Automatic grain drying device

Abstract

The present invention discloses an automatic grain drying device, comprising a vertically arranged casing, a conveyor belt is arranged at the left end of the casing, the conveyor belt is used to convey grains to the inner left end of the casing, a first drying mechanism is rotatably arranged on the left inner wall of the casing, a second drying mechanism is rotatably arranged on the right inner wall of the casing, and the first drying mechanism is located above the second drying mechanism. The present invention can increase the drying area so as to dry more grains at the same time, thereby improving the operation efficiency; the grains form a thinner layer, avoiding thick grain accumulation, which is beneficial to the drying of the grains, and can shorten the drying time, improve the drying efficiency, and improve the drying effect; the grains on the top surfaces of the first drying mechanism and the second drying mechanism roll back and forth, so that the grains are dried more evenly and fully, which can improve the effect of the grain drying process; the entire grain drying process is fully automatic, saving manpower and improving the operation efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of grain drying, and in particular to an automatic grain drying device. Background Art

[0002] Cereals cover a wide range, including rice, wheat, millet, soybeans, and other grains. Cereals include rice, wheat, millet, soybeans, etc., mainly plant seeds and fruits. Cereals often contain moisture when they are first harvested, and they need to be dried for a certain period of time before they can be stored. Sometimes it may rain when the grains are harvested, which wets the grains and makes it more difficult to dry them. If the grains cannot be dried to a certain degree of dryness in time, the grains will become moldy, rotten, sprout, etc. and cannot be stored or used.

[0003] Chinese patent CN215373402U discloses a grain dryer, which includes: a frame, a grain drying tower, a hot air generating device and a grain conveying device; the grain drying tower is arranged on the frame; the hot air generating device is arranged on the frame, and a hot air duct is arranged between the hot air generating device and the grain drying tower to convey the hot air generated by the hot air generating device to the grain drying tower through the hot air duct.

[0004] However, the above technical solution has the following phenomena during use: 1. The diversion gap is a conical chamber structure with a relatively small volume, resulting in a small amount of grain dried at one time, which appropriately increases the drying operation time; 2. The grains are gathered in the diversion gap and dried. During the drying process, the grains are stationary, and the drying effect on the grains is slightly poor, which may easily lead to incomplete drying of some grains. Summary of the invention

[0005] The purpose of the present invention is to provide an automated grain drying device to solve the problem in the prior art that the diversion gap is a conical chamber structure with a relatively small volume, resulting in a small amount of grain dried at one time, which appropriately increases the drying operation time; the grains are gathered in the diversion gap and dried, and the grains are stationary during the drying process, which has a slightly poor drying effect on the grains and easily leads to the problem of incomplete drying of some grains.

[0006] In order to achieve the above-mentioned invention object, the present invention adopts the following technical scheme: an automatic grain drying device, comprising a vertically arranged housing, a conveyor belt is provided at the left end of the housing, the conveyor belt is used to convey grains to the inner left end of the housing, a first drying mechanism is rotatably provided on the left inner wall of the housing, a second drying mechanism is rotatably provided on the right inner wall of the housing, and the first drying mechanism is located above the second drying mechanism;

[0007] A suspension mechanism is provided on the right end of the casing, and the bottom end of the suspension mechanism is connected to the first drying mechanism and the second drying mechanism. The length of the suspension mechanism can be reciprocatedly extended and shortened. When the suspension mechanism is at an initial length, the first drying mechanism and the second drying mechanism are both distributed in the horizontal direction. When the suspension mechanism is shortened upward, the right end of the first drying mechanism is tilted upward, and the left end of the second drying mechanism is tilted upward. When the suspension mechanism is extended downward, the right end of the first drying mechanism is tilted downward, and the left end of the second drying mechanism is tilted downward.

[0008] A screw conveyor is horizontally arranged at the inner bottom end of the casing, a first discharge trough is arranged at the right end of the first drying mechanism, and a second discharge trough is arranged at the left end of the second drying mechanism. The second discharge trough is located directly above the feed port of the screw conveyor.

[0009] Preferably, the first drying mechanism includes a first drying box and a first fence, the left end of the first drying box is rotatably connected to the left inner wall of the casing through a first rotating shaft, the first fence is fixed on the periphery of the top surface of the first drying box, the top surface of the first drying box is provided with a first drying net, and a plurality of first heating rods are evenly arranged on the inner bottom surface of the first drying box along its length direction, the first discharge trough is located on the bottom surface of the right end of the first drying box, the first discharge trough is located on the right side of the first drying net, a first opening and closing door is rotatably provided on the right side of the top end of the first discharge trough, the first opening and closing door is used to open or close the first discharge trough, a torsion spring is provided on the rotating shaft of the first opening and closing door, an opening and closing iron block is provided on the bottom surface of the right end of the first opening and closing door, and a first electromagnet is provided on the inner wall of the right end of the first drying box.

[0010] Preferably, the second drying mechanism includes a second drying box and a second fence, the right end of the second drying box is rotatably connected to the right inner wall of the casing through a second rotating shaft, the second fence is fixed on the periphery of the top surface of the second drying box, the top surface of the second drying box is provided with a second drying net, and a plurality of second heating rods are evenly arranged on the inner bottom surface of the second drying box along its length direction, the second discharge chute is located on the bottom surface of the left end of the second drying box, the second discharge chute is located on the left side of the second drying net, a second opening and closing door is rotatably provided on the left side of the top end of the second discharge chute, the second opening and closing door is used to open or close the second discharge chute, a torsion spring is provided on the rotating shaft of the second opening and closing door, a second opening and closing iron block is provided on the bottom surface of the left end of the second opening and closing door, and a second electromagnet is provided on the inner wall of the left end of the second drying box.

[0011] Preferably, connecting grooves are provided on the inner wall of the casing and at the positions where the first drying box and the second drying box are rotatably connected, the top of the connecting groove is provided with a first chamfer inclined upward, and the bottom of the connecting groove is provided with a second chamfer inclined downward.

[0012] Preferably, the suspension mechanism includes a bracket, which is fixedly arranged on the right end of the casing, and an electric telescopic rod is fixedly installed on the left end of the bracket. A first pull rope is provided at the bottom end of the electric telescopic rod, and a power mechanism is provided at the bottom end of the first pull rope. The power mechanism can drive the second pull rope to move reciprocatingly up and down, and a second pull rope is fixed to the bottom end of the power mechanism. The bottom end of the second pull rope passes through the first drying mechanism and is fixedly connected with the second drying mechanism, and the middle section of the second pull rope is fixedly connected to the first drying mechanism.

[0013] Preferably, the power mechanism includes a cylindrical shell, a third electromagnet, an iron block and a spring, the cylindrical shell is fixed on the bottom end of the first pull rope, the third electromagnet is fixed on the inner top surface of the cylindrical shell, the top end of the second pull rope extends to the interior of the cylindrical shell, the iron block is fixed on the top end of the second pull rope, the spring is located on the outer periphery of the top end of the second pull rope, and the spring is located between the bottom surface of the iron block and the inner bottom surface of the cylindrical shell.

[0014] Preferably, it also includes a tension sensor and a control center, wherein the tension sensor is fixed on the second pull rope and is located between the first drying box and the second drying box, and the control center is electrically connected to the conveyor belt, the screw conveyor, the electric telescopic rod, the third electromagnet, the tension sensor, the first electromagnet, and the second electromagnet.

[0015] Preferably, when the suspension mechanism moves downward a predetermined distance, the right end of the first drying mechanism tilts downward, and at the same time the left end of the second drying mechanism tilts downward, the grain on the first drying mechanism flows to the right end of the second drying mechanism through the first discharge chute, and the grain on the second drying mechanism flows into the feed port of the screw conveyor through the second discharge chute.

[0016] Compared with the prior art, the automatic grain drying device using the above technical solution has the following beneficial effects:

[0017] First, the first drying mechanism and the second drying mechanism can both dry the grains, which can increase the drying area so as to dry more grains at the same time and improve the working efficiency; in addition, when the first drying mechanism and the second drying mechanism are tilted, they also have a guiding effect on the grains, which is beneficial to the flow of the grains; finally, since the grains are continuously rolled and distributed on the top surfaces of the first drying mechanism and the second drying mechanism, the grains form a thinner layer, which avoids the grains from piling up thickly, which is beneficial to the drying of the grains, can shorten the drying time, improve the drying efficiency and improve the drying effect;

[0018] Second, in this device, the left end of the first fence is accommodated in the connecting groove corresponding to the first drying box, so that the grains just fall into the first fence, and at the same time, the right end of the second fence is accommodated in the connecting groove corresponding to the second drying box, so that the grains just fall into the second fence. In addition, the first chamfer can adapt to the upward swinging action of the first drying box and the second drying box, so as to facilitate the rolling of the grains in the first drying box and the second drying box, and the second chamfer can adapt to the downward swinging action of the first drying box and the second drying box, so as to facilitate the downward rolling of the grains;

[0019] 3. When current is intermittently supplied to the third electromagnet, the third electromagnet intermittently generates magnetic force, causing the iron block to move up and down reciprocatingly, and the iron block pulls the top of the second pull rope to move up and down reciprocatingly, wherein the spring is reciprocatingly stretched and compressed, so that the bottom end of the second pull rope simultaneously drives the first drying mechanism and the second drying mechanism to swing back and forth, so that the grains on the top surfaces of the first drying mechanism and the second drying mechanism roll back and forth, so that the grains are dried more evenly and fully, which can improve the effect of grain drying;

[0020] Fourth, when the suspension mechanism moves downward by a predetermined distance, the right end of the first drying mechanism tilts downward, and at the same time, the left end of the second drying mechanism tilts downward, and then the first electromagnet and the second electromagnet are turned on, and the grains on the first drying mechanism flow to the right end of the second drying mechanism through the first discharge chute, and the grains on the second drying mechanism flow into the feed port of the screw conveyor through the second discharge chute, and the screw conveyor is turned on, and the screw conveyor moves the grains inside it to the right and discharges them out from the discharge port at its right end;

[0021] 5. During use, set the preset threshold of the tension sensor in advance. When the tension value of the tension sensor reaches the preset threshold, it means that the second drying mechanism is just covered with grains. At the same time, the conveyor belt is closed through the control center to stop feeding. Then the electric telescopic rod is controlled by the control center to retract its bottom end upward. When the first drying mechanism and the second drying mechanism return to a horizontal state, the electric telescopic rod is closed to keep the first drying mechanism and the second drying mechanism in a horizontal state. At this time, the first heating rod and the second heating rod are turned on for drying. In addition, the power-on state of the third electromagnet can also be controlled by the control center to control the reciprocating rolling of the grains. Finally, when discharging is required, the first electromagnet, the second electromagnet and the screw conveyor can be turned on through the control center. The entire grain drying process is fully automatic, saving manpower and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a main cross-sectional view of an embodiment of the present invention.

[0023] Figure 2 For example Figure 1 Enlarged view of point A in the middle.

[0024] Figure 3 It is a three-dimensional diagram between the suspension mechanism, the first drying mechanism and the second drying mechanism in the embodiment.

[0025] Figure 4 It is a stereoscopic diagram (from another perspective) between the suspension mechanism, the first drying mechanism, and the second drying mechanism in the embodiment.

[0026] Figure 5 It is a front view between the suspension mechanism, the first drying mechanism and the second drying mechanism in the embodiment.

[0027] Figure 6 It is a main cross-sectional view between the suspension mechanism, the first drying mechanism and the second drying mechanism in the embodiment.

[0028] Figure 7 It is a main cross-sectional view of the power mechanism in the embodiment.

[0029] Figure 8 It is a main cross-sectional view of the first heating rod and the first electromagnet in the embodiment.

[0030] Fig. 9 It is an electrical connection block diagram in the embodiment.

[0031] In the figure: casing 1, connecting groove 11, first chamfer 12, second chamfer 13, conveyor belt 2, screw conveyor 3, first drying mechanism 4, first drying box 41, first heating rod 412, first fence 42, first drying net 43, first discharging chute 44, first rotating shaft 45, first electromagnet 46, opening and closing iron block 47, first opening and closing door 48, second drying mechanism 5, second drying box 51, second heating rod 511, second fence 52, second drying net 53, second discharging chute 54, second rotating shaft 55, bracket 6, electric telescopic rod 7, first pull rope 81, second pull rope 82, tension sensor 821, power mechanism 9, cylindrical shell 91, third electromagnet 92, iron block 93, spring 94. DETAILED DESCRIPTION

[0032] The present invention is further described below in conjunction with the accompanying drawings. Example

[0033] like Figure 1The automatic grain drying device shown includes a vertically arranged casing 1, a conveyor belt 2 is provided at the left end of the casing 1, wherein the right end of the conveyor belt 2 is inclined upward, the left end of the conveyor belt 2 is inclined downward, and the left end of the conveyor belt 2 extends into the grain box, and the conveyor belt 2 is used to transport the grain to the inner left end of the casing 1, and a first drying mechanism 4 is rotatably provided on the left inner wall of the casing 1, wherein a distance is reserved between the right end of the first drying mechanism 4 and the right inner wall of the casing 1 to prevent the right end of the first drying mechanism 4 from hitting the right inner wall of the casing 1 during the swinging process, and a second drying mechanism 5 is rotatably provided on the right inner wall of the casing 1, wherein a distance is reserved between the left end of the second drying mechanism 5 and the left inner wall of the casing 1 to prevent the left end of the second drying mechanism 5 from hitting the left inner wall of the casing 1 during the swinging process, and the first drying mechanism 4 is located above the second drying mechanism 5.

[0034] like Figure 1 As shown, a suspension mechanism is provided on the right end of the casing 1, and the bottom end of the suspension mechanism is connected to the first drying mechanism 4 and the second drying mechanism 5. The length of the suspension mechanism can be reciprocatedly extended and shortened, wherein the suspension mechanism is distributed along the vertical direction. When the suspension mechanism is at an initial length, the first drying mechanism 4 and the second drying mechanism 5 are both distributed along the horizontal direction. When the suspension mechanism is shortened upward, the right end of the first drying mechanism 4 is tilted upward, and the left end of the second drying mechanism 5 is tilted upward. When the suspension mechanism is extended downward, the right end of the first drying mechanism 4 is tilted downward, and the left end of the second drying mechanism 5 is tilted downward.

[0035] like Figure 1 As shown, a screw conveyor 3 is horizontally provided at the inner bottom end of the casing 1, a first discharge trough 44 is provided at the right end of the first drying mechanism 4, and a second discharge trough 54 is provided at the left end of the second drying mechanism 5. The second discharge trough 54 is located directly above the feed port of the screw conveyor 3, wherein the right end discharge port of the screw conveyor 3 extends to the outer side of the casing 1.

[0036] In use, the suspension mechanism is first extended downward for a distance, the bottom end of the suspension mechanism moves downward for a distance, and the first drying mechanism 4 and the second drying mechanism 5 rotate downward at the same time under the action of their own gravity. Specifically, the right end of the first drying mechanism 4 rotates downward, and at the same time, the left end of the second drying mechanism 5 rotates downward, so that the first drying mechanism 4 and the second drying mechanism 5 are both in an inclined state. At this time, the first discharge chute 44 is opened and the second discharge chute 54 is closed, and then the conveyor belt 2 is opened, and the grains in the grain box are moved to the conveyor belt 2, and the conveyor belt 2 moves toward the upper right to transport the grains to the position above the left end of the casing 1, and then the grains fall into the left end of the casing 1. Specifically, the grains first fall on the left end of the first drying mechanism 4, and the grains roll along the first drying mechanism 4 toward the lower right, and the grains flow into the right end of the second drying mechanism 5 through the first discharge chute 44, and the grains roll along the second drying mechanism 5 toward the lower left to the left end of the second drying mechanism 5.

[0037] When the first drying mechanism 4 and the second drying mechanism 5 are full of grains, the conveyor belt 2 is closed to stop feeding, and the first discharge trough 44 is closed to prevent the grains on the first drying mechanism 4 from continuing to fall, and then the suspension mechanism is moved upward by one end distance, so that the first drying mechanism 4 and the second drying mechanism 5 are restored to a horizontal state, so that the first drying mechanism 4 and the second drying mechanism 5 can dry the grains thereon respectively. Among them, the first drying mechanism 4 and the second drying mechanism 5 can both dry the grains, and the drying area can be increased so that more grains can be dried at the same time, thereby improving the operation efficiency; in addition, when the first drying mechanism 4 and the second drying mechanism 5 are tilted, they also have a guiding effect on the grains, which is conducive to the flow of the grains; finally, because the grains are continuously rolled and distributed on the top surfaces of the first drying mechanism 4 and the second drying mechanism 5, the grains form a thinner layer, avoiding thick accumulation of grains, which is conducive to drying the grains, and can shorten the drying time, improve the drying efficiency, and improve the drying effect.

[0038] like Figure 3-Figure 6 , Figure 8As shown, the first drying mechanism 4 includes a first drying box 41 and a first fence 42, the left end of the first drying box 41 is rotatably connected to the left inner wall of the casing 1 through a first rotating shaft 45, wherein the first drying box 41 has a cavity with a rectangular structure, and the first fence 42 is fixed on the periphery of the top surface of the first drying box 41, wherein the first fence 42 surrounds the grains to prevent the grains from falling from the periphery of the first drying box 41, and the top surface of the first drying box 41 is provided with a first drying net 43, and the first drying net 43 is used to carry the grains, and a plurality of first heating rods 412 are evenly arranged on the inner bottom surface of the first drying box 41 along its length direction, wherein the first drying box 41 is also provided with a battery inside, and the battery supplies power to the heating rods 412. The first discharge chute 44 is located on the bottom surface of the right end of the first drying box 41, and the first discharge chute 44 is located on the right side of the drying net 43. A first opening and closing door 48 is rotatably provided on the right side of the top end of the first discharge chute 44. The first opening and closing door 48 is used to open or close the first discharge chute 44. A torsion spring is provided on the rotating shaft of the first opening and closing door 48, and an opening and closing iron block 47 is provided on the bottom surface of the right end of the first opening and closing door 48. A first electromagnet 46 is provided on the inner wall of the right end of the first drying box 41.

[0039] In use, the grains first fall onto the left end of the first drying net 43. When the suspension mechanism moves downward for a distance, the first drying box 41 swings downward at the right end under the action of its own gravity and the first rotating shaft 45. The first drying box 41 drives the first drying net 43 to swing downward to the right, so that the grains roll toward the right downward along the inclined first drying net 43. When the grains cover the entire first drying net 43, the multiple first heating rods 412 are turned on, and the multiple first heating rods 412 heat the air around them, and the hot air flows upward to dry the grains on the first drying net 43.

[0040] When the first electromagnet 46 is turned on, the first electromagnet 46 generates a magnetic attraction and attracts the opening and closing iron block 47 to the right, so that the left end of the first opening and closing door 48 rotates downward, thereby opening the first discharge chute 44 to facilitate the downward flow of grains from the first discharge chute 44; when the first electromagnet 46 is closed, the left end of the first opening and closing door 48 rotates upward under the torsion force of the torsion spring, thereby closing the first discharge chute 44, so as to prevent the grains on the first drying net 43 from accidentally flowing downward from the first discharge chute 44, thereby ensuring that the grains on the first drying net 43 are dried smoothly.

[0041] like Figure 3-Figure 6As shown, the second drying mechanism 5 includes a second drying box 51 and a second fence 52. The right end of the second drying box 51 is rotatably connected to the right inner wall of the casing 1 through a second rotating shaft 53. The second fence 52 is fixed on the periphery of the top surface of the second drying box 51. The top surface of the second drying box 51 is provided with a second drying net 53. A plurality of second heating rods 511 are evenly arranged on the inner bottom surface of the second drying box 51 along its length direction. The second discharge trough 54 is located on the bottom surface of the left end of the second drying box 51. The second discharge trough 54 is located on the left side of the second drying net 53. A second opening and closing door is rotatably provided on the left side of the top end of the second discharge trough 54. The second opening and closing door is used to open or close the second discharge trough 54. A torsion spring is provided on the rotating shaft of the second opening and closing door. A second opening and closing iron block is provided on the bottom surface of the left end of the second opening and closing door. A second electromagnet is provided on the inner wall of the left end of the second drying box 51.

[0042] In use, the grains falling downward from the first discharge chute 44 directly fall into the right end of the second drying box 51, wherein, when the suspension mechanism moves downward for a distance, the left end of the second drying box 51 swings downward under the action of its own gravity and the second rotating shaft 53, and the second drying box 51 drives the left end of the second drying net 53 to swing downward, and then the grains roll to the left along the inclined second drying net 53, and when the grains cover the entire second drying net 53, the multiple second heating rods are turned on, and the multiple second heating rods dry the grains on the second drying net 53. In this device, more grains can be dried at the same time by the first drying mechanism 4 and the second drying mechanism 5, thereby shortening the operation time.

[0043] like Figure 1 , Figure 2 As shown, connecting grooves 11 are provided on the inner wall of the casing 1 and at the positions where the first drying box 41 and the second drying box 51 are rotatably connected. A first chamfer 12 is provided at the top of the connecting groove 11 and tilted upward, and a second chamfer 13 is provided at the bottom of the connecting groove 11 and tilted downward.

[0044] In the present device, the left end of the first fence 42 is accommodated in the connection groove 11 corresponding to the first drying box 41, so that the grains just fall into the first fence 42, and at the same time, the right end of the second fence 52 is accommodated in the connection groove 11 corresponding to the second drying box 51, so that the grains just fall into the second fence 52. In addition, the first chamfer 12 can adapt to the upward swinging action of the first drying box 41 and the second drying box 51, so as to facilitate the rolling of the grains in the first drying box 41 and the second drying box 51, and the second chamfer 13 can adapt to the downward swinging action of the first drying box 41 and the second drying box 51, so as to facilitate the downward rolling of the grains.

[0045] like Figure 1 , Figure 3-Figure 6As shown, the suspension mechanism includes a bracket 6, which is fixedly arranged on the right end of the casing 1, and an electric telescopic rod 7 is fixedly installed on the left end of the bracket 6. The electric telescopic rod 7 is vertically distributed downward, and a first pull rope 81 is provided at the bottom end of the electric telescopic rod 7. A power mechanism 9 is provided at the bottom end of the first pull rope 81. The power mechanism 9 can drive the second pull rope 82 to move up and down reciprocatingly. A second pull rope 82 is fixed to the bottom end of the power mechanism 9, and the bottom end of the second pull rope 82 passes through the first drying mechanism 4 and the second drying mechanism 5 and is fixedly connected, and the middle section of the second pull rope 82 is fixedly connected to the first drying mechanism 4.

[0046] During use, when the bottom end of the electric telescopic rod 7 is extended downward, the bottom end of the electric telescopic rod 7 drives the first pull rope 81 to move downward, and the first pull rope 81 drives the second pull rope 82 to move downward through the power mechanism 9, and the first drying mechanism 4 and the second drying mechanism 5 swing under the action of their own gravity. Specifically, the right end of the first drying mechanism 4 swings downward, and at the same time, the left end of the second drying mechanism 5 swings downward, thereby realizing the function of feeding the first drying mechanism 4 and the second drying mechanism 5, and can also perform discharge operations on the first drying mechanism 4 and the second drying mechanism 5.

[0047] like Figure 7 As shown, specifically, the power mechanism 9 includes a cylindrical shell 91, a third electromagnet 92, an iron block 93 and a spring 94, the cylindrical shell 91 is fixed on the bottom end of the first pull rope 81, the third electromagnet 92 is fixed on the inner top surface of the cylindrical shell 91, the top end of the second pull rope 82 extends to the interior of the cylindrical shell 91, the iron block 93 is fixed on the top end of the second pull rope 82, the spring 94 is located on the outer periphery of the top end of the second pull rope 82, and the spring 94 is located between the bottom surface of the iron block 93 and the inner bottom surface of the cylindrical shell 91.

[0048] During use, when current is intermittently passed through the third electromagnet 92, the third electromagnet 92 intermittently generates magnetic force, causing the iron block 93 to move up and down reciprocatingly, and the iron block 93 pulls the top of the second pull rope 82 to move up and down reciprocatingly, wherein the spring 94 is reciprocatingly stretched and compressed, so that the bottom end of the second pull rope 82 simultaneously drives the first drying mechanism 4 and the second drying mechanism 5 to swing back and forth, causing the grains on the top surfaces of the first drying mechanism 4 and the second drying mechanism 5 to roll back and forth, making the grains dried more evenly and fully, which can improve the effect of the grain drying process.

[0049] like Figure 6As shown, when the suspension mechanism moves downward by a predetermined distance, the right end of the first drying mechanism 4 tilts downward, and at the same time the left end of the second drying mechanism 5 tilts downward, and then the first electromagnet 46 and the second electromagnet are turned on, and the grains on the first drying mechanism 4 flow to the right end of the second drying mechanism 5 through the first discharge chute 44, and the grains on the second drying mechanism 5 flow into the feed port of the screw conveyor 3 through the second discharge chute 54, and the screw conveyor 3 is turned on, and the screw conveyor 3 moves the grains inside it to the right and discharges them outward from the discharge port at its right end. Example

[0050] The difference between this embodiment and the first embodiment is that:

[0051] like Figure 6 , Fig. 9 As shown, it also includes a tension sensor 821 and a control center. The tension sensor 821 is fixed on the second pull rope 82 and is located between the first drying box 41 and the second drying box 51. The control center is electrically connected to the conveyor belt 2, the screw conveyor 3, the electric telescopic rod 7, the third electromagnet 92, the tension sensor 821, the first electromagnet 46, and the second electromagnet.

[0052] In use, the predetermined threshold of the tension sensor 821 is set in advance. When the tension value of the tension sensor 821 reaches the predetermined threshold, it means that the second drying mechanism 5 is just full of grains at this time, and the conveyor belt 2 is closed by the control center to stop feeding; then the electric telescopic rod 7 is controlled by the control center to retract its bottom end upward. When the first drying mechanism 4 and the second drying mechanism 5 return to a horizontal state, the electric telescopic rod 7 is closed to keep the first drying mechanism 4 and the second drying mechanism 5 in a horizontal state, and the first heating rod and the second heating rod are turned on to perform drying operations; in addition, the power-on state of the third electromagnet 92 can also be controlled by the control center to control the reciprocating rolling of the grains; finally, when discharging is required, the first electromagnet 46, the second electromagnet and the screw conveyor 3 can be turned on by the control center. The entire grain drying process is fully automated, saving manpower and improving work efficiency.

[0053] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An automatic grain drying device, comprising a vertically arranged housing (1), a conveyor belt (2) being provided at the left end of the housing (1), the conveyor belt (2) being used to convey grains to the inner left end of the housing (1), characterized in that: A first drying mechanism (4) is rotatably provided on the left inner wall of the casing (1), and a second drying mechanism (5) is rotatably provided on the right inner wall of the casing (1), wherein the first drying mechanism (4) is located above the second drying mechanism (5); A suspension mechanism is provided on the right end of the casing (1); the bottom end of the suspension mechanism is connected to the first drying mechanism (4) and the second drying mechanism (5); the length of the suspension mechanism can be reciprocatedly extended and shortened; when the suspension mechanism is at an initial length, the first drying mechanism (4) and the second drying mechanism (5) are both distributed in the horizontal direction; when the suspension mechanism is shortened upward, the right end of the first drying mechanism (4) is tilted upward, and the left end of the second drying mechanism (5) is tilted upward; when the suspension mechanism is extended downward, the right end of the first drying mechanism (4) is tilted downward, and the left end of the second drying mechanism (5) is tilted downward; A screw conveyor (3) is horizontally arranged at the inner bottom end of the casing (1), a first discharge trough (44) is arranged at the right end of the first drying mechanism (4), and a second discharge trough (54) is arranged at the left end of the second drying mechanism (5), and the second discharge trough (54) is located directly above the feed port of the screw conveyor (3); The suspension mechanism comprises a bracket (6), the bracket (6) being fixedly arranged on the right end of the casing (1), an electric telescopic rod (7) being fixedly mounted on the left end of the bracket (6), a first pull rope (81) being provided at the bottom end of the electric telescopic rod (7), a power mechanism (9) being provided at the bottom end of the first pull rope (81), a second pull rope (82) being fixed at the bottom end of the power mechanism (9), the power mechanism (9) being capable of driving the second pull rope (82) to move up and down reciprocatingly, the bottom end of the second pull rope (82) passing through the first drying mechanism (4) and being fixedly connected to the second drying mechanism (5), and the middle section of the second pull rope (82) being fixedly connected to the first drying mechanism (4); The power mechanism (9) comprises a cylindrical shell (91), a third electromagnet (92), an iron block (93) and a spring (94); the cylindrical shell (91) is fixed on the bottom end of the first pull rope (81); the third electromagnet (92) is fixed on the inner top surface of the cylindrical shell (91); the top end of the second pull rope (82) extends to the inside of the cylindrical shell (91); the iron block (93) is fixed on the top end of the second pull rope (82); the spring (94) is located on the outer periphery of the top end of the second pull rope (82); and the spring (94) is located between the bottom surface of the iron block (93) and the inner bottom surface of the cylindrical shell (91).

2. The automatic grain drying device according to claim 1, characterized in that: The first drying mechanism (4) comprises a first drying box (41) and a first fence (42); the left end of the first drying box (41) is rotatably connected to the left inner wall of the casing (1) via a first rotating shaft (45); the first fence (42) is fixed on the periphery of the top surface of the first drying box (41); the top surface of the first drying box (41) is provided with a first drying net (43); a plurality of first heating rods (412) are evenly arranged on the inner bottom surface of the first drying box (41) along its length direction; the first discharge trough (44) is located On the right end bottom surface of the first drying box (41), the first discharge trough (44) is located at the right side of the first drying net (43), and a first opening and closing door (48) is rotatably provided on the right side of the top end of the first discharge trough (44). The first opening and closing door (48) is used to open or close the first discharge trough (44), and a torsion spring is provided on the rotating shaft of the first opening and closing door (48). An opening and closing iron block (47) is provided on the right end bottom surface of the first opening and closing door (48), and a first electromagnet (46) is provided on the right end inner wall of the first drying box (41).

3. The automatic grain drying device according to claim 2 is characterized in that: The second drying mechanism (5) comprises a second drying box (51) and a second fence (52); the right end of the second drying box (51) is rotatably connected to the right inner wall of the casing (1) via a second rotating shaft (55); the second fence (52) is fixed on the periphery of the top surface of the second drying box (51); the top surface of the second drying box (51) is provided with a second drying net (53); the inner bottom surface of the second drying box (51) is evenly provided with a plurality of second heating rods (511) along its length direction; the second discharge trough (54) is located on the bottom surface of the left end of the second drying box (51); the second discharge trough (54) is located on the left side of the second drying net (53); a second opening and closing door is rotatably provided on the left side of the top end of the second discharge trough (54); the second opening and closing door is used to open or close the second discharge trough (54); a torsion spring is provided on the rotating shaft of the second opening and closing door; a second opening and closing iron block is provided on the bottom surface of the left end of the second opening and closing door; and a second electromagnet is provided on the inner wall of the left end of the second drying box (51).

4. The automatic grain drying device according to claim 3 is characterized in that: A connecting groove (11) is provided on the inner wall of the housing (1) and at the position where the first drying box (41) and the second drying box (51) are rotatably connected. A first chamfer (12) is provided at the top end of the connecting groove (11) and is inclined upward. A second chamfer (13) is provided at the bottom end of the connecting groove (11) and is inclined downward.

5. The automatic grain drying device according to claim 1, characterized in that: It also includes a tension sensor (821) and a control center, wherein the tension sensor (821) is fixed on the second pull rope (82) and is located between the first drying box (41) and the second drying box (51), and the control center is electrically connected to the conveyor belt (2), the screw conveyor (3), the electric telescopic rod (7), the third electromagnet (92), the tension sensor (821), the first electromagnet (46), and the second electromagnet.

6. The automatic grain drying device according to claim 1, characterized in that: When the suspension mechanism moves downward a predetermined distance, the right end of the first drying mechanism (4) tilts downward, and at the same time the left end of the second drying mechanism (5) tilts downward, the grains on the first drying mechanism (4) flow through the first discharge chute (44) to the right end of the second drying mechanism (5), and the grains on the second drying mechanism (5) flow through the second discharge chute (54) into the feed port of the screw conveyor (3).

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