CN110393160B - Food transport system - Google Patents

Abstract

The invention discloses a food transportation system, which comprises a transportation mechanism and a screening mechanism, wherein the transportation mechanism comprises a conveying belt and a screening belt; screening mechanism includes the box, can the up-and-down motion locate the sieve case in the box and drive the lifting subassembly of sieve case up-and-down motion, the box intussuseption is filled with water, be equipped with in the box and cut apart the baffle of screening chamber and collection chamber with the box inner chamber, the passageway that supplies the egg to pass through has between baffle top and the box, the sieve case is located the screening intracavity, sieve bottom of the case portion runs through and is equipped with a plurality of sieve meshes, be equipped with a plurality of elastic components on the inner wall of screening chamber bottom, the elastic component tip is equipped with the piece of supporting that offsets with sieve bottom of the case portion. The egg screening device has the advantages of low cost, good screening effect, time saving and labor saving by realizing the screening of the eggs on the principle that the deteriorated eggs float on the water surface by placing the eggs in the water.

Description

Food transport system

Technical Field

The invention relates to the field of food, in particular to a food transportation system.

Background

Eggs are one of the most common foods in daily life of people, are rich in nutrition and are one of the most important complementary foods for infants, egg baking foods prepared from eggs are one of the common complementary foods, the demand of people for eggs is higher and higher at present, the eggs are delicious in taste and low in price, the demand of the eggs is huge, the production of the eggs is scaled at present, the quantity of the eggs is huge due to the scaled production of the eggs,

present egg conveyer can transport the egg appointed place and be convenient for the staff to place the egg in the egg holds in the palm to reduce labour cost, but it is very necessary to reject rotten egg before the egg is sold, and at present stage, owing to lack dedicated equipment, the screening flow of giving birth to bright egg is independently gone on separately with manual mode, and product quality is unstable, and production efficiency is low, has improved the manufacturing cost of enterprise.

Disclosure of Invention

The present invention addresses the above-identified problems in the prior art by providing a food transport system.

The purpose of the invention can be realized by the following technical scheme: a food conveying system comprises a conveying mechanism and a screening mechanism; screening mechanism includes the box, locates the sieve case in the box and drives the lifting subassembly of sieve case vertical motion, the box intussuseption is filled with water, be equipped with in the box and cut apart the baffle of screening chamber and collection chamber with the box inner chamber, the passageway that supplies the egg to pass through has between baffle top and the box, the sieve case is located the screening intracavity, sieve bottom of the case portion runs through and is equipped with a plurality of sieve meshes, be equipped with a plurality of elastic components on the inner wall of screening chamber bottom, the elastic component tip is equipped with the piece of supporting that offsets with sieve bottom of the case portion, the lifting subassembly is including locating the lifting board of sieve case below and the lifting driving piece of drive lifting board vertical motion, the screening intracavity is equipped with the rotating assembly who produces the effort to the baffle direction.

The working principle of the invention is as follows: fill water in the box, empty the egg to the screening intracavity, the sieve incasement is directly fallen to not rotten egg, rotten egg then floats on the surface of water, start rotating assembly this moment and produce the effort to the baffle direction, the egg that floats on the surface of water receives the impulsive force to the baffle direction motion, then get into through the passageway and collect the intracavity, treat that the egg that floats on the surface of water all gets into and collects the intracavity back, start the lifting driving piece drive and lift the board and upwards move, the lifting board moves the sieve case and upwards moves the ejecting box of sieve case, then take out the egg of sieve incasement through the manual work.

According to the egg cleaning device, the eggs are screened by the principle that deteriorated eggs float on the water surface when the eggs are placed in water, the cost is low, the screening effect is good, time and labor are saved, the egg shells can be soaked by the eggs placed in the water, and the subsequent egg cleaning effect is improved; through the arrangement of the sieve box, the eggs which are not deteriorated are settled and fall into the sieve box, so that the eggs can be conveniently collected; through the arrangement of the elastic piece, when eggs fall into the screen box, the screen box can shake up and down under the action of the elastic piece, so that some dirt adhered to the surface of the eggshell can be shaken off, and the primary cleaning of the eggshell is realized; through the arrangement of the sieve pores, the resistance of the sieve box during up-and-down shaking can be reduced, and the shaking frequency of the sieve box is improved; through the arrangement of the lifting assembly, the screened box can be lifted by the lifting assembly to drain eggs, and the eggs do not need to be manually stretched into the box body for fishing; through rotating assembly's setting for rotten egg can get into under rotating assembly's effect and collect the intracavity, thereby realizes the collection to rotten egg, and rotten egg together gets into the sieve incasement when avoiding the sieve case to make progress the action.

The rotating assembly comprises a fan blade and a rotating driving piece, the fan blade is arranged in the screening cavity and far away from one side of the partition plate, the rotating driving piece drives the fan blade to rotate, and a filter screen is arranged between the fan blade and the screen box.

Collect the intracavity slope and be equipped with first swash plate, the baffle top is located to the higher department of first swash plate, the passageway is located between first swash plate and the baffle, the interval is equipped with the second passageway between the lower department of first swash plate and the collection chamber lateral wall.

The collecting cavity is obliquely provided with a second inclined plate, the higher part of the second inclined plate is arranged on the partition plate, a third channel is arranged between the lower part of the second inclined plate and the side wall of the collecting cavity at intervals, the partition plate is provided with a screen, the screen is arranged below the second inclined plate, a baffle is arranged at one side of the screening cavity and corresponds to the screen, and a drainage gap is arranged between the baffle and the screen at intervals.

Transport mechanism includes frame, conveyer, belt cleaning device, air-dries device and light and examines the device, conveyer is including two pulleys of locating the frame both sides, conveying driving piece and around locating two conveyer belts on two pulleys, the band pulley both sides are located to the conveyer belt symmetry, connect through a plurality of connecting axles between two conveyer belts, rotatable cover is equipped with the egg roller on the connecting axle, have the washing tank that holds the egg between the two adjacent egg rollers, the egg roller both ends are equipped with the round dogtooth respectively, be equipped with the header tank on the conveyer belt between the lower floor, header tank top both sides are equipped with respectively with dogtooth matched with cogged rail.

The cleaning device comprises a cleaning box body arranged above the conveying belt, a plurality of cleaning rollers arranged in the cleaning box body in parallel and rotatable and a spraying assembly arranged on the cleaning box body, and when eggs pass through the lower portion of the cleaning rollers, the surfaces of the eggshells are cleaned by the cleaning rollers.

The water collecting tank is arranged on the top of the water collecting tank and is obliquely arranged, and a plurality of drain pipes communicated with the water collecting tank are arranged on the lower side of the water collecting tank.

The air-drying device comprises an air-drying box body arranged above the conveying belt, an air cavity is arranged in the air-drying box body, an air-drying driving piece used for conveying air into the air cavity is arranged on the air-drying box body, a plurality of air holes communicated with the air cavity are formed in the bottom of the air-drying box body, and an egg pressing assembly is further arranged on the air-drying box body.

Press egg subassembly including locate air-dry box and conveyer belt between ventilative cloth and with a plurality of connecting pieces that ventilative cloth links to each other, the connecting piece runs through to be located on the air-dry box and can air-dry the box action from top to bottom relatively, the connecting piece top is equipped with the convex part, the convex part with air-dry and be equipped with the piece that resets between the box top, it locates on the connecting piece to reset the piece cover, ventilative cloth top left and right sides is equipped with two fenders.

The light detection device comprises a light detection box body arranged on one side of the rack, two driving wheels arranged on two sides of the light detection box body, and a transparent conveying belt wound on the two driving wheels, wherein a light source is arranged between the upper layer and the lower layer of the transparent conveying belt, a color sensor is arranged above the transparent conveying belt, an impeller is arranged on the rear side of the color sensor, a motor for driving the impeller to rotate is arranged on the light detection box body, the color sensor is in communication connection with the motor, when the color sensor detects black, the driving motor drives the impeller to rotate, and a sliding rail for allowing eggs to slide down is arranged on the side wall of the light detection.

Compared with the prior art, the egg screening device has the advantages that the egg screening is realized by the principle that the deteriorated eggs float on the water surface by placing the eggs in the water, the cost is low, the screening effect is good, and the time and the labor are saved.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Figure 2 is a cross-sectional view of the screening mechanism of the present invention.

Fig. 3 is a partially enlarged schematic view at a in fig. 2.

Fig. 4 is a cross-sectional view of the transport mechanism of the present invention.

Fig. 5 is a partially enlarged schematic view at B in fig. 4.

Fig. 6 is a partially enlarged schematic view at C in fig. 4.

Fig. 7 is a schematic view showing the structure of a water collecting tank in the transporting mechanism of the present invention.

Fig. 8 is a schematic view of the structure of the optical inspection device in the transport mechanism of the present invention.

In the figure, 1, a box body; 2. a screen box; 3. a partition plate; 4. a screening chamber; 5. a collection chamber; 6. a resisting block; 7. lifting the plate; 8. lifting the driving piece; 9. a fan blade; 10. a rotary drive member; 11. filtering with a screen; 12. a first sloping plate; 13. a second channel; 14. a second swash plate; 15. a third channel; 16. screening a screen; 17. a baffle plate; 18. a drainage gap; 19. a frame; 20. a pulley; 21. a conveyor belt; 22. a connecting shaft; 23. an egg roller; 24. a water collection tank; 25. cleaning the box body; 26. cleaning the roller; 27. a drain pipe; 28. air-drying the box body; 29. a breathable cloth; 30. a connecting member; 31. an optical detection box body; 32. a driving wheel; 33. a transparent conveyor belt; 34. a color sensor; 35. an impeller; 36. a motor; 37. a slide rail; 38. a rubber strip; 39. an elastic member; 40. a support leg; 41. a photo-detection driving member; 42. a blanking plate; 43. air-drying the driving piece; 210. screening holes; 231. a convex tooth; 232. a cleaning tank; 241. a rack rail; 242. a water collection tank; 301. a convex portion; 302. a reset member; 291. a wind deflector; 171. connecting columns; 251. cleaning the driving part; 261. brushing; 252. a shower pipe; 253. a spray drive; 331. a light source; 282. and (4) air holes.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1-8, a food transport system includes a transport mechanism and a screening mechanism; the screening mechanism comprises a box body 1 made of stainless steel, a screen box 2 arranged in the box body 1 and a lifting assembly for driving the screen box 2 to move up and down, a plurality of screen holes 210 are formed in the bottom of the screen box 2 in a penetrating mode, water is filled in the box body 1, a partition plate 3 for dividing the inner cavity of the box body 1 into a screening cavity 4 and a collecting cavity 5 is arranged in the box body 1, the partition plate 3 is a stainless steel plate, the bottom and two side edges of the partition plate are respectively connected with the inner wall of the box body 1 in a welding mode, the height of the partition plate 3 is lower than that of the box body 1, a channel 6 is formed between the top of the partition plate 3 and the top of the box body 1 at intervals, eggs in the screening cavity 4 enter the collecting cavity 5 through the channel 6, a plurality of elastic pieces 39 are welded on the inner wall of the bottom of the screening cavity 4, the elastic pieces 39 are vertically arranged, in the embodiment, when the sieve box 2 is placed in the screening chamber 4, the lower end face of the sieve box 2 is abutted against the upper end face of the abutting block 391, so that the sieve box 2 is supported.

To be more specific, in order to reduce the impact force when eggs fall into the sieve box 2, a plurality of rubber strips 38 are adhered to the bottom of the inner wall of the sieve box 2.

Further saying in a detailed manner, the lifting subassembly is including the lifting board 7 and the drive lifting board 7 oscilaltion's lifting driving piece 8 that can the oscilaltion locate sieve case 2 below, lifting driving piece 8 is the ordinary cylinder that can directly purchase on the market and obtain, the event is not repeated, lifting driving piece 8 is through screw connection in 1 bottom of box, the through-hole that its output shaft passed on the box corresponds stretches into in the box 1 and is vertical setting, lifting board 7 locates the epaxial corrosion resistant plate of lifting driving piece 8 output for the welding, lifting board 7 is the fretwork setting, make lifting board 7 the up-and-down motion resistance in aqueous reduce, after the screening is finished, upwards jack-up sieve case through the lifting subassembly, realize the dribbling to the sieve case, through artifical transport sieve case after the dribbling, need not the manual work and collect the egg.

In more detail, a rotating assembly which generates acting force towards the direction of the partition plate 3 is arranged in the screening chamber 4.

In more detail, the rotating assembly comprises a fan blade 9 arranged on one side of the screening chamber 4 far away from the partition plate 3 and a rotating driving member 10 for driving the fan blade 9 to rotate, the rotating driving member 10 is a common cylinder which can be purchased directly on the market, so the details are not repeated, the rotating driving member 10 is connected with one side of the box body 1 close to the screening box 2 through a screw, an output shaft of the rotating driving member passes through a corresponding through hole on the box body and extends into the box body 1 and is transversely arranged, the fan blade 9 is arranged on the output shaft of the rotating driving member 10, so that acting force towards the direction of the partition plate 3 is generated when the rotating driving member 10 drives the fan blade 9, acting force generated at the upper end of the screening chamber 4 drives eggs floating on the water to move towards the collecting chamber 5, due to the arrangement of the partition plate 3, when acting force generated at the lower end of the screening chamber 4 drives water, can pass sieve case 2 during rivers upward movement to make the egg that falls in sieve case 2 receive to realize rolling after rivers strike, make the partly rotten egg that is pressed below float out the surface of water, partial deposit moves to screening chamber 5 upper end under the effect of rivers simultaneously at the filth of screening chamber 5 below, then gets into under the impact of horizontal rivers and collects the chamber 5 in, the realization is to the clearance of screening chamber 5 filth.

In more detail, in order to prevent the fan blades 9 from breaking eggs when rotating, a filter screen 11 is arranged between the fan blades 9 and the screen box 2.

In more detail, a first inclined plate 12 is obliquely arranged in the collecting cavity 5, two sides of the first inclined plate 12 are welded on the inner wall of the collecting cavity 5, the higher part of the first inclined plate 12 is arranged above the partition plate 3, the channel 6 is arranged between the first inclined plate 12 and the partition plate 3, a second channel 13 is formed between the lower part of the first inclined plate 12 and the side wall of the collecting cavity 5 at intervals, so that when the deteriorated eggs enter the collecting cavity 5 from the screening cavity 4, the eggs move along the lower end surface of the first inclined plate 12, when the eggs move to the position of the second channel 13, the eggs float upwards under the action of buoyancy, the eggs are positioned above the first inclined plate 12, the deteriorated eggs cannot sink due to the action of the buoyancy, thereby make the unable backward flow of egg to screening chamber 4 in, realize need not manual operation to rotten egg's collection, labour saving and time saving treats that rotten egg collects and to realize clearing up through artifical salvage after certain quantity.

In more detail, a second inclined plate 14 is obliquely arranged in the collection cavity 5, the higher part of the second inclined plate 14 is arranged on the partition plate 3, a third channel 15 is arranged between the lower part of the second inclined plate 14 and the side wall of the collection cavity 5 at a distance, a screen 16 is arranged on the partition plate 3, the screen 16 is arranged below the second inclined plate 14, when dirt enters the collection cavity 5 under the action of water flow, the dirt can sink on the upper end surface of the second inclined plate 14 under the action of gravity, the dirt can slide to the lower end along the second inclined plate 14 due to the oblique arrangement of the second inclined plate 14, when the dirt falls into the cavity below the second inclined plate 14 at the position of the third channel 15, the water flow passes through the screen 16 and flows back to the screening cavity 4, and the dirt is blocked in the cavity below the second inclined plate 14 by the screen 16.

It is further said that, baffle 3 is located screening chamber 4 one side and is equipped with baffle 17 with screen cloth 16 corresponding position department, baffle 17 links firmly with baffle 3 through a plurality of spliced poles 171, the interval forms drainage clearance 18 between baffle 17 and the screen cloth 16, when the rivers in rotary component drive screening chamber 4 move to collecting chamber 5, rivers strike the baffle 17 and just can change direction and get into from 6 departments of passageway and collect chamber 5, thereby guarantee that the flow direction of rivers remains unanimous throughout in the box 1, and then guarantee the stability to rotten egg screening.

Further saying in detail, transport mechanism includes frame 19, conveyer, belt cleaning device, air-dries device and light and examines the device, and conveyer is used for transporting the egg to the appointed place, and belt cleaning device is used for wasing the eggshell, and air-dries the device and is used for air-drying the egg after wasing, and light is examined the device and is used for carrying out the light to the egg after air-drying.

In more detail, the conveying device comprises two pulleys 20 arranged on the left side and the right side of the frame 19, a conveying driving element and two conveying belts 21 wound on the two pulleys 20, the conveying belts 21 are symmetrically arranged on the two sides of the pulleys 20, the two conveying belts 21 are connected with each other through a plurality of connecting shafts 22, the conveying belts 21 and the connecting shafts 22 are integrally formed rubber elements, the conveying driving element is a common motor which can be directly purchased from the market, and therefore, the conveying driving element is not described in detail, the conveying driving element is connected with the outer side of the frame 19 through screws, an output shaft of the conveying driving element is connected with the left pulleys 20 through a coupling, the connecting shafts 22 are rotatably sleeved with egg rollers 23, the egg rollers 23 are made of rubber, so that the eggs have a certain buffering effect when falling onto the egg rollers 23, the eggs are prevented from being damaged, the friction force between the rubber and the eggshell surface is large, the eggs can rotate along with the egg rollers 23 when the egg, when eggs fall into the cleaning tank 232, the egg rollers 23 on the two sides drive the eggs to rotate at the same time, and the rotating speed of the eggs is guaranteed.

Further saying in detail, egg roller 23 both ends are equipped with round dogtooth 231 respectively, interval department is equipped with header tank 24 about conveyer belt 21, header tank 24 both sides and 1 inner wall fixed connection of frame, header tank 24 top both sides are equipped with respectively with dogtooth 231 matched with rack 241, conveyer belt 21 drives egg roller 23 when rotating and rotates, when egg roller 23 rotated header tank 24 up end, dogtooth 231 and rack 241 meshing, continue to rotate, dogtooth 231 moves along rack 241, thereby realize egg roller 23's rotation, need not extra power supply and can realize egg roller 23's rotation, a structure is simple, the very big manufacturing cost who has reduced the enterprise.

In more detail, the cleaning device comprises a cleaning box 25 disposed above the conveyor belt 21, a plurality of cleaning rollers 26 rotatably disposed in the cleaning box 25 side by side, and a spraying assembly disposed on the cleaning box 25, wherein two sides of the cleaning box 25 are welded to the frame 19, a cleaning driving member 251 is connected to the outer side of the cleaning box 25 by a screw, the cleaning driving member 251 is a common motor directly available on the market, and therefore, the details are not repeated, the cleaning driving member 251 is coupled to one of the cleaning rollers 26 by a coupling, and the plurality of cleaning rollers 26 are connected to each other by a conveyor belt, so that when one of the cleaning rollers 26 rotates, the other cleaning rollers 26 can be driven to rotate together, a layer of bristles 261 is fixedly arranged on the cleaning roller 26, the bristles 261 are made of soft water-absorbing materials, thereby guaranteeing the cleaning effect on the surface of the eggshell and avoiding the damage of the eggshell caused by the hard collision with the egg.

Further saying, the spray assembly includes evenly installs in a plurality of shower 252 that wash box 25 inner wall top and through the screw mounting in the drive spare 253 that sprays that washs box 25 top, spray drive spare 253 for can directly purchase the ordinary water pump that obtains on the market, and the rethread is not repeated, spray assembly to wash roller 26 and go up the water spray for it is better to clean eggshell surface effect after the brush hair on wash roller 26 surface is moistened by water.

In more detail, the top of the water collecting tank 24 is provided with a water collecting tank 242, the water collecting tank 242 is arranged in an inclined manner, the water collecting tank 24 is arranged at the lower side of the water collecting tank 242 and is provided with a plurality of drain pipes 27 communicated with the water collecting tank 242, the water squeezing tank 242 is used for collecting the cleaned wastewater and discharging the wastewater through the drain pipes 27, and the drain pipes 27 can discharge the wastewater to the outside of the rack 19 to prevent the wastewater from polluting the inside of the equipment.

Further saying, air-dry the device including the air-dry box 28 of locating the conveyer belt 21 top, be equipped with air cavity 281 in the air-dry box 28, be equipped with on the air-dry box 28 and be used for air-dry driving piece 43 to air cavity 281 in the transport gas, air-dry the box 28 bottom and offer a plurality of gas pockets 282 with air cavity 281 intercommunication, gas pocket 282 is towards conveyer, air-dry driving piece 43 is the ordinary air pump that can directly purchase on the market and obtain, the event is not repeated, when the needs air-dry the eggshell, start to air-dry driving piece 43 and then spout to the eggshell surface from gas pocket 282 in to air cavity 281, make the drop on eggshell surface break away from the eggshell after receiving the effect.

To put it more precisely, the air-drying box 28 is also provided with an egg-pressing assembly in order to prevent the air-drying device from blowing away the eggs.

In more detail, the egg pressing assembly comprises a breathable cloth 29 arranged between the air drying box body 28 and the conveyor belt 21 and a plurality of connecting pieces 30 connected with the breathable cloth 29, the connecting pieces 30 penetrate through the air drying box body 28 and can move up and down relative to the air drying box body 28, a convex part 301 is arranged at the top of each connecting piece 30, a resetting piece 302 is arranged between each convex part 301 and the top of the air drying box body 28, the resetting piece 302 is sleeved on each connecting piece 30, two wind blocking plates 291 are arranged on the left side and the right side of the top of each breathable cloth 29, when the air drying device works, the air holes 282 inject air downwards, the air is sprayed onto the wind blocking plates 291 to drive the wind blocking 291 to move downwards, the wind blocking 291 drives the breathable cloth to move downwards to press eggs, the eggs are prevented from flying out of the conveyor device after being affected by wind power, the breathable cloth 29 can guarantee the pressing effect on eggs, when the air-drying device stops working, the reset piece 302 can drive the connecting piece 30 to jack up upwards, so that the breathable cloth is driven to move upwards, manual lifting is not needed, and time and labor are saved.

In more detail, the optical inspection device includes an optical inspection box 31 disposed on one side of the frame 19, two transmission wheels 32 disposed on two sides of the optical inspection box 31, and a transparent conveyor belt 33 wound on the two transmission wheels 32, the optical inspection driving member 41 is connected to the outer side of the optical inspection box 31 through a screw, and the optical inspection driving member 41 is a common motor directly available on the market, so that the detailed description is omitted.

In further detail, the transparent conveyor belt 33 is made of rubber, so that eggs have a buffering effect when falling onto the transparent conveyor belt 33, thereby preventing the eggs from being broken.

In more detail, the light source 331 is installed between the upper layer and the lower layer of the transparent conveyor belt 33, in this embodiment, the light source 331 is an LED lamp set, light emitted by the light source 331 can penetrate through an eggshell to be convenient for observing whether stains exist in eggs through naked eyes, whether black substances exist in the yolks can be checked through illumination due to the fact that the eggs deteriorate, so as to detect whether the eggs deteriorate, the color sensor 34 is arranged above the transparent conveyor belt 33, the light detection box 31 is provided with a bracket for installing the color sensor 34, the rear side of the color sensor 34 is provided with an impeller 35, the light detection box 31 is provided with a motor 36 for driving the impeller 35 to rotate, the color sensor 34 is in communication connection with the motor 36, two sides of the light detection box 31 are provided with openings corresponding to the impeller 35, the opening on one side is provided with a slide rail 37 for the eggs to slide down, when the color sensor, the driving motor 36 drives the impeller 35 to rotate, so that the eggs with the black spots on the transparent conveyor belt 33 are pushed onto the sliding rail 37, the color sensor 34 is in the prior art, and therefore, the description is omitted, and the eggs qualified in the optical inspection can be collected on one side of the transparent conveyor belt 33.

In more detail, a plurality of supporting legs 40 are welded to the bottom of the box 1, the rack 19 and the light detection box 31.

In detail, a blanking plate 42 is obliquely arranged on the left side of the rack 19, the screened eggs slide to the transmission device through the blanking plate 42, and a plurality of arc grooves for the eggs to slide are formed in the blanking plate 42 in an inwards concave mode.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Although terms are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims (10)

1. A food transport system characterized by: comprises a transportation mechanism and a screening mechanism; the screening mechanism comprises a box body (1), a screen box (2) arranged in the box body (1) and a lifting assembly for driving the screen box (2) to move up and down, wherein water is filled in the box body (1), a partition plate (3) for dividing an inner cavity of the box body (1) into a screening cavity (4) and a collecting cavity (5) is arranged in the box body (1), a channel (6) for eggs to pass through is arranged between the top of the partition plate (3) and the box body (1), the screen box (2) is arranged in the screening cavity (4), a plurality of screen holes (210) are arranged at the bottom of the screen box (2) in a penetrating manner, a plurality of elastic pieces (39) are arranged on the inner wall of the bottom of the screening cavity (4), a support block (391) which supports against the bottom of the screen box (2) is arranged at the end part of each elastic piece (39), the lifting assembly comprises a lifting plate (7) arranged below the screen box (2) and a lifting driving piece (8) for, and a rotating assembly for generating acting force towards the direction of the partition plate (3) is arranged in the screening cavity (4).

2. The food transport system of claim 1, wherein: the rotating assembly comprises a fan blade (9) and a rotating driving piece (10), wherein the fan blade (9) and the rotating driving piece (10) are arranged in the screening cavity (4) and far away from one side of the partition plate (3), and the rotating driving piece (9) drives the fan blade (9) to rotate, and a filter screen (11) is arranged between the fan blade (9) and the screen box (2).

3. The food transport system of claim 1, wherein: collect chamber (5) interior slope and be equipped with first swash plate (12), baffle (3) top is located to first swash plate (12) higher department, first swash plate (12) and baffle (3) between are located in passageway (6), first swash plate (12) lower department and collect chamber (5) lateral wall between the interval be equipped with second passageway (13).

4. The food transport system of claim 1, wherein: collect chamber (5) interior slope and be equipped with second swash plate (14), second swash plate (14) higher department is located on baffle (3), second swash plate (14) lower department and collect chamber (5) lateral wall between the interval be equipped with third passageway (15), be equipped with screen cloth (16) on baffle (3), second swash plate (14) below is located in screen cloth (16), baffle (3) are located screening chamber (4) one side and correspond position department with screen cloth (16) and are equipped with baffle (17), the interval is equipped with drainage clearance (18) between baffle (17) and screen cloth (16).

5. The food transport system of claim 1, wherein: transport mechanism includes frame (19), conveyer, belt cleaning device, air-dries device and light and examines the device, conveyer is including two band pulleys (20), the conveying driving piece of locating frame (19) both sides and around locating two conveyer belt (21) on two band pulleys (20), band pulley (20) both sides are located to conveyer belt (21) symmetry, connect through a plurality of connecting axles (22) between two conveyer belt (21), rotatable cover is equipped with egg roller (23) on connecting axle (22), adjacent two have between egg roller (23) and hold washing tank (232) of egg, egg roller (23) both ends are equipped with round dogtooth (231) respectively, be equipped with header tank (24) between the lower floor of conveyer belt (21), header tank (24) top both sides are equipped with respectively with dogtooth (231) matched with cogged rail (241).

6. The food transport system of claim 5, wherein: the cleaning device comprises a cleaning box body (25) arranged above the conveyor belt (21), a plurality of cleaning rollers (26) which are arranged in the cleaning box body (25) in parallel and can rotate, and a spraying assembly arranged on the cleaning box body (25), wherein when eggs pass below the cleaning rollers (26), the surfaces of the eggshells are wiped by the cleaning rollers (26).

7. The food transport system of claim 6, wherein: water catch bowl (242) have been seted up at water catch tank (24) top, water catch bowl (242) are the slope setting, water catch tank (24) are located water catch bowl (242) lower side and are equipped with a plurality of drain pipes (27) that are linked together with water catch bowl (242).

8. The food transport system of claim 5, wherein: the air-drying device comprises an air-drying box body (28) arranged above the conveyor belt (21), an air cavity (281) is arranged in the air-drying box body (28), an air-drying driving piece (43) used for conveying air into the air cavity (281) is arranged on the air-drying box body (28), a plurality of air holes (282) communicated with the air cavity (281) are formed in the bottom of the air-drying box body (28), and an egg pressing component is further arranged on the air-drying box body (28).

9. The food transport system of claim 8, wherein: press egg subassembly including locate air-dry ventilative cloth (29) between box (28) and conveyer belt (21) and with a plurality of connecting pieces (30) that ventilative cloth (29) link to each other, connecting piece (30) run through locate on air-dry box (28) and can air-dry box (28) upper and lower action relatively, connecting piece (30) top is equipped with convex part (301), be equipped with between convex part (301) and the air-dry box (28) top and reset piece (302), reset piece (302) cover is located on connecting piece (30), ventilative cloth (29) top left and right sides is equipped with two deep bead (291).

10. The food transport system of claim 5, wherein: the device is examined to light is including locating frame (19) one side light detection box (31), locating two drive wheels (32) of light detection box (31) both sides, around locating transparent conveyer belt (33) on two drive wheels (32), be equipped with light source (331) between the lower floor on transparent conveyer belt (33), transparent conveyer belt (33) top is equipped with color sensor (34), color sensor (34) rear side is equipped with impeller (35), be equipped with on light detection box (31) drive impeller (35) pivoted motor (36), color sensor (34) and motor (36) communication connection work as when color sensor (34) detect black, driving motor (36) drive impeller (35) and rotate, be equipped with slide rail (37) that supply the egg landing on light detection box (31) lateral wall.

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