Rolling type grain drying machine

Abstract

The utility model belongs to the field of grain drying machines, and particularly relates to a rolling type grain drying machine which comprises a supporting block, the top face of the supporting block is fixedly connected with a driving motor, the output end of the driving motor is fixedly connected with a drying machine body, and the inner side wall of the drying machine body is fixedly connected with a connecting assembly. One end of the connecting assembly is fixedly connected with an inner barrel assembly, and the back face of the drying machine body is fixedly connected with hinges in an axial symmetry mode; by arranging the inclined pushing plates distributed on the inner wall of the inner barrel in an annular array mode, when the driving motor drives the dryer body to rotate, the pushing plates can continuously accumulate and lift grains to the high position of the inner barrel to enable the grains to naturally fall down, the rolling type throwing process is formed, and the contact area between the grains and hot air is effectively increased; meanwhile, the problem of slipping between the grain self-weight and the inner barrel wall is solved through the friction effect between the pushing plate and the grains, the grains are prevented from being stacked at the bottom, and it is ensured that hot air evenly penetrates through a grain layer to achieve efficient drying.

Description

Technical Field

[0001] This utility model relates to the field of grain dryers, specifically a tumbling grain dryer. Background Technology

[0002] Rice, wheat, corn kernels, or other crops all need to be dried after harvesting in order to facilitate subsequent processing or long-term storage.

[0003] In the prior art, such as in publication number CN214406789U, a tumbling grain dryer is disclosed, which includes a support frame, a drying cylinder, and a drive motor. One end of the drying cylinder is connected to the output end of the drive motor, and the other end of the drying cylinder is connected to the support frame through a bearing. The drying cylinder is provided with a feed inlet. The support frame is equipped with a first hydraulic cylinder, a second hydraulic cylinder, a feed funnel, and a hot air blower. The first hydraulic cylinder is fixedly connected to the feed funnel, and the second hydraulic cylinder is fixedly connected to the hot air blower. The feed funnel is provided with a channel that cooperates with the feed inlet, and the hot air blower is provided with an air inlet duct that cooperates with the feed inlet.

[0004] While the aforementioned patent utilizes a rotating drying drum in conjunction with a hot air blower to dry grains, allowing the grains to rotate and fall within the drum, increasing the contact area with hot air and maintaining grain integrity while improving drying efficiency, it is prone to situations where the friction between the grains and the inner wall of the drying drum is less than the weight of the grains themselves. This causes the grains to slip between themselves and the rotating drum, preventing them from rotating to a higher position and falling, resulting in grain accumulation and affecting the drying effect. Furthermore, cleaning the dust inside the drum after drying and removing the grains is quite complex. Therefore, to address these issues, a tumbling grain dryer is proposed. Utility Model Content

[0005] To address the shortcomings of existing technologies, such as the tendency for the friction between the grain and the inner wall of the drying drum to be less than the weight of the grain itself, causing the grain to slip between itself and the rotating drying drum and thus preventing it from rotating to a higher position and falling back down, the grain continues to accumulate, affecting the drying effect. In addition, cleaning the dust inside the drum after the grain has been dried and removed is a rather complicated problem. This utility model proposes a tumbling grain dryer.

[0006] The technical solution adopted by this utility model to solve its technical problem is as follows: The tumbling grain dryer of this utility model includes a support block, a drive motor is fixedly connected to the top surface of the support block, the output end of the drive motor is fixedly connected to the dryer body, a connecting assembly is fixedly connected to the inner side wall of the dryer body, an inner cylinder assembly is fixedly connected to one end of the connecting assembly, a hinge is fixedly connected to the back of the dryer body in an axisymmetric manner, a cover plate is fixedly connected to the side of the hinge, a sealing handle structure is fixedly connected to the side of the cover plate, and a support base is rotatably connected to the bottom surface of the dryer body in an axisymmetric manner.

[0007] The connecting assembly includes a square tube fixedly connected to the inner wall of the dryer body, an insert block inserted inside the square tube, a locking hole symmetrically opened on the side of the square tube, a sleeve hole symmetrically opened on the side of the insert block, a spring sleeved inside the sleeve hole, and a locking bead fixedly connected to one end of the spring, the locking bead locking into the inside of the locking hole.

[0008] The inner cylinder assembly includes an inner cylinder fixedly connected to one end of the insert block, and the inner wall of the inner cylinder is fixedly connected with a plurality of push plates in a ring array.

[0009] A bracket is fixedly connected to the side of the inner cylinder, a positioning block is fixedly connected to the side of the bracket, a positioning tube is inserted into the surface of the positioning block, and the positioning tube is fixedly connected to the side of the cover plate.

[0010] Preferably, the sealing handle structure is fixedly connected to the connection point between the cover plate and the dryer body on the side away from the hinge.

[0011] Preferably, the push plates on the inner wall of the inner cylinder are inclinedly distributed along the axial direction of the inner cylinder.

[0012] Preferably, the connection between the bracket and the inner cylinder is fixedly connected to the positioning block perpendicularly, and the axial direction of the positioning tube is perpendicular to the plane of the cover plate.

[0013] Preferably, the insert block and the square tube are detachably connected by a spring-loaded clip.

[0014] Preferably, the support base includes two sets of symmetrically distributed support legs, each set of support legs having a roller at the top and being rotatably connected to the bottom surface of the dryer body.

[0015] The advantages of this utility model are:

[0016] 1. This utility model uses inclined push plates arranged in a ring array on the inner wall of the inner cylinder. When the drive motor drives the dryer body to rotate, the push plates can continuously accumulate and lift the grain to the high point of the inner cylinder and then let it fall naturally, forming a tumbling and throwing process. This effectively increases the contact area between the grain and the hot air. At the same time, the friction between the push plates and the grain overcomes the problem of slippage between the grain's own weight and the inner cylinder wall, preventing the grain from accumulating at the bottom and ensuring that the hot air penetrates the grain layer evenly to achieve efficient drying.

[0017] 2. This utility model uses a spring and locking mechanism between the insert block and the square tube in the connecting assembly, and the positioning tube on the side of the cover plate is inserted and positioned with the positioning block on the inner cylinder support. When cleaning is required, the inner cylinder assembly can be quickly disassembled by simply pulling open the cover plate and dragging the inner cylinder through the sealing handle structure, so that the locking block is pressed out of the square tube locking hole. This simplifies the cleaning and maintenance process of the inner cylinder and the push plate. At the same time, the insertion design of the positioning tube and the positioning block ensures the rotational stability and sealing of the inner cylinder when the cover plate is closed. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This is a schematic diagram of the connection component structure of this utility model;

[0021] Figure 3 This is a schematic diagram of the inner cylinder assembly structure of this utility model;

[0022] Figure 4 This is a schematic diagram of the disassembled structure of this utility model.

[0023] In the diagram: 1. Support block; 2. Drive motor; 3. Dryer body; 4. Connecting assembly; 41. Square tube; 42. Insert block; 43. Spring; 44. Clip; 5. Inner cylinder assembly; 51. Inner cylinder; 52. Push plate; 6. Hinge; 7. Cover plate; 8. Sealing handle structure; 9. Support base; 10. Bracket; 11. Positioning block; 12. Positioning tube. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0025] Please see Figures 1-4 As shown, a tumbling grain dryer includes a support block 1, a drive motor 2 fixedly connected to the top surface of the support block 1, a dryer body 3 fixedly connected to the output end of the drive motor 2, a connecting assembly 4 fixedly connected to the inner wall of the dryer body 3, an inner cylinder assembly 5 fixedly connected to one end of the connecting assembly 4, a hinge 6 fixedly connected to the back of the dryer body 3 in an axisymmetric manner, a cover plate 7 fixedly connected to the side of the hinge 6, a sealing handle structure 8 fixedly connected to the side of the cover plate 7, and a support base 9 rotatably connected to the bottom surface of the dryer body 3 in an axisymmetric manner; the inner cylinder assembly 5 includes an inner cylinder 51 fixedly connected to one end of an insert block 42, and a plurality of push plates 52 fixedly connected to the inner wall of the inner cylinder 51 in a ring array.

[0026] During operation, the drive motor 2 starts and drives the dryer body 3 to rotate as a whole. The square tube 41 fixed to its inner wall rotates together and drives the inner cylinder 51 of the inner cylinder assembly 5 to rotate around the axis synchronously through the insert block 42. The push plates 52, which are arranged in a ring array on the inner wall of the inner cylinder 51 and are inclined along the axis, continuously accumulate and lift the grain to the top of the inner cylinder 51 during the rotation. When the grain reaches the highest point, it falls freely under the action of gravity, forming a continuous tumbling and scattering state, so that the grain can fully contact the hot air introduced into the dryer body 3. The inclined design of the push plates 52 increases the friction between the grain and the grain, effectively overcomes the problem of slippage between the grain and the inner cylinder 51 wall, avoids the accumulation of grain at the bottom of the cylinder, and ensures that the hot air penetrates the grain layer evenly to achieve efficient drying.

[0027] Furthermore, the connecting assembly 4 includes a square tube 41 fixedly connected to the inner wall of the dryer body 3. A plug 42 is inserted into the inside of the square tube 41. A locking hole is symmetrically opened on the side of the square tube 41. A sleeve hole is symmetrically opened on the side of the plug 42. A spring 43 is sleeved inside the sleeve hole. A locking bead 44 is fixedly connected to one end of the spring 43. The locking bead 44 is locked into the inside of the locking hole. A bracket 10 is fixedly connected to the side of the inner cylinder 51. A positioning block 11 is fixedly connected to the side of the bracket 10. A positioning tube 12 is inserted into the surface of the positioning block 11. The positioning tube 12 is fixedly connected to the side of the cover plate 7.

[0028] During operation, when the inner cylinder 51 needs to be disassembled for cleaning, the operator pulls the cover plate 7 outward through the sealing handle structure 8 on the side of the cover plate 7, so that the hinge 6 unfolds and the positioning tube 12 is disconnected from the positioning block 11 on the bracket 10; then, the inner cylinder 51 is pulled along the axial direction, and the locking bead 44 on the side of the insertion block 42 is squeezed by the inner wall of the square tube 41, causing the spring 43 to retract into the sleeve hole until the locking bead 44 is completely disengaged from the locking hole on the side of the square tube 41. At this time, the inner cylinder 51 and the insertion block 42 can be pulled out of the square tube 41 as a whole; after cleaning, the insertion block 42 is pushed in the opposite direction so that the locking bead 44 automatically pops into the locking hole to complete the engagement, and the cover plate 7 is closed so that the positioning tube 12 is reinserted into the positioning block 11 to ensure the stability and sealing of the inner cylinder 51 when it rotates.

[0029] Furthermore, the connection between the bracket 10 and the inner cylinder 51 is fixedly connected to the positioning block 11 in a perpendicular manner, and the axial direction of the positioning tube 12 is perpendicular to the plane of the cover plate 7.

[0030] During operation, when the cover plate 7 is closed by the hinge 6, the positioning tube 12 is precisely inserted into the positioning block 11 on the side of the bracket 10, forming an axial limiting constraint to ensure that the inner cylinder 51 coincides with the rotation center axis of the dryer body 3, preventing the inner cylinder 51 from shifting due to centrifugal force or vibration. The vertical fixing design enhances the structural strength between the bracket 10 and the positioning block 11, maintaining the stability of the inner cylinder 51 during high-speed rotation. At the same time, the vertical fit between the positioning tube 12 and the cover plate 7 further improves the sealing effect when the cover plate 7 is closed, preventing hot air leakage.

[0031] Furthermore, the support base 9 includes two sets of symmetrically distributed support legs, each set of support legs having a roller at the top and being rotatably connected to the bottom surface of the dryer body 3;

[0032] During operation, when the drive motor 2 drives the dryer body 3 to rotate, the rollers of the two sets of support legs rotate synchronously around the fulcrum of the support base 9, which counteracts the lateral force generated by the rotation of the dryer body 3 and reduces the wear of the support structure. The symmetrically distributed support leg design makes the center of gravity of the dryer body 3 evenly distributed, avoiding the equipment from tilting or shaking due to force on one side. At the same time, the roller structure reduces the frictional resistance when the dryer body 3 rotates, reduces the energy consumption of the drive motor 2, and improves the overall operational stability and long-term reliability.

[0033] Working principle: After the drive motor 2 starts, it drives the dryer body 3, which is fixedly connected to it, to rotate around the axis through the output end. The square tube 41 fixedly connected to the inner wall of the dryer body 3 rotates synchronously with it, and drives the inner cylinder 51 of the inner cylinder assembly 5 to rotate synchronously through the insert block 42. The inclined push plates 52 distributed in a ring array on the inner wall of the inner cylinder 51 continuously push the grain upward to the top of the inner cylinder 51 during the rotation. When the grain reaches the highest point, it falls freely under the action of gravity, forming a continuous tumbling and scattering path, so that the grain can fully contact the hot air introduced into the dryer body 3 to achieve uniform drying; support base 9. The rollers at the top of the two sets of symmetrical support legs are rotatably connected to the bottom surface of the dryer body 3 to counteract the lateral force generated by rotation and maintain the balance of the equipment. When maintenance is required, the cover plate 7 is pulled open by the sealing handle structure 8 to release the insertion of the positioning tube 12 and the positioning block 11 on the bracket 10. The inner cylinder 51 is pulled outward to make the locking bead 44 of the insertion block 42 retract and disengage from the locking hole of the square tube 41, thus completing the quick disassembly and cleaning of the inner cylinder assembly 5. When installed in reverse, the locking bead 44 is reset by the spring 43 and locked into the locking hole and the cover plate 7 is closed so that the positioning tube 12 is inserted into the positioning block 11, ensuring the rotational stability and sealing of the inner cylinder 51.

[0034] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, or similar improvements made within the theoretical and principle content of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A tumbling grain dryer, characterized in that: The dryer includes a support block (1), a drive motor (2) is fixedly connected to the top surface of the support block (1), a dryer body (3) is fixedly connected to the output end of the drive motor (2), a connecting component (4) is fixedly connected to the inner side wall of the dryer body (3), an inner cylinder component (5) is fixedly connected to one end of the connecting component (4), a hinge (6) is fixedly connected to the back of the dryer body (3) in an axially symmetrical manner, a cover plate (7) is fixedly connected to the side of the hinge (6), a sealing handle structure (8) is fixedly connected to the side of the cover plate (7), and a support base (9) is rotatably connected to the bottom surface of the dryer body (3) in an axially symmetrical manner. The connecting assembly (4) includes a square tube (41) fixedly connected to the inner wall of the dryer body (3). A plug (42) is inserted into the inside of the square tube (41). The side of the square tube (41) is provided with a locking hole in an axially symmetrical manner. The side of the plug (42) is provided with a sleeve hole in an axially symmetrical manner. A spring (43) is sleeved inside the sleeve hole. One end of the spring (43) is fixedly connected with a locking bead (44). The locking bead (44) is locked inside the locking hole. The inner cylinder assembly (5) includes an inner cylinder (51) fixedly connected to one end of the insert block (42), and the inner wall of the inner cylinder (51) is fixedly connected with a plurality of push plates (52) in a ring array; A bracket (10) is fixedly connected to the side of the inner cylinder (51), and a positioning block (11) is fixedly connected to the side of the bracket (10). A positioning tube (12) is inserted into the surface of the positioning block (11), and the positioning tube (12) is fixedly connected to the side of the cover plate (7).

2. The tumbling grain dryer according to claim 1, characterized in that: The sealing handle structure (8) is fixedly connected to the side of the cover plate (7) away from the hinge (6) at the connection point with the dryer body (3).

3. A tumbling grain dryer according to claim 1, characterized in that: The push plates (52) on the inner wall of the inner cylinder (51) are inclined along the axial direction of the inner cylinder (51).

4. A tumbling grain dryer according to claim 1, characterized in that: The connection between the bracket (10) and the inner cylinder (51) is fixedly connected to the positioning block (11) in a perpendicular manner, and the axial direction of the positioning tube (12) is perpendicular to the plane of the cover plate (7).

5. A tumbling grain dryer according to claim 1, characterized in that: The insert (42) and the square tube (41) are connected in a detachable snap-fit ​​manner by a spring (43) pressed by a snap-fit ​​bead (44).

6. A tumbling grain dryer according to claim 1, characterized in that: The support base (9) includes two sets of symmetrically distributed support legs. Each set of support legs is equipped with rollers at the top and is rotatably connected to the bottom surface of the dryer body (3).

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