CN215898825U

CN215898825U - A flushing machine for fruit surface impurity clears away

Info

Publication number: CN215898825U
Application number: CN202122004219.7U
Authority: CN
Inventors: 陈珠凉; 陈其霖; 沈志云
Original assignee: Xiamen Ruyi Food Co ltd
Current assignee: Xiamen Ruyi Food Co ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-02-25
Anticipated expiration: 2031-08-24

Abstract

The application discloses a flushing machine for fruit surface impurity clears away relates to the technical field that fruit surface impurity clears away, has improved the lower problem of fruit surface impurity clearance efficiency, and it includes conveyer, conveyer still includes feed inlet and discharge gate that is used for empting the fruit to the conveyer belt including the conveyer belt that is used for transporting the fruit, the feed inlet sets up in the one end of conveyer belt, the discharge gate sets up the one end of keeping away from the feed inlet on the conveyer belt, still includes washing unit, washing unit is including the flushing pipe that is used for washing the fruit, the flushing pipe is provided with a plurality of roots along direction of transportation equidistant, the flushing pipe sets up in the top of conveyer belt, still be connected with the driving piece that is used for providing power for conveyer on the conveyer. This application can wash the processing to the fruit simultaneously at the in-process of transporting the fruit, and need not the manual work and go on, has improved the efficiency that the fruit washed and the washing effect of fruit.

Description

A flushing machine for fruit surface impurity clears away

Technical Field

The application relates to the technical field of fruit surface impurity removal, in particular to a flushing machine for removing fruit surface impurities.

Background

The preserved fruit is a traditional food prepared by taking fruits and vegetables as raw materials and adopting the processing methods of sugar or honey pickling, salting and the like, and the preserved fruit becomes a popular national snack at present.

During the processing of preserved fruits, the fruits are usually required to be pickled, and after the fruits are pickled, a large amount of impurities exist on the surfaces of the fruits due to dehydration of the fruits, so that the fruits need to be washed by water.

The applicant finds that the washing process of the impurities on the surfaces of the fruits is usually carried out manually, a large amount of manpower is required to be input, the effect of the washed fruits cannot be guaranteed by manually washing the fruits, and the washing efficiency is low.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem that fruit surface impurity clearance efficiency is lower, this application provides a flushing machine for fruit surface impurity clears away.

The application provides a flushing machine for fruit surface impurity clears away adopts following technical scheme:

a washing machine for removing impurities on the surface of fruits comprises:

a transport device, the transport device comprising:

a conveyor belt for transporting the fruit;

the feeding hole is arranged at one end of the conveying belt, the feeding hole is provided with a ramp structure which inclines downwards along the conveying direction, and the feeding hole is used for dumping fruits onto the conveying belt;

the discharge port is arranged at one end of the conveying belt far away from the feed port;

a flushing device, the flushing device comprising:

the washing pipes are horizontally arranged and are arranged at equal intervals along the transportation direction;

the washing pipe is arranged above the conveying belt and used for washing fruits on the conveying belt, and the conveying device is further connected with a driving piece used for providing power for the conveying device.

Through adopting above-mentioned technical scheme, can make the fruit wash the fruit in the transportation to reach the purpose that fruit surface impurity was clear away, can handle a large amount of fruits simultaneously, alleviateed manual handling's work burden, improved the efficiency that fruit surface impurity was clear away.

Optionally, the transportation device comprises:

the driving gear shaft is horizontally arranged, gears are arranged at two ends of the driving gear shaft, and one end of the driving gear shaft is connected with the driving piece;

the driven gear shaft is arranged in parallel to the driving gear shaft, and gears are arranged at two ends of the driven gear shaft;

the two conveying chains are parallel to each other and are respectively meshed with the gears at the two corresponding ends of the driving gear shaft and the driven gear shaft;

the conveying belt is arranged between the two conveying chains and connected with the two conveying chains, the driving gear shaft and the gears at the two ends of the driven gear shaft are respectively located on the two vertical surfaces, and the conveying belt is arranged along the track of the conveying chains to form a circulating conveying line.

Through adopting above-mentioned technical scheme, can transport the fruit through the mode of gear and chain meshing, make the stable transportation of fruit.

Optionally, the conveyor belt comprises:

the connecting rods are horizontally arranged, two ends of each connecting rod are respectively connected with the two conveying chains, and the connecting rods are arranged at equal intervals along the tracks of the conveying chains;

the object placing plate is provided with a plurality of water discharging holes for discharging water and impurities;

the article placing plate is connected with two adjacent connecting rods respectively along two ends in the conveying direction, two ends, perpendicular to the conveying direction, of the article placing plate are connected with two conveying chains respectively, and the article placing plate is a flexible metal material product.

By adopting the technical scheme, the fruits can be stably placed on the conveying belt, the fruits are prevented from rolling in the conveying process, and the water and impurities can be discharged from the drain holes in time, so that the flushing effect is achieved.

Optionally, the method further includes:

a water storage tank for collecting water and impurities discharged from the water discharge hole;

the water storage tank is positioned below the conveying belt, the tank walls on two sides of the water storage tank are positioned on two sides of the conveying belt, and a water outlet is formed in the bottom of the water storage tank.

Through adopting above-mentioned technical scheme, can make wash port exhaust water and impurity can collect in the catch basin, and the rethread drain pipe is carried out sewage and is shifted at last, prevents that sewage from directly discharging to subaerial and causing the pollution.

Optionally, the transportation device further comprises:

the supporting rods are vertically arranged on two sides of the conveying belt, and a plurality of supporting rods are arranged at equal intervals along the conveying direction of the conveying belt;

the placing rod is arranged in parallel to the conveying belt and fixedly connected with the supporting rod;

the lower end of the supporting rod is connected with the lower end groove wall of the water storage groove, an interval exists between the placing rod and the lower end groove wall of the water storage groove in the vertical direction, the placing rod is located below the conveying chain, an interval exists between the placing rod and the conveying chain in the vertical direction, and a mounting seat for fixing the driving gear shaft and the driven gear shaft is further arranged on the placing rod.

Through adopting above-mentioned technical scheme, can make the transportation in transportation area more stable, make the transportation chain not soak in the sewage of catch basin simultaneously, prolong the life of transportation chain.

Optionally, the support rod is further connected with:

the baffle plates are vertically arranged and are arranged at two ends of the conveying belt;

wherein, the lower terminal surface of baffle and the last terminal surface of conveyer belt are leveled.

Through adopting above-mentioned technical scheme, the baffle can prevent that the in-process of fruit transportation on the conveyer belt from dropping to the catch basin from the both sides of conveyer belt in, prevents the waste of fruit material.

Optionally, there is a transition region on the conveyer belt, the transition region divides the conveyer belt into a horizontal segment and an ascending segment, the horizontal segment and the ascending segment are arranged in sequence along the conveying direction, the conveyer further includes:

a hold-down assembly for holding down a transport chain of a transition region;

the compression assembly comprises:

the positioning rod is horizontally arranged;

the pressing gear is rotatably connected with one end of the positioning rod;

the conveying belt is characterized in that supporting rods are arranged on two sides of the conveying belt of the transition area, the other ends of the positioning rods are connected with the supporting rods, the supporting rods are provided with two positioning rods, the number of the pressing gears is four, the pressing gears are located at two sides of the same side, downwards press the conveying chain at the same side, and are respectively meshed with the upper end and the lower end of the conveying chain at the same side.

Through adopting above-mentioned technical scheme, the horizontal segment is used for preventing that the fruit from producing after getting into in a large number from the feed inlet and piling up, and the ascending section is used for the fruit to wash, drops after making things convenient for impurity removal on the fruit. Meanwhile, the pressing assembly can guarantee normal transportation of the transportation belt in the transition area, and transportation stability of the transportation belt is enhanced.

Optionally, the baffles on the two sides of the ascending section are further provided with:

a tube seat for fixing the flushing tube;

one end of the pipe seat is fixedly connected with the upper end of the baffle, and the other end of the pipe seat is provided with a connecting part for fixing the flushing pipe.

Through adopting above-mentioned technical scheme, can prevent to supply water switch to open the back because rivers pass through and make the flushing pipe take place violent vibration to influence the washing effect of nozzle to the fruit.

Optionally, the flushing pipe is further provided with:

a plurality of nozzles are arranged at equal intervals along the length direction of the flushing pipe;

and the nozzles on the adjacent flushing pipes are arranged in a staggered mode along the conveying direction.

Through adopting above-mentioned technical scheme, can make the fruit on the conveyer belt receive evenly to wash, prevent to wash the scope and appear the dead angle.

In summary, the present application includes at least one of the following benefits:

1. through the conveying device and the flushing device, a large number of fruits can be flushed by the flushing machine at the same time, and the fruits can be flushed while being conveyed, so that a large amount of manpower resource investment is saved, and the flushing efficiency is greatly improved;

2. the sewage after being washed is collected through the water storage tank, then transferred and poured to a specified position, and the sewage is prevented from being directly discharged to the ground to pollute the soil.

Drawings

FIG. 1 is a schematic structural diagram of a washing machine for removing impurities on the surface of fruits according to an embodiment of the present application;

FIG. 2 is a side view of a transporter in an embodiment of the present application;

FIG. 3 is a schematic view of the embodiment of the present application with the reservoir and the flushing device omitted;

FIG. 4 is an enlarged view at A in FIG. 2;

FIG. 5 is an enlarged view at B in FIG. 2;

fig. 6 is a schematic structural diagram of a flushing device in an embodiment of the present application.

Description of reference numerals: 1. a feed inlet; 2. a transportation device; 21. a conveyor belt; 211. a connecting rod; 212. a storage plate; 2121. a drain hole; 22. a transport chain; 23. a driving gear shaft; 24. a driven gear shaft; 25. a compression assembly; 251. positioning a rod; 252. a pressing gear; 26. a gear; 27. a transition region; 28. a rising section; 29. a horizontal segment; 3. a discharge port; 4. a support bar; 5. placing a rod; 51. a mounting seat; 6. a stop lever; 61. a tube holder; 62. a baffle plate; 7. a flushing device; 71. a water inlet pipe; 72. a flush tube; 73. a water inlet; 74. a water supply switch; 75. a nozzle; 8. a supporting seat; 9. a water storage tank; 91. a water outlet; 92. a drain switch; 10. a drive member; 11. and a transmission device.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses a flushing machine for removing impurities on the surface of fruits.

Referring to fig. 1, the washing machine is a cuboid structure and comprises a washing device 7, a conveying device 2, a water storage tank 9, a feeding port 1, a discharging port 3, a supporting frame and a driving piece 10. The flushing device 7 is arranged above the transportation device 2, and the bottom of the water storage tank 9 is arranged below the transportation device 2. Feed inlet 1, conveyer 2 and discharge gate 3 set up on same straight line along the direction of transportation, and the support frame is used for supporting feed inlet 1, conveyer 2 and discharge gate 3. A transmission device 11 is arranged between the driving member 10 and the transportation device 2, and the driving member 10 provides power for the transportation device 2 through the transmission device 11.

The fruit that waits to wash is delivered to conveyer 2 through feed inlet 1 after last process, and washing unit 7 washes the fruit when conveyer 2 transports the fruit, collects through discharge gate 3 after the fruit washes the end, and unified one process that delivers to next again.

The water storage tank 9 is of a cuboid structure, the length directions of the tank walls on the two sides of the water storage tank 9 are parallel to the transportation direction, and the upper end faces of the tank walls on the two sides of the water storage tank 9 are higher than the transportation device 2. A water outlet 91 is arranged at the bottom of the water storage tank 9, and a water drainage switch 92 is arranged at the water outlet 91.

The feed inlet 1 has a ramp structure inclined downward in the transport direction, and the width of the feed inlet 1 is the same as that of the transport device 2. The inclined lower end of the feed port 1 and one end of the upper half conveying belt 21 close to the feed port 1 are positioned on the same horizontal plane, and a distance exists between the inclined lower end of the feed port 1 and the upper half conveying belt 21 in the horizontal direction. The inclined upper end of the feed inlet 1 is connected with the upper end of one wall of the water storage tank 9.

The discharge port 3 is arranged downwards along the transportation direction in an inclined manner, the inclined lower end of the discharge port 3 is distant from the ground in the vertical direction, and the inclined upper end of the discharge port 3 is positioned below one end, close to the discharge port 3, of the transportation belt 21. The fruit is finally collected along the discharge gate 3 landing after 2 transports of conveyer.

The discharge port 3 is positioned on the outer side of the wall of the water storage tank 9 far away from one end of the feed port 1, a supporting seat 8 for supporting the discharge port 3 is arranged at the position of the discharge port 3, and the lower end of the supporting seat 8 is placed on the ground.

Referring to fig. 1 and 2, the transport device 2 includes a driving gear shaft 23, a driven gear shaft 24, a transport chain 22, and a transport belt 21.

The driving gear shaft 23 and the driven gear shaft 24 are both horizontally arranged, wherein the driving gear shaft 23 is close to one end of the material outlet 3, and the driven gear shaft 24 is close to one end of the material inlet 1. Both ends of the driving gear shaft 23 and the driven gear shaft 24 are provided with gears 26 having the same number of teeth, and the distance between the two gears 26 on the driving gear shaft 23 is the same as the distance between the two gears 26 on the driven gear shaft 24.

Referring to fig. 3, two transport chains 22 are provided, and the two transport chains 22 are parallel to each other and engaged with two gears 26 at the same end of the driving gear shaft 23 and the driven gear shaft 24, respectively. The conveying belt 21 is arranged between the two conveying chains 22, two sides of the conveying belt 21 are connected with one side of the conveying chains 22 opposite to each other, and the conveying belt 21 is arranged along the length direction of the conveying chains 22 to form a conveying line capable of circularly conveying.

The driving element 10 is located below one end of the conveyer belt 21 close to the discharge port 3, and the driving element 10 is arranged on the supporting seat 8. The output end of the driving member 10 transmits power to the driving gear shaft 23 through the transmission device 11, and finally drives the driving gear shaft 23 to rotate, and the driven gear shaft 24 rotates along with the driving gear shaft, so that the conveying chain 22 drives the conveying belt 21 to rotate circularly.

Referring to fig. 4 and 5, the conveyor belt 21 includes a connecting bar 211 and a placing plate 212. Two ends of the connecting rod 211 are respectively connected with the two transportation chains 22, and the connecting rod 211 is horizontally arranged and is provided with a plurality of rods at equal intervals along the rotation track of the transportation chains 22.

The object placing plate 212 is a rectangular plate, and the object placing plate 212 is a flexible metal material product. The object placing plate 212 is also provided with a plurality of pieces, and the number of the object placing plates 212 is the same as that of the connecting rods 211. The two ends of the object placing plate 212 in the transportation direction are respectively connected with the two adjacent connecting rods 211, and the two ends of the object placing plate 212 perpendicular to the transportation direction are connected with the two transportation chains 22. The shelf 212 is provided with a plurality of water discharge holes 2121 for discharging water and impurities.

Referring to fig. 3, the supporting frame is composed of a plurality of supporting rods 4, a placing rod 5 and a stop rod 6. The plurality of support rods 4 are arranged along the vertical direction, and the plurality of support rods 4 are arranged on two sides of the conveying belt 21 at equal intervals along the conveying direction. The lower ends of the plurality of support rods 4 are fixedly connected with the bottom of the water storage tank 9, and the upper ends of the plurality of support rods 4 are fixedly connected with the stop lever 6.

The number of the stop levers 6 is two, the stop levers 6 are arranged in parallel with the upper half portion of the conveyor belt 21, and the stop levers 6 are located above the support rods 4. The bar 6 is also provided with a baffle 62, and the baffle 62 is arranged perpendicular to the conveyor belt 21. The upper end of the baffle plate 62 is connected with one side of the baffle rod 6 close to the conveyer belt 21, and the lower end of the baffle plate 62 and the upper half part of the conveyer belt 21 are positioned in the same plane and have a distance.

Referring to fig. 3 and 4, two placing rods 5 are also arranged, the two placing rods 5 are respectively and fixedly connected with one sides, close to the conveying belt 21, of the supporting rods 4 on the two sides, and the placing rods 5 are spaced from the bottom of the water storage tank 9. The placing rod 5 is arranged in parallel with the stop lever 6, and the placing rod 5 is positioned below the lower half part of the transportation chain 22 and has a distance in the vertical direction between the two. The placing rod 5 is provided with mounting seats 51 at positions close to the feed inlet 1 and the discharge outlet 3, and the driving gear shaft 23 and the driven gear shaft 24 are respectively mounted on the mounting seats 51 at corresponding positions.

Referring to fig. 2, the conveyor belt 21 has a transition region 27 thereon, the transition region 27 dividing the conveyor belt 21 into a horizontal segment 29 and an ascending segment 28. The conveyor belt 21 of the horizontal segment 29 is parallel to the horizontal plane and the conveyor belt 21 of the rising segment 28 is inclined upwards in the conveying direction.

Referring to fig. 2 and 4, the transportation device 2 is provided with four pressing assemblies 25 at the transition region 27, and the four pressing assemblies 25 are arranged on the two support rods 4 at two sides of the transition region 27. The hold-down assembly 25 includes a positioning rod 251 and a hold-down gear 252. Each support rod 4 is fixedly connected with two positioning rods 251, the positioning rods 251 are horizontally arranged, and the distance between the two positioning rods 251 on the same side in the vertical direction is equal to the distance between the upper end and the lower end of the conveying belt 21 in the vertical direction. One end of the positioning rod 251 is fixedly connected with the supporting rod 4, and the other end of the positioning rod 251 is rotatably connected with a pressing gear 252. The lower ends of the two pressing gears 252 on the same side are respectively engaged with the upper half part and the lower half part of the transportation chain 22 on the corresponding side, and after the pressing assembly 25 presses the transportation chain 22, the upper part and the lower part of the transportation chain 22 are kept parallel.

Referring to fig. 1 and 6, the flushing device 7 comprises a water inlet pipe 71 and a flushing pipe 72. The inlet pipe 71 is located above the bar 6 on the side of the rising section 28, and the inlet pipe 71 is arranged parallel to the transport direction of the rising section 28. The water inlet pipe 71 is provided with a water inlet 73, and a water supply switch 74 is further arranged at the water inlet 73. The water inlet 73 is connected to a water pipe, and then the water supply switch 74 is turned on to supply the washing water to the water inlet pipe 71 through the water pump.

The plurality of flushing pipes 72 are arranged at equal intervals along the length direction of the water inlet pipe 71, and the plurality of flushing pipes 72 are all horizontally arranged. The lower end of each flushing pipe 72 is provided with a nozzle 75, the spraying direction of the nozzle 75 being opposite to the conveyor belt 21. The plurality of nozzles 75 are provided at equal intervals along the length direction of the flushing pipes 72, and the positions of the nozzles 75 on two adjacent flushing pipes 72 are staggered relatively.

Referring to fig. 1, the upper ends of the blocking rods 6 on both sides of the ascending section 28 are provided with four pipe seats 61, the lower ends of the pipe seats 61 are in threaded connection with the blocking rods 6, and the upper ends of the pipe seats 61 are provided with connecting parts for the flushing pipes 72 to penetrate through.

The two flushing pipes 72 at the two ends of the water inlet pipe 71 are longer, the two flushing pipes 72 with longer lengths are fixedly connected with the pipe seats 61 at the corresponding positions, and the flushing device 7 is fixed on the ascending section 28 through the four pipe seats 61.

The implementation principle of the flushing machine for removing the impurities on the surfaces of the fruits in the embodiment of the application is as follows:

the fruit to be washed is conveyed to the conveyer belt 21 from the feeding hole 1 after passing through the previous process, the driving part 10 drives the conveyer chain 22 to drive the conveyer belt 21 to move, the fruit to be washed is uniformly laid on the horizontal section 29 and then enters the ascending section 28, the fruit to be washed is washed by the washing device 7 at the moment, the fruit is also washed after passing through the ascending section 28, and then the washed fruit is collected through the discharging hole 3 and then transferred to other equipment for the next process.

The water for washing in the washing process finally flows to the water storage tank 9, and when the sewage in the water storage tank 9 does not pass through the placing rod 5, the drainage switch 92 is opened and the sewage is collected, so that the subsequent sewage can be uniformly treated.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A rinsing machine for removing impurities on the surface of fruits is characterized by comprising:

a transportation device (2), the transportation device (2) comprising:

a conveyor belt (21), the conveyor belt (21) being for transporting fruit;

the fruit feeding device comprises a feeding hole (1), wherein the feeding hole (1) is formed in one end of a conveying belt (21), the feeding hole (1) is provided with a ramp structure which inclines downwards along the conveying direction, and the feeding hole (1) is used for pouring fruits onto the conveying belt (21);

the discharge port (3) is arranged at one end, far away from the feed port (1), of the conveying belt (21);

the washing machine further comprises a washing device (7), said washing device (7) comprising:

the washing pipes (72) are horizontally arranged, and a plurality of washing pipes (72) are arranged at equal intervals along the conveying direction;

the washing pipe (72) is arranged above the conveying belt (21), the washing pipe (72) is used for washing fruits on the conveying belt (21), and the conveying device (2) is further connected with a driving piece (10) used for providing power for the conveying device (2).

2. A washing machine for the removal of impurities from the surface of fruit according to claim 1, characterized in that said transport means (2) further comprise:

the driving gear shaft (23), the driving gear shaft (23) is horizontally arranged, gears (26) are arranged at two ends of the driving gear shaft (23), and one end of the driving gear shaft (23) is connected with the driving piece (10);

the driven gear shaft (24), the driven gear shaft (24) is parallel to the driving gear shaft (23), and gears (26) are arranged at two ends of the driven gear shaft (24);

the two conveying chains (22) are arranged, and the two conveying chains (22) are parallel to each other and are respectively meshed with gears (26) at two corresponding ends of the driving gear shaft (23) and the driven gear shaft (24);

the conveying belt (21) is arranged between the two conveying chains (22), the conveying belt (21) is connected with the two conveying chains (22), the driving gear shaft (23) and the gears (26) at the two ends of the driven gear shaft (24) are respectively located on two vertical surfaces, and the conveying belt (21) is arranged along the track of the conveying chains (22) to form a circulating conveying line.

3. A washing machine for the removal of impurities from the surface of fruits according to claim 2, characterized in that said conveyor belt (21) comprises:

the connecting rods (211) are horizontally arranged, two ends of each connecting rod (211) are respectively connected with the two conveying chains (22), and a plurality of connecting rods (211) are arranged at equal intervals along the track of each conveying chain (22);

the object placing plate (212), a plurality of water discharging holes (2121) for water supply and impurity discharge are distributed on the object placing plate (212);

the article placing plate (212) is connected with two adjacent connecting rods (211) respectively along two ends in the conveying direction, two ends, perpendicular to the conveying direction, of the article placing plate (212) are connected with two conveying chains (22) respectively, and the article placing plate (212) is a flexible metal material product.

4. A washing machine for the removal of impurities from the surface of fruit according to claim 3, further comprising:

a water storage tank (9), wherein the water storage tank (9) is used for collecting water and impurities discharged from the water discharge hole (2121);

the water storage tank (9) is located below the conveying belt (21), the tank walls on two sides of the water storage tank (9) are located on two sides of the conveying belt (21), and a water outlet (91) is formed in the bottom of the water storage tank (9).

5. A washing machine for the removal of impurities from the surface of fruit according to claim 2, characterized in that said transport means (2) further comprise:

the supporting rods (4) are vertically arranged on two sides of the conveying belt (21), and a plurality of supporting rods (4) are arranged at equal intervals along the conveying direction of the conveying belt (21);

the placing rod (5) is arranged in parallel to the conveying belt (21), and the placing rod (5) is fixedly connected with the supporting rod (4);

wherein, the lower extreme of bracing piece (4) is connected with the lower extreme cell wall of catch basin (9), there is the interval in vertical direction between the lower extreme cell wall of placing pole (5) and catch basin (9), place the below that pole (5) are located transportation chain (22), place pole (5) and transportation chain (22) and have the interval in vertical direction, it still is provided with on pole (5) and supplies driving gear shaft (23) and driven gear shaft (24) fixed mount pad (51).

6. A washing machine for removing impurities from the surface of fruits according to claim 5, characterized in that the supporting rod (4) is also connected with:

the baffle plates (62) are vertically arranged, and the two baffle plates (62) are arranged and are positioned at two ends of the conveying belt (21);

wherein the lower end surface of the baffle plate (62) is flush with the upper end surface of the conveying belt (21).

7. A washing machine for fruit surface impurity removal according to claim 6, characterized in that there is a transition area (27) on the conveyor belt (21), the transition area (27) dividing the conveyor belt (21) into a horizontal section (29) and an ascending section (28), the horizontal section (29) and the ascending section (28) being arranged in sequence along the conveying direction, the conveying device (2) further comprising:

a compacting assembly (25), the compacting assembly (25) for compacting a transport chain (22) of a transition region (27);

the hold-down assembly (25) comprises:

a positioning rod (251), the positioning rod (251) being horizontally disposed;

the pressing gear (252), the pressing gear (252) is connected with one end of the positioning rod (251) in a rotating mode;

the two sides of the transition region (27) are provided with support rods (4), the other ends of the positioning rods (251) are connected with the support rods (4), the support rods (4) are provided with the two positioning rods (251), the number of the pressing gears (252) is four, and the two pressing gears (252) located on the same side downwards press the conveying chain (22) on the same side and are respectively meshed with the upper end and the lower end of the conveying chain (22) on the same side.

8. A washing machine for the removal of impurities from the surface of fruit according to claim 7, characterized in that the baffles (62) on both sides of the rising section (28) are further provided with:

a tube seat (61), wherein the tube seat (61) is used for fixing the flushing tube (72);

one end of the pipe seat (61) is fixedly connected with the upper end of the baffle plate (62), and the other end of the pipe seat (61) is provided with a connecting part for fixing the flushing pipe (72).

9. A washing machine for the removal of impurities from the surface of fruit according to claim 8, characterized in that said washing pipe (72) is further provided with:

a plurality of nozzles (75), wherein the nozzles (75) are arranged at equal intervals along the length direction of the flushing pipe (72);

wherein the nozzles (75) on adjacent flushing pipes (72) are staggered in the transport direction.