CN112427310B

CN112427310B - Continuous screening and drying device for harvesting and threshing grains

Info

Publication number: CN112427310B
Application number: CN202011189619.3A
Authority: CN
Inventors: 董献华; 刘军兴
Original assignee: Jiangxi Liantian Agricultural Machinery Co ltd
Current assignee: Jiangxi Liantian Agricultural Machinery Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-11-16
Anticipated expiration: 2040-10-30
Also published as: CN112427310A

Abstract

The invention discloses a continuous screening and drying device for harvested and threshed grains, which comprises an outer shell, a material collecting box, a heating wire and a driven gear, wherein a feed inlet is welded above the outer shell, a material storage box is fixedly arranged on the upper side of the feed inlet, a discharge outlet is formed in the inner side of the material storage box, a mounting plate is arranged in the middle of the material storage box, a traction rope is connected to the upper side of the mounting plate, a fixed pulley is arranged above the material storage box, and the end part of the traction rope is connected with a connecting rod. This a continuity screening drying device for reaping threshing back cereal, whole device uses a driving source to drive promptly the motor, realizes screening, drying and the transport of cereal to can drive the swivel and drive the extension rod rotation, thereby the lug that control different position distributes removes the fixed plate, cooperates the use of extension rod and haulage rope, adjusts the position of mounting panel, and then adjusts the position of baffle, realizes the intermittent type nature ration unloading of cereal.

Description

Continuous screening and drying device for harvesting and threshing grains

Technical Field

The invention relates to the technical field of grain processing, in particular to a continuous screening and drying device for harvested and threshed grains.

Background

The grain is the traditional staple food of most Asian people, the main nutrient composition is starch, the grain comprises rice, wheat, millet, soybean and other coarse cereals, the grain is grain crops which people rely on to live, along with the development of the society, the scientific technology is continuously improved, the harvesting equipment of the grain is also continuously optimized and innovated, the functionality is also continuously increased, when the granular grain is harvested, the harvesting equipment can synchronously perform threshing treatment, and the inside of the threshed granular grain contains short stalks, sundries and the like, and needs to be separated, so that the purity of the grain is ensured.

However, the existing device for screening and drying grains cannot continuously complete screening and drying of grains, different procedures need to be performed respectively, the working labor intensity is increased, the environment-friendly concept of energy conservation and emission reduction in modern society cannot be complied with, grains cannot be rapidly separated under the condition that a screening mechanism is prevented from being blocked, the blanking amount of grains cannot be automatically controlled, and the operation convenience is low.

Therefore, we propose a continuous screening and drying device for harvesting threshed grains in order to solve the above-mentioned problems.

Disclosure of Invention

The invention aims to provide a continuous screening and drying device for harvested and threshed grains, and aims to solve the problems that the existing device for screening and drying grains in the market in the prior art cannot continuously screen and dry the grains, does not have an energy-saving effect, cannot rapidly separate the grains under the condition of avoiding blockage of a screening mechanism, and cannot automatically control the blanking amount of the grains.

In order to achieve the purpose, the invention provides the following technical scheme: a continuous screening and drying device for grain after harvesting and threshing comprises an outer shell, a material collecting box, a heating wire and a driven gear, wherein a feed inlet is welded on the upper portion of the outer shell, a material storage box is fixedly mounted on the upper side of the feed inlet, a discharge outlet is formed in the inner side of the material storage box, a mounting plate is arranged in the middle of the material storage box, a traction rope is connected to the upper side of the mounting plate, a fixed pulley is mounted above the material storage box, the end portion of the traction rope is connected with a connecting rod, a fixing plate is mounted on the lower side of the connecting rod, an inner screening cylinder is arranged inside the outer shell, a tooth block is mounted on the outer side of the upper end of the inner screening cylinder, a motor is fixed on the lower right side of the material storage box through a bolt, the output end of the motor is connected with a rotating rod, the outer side of the rotating rod is connected with a driving gear in a key mode, the outer side of the driving gear is connected with a rotating ring in a meshing mode, and a first limiting ring is welded on the lower side of the rotating ring, an extension rod is fixedly connected to the outer side of the rotating ring, a convex block is installed at the outer end of the extension rod, a second limiting ring is welded and connected to the inner side of the feed inlet, a scraper is installed on the outer side below the inner screening cylinder, a heat transfer plate is attached to the lower portion of the scraper, the heat transfer plate is fixedly installed on the inner side of the outer shell, the second limiting ring is connected to the inner side of the heat transfer plate, a coaming is installed on the lower side of the heat transfer plate, a heating wire is installed inside the heat transfer plate, a stirring rod is connected to a lower side bearing of the heat transfer plate, a driven gear is connected to the outer side of the upper end of the stirring rod in a key mode, a stirring blade is installed on the outer side below the stirring rod, a material guide plate is connected to the inner side of the inner screening cylinder, a blanking groove is formed in the material guide plate, a material collecting box is fixedly installed on the lower left side of the outer shell, a blanking port is formed in the lower side of the lower end of the inner screening cylinder, and the upper side welded connection of defeated flitch has the bracing piece, the upper end of bracing piece is installed the regulating plate, and the inboard of regulating plate is connected with the tooth piece.

Preferably, the depression section of the material conveying plate is of a circular ring structure, the vertical central line of the material conveying plate and the vertical central line of the inner screening cylinder are overlapped, and the main section of the material conveying plate is distributed in an inclined manner.

Preferably, the mounting panel includes baffle and spring, and the downside welded connection of mounting panel has the baffle to the side connection has the spring on the mounting panel, and the mounting panel passes through the spring and constitutes elastic construction with the storage case simultaneously.

Preferably, the position of baffle and the position of discharge gate correspond the setting each other, and the length and the height of baffle all are greater than the length and the height of discharge gate.

Preferably, the haulage rope continuity runs through 2 fixed pulleys and is connected with mounting panel and connecting rod respectively, and the connecting rod is sliding connection with the storage case.

Preferably, the depression section of the fixing plate is of an arc-shaped structure, the main section of the fixing plate is of a trapezoid structure, the contact part of the fixing plate and the bump is of a smooth arc-shaped structure, and the bump is distributed at equal angles relative to the central point of the rotating ring.

Preferably, the side wall of the inner screening cylinder is of a mesh structure, the mesh of the upper side wall of the inner screening cylinder is smaller than the mesh of the lower side wall of the inner screening cylinder, and the inner screening cylinder forms a rotating mechanism with the feed port and the heat transfer plate through a second limiting ring.

Preferably, the tooth blocks are respectively distributed at the joint of the rotating ring and the driving gear and the joint of the adjusting plate and the driven gear at equal intervals, the depression section of the adjusting plate is of a circular ring structure, and the outer diameter of the adjusting plate is smaller than the inner diameter of the outer shell.

Preferably, the heat transfer plate, the scraper and the adjusting plate are arranged in parallel, the main section of the heat transfer plate is of an inclined structure, and the depression section of the heat transfer plate is of a circular structure.

Compared with the prior art, the invention has the beneficial effects that: the continuous screening and drying device for harvesting and threshing grains,

(1) the screening and drying integrated mechanism consisting of the inner screening barrel, the heating wires and the heat transfer plates can realize synchronous screening and drying of grains, simplify the processing procedures of the grains and reduce the labor intensity, and can realize the comprehensive separation of small impurities and large impurities of the grains by utilizing the difference of the inner diameters of meshes of the upper side wall of the inner screening barrel and meshes of the lower side wall of the inner screening barrel, improve the screening purity of the grains, and can intensively transfer the separated small impurities by matching with the structural arrangement of the inclined scraping plates and the heat transfer plates, thereby facilitating the subsequent cleaning of the screening and drying device and improving the use convenience of the device;

(2) the feeding plate arranged outside the inner screening barrel synchronously rotates along with the inner screening barrel to convey grains falling onto the feeding plate, the feeding plate is matched with the adjusting plate to be used, the driven gear can be driven to rotate through the stirring rod, so that the stirring blades are controlled to rotate, the grains are stirred, the drying speed of the grains is accelerated, the grains are prevented from being accumulated and are not easy to dry, the drying time of the grains is prolonged, the grains can be automatically collected in a centralized manner by using the discharging ports distributed at proper positions, the convenience of the operation of the device is improved, and the auxiliary use by manpower is not needed;

(3) whole device uses a driving source to drive promptly the motor, realize the screening of cereal, drying and transport, and can drive the change and drive the extension rod rotation, thereby the lug that control different position distributes removes the fixed plate, the use of cooperation extension rod and haulage rope, adjust the position of mounting panel, and then adjust the position of baffle, realize the intermittent type nature ration unloading of cereal, avoid the cereal unloading too much and arouse the jam, accelerate cereal screening drying speed, and increase the energy-conserving efficiency of whole device.

Drawings

FIG. 1 is a schematic view of the main sectional structure of the present invention;

FIG. 2 is a schematic side sectional view of the present invention;

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

FIG. 4 is a schematic view of a main section structure of the storage box of the invention;

FIG. 5 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 6 is an enlarged view of the structure at B in FIG. 1 according to the present invention;

FIG. 7 is an enlarged view of the structure of FIG. 1 at C according to the present invention;

FIG. 8 is a schematic top view of a swivel according to the present invention;

FIG. 9 is a schematic view of a storage bin of the present invention in a top-down configuration;

FIG. 10 is a schematic top view of the inner screen cylinder of the present invention;

FIG. 11 is a schematic top view of the present invention;

FIG. 12 is a schematic top view of the connection between the adjusting plate and the driven gear;

fig. 13 is a front view of the fixing plate according to the present invention.

In the figure: 1. an outer housing; 2. a feed inlet; 3. a material collecting box; 4. a material storage box; 5. a discharge port; 6. a material conveying plate; 7. mounting a plate; 701. a baffle plate; 702. a spring; 8. a support bar; 9. a hauling rope; 10. a fixed pulley; 11. a connecting rod; 12. a fixing plate; 13. an inner screening cylinder; 14. a tooth block; 15. a driving gear; 16. a rotating rod; 17. a motor; 18. rotating the ring; 19. a first limit ring; 20. an extension rod; 21. a bump; 22. a second stop collar; 23. a squeegee; 24. a heat transfer plate; 25. heating wires; 26. enclosing plates; 27. a material guide plate; 28. a discharging groove; 29. a feeding port; 30. an adjusting plate; 31. a stirring rod; 32. stirring blades; 33. a driven gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-13, the present invention provides a technical solution: a continuous screening and drying device for grain after harvesting and threshing comprises an outer shell 1, a feeding hole 2, a collecting box 3, a storage box 4, a discharging hole 5, a material conveying plate 6, a mounting plate 7, a baffle 701, a spring 702, a support rod 8, a traction rope 9, a fixed pulley 10, a connecting rod 11, a fixing plate 12, an inner screening barrel 13, a toothed block 14, a driving gear 15, a rotating rod 16, a motor 17, a rotating ring 18, a first limiting ring 19, an extension rod 20, a lug 21, a second limiting ring 22, a scraping plate 23, a heat transfer plate 24, a heating wire 25, a coaming 26, a material guide plate 27, a discharging groove 28, a discharging hole 29, an adjusting plate 30, a stirring rod 31, a stirring blade 32 and a driven gear 33, wherein the feeding hole 2 is welded above the outer shell 1, the storage box 4 is fixedly mounted on the upper side of the feeding hole 2, the discharging hole 5 is formed in the inner side of the storage box 4, the mounting plate 7 is arranged in the middle of the storage box 4, the upper side of the mounting plate 7 is connected with a traction rope 9, a fixed pulley 10 is arranged above the storage box 4, the end part of the traction rope 9 is connected with a connecting rod 11, the lower side of the connecting rod 11 is provided with a fixed plate 12, the interior of the outer shell 1 is provided with an inner screening cylinder 13, the outer side of the upper end of the inner screening cylinder 13 is provided with a gear block 14, the right lower side of the storage box 4 is fixed with a motor 17 by a bolt, the output end of the motor 17 is connected with a rotating rod 16, the outer side of the rotating rod 16 is connected with a driving gear 15 in a key way, the outer side of the driving gear 15 is connected with a rotating ring 18 in a meshing way, the lower side of the rotating ring 18 is welded with a first limit ring 19, the outer side of the rotating ring 18 is fixedly connected with an extension rod 20, the outer end of the extension rod 20 is provided with a lug 21, the inner side of the feed inlet 2 is welded with a second limit ring 22, the outer side below the inner screening cylinder 13 is provided with a scraper 23, and the lower part of the scraper 23 is provided with a heat transfer plate 24 in a laminating way, 24 fixed mounting of heat transfer plate in the inboard of shell body 1, and 24 inboard of heat transfer plate is connected with second spacing ring 22, bounding wall 26 is installed to 24's the downside of heat transfer plate, heater strip 25 installs the inside at 24 of heat transfer plate, and 24's downside bearing is connected with puddler 31, driven gear 33 key-type connection is in the outside of puddler 31 upper end, and the outside of puddler 31 below installs stirring leaf 32, the inboard of interior screening section of thick bamboo 13 is connected with stock guide 27, and the unloading groove 28 has been seted up to the inside of stock guide 27, the left side below of collection case 3 fixed mounting at shell body 1, and shell body 1's left downside has seted up feed opening 29, defeated flitch 6 is installed in the outside of interior screening section of thick bamboo 13 lower extreme, and the top welded connection of defeated flitch 6 has bracing piece 8, regulating plate 30 is installed to the upper end of bracing piece 8, and the inboard of regulating plate 30 is connected with tooth piece 14.

The depression section of the material conveying plate 6 is of a circular ring structure, the vertical central line of the material conveying plate 6 and the vertical central line of the inner screening cylinder 13 are overlapped, and the main section of the material conveying plate 6 is distributed in an inclined shape, so that the material conveying plate 6 can smoothly rotate in the outer shell 1 along with the inner screening cylinder 13 to convey grains, and the subsequent grains can conveniently fall and be collected along the inclined material conveying plate 6 in a centralized manner;

the mounting plate 7 comprises a baffle 701 and a spring 702, the baffle 701 is welded and connected to the lower side surface of the mounting plate 7, the spring 702 is connected to the upper side surface of the mounting plate 7, and meanwhile the mounting plate 7 and the storage box 4 form an elastic structure through the spring 702, so that the position of the mounting plate 7 can be flexibly adjusted, the relative position between the baffle 701 and the discharge port 5 can be adjusted, and the grains can be quantitatively fed;

the position of the baffle 701 and the position of the discharge port 5 are arranged correspondingly, and the length and the height of the baffle 701 are both larger than those of the discharge port 5, so that the baffle 701 can smoothly enclose the discharge port 5, and grains are prevented from being discharged from the discharge port 5;

the traction rope 9 penetrates through the 2 fixed pulleys 10 continuously and is connected with the mounting plate 7 and the connecting rod 11 respectively, the connecting rod 11 is in sliding connection with the material storage box 4, the traction direction can be changed by the aid of the traction rope 9, linkage between the connecting rod 11 and the mounting plate 7 is achieved, and the mounting plate 7 is convenient to move;

the depression section of the fixed plate 12 is an arc-shaped structure, the main section of the fixed plate 12 is a trapezoid structure, the contact part of the fixed plate 12 and the lug 21 is a smooth arc-shaped structure, and the lug 21 is distributed at equal angles relative to the central point of the rotating ring 18, so that the lug 21 can be used for pressing the fixed plate 12 to control the fixed plate 12 to move, and the position of the connecting rod 11 can be adjusted;

the side wall of the inner screening cylinder 13 is of a mesh structure, meshes of the upper side wall of the inner screening cylinder 13 are smaller than meshes of the lower side wall of the inner screening cylinder 13, the feed inlet 2 and the heat transfer plate 24 form a rotating mechanism through a second limiting ring 22, and the design can screen grains by utilizing the rotating centrifugal force of the inner screening cylinder 13 and realize secondary screening of the grains;

the gear blocks 14 are respectively distributed at the joint of the rotating ring 18 and the driving gear 15 and the joint of the adjusting plate 30 and the driven gear 33 at equal intervals, the depression section of the adjusting plate 30 is of a circular ring structure, the outer diameter of the adjusting plate 30 is smaller than the inner diameter of the outer shell 1, the design can realize mutual linkage between the rotating ring 18 and the driving gear 15 and between the adjusting plate 30 and the driven gear 33, and synchronous driving of the internal structure of the whole device is realized;

the heat transfer plate 24, the scraper 23 and the adjusting plate 30 are arranged in parallel, the main section of the heat transfer plate 24 is of an inclined structure, and the depression section of the heat transfer plate 24 is of a circular structure, so that materials can be smoothly conveyed, heat is dissipated by the heat transfer plate 24, and drying treatment of grains is realized.

The working principle is as follows: when the continuous screening and drying device for harvested and threshed grains is used, firstly, a user stably places the whole device shown in fig. 1 in a working area, intensively conveys grains into the storage box 4, and controls the motor 17 to be externally connected with a power supply as shown in fig. 5, the motor 17 controls the rotating rod 16 connected with the output end to rotate, the rotating rod 16 drives the driving gear 15 to rotate clockwise as shown in fig. 8, the driving gear 15 drives the inner screening cylinder 13 connected with meshing to rotate anticlockwise and synchronously controls the rotating ring 18 connected with meshing to rotate clockwise, the rotating ring 18 drives the extension rod 20 arranged on the outer side to rotate, the extension rods 20 are distributed at equal intervals, and as shown in fig. 2, 8 and 13, the extension rod 20 drives the lug 21 to move to gradually contact with the fixed plate 12, the fixed plate 12 can be gradually pushed to move downwards, the fixed plate 12 synchronously pulls the connecting rod 11 to move downwards, the connecting rod 11 pulls the pulling rope 9 to move downwards, as shown in fig. 4, the pulling rope 9 synchronously pulls the mounting plate 7 to move upwards, the mounting plate 7 extrudes the spring 702, the baffle plate 701 moves upwards along with the mounting plate 7 to release the enclosure of the discharge port 5, at the moment, grains can enter the feed port 2 from the discharge port 5 and then enter the inner screening barrel 13, the extension rod 20 drives the bump 21 to gradually separate from the fixed plate 12, the extension rod 20 can stop driving the bump 21 to gradually move with the fixed plate 12, at the moment, the spring 702 can drive the mounting plate 7 to move downwards to reset, so that the baffle plate 701 is controlled to move downwards to reset, the discharge port 5 is enclosed, the blanking of the grains is stopped, and the automatic blanking of the grains is realized;

the grains entering the inner screening barrel 13 are screened by utilizing the centrifugal force when the inner screening barrel 13 rotates, the mesh at the upper end side wall of the inner screening barrel 13 is smaller than the mesh at the lower end inner wall of the inner screening barrel 13, the grains are separated by small impurities through the mesh at the upper end of the inner screening barrel 13, the small impurities enter the outer shell 1 along the mesh at the upper end of the inner screening barrel 13 and fall to the upper side edge of the heat transfer plate 24, the grains after the primary screening enter the lower end of the inner screening barrel 13 along the blanking groove 28 on the material guide plate 27, the secondary screening is carried out by utilizing the mesh at the lower end of the inner screening barrel 13, the grains enter the outer shell 1 along the mesh at the lower end of the inner screening barrel 13, and as shown in the combined drawings 1-2, 6 and 11, a baffle plate 26 is arranged at the position where the lower side of the heat transfer plate 24 is attached to the outer side surface of the inner screening barrel 13, so that the grains can enter the outer shell 1 from the opening at the right side of the baffle plate 26, smoothly fall into on defeated flitch 6, with heater strip 25 switch on, heater strip 25 begins work, dry cereal, defeated flitch 6 can be followed interior screening section of thick bamboo 13 and rotated, can carry the cereal that falls into on defeated flitch 6, simultaneously adjusting plate 30 follows defeated flitch 6 and rotates, driven gear 33 that drive meshing is connected rotates, thereby control puddler 31 drives stirring leaf 32 and rotates, turn over cereal, quick drying cereal, until the cereal after the drying carries the position of feed opening 29, alright get into collection box 3 along defeated flitch 6 of slope form and concentrate the collection, and subsequent cereal can be according to the above-mentioned step, the screening of continuity is dried, follow-up accessible interior screening section of thick bamboo 13 downside passes through the sealing door of hinge installation, the sealing door of hinge installation is passed through to the shell body 1 right side, collection box 3 right side carries out little impurity through the sealing door of hinge installation, The cleaning of the large impurities and the grains, while the small impurities on the upper side of the heat transfer plate 24 can drive the scraper 23 to rotate through the inner screening cylinder 13, so that the small impurities are concentrated at the sealing door for cleaning, which is the working process of the whole device, and the content which is not described in detail in the specification belongs to the prior art which is well known by the technicians in the field.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a continuity screening drying device for reaping behind threshing cereal, includes shell body (1), case (3), heater strip (25) and driven gear (33), its characterized in that: the upper side of the outer shell (1) is welded with the feed inlet (2), the upper side of the feed inlet (2) is fixedly provided with a storage box (4), the inner side of the storage box (4) is provided with a discharge outlet (5), the middle part of the storage box (4) is provided with a mounting plate (7), the upper side of the mounting plate (7) is connected with a traction rope (9), a fixed pulley (10) is installed above the storage box (4), the end part of the traction rope (9) is connected with a connecting rod (11), the lower side of the connecting rod (11) is provided with a fixed plate (12), the inner part of the outer shell (1) is provided with an inner screening cylinder (13), the outer side of the upper end of the inner screening cylinder (13) is provided with a toothed block (14), the right lower side of the storage box (4) is fixed with a motor (17) through a bolt, the output end of the motor (17) is connected with a rotating rod (16), the outer side of the rotating rod (16) is connected with a driving gear (15), and the outer side of the driving gear (15) is engaged and connected with a rotating ring (18), the lower side of the rotating ring (18) is welded and connected with a first limit ring (19), the outer side of the rotating ring (18) is fixedly connected with an extension rod (20), the outer end of the extension rod (20) is provided with a lug (21), the inner side of the feed inlet (2) is welded and connected with a second limit ring (22), the outer side of the lower part of the inner screening cylinder (13) is provided with a scraper (23), the lower part of the scraper (23) is provided with a heat transfer plate (24) in a fitting manner, the heat transfer plate (24) is fixedly arranged on the inner side of the outer shell (1), the inner side of the heat transfer plate (24) is connected with the second limit ring (22), the lower side of the heat transfer plate (24) is provided with a coaming (26), the heating wire (25) is arranged in the heat transfer plate (24), and the lower side bearing of the heat transfer plate (24) is connected with a stirring rod (31), driven gear (33) key-type connection is in the outside of puddler (31) upper end, and puddler (31) below the outside install stirring leaf (32), the inboard of interior screening section of thick bamboo (13) is connected with stock guide (27), and the inside of stock guide (27) has seted up down silo (28), the left side below of case body (1) is fixed to the case that gathers materials (3), and the left downside of case body (1) has seted up feed opening (29), defeated flitch (6) are installed in the outside of interior screening section of thick bamboo (13) lower extreme, and the top welded connection of defeated flitch (6) has bracing piece (8), regulating plate (30) are installed to the upper end of bracing piece (8), and the inboard of regulating plate (30) is connected with tooth piece (14), mounting panel (7) are including baffle (701) and spring (702), and the downside welded connection of mounting panel (7) has baffle (701), and the side of going up of mounting panel (7) is connected with spring (702), and mounting panel (7) pass through spring (702) simultaneously and constitute elastic construction with storage case (4), the section of bowing of defeated flitch (6) is ring shape structure, and the vertical central line of defeated flitch (6) and the vertical central line of interior screening section of thick bamboo (13) coincide each other to the main section of defeated flitch (6) is the distribution of slope form.

2. The continuous screening drying apparatus for harvesting threshed grain as claimed in claim 1, wherein: the position of baffle (701) and the position of discharge gate (5) correspond the setting each other, and the length and the height of baffle (701) all are greater than the length and the height of discharge gate (5).

3. The continuous screening drying apparatus for harvesting threshed grain as claimed in claim 1, wherein: haulage rope (9) continuity runs through 2 fixed pulley (10) and is connected with mounting panel (7) and connecting rod (11) respectively, and connecting rod (11) are sliding connection with storage case (4).

4. The continuous screening drying apparatus for harvesting threshed grain as claimed in claim 1, wherein: the depression section of the fixing plate (12) is of an arc-shaped structure, the main section of the fixing plate (12) is of a trapezoid structure, the contact part of the fixing plate (12) and the lug (21) is of a smooth arc-shaped structure, and the lug (21) is distributed in an equal angle mode about the center point of the rotating ring (18).

5. The continuous screening drying apparatus for harvesting threshed grain as claimed in claim 1, wherein: the lateral wall of interior screening section of thick bamboo (13) is mesh column structure, and the mesh of interior screening section of thick bamboo (13) upper side wall is lighter than the mesh of interior screening section of thick bamboo (13) lower lateral wall to interior screening section of thick bamboo (13) constitute slewing mechanism through second spacing ring (22) respectively with feed inlet (2) and heat transfer plate (24).

6. The continuous screening drying apparatus for harvesting threshed grain as claimed in claim 1, wherein: the tooth blocks (14) are respectively distributed at the joint of the rotating ring (18) and the driving gear (15) and the joint of the adjusting plate (30) and the driven gear (33) at equal intervals, the depression section of the adjusting plate (30) is of a circular ring structure, and the outer diameter of the adjusting plate (30) is smaller than the inner diameter of the outer shell (1).

7. The continuous screening drying apparatus for harvesting threshed grain as claimed in claim 1, wherein: the heat transfer plate (24), the scraper (23) and the adjusting plate (30) are arranged in parallel, the main section of the heat transfer plate (24) is of an inclined structure, and the cross section of the heat transfer plate (24) in a depression direction is of a circular structure.