CN112314161A

CN112314161A - Harvesting equipment with impurity removal function

Info

Publication number: CN112314161A
Application number: CN202011131849.4A
Authority: CN
Inventors: 张庆然
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-21
Filing date: 2020-10-21
Publication date: 2021-02-05

Abstract

The invention relates to harvesting equipment with an impurity removing function, which comprises a main body, a harvesting device, a filter screen, two running devices, an impurity removing mechanism and a heat radiating mechanism, wherein the impurity removing mechanism comprises an air suction pump, an air inlet pipe, a connecting pipe, a collecting box, a compression assembly and two sealing assemblies, the compression assembly comprises a pressing plate, a telescopic frame, a power unit, two moving blocks and two driving units, the driving units comprise a sliding block, a screw rod and a first bearing, the sealing assemblies comprise a sealing plate, a convex block, an elastic rope, a pull rope and a turntable, the heat radiating mechanism comprises a branch pipe and two cooling pipes, the harvesting equipment with the impurity removing function realizes the impurity removing function through the impurity removing mechanism, reduces the impurity content in grains, realizes the heat radiating function of a first motor through the heat radiating mechanism, avoids the first motor from being damaged due to overheating, and prolongs the service life of the first motor, thereby avoiding influencing the running of the equipment and not influencing the harvesting work.

Description

Harvesting equipment with impurity removal function

Technical Field

The invention relates to the field of agricultural product harvesting equipment, in particular to harvesting equipment with an impurity removing function.

Background

A harvesting machine refers to a harvesting machine that begins to perform several operations (e.g., harvesting and threshing) simultaneously during the harvesting process.

Present harvesting machine is at the during operation, it rotates in the field to rely on motor drive wheel usually, cause the motor to continue work, thereby the temperature that leads to the motor is higher, the influence has been caused to the life of motor, the probability of motor damage because of overheated has also been increased, thereby work of traveling to equipment causes the influence, thereby the work is reaped in the influence, moreover, present harvesting machine is when reaping the corn, contain more impurity in the corn, thereby need artificial follow-up carry out edulcoration work to the corn, the quality of reaping has been reduced, thereby greatly reduced present harvesting machine's practicality.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the harvesting equipment with the impurity removing function is provided.

The technical scheme adopted by the invention for solving the technical problems is as follows: a harvesting device with an impurity removing function comprises a main body, a harvesting device, a filter screen and two traveling devices, wherein the harvesting device is arranged on one side of the main body and is communicated with the top in the main body;

the impurity removing mechanism comprises an air extracting pump, an air inlet pipe, a connecting pipe, a collecting box, a compression assembly and two sealing assemblies, wherein the air extracting pump is fixed on one side of the main body close to the harvesting device and is communicated with the inside of the main body through the air inlet pipe;

the compression assembly comprises a pressing plate, a telescopic frame, a power unit, two moving blocks and two driving units, the power unit is arranged at the bottom in the collection box, the two driving units are respectively arranged at two sides in the collection box, the driving units correspond to the sealing assemblies one by one, the driving units are connected with the sealing assemblies, the pressing plate is horizontally arranged in the collection box, the pressing plate is hermetically connected with the inner wall of the collection box, a sliding groove is formed below the pressing plate, the moving blocks are arranged in the sliding groove, the moving blocks are matched with the sliding groove, the sliding groove is a dovetail groove, two sides of one end of the telescopic frame are respectively hinged with the two moving blocks, and two sides of the other end of the telescopic frame are respectively connected with the two driving units;

the driving unit comprises a sliding block, screw rods and a first bearing, the first bearing is fixed on the inner wall of the collecting box, round holes are formed in the two sides of the collecting box and correspond to the screw rods one to one, one end of each round hole is connected with the sealing assembly, the other end of each screw rod penetrates through the round holes to be arranged inside the collecting box, the other ends of the two screw rods are fixedly connected, the screw rods are fixedly connected with the inner ring of the first bearing, the sliding block is sleeved on the screw rods, threads matched with the screw rods are arranged at the connecting positions of the sliding block and the screw rods, and the power unit is connected with the other ends of the screw rods;

the sealing assembly comprises a sealing plate, a convex block, elastic ropes, pull ropes and a rotary plate, the lead screw is fixedly connected with the rotary plate, one end of each pull rope is wound on the rotary plate, small holes are formed in the two sides of the collecting box and correspond to the pull ropes one to one, the other end of each pull rope penetrates through the small holes to be fixedly connected with the sealing plate, the sealing plate abuts against the top of the collecting box, the convex block is fixed on one side, close to the pull ropes, below the sealing plate, one end of each elastic rope is fixedly connected with the corresponding convex block, and the other ends of the two elastic ropes;

the heat dissipation mechanism comprises a branch pipe and two cooling pipes, the air pump is communicated with one end of the branch pipe, the cooling pipes correspond to the first motors one by one, the other end of the branch pipe is communicated with the cooling pipes, the cooling pipes are wound on the first motors, and the peripheries of the cooling pipes are fixedly connected with the first motors.

Preferably, in order to realize the function of removing impurities, the heat dissipation mechanism further comprises an impurity removing net, and the impurity removing net is fixed inside the branch pipe.

Preferably, in order to limit the moving direction of the sealing plate, the sealing assembly further comprises a limiting block, the limiting block is fixed above the sealing plate, two grooves are formed in the top of the collecting box and correspond to the limiting block one to one, the limiting block is arranged inside the grooves and connected with the grooves in a sliding mode, and the limiting block is matched with the grooves.

Preferably, in order to avoid the separation of the limiting block and the groove, the groove is a dovetail groove.

Preferably, in order to guide the pull rope, the closing assembly further comprises a fixing rod fixed on the collecting box, and one end of the pull rope far away from the closing plate is connected with the rotary disc by bypassing the fixing rod.

Preferably, in order to drive the screw rod to rotate, the power unit comprises a second motor, a first gear and a second gear, the second motor is fixed inside the collecting box and is in transmission connection with the first gear, the second gear is fixed at the joint of the two screw rods, the first gear is meshed with the second gear, and the second motor is electrically connected with the PLC.

Preferably, in order to restrict the moving direction of the slider, the driving unit further comprises a strip-shaped rail fixed inside the collecting box, a strip-shaped groove is arranged above the strip-shaped rail, the slider is arranged inside the strip-shaped groove, and the slider is connected with the strip-shaped groove in a sliding manner.

Preferably, in order to improve the sealing performance when the sealing plate abuts against the sealing plate, the sealing assembly further comprises an air bag and a spring, the air bag is fixedly connected with one side of the sealing plate far away from the pull rope, and two ends of the spring are respectively connected with the inner walls of two sides of the air bag.

Preferably, the screw is coated with grease in order to make the slider move smoothly.

Preferably, in order to enable the second motor to work accurately and stably, the second motor is a servo motor.

The harvesting equipment with the impurity removing function has the advantages that the impurity removing function is realized through the impurity removing mechanism, the impurity content in grains is reduced, the harvesting quality is improved, compared with the existing impurity removing mechanism, the impurity removing mechanism can extrude fragments, the occupied space of the fragments is reduced, the utilization rate of a collecting box is improved, the practicability is higher, the heat radiating function of a first motor is realized through the heat radiating mechanism, the first motor is prevented from being damaged due to overheating, the service life of the first motor is prolonged, the influence on the running of the equipment is avoided, the harvesting work is not influenced, the reliability of the equipment is improved, compared with the existing heat radiating mechanism, the heat radiating mechanism and the impurity removing mechanism are integrated into a whole, impurity removal can be realized while the temperature reduction is realized, and the practicability of the equipment is improved.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic view of the construction of a harvesting apparatus having a trash removal function according to the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a schematic view of the trash removal mechanism of the harvesting apparatus with trash removal of the present invention;

FIG. 4 is a schematic view of a compression assembly of the harvesting apparatus with trash removal of the present invention;

FIG. 5 is an enlarged view of portion B of FIG. 4;

in the figure: 1. the harvester comprises a main body, 2 parts of a harvesting device, 3 parts of a first motor, 4 parts of wheels, 5 parts of a filter screen, 6 parts of an air pump, 7 parts of an air inlet pipe, 8 parts of a connecting pipe, 9 parts of a collecting box, 10 parts of a pressing plate, 11 parts of a moving block, 12 parts of an expansion bracket, 13 parts of a second motor, 14 parts of a first gear, 15 parts of a second gear, 16 parts of a screw rod, 17 parts of a sliding block, 18 parts of a rotating disc, 19 parts of a pull rope, 20 parts of a sealing plate, 21 parts of a lug, 22 parts of an elastic rope, 23 parts of an air bag, 24 parts of a spring, 25 parts of a limiting block, 26 parts of a strip-shaped track, 27 parts of a fixing.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

As shown in fig. 1, a harvesting device with an impurity removing function comprises a main body 1, a harvesting device 2, a filter screen 5 and two traveling devices, wherein the harvesting device 2 is arranged on one side of the main body 1, the harvesting device 2 is communicated with the top in the main body 1, the filter screen 5 is horizontally fixed in the main body 1, the two traveling devices are respectively arranged on two adjacent sides of the main body 1 and the harvesting device 2, the traveling devices comprise a first motor 3 and wheels 4, the first motor 3 is fixed on the main body 1, the first motor 3 is in transmission connection with the wheels 4, a PLC is arranged in the main body 1, the first motor 3 is electrically connected with the PLC, the harvesting device further comprises an impurity removing mechanism and a heat radiating mechanism, the impurity removing mechanism is arranged on the main body 1, and the impurity removing mechanism is connected with the heat radiating mechanism;

PLCs, i.e., programmable logic controllers, are generally used for the processing of data and the receipt and output of instructions for central control.

This equipment of reaping with edulcoration function passes through edulcoration mechanism, has realized the function of edulcoration, has reduced the miscellaneous volume that contains in the corn to improved the quality of reaping, and through heat dissipation mechanism, realized the radiating function of first motor 3, avoid first motor 3 overheated and damage, prolonged first motor 3's life, thereby avoid causing the influence to going of equipment, thereby can not influence the work of reaping, improved the reliability of equipment.

As shown in fig. 3-5, the impurity removing mechanism includes an air pump 6, an air inlet pipe 7, a connecting pipe 8, a collecting box 9, a compressing assembly and two sealing assemblies, the air pump 6 is fixed on one side of the main body 1 close to the harvesting device 2, the air pump 6 is communicated with the inside of the main body 1 through the air inlet pipe 7, the air inlet pipe 7 is arranged above the filter screen 5, one end of the connecting pipe 8 is communicated with the other side of the main body 1, the collecting box 9 is fixed on the other side of the main body 1, the other end of the connecting pipe 8 is communicated with the top inside of the collecting box 9, the compressing assembly is arranged at the bottom inside the collecting box 9, the two sealing assemblies are respectively arranged at two sides of the top inside the collecting box 9, the sealing assemblies are connected with the compressing assembly, and the air pump 6 is electrically connected with;

the compression assembly comprises a pressure plate 10, an expansion bracket 12, a power unit, two moving blocks 11 and two driving units, the power unit is arranged at the bottom in the collection box 9, the two driving units are respectively arranged at two sides in the collection box 9, the driving units correspond to the sealing assemblies one by one, the driving units are connected with the sealing assemblies, the pressure plate 10 is horizontally arranged in the collection box 9, the pressure plate 10 is hermetically connected with the inner wall of the collection box 9, a sliding groove is arranged below the pressure plate 10, the moving blocks 11 are arranged in the sliding groove, the moving blocks 11 are matched with the sliding groove, the moving blocks 11 are connected with the sliding groove in a sliding mode, the sliding groove is a dovetail groove, two sides of one end of the expansion bracket 12 are respectively hinged to the two moving blocks 11, and two sides of the other end of the expansion bracket 12 are respectively connected with the two driving units;

the driving unit comprises a sliding block 17, screw rods 16 and a first bearing, the first bearing is fixed on the inner wall of the collecting box 9, round holes are formed in two sides of the collecting box 9 and correspond to the screw rods 16 one to one, one end of each round hole is connected with the sealing assembly, the other end of each screw rod 16 penetrates through the round holes to be arranged inside the collecting box 9, the other ends of the two screw rods 16 are fixedly connected, the screw rods 16 are fixedly connected with the inner rings of the first bearing, the sliding block 17 is sleeved on the screw rods 16, threads matched with the screw rods 16 are arranged at the connecting positions of the sliding block 17 and the screw rods 16, and the power unit is connected with the other ends of the screw rods 16;

the sealing assembly comprises a sealing plate 20, a convex block 21, elastic ropes 22, a pull rope 19 and a rotary plate 18, the screw rod 16 is fixedly connected with the rotary plate 18, one end of the pull rope 19 is wound on the rotary plate 18, small holes are formed in the two sides of the collecting box 9 and correspond to the pull rope 19 one by one, the other end of the pull rope 19 penetrates through the small holes to be fixedly connected with the sealing plate 20, the sealing plate 20 abuts against the top in the collecting box 9, the convex block 21 is fixed on one side, close to the pull rope 19, below the sealing plate 20, of the elastic ropes 22, one end of each elastic rope 22 is fixedly connected with the convex block 21, and the other ends of;

when harvesting work is carried out, grains can be collected above the filter screen 5 in the main body 1 through the harvesting device 2, the air pump 6 is controlled to be started, outside air is led into the main body 1 through the air inlet pipe 7, the air blowing function is realized, light chips mixed in the grains are blown into the connecting pipe 8 and fall above the pressing plate 10 in the collecting box 9 through the connecting pipe 8, the function of removing impurities of the harvested grains is realized, the impurity content in the grains is reduced, the harvesting quality is improved, the power unit is controlled to work simultaneously, the screw rod 16 is rotated, the two sliding blocks 17 are driven to move towards the directions close to each other, the pressing plate 10 is moved upwards through the telescopic frame 12, the chips are extruded, the occupied space of the chips is reduced, the utilization rate of the collecting box 9 is improved, the practicability is higher, and when the screw rod 16 rotates, drive carousel 18 and rotate, lengthen stay cord 19, under the effect of the restoring force of elasticity rope 22 for two shrouding 20 move to the direction that is close to each other, make shrouding 20 block up connecting tube 8, thereby make the piece in the collection box 9 can not get into the inside of connecting tube 8 when being extruded, thereby can not influence the effect of compression.

As shown in fig. 1-2, the heat dissipation mechanism includes a branch pipe 29 and two cooling pipes 28, the air pump 6 is communicated with one end of the branch pipe 29, the cooling pipes 28 correspond to the first motors 3 one to one, the other ends of the branch pipes 29 are communicated with the cooling pipes 28, the cooling pipes 28 are wound on the first motors 3, and the peripheries of the cooling pipes 28 are fixedly connected with the first motors 3.

The air pump 6 works, can pass through the inside of branch pipe 29 suction main part 1 with the air in the cooling tube 28, thereby the atmospheric pressure in the cooling tube 28 has been reduced, the outside air of being convenient for gets into the inside of cooling tube 28, thereby the flow of air in the cooling tube 28 has been realized, thereby take away the heat on with first motor 3 through the air that flows, thereby the function of cooling for first motor 3 has been realized, avoid first motor 3 overheated and damage, the life of first motor 3 has been prolonged, thereby avoid causing the influence to the traveling of equipment, thereby can not influence the work of reaping, the reliability of equipment has been improved.

Preferably, in order to realize the function of removing impurities, the heat dissipation mechanism further comprises an impurity removing net 30, and the impurity removing net 30 is fixed inside the branch pipe 29.

Through edulcoration net 30, carry out edulcoration work to the air that gets into in the branch pipe 29 to reduced impurity and got into the inside probability of main part 1, realized the function of edulcoration, improved the practicality of equipment.

Preferably, in order to limit the moving direction of the sealing plate 20, the sealing assembly further includes a limiting block 25, the limiting block 25 is fixed above the sealing plate 20, two grooves are formed in the top of the collecting box 9, the grooves correspond to the limiting blocks 25 one to one, the limiting blocks 25 are arranged inside the grooves, the limiting blocks 25 are connected with the grooves in a sliding mode, and the limiting blocks 25 are matched with the grooves.

Preferably, to avoid the stopper 25 from being separated from the groove, the groove is a dovetail groove.

When the closing plate 20 moves, the limiting block 25 is driven to move along the groove, so that the moving direction of the closing plate 20 is limited, and the closing plate 20 is more stable when moving.

Preferably, the closure assembly further comprises a securing lever 27 for guiding the pull string 19, the securing lever 27 being secured to the magazine 9, and the end of the pull string 19 remote from the closure plate 20 being connected to the rotatable disk 18 by passing around the securing lever 27.

By providing the fixing rod 27, the function of guiding the pulling rope 19 is achieved, so that when the sliding blocks 17 move in the direction of approaching each other, the rotating disc 18 rotates to lengthen the pulling rope 19, and thus, under the action of the restoring force of the two elastic ropes 22, the chain closing plates 20 move in the direction of approaching each other.

Preferably, in order to drive the screw rods 16 to rotate, the power unit comprises a second motor 13, a first gear 14 and a second gear 15, the second motor 13 is fixed inside the collecting box 9, the second motor 13 is in transmission connection with the first gear 14, the second gear 15 is fixed at the joint of the two screw rods 16, the first gear 14 is meshed with the second gear 15, and the second motor 13 is electrically connected with the PLC.

When carrying out compression work, control second motor 13 starts, drive first gear 14 and rotate, through the meshing of first gear 14 with second gear 15, make second gear 15 rotate, thereby drive lead screw 16 and rotate, make two sliders 17 remove to the direction that is close to each other, thereby can drive clamp plate 10 through expansion bracket 12 and upwards remove, thereby extrude the piece, thereby reduced clastic occupation space, improved the utilization ratio of collecting box 9, the practicality is higher.

Preferably, in order to limit the moving direction of the sliding block 17, the driving unit further comprises a strip-shaped rail 26, the strip-shaped rail 26 is fixed inside the collecting box 9, a strip-shaped groove is arranged above the strip-shaped rail 26, the sliding block 17 is arranged inside the strip-shaped groove, and the sliding block 17 is connected with the strip-shaped groove in a sliding manner.

When the slider 17 moves, the slider 17 is driven to move along the strip-shaped groove, so that the slider 17 can not rotate when moving along the screw rod 16, and the stability of the slider 17 during moving is improved.

Preferably, in order to improve the sealing performance when the sealing plate 20 abuts against, the sealing assembly further comprises an air bag 23 and a spring 24, wherein the air bag 23 is fixedly connected with one side of the sealing plate 20 far away from the pull rope 19, and two ends of the spring 24 are respectively connected with the inner walls of two sides of the air bag 23.

Through the gasbag 23 that sets up, reduced two shrouding 20 and leaned on the clearance when leaning on to make the piece of collecting in the collection box 9 can not get into in the connecting tube 8 when being extrudeed, thereby promoted shrouding 20 and leaned on the leakproofness when leaning on.

Preferably, in order to make the slider 17 move smoothly, the screw rod 16 is coated with grease, so that the friction between the slider 17 and the screw rod 16 is reduced, and the slider 17 moves more smoothly along the screw rod 16.

Preferably, the second motor 13 is a servo motor in order to make the second motor 13 work accurately and stably.

When harvesting work is carried out, grains can be collected above the filter screen 5 in the main body 1 through the harvesting device 2, the air pump 6 is controlled to be started, outside air is led into the main body 1 through the air inlet pipe 7, the air blowing function is realized, light chips mixed in the grains are blown into the connecting pipe 8 and fall above the pressing plate 10 in the collecting box 9 through the connecting pipe 8, the function of removing impurities of the harvested grains is realized, the impurity content in the grains is reduced, the harvesting quality is improved, the power unit is controlled to work simultaneously, the screw rod 16 is rotated, the two sliding blocks 17 are driven to move towards the directions close to each other, the pressing plate 10 is moved upwards through the telescopic frame 12, the chips are extruded, the occupied space of the chips is reduced, the utilization rate of the collecting box 9 is improved, the practicability is higher, and when the screw rod 16 rotates, drive carousel 18 and rotate, lengthen stay cord 19, under the effect of the restoring force of elasticity rope 22 for two shrouding 20 move to the direction that is close to each other, make shrouding 20 block up connecting tube 8, thereby make the piece in the collection box 9 can not get into the inside of connecting tube 8 when being extruded, thereby can not influence the effect of compression. The air pump 6 works, can pass through the inside of branch pipe 29 suction main part 1 with the air in the cooling tube 28, thereby the atmospheric pressure in the cooling tube 28 has been reduced, the outside air of being convenient for gets into the inside of cooling tube 28, thereby the flow of air in the cooling tube 28 has been realized, thereby take away the heat on with first motor 3 through the air that flows, thereby the function of cooling for first motor 3 has been realized, avoid first motor 3 overheated and damage, the life of first motor 3 has been prolonged, thereby avoid causing the influence to the traveling of equipment, thereby can not influence the work of reaping, the reliability of equipment has been improved.

Compared with the prior art, this harvesting apparatus with edulcoration function passes through edulcoration mechanism, the function of edulcoration has been realized, impurity content in the corn has been reduced, thereby the quality of reaping has been improved, compare with current edulcoration mechanism, this edulcoration mechanism can also extrude the piece, thereby the clastic occupation space has been reduced, the utilization ratio of collecting box 9 has been improved, high in practicability, through heat dissipation mechanism, the radiating function to first motor 3 has been realized, avoid first motor 3 overheated and damage, the life of first motor 3 has been prolonged, thereby avoid causing the influence to the traveling of equipment, thereby can not influence the work of reaping, the reliability of equipment has been improved, compare with current heat dissipation mechanism, this heat dissipation mechanism and edulcoration mechanism be the link gear as an organic whole, can also realize the edulcoration when realizing the cooling, the practicality of equipment has been improved.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a harvesting equipment with edulcoration function, includes main part (1), reaping apparatus (2), filter screen (5) and two devices of traveling, reaping apparatus (2) set up the one side in main part (1), top intercommunication in reaping apparatus (2) and main part (1), filter screen (5) level is fixed in the inside of main part (1), and two devices of traveling set up respectively on the adjacent both sides with reaping apparatus (2) of main part (1), the device of traveling includes first motor (3) and wheel (4), first motor (3) are fixed on main part (1), first motor (3) are connected with wheel (4) transmission, the inside of main part (1) is equipped with PLC, first motor (3) are connected with the PLC electricity, its characterized in that still includes edulcoration mechanism and heat dissipation mechanism, edulcoration mechanism sets up on main part (1), the impurity removing mechanism is connected with the heat dissipation mechanism;

the impurity removing mechanism comprises an air extracting pump (6), an air inlet pipe (7), a connecting pipe (8), a collecting box (9), a compression assembly and two sealing assemblies, the air pump (6) is fixed on one side of the main body (1) close to the harvesting device (2), the air pump (6) is communicated with the interior of the main body (1) through an air inlet pipe (7), the air inlet pipe (7) is arranged above the filter screen (5), one end of the connecting pipe (8) is communicated with the other side of the main body (1), the collecting box (9) is fixed on the other side of the main body (1), the other end of the connecting pipe (8) is communicated with the top in the collecting box (9), the compression component is arranged at the bottom in the collection box (9), the two sealing components are respectively arranged at the two sides of the top in the collection box (9), the sealing assembly is connected with the compression assembly, and the air pump (6) is electrically connected with the PLC;

the compression assembly comprises a pressing plate (10), an expansion bracket (12), a power unit, two moving blocks (11) and two driving units, the power unit is arranged at the bottom in the collection box (9), the two driving units are respectively arranged at two sides in the collection box (9), the driving units correspond to the sealing assemblies one by one, the driving units are connected with the sealing assemblies, the pressing plate (10) is horizontally arranged in the collection box (9), the pressing plate (10) is hermetically connected with the inner wall of the collection box (9), a sliding groove is arranged below the pressing plate (10), the moving blocks (11) are arranged in the sliding groove, the moving blocks (11) are matched with the sliding groove, the moving blocks (11) are in sliding connection with the sliding groove, the sliding groove is a dovetail groove, two sides of one end of the expansion bracket (12) are respectively hinged with the two moving blocks (11), two sides of the other end of the telescopic frame (12) are respectively connected with two driving units;

the driving unit comprises a sliding block (17), screw rods (16) and first bearings, the first bearings are fixed on the inner wall of the collecting box (9), round holes are formed in the two sides of the collecting box (9), the round holes correspond to the screw rods (16) one to one, one ends of the round holes are connected with the sealing assembly, the other ends of the screw rods (16) penetrate through the round holes and are arranged inside the collecting box (9), the other ends of the two screw rods (16) are fixedly connected, the screw rods (16) are fixedly connected with the inner rings of the first bearings, the sliding block (17) is sleeved on the screw rods (16), threads matched with the screw rods (16) are arranged at the connecting positions of the sliding block (17) and the screw rods (16), and the power unit is connected with the other ends of the screw rods (16);

the sealing assembly comprises a sealing plate (20), a convex block (21), elastic ropes (22), a pull rope (19) and a rotary table (18), the screw rod (16) is fixedly connected with the rotary table (18), one end of the pull rope (19) is wound on the rotary table (18), small holes are formed in the two sides of the collecting box (9), the small holes correspond to the pull rope (19) one by one, the other end of the pull rope (19) penetrates through the small holes to be fixedly connected with the sealing plate (20), the sealing plate (20) abuts against the top in the collecting box (9), the convex block (21) is fixed on one side, close to the pull rope (19), below the sealing plate (20), one end of each elastic rope (22) is fixedly connected with the convex block (21), and the other ends of the two elastic ropes (22) are fixedly connected;

the heat dissipation mechanism comprises a branch pipe (29) and two cooling pipes (28), the one end of an air pump (6) and the one end of the branch pipe (29) are communicated, the cooling pipes (28) correspond to the first motor (3) one to one, the other end of the branch pipe (29) is communicated with the cooling pipes (28), the cooling pipes (28) are wound on the first motor (3), and the periphery of the cooling pipes (28) is fixedly connected with the first motor (3).

2. The harvesting apparatus with trash removal function of claim 1, wherein the heat dissipation mechanism further comprises a trash removal net (30), and the trash removal net (30) is fixed inside the branch pipe (29).

3. The harvesting device with the impurity removing function according to claim 1, wherein the sealing assembly further comprises a limiting block (25), the limiting block (25) is fixed above the sealing plate (20), two grooves are formed in the top of the collecting box (9), the grooves correspond to the limiting block (25) one by one, the limiting block (25) is arranged inside the grooves, the limiting block (25) is connected with the grooves in a sliding mode, and the limiting block (25) is matched with the grooves.

4. The harvesting device with impurity removal function as claimed in claim 3, wherein the groove is a dovetail groove.

5. The harvesting apparatus with impurity removing function according to claim 1, wherein the closing assembly further comprises a fixing rod (27), the fixing rod (27) is fixed on the collecting box (9), and one end of the pulling rope (19) far away from the closing plate (20) is connected with the rotary disc (18) by bypassing the fixing rod (27).

6. The harvesting device with impurity removing function according to claim 1, wherein the power unit comprises a second motor (13), a first gear (14) and a second gear (15), the second motor (13) is fixed inside the collecting box (9), the second motor (13) is in transmission connection with the first gear (14), the second gear (15) is fixed at the joint of the two screw rods (16), the first gear (14) is meshed with the second gear (15), and the second motor (13) is electrically connected with the PLC.

7. The harvesting device with impurity removing function according to claim 1, wherein the driving unit further comprises a strip-shaped rail (26), the strip-shaped rail (26) is fixed inside the collecting box (9), a strip-shaped groove is arranged above the strip-shaped rail (26), the sliding block (17) is arranged inside the strip-shaped groove, and the sliding block (17) is connected with the strip-shaped groove in a sliding manner.

8. The harvesting device with the impurity removing function according to claim 1, wherein the sealing assembly further comprises an air bag (23) and a spring (24), the air bag (23) is fixedly connected with one side of the sealing plate (20) far away from the pull rope (19), and two ends of the spring (24) are respectively connected with the inner walls of two sides of the air bag (23).

9. The harvesting apparatus with impurity removing function according to claim 1, wherein the screw (16) is coated with grease.

10. Harvesting device with trash removal according to claim 6, characterized in that the second motor (13) is a servo motor.