A grain drying tower flap grain discharge device

Abstract

The present invention relates to the technical field of grain drying equipment, and specifically to a grain drying tower flap grain discharging device, comprising a drying cylinder, a feeding port being provided at the top of the drying cylinder, a feeding assembly being arranged inside the drying cylinder, the feeding assembly comprising a rotating column, a tray, a discharging hopper and a sliding frame, a discharging assembly being arranged inside the drying cylinder, the discharging assembly comprising an iron plate, a rotating plate and an iron rod, and a driving assembly being arranged inside the drying cylinder, the driving assembly comprising a cylinder, a rack, a rotating shaft, a gear, a support rod, a magnet, a slide plate, a second spring and a cross plate; the present invention can control the amount of grain during each drying, and can make the grains evenly layered, and the dried grains can also be quickly discharged, and the whole process only requires dumping the grains and recovering the grains discharged from the bottom of the drying cylinder, and the remaining steps can be automatically completed by starting the cylinder.

Description

Technical Field

[0001] The present invention relates to the technical field of grain drying equipment, and specifically to a flap grain discharging device for a grain drying tower. Background Art

[0002] A grain drying tower is a device used to dry grain crops. It reduces the moisture content in the grain through hot air circulation to meet the requirements for storage and transportation. This device is widely used in the agricultural field, especially during the harvest season, to quickly dry crops such as grains, beans, and seeds to prevent mildew and extend the storage period.

[0003] A patent with publication number CN115265169B discloses a flap grain discharging device and method for a grain drying tower, which includes a granary. A plurality of grain discharging angular boxes are installed at the top of the granary, and a flap grain discharging mechanism is installed at the outlet formed between the grain discharging angular boxes; a grain supporting and flow equalizing plate is provided at the outlet position of the granary, and a grain discharging scraper conveyor is installed at the bottom of the granary; one end of the grain discharging scraper conveyor is provided with a first grain outlet, and the other end is provided with a second grain outlet, so that the grain is discharged from the first grain outlet or the second grain outlet. This patent can achieve two-way grain discharging, improve production efficiency; and the grain discharging is uniform, ensuring the quality of the dried grain.

[0004] However, the grain in the grain drying tower is usually discharged after being dried. During the process of discharging the grain, the drying process of the grain is basically completed. Although the drying process cannot ensure that the moisture content in each grain is the same, as long as the moisture content of the dried grain reaches the standard for easy storage. Currently, the existing grain drying towers generally use hot air to dry the grain, and the speed of hot air introduction is limited. Therefore, when the drying tower dries the grain, the less the amount of grain, the higher the drying efficiency and the more uniform the drying. When the amount of grain is large, it will cause a decrease in drying efficiency and an increase in the defective rate of the dried grain. For this reason, the present invention proposes a device to evenly control the amount of grain dried each time. Summary of the Invention

[0005] In order to solve the above technical problems, the present invention proposes a flap grain discharging device for a grain drying tower, which can control the amount of grain dried each time, evenly layer these grains, and the dried grain can also be quickly discharged.

[0006] The technical solution to achieve the purpose of the present invention is: a grain drying tower flap discharge device, including a drying cylinder, a feeding port is opened at the top of the drying cylinder, a feeding assembly is arranged inside the drying cylinder, the feeding assembly includes a rotating column, a tray, a lower hopper and a sliding frame, a plurality of the rotating columns are rotatably connected to the inner wall of the drying cylinder, two ends of a plurality of trays are respectively fixedly connected to a plurality of rotating columns, a plurality of lower hoppers are fixedly connected to the inner wall of the drying cylinder, a plurality of sliding frames are respectively slidably connected to the bottom of a plurality of trays, a lowering assembly is arranged inside the drying cylinder, the lowering assembly includes an iron plate, a rotating plate and an iron rod, two of the iron plates are fixedly connected to the inner wall of the drying cylinder, the rotating plate is rotatably arranged between the two iron plates, and the iron rod is fixedly connected Connected to the rotating plate, a driving assembly is also provided inside the drying cylinder, and the driving assembly includes a cylinder, a rack, a rotating shaft, a gear, a support rod, a magnet, a slide plate, a second spring and a cross plate. The cylinder is fixedly connected to the inner wall of the drying cylinder, the rack is slidably connected to the inner wall of the drying cylinder, multiple rotating shafts are rotatably connected to the inner wall of the drying cylinder, multiple gears are respectively fixedly connected to multiple rotating shafts, multiple rotating shafts are respectively fixedly connected to multiple rotating columns, multiple support rods are respectively fixedly connected to multiple sliding frames, multiple magnets are respectively fixedly connected to multiple support rods, the slide plate is slidably connected to the inner wall of the drying cylinder, the second spring is fixedly connected between the slide plate and the inner wall of the drying cylinder, and the cross plate is fixedly connected to the inner wall of the drying cylinder.

[0007] Preferably, the feeding assembly further comprises a baffle, a plurality of the baffles are fixedly connected to the inner wall of the drying cylinder, and the plurality of baffles are respectively fixedly connected to a plurality of lower hoppers.

[0008] Preferably, the feeding assembly also includes a slider and a first spring, and the plurality of sliders are respectively fixedly connected to the plurality of slide frames, one end of the first spring is fixedly connected to the bottom of the tray, and the other end of the first spring is fixedly connected to the slider, and the slider is slidably connected to the bottom of the tray.

[0009] Preferably, the feeding assembly further comprises frosted patterns, and the frosted patterns are arranged at the bottom of the plurality of trays, and the plurality of slide frames are respectively connected to the frosted patterns at the bottom of the plurality of trays.

[0010] Preferably, the unloading assembly further comprises a fixing rod and a clockwork spring, wherein the fixing rod is fixedly connected to the inner wall of the drying cylinder, and the clockwork spring is fixedly connected between the fixing rod and the rotating plate.

[0011] Preferably, the unloading assembly also includes a rubber sleeve, an arc plate and a unloading plate, the rubber sleeve is fixedly connected to the iron rod, the arc plate is fixedly connected to the inner wall of the drying cylinder, the bottom end of the rotating plate is slidably connected to the arc plate, and the unloading plate is fixedly connected between the arc plate and the inner wall of the drying cylinder.

[0012] Preferably, the driving assembly further comprises a counterweight block, wherein a plurality of the counterweight blocks are respectively fixedly connected to a plurality of support rods, and the plurality of counterweight blocks are respectively located at one end of the plurality of magnets away from the slide plate.

[0013] Preferably, the magnet is spherical, and the plurality of support rods are all obliquely arranged on a plurality of sliding frames.

[0014] Preferably, the slide plate and the cross plate are both made of iron, the slide plate is slidably connected to the cross plate, and one end of the cross plate is fixedly connected to one of the iron plates.

[0015] Compared with the prior art, the present invention has the following significant advantages:

[0016] When the food is poured into the drying drum, the food on the lower tray is filled up, and the food overflows and falls into the lower hopper below, and then falls into the next tray. In this way, the food is layered on multiple trays. When the lower tray is also full of food, the excess food will fall down again and be discharged downward along the channel between the two iron plates. At this time, the top of the rotating plate is against one side of the iron plate, and the excess food is discharged downward from the other side, and finally discharged from one side of the lower plate. Therefore, when food is observed to be discharged from the bottom of the drying drum, it means that the trays in the drying drum are full, and the food should be stopped from being poured into the drying drum. Since the food is poured into the drying drum in a pouring manner, the kinetic energy of the food when it falls is relatively large, and it is not easy to accumulate on the tray. The food on the tray will be close to a flat state.

[0017] Second, in the present invention, after the dumping of the grains is stopped, the dryer is used to inject hot air into the drying drum to dry the grains. Since the grains are placed in multiple trays respectively, the grains are layered, and the amount of grains in each layer is relatively small. Therefore, after the hot air is passed into the drying drum, it can directly contact most of the grains, and the grains buried below will not be unable to contact the hot air in time due to excessive grains piling up together. Therefore, the drying efficiency and drying effect of the grains are improved;

[0018] Thirdly, in the present invention, by setting a driving component and a feeding component, after the grain is dried, the cylinder is started to make the output shaft of the cylinder retract at an extremely slow speed. At this time, the magnet is close to the slide plate. Under the action of magnetic attraction, the slide plate is attracted to the magnet. However, since the contact surface between the slide frame and the tray has frosted lines, the static friction force on the slide frame is relatively large, and the slide plate is attracted to the magnet. However, the magnet and the slide frame do not move. After the slide plate contacts the magnet, it also has magnetism, thereby making the cross plate and the iron plate both magnetic. At this time, the magnetism of the iron plate makes the iron rod originally leaning against one side of the iron plate be attracted to the iron plate on the other side in contact with the cross plate. This magnetic attraction force overcomes the elastic force of the spring on the rotating plate at the same time. Since the rotating plate turns with the movement of the iron rod, if grain falls at this time, it will fall to the other side of the feeding plate, that is, when dumping the grain, the excess grain is discharged from one side, and the dried grain at this time will be discharged from the other side.

[0019] Fourthly: in the present invention, after the rotating plate completes the rotation, as the cylinder continues to move, the tray continues to tilt. At this time, the gravity of the counterweight block will cause the slide frame to slide, and as the tray tilts, the grain gradually falls from the tray, and eventually all falls off. These dried grains will eventually fall down layer by layer, and finally be discharged from one side of the unloading plate, thereby completing the grain discharge. The whole process only requires dumping the grain and recovering the grain discharged from the bottom of the drying cylinder. The remaining steps can be automatically completed by starting the cylinder, and then the output shaft of the cylinder is reset, and each structure will also be reset under the action of the first spring, the second spring and the clockwork spring. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention will be further explained below in conjunction with the accompanying drawings and embodiments:

[0021] Figure 1 It is a three-dimensional structural schematic diagram of the present invention;

[0022] Figure 2 It is a schematic diagram of the internal structure of the present invention;

[0023] Figure 3 The present invention Figure 2 Another perspective view shown;

[0024] Figure 4 It is a schematic diagram of the connection structure between the driving assembly and the drying drum in the present invention;

[0025] Figure 5 This is a front view of the internal structure of the drying drum in the present invention;

[0026] Figure 6 The present invention Figure 3 An enlarged view of the structure of part A is shown;

[0027] Figure 7 It is a three-dimensional structural schematic diagram of the sliding frame and the tray in the present invention;

[0028] Figure 8 It is a partial structural schematic diagram of the blanking component in the present invention.

[0029] Description of reference numerals:

[0030] 1. Drying cylinder; 2. Feeding port; 3. Feeding assembly; 31. Rotating column; 32. Tray; 33. Feeding hopper; 34. Baffle; 35. Sliding frame; 36. Sliding block; 37. First spring; 38. Frosted pattern; 4. Feeding assembly; 41. Iron plate; 42. Fixed rod; 43. Rotating plate; 44. Spring spring; 45. Iron rod; 46. Rubber sleeve; 47. Arc plate; 48. Feeding plate; 5. Driving assembly; 51. Cylinder; 52. Rack; 53. Rotating shaft; 54. Gear; 55. Support rod; 56. Counterweight; 57. Magnet; 58. Slide plate; 59. Second spring; 510. Horizontal plate. DETAILED DESCRIPTION

[0031] The present invention is described in detail below, and the technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] The present invention provides a grain drying tower flap grain discharge device through improvement. The technical solution of the present invention is:

[0033] like Figure 1-Figure 8As shown, a grain drying tower flap discharge device comprises a drying cylinder 1, a feeding port 2 is provided at the top of the drying cylinder 1, a feeding assembly 3 is arranged inside the drying cylinder 1, the feeding assembly 3 comprises a rotating column 31, a tray 32, a lower hopper 33 and a sliding frame 35, a plurality of rotating columns 31 are rotatably connected to the inner wall of the drying cylinder 1, two ends of a plurality of trays 32 are respectively fixedly connected to a plurality of rotating columns 31, a plurality of lower hoppers 33 are fixedly connected to the inner wall of the drying cylinder 1, a plurality of sliding frames 35 are respectively slidably connected to the bottoms of a plurality of trays 32, a lowering assembly 4 is arranged inside the drying cylinder 1, the lowering assembly 4 comprises an iron plate 41, a rotating plate 43 and an iron rod 45, two iron plates 41 are fixedly connected to the inner wall of the drying cylinder 1, the rotating plate 43 is rotatably arranged between the two iron plates 41, the iron rod 45 is fixedly connected to the rotating plate 43, and the inner wall of the drying cylinder 1 is provided with a feeding assembly 4. The part is also provided with a driving assembly 5, which includes a cylinder 51, a rack 52, a rotating shaft 53, a gear 54, a support rod 55, a magnet 57, a slide plate 58, a second spring 59 and a cross plate 510. The cylinder 51 is fixedly connected to the inner wall of the drying cylinder 1, the rack 52 is slidably connected to the inner wall of the drying cylinder 1, a plurality of rotating shafts 53 are rotatably connected to the inner wall of the drying cylinder 1, a plurality of gears 54 are respectively fixedly connected to the plurality of rotating shafts 53, a plurality of rotating shafts 53 are respectively fixedly connected to a plurality of rotating columns 31, a plurality of support rods 55 are respectively fixedly connected to a plurality of sliding frames 35, a plurality of magnets 57 are respectively fixedly connected to a plurality of support rods 55, a slide plate 58 is slidably connected to the inner wall of the drying cylinder 1, a second spring 59 is fixedly connected between the slide plate 58 and the inner wall of the drying cylinder 1, and the cross plate 510 is fixedly connected to the inner wall of the drying cylinder 1.

[0034] Further, such as Figure 2 , Figure 3 and Figure 5 As shown, the feeding assembly 3 also includes a baffle 34, and multiple baffles 34 are fixedly connected to the inner wall of the drying drum 1, and multiple baffles 34 are respectively fixedly connected to multiple lower hoppers 33. The baffles 34 mainly play a role of enclosure. The grain falling from the lower hopper 33 will fall into the tray 32 below, and the baffles 34 can prevent the grain from falling directly from the surroundings to the bottom of the drying drum 1.

[0035] Further, such as Figure 3 and Figure 6 As shown, the feeding assembly 3 also includes a slider 36 and a first spring 37. The multiple sliders 36 are respectively fixedly connected to the multiple slide frames 35. One end of the first spring 37 is fixedly connected to the bottom of the tray 32, and the other end of the first spring 37 is fixedly connected to the slider 36. The slider 36 is slidably connected to the bottom of the tray 32. When the tray 32 and the slide frame 35 are tilted, the slide frame 35 will slide out under the action of the gravity of the counterweight block 56, and then the first spring 37 can reset it.

[0036] Further, such as Figure 7As shown, the feeding assembly 3 also includes frosted texture 38, which is arranged at the bottom of multiple trays 32, and multiple slide frames 35 are respectively connected to the frosted texture 38 at the bottom of multiple trays 32. The frosted texture 38 can generate a larger static friction force between the slide frame 35 and the tray 32, so when the magnet 57 approaches the slide plate 58, the slide plate 58 will be attracted to the magnet 57, but the magnet 57 and the slide frame 35 will not move.

[0037] Further, such as Figure 2 , Figure 3 and Figure 5 The unloading assembly 4 also includes a fixed rod 42 and a spring 44. The fixed rod 42 is fixedly connected to the inner wall of the drying drum 1. The spring 44 is fixedly connected between the fixed rod 42 and the rotating plate 43. The spring 44 makes the iron rod 45 on the rotating plate 43 lean against the iron plate 41 on the right. After the left iron plate 41 has magnetism, the rotating plate 43 will be attracted to the left. In these two states, the rotating plate 43 will discharge the falling grain to different sides of the unloading plate 48 respectively.

[0038] Further, such as Figure 8 As shown, the blanking assembly 4 also includes a rubber sleeve 46, an arc plate 47 and a blanking plate 48. The rubber sleeve 46 is fixedly connected to the iron rod 45, the arc plate 47 is fixedly connected to the inner wall of the drying cylinder 1, the bottom end of the rotating plate 43 is slidably connected to the arc plate 47, and the blanking plate 48 is fixedly connected between the arc plate 47 and the inner wall of the drying cylinder 1. Since the rotating plate 43 will drive the iron rod 45 to swing left and right and hit the iron plate 41 during use, the rubber sleeve 46 sleeved on the iron rod 45 can play a buffering role, and the rubber sleeve 46 is relatively thin and will not affect the traction of the iron rod 45 by the magnetic attraction force.

[0039] Further, such as Figure 7 As shown, the driving assembly 5 also includes a counterweight block 56, and a plurality of counterweight blocks 56 are respectively fixedly connected to a plurality of support rods 55. The plurality of counterweight blocks 56 are respectively located at one end of the plurality of magnets 57 away from the slide plate 58. The counterweight block 56 has a large mass. When the tray 32 is tilted, the counterweight block 56 can use gravity to overcome the friction force generated by the frosted pattern 38, so that the slide frame 35 slides out.

[0040] Further, such as Figure 7 As shown, the magnet 57 is spherical, and multiple support rods 55 are tilted on multiple slide frames 35. The support rods 55 are tilted so that when the tray 32 is slightly tilted, the magnet 57 will be closer to the slide plate 58, thereby causing the slide plate 58 to be attracted to the magnet 57.

[0041] Furthermore, the slide plate 58 and the cross plate 510 are both made of iron, and the slide plate 58 is slidably connected to the cross plate 510, and one end of the cross plate 510 is fixedly connected to one of the iron plates 41. Therefore, when the magnet 57 and the slide plate 58 come into contact, the slide plate 58, the cross plate 510 and the iron plate 41 will all be magnetic. When the iron plate 41 is magnetic, it can attract the iron rod 45, so that the iron rod 45 drives the rotating plate 43 to rotate. Since the tray 32 is slightly tilted, the rotating plate 43 has already rotated. At this time, the sliding frame 35 has not yet slid relative to the tray 32, so the grain has not fallen, that is, the iron rod 45 and the rotating plate 43 will complete the turning before the grain falls, ensuring that when the grain is initially dumped, the excess grain is discharged from one side, and the dried grain will definitely be discharged from the other side.

[0042] The specific working method is as follows: first, the grain is poured into the drying drum 1 from the feed port 2 at the top. After the grain is poured in, it will fall onto the tray 32 below. As more and more grain is poured in, the tray 32 is full of grain, and the grain will overflow and fall into the lower hopper 33 below, and then fall into the next tray 32. In this way, the grain is layered on multiple trays 32. When the bottom tray 32 is also full of grain, the excess grain will fall down again and be discharged downward along the channel between the two iron plates 41. At this time, the rotating plate 4 The top of the drying drum 1 is against the iron plate 41 on one side, and the excess grain is discharged downward from the other side, and finally discharged from one side of the unloading plate 48. Therefore, when grain is observed to be discharged from the bottom of the drying drum 1, it means that each tray 32 in the drying drum 1 is full. At this time, the fallen grain can be recovered and the pouring of grain into the drying drum 1 can be stopped. Since the grain is poured into the drying drum 1 in a pouring manner, the kinetic energy of the grain when it falls is relatively large, and it is not easy to accumulate on the tray 32. The grain will be nearly flat on the tray 32.

[0043] After stopping dumping the grains, hot air is injected into the drying drum 1 by the dryer to dry the grains. Since the grains are placed in multiple trays 32 respectively, the grains are layered, and the amount of grain in each layer is relatively small. Therefore, after the hot air enters the drying drum 1, it can directly contact most of the grains, and the grains buried underneath will not be unable to contact the hot air in time due to too much grain piling up. Therefore, the drying efficiency and drying effect of the grains are improved.

[0044] After the grain drying is completed, the cylinder 51 is started, and the output shaft of the cylinder 51 is retracted at a very slow speed, so that the rack 52 moves downward, thereby driving the multiple gears 54 to rotate. The rotation of the gears 54 drives the various rotating shafts 53 and the rotating column 31 to rotate. When the rotating column 31 rotates, the various trays 32 connected thereto are tilted downward. The downward tilt of the trays 32 drives the various sliding frames 35 to tilt downward together. Since the support rod 55 is arranged tilted, as the sliding frame 35 tilts downward, the support rod 55 and the magnet 57 thereon also swing downward together. At the same time, the support rod 55 is displaced in the horizontal direction. At this time, the magnet 57 is closer to the slide plate 58. Under the action of force, the slide plate 58 is attracted to the magnet 57, but since the contact surface between the slide frame 35 and the tray 32 has frosted patterns 38, the static friction force on the slide frame 35 is relatively large, and the slide plate 58 is attracted to the magnet 57, but the magnet 57 and the slide frame 35 do not move. After the slide plate 58 contacts the magnet 57, it itself also has magnetism, which makes the cross plate 510 and the iron plate 41 both have magnetism. At this time, the magnetism of the iron plate 41 causes the iron rod 45 originally leaning against one side of the iron plate 41 to be attracted to the iron plate 41 on the other side in contact with the cross plate 510. This magnetic attraction force simultaneously overcomes the elastic force of the clockwork spring 44 on the rotating plate 43. Since the rotating plate 43 turns as the iron rod 45 moves, when food falls at this time, it will fall to the other side of the unloading plate 48, that is, when dumping food, excess food is discharged from one side, and the dried food at this time will be discharged from the other side.

[0045] After the rotating plate 43 completes the rotation, as the cylinder 51 continues to move, the tray 32 continues to tilt. At this time, the gravity of the counterweight block 56 will cause the slide frame 35 to slide, and as the tray 32 tilts, the grain gradually falls from the tray 32, and finally all falls off. The dried grains will eventually fall down layer by layer, and finally be discharged from the side of the discharge plate 48, thereby completing the grain discharge. The whole process only requires dumping the grain and recovering the grain discharged from the bottom of the drying drum 1. The remaining steps can be automatically completed by starting the cylinder 51. After that, the output shaft of the cylinder 51 is reset, and each structure will also be reset under the action of the first spring 37, the second spring 59 and the clockwork spring 44.

[0046] The technical means disclosed in the solution of the present invention are not limited to the technical means disclosed in the above technical means, but also include technical solutions composed of equivalent replacement of the above technical features. Matters not covered in the present invention belong to the common knowledge of those skilled in the art.

Claims

1. A grain drying tower flap discharge device, comprising a drying cylinder (1), wherein a feed inlet (2) is provided at the top of the drying cylinder (1), and characterized in that: A material conveying assembly (3) is arranged inside the drying cylinder (1), and the material conveying assembly (3) comprises a rotating column (31), a tray (32), a lower hopper (33) and a sliding frame (35), wherein a plurality of the rotating columns (31) are rotatably connected to the inner wall of the drying cylinder (1), two ends of a plurality of the trays (32) are respectively fixedly connected to the plurality of rotating columns (31), a plurality of the lower hoppers (33) are fixedly connected to the inner wall of the drying cylinder (1), and a plurality of the sliding frames (35) are respectively slidably connected to the plurality of trays. The bottom of the drying cylinder (32) is provided with a material discharge assembly (4) inside the drying cylinder (1), the material discharge assembly (4) comprising an iron plate (41), a rotating plate (43) and an iron rod (45), the two iron plates (41) being fixedly connected to the inner wall of the drying cylinder (1), the rotating plate (43) being rotatably arranged between the two iron plates (41), the iron rod (45) being fixedly connected to the rotating plate (43), and the driving assembly (5) being further provided inside the drying cylinder (1), the driving assembly (5) comprising an air A cylinder (51), a rack (52), a rotating shaft (53), a gear (54), a support rod (55), a magnet (57), a slide plate (58), a second spring (59) and a cross plate (510), wherein the cylinder (51) is fixedly connected to the inner wall of the drying cylinder (1), the rack (52) is slidably connected to the inner wall of the drying cylinder (1), a plurality of rotating shafts (53) are rotatably connected to the inner wall of the drying cylinder (1), and a plurality of gears (54) are respectively fixedly connected to a plurality of rotating shafts (53). ), a plurality of rotating shafts (53) are respectively fixedly connected to a plurality of rotating columns (31), a plurality of supporting rods (55) are respectively fixedly connected to a plurality of sliding frames (35), a plurality of magnets (57) are respectively fixedly connected to a plurality of supporting rods (55), the sliding plate (58) is slidably connected to the inner wall of the drying cylinder (1), the second spring (59) is fixedly connected between the sliding plate (58) and the inner wall of the drying cylinder (1), and the transverse plate (510) is fixedly connected to the inner wall of the drying cylinder (1); The feeding assembly (3) further comprises a slider (36) and a first spring (37), wherein the plurality of sliders (36) are respectively fixedly connected to the plurality of slide frames (35), one end of the first spring (37) is fixedly connected to the bottom of the tray (32), and the other end of the first spring (37) is fixedly connected to the slider (36), and the slider (36) is slidably connected to the bottom of the tray (32); The material feeding assembly (3) further comprises frosted patterns (38), wherein the frosted patterns (38) are arranged at the bottom of the plurality of trays (32), and the plurality of sliding frames (35) are respectively connected to the frosted patterns (38) at the bottom of the plurality of trays (32).

2. A grain drying tower flap grain discharge device according to claim 1, characterized in that: The material conveying assembly (3) further comprises a baffle (34), wherein a plurality of the baffles (34) are fixedly connected to the inner wall of the drying cylinder (1), and the plurality of baffles (34) are respectively fixedly connected to a plurality of lower hoppers (33).

3. A grain drying tower flap discharge device according to claim 1, characterized in that: The unloading assembly (4) further comprises a fixing rod (42) and a spring spring (44), wherein the fixing rod (42) is fixedly connected to the inner wall of the drying cylinder (1), and the spring spring (44) is fixedly connected between the fixing rod (42) and the rotating plate (43).

4. A grain drying tower flap discharge device according to claim 3, characterized in that: The blanking assembly (4) further comprises a rubber sleeve (46), a curved plate (47) and a blanking plate (48), wherein the rubber sleeve (46) is fixedly connected to the iron rod (45), the curved plate (47) is fixedly connected to the inner wall of the drying cylinder (1), the bottom end of the rotating plate (43) is slidably connected to the curved plate (47), and the blanking plate (48) is fixedly connected between the curved plate (47) and the inner wall of the drying cylinder (1).

5. The grain drying tower flap grain discharge device according to claim 1, characterized in that: The driving assembly (5) further comprises a counterweight (56), wherein a plurality of the counterweights (56) are respectively fixedly connected to a plurality of support rods (55), and the plurality of counterweights (56) are respectively located at one end of the plurality of magnets (57) away from the slide plate (58).

6. The grain drying tower flap grain discharge device according to claim 1, characterized in that: The magnet (57) is spherical, and the plurality of support rods (55) are all obliquely arranged on the plurality of sliding frames (35).

7. The grain drying tower flap discharge device according to claim 1, characterized in that: The slide plate (58) and the cross plate (510) are both made of iron. The slide plate (58) is slidably connected to the cross plate (510), and one end of the cross plate (510) is fixedly connected to one of the iron plates (41).

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