CN219965602U

CN219965602U - Adjustable fruit size sorting and foreign matter impurity removing device

Info

Publication number: CN219965602U
Application number: CN202321147569.1U
Authority: CN
Inventors: 李飞; 黄光银
Original assignee: Kunming University of Science and Technology
Current assignee: Kunming University of Science and Technology
Priority date: 2023-05-13
Filing date: 2023-05-13
Publication date: 2023-11-07
Anticipated expiration: 2033-05-13

Abstract

The utility model relates to an adjustable fruit size sorting and foreign matter impurity removing device, and belongs to the technical field of fruit sorting and impurity removing. Including feeding conveyer, feed arrangement, screen frame, fan combination, roller support, edulcoration mechanism, discharging device, the exit of feed conveyer corresponds with feeding device's entrance, and the entry end of screen frame corresponds with feeding device's discharge gate end, and fan combination, edulcoration mechanism are installed in feeding device's both sides relatively, and fan combination is connected with edulcoration mechanism, and the screen frame is installed on roller support, and the screen frame is equipped with the discharge gate of a plurality of equidimension, and the discharge gate of screen frame is connected with discharging device. The utility model can reduce the time required by the fruit in the sorting process, and simultaneously reduce the time for removing impurities in the fruit so as to improve the production efficiency of fruit sorting and impurity removal.

Description

Adjustable fruit size sorting and foreign matter impurity removing device

Technical Field

The utility model relates to an adjustable fruit size sorting and foreign matter impurity removing device, and belongs to the technical field of fruit sorting and impurity removing.

Background

The main reason is that the post-production treatment capacity of the fruits is low, the current research situation of the fruit sorting technology and the fruit sorting products at home and abroad and the scheme for removing foreign matters from the fruits are combined, and meanwhile, the sorting technology and the foreign matters removing development direction of the fruit sorting technology are provided for sorting different fruits according to different fruit types and different fruit sizes. However, sorting of various fruits and removal of fruit impurities are very time-consuming, so that the production efficiency is greatly improved, the requirement of impurities in the fruits can be removed, and the impurities can be perfectly collected and treated.

Disclosure of Invention

The utility model aims to solve the technical problem of providing an adjustable fruit size sorting and foreign matter impurity removing device, which can reduce the time required by fruits in the sorting process and simultaneously reduce the impurity removing time of the fruits so as to improve the production efficiency of fruit sorting and foreign matter impurity removing.

The technical scheme adopted by the utility model is as follows: fruit size letter sorting and foreign matter edulcoration device with adjustable, its characterized in that: including feeding conveyer, feed arrangement, screen frame, fan combination, roller support 29, edulcoration mechanism, discharging device, the exit of feed conveyer corresponds with feeding device's entrance, and the entry end of screen frame corresponds with feeding device's discharge gate end, and fan combination, edulcoration mechanism are installed in feeding device's both sides relatively, and fan combination is connected with edulcoration mechanism, and the screen frame is installed on roller support 29, and the screen frame is equipped with the discharge gate of a plurality of equidimension not, and the discharge gate of screen frame is connected with discharging device.

Specifically, the conveying device comprises an overhead conveying frame, an overhead conveying belt 21, a loading rail 22 and a conveying motor, wherein the overhead conveying belt 21 is arranged on the overhead conveying frame, an outlet of the loading rail 22 corresponds to the bottom of the overhead conveying belt 21, the overhead conveying belt 21 is driven by the conveying motor, and a top outlet of the overhead conveying belt 21 corresponds to an inlet end of the feeding device.

Specifically, feed arrangement include feeder hopper 19, regulating gate, fan combination includes fan support 17, fan 31, fan motor 32, wind energy transportation pipe 24, fan motor 32 is connected together and all installs in fan support 17 below with fan 31, fan 31 is connected with wind energy transportation pipe 24, edulcoration mechanism includes impurity collecting box 20, impurity transportation pipe 18, regulating gate installs the lower extreme at feeder hopper 19, the lower part of regulating gate is equipped with the connecting channel that the upper end was opened the door, the discharge gate end of connecting channel corresponds with the entry end of screen frame, the right side of connecting channel is connected with wind energy transportation pipe 24, the left side of connecting channel is connected with impurity transportation pipe 18, the end of impurity transportation pipe 18 is connected with impurity collecting box 20, impurity collecting box 20 is connected with fan 31.

Preferably, a filter screen 33 is disposed in the impurity collecting box 20.

Specifically, the screen body comprises an inner roller 9, an outer roller 15, a mandrel 13, a guide screw 11, an end cover 42 and a cylindrical two-pole reducer 8, wherein a plurality of inner rollers 9 are embedded in the same outer roller 15, two adjacent inner rollers 9 are connected through a flange, a plurality of holes are formed on the side walls of the inner roller 9 and the outer roller 15, the outer roller 15 is fixed on a roller bracket 29, the inner roller 9 can rotate in the outer roller 15 through an adjusting device, different discharging holes are formed between the inner roller 9 and the outer roller 15 through rotation, the left end and the right end of the outer roller 15 are respectively provided with the end cover 42, the guide screw 11 is fixedly arranged on the inner wall of the flange between the two adjacent inner rollers 9 and fixedly connected with the mandrel 13, the mandrel 13 passes through the center of the end cover 42, one end of the mandrel is fixedly arranged on a rolling bearing 43 on the right side of a roller bracket 29, the other end of the mandrel 13 is fixedly arranged on the rolling bearing 43 on the left side and is connected with a large belt wheel 28, a small belt wheel 26 is fixedly connected with the large belt 28 through a V belt 27, the small belt 26 is connected with the cylindrical two-pole reducer 8, the cylindrical two-pole reducer 8 is respectively arranged between the inner roller 9 and the outer roller 15, the cylindrical two-pole reducer 8 is fixedly connected with a motor driving bracket 36, and the cylindrical two-pole reducer is fixedly arranged on the roller bracket 29.

Preferentially, the outer wall of the inner roller 9 is attached to the inner wall of the outer roller 15, the outer roller 15 is inlaid through a U-shaped circular ring, the outer roller 15 is fixed to the periphery of the U-shaped circular ring, the inner roller 9 is directly clamped inside the U-shaped circular ring, an adjusting opening is formed in the side of each outer roller 15, the inner roller 9 in the adjusting opening is correspondingly provided with an adjusting opening, the positions of the inner rollers 9 can be directly adjusted from the outer rollers 15 by using bolts to fix the inner rollers 9 to rotate, and therefore the outer rollers 15 are fixed, and the inner rollers 9 move.

Preferably, the large pulley 28 and the small pulley 26 are peripherally provided with a pulley protective sleeve 6.

Specifically, the discharging device comprises a big bucket 12, a small bucket 14, side buckets 7, a mask 10, a supporting liquid wheel 30 and a conveying belt device which are respectively connected below the big bucket 12, the small bucket 14 and the side buckets 7, wherein the width of the big bucket 12 is larger than that of the small bucket 14, the mask 10 is fixed on the drum support 29 and is positioned above the small bucket 14 and the big bucket 12, the mask 10 comprises four enclosed side plates, the supporting liquid wheel 30 is arranged at two sides inside the drum support 29 and is close to the mask 10, the number of the inner drums 9 is four, the number of the small buckets 14 is two, the two inner drums 9 are fixed below the drum support 29 and correspond to the left-most inner drum 9 and the right-most inner drum 9, the two large buckets 12 are fixed on the same horizontal line with the small buckets 14 and correspond to the position below the middle two inner drums 9, and the side buckets 7 are arranged below the left-most inner drum support 29.

Specifically, the conveying belt device comprises a conveying belt support 1, a horizontal conveying belt 2, a conveying belt motor 3, a conveying belt wheel 4 and a conveying belt V belt 5, wherein the horizontal conveying belt 2 is arranged on the conveying belt support 1, the conveying belt wheel 4 is arranged at two ends of the horizontal conveying belt 2, the conveying belt motor 3 is connected with the conveying belt wheel 4, and the conveying belt wheels 4 at the two ends are connected through the conveying belt V belt 5.

Preferably, the belt wheel protecting sleeves 6 are arranged outside the power transmission belt 3, the belt wheel 4 and the belt V5.

The beneficial effects of the utility model are as follows: replaces the traditional impurity removing mode, shortens the impurity removing time to a great extent effectively, improves the production efficiency and saves the time and the production cost.

Drawings

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

FIG. 2 is a side view of FIG. 1;

FIG. 3 is a top view of FIG. 1;

FIG. 4 is a three-dimensional view of a fan assembly of the present utility model;

FIG. 5 is a three-dimensional view of the overhead transport of the present utility model;

FIG. 6 is a three-dimensional view of the horizontal transport apparatus of the present utility model;

FIG. 7 is an assembled three-dimensional view of the roller assembly of the present utility model;

FIG. 8 is a three-dimensional view of a cylinder of the present utility model;

fig. 9 is a front view of the drum device of the present utility model;

fig. 10 is a three view of the drum rotation of the present utility model.

In the figure: the device comprises a conveyor belt bracket-1, a horizontal conveyor belt-2, a conveyor belt motor-3, a conveyor belt pulley-4, a conveyor belt V belt-5, a belt pulley protective sleeve-6, a side bucket-7, a cylindrical two-stage reducer-8, an inner roller-9, a mask-10, a guide screw-11, a large bucket-12, a mandrel-13, a small bucket-14, an outer roller-15, a regulating foot-16, a fan bracket-17, an impurity conveying pipe-18, a feed hopper-19, an impurity collecting box-20, an overhead conveyor belt-21, a loading column-22, a flange IV-23, a wind energy conveying pipe-24, a bolt combination-25, a small belt pulley-26, a V belt-27, a large belt pulley-28, a roller bracket-29, a supporting liquid wheel-30, a fan-31, a fan motor-32, a filter screen-33, a flange V-34, a belt pulley protective sleeve-35, a roller motor bracket-36, a flange I-37, a flange III-39, a flange VI-40, a flange VI-41, an end cover-42, a rolling bearing 43.

Detailed Description

The utility model will be further elucidated with reference to the drawings and the specific embodiments.

Example 1: as shown in fig. 1-10, an adjustable fruit size sorting and foreign matter removing device is characterized in that: including feeding conveyer, feed arrangement, screen frame, fan combination, roller support 29, edulcoration mechanism, discharging device, the exit of feed conveyer corresponds with feeding device's entrance, and the entry end of screen frame corresponds with feeding device's discharge gate end, and fan combination, edulcoration mechanism are installed in feeding device's both sides relatively, and fan combination is connected with edulcoration mechanism, and the screen frame is installed on roller support 29, and the screen frame is equipped with the discharge gate of a plurality of equidimension not, and the discharge gate of screen frame is connected with discharging device.

Further, the conveying device comprises an overhead conveying frame, an overhead conveying belt 21, a loading rail 22 and a conveying motor, wherein the overhead conveying belt 21 is installed on the overhead conveying frame, an outlet of the loading rail 22 corresponds to the bottom of the overhead conveying belt 21, the overhead conveying belt 21 is driven by the conveying motor, and an outlet at the top of the overhead conveying belt 21 corresponds to an inlet end of the feeding device. The conveyer adopts the baffle conveyer belt to transport fruit upwards better, has prevented that fruit from appearing rolling down the condition when upwards transporting.

Further, feed arrangement include feeder hopper 19, regulating gate, fan combination includes fan support 17, fan 31, fan motor 32, wind energy transportation pipe 24, and fan motor 32 is connected together and is fixed in fan support 17 below through bolted connection's mode with fan 31, connects through the bolt, conveniently dismantles and makes up. The left side of the fan 31 is connected with the right side of the sundry collecting box through a flange plate IV 23, the right side of the fan 31 is connected with the wind energy conveying pipe 24 through a flange plate IV 23, the impurity removing mechanism comprises an impurity collecting box 20 and an impurity conveying pipe 18, an adjusting door is arranged at the lowest end of the feeding hopper 19 and is convenient to control feeding speed, a connecting channel with an upper end opening door is arranged at the lower part of the adjusting door, a discharge port end of the connecting channel corresponds to an inlet end of a screen body, the left side of the connecting channel is connected with the sundry conveying pipe 18 through a flange plate VII 41, the right side of the connecting channel is connected with the wind energy conveying pipe 24 through a flange plate VI 40, the tail end of the impurity conveying pipe 18 is connected with the impurity collecting box 20 through a flange plate V34, and the impurity collecting box 20 is connected with the fan 31. The roller device and the fan combination device are two devices, which can be used at the same time or one of them.

The fan 31 below the bracket is driven by the fan motor 32 to generate wind energy, the wind energy is transported to the upper connecting channel from the right wind energy transport pipe 24, then impurities are blown to the left impurity transport channel 18, the impurity transport channel 18 transports the impurities to the impurity collecting box 20 below, the inside of the impurity collecting box 20 is respectively provided with a filter screen 33 with through holes of different sizes, and the filter screen 33 is movable and replaceable, and the total number of the filter screens is three or more. The impurity collecting box 20 can be directly opened at the side, when impurities are collected to a certain extent, the filter screen 33 can be directly taken out through the side, then the impurities are removed, and after the impurities are removed, new wind energy is provided for the fan 31 in a clean wind energy mode, so that the whole circulating wind energy mechanism is formed.

Further, the screen body comprises an inner roller 9, an outer roller 15, a mandrel 13, a guide screw 11, an end cover 42 and a cylindrical two-pole reducer 8, wherein a plurality of inner rollers 9 are embedded in the same outer roller 15, two adjacent inner rollers 9 are connected through a flange, a plurality of holes are formed on the side walls of the inner roller 9 and the outer roller 15, the outer roller 15 is fixed on a roller bracket 29, the inner roller 9 can rotate in the outer roller 15 through an adjusting device, different discharging holes are formed between the inner roller 9 and the outer roller 15 through rotation, the left end and the right end of the outer roller 15 are respectively provided with the end cover 42, the guide screw 11 is fixedly arranged on the inner wall of the flange I37, the flange II 38 and the flange III 39 and fixedly connected with the mandrel 13, the mandrel 13 penetrates through the center of the end cover 42, one end of the mandrel is fixedly arranged on a rolling bearing 43 on the right side of the roller bracket 29, the other end of the mandrel is fixedly arranged on the rolling bearing 43 on the left side and is connected with a large belt pulley 28, the small belt 26 is fixedly connected with the large belt 28 through a V belt 27, the small belt 26 is connected with the cylindrical two-pole reducer 8, a motor 8 is fixedly arranged on the cylindrical two-pole reducer 8, a motor drive bracket 36 is fixedly arranged on the cylindrical two-pole reducer 8, and a driving roller is fixedly arranged on the roller bracket 29.

After the cylindrical two-pole speed reducer 8 is assembled, a bolt assembly 27 consisting of hexagonal nut gaskets and outer hexagonal bolts is connected and fixed on a roller bracket 29. The small belt wheel 26 is fixed on the output shaft of the uniform speed cylindrical double-pole reducer 8 in a bolt connection mode, the large belt wheel 28 is connected with the mandrel 13 in a bolt connection mode, the cylindrical double-pole reducer 8 applies power to rotate, and the small belt wheel 26 and the large belt wheel 28 are connected to drive the whole roller to rotate. The rotary speed of the screen body can be reduced by using the cylindrical secondary speed reducer 8, so that the fruit sorting is more beneficial, the quality of the fruits can be better ensured, and the cylindrical secondary speed reducer 8 is detached and replaced more conveniently by using a bolt connection mode.

As shown in fig. 1-3, two adjacent inner rollers 9 are respectively connected with each other from left to right through a flange I37, a flange II 38 and a flange III 39. The strengthening rib is connected between ring flange and interior cylinder 9, and the strengthening rib is used for strengthening whole screen frame, guarantees that interior cylinder 9 can not warp during rotatory, makes the screen frame more durable. The connected roller, the flange I37, the flange II 38, the flange III 39 and the guide screw 11 are fixed on the mandrel 13 through screw holes in the flange I37, the flange II 38 and the flange III 39, and finally the mandrel 13 rotates to drive the whole roller combination to roll. The left and right ends of the roller combination are respectively provided with a fixed end cover 42, the two ends of the mandrel 13 pass through the center of the end covers 42 and are connected with the cylindrical two-pole speed reducer 8 through a rolling bearing 43, the large belt pulley 28 is connected with the mandrel 13, the small belt pulley 26 is connected with the large belt pulley 28 through a V belt 27, and the side hopper 7 is arranged below the leftmost side of the roller bracket 29. The cylinder combination adopts four sections connected modes, and the distribution has the hole that the size is the same on every section cylinder combination, and the cylinder is two-layer altogether, divide into interior cylinder 9 and outer cylinder 15, and outer cylinder 15 is fixed cylinder, and interior cylinder 9 is movable cylinder, and interior cylinder 9 is inlayed inside outer cylinder 15, and interior cylinder 9 can be adjusted through the adjustment district on outer cylinder 15 right side to the big aperture of different cylinders is changed, in order to reach the purpose of the different size fruits of cylinder letter sorting.

Further, the outer wall of the inner roller 9 is attached to the inner wall of the outer roller 15, the outer roller 15 is inlaid through a U-shaped circular ring, the outer roller 15 is fixed to the periphery of the U-shaped circular ring, the inner roller 9 is directly clamped inside the U-shaped circular ring, an adjusting opening is formed in the side of each outer roller 15, the inner roller 9 in the adjusting opening is correspondingly provided with an adjusting opening, the positions of the inner rollers 9 can be directly adjusted from the outer rollers 15 by using bolts to fix the inner rollers 9 to rotate, and therefore the outer rollers 15 are fixed, and the inner rollers 9 move.

Further, the peripheries of the large belt pulley 28 and the small belt pulley 26 are provided with belt pulley protecting sleeves 6 for protecting the large belt pulley 28 and the small belt pulley 26.

Further, the discharging device comprises a big bucket 12, a small bucket 14, a side bucket 7, a mask 10, a supporting liquid wheel 30 and a conveying belt device which are arranged on a roller support 29 and are respectively connected below the big bucket 12, the small bucket 14 and the side bucket 7, the width of the big bucket 12 is larger than that of the small bucket 14, the mask 10 is fixed on the roller support 29 and is positioned above the small bucket 14 and the big bucket 12, the mask 10 comprises four enclosed side plates, the supporting liquid wheel 30 is welded at the positions, close to the lower parts of the plugs, of the two sides inside the roller support 29, and the weight of the whole roller is supported and the roller is driven to rotate. The number of the inner rollers 9 is four, the number of the small hoppers 14 is two, the small hoppers 12 are also two, the small hoppers are fixed below the roller support 29 and correspond to the lower parts of the leftmost inner rollers 9 and the rightmost inner rollers 9, the large hoppers 12 are fixed on the same horizontal line with the small hoppers 14 and correspond to the lower parts of the middle two inner rollers 9, and the side hoppers 7 are connected and arranged below the leftmost inner rollers of the roller support 29 in a welded mode, so that fruits which cannot be screened by the collecting rollers can be conveniently collected. The large pulley 28 is mounted outside the screen to prevent unnecessary contamination of the fruit by the lubricating oil.

Further, the conveying belt device comprises a conveying belt support 1, a horizontal conveying belt 2, a conveying belt motor 3, a conveying belt wheel 4 and a conveying belt V belt 5, wherein the horizontal conveying belt 2 is arranged on the conveying belt support 1, the conveying belt wheel 4 is arranged at two ends of the horizontal conveying belt 2, the conveying belt motor 3 is connected with the conveying belt wheel 4, and the conveying belt wheels 4 at two ends are connected through the conveying belt V belt 5.

Further, the V-belt protective sleeve 6 is arranged outside the power transmission belt 3, the conveyer belt pulley 4 and the conveyer belt V-belt 5.

The height adjusting feet 16 are arranged at the bottom of the roller bracket 29, and the height of the whole equipment can be adjusted to be the same level, so that the incomplete sorting of fruits caused by the inclination of the screen body is avoided.

The guide screw 11 is fixed inside the roller, and the roller is driven to rotate through the mandrel 13, and meanwhile, the guide screw 11 is driven. End covers 42 are fixed at the left end and the right end of the whole roller, the two ends of the mandrel 13 penetrate through the center of the end covers 42 and are connected with the fixed roller support 29 through rolling bearings 43, so that the mandrel 13 can drive the whole roller system when rotating, the working efficiency is greatly improved when the whole roller system works, and the abrasion degree of the two ends of the mandrel 13 in the rotating process is reduced.

The right part of the fan assembly is directly connected with an overhead conveying belt device, and the overhead conveying belt drives a belt wheel to drive the whole conveying belt to drive by a motor below. A loading rail 22 is arranged below the overhead conveyer belt 21, and fruits can be directly poured into the whole loading rail 22. The loading part not only can ensure the efficiency of fruit loading, but also can effectively and quickly convey the fruits from the conveying belt to the middle of the feed inlet, thereby saving the loading time and ensuring the quality of the fruits.

The roller driving motor transmits power from the motor output shaft to the cylindrical secondary speed reducer 8 through gear anastomosis, and the output shaft of the cylindrical secondary speed reducer 8 transmits power to the mandrel 13 through belt transmission, so that the whole screen body is driven to rotate. The whole screen body is driven to rotate by the V belt 27 to realize the whole conveying process of fruits from the right overhead conveyer belt 21 to the feed inlet, then to the inside of the screen body and finally to the side hopper 7. The guide spiral 11 arranged in the sieve body can continuously convey fruits outwards when rotating, so that the phenomenon of fruit jam is avoided. The screen body comprises parts such as cylinder and strengthening rib, avoids damaging fruit in the conveying process.

Further, horizontal conveying belts are arranged below the big hopper 12 and the small hopper 14, so that fruits below the horizontal conveying belts can be ensured more conveniently, and after sorting, post-equipment can be directly carried out.

Further, the embedding manner is adopted between the inner roller 9 and the outer roller 15, so that the inner roller 9 can be more conveniently rotated and adjusted under the condition that the outer roller 15 is not moved. At the right end of the outer drum 15, an adjusting port is formed, the inner drum 9 can be directly rotated by adopting bolts through the adjusting port, and a certain dislocation is formed by adjusting the holes on the inner drum 9 and the holes on the outer drum 15, so that the size of the sorting fruit holes is changed, and fruits fall out of new holes formed by the inner drum 15 and the outer drum 15 and then directly fall into a hopper below. The roller combination is formed by combining four different rollers, the size of the hole of each roller is adjustable, and the size of the hole of each roller from right to left is generally adjusted from small to large. The rollers are connected through the flange plates, the rolling bearings 43 at the two ends of the mandrel 13 are fixed on the roller support 29 through bolt connection, the roller driving motor is installed on the roller support 29 through bolt connection, and the bolt connection is convenient to detach, replace and maintain. The roller motor bracket 36 and the roller bracket 29 are connected in a welding mode, so that the two brackets are tightly connected together, and the problem that the brackets are loosened due to vibration in the working process, thereby causing safety accidents, is avoided.

Further, the right-angle bottom of the bracket of the drum bracket 29 is installed with a height adjustment angle.

Further, the combination of the overhead transport conveyor, the horizontal transport conveyor, the whole roller and the blower are individual, and can be used singly or in multiple applications.

The working principle of the utility model is that after all the equipment is started after the assembly is completed, fruits are poured into the loading columns 22 of the rightmost overhead conveyer belt 21, then are conveyed upwards through the overhead conveyer belt to enter the feeding hopper 19 and enter the connecting channel, when the fruits pass through the connecting channel, some slight impurities such as branches, leaves and dust are blown into the left impurity conveying pipe 18 by the wind energy of the right wind energy conveying pipe 24 through the lower fan 31, then are brought into the lower impurity collecting box 20, filtered by the filter screen 33, and then are manually taken out for cleaning. The fruits directly enter the right side of the roller from the discharging hole of the connecting channel, are uniformly distributed along the width of the screen surface, then enter the screen body inside the roller, and are gradually conveyed to the left end of the screen body towards the right end of the screen body under the rotation of the guide screw 11, at the moment, the fruits can fall from a funnel from small to large from right to left to the lower under the round hole size regulated by the roller in advance, finally fall onto a lower horizontal conveying conveyor belt, and are conveyed into a collecting box by the horizontal conveying conveyor belt. The largest fruit in the sieve will be discharged from the left side hopper 7 and transported by the conveyor. The whole fruit impurity removing process and the screening process are completed.

While the present utility model has been described in detail with reference to the drawings, the present utility model is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present utility model within the knowledge of those skilled in the art.

Claims

1. Fruit size letter sorting and foreign matter edulcoration device with adjustable, its characterized in that: including feeding conveyer, feed arrangement, screen frame, fan combination, cylinder support (29), edulcoration mechanism, discharging device, the exit of feed conveyer corresponds with feeding device's entrance, and the entry end of screen frame corresponds with feeding device's discharge gate end, and fan combination, edulcoration mechanism are installed in feeding device's both sides relatively, and fan combination is connected with edulcoration mechanism, and the screen frame is installed on cylinder support (29), and the screen frame is equipped with the discharge opening of a plurality of equidimension, and the discharge opening of screen frame is connected with discharging device.

2. The adjustable fruit size sorting and foreign matter removal device of claim 1, wherein: the conveying device comprises an overhead conveying frame, an overhead conveying belt (21), a loading rail (22) and a conveying motor, wherein the overhead conveying belt (21) is arranged on the overhead conveying frame, an outlet of the loading rail (22) corresponds to the bottom of the overhead conveying belt (21), the overhead conveying belt (21) is driven by the conveying motor, and a top outlet of the overhead conveying belt (21) corresponds to an inlet end of the feeding device.

3. The adjustable fruit size sorting and foreign matter removal device of claim 1, wherein: the feeding device comprises a feeding hopper (19) and an adjusting door, wherein a fan assembly comprises a fan support (17), a fan (31), a fan motor (32) and a wind energy transportation pipe (24), the fan motor (32) is connected with the fan (31) and is arranged below the fan support (17), the fan (31) is connected with the wind energy transportation pipe (24), the impurity removing mechanism comprises an impurity collecting box (20) and an impurity transportation pipe (18), the adjusting door is arranged at the bottommost end of the feeding hopper (19), a connecting channel with an upper opening door is arranged at the lower part of the adjusting door, the discharge port end of the connecting channel corresponds to the inlet end of the screen body, the right side of the connecting channel is connected with the wind energy transportation pipe (24), the left side of the connecting channel is connected with the impurity transportation pipe (18), the tail end of the impurity transportation pipe (18) is connected with the impurity collecting box (20), and the impurity collecting box (20) is connected with the fan (31).

4. An adjustable fruit size sorting and foreign matter removal apparatus as claimed in claim 3, wherein: a filter screen (33) is arranged in the impurity collecting box (20).

5. The adjustable fruit size sorting and foreign matter removal device of claim 1, wherein: the screen body comprises an inner roller (9), an outer roller (15), a mandrel (13), a guide screw (11), an end cover (42) and a cylindrical two-pole speed reducer (8), wherein a plurality of inner rollers (9) are embedded in the same outer roller (15), two adjacent inner rollers (9) are connected through a flange plate, the inner rollers (9) and the side walls of the outer rollers (15) are respectively provided with a plurality of holes, the outer rollers (15) are fixed on a roller bracket (29), the inner rollers (9) can rotate in the outer rollers (15) through an adjusting device, the inner rollers (9) and the outer rollers (15) form discharge holes with different sizes through rotation, the left end and the right end of each outer roller (15) are respectively provided with an end cover (42), the guide screw (11) is fixedly arranged on the inner wall of the flange plate between two adjacent inner rollers (9) and fixedly connected with the mandrel (13), the mandrel (13) penetrates through the center of the end cover (42), one end of each mandrel is fixedly arranged on a rolling bearing (43) on the right side of the roller bracket (29), the other end of the mandrel is fixedly arranged on the left rolling bearing (43), the other end of the left rolling bearing (43) is fixedly arranged on the left side, the left rolling bearing (43) is connected with a large belt pulley (26) and a small belt pulley (26) is connected with the small belt pulley (28) through the small belt pulley (28) and the small belt pulley (28) is connected with the small belt pulley (28), the cylindrical two-pole speed reducer (8) is connected with a roller driving motor, the roller driving motor is arranged on a roller motor bracket (36), and the roller motor bracket (36) is fixed on a roller bracket (29).

6. The adjustable fruit size sorting and impurity removing device according to claim 5, wherein: the outer wall of interior cylinder (9) and the inner wall of outer cylinder (15) paste mutually, and both inlay through the U-shaped ring, outer cylinder (15) are fixed with U-shaped ring periphery, and interior cylinder (9) then directly block inside the U-shaped ring, and the side of every outer cylinder (15) all has an adjustment mouth, and the inside interior cylinder (9) of adjustment mouth also corresponds has the adjustment mouth, rotates through using bolt fastening interior cylinder (9) and can directly follow the position of outer cylinder (15) regulation interior cylinder (9) to realize outer cylinder (15) motionless, interior cylinder (9) activity.

7. The adjustable fruit size sorting and impurity removing device according to claim 5, wherein: and the peripheries of the large belt pulley (28) and the small belt pulley (26) are provided with belt pulley protective sleeves (6).

8. The adjustable fruit size sorting and foreign matter removal device of claim 1, wherein: the discharging device comprises a big bucket (12), a small bucket (14), side buckets (7), a mask (10), supporting liquid wheels (30) and conveying belt devices which are arranged on a roller support (29) and are respectively connected to the big bucket (12), the small bucket (14) and the conveying belt devices below the side buckets (7), the width of the big bucket (12) is larger than that of the small bucket (14), the mask (10) is fixed on the roller support (29) and is located above the small bucket (14) and the big bucket (12), the mask (10) comprises four enclosed side plates, the supporting liquid wheels (30) are arranged at the positions, close to the mask (10), of the two sides inside the roller support (29), the number of the inner rollers (9) is four, the number of the small buckets (14) is two, the number of the inner rollers (12) which are fixed below the roller support (29) and correspond to the left-most side and right-most inner rollers (9), the two large buckets (12) are also fixed on the same horizontal line with the small buckets (14) and correspond to the positions of the two inner rollers (9) which are arranged below the left-most side roller support (29).

9. The adjustable fruit size sorting and impurity removing device according to claim 8, wherein: the conveying belt device comprises a conveying belt support (1), a horizontal conveying belt (2), a conveying belt motor (3), a conveying belt wheel (4) and a conveying belt V belt (5), wherein the horizontal conveying belt (2) is arranged on the conveying belt support (1), the conveying belt wheel (4) is arranged at two ends of the horizontal conveying belt (2), the conveying belt motor (3) is connected with the conveying belt wheel (4), and the conveying belt wheels (4) at two ends are connected through the conveying belt V belt (5).

10. The adjustable fruit size sorting and impurity removing device according to claim 9, wherein: the belt wheel protective sleeve (6) is arranged outside the power transmission belt (3), the belt wheel (4) of the conveyer belt and the V-shaped conveyer belt (5).