions according to claim 1 or 2, wherein the axial flow fan (21) is installed in the fan box body (22), and the fan box The body (22) is fixed on the cleaning box (11) by an upper fan support frame (201) and a fan lower support frame (202), and an air guide plate (25) is installed in the fan cabinet body (22). 8. The multifunctional apple screening machine with self-cleaning and air-drying functions according to claim 1 or 2, characterized in that: small apple screening round holes are evenly distributed on each surface in the apple screening barrel (26). (29), the medium-sized apple screening round hole (30) and the large apple screening round hole (31) are round holes of different sizes, wherein the small apple screening round hole (29) is a round hole with a diameter of six centimeters, The medium-sized apple sifting hole (30) is a 9-centimeter round hole, the large apple sifting hole (31) is a 12-centimeter round hole, and the apple sifting barrel (26) is driven by the driving wheel (271) without stopping. The apple sifting barrel (26) is provided with rubber pads (2) on each surface, a vibration device (28) is installed under the rubber pad (2), and the vibration device (28) is composed of several small spring sheets. 9. The multifunctional apple screening machine with self-cleaning and air-drying functions according to claim 1 or 2, characterized in that: the first motor (8), the second motor (13), the third motor ( 23) and the fourth motor (33) are 220V5IK60RGN-CF, and all time relays are DH48S-S. 10. A multifunctional apple sorting machine with self-cleaning and air-drying functions according to claim 1 or 2, characterized in that: the first transmission device (9) and the second transmission device (24) are conveyor belts.

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