CN221537219U - Vegetable and fruit screening structure - Google Patents

Abstract

The utility model discloses a vegetable and fruit screening structure which aims at providing a vegetable and fruit screening structure beneficial to improving cleanliness, and the vegetable and fruit screening structure comprises a frame, a screening machine and a collecting frame, wherein the screening machine is detachably connected with the frame, a feed inlet and a discharge outlet are formed in the screening machine, the collecting frame is positioned at the discharge outlet, a spray pipe is arranged in the screening machine, one end of the spray pipe is positioned in the screening machine, the other end of the spray pipe penetrates through the feed inlet and is positioned outside the screening machine, one end of the spray pipe positioned outside the screening machine is a water inlet end and is detachably connected with the frame, a plurality of uniformly distributed spray openings and a plurality of groups of uniformly distributed soft hair brushes are formed in the outer side wall of the spray pipe, the spray openings and the soft hair brushes are all positioned in the screening machine, a water outlet is formed in the collecting frame, the screening machine comprises a shell and a screening inner barrel, the shell is detachably connected with the frame, and the screening inner barrel is positioned in the shell and is rotationally connected with the shell. The beneficial effects of the utility model are as follows: the combination of spray water and a soft brush is beneficial to improving the cleanliness.

Description

Vegetable and fruit screening structure

Technical Field

The utility model relates to the technical field of vegetable and fruit screening, in particular to a vegetable and fruit screening structure.

Background

Vegetable and fruit need sieve it before selling to the vegetable and fruit of different grades is sieved according to the size grade, and in this process, in order to improve screening efficiency, often need to use screening equipment.

Because the surface often accompanies the dust after the vegetables and fruits are picked, still have mud dirt and spot etc. even, to this, among the prior art, often can add washing mechanism in the screening facilities, wash through rivers and improve the cleanliness of vegetables and fruits, but to the vegetables and fruits that have mud dirt and spot, only wash vegetables and fruits through the rivers, the cleanliness is not high.

Disclosure of utility model

The utility model provides a vegetable and fruit screening structure which is beneficial to improving the cleanliness and aims to overcome the defect that the cleanliness of screening equipment on vegetables and fruits is not high in the prior art.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The utility model provides a vegetables and fruits screening structure, it includes frame, sieve separator and collection frame, the sieve separator can be dismantled with the frame and be connected, be equipped with feed inlet and discharge gate on the sieve separator, it is located discharge gate department to collect the frame, be equipped with the shower in the sieve separator, the one end of shower is located the sieve separator, the other end of shower runs through behind the feed inlet and is located outside the sieve separator, the shower is located the one end outside the sieve separator and can dismantle with the frame and be connected for the inlet end, be equipped with a plurality of evenly distributed's spray gate and a plurality of group evenly distributed's soft brush on the lateral wall of shower, spray gate and soft brush all are located the sieve separator, be equipped with the outlet on the collection frame, the sieve separator includes shell and screening inner tube, the shell can be dismantled with the frame and be connected, the screening inner tube is located the shell and rotates with the shell and be connected.

The utility model provides a screening machine, the screening machine can be dismantled with the frame and be connected, be equipped with feed inlet and discharge gate on the screening machine, it is located discharge gate department to collect the frame, be equipped with the shower in the screening machine, the one end of shower is located the screening machine, the other end of shower is located outside the screening machine after running through the feed inlet, the shower is located the one end outside the screening machine and is water inlet and can dismantle with the frame and be connected, be equipped with a plurality of evenly distributed's shower mouth and a plurality of group evenly distributed's soft brush on the lateral wall of shower, shower mouth and soft brush all are located the screening machine, be equipped with the outlet on the collection frame, the screening machine includes shell and screening inner tube, the shell can be dismantled with the frame and be connected, the screening inner tube is located the shell and rotates with the shell and be connected. Vegetables and fruits enter into the sieve separator in proper order through the feed inlet and carry out the screening, and vegetables and fruits are in the motion in-process, and the shower sprays high-pressure water dust removal and the soft brush is favorable to brushing out mud dirt and the spot on vegetables and fruits surface, and the vegetables and fruits after the sieve separator screening drop to collect in the corresponding region of collection frame from the discharge gate at last, have reached the purpose that does benefit to the cleanliness.

Preferably, the spraying opening and the soft brush are both positioned in the screening inner cylinder, the feeding opening is positioned at one end of the screening inner cylinder, the other end of the screening inner cylinder is closed, one end of the spraying pipe is positioned in the screening inner cylinder, the other end of the spraying pipe penetrates through the feeding opening and then is positioned outside the screening inner cylinder, a plurality of screening areas are arranged on the side wall of the screening inner cylinder, the plurality of screening areas are sequentially distributed from one end of the screening inner cylinder to the other end of the screening inner cylinder, a plurality of rectangular screening openings uniformly distributed along the circumferential direction of the screening areas are arranged on the screening areas, the circumferential width of the screening openings corresponding to the plurality of screening areas is gradually increased from one end of the screening inner cylinder to the other end of the screening inner cylinder, a spiral stop block is fixed on the inner side wall of the screening inner cylinder, one end of the spiral stop block is positioned in the feeding opening, the other end of the spiral stop block is positioned in the other end of the screening inner cylinder, and the discharging opening is positioned at the bottom side of the shell and corresponds to the plurality of screening areas respectively. The screening inner cylinder rotates at a constant speed, vegetables and fruits enter the screening inner cylinder through the feeding hole and sequentially advance along the spiral direction under the action of the spiral stop block, in the advancing process, the spraying pipe sprays high-pressure water to remove dust on the surfaces of the vegetables and fruits, meanwhile, the soft brush is beneficial to brushing dirt and stains on the surfaces of the vegetables and fruits, and finally, the vegetables and fruits fall into the collecting frame from the screening holes on the corresponding screening areas; the screening inner cylinder rotates at a constant speed and combines with the design of the spiral stop block, so that vegetables and fruits can roll and sequentially advance in sequence after entering the screening inner cylinder, the contact area between the surfaces of the vegetables and fruits and water flow and a soft brush is increased, and the cleanliness of the surfaces of the vegetables and fruits is further improved; meanwhile, the rectangular screen openings are beneficial to the passage of circular vegetables and fruits and the passage of long-strip vegetables and fruits, so that the application range is wide; the circumferential width of the screening openings corresponding to the screening areas gradually increases from one end of the screening inner cylinder to the other end of the screening inner cylinder, so that vegetables and fruits with a plurality of grades can be conveniently screened out.

Preferably, one end of the shell corresponds to the feeding hole, a protective cover is arranged at the other end of the shell and fixedly connected with the shell, a first motor is arranged in the protective cover and detachably connected with the protective cover, the output end of the first motor is fixedly connected with the center of one closed end of the screening inner cylinder, and the screening inner cylinder is rotationally connected with the shell under the driving of the first motor. The screening inner cylinder is controlled by the first motor, so that uniform rotation of the screening inner cylinder is facilitated; meanwhile, the motor I is arranged in the protective cover, so that a better protective effect is achieved on the motor I.

Preferably, the spraying ports and the soft brushes are corresponding to the discharging ports, the spraying ports are uniformly distributed along the length direction of the spraying pipe, and the soft brushes are uniformly distributed along the length direction of the spraying pipe. The spray opening is only arranged at the position corresponding to the discharge opening, so that on one hand, the sprayed water flow can directly enter the collecting frame and is discharged through the water outlet, and the splashing is prevented; on the other hand, the inner barrel is convenient for flushing and screening vegetables and fruits, and the water pressure in the spray pipe is improved, so that the cleanliness is improved.

Preferably, the water inlet end of the spray pipe is provided with an adapter, one end of the adapter is in sealing rotation connection with the spray pipe, the other end of the adapter is provided with a water inlet pipe, the water inlet pipe is in detachable fixed connection with the adapter, the water inlet pipe is in fixed connection with the frame, and one end of the spray pipe, which is positioned in the screening inner cylinder, is in rotation connection with one end of the screening inner cylinder, which is sealed. The design is favorable to guaranteeing the parallelism between shower and the screening inner tube, and is favorable to improving the joint strength when the shower rotates.

Preferably, the shell is provided with a motor II, the motor II is detachably connected with the top of the shell and corresponds to the feeding hole, the output end of the motor II is provided with a swinging rod, one end of the swinging rod is fixedly connected with the output end of the motor II, the other end of the swinging rod is positioned in the feeding hole and is fixedly provided with a gear I, the outer side wall of one end of the spray pipe positioned outside the screening inner cylinder is provided with a plurality of tooth blocks meshed with the gear I, the tooth blocks are uniformly distributed along the circumferential direction of the spray pipe, and the spray pipe is respectively connected with the adapter and the screening inner cylinder in a rotating manner under the driving of the motor II. The spraying pipe is driven by the motor II to swing at a uniform speed left and right in a certain angle range through the meshing of the gear I and the gear block, so that the flushing area of water flow and the brushing area of the soft brush are improved, and the cleaning degree of the surfaces of vegetables and fruits is further improved.

Preferably, the left side and the right side of one end bottom of the shell are both provided with connecting rods, one end of each connecting rod is detachably and fixedly connected with the end part of the shell, the other end of each connecting rod is provided with a second gear meshed with a plurality of tooth blocks, and the second gear is positioned in the feed inlet and is rotationally connected with the connecting rods. The triangular support for the spray pipe is formed between the swing rod and the two connecting rods, so that the structural stability of the spray pipe is further improved; and the first gear and the second gear are meshed with the plurality of tooth blocks, so that independent rotation of the screening inner cylinder and the spray pipe is not influenced.

Preferably, the collecting frame comprises a frame, the top of frame is equipped with a plurality of material frame with screening district one-to-one, the material frame is connected with the frame is dismantled, the bottom of material frame is equipped with a plurality of evenly distributed's water hole, the bottom of frame is equipped with the basin that is linked together with the water hole, the material frame is located the top of basin, the outlet is located the bottom of basin, outlet department is equipped with filter screen and three-way valve, the filter screen can dismantle with the outlet and be connected and be located the basin, the bottom of basin is equipped with the mounting groove with three-way valve assorted outward, one side of mounting groove is equipped with the delivery port, the wet return is installed to the opposite side of mounting groove, be equipped with the water return pump on the wet return, the outlet is linked together with wet return and delivery port respectively through the three-way valve, the one end and the three-way valve of wet return are connected, the other end of wet return is linked together with the inlet tube after running through the lateral wall of mounting groove. Vegetable and fruit in the corresponding screening area enter the corresponding material frame after passing through the screening opening, flushing water enters the water tank after passing through the water passing holes, then is filtered by the filter screen and then is discharged outside through the water outlet or enters the water return pipe through the control of the three-way valve, and enters the water inlet pipe through the water return pipe for recycling under the action of the water return pump, thereby being beneficial to saving water resources.

Preferably, one side of the water tank is close to the feed inlet, the other corresponding side of the water tank is far away from the feed inlet, the water outlet is positioned on one side of the water tank close to the feed inlet, and the bottom of the water tank gradually inclines downwards from one side of the water tank far away from the feed inlet to one side of the water tank close to the feed inlet. The design is favorable for diversion of water in the water tank and prevents water accumulation in the water tank.

The beneficial effects of the utility model are as follows: the combination of the spray water and the soft brush is beneficial to improving the cleanliness; the screening inner cylinder rotates at a constant speed and combines with the design of the spiral stop block, so that vegetables and fruits can roll and sequentially advance in sequence after entering the screening inner cylinder, the contact area between the surfaces of the vegetables and fruits and water flow and a soft brush is increased, and the cleanliness of the surfaces of the vegetables and fruits is further improved; the rectangular screen openings are beneficial to the passage of circular vegetables and fruits and the passage of long-strip vegetables and fruits, so that the application range is wide; the spray opening is only arranged at the position corresponding to the discharge opening, so that on one hand, the sprayed water flow can directly enter the collecting frame and is discharged through the water outlet, and the splashing is prevented; on the other hand, the vegetable and fruit in the inner barrel can be conveniently washed and screened, and the water pressure in the spray pipe can be improved, so that the cleanliness can be improved; the connection strength of the spray pipe during rotation is improved; the spraying pipe is driven by the motor II to swing at a left and right uniform speed in a certain angle range through the meshing of the gear I and the gear block, so that the flushing area of water flow and the brushing area of the soft brush are improved, and the cleaning degree of the surfaces of vegetables and fruits is further improved; the triangular support for the spray pipe is formed between the swing rod and the two connecting rods, so that the structural stability of the spray pipe is further improved; the first gear and the second gear are meshed with the plurality of tooth blocks, so that independent rotation of the screening inner cylinder and the spray pipe is not influenced; is beneficial to saving water resources.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of the present utility model;

FIG. 3 is a left side view of FIG. 1;

FIGS. 4 and 5 are schematic structural views of the inner drum;

Fig. 6 is an enlarged view of the structure at a in fig. 2.

In the figure: 1. the device comprises a frame, a screening machine, a three-way valve, a collecting frame, a feeding hole, a discharging hole, a spraying pipe, a spraying hole, a soft brush, a water outlet, a shell, a screening inner cylinder, a screening area, a screening opening, a spiral stop block, a protective cover, a motor I and a motor II, wherein the screening machine, the three-way valve, the collecting frame, the feeding hole, the discharging hole, the spraying pipe, the spraying hole, the soft brush, the water outlet, the shell, the screening inner cylinder, the screening area, the screening opening and the spiral stop block are respectively arranged in sequence, the protective cover and the motor I, 18, adapter, 19, water inlet pipe, 20, motor two, 21, swing rod, 22, gear one, 23, tooth block, 24, connecting rod, 25, gear two, 26, mounting groove, 27, water outlet, 28, water return pipe, 29, water return pump, 30, frame, 31, material frame, 32, water through hole, 33, water tank, 34, filter screen.

Detailed Description

The utility model is further described below with reference to the drawings and detailed description.

In the embodiment described in fig. 1 and 2, a vegetables and fruits screening structure, it includes frame 1, sieve separator 2 and collection frame 4, sieve separator 2 is connected with frame 1 can be dismantled, be equipped with feed inlet 5 and discharge gate 6 on the sieve separator 2, collection frame 4 is located discharge gate 6 department, be equipped with shower 7 in the sieve separator 2, the one end of shower 7 is located sieve separator 2 after the other end runs through feed inlet 5, the one end that shower 7 is located sieve separator 2 is the water inlet and can dismantle with frame 1 and be connected, be equipped with a plurality of evenly distributed's spray inlet 8 and a plurality of evenly distributed's soft brush 9 on the lateral wall of shower 7, spray inlet 8 and soft brush 9 all are located sieve separator 2, be equipped with outlet 10 on the collection frame 4, sieve separator 2 includes shell 11 and screening inner tube 12, shell 11 is connected with frame 1 can be dismantled, screening inner tube 12 is located shell 11 and rotates with shell 11 and is connected.

As shown in fig. 2, fig. 3, fig. 4 and fig. 5, spray opening 8 and soft brush 9 are all located screening inner tube 12, feed inlet 5 is located screening inner tube 12's one end, screening inner tube 12's the other end is sealed, shower 7's one end is located screening inner tube 12, shower 7's the other end is located screening inner tube 12 after running through feed inlet 5, be equipped with a plurality of screening district 13 on screening inner tube 12's the lateral wall, a plurality of screening district 13 distributes in proper order along screening inner tube 12's one end to its confined other end, be equipped with a plurality of evenly distributed's rectangle screen opening 14 along its circumference on the screening district 13, the screen opening 14 circumferential width that a plurality of screening district 13 corresponds increases gradually along screening inner tube 12's one end to its confined other end, be fixed with spiral dog 15 on screening inner tube 12's the inside wall, spiral dog 15's one end is located feed inlet 5, spiral dog 15's the other end is located screening inner tube 12's the other end, discharge gate 6 is located shell 11's bottom side and corresponds with a plurality of screening district 13 respectively.

As shown in fig. 1 and 2, one end of the housing 11 corresponds to the feed inlet 5, the other end of the housing 11 is provided with a protective cover 16, the protective cover 16 is fixedly connected with the housing 11, a first motor 17 is arranged in the protective cover 16, the first motor 17 is detachably connected with the protective cover 16, an output end 27 of the first motor 17 is fixedly connected with the center of one closed end of the screening inner cylinder 12, and the screening inner cylinder 12 is rotationally connected with the housing 11 under the driving of the first motor 17.

As shown in fig. 2, the spray openings 8 and the soft brushes 9 are corresponding to the discharge openings 6, the spray openings 8 are uniformly distributed along the length direction of the spray pipe 7, and the soft brushes 9 are uniformly distributed along the length direction of the spray pipe 7.

As shown in fig. 1, 2 and 3, an adapter 18 is arranged at the water inlet end of the spray pipe 7, one end of the adapter 18 is in sealed rotation connection with the spray pipe 7, a water inlet pipe 19 is arranged at the other end of the adapter 18, the water inlet pipe 19 is detachably and fixedly connected with the adapter 18, the water inlet pipe 19 is fixedly connected with the frame 1, and one end of the spray pipe 7 positioned in the screening inner cylinder 12 is in rotation connection with one closed end of the screening inner cylinder 12.

As shown in fig. 1, fig. 2 and fig. 3, a second motor 20 is arranged on the housing 11, the second motor 20 is detachably connected with the top of the housing 11 and corresponds to the feeding hole 5, a swing rod 21 is arranged on an output end 27 of the second motor 20, one end of the swing rod 21 is fixedly connected with the output end 27 of the second motor 20, the other end of the second swing rod 21 is positioned in the feeding hole 5 and is fixedly provided with a first gear 22, a plurality of tooth blocks 23 meshed with the first gear 22 are arranged on the outer side wall of one end of the spray pipe 7 positioned outside the screening inner barrel 12, the tooth blocks 23 are uniformly distributed along the circumferential direction of the spray pipe 7, and the spray pipe 7 is respectively in rotary connection with the adapter 18 and the screening inner barrel 12 under the driving of the second motor 20.

As shown in fig. 3, connecting rods 24 are respectively arranged at the left side and the right side of the bottom of one end of the shell 11, one end of each connecting rod 24 is detachably and fixedly connected with the end part of the shell 11, a second gear 25 meshed with a plurality of tooth blocks 23 is arranged at the other end of each connecting rod 24, and the second gear 25 is positioned in the feed inlet 5 and is rotatably connected with the connecting rod 24.

As shown in fig. 1, 2 and 6, the collecting frame 4 comprises a frame 30, a plurality of material frames 31 corresponding to the screening areas 13 one by one are arranged at the top of the frame 30, the material frames 31 are detachably connected with the frame 30, a plurality of water passing holes 32 which are uniformly distributed are arranged at the bottom of the material frames 31, a water tank 33 which is communicated with the water passing holes 32 is arranged at the bottom of the frame 30, the material frames 31 are positioned at the top of the water tank 33, a water outlet 10 is positioned at the bottom of the water tank 33, a filter screen 34 and a three-way valve 3 are arranged at the water outlet 10, the filter screen 34 is detachably connected with the water outlet 10 and positioned in the water tank 33, a mounting groove 26 matched with the three-way valve 3 is arranged outside the bottom of the water tank 33, a water outlet 27 is arranged at one side of the mounting groove 26, a water return pipe 28 is arranged at the other side of the mounting groove 26, a water return pipe 29 is arranged on the water return pipe 28, the water outlet 10 is respectively communicated with the water return pipe 28 and the water outlet 27 through the three-way valve 3, one end of the water return pipe 28 is connected with the three-way valve 3, and the other end of the water return pipe 28 is communicated with the water inlet pipe 19 after penetrating through the side wall of the mounting groove 26.

As shown in fig. 2, one side of the water tank 33 is close to the feed port 5, the other side of the water tank 33 is away from the feed port 5, and the water discharge port 10 is located at one side of the water tank 33 close to the feed port 5, and the bottom of the water tank 33 is gradually inclined downward from one side thereof away from the feed port 5 to one side thereof close to the feed port 5.

The first motor 17 controls the screening inner cylinder 12 to rotate at a constant speed, meanwhile, water flow is introduced into the spray pipe 7 in a pumping mode, and the second motor 20 drives the spray pipe 7 to swing at a left and right constant speed within a certain angle range through meshing of a first gear 22 and a plurality of tooth blocks 23 on the swing rod 21; the vegetables and fruits enter the screening inner cylinder 12 through the feeding hole 5 and sequentially advance along the spiral direction under the action of the spiral stop block 15, in the advancing process, the spraying pipe 7 sprays high-pressure water to remove dust on the surfaces of the vegetables and fruits, meanwhile, the soft brush 9 brushes to remove dirt and stains on the surfaces of the vegetables and fruits, and finally, the vegetables and fruits fall into the corresponding material frames 31 from the screening holes 14 on the corresponding screening areas 13; the washed water enters the water tank 33 after passing through the water passing holes 32 on the material frame 31, is filtered by the filter screen 34 and then is discharged outside through the water outlet 27 or enters the water return pipe 28 under the control of the three-way valve 3, and is recycled after entering the water inlet pipe 19 through the water return pipe 28 under the action of the water return pump 29.

Claims (9)

1. The utility model provides a vegetables and fruits screening structure, characterized by, including frame (1), sieve separator (2) and collection frame (4), sieve separator (2) can dismantle with frame (1) and be connected, be equipped with feed inlet (5) and discharge gate (6) on sieve separator (2), collection frame (4) are located discharge gate (6) department, be equipped with shower (7) in sieve separator (2), one end of shower (7) is located sieve separator (2), the other end of shower (7) runs through behind feed inlet (5) and is located outside sieve separator (2), one end that shower (7) is located outside sieve separator (2) is water inlet and can dismantle with frame (1) and be connected, be equipped with a plurality of evenly distributed's shower mouth (8) and a plurality of group of evenly distributed's soft brush (9) on the lateral wall of shower (7), shower mouth (8) and soft brush (9) all are located sieve separator inner tube (2), be equipped with on collecting frame (4) and run through behind feed inlet (5) and be located outside sieve separator (2), shell (11) can dismantle with frame (11), the screening inner cylinder (12) is positioned in the shell (11) and is rotationally connected with the shell (11).

2. The vegetable and fruit screening structure according to claim 1, wherein the spraying ports (8) and the soft brush (9) are all located in the screening inner cylinder (12), the feeding ports (5) are located at one end of the screening inner cylinder (12), the other end of the screening inner cylinder (12) is closed, one end of the spraying pipe (7) is located in the screening inner cylinder (12), the other end of the spraying pipe (7) penetrates through the feeding ports (5) and is located outside the screening inner cylinder (12), a plurality of screening areas (13) are arranged on the side wall of the screening inner cylinder (12), the plurality of screening areas (13) are sequentially distributed from one end of the screening inner cylinder (12) to the other end of the screening inner cylinder, a plurality of rectangular screening ports (14) which are evenly distributed along the circumferential direction of the screening areas (13) are arranged on the screening areas, the circumferential width of the screening inner cylinder (14) is gradually increased from one end of the screening inner cylinder (12) to the other end of the screening inner cylinder, a stop block (15) is fixed on the inner side wall of the screening inner cylinder (12), one end of the spiral stop (15) is located in the inner cylinder (12), and the other end of the spiral stop block (15) is located on the other end of the screening inner cylinder (12) and is located on the corresponding side of the screening inner cylinder (12).

3. The vegetable and fruit screening structure according to claim 2, wherein one end of the housing (11) corresponds to the feed inlet (5), a protective cover (16) is arranged at the other end of the housing (11), the protective cover (16) is fixedly connected with the housing (11), a motor I (17) is arranged in the protective cover (16), the motor I (17) is detachably connected with the protective cover (16), the output end of the motor I (17) is fixedly connected with the center of the closed one end of the screening inner cylinder (12), and the screening inner cylinder (12) is rotationally connected with the housing (11) under the driving of the motor I (17).

4. The vegetable and fruit screening structure according to claim 1, wherein the spraying openings (8) and the soft brush (9) are corresponding to the discharging openings (6), the spraying openings (8) are uniformly distributed along the length direction of the spraying pipe (7), and the soft brush (9) are uniformly distributed along the length direction of the spraying pipe (7).

5. The vegetable and fruit screening structure according to claim 2, characterized in that an adapter (18) is arranged at the water inlet end of the spray pipe (7), one end of the adapter (18) is in sealing rotation connection with the spray pipe (7), a water inlet pipe (19) is arranged at the other end of the adapter (18), the water inlet pipe (19) is detachably and fixedly connected with the adapter (18), the water inlet pipe (19) is fixedly connected with the frame (1), and one end of the spray pipe (7) positioned in the screening inner cylinder (12) is in rotation connection with one closed end of the screening inner cylinder (12).

6. The vegetable and fruit screening structure according to claim 5, wherein the shell (11) is provided with a second motor (20), the second motor (20) is detachably connected with the top of the shell (11) and corresponds to the feeding hole (5), the output end of the second motor (20) is provided with a swinging rod (21), one end of the swinging rod (21) is fixedly connected with the output end of the second motor (20), the other end of the swinging rod (21) is positioned in the feeding hole (5) and is fixedly provided with a first gear (22), the outer side wall of one end of the spray pipe (7) positioned outside the screening inner barrel (12) is provided with a plurality of tooth blocks (23) meshed with the first gear (22), the tooth blocks (23) are uniformly distributed along the circumference of the spray pipe (7), and the spray pipe (7) is respectively connected with the adapter (18) and the screening inner barrel (12) in a rotating mode under the driving of the second motor (20).

7. The vegetable and fruit screening structure according to claim 6, wherein connecting rods (24) are arranged on the left side and the right side of the bottom of one end of the shell (11), one end of each connecting rod (24) is detachably and fixedly connected with the end part of the shell (11), a second gear (25) meshed with a plurality of tooth blocks (23) is arranged at the other end of each connecting rod (24), and the second gear (25) is located in the feed inlet (5) and is rotationally connected with the connecting rod (24).

8. The vegetable and fruit screening structure according to claim 5, wherein the collecting frame (4) comprises a frame (30), a plurality of material frames (31) corresponding to the screening areas (13) one by one are arranged at the top of the frame (30), the material frames (31) are detachably connected with the frame (30), a plurality of water passing holes (32) which are uniformly distributed are arranged at the bottom of the material frames (31), a water tank (33) communicated with the water passing holes (32) is arranged at the bottom of the frame (30), the material frames (31) are arranged at the top of the water tank (33), the water outlet (10) is arranged at the bottom of the water tank (33), a filter screen (34) and a three-way valve (3) are arranged at the position of the water outlet (10), the filter screen (34) is detachably connected with the water outlet (10) and is arranged in the water tank (33), a mounting groove (26) matched with the three-way valve (3) is arranged at the outside the bottom of the water tank (33), a water outlet (27) is arranged at one side of the mounting groove (26), a water return pipe (28) is arranged at the other side of the mounting groove (26), a water return pipe (28) is connected with the water return pipe (28) through the water return pipe (28) and the water return pipe (28) respectively connected with the water return pipe (28), one end of the water return pipe (28) is connected with the three-way valve (3), and the other end of the water return pipe (28) penetrates through the side wall of the mounting groove (26) and then is communicated with the water inlet pipe (19).

9. The vegetable and fruit screening structure according to claim 8, wherein one side of the water tank (33) is close to the feed inlet (5), the other side corresponding to the water tank (33) is far away from the feed inlet (5), the water outlet (10) is located at one side of the water tank (33) close to the feed inlet (5), and the bottom of the water tank (33) is gradually inclined downwards from one side far away from the feed inlet (5) to one side close to the feed inlet (5).