Grain drying equipment with dust and impurity removal functions

Abstract

The grain drying equipment comprises a bottom frame, a supporting column is fixedly installed on the surface of one side of the bottom frame, a hopper is fixedly installed at one end of the supporting column, a first sliding rod is slidably installed on the surface of the outer side of the hopper, and a sieve tray is fixedly installed at one end of the first sliding rod; a side plate is fixedly mounted on the outer side surface of the sieve tray, a fixing rod is fixedly mounted on the surface of one side of the side plate, a portal frame is slidably mounted on the outer side surface of the fixing rod, a first motor is fixedly mounted on the surface of one side of the side plate, and a lead screw is fixedly mounted at the output end of the first motor; a first bevel gear is fixedly installed at one end of the lead screw, a first shaft seat is fixedly installed on the surface of the outer side of the sieve tray, a first rotating shaft is rotatably installed on the inner side of the first shaft seat, and a second bevel gear is fixedly installed at one end of the first rotating shaft. The grain drying device has the beneficial effects that the structure is reasonable, grain drying is facilitated, and the dust and impurity removing effect is good.

Description

Technical Field

[0001] The invention relates to the technical field of grain drying, in particular to grain drying equipment with dust and impurity removal functions. Background Art

[0003] In order to prevent the grain from getting moldy, it is necessary to use drying equipment to dry it. Since impurities and dust will be mixed in the grain during the harvesting process, the grain needs to be screened before drying to screen out the impurities and dust to ensure the quality of the grain. However, the existing drying device does not have a screening function and needs to use additional screening equipment to operate, which makes the operation more inconvenient and the steps more complicated. In addition, during the grain drying process, the existing drying equipment does not have a stirring function, which makes the grain at the bottom heated unevenly. If the drying time is increased, the grain on the outside is likely to be over-dried and the time consumed is longer. If the drying time is short, the grain on the outside has been dried while the grain on the inside has not been dried, resulting in a poor grain drying effect. Summary of the invention

[0004] The purpose of the present invention is to solve the problem that in order to prevent grains from getting moldy, it is necessary to use a drying device to dry them. Since impurities and dust will be mixed in the grains during the harvesting process, the grains need to be screened before drying to screen out the impurities and dust to ensure the quality of the grains. However, the existing drying devices do not have a screening function and require additional screening equipment to operate, which makes the operation inconvenient and the steps complicated. In addition, during the drying process of the grains, the existing drying equipment does not have a stirring function, which makes the grains at the bottom heated unevenly. If the drying time is increased, the grains on the outside are easily over-dried and the time consumed is long. If the drying time is short, the grains on the outside will be dried while the grains on the inside will not be dried, resulting in a poor drying effect of the grains. A grain drying device with dust and impurity removal functions is proposed.

[0005] The purpose of the present invention can be achieved by the following technical solutions:

[0006] A grain drying device with dust and impurity removal functions comprises a base frame, a support column is fixedly installed on one side surface of the base frame, a hopper is fixedly installed on one end of the support column, a sliding rod is slidably installed on the outer surface of the hopper, a sieve plate is fixedly installed on one end of the sliding rod, a side plate is fixedly installed on the outer surface of the sieve plate, a fixing rod is fixedly installed on one side surface of the side plate, a gantry is slidably installed on the outer surface of the fixing rod, a motor is fixedly installed on one side surface of the side plate, and a screw rod is fixedly installed on the output end of the motor One end of the screw rod is fixedly installed with a bevel gear 1, the outer surface of the sieve plate is fixedly installed with a shaft seat 1, the inner side of the shaft seat 1 is rotatably installed with a rotating shaft 1, one end of the rotating shaft 1 is fixedly installed with a bevel gear 2, one end of the rotating shaft 1 is fixedly installed with a crankshaft, the outer surface of the crankshaft is rotatably installed with a connecting rod, one side surface of the gantry is provided with a through groove, the inner surface of the through groove is rotatably installed with a rotating shaft 2, the outer surface of the rotating shaft 2 is fixedly installed with a transmission gear, one side surface of the sieve plate is fixedly installed with a rack, and the rotating shaft 2 A bevel gear three is fixedly installed on the upper end of the gantry, an axle seat two is fixedly installed on one side surface of the gantry, a rotating shaft three is rotatably installed on the inner side of the axle seat two, a bevel gear four is fixedly installed on one end of the rotating shaft three, a rotating disk is fixedly installed on one end of the rotating shaft three, a limiting rod is rotatably installed on one side surface of the rotating disk, a sliding rod two is slidably installed on one side surface of the gantry, a limiting plate is fixedly installed on the upper end of the sliding rod two, a limiting groove is provided on one side surface of the limiting plate, a fixing plate is fixedly installed on the lower end of the sliding rod two, and one side of the fixing plate A bucket is fixedly mounted on the side surface, a telescopic rod is fixedly mounted on one side surface of the fixed plate, a heating tube is fixedly mounted on the inner surface of the sieve plate, a guide roller is rotatably mounted on one side surface of the base frame, a roller is slidably mounted on the outer surface of the guide roller, a slide groove is provided on the outer surface of the roller, a motor 2 is fixedly mounted on one side surface of the base frame, a belt pulley is fixedly mounted on the output end of the motor 2, a belt is provided on the outer side of the belt pulley, a screen is fixedly mounted on the inner surface of the roller, and a baffle is fixedly mounted on the inner surface of the roller.

[0007] As a preferred embodiment of the present invention, eight sliding rods are symmetrically arranged, the sieve plate is fixedly installed on one end of the eight sliding rods, four fixed rods are symmetrically arranged, and the gantry is slidably installed on the outer surfaces of the four fixed rods.

[0008] As a preferred embodiment of the present invention, one end of the screw rod away from the motor passes through the side plate on one side and is rotatably mounted on a side surface of the side plate on the other side, and the screw rod is threadedly connected to the gantry.

[0009] As a preferred embodiment of the present invention, two bevel gears are symmetrically arranged, and two bevel gears are meshed with each other. The screw rod and shaft 1 are in a synchronous rotation structure, and the end of the connecting rod away from the crankshaft is rotatably installed on one side surface of the hopper.

[0010] As a preferred embodiment of the present invention, the rotating shaft 2, the transmission gear and the bevel gear 3 are all located on the same vertical axis, the transmission gear and the rack are meshed with each other, the bevel gear 3 and the bevel gear 4 are meshed with each other, and the rotating shaft 3, the bevel gear 4 and the turntable are all located on the same horizontal axis.

[0011] As a preferred embodiment of the present invention, the limit rod is slidably installed in the limit groove, both sides of the bucket are arranged in arc surfaces, two telescopic rods are symmetrically arranged, and the upper ends of the two telescopic rods are fixedly installed on one side surface of the gantry.

[0012] As a preferred embodiment of the present invention, the guide roller is slidably installed in the slide groove, the belt pulley is formed into a rotating structure through motor 2, the belt is arranged between the belt pulley and the roller, and six baffles are arranged, and the six baffles are evenly distributed on the inner surface of the roller in a circular array.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. The motor 1 is set to drive the screw rod to rotate, so that the screw rod drives the gantry frame threaded therewith to slide and adjust on the outer surface of the fixed rod, so that the gantry frame drives the bucket to move and adjust, and at the same time, under the action of the rack, the movement and adjustment of the gantry frame can drive the transmission gear to rotate, so that the transmission gear drives the rotating shaft 2 to rotate, so that the bevel gear 3 drives the bevel gear 4 to rotate, so that the rotating shaft 3 drives the turntable to rotate, and under the action of the limit rod, the turntable drives the limit plate and the sliding rod 2 to move up and down repeatedly, so that the bucket can also move up and down repeatedly while moving and adjusting, so that the bucket can turn over the grain at the bottom of the sieve plate, so that the internal grain can also be heated evenly, and the rotation of the screw rod can drive the rotating shaft 1 to rotate under the action of the bevel gear 1 and the bevel gear 2, so that the rotating shaft 1 drives the crankshaft to rotate, so that under the action of the connecting rod, the sieve plate can be repeatedly moved and adjusted horizontally between the hoppers, so that the sieve plate can screen the internal grain and screen out the impurities mixed in the grain;

[0015] 2. Motor 2 is set up, which can drive the belt pulley to rotate. Under the action of the belt, the drum can be driven to rotate and adjust on the surface of the guide roller, so that the grain screened by the sieve plate falls into the drum. The rotation of the drum can drive the baffle to rotate, so that the baffle can lift the grain and make the grain fall into the sieve plate again. At the same time, the screen can filter out the dust mixed in the grain. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to facilitate understanding by those skilled in the art, the present invention is further described below with reference to the accompanying drawings.

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0018] Figure 2 It is a three-dimensional structural schematic diagram of the drum in the present invention;

[0019] Figure 3 It is a schematic diagram of the three-dimensional structure of the sieve plate in the present invention;

[0020] Figure 4 It is a schematic diagram of the rear three-dimensional structure of the sieve plate in the present invention;

[0021] Figure 5 For the present invention Figure 3 A is an enlarged schematic diagram of the three-dimensional structure;

[0022] Figure 6 For the present invention Figure 4 Schematic diagram of the enlarged three-dimensional structure at B.

[0023] In the figure: 1, base frame; 2, support column; 3, hopper; 4, sliding rod 1; 5, sieve plate; 6, side plate; 7, fixing rod; 8, gantry; 9, motor 1; 10, screw rod; 11, bevel gear 1; 12, shaft seat 1; 13, rotating shaft 1; 14, bevel gear 2; 15, crankshaft; 16, connecting rod; 17, through slot; 18, rotating shaft 2; 19, transmission gear; 20, rack; 21, bevel gear 3; 22. Shaft seat 2; 23. Rotating shaft 3; 24. Bevel gear 4; 25. Turntable; 26. Limit rod; 27. Sliding rod 2; 28. Limit plate; 29. ​​Limit groove; 30. Fixed plate; 31. Bucket; 32. Telescopic rod; 33. Heating tube; 34. Guide roller; 35. Drum; 36. Slide chute; 37. Motor 2; 38. Belt pulley; 39. Belt; 40. Screen; 41. Baffle. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application; obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application without making creative work are within the scope of protection of the present application.

[0025] In the description of the present invention, it is necessary to understand that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0026] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0027] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] In the present invention, unless otherwise clearly specified and limited, the first feature "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description with reference to the terms "one scheme", "some schemes", "examples", "specific examples" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the scheme or example are included in at least one scheme or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same scheme or example. Moreover, the specific features, structures, materials or characteristics described may be combined in an appropriate manner in any one or more schemes or examples.

[0029] Example 1

[0030] See also Figure 1 - Figure 6As shown, a grain drying equipment with dust and impurity removal functions comprises a base frame 1, a support column 2 is fixedly installed on one side surface of the base frame 1, a hopper 3 is fixedly installed on one end of the support column 2, a sliding rod 4 is slidably installed on the outer surface of the hopper 3, a sieve plate 5 is fixedly installed on one end of the sliding rod 4, and the sieve plate 5 can be slid and adjusted laterally between the hoppers 3 under the action of the sliding rod 4, a side plate 6 is fixedly installed on the outer surface of the sieve plate 5, a fixed rod 7 is fixedly installed on one side surface of the side plate 6, a gantry 8 is slidably installed on the outer surface of the fixed rod 7, so that the gantry 8 can be moved and adjusted laterally under the action of the fixed rod 7, a motor 9 is fixedly installed on one side surface of the side plate 6, a screw rod 10 is fixedly installed on the output end of the motor 9, and the screw rod 10 is threadedly connected to the gantry 8, so that the motor 9 can be used to control the movement and adjustment of the gantry 8, one end of the screw rod 10 is fixedly installed with a bevel gear 11, the outer surface of the sieve plate 5 is fixedly installed with a shaft seat 12, the inner side of the shaft seat 12 is rotatably installed with a rotating shaft 13, one end of the rotating shaft 13 is fixedly installed with a bevel gear 2 14, the bevel gear 11 and the bevel gear 2 14 are meshed with each other, one end of the rotating shaft 13 is fixedly installed with a crankshaft 15, the outer surface of the crankshaft 15 is rotatably installed with a connecting rod 16, and the end of the connecting rod 16 away from the crankshaft 15 is rotatably installed on the side surface of the hopper 3, so that when the motor 9 drives the screw rod 10 to rotate, the screw rod 10 can drive the bevel gear 11 and the bevel gear 2 14 to rotate, so that the rotating shaft 1 13 drives the crankshaft 15 to rotate, so that under the action of the connecting rod 16, the sieve plate 5 can be adjusted to move back and forth horizontally between the hoppers 3, so that the sieve plate 5 can screen the impurities mixed in the grain, so that the motor 19 can drive the sieve plate 5 to move back and forth while driving the gantry 8 to move, and the screened grain falls from the hopper 3 into the drum 35 below. A through groove 17 is provided on one side surface of the gantry 8, and a rotating shaft 2 18 is rotatably installed on the inner surface of the through groove 17. A transmission gear 19 is fixedly installed on the outer surface of the rotating shaft 2 18. A rack 20 is fixedly installed on one side surface of the sieve plate 5, and the transmission gear 19 and the rack 20 are meshed with each other, so that the motor 19 can drive the gantry 8 to move and adjust while the transmission gear 19 can be rotated under the action of the rack 20, so that the transmission gear 19 can drive the rotating shaft 2 18 to rotate, the upper end of the rotating shaft 2 18 is fixedly installed with a bevel gear 3 21, and the one side surface of the gantry 8 is fixedly installed with an axle seat 22, and the inner side of the axle seat 22 is rotatably installed with a rotating shaft 3 23, and one end of the rotating shaft 3 23 is fixedly installed with a bevel gear 4 24, and the bevel gear 3 21 and the bevel gear 4 24 are meshed with each other, so that the rotating shaft 2 18 can drive the bevel gear 3 21 to rotate, so that the bevel gear 3 21 can drive the bevel gear 4 24 meshed with it to rotate, and a rotating disk 25 is fixedly installed at one end of the rotating shaft 3 23, and a limit rod 26 is rotatably installed on the surface of one side of the rotating disk 25, and a sliding rod 27 is slidably installed on the surface of one side of the gantry 8.The upper end of the sliding rod 27 is fixedly installed with a limit plate 28, and a limit groove 29 is provided on one side surface of the limit plate 28. The limit rod 26 is slidably installed in the limit groove 29, so that the rotating shaft 33 drives the rotating disk 25 to rotate, and the rotating disk 25 can drive the limit rod 26 to slide and adjust in the limit groove 29, so that the limit plate 28 drives the sliding rod 27 to slide and adjust up and down. The lower end of the sliding rod 27 is fixedly installed with a fixed plate 30, and a bucket 31 is fixedly installed on one side surface of the fixed plate 30. The up and down movement adjustment of the sliding rod 27 can drive the bucket 31 to move up and down. The one side surface of the fixed plate 30 is fixedly installed with a telescopic rod 32, so that when the motor 1 9 drives the gantry 8 to move, it can also drive the bucket 31 to move up and down and laterally, so that the bucket 31 can turn over the grain at the bottom of the sieve plate 5, so that the grain can be heated evenly and the screening effect is better. The inner surface of the sieve plate 5 is fixedly installed with a heating pipe 33, and the bottom A guide roller 34 is rotatably mounted on one side surface of the frame 1, and a roller 35 is slidably mounted on the outer surface of the guide roller 34. A slide groove 36 is provided on the outer surface of the roller 35, and the guide roller 34 is slidably mounted in the slide groove 36. A motor 2 37 is fixedly mounted on one side surface of the bottom frame 1, and a belt pulley 38 is fixedly mounted on the output end of the motor 2 37. A belt 39 is arranged on the outer side of the belt pulley 38, and the belt 39 is arranged between the belt pulley 38 and the roller 35. A screen 40 is fixedly mounted on the inner surface of the roller 35, and a baffle 41 is fixedly mounted on the inner surface of the roller 35. When the motor 2 37 drives the belt pulley 38 to rotate, the roller 35 can be driven to rotate and adjust on the surface of the guide roller 34, so that the screen 40 arranged on the inner wall surface of the roller 35 can screen out dust from the grain that has been screened for impurities, and can transport the grain to the screen plate 5 again under the action of the baffle 41, so that the screen plate 5 can screen and dry the grain again, so that the drying, dust removal and impurity removal effects of the grain are better.

[0031] Example 2

[0032] See also Figure 1 - Figure 6As shown, eight sliding rods 4 are symmetrically arranged, the sieve plate 5 is fixedly installed at one end of the eight sliding rods 4, four fixed rods 7 are symmetrically arranged, the gantry 8 is slidably installed on the outer surface of the four fixed rods 7, the end of the screw rod 10 away from the motor 9 passes through one side plate 6, and is rotatably installed on one side surface of the other side plate 6, the screw rod 10 and the gantry 8 are threadedly connected, so that the motor 9 drives the screw rod 10 to rotate, and the screw rod 10 can drive the gantry 8 to move and adjust, the bevel gear 11 and the bevel gear 2 14 are symmetrically arranged with two, the bevel gear 11 and the bevel gear 2 14 are meshed with each other, the screw rod 10 and the rotating shaft 13 are in a synchronous rotation structure, and the end of the connecting rod 16 away from the crankshaft 15 is rotatably installed on the side surface of the hopper 3, so that the motor 9 can drive The movable sieve plate 5 is adjusted to move back and forth laterally, the rotating shaft 2 18, the transmission gear 19 and the bevel gear 3 21 are all located on the same vertical axis, the transmission gear 19 and the rack 20 are meshed with each other, the bevel gear 3 21 and the bevel gear 4 24 are meshed with each other, the rotating shaft 3 23, the bevel gear 4 24 and the turntable 25 are all located on the same horizontal axis, and the limit rod 26 is slidably installed in the limit groove 29, so that the movement adjustment of the gantry 8 can drive the bucket 31 to move back and forth up and down, and both sides of the bucket 31 are arranged in an arc surface, so that the lateral and up and down movement adjustment of the bucket 31 can turn over the grain at the bottom of the sieve plate 5, so that the grain is heated evenly and the screening effect is better. Two telescopic rods 32 are symmetrically arranged, and the upper ends of the two telescopic rods 32 are fixedly installed on one side surface of the gantry 8.

[0033] Example 3

[0034] See also Figure 1 - Figure 6 As shown, the guide roller 34 is slidably installed in the slide groove 36, the belt pulley 38 is rotated by the motor 37, the belt 39 is arranged between the belt pulley 38 and the drum 35, and six baffles 41 are arranged. The six baffles 41 are evenly distributed on the inner surface of the drum 35 in a ring array. When the motor 37 drives the belt pulley 38 to rotate, the drum 35 can be driven to rotate and adjust on the surface of the guide roller 34 under the action of the belt 39, so that the screen 40 on the inner wall of the drum 35 can screen the dust from the food that has been screened for impurities, and can transport the food to the sieve plate 5 again under the action of the baffle 41, so that the sieve plate 5 can screen and dry the food again, so that the drying and dust removal effects of the food are better.

[0035] When the present invention is in use, grain is poured into the sieve plate 5, and the grain is heated and dried by the heating tube 33. By controlling the motor 19, the motor 19 drives the screw rod 10 to rotate, so that the rotation of the screw rod 10 drives the gantry 8 threadedly connected thereto to slide and adjust on the surface of the fixed rod 7, so that the sliding adjustment of the gantry 8 can drive the bucket 31 under the telescopic rod 32 to slide and adjust, and at the same time, the movement adjustment of the gantry 8 can drive the transmission gear 19 meshing with it to rotate under the action of the rack 20, so that the transmission gear 19 drives the rotating shaft 2 18 to rotate, and the rotating shaft 2 18 can drive the bevel gear 3 21 to rotate. The rotation of the bevel gear 3 21 can drive the bevel gear 4 24 meshing with it to rotate, so that the bevel gear 4 24 drives the rotating shaft 3 23 to rotate, so that the rotating shaft 3 23 drives the rotating disk 25 to rotate, so that the rotating disk 25 can drive the limiting rod 26 to rotate, so that the limiting rod 26 slides and adjusts in the limiting groove 29, so that the limiting rod 26 drives the limiting plate 28 to slide and adjust up and down, so that the sliding rod 27 slides and adjusts up and down, so that the sliding rod 27 drives the fixed plate 30 to slide and adjust up and down, so that the bucket 31 slides and adjusts up and down, so that the bucket 31 moves in the lateral direction. At the same time, it can also be adjusted to move back and forth up and down, so that the bucket 31 can turn over the grain at the bottom of the sieve plate 5, avoiding the uneven drying of the grain at the bottom of the sieve plate 5. At the same time, the screw rod 10 can drive the bevel gear 11 to rotate while rotating, so that the bevel gear 11 can drive the bevel gear 2 14 meshing with it to rotate, so that the bevel gear 2 14 can drive the rotating shaft 13 to rotate, so that the rotating shaft 13 can drive the crankshaft 15 to rotate, so that the crankshaft 15 can drive the sieve plate 5 to move back and forth horizontally between the hoppers 3 under the action of the connecting rod 16, so that the sieve plate 5 can remove impurities in the grain. The screened grains are dropped from the hopper 3 onto the inner wall of the drum 35 below, and the motor 37 is controlled to drive the belt pulley 38 to rotate, so that the belt pulley 38 drives the drum 35 to rotate and adjust on the surface of the guide roller 34 under the action of the belt 39, so that the drum 35 drives the grains to rotate, and when the grains roll on the surface of the screen 40, the screen 40 can filter the dust in the grains, and the baffle 41 can drive the grains to turn over, so that the grains can fall from the top of the screen plate 5 to the inside of the screen plate 5 again, and are screened and dried again by the screen plate 5, so that the drying, dust removal and impurity removal effects of the grains are better.

[0036] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A grain drying device with dust and impurity removal function, comprising a base frame (1), characterized in that: A support column (2) is fixedly mounted on one side surface of the base frame (1), a hopper (3) is fixedly mounted on one end of the support column (2), a sliding rod (4) is slidably mounted on the outer side surface of the hopper (3), a sieve plate (5) is fixedly mounted on one end of the sliding rod (4), a side plate (6) is fixedly mounted on the outer side surface of the sieve plate (5), a fixing rod (7) is fixedly mounted on one side surface of the side plate (6), a gantry (8) is slidably mounted on the outer side surface of the fixing rod (7), a motor (9) is fixedly mounted on one side surface of the side plate (6), a screw rod (10) is fixedly mounted on the output end of the motor (9), a bevel gear (11) is fixedly mounted on one end of the screw rod (10), an axle seat (12) is fixedly mounted on the outer side surface of the sieve plate (5), a rotating shaft (13) is rotatably mounted on the inner side of the axle seat (12), and the rotating shaft (13) A bevel gear 2 (14) is fixedly mounted on one end of the rotating shaft 1 (13); a crankshaft (15) is fixedly mounted on one end of the rotating shaft 1 (13); a connecting rod (16) is rotatably mounted on the outer surface of the crankshaft (15); a shaft seat 2 (22) is fixedly mounted on one side surface of the gantry (8); a rotating shaft 3 (23) is rotatably mounted on the inner side of the shaft seat 2 (22); a bevel gear 4 (24) is fixedly mounted on one end of the rotating shaft 3 (23); a rotating disk (25) is fixedly mounted on one end of the rotating shaft 3 (23); a limiting rod (26) is rotatably mounted on one side surface of the rotating disk (25); a sliding rod 2 (27) is slidably mounted on one side surface of the gantry (8); a limiting plate (28) is fixedly mounted on the upper end of the sliding rod 2 (27); a limiting groove (29) is provided on one side surface of the limiting plate (28); and a fixing plate (30) is fixedly mounted on the lower end of the sliding rod 2 (27).

2. The grain drying equipment with dust and impurity removal function according to claim 1 is characterized in that: The sliding rods (4) are symmetrically arranged in eight numbers, the sieve plate (5) is fixedly mounted on one end of the eight sliding rods (4), the fixed rods (7) are symmetrically arranged in four numbers, the gantry (8) is slidably mounted on the outer surfaces of the four fixed rods (7), and the inner surface of the sieve plate (5) is fixedly mounted with a heating pipe (33).

3. The grain drying equipment with dust and impurity removal function according to claim 2 is characterized in that: The end of the screw rod (10) away from the motor (9) passes through the side plate (6) on one side and is rotatably mounted on a side surface of the side plate (6) on the other side, and the screw rod (10) is threadedly connected to the gantry (8); a bucket (31) is fixedly mounted on one side surface of the fixed plate (30), and a telescopic rod (32) is fixedly mounted on one side surface of the fixed plate (30).

4. The grain drying equipment with dust and impurity removal function according to claim 3 is characterized in that: The bevel gear 1 (11) and the bevel gear 2 (14) are symmetrically arranged in two, and the bevel gear 1 (11) and the bevel gear 2 (14) are meshed with each other. The screw rod (10) and the rotating shaft 1 (13) are in a synchronous rotation structure, and the end of the connecting rod (16) away from the crankshaft (15) is rotatably mounted on a side surface of the hopper (3).

5. The grain drying equipment with dust and impurity removal function according to claim 4 is characterized in that: A through groove (17) is provided on one side surface of the gantry (8), a rotating shaft (18) is rotatably mounted on the inner side surface of the through groove (17), a transmission gear (19) is fixedly mounted on the outer side surface of the rotating shaft (18), a rack (20) is fixedly mounted on one side surface of the sieve plate (5), a bevel gear (21) is fixedly mounted on the upper end of the rotating shaft (18), the rotating shaft (18), the transmission gear (19) and the bevel gear (21) are all located on the same vertical axis, the transmission gear (19) and the rack (20) are meshed with each other, the bevel gear (21) and the bevel gear (24) are meshed with each other, and the rotating shaft (23), the bevel gear (24) and the turntable (25) are all located on the same horizontal axis.

6. The grain drying equipment with dust and impurity removal function according to claim 5 is characterized in that: The limit rod (26) is slidably installed in the limit groove (29), both sides of the bucket (31) are arranged in arc surfaces, two telescopic rods (32) are symmetrically arranged, and the upper ends of the two telescopic rods (32) are fixedly installed on a side surface of the gantry (8).

7. The grain drying equipment with dust and impurity removal function according to claim 6 is characterized in that: A guide roller (34) is rotatably mounted on one side surface of the base frame (1), a roller (35) is slidably mounted on the outer side surface of the guide roller (34), a slide groove (36) is provided on the outer side surface of the roller (35), a motor 2 (37) is fixedly mounted on one side surface of the base frame (1), a belt pulley (38) is fixedly mounted on the output end of the motor 2 (37), a belt (39) is provided on the outer side of the belt pulley (38), a screen (40) is fixedly mounted on the inner side surface of the roller (35), and a baffle (41) is fixedly mounted on the inner side surface of the roller (35).

8. The grain drying equipment with dust and impurity removal function according to claim 7 is characterized in that: The guide roller (34) is slidably installed in the slide groove (36), the belt pulley (38) forms a rotating structure through the motor 2 (37), the belt (39) is arranged between the belt pulley (38) and the roller (35), and six baffles (41) are arranged, and the six baffles (41) are evenly distributed on the inner surface of the roller (35) in a ring array.

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