CN113597882A

CN113597882A - Self-drying type rice harvesting equipment

Info

Publication number: CN113597882A
Application number: CN202110897964.0A
Authority: CN
Inventors: 张旭
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-05
Filing date: 2021-08-05
Publication date: 2021-11-05

Abstract

The invention relates to the field of rice harvesting and processing, in particular to self-drying rice harvesting equipment, which comprises a main body frame, wherein 4 wheels are arranged below the main body frame; the harvesting device is arranged on one side of the main body frame; the drying device is arranged inside the main body frame, and the output end of the harvesting device is connected with the drying device and used for drying the harvested grains; the screening device is arranged at one end, far away from the harvesting device, of the main body frame and is used for screening immature grains and mature grains after drying; collect the box, quantity sets up to two, and two are collected the box and are used for collecting the immature corn and the ripe corn that sieve out respectively. The rice harvester can complete most of rice harvesting work, avoids the problem of mildew caused by wet grains by the drying device, improves the quality and the storage time of the grains, realizes the screening function of the grains by the screening device, and improves the quality of the grains.

Description

Self-drying type rice harvesting equipment

Technical Field

The invention relates to the field of rice harvesting and processing, in particular to self-drying rice harvesting equipment.

Background

With the rapid development of science and technology in China and the attention degree on the aspect of agricultural production, more and more mechanical equipment is put into agricultural production, rice harvesting equipment is mechanical equipment which is frequently appeared in the existing agricultural production work, the rice harvesting equipment can complete the functions of harvesting, separating and temporary storage at one time, and great convenience is provided for the rapid development of agricultural production.

And present common rice harvesting equipment still has a few problems, because rice harvesting equipment self only possesses and reaps and pelletizes the function, consequently contain rice harvesting equipment under the condition of more moisture on the corn still can only reap it and the work of pelletization leads to the corn of storing to appear mouldy phenomenon, influences the save effect of corn to immature corn also can be mixed with ripe corn when carrying out the corn and store together, influences the whole quality of corn.

Disclosure of Invention

In order to solve the technical problem, a self-drying type rice harvesting device is provided.

In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:

a self-drying type rice harvesting device is characterized by comprising,

the main body frame is provided with 4 wheels below the main body frame, the tail end below the main body frame is provided with a drawer-shaped structure capable of placing articles, and the drawer-shaped structure is communicated with the inside of the main body frame;

the harvesting device is arranged on one side of the main body frame, the input end of the harvesting device faces the direction far away from the main body frame, and the output end of the harvesting device faces the inside of the main body frame;

the drying device is arranged inside the main body frame, and the output end of the harvesting device is connected with the drying device and used for drying the harvested grains;

the screening device is arranged at one end, far away from the harvesting device, in the main body frame and is connected with the drying device and used for screening immature grains and mature grains after the drying operation is finished;

collect the box, quantity sets up to two, places in the drawer column structure of main part frame, and two are collected the box and are used for collecting the immature corn and the ripe corn that sieve out respectively.

Preferably, the drying device includes, in combination,

the conveying mechanism is arranged below the inner part of the main body frame, the output end of the harvesting device is connected with the input end of the conveying mechanism, and the output end of the conveying mechanism is connected with the output end of the screening device;

the drying mechanism is arranged above the inside of the main body frame, the working end of the drying mechanism is arranged downwards, and the conveying mechanism and the screening device are both located in the working range of the drying mechanism.

Preferably, the transport mechanism comprises, in combination,

the conveying belt is provided with small through holes which only allow water to flow through and are uniformly arranged on the belt surface;

the number of the baffle supports is two, the two baffle supports are respectively arranged at two sides of the conveyor belt and fix the conveyor belt, and the bottom ends of the two baffle supports are fixed on the inner bottom end of the main body support;

and the servo motor is fixed on the baffle bracket on one side, and an output shaft of the servo motor is connected with one end of the conveying belt.

Preferably, the drying mechanism includes, in combination,

the air inlet fans are sequentially fixed at the top of the main body frame, the input ends of the three air inlet fans face upwards, and the output ends of the three air inlet fans face downwards;

the air inlet layer is integrally in a cuboid uncovered box shape, three first through holes corresponding to the three air inlet fans are formed in the main surface of the air inlet layer, and the unclosed end of the air inlet layer is fixed at the top end of the inner part of the main body frame;

the heating layer is integrally in a cuboid uncovered box shape, three second through holes corresponding to the three first through holes in position are formed in the main surface of the heating layer, two heat insulation baffles are arranged in the heating layer, the heating layer is divided into three sections by the two heat insulation baffles, and the unclosed end of the heating layer is fixed on one surface, far away from the air inlet fan, of the air inlet layer;

the air outlet layer is integrally in a cuboid plate shape, funnel-like third through holes are uniformly formed in the air outlet layer, and one surface of the air outlet layer, provided with the smaller end of the third through holes, is fixedly connected with one surface of the heating layer, far away from the air inlet fan;

the number of the heating wires is three, and the heating wires are respectively arranged in the three interlayers of the heating layer.

Preferably, three heating wires arranged in the heating layer release different heat respectively, so that the whole drying mechanism can output three hot air with different heat for drying, and the heat released by the three heating wires from the harvesting device to the screening device is reduced in sequence.

Preferably, the upward extending parts of the two baffle supports are higher than the conveying belt, and the upward extending parts of the two baffle supports and the conveying belt form a groove structure, so that grains cannot splash and fall off when the drying mechanism located above the conveying mechanism works.

Preferably, the screening device comprises, in combination,

the temporary storage box is integrally in a rectangular sleeve shape and is arranged on the inner bottom surface of the main body frame, the lower part of the temporary storage box is communicated with the drawer-shaped structure on the main body frame, and the upper part of the temporary storage box is arranged below the drying mechanism;

the blanking control mechanism is arranged at the middle position inside the temporary storage box;

and the screening mechanism is arranged in the temporary storage box and is positioned below the blanking control mechanism.

Preferably, one side of the temporary storage box close to the conveying mechanism is provided with a feeding through hole, the feeding through hole is arranged at the upper half part of the temporary storage box, two partition plates are arranged at the middle position of the temporary storage box and are separated by a certain distance, one side of the temporary storage box, which is provided with the feeding through hole, and the opposite side of the temporary storage box are respectively provided with a sliding groove and a sliding strip bulge, the sliding groove is positioned below the partition plates, the sliding strip bulge is positioned below the sliding groove, and the other opposite lower half part of the temporary storage box is respectively provided with a side through hole.

Preferably, the blanking control mechanism comprises a blanking control mechanism,

the sliding plates are in a convex long plate shape integrally, the number of the sliding plates is two, and the two sliding plates are arranged in the sliding groove of the temporary storage box in a sliding manner;

the number of the servo electric cylinders is four, every two servo electric cylinders are in one group, and the output ends of the two groups of servo electric cylinders are respectively connected with the two sliding plates.

Preferably, the screening mechanism comprises, in combination,

v type screening board, wholly be the V word form, it crosses the filtration pore with No. two to cross the filtration pore to evenly seted up one number respectively on two inclined plane boards of V type screening board, the outside setting of two inclined plane baffles is provided with a fixed arch respectively, the one end that fixed arch is close to V type screening board is the square form, the one end that V type screening board was kept away from to fixed arch is cylindric, two fixed bellied cylinder ends and the coaxial setting of side through-hole, the screening board spout that can cooperate the work with the draw runner arch is seted up to the both sides of V type screening board. (ii) a

The number of the springs is two, and the two springs are arranged on the cylindrical ends of the two fixing bulges;

and the output end of the vibrating motor is connected with the fixed bulge on the V-shaped screening plate.

Compared with the prior art, the invention has the beneficial effects that:

1. the drying mechanism is arranged in the main body frame, so that the drying performance of grains is ensured, the moisture and mildew phenomena possibly occurring on the grains during grain storage are avoided, and the grain storage time is prolonged.

2. The invention improves the whole quality of the grains by separately storing the immature grains and the mature grains in a mode of screening the grains by using the screening device.

The rice harvester can complete most of rice harvesting work, avoids the problem of mildew caused by wet grains by the drying device, improves the quality and the storage time of the grains, realizes the screening function of the grains by the screening device, and improves the quality of the grains.

Drawings

FIG. 1 is an overall perspective view of the present invention;

FIG. 2 is a cross-sectional view of the entirety of the present invention;

FIG. 3 is a schematic view of the internal structure of the present invention;

FIG. 4 is a perspective view of the transport mechanism of the present invention;

FIG. 5 is a cross-sectional view of the drying mechanism of the present invention;

FIG. 6 is a perspective view of a screening apparatus of the present invention;

FIG. 7 is a cross-sectional view of a screening apparatus of the present invention;

FIG. 8 is a cross-sectional view of the screening apparatus of the present invention;

FIG. 9 is a perspective view of the temporary storage container of the present invention;

FIG. 10 is a perspective view of the blanking control mechanism of the present invention;

FIG. 11 is a perspective view of the screening mechanism of the present invention;

fig. 12 is an overall rear view of the present invention.

The reference numbers in the figures are:

1-a main body frame;

2-harvesting means;

3-drying device; 3 a-a transport mechanism; 3a 1-conveyor belt; 3a 2-baffle holder; 3a 3-servomotor; 3a 4-small vias; 3 b-a drying mechanism; 3b 1-air intake fan; 3b 2-air intake layer; 3b 3-heating layer; 3b 4-gas out layer; 3b 5-heating wire; 3b 6-number one through hole; 3b 7-vias No. two; 3b 8-thermal barrier; 3b 9-through hole number three;

4-a screening device; 4 a-temporary storage tank; 4a 1-feed through; 4a 2-baffle; 4a 3-chute; 4a 4-slide protrusion; 4a 5-side vias; 4 b-a blanking control mechanism; 4b 1-skateboard; 4b 2-servo electric cylinder; 4 c-a screening mechanism; 4c 1-type V selection plate; 4c 2-spring; 4c 3-vibration motor; 4c 4-filtration pore number one; 4c 5-filtration pore number two; 4c 6-fixed protrusions; 4c 7-sieve plate chute;

5-collecting box.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

In order to solve the technical problem that moisture is contained in grains when the rice harvesting device is operated, referring to fig. 1 to 12, a self-drying type rice harvesting device includes,

the bicycle comprises a main body frame 1, a bicycle body and a bicycle wheel, wherein 4 wheels are arranged below the main body frame 1, a drawer-shaped structure capable of placing articles is arranged at the tail end below the main body frame 1, and the drawer-shaped structure is communicated with the inside of the main body frame 1;

the harvesting device 2 is arranged on one side of the main body frame 1, the input end of the harvesting device 2 faces the direction far away from the main body frame 1, and the output end of the harvesting device 2 faces the inside of the main body frame 1;

the drying device 3 is arranged inside the main body frame 1, and the output end of the harvesting device 2 is connected with the drying device 3 and used for drying harvested grains;

the screening device 4 is arranged at one end, far away from the harvesting device 2, in the main body frame 1, and the screening device 4 is connected with the drying device 3 and used for screening immature grains and mature grains after drying;

collect box 5, quantity sets up to two, places in the drawer column structure of main part frame 1, and two are collected box 5 and are used for collecting the immature corn and the ripe corn that sieve out respectively.

Rice harvesting apparatus work, the setting is along with moving the continuous rice reaping processing one-tenth corn of reaping apparatus 2 of 1 one side of main part frame and export it to being in the inside drying device 3 of main part frame, the corn that is sent to in the drying device 3 has got rid of self moisture after drying device 3's work, enter into sieving mechanism 4 afterwards, it divides for immature corn and ripe corn two kinds to have accomplished screening work in sieving mechanism 4, two kinds of corn fall into two respectively afterwards and collect and store in the box 5.

Further:

in order to solve the technical problem of removing water from grains, the following technical scheme is provided as shown in reference to fig. 2 to 5: the drying device 3 is comprised of a drying device,

the conveying mechanism 3a is arranged below the inner part of the main body frame 1, the output end of the harvesting device 2 is connected with the input end of the conveying mechanism 3a, and the output end of the conveying mechanism 3a is connected with the output end of the screening device 4;

and the drying mechanism 3b is arranged above the inside of the main body rack 1, the working end of the drying mechanism 3b is arranged downwards, and the conveying mechanism 3a and the screening device 4 are both positioned in the working range of the drying mechanism 3 b.

The corn that the processing of reaping apparatus 2 reaps finishes gets into and continuous transporting to sieving mechanism 4 under the effect of transport mechanism 3a from the input of transport mechanism 3a, and the moisture on the corn is constantly dried by the work of stoving mechanism 3b on the way of the corn transported, ensures that the corn supports to reach sieving mechanism 4 in self is in dry state to completion screening work that can be better leaves rice harvesting equipment and enters into and is stored in collecting box 5.

Further:

in order to solve the technical problem that the drying operation can be completed before grains are transported to the screening device 4, the following technical scheme is provided as shown in fig. 3 to 4: the transport means 3a comprise a number of,

the conveying belt 3a1 is provided with small through holes 3a4 which can only allow water to pass through;

the number of the baffle supports 3a2 is two, the two baffle supports 3a2 are respectively arranged at two sides of the conveyor belt 3a1 and fix the conveyor belt 3a1, and the bottom ends of the two baffle supports 3a2 are fixed at the inner bottom end of the main body support;

the servo motor 3a3 is fixed on the baffle bracket 3a2 at one side, and the output shaft of the servo motor 3a3 is connected with one end of the conveyor belt 3a 1.

The servo motor 3a3 works to drive the conveyor belt 3a1 to work, grains continuously move towards the output end under the transportation of the conveyor belt 3a1, the drying mechanism 3b arranged above the inside of the main body frame 1 continuously blows away moisture on the grains for drying in the transportation process, and part of the moisture leaves the conveying mechanism 3a along the small through holes 3a4 on the conveyor belt 3a1 so as not to be attached to the grains again, so that the working pressure of the drying mechanism 3b is reduced.

Further:

in order to solve the technical problem of how to dry grains, the following technical scheme is provided as shown in fig. 5: the drying mechanism 3b is comprised of,

the number of the air inlet fans 3b1 is three, the three air inlet fans 3b1 are sequentially fixed at the top of the main body frame 1, the input ends of the three air inlet fans 3b1 face upwards, and the output ends of the three air inlet fans 3b1 face downwards;

the air inlet layer 3b2 is integrally in the shape of a cuboid uncovered box, three first through holes 3b6 corresponding to the three air inlet fans 3b1 are formed in the main surface of the air inlet layer 3b2, and the unclosed end of the air inlet layer 3b2 is fixed to the top end of the inner part of the main body frame 1;

the heating layer 3b3 is integrally in the shape of a cuboid uncovered box, three second through holes 3b7 corresponding to the three first through holes 3b6 in position are formed in the main surface of the heating layer 3b3, two heat insulation baffles 3b8 are arranged in the heating layer 3b3, the heating layer 3b3 is divided into three sections by the two heat insulation baffles 3b8, and the unsealed end of the heating layer 3b3 is fixed on the surface, far away from the air inlet fan 3b1, of the air inlet layer 3b 2;

the air outlet layer 3b4 is integrally in a cuboid plate shape, funnel-like third through holes 3b9 are uniformly formed in the air outlet layer 3b4, and one surface of the air outlet layer 3b4, provided with the smaller end of the third through hole 3b9, is fixedly connected with one surface of the heating layer 3b3, far away from the air inlet fan 3b 1;

the number of the heating wires 3b5 is three, and the heating wires are respectively arranged in the three partition layers of the heating layer 3b 3.

The air inlet fan 3b1 pours external air into the air inlet layer 3b2, the air entering the air inlet layer 3b2 enters the heating layer 3b3 through the first through hole 3b6, is heated into hot air by heat released by the heating wire 3b5, and then enters the air outlet layer 3b4 through the second through hole 3b7, the hot air enters the transportation mechanism 3a through the funnel-like third through hole 3b9 of the air outlet layer 3b4 to dry grains, and the funnel-like hot air of the third through hole 3b9 can dry the grains orderly and efficiently.

Further:

in order to solve the technical problem of how to effectively and wastelessly perform the drying operation in the drying mechanism 3b, referring to fig. 5, the following technical solutions are provided:

the three heating wires 3b5 provided in the heating layer 3b3 release different amounts of heat respectively so that the whole drying mechanism 3b can output three different amounts of hot air for drying work, and the three heating wires 3b5 decrease in the order of heat release from the harvesting apparatus 2 to the sieving apparatus 4.

The air that enters into among the drying mechanism 3b leaves from drying mechanism 3b behind the different heater strip 3b5 of three release heat and carries out drying work to the cereal, the cereal that just enters into among the transport mechanism 3a at first receives high thermal hot-air and carries out quick drying action, receive the low temperature drying action of lower thermal hot-air in the place that is close to transport mechanism 3a output afterwards, the cereal that enters into among the screening mechanism 4c can guarantee the phenomenon that can not take place the adhesion when screening under the hot-air work of minimum heat.

Further:

in order to solve the technical problem that the phenomenon that grains splash and fall off during the operation of the drying mechanism 3b can occur, the following technical scheme is provided as shown in fig. 4:

the upward extending parts of the two baffle supports 3a2 are higher than the conveyor belt 3a1, and the upward extending parts of the two baffle supports 3a2 and the conveyor belt 3a1 form a groove-like structure, so that the grains can not splash and fall off when the drying mechanism 3b above the conveying mechanism 3a works.

The drying mechanism 3b located above the conveying mechanism 3a continuously blows hot air to the cereal grains to dry the cereal grains on the way that the conveying mechanism 3a conveys the cereal grains, the cereal grains are blown by the hot air to generate displacement, and the cereal grains can only move in the groove formed by the baffle supports 3a2 and the transmission belt due to the blocking effect of the two baffle supports 3a2, so that the moisture of the cereal grains is better removed when the phenomena such as material falling are avoided.

Further:

in order to solve the technical problem of how to screen immature grains and mature grains, the following technical solutions are provided as shown in fig. 6 to 10: the screening means 4 comprise a device for screening,

the temporary storage box 4a is integrally in a rectangular sleeve shape and is arranged on the inner bottom surface of the main body frame 1, the lower part of the temporary storage box 4a is communicated with a drawer-shaped structure on the main body frame 1, and the upper part of the temporary storage box 4a is arranged below the drying mechanism 3 b;

the blanking control mechanism 4b is arranged at the middle position inside the temporary storage box 4 a;

and a screening mechanism 4c disposed in the temporary storage tank 4a, the screening mechanism 4c being located below the blanking control mechanism 4 b.

The grains output from the transportation mechanism 3a come into the screening device 4, the grains are stored in a temporary storage box, and then enter the screening mechanism 4c in batches under the operation of the blanking control mechanism 4b for screening, and the grains are screened into an immature state and a mature state by the screening mechanism 4c, and leave the immature state and the mature state to fall into two collecting boxes 5 arranged at the bottom of the main body frame 1 respectively.

Further:

in order to solve the technical problem of how to cooperate with the blanking control mechanism 4b and the screening mechanism 4c in the temporary storage box 4a, the following technical solutions are provided as shown in fig. 6 to 10:

one side of the temporary storage box 4a close to the transportation mechanism 3a is provided with a feeding through hole 4a1, the feeding through hole 4a1 is arranged at the upper half part of the temporary storage box 4a, the middle part of the temporary storage box 4a is provided with two partition plates 4a2, the two partition plates 4a2 are at a certain distance, one side and the opposite side of the temporary storage box 4a provided with the feeding through hole 4a1 are respectively provided with a sliding groove 4a3 and a sliding strip protrusion 4a4, the sliding groove 4a3 is positioned below the partition plate 4a2, the sliding strip protrusion 4a4 is positioned below the sliding groove 4a3, and the other opposite lower half part of the temporary storage box 4a is respectively provided with a side through hole 4a 5.

The grains leaving the outlet of the transport means 3a are fed through the infeed opening 4a1 into the temporary storage container 4a, the grains being stored in the upper half of the temporary storage container 4a, whereafter the drop-off control means 4b are operated to cause the grains stored in the upper half of the temporary storage container 4a to enter the sifting means 4c in batches, the grains being separated into two types, unripe and ripe, by operation of the sifting means 4c into the collecting box 5.

Further:

in order to solve the technical problem of how to make the grains enter the screening mechanism 4c in batches, the following technical scheme is provided as shown in fig. 10: the blanking control mechanism 4b includes a blanking control mechanism,

two slide plates 4b1 each having a convex long plate shape and two slide plates 4b1 slidably disposed in the slide grooves 4a3 of the temporary storage container 4 a;

the number of the servo electric cylinders 4b2 is four, every two servo electric cylinders 4b2 form a group, and the output ends of the two groups of servo electric cylinders 4b2 are respectively connected with the two sliding plates 4b 1.

Initially, the two sliding plates 4b1 are closed to prevent the upper half of the temporary storage tank 4a from communicating with the lower half, grains are accumulated in the upper half of the temporary storage tank 4a, when the servo motor 3a3 operates to drive the two sliding plates 4b1 away from each other to communicate the upper half of the temporary storage tank 4a with the lower half, and a certain amount of grains enter the screening mechanism 4c and then the screening mechanism 4c starts to perform screening work on the grains.

Further:

in order to solve the technical problem of how to screen immature grains and mature grains, the following technical scheme is provided as shown in fig. 11: the screening means 4c is comprised of,

the V-shaped screening plate 4c1 is integrally in a V shape, a first filtering hole 4c4 and a second filtering hole 4c5 are respectively and uniformly formed in two inclined plane plates of the V-shaped screening plate 4c1, a fixing protrusion 4c6 is respectively arranged on the outer sides of the two inclined plane baffles, one end, close to the V-shaped screening plate 4c1, of the fixing protrusion 4c6 is in a square shape, one end, far away from the V-shaped screening plate 4c1, of the fixing protrusion 4c6 is in a cylindrical shape, the cylindrical ends of the two fixing protrusions 4c6 are coaxially arranged with the side through hole 4a5, and screening plate sliding grooves 4c7 which can work with the sliding strip protrusions 4a4 in a matched mode are formed in two sides of the V-shaped screening plate 4c 1. (ii) a

Two springs 4c2 provided in number, two springs 4c2 being provided on the cylindrical ends of the two fixing projections 4c 6;

and the output end of the vibration motor 4c3 is connected with a fixed bulge 4c6 on the V-shaped screening plate 4c 1.

The vibration motor 4c3 is operated to make the V-shaped sieving plate 4c1 connected with the output end sway left and right, grains stored in the V-shaped sieving plate 4c1 are firstly piled towards one end, then immature grains are separated from the first filtering hole 4c4, and mature grains are separated from the second filtering hole 4c5 when the V-shaped sieving plate moves towards the other end.

The working principle of the invention is as follows:

the method comprises the following steps: the main body frame moves to drive the harvesting device arranged on one side to move, and rice is continuously harvested by the harvesting device to be processed into grains which are sent into the conveying mechanism arranged inside the main body frame.

Step two: the grain that enters into in the transport mechanism is constantly transported to the sieving mechanism under transport mechanism's work, and the stoving mechanism who is located the transport mechanism top on the way of the transportation of grain is constantly to carrying out stoving work to the grain.

Step three: the grain after the drying treatment enters the screening device and is stored at the upper half part of the temporary storage box, and then the blanking control mechanism works to enable the grain to fall into the screening mechanism at the lower half part of the temporary storage box in a certain amount for screening.

Step four: the screening work has been accomplished to the cereal grain in screening mechanism, and immature cereal grain leaves respectively with ripe cereal grain from the main part frame and falls into to set up and store in two collection boxes of main part frame below.

The foregoing has described the general principles, principal features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A self-drying type rice harvesting device is characterized by comprising,

the bicycle wheel is characterized by comprising a main body frame (1), wherein 4 wheels are arranged below the main body frame (1), a drawer-shaped structure capable of placing articles is arranged at the tail end below the main body frame (1), and the drawer-shaped structure is communicated with the inside of the main body frame (1);

the harvesting device (2) is arranged on one side of the main body frame (1), the input end of the harvesting device (2) faces the direction far away from the main body frame (1), and the output end of the harvesting device (2) faces the inside of the main body frame (1);

the drying device (3) is arranged inside the main body rack (1), and the output end of the harvesting device (2) is connected with the drying device (3) and used for drying the harvested grains;

the screening device (4) is arranged at one end, far away from the harvesting device (2), of the interior of the main body rack (1), and the screening device (4) is connected with the drying device (3) and used for screening immature grains and mature grains after drying;

collect box (5), quantity sets up to two, places in the drawer column structure of main part frame (1), and two are collected box (5) and are used for collecting the immature corn and the ripe corn that sieve out respectively.

2. A self-drying rice harvesting apparatus according to claim 1, wherein the drying device (3) comprises,

the conveying mechanism (3 a) is arranged below the inner part of the main body frame (1), the output end of the harvesting device (2) is connected with the input end of the conveying mechanism (3 a), and the output end of the conveying mechanism (3 a) is connected with the output end of the screening device (4);

and the drying mechanism (3 b) is arranged above the inside of the main body rack (1), the working end of the drying mechanism (3 b) is arranged downwards, and the conveying mechanism (3 a) and the screening device (4) are both positioned in the working range of the drying mechanism (3 b).

3. A self-drying rice harvesting apparatus according to claim 2, wherein the transporting mechanism (3 a) comprises,

the conveying belt (3 a 1) is provided with small through holes (3 a 4) which can only allow water to pass through uniformly on the belt surface;

the number of the baffle supports (3 a 2) is two, the two baffle supports (3 a 2) are respectively arranged at two sides of the conveyor belt (3 a 1) and fix the conveyor belt (3 a 1), and the bottom ends of the two baffle supports (3 a 2) are fixed at the inner bottom end of the main body support;

and the servo motor (3 a 3) is fixed on the baffle bracket (3 a 2) at one side, and the output shaft of the servo motor (3 a 3) is connected with one end of the conveyor belt (3 a 1).

4. The self-drying type rice harvesting apparatus according to claim 2, wherein the drying mechanism (3 b) comprises,

the number of the air inlet fans (3 b 1) is three, the three air inlet fans (3 b 1) are sequentially fixed at the top of the main body frame (1), the input ends of the three air inlet fans (3 b 1) face upwards, and the output ends of the three air inlet fans (3 b 1) face downwards;

the air inlet layer (3 b 2) is integrally in the shape of a cuboid uncovered box, three first through holes (3 b 6) corresponding to the three air inlet fans (3 b 1) are formed in the main surface of the air inlet layer (3 b 2), and the unsealed end of the air inlet layer (3 b 2) is fixed at the top end of the inner part of the main body frame (1);

the heating layer (3 b 3) is integrally in the shape of a cuboid uncovered box, three second through holes (3 b 7) corresponding to the three first through holes (3 b 6) are formed in the main surface of the heating layer (3 b 3), two heat insulation baffles (3 b 8) are arranged in the heating layer (3 b 3), the heating layer (3 b 3) is divided into three sections by the two heat insulation baffles (3 b 8), and the unclosed end of the heating layer (3 b 3) is fixed on the surface, far away from the air inlet fan (3 b 1), of the air inlet layer (3 b 2);

the air outlet layer (3 b 4) is integrally in a cuboid plate shape, funnel-like third through holes (3 b 9) are uniformly formed in the air outlet layer (3 b 4), and one surface, provided with the smaller ends of the third through holes (3 b 9), of the air outlet layer (3 b 4) is fixedly connected with one surface, far away from the air inlet fan (3 b 1), of the heating layer (3 b 3);

the number of the heating wires (3 b 5) is three, and the heating wires are respectively arranged in the three partition layers of the heating layer (3 b 3).

5. The self-drying type rice harvesting apparatus according to claim 4,

three heating wires (3 b 5) arranged in the heating layer (3 b 3) respectively release different heat so that the whole drying mechanism (3 b) can output hot air with three different heats for drying work, and the three heating wires (3 b 5) sequentially reduce the heat released from the harvesting device (2) to the screening device (4).

6. The self-drying type rice harvesting apparatus according to claim 3,

the upward extending parts of the two baffle supports (3 a 2) are higher than the conveyor belt (3 a 1), and the upward extending parts of the two baffle supports (3 a 2) and the conveyor belt (3 a 1) form a groove-like structure so as to ensure that grains cannot splash and fall off when the drying mechanism (3 b) positioned above the conveying mechanism (3 a) works.

7. The self-drying type rice harvesting apparatus according to claim 1, wherein the screening device (4) comprises,

the temporary storage box (4 a) is integrally rectangular sleeve-shaped and is arranged on the inner bottom surface of the main body frame (1), the lower part of the temporary storage box (4 a) is communicated with a drawer-shaped structure on the main body frame (1), and the upper part of the temporary storage box (4 a) is arranged below the drying mechanism (3 b);

the blanking control mechanism (4 b) is arranged at the middle position inside the temporary storage box (4 a);

and a screening mechanism (4 c) which is arranged in the temporary storage box (4 a), wherein the screening mechanism (4 c) is positioned below the blanking control mechanism (4 b).

8. The self-drying type rice harvesting apparatus according to claim 7,

the temporary storage box (4 a) is provided with a feeding through hole (4 a 1) on one side close to the transportation mechanism (3 a), the feeding through hole (4 a 1) is arranged on the upper half part of the temporary storage box (4 a), two partition plates (4 a 2) are arranged in the middle of the temporary storage box (4 a), the two partition plates (4 a 2) are separated by a certain distance, one side and the opposite side of the temporary storage box (4 a) provided with the feeding through hole (4 a 1) are respectively provided with a sliding groove (4 a 3) and a sliding strip protrusion (4 a 4), the sliding groove (4 a 3) is positioned below the partition plate (4 a 2), the sliding strip protrusion (4 a 4) is positioned below the sliding groove (4 a 3), and the other opposite lower half part of the temporary storage box (4 a) is respectively provided with a side through hole (4 a 5).

9. The self-drying rice harvesting apparatus according to claim 7, wherein the blanking control mechanism (4 b) comprises,

two slide plates (4 b 1) which are in a convex long plate shape and are provided in number, wherein the two slide plates (4 b 1) are arranged in a sliding groove (4 a 3) of the temporary storage box (4 a) in a sliding way;

the number of the servo electric cylinders (4 b 2) is four, every two servo electric cylinders (4 b 2) form a group, and the output ends of the two groups of servo electric cylinders (4 b 2) are respectively connected with the two sliding plates (4 b 1).

10. A self-drying rice harvesting apparatus according to claim 7, wherein the sifting mechanism (4 c) comprises,

the V-shaped screening plate (4 c 1) is integrally in a V shape, a first filtering hole (4 c 4) and a second filtering hole (4 c 5) are respectively and uniformly formed in two inclined plane plates of the V-shaped screening plate (4 c 1), a fixing protrusion (4 c 6) is respectively arranged on the outer sides of two inclined plane baffles, one end, close to the V-shaped screening plate (4 c 1), of the fixing protrusion (4 c 6) is in a square shape, one end, far away from the V-shaped screening plate (4 c 1), of the fixing protrusion (4 c 6) is in a cylindrical shape, the cylindrical ends of the two fixing protrusions (4 c 6) and a side through hole (4 a 5) are coaxially arranged, and screening plate sliding grooves (4 c 7) capable of working in cooperation with the sliding strip protrusions (4 a 4) are formed in the two sides of the V-shaped screening plate (4 c 1);

two springs (4 c 2) provided in number, two springs (4 c 2) being provided on the cylindrical ends of the two fixing projections (4 c 6);

and the output end of the vibration motor (4 c 3) is connected with a fixed bulge (4 c 6) on the V-shaped screening plate (4 c 1).