Rake type anti-accumulation grain turning device

Abstract

The utility model discloses a rake type anti-accumulation grain flipping device which comprises an airing disc, a grain stirring arm rotationally installed in the airing disc and a motor used for driving the grain stirring arm to rotate, the motor is embedded in the bottom of the airing disc, the grain stirring arm comprises a rotating sleeve rotationally installed on the airing disc and two rotating arms arranged on the two sides of the rotating sleeve respectively, and the rotating sleeve is sleeved with the rotating arms. The bottom of each rotating arm is provided with a plurality of valve plate mechanisms capable of being opened and closed, when the rotating arms rotate forwards, the valve plate mechanisms are opened by grain resistance, when the rotating arms rotate backwards, the valve plate mechanisms are closed by grain resistance, each valve plate mechanism comprises a first valve plate and a second valve plate which are symmetrically arranged, and the first valve plates and the second valve plates are rotationally installed at the bottoms of the rotating arms. The grain stirring mechanism is reasonable in structural design, the grain stirring arm is driven by the motor to rotate forwards and backwards, opening and closing of the valve plate mechanism can be achieved, the problems that an existing tedding device is poor in air permeability and uneven in water content in the high-humidity grain airing process can be effectively solved, and meanwhile the grain collecting efficiency can be improved.

Description

Technical Field

[0001] This utility model belongs to the field of grain drying machinery technology, specifically relating to a rake-type anti-stacking grain turning device. Background Technology

[0002] Currently, most agricultural products require processing before long-term storage. However, in some regions, the harvest season often coincides with the rainy season, making improper drying prone to mold and affecting marketability. Existing agricultural product drying devices use grain-distributing arms buried at the bottom of the grain piled in the drying trays. When the arms rotate clockwise, they cannot evenly turn the top layer of grain, resulting in poor air permeability and uneven moisture content for drying high-humidity grains. Reversing the arms to push the grain into the outlet is inefficient, leading to excessively long drying times, as illustrated by Chinese Patent No. CN 222279089 U, which discloses an automatic spreading and recycling space-rotating agricultural product drying device. Therefore, a rake-type anti-piling grain-turning device is needed to solve these problems. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a rake-type anti-piling grain turning device to address the shortcomings of the prior art. Its structure is reasonably designed. The opening and closing of the valve plate mechanism can be realized by driving the grain turning arm to rotate forward and backward by a motor. It can effectively solve the problems of poor air permeability and uneven moisture content in the existing turning and drying equipment during high humidity grain drying, and at the same time improve the grain collection efficiency.

[0004] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is: a rake-type anti-stacking grain turning device, characterized in that: it includes a drying tray, a grain-dispensing arm rotatably installed in the drying tray, and a motor for driving the grain-dispensing arm to rotate, wherein the motor is embedded in the bottom of the drying tray;

[0005] The grain-dispensing arm includes a rotating sleeve rotatably mounted on a drying tray and two rotating arms respectively disposed on both sides of the rotating sleeve. Each rotating arm has multiple sets of valve plate mechanisms that can be opened and closed at its bottom. When the rotating arm rotates forward, the valve plate mechanism is opened by the resistance of the grain. When the rotating arm rotates in reverse, the valve plate mechanism is closed by the resistance of the grain.

[0006] The bottom of each of the rotating arms is also provided with an opening limiting component for limiting the opening of the valve plate mechanism. The opening limiting component includes two side opening limiting posts and multiple center opening limiting posts. The bottom of the rotating arm is also provided with multiple closing limiting edges for limiting the closing of the valve plate mechanism.

[0007] The valve plate mechanism includes a first valve plate and a second valve plate arranged symmetrically. The first valve plate and the second valve plate are rotatably mounted on the bottom of the rotating arm. The bottoms of the first valve plate, the second valve plate and the opening limiting component are all arranged in contact with the grain-carrying surface of the drying tray. The tops of the first valve plate, the second valve plate and the opening limiting component are all arranged higher than the top of the drying tray.

[0008] The above-mentioned rake-type anti-piling grain turning device is characterized in that: the center of the drying tray has an upward-protruding circular boss, and the circular boss is coaxially arranged with the drying tray.

[0009] The above-mentioned rake-type anti-stacking grain turning device is characterized in that: the bottom of the circular boss has a motor mounting groove for embedding a motor, the motor is installed in the motor mounting groove, and the motor mounting groove extends through the bottom of the drying tray.

[0010] The above-mentioned rake-type anti-stacking grain turning device is characterized in that: the rotating sleeve is rotatably mounted on the circular boss, the output shaft of the motor extends upward to the top of the circular boss and is fixedly connected to the rotating sleeve, and the output shaft of the motor is rotatably connected to the circular boss and the two are coaxially arranged.

[0011] The above-mentioned rake-type anti-stacking grain turning device is characterized in that: a valve plate mechanism is provided between the side opening limiting post and the adjacent middle opening limiting post, as well as between two adjacent middle opening limiting posts.

[0012] The above-mentioned rake-type anti-stacking grain turning device is characterized in that: the side of the first valve plate and the second valve plate that are far apart are both the first valve plate plane, the other side of the first valve plate and the second valve plate that are close together are formed by the valve plate arc surface and the second valve plate plane, one side of the first valve plate plane intersects with one side of the valve plate arc surface, and the other side of the first valve plate plane is connected to the second valve plate plane by a circular arc transition.

[0013] The above-mentioned rake-type anti-stacking grain turning device is characterized in that: the number of the closed limiting edges is equal to the number of the valve plate mechanism and they correspond one-to-one; the closed limiting edges include a first limiting edge that limits the valve plate arc surface of the first valve plate and a second limiting edge that limits the valve plate arc surface of the second valve plate; the first limiting edge and the second limiting edge are arranged in an angular shape.

[0014] The above-mentioned rake-type anti-stacking grain turning device is characterized in that: the side opening limiting post is provided with a side limiting slope for limiting the plane of the first valve plate, and the two sides of the middle opening limiting post are symmetrically provided with a middle limiting slope for limiting the two adjacent planes of the second valve plate.

[0015] The above-mentioned rake-type anti-stacking grain turning device is characterized in that: the first valve plate and the second valve plate are both hinged to the bottom of the rotating arm by a hinge shaft, the first valve plate and the second valve plate are both provided with hinge shaft through holes along their height direction for the hinge shaft to pass through, and the bottom of the first valve plate and the second valve plate are both provided with countersunk holes corresponding to the hinge shaft through holes.

[0016] The above-mentioned rake-type anti-stacking grain turning device is characterized in that: a grain outlet is provided on the drying tray near the edge.

[0017] This utility model has the following advantages compared with the prior art:

[0018] 1. This utility model has multiple sets of openable and closable valve plate mechanisms at the bottom of each rotating arm. When the motor drives the rotating arm to rotate forward, the first valve plate and the second valve plate unfold due to the resistance of the grain to form a 40° guide gap, simulating the loosening and turning effect of manual grain rake. This can effectively solve the problems of poor air permeability and uneven moisture content in the drying of grain in high humidity in existing drying equipment. When the motor drives the rotating arm to rotate in reverse, the first valve plate and the second valve plate close to the closed limit position along the constraint position, forming a continuous centrifugal guide surface, driving the grain to gather radially to the edge of the drying tray, which can effectively improve the efficiency of grain being fed into the grain outlet.

[0019] 2. This utility model arranges the tops of the first valve plate, the second valve plate, and the opening limiting component to be higher than the top of the drying tray. When drying grain, the grain-dispensing arm rotates clockwise, and the grain within the entire height range of the drying tray can be turned over through the first valve plate, the second valve plate, and the opening limiting component. After the grain is dried, when collecting the grain, the grain-dispensing arm rotates, and the grain in the drying tray can be moved to the grain outlet through the first valve plate, the second valve plate, and the opening limiting component, which can effectively improve the grain collection efficiency.

[0020] In summary, this utility model has a reasonable structural design. By driving the grain-dispensing arm to rotate forward and backward by a motor, the valve plate mechanism can be opened and closed. This can effectively solve the problems of poor air permeability and uneven moisture content in existing grain drying equipment during high humidity drying, and can also improve grain collection efficiency.

[0021] The technical solution of this utility model will be further described in detail below with reference to the accompanying drawings and embodiments. Attached Figure Description

[0022] Figure 1 This is a perspective view of the present invention.

[0023] Figure 2 This is a schematic diagram of the structure of this utility model after removing the grain-dispensing arm.

[0024] Figure 3 This is a schematic diagram showing the positional relationship between the motor and the drying tray of this utility model.

[0025] Figure 4 This is a top view of the grain-dispensing arm when the valve plate mechanism of this utility model is closed.

[0026] Figure 5 This is a bottom view of the grain-dispensing arm when the valve plate mechanism of this utility model is closed.

[0027] Figure 6 This is a perspective view of the grain-dispensing arm when the valve plate mechanism of this utility model is opened.

[0028] Figure 7 This is a top view of the grain-dispensing arm when the valve plate mechanism of this utility model is opened.

[0029] Explanation of reference numerals in the attached figures:

[0030] 1—Drying tray; 2—Circular boss; 3—Motor mounting slot;

[0031] 41—Rotating sleeve; 42—Rotating arm; 51—First valve plate;

[0032] 52—Second valve plate; 6—Motor; 7—Side opening limiting post;

[0033] 71—Side limiting ramp; 8—Central opening limiting post; 81—Central limiting ramp;

[0034] 9—Closed limit edge; 10—Counterhole; 11—Grain outlet. Detailed Implementation

[0035] like Figures 1 to 7 As shown, this utility model includes a drying tray 1, a grain-dispensing arm rotatably installed in the drying tray 1, and a motor 6 for driving the grain-dispensing arm to rotate. The motor 6 is embedded in the bottom of the drying tray 1.

[0036] The grain-dispensing arm includes a rotating sleeve 41 rotatably mounted on a drying tray 1 and two rotating arms 42 respectively disposed on both sides of the rotating sleeve 41. Each rotating arm 42 has multiple sets of valve plate mechanisms that can be opened and closed at its bottom. When the rotating arm 42 rotates forward, the valve plate mechanism is opened by the resistance of the grain. When the rotating arm 42 rotates in reverse, the valve plate mechanism is closed by the resistance of the grain.

[0037] The bottom of each of the rotating arms 42 is also provided with an opening limiting component for limiting the opening of the valve plate mechanism. The opening limiting component includes two side opening limiting posts 7 and multiple center opening limiting posts 8. The bottom of the rotating arm 42 is also provided with multiple closing limiting edges 9 for limiting the closing of the valve plate mechanism.

[0038] The valve plate mechanism includes a first valve plate 51 and a second valve plate 52 symmetrically arranged. The first valve plate 51 and the second valve plate 52 are rotatably mounted on the bottom of the rotating arm 42. The bottoms of the first valve plate 51, the second valve plate 52 and the opening limiting component are all arranged in close contact with the grain-carrying surface of the drying tray 1. The tops of the first valve plate 51, the second valve plate 52 and the opening limiting component are all arranged higher than the top of the drying tray 1.

[0039] In actual use, multiple sets of openable and closable valve plate mechanisms are provided at the bottom of each rotating arm 42. When the motor 6 drives the rotating arm 42 to rotate forward, the first valve plate 51 and the second valve plate 52 unfold due to the resistance of the grain to form a 40° guide gap, simulating the loosening and turning effect of manual grain rake. This can effectively solve the problems of poor air permeability and uneven moisture content in the drying of grain in high humidity in existing turning and drying equipment. When the motor 6 drives the rotating arm 42 to rotate in reverse, the first valve plate 51 and the second valve plate 52 close to the closed limit position along the constraint 9, forming a continuous centrifugal guide surface, driving the grain to gather radially to the edge of the drying tray, which can effectively improve the efficiency of grain being fed into the grain outlet.

[0040] It should be noted that by arranging the tops of the first valve plate 51, the second valve plate 52, and the opening limiting component all above the top of the drying tray 1, when the grain is drying, the grain-dispensing arm rotates clockwise, and the grain within the entire height range of the drying tray 1 can be turned over through the first valve plate 51, the second valve plate 52, and the opening limiting component; after the grain is dried, when collecting the grain, the grain-dispensing arm flips over, and the grain in the drying tray 1 can be moved to the grain outlet through the first valve plate 51, the second valve plate 52, and the opening limiting component, which can effectively improve the grain collection efficiency.

[0041] In practice, by setting an opening limiting component and a closing limiting edge 9, the opening and closing positions of the first valve plate 51 and the second valve plate 52 can be effectively constrained, thereby preventing the first valve plate 51 and the second valve plate 52 from being misaligned, which would affect the drying effect of the grain.

[0042] like Figure 2 As shown in this embodiment, the center of the drying tray 1 has an upwardly protruding circular boss 2, and the circular boss 2 is coaxially arranged with the drying tray 1.

[0043] In practice, the drying tray 1 has a circular grain-carrying tray at the bottom and an annular enclosure on the side.

[0044] like Figure 3 As shown in this embodiment, the bottom of the circular boss 2 has a motor mounting groove 3 for mounting a motor 6. The motor 6 is installed in the motor mounting groove 3, and the motor mounting groove 3 extends through the bottom of the drying tray 1.

[0045] In this embodiment, the rotating sleeve 41 is rotatably mounted on the circular boss 2, and the output shaft of the motor 6 extends upward to the top of the circular boss 2 and is fixedly connected to the rotating sleeve 41. The output shaft of the motor 6 is rotatably connected to the circular boss 2 and the two are coaxially arranged.

[0046] In actual use, the rotating sleeve 41, rotating arm 42, side opening limiting post 7 and central opening limiting post 8 are integrally formed, and the rotating sleeve 41 is coaxially arranged with the circular boss 2.

[0047] like Figure 1 , Figure 5 and Figure 6 As shown, in this embodiment, a valve plate mechanism is provided between the side opening limiting post 7 and the adjacent middle opening limiting post 8, as well as between two adjacent middle opening limiting posts 8.

[0048] In this embodiment, the side of the first valve plate 51 and the second valve plate 52 that are far apart are both the first valve plate plane, and the other side of the first valve plate 51 and the second valve plate 52 that are close together are formed by the valve plate arc surface and the second valve plate plane. One side of the first valve plate plane intersects with one side of the valve plate arc surface, and the other side of the first valve plate plane is connected to the second valve plate plane by a circular arc transition.

[0049] In this embodiment, the number of the closed limiting edges 9 is equal to the number of the valve plate mechanisms and they correspond one-to-one. The closed limiting edges 9 include a first limiting edge that limits the valve plate arc surface of the first valve plate 51 and a second limiting edge that limits the valve plate arc surface of the second valve plate 52. The first limiting edge and the second limiting edge are arranged in an angular shape.

[0050] In this embodiment, the side opening limiting post 7 is provided with a side limiting slope 71 for limiting the first valve plate plane, and the two sides of the middle opening limiting post 8 are symmetrically provided with a middle limiting slope 81 for limiting two adjacent second valve plate planes.

[0051] In this embodiment, the first valve plate 51 and the second valve plate 52 are both hinged to the bottom of the rotating arm 42 by hinge shafts. The first valve plate 51 and the second valve plate 52 are provided with hinge shaft through holes along their height direction for the hinge shaft to pass through. The bottom of the first valve plate 51 and the second valve plate 52 are provided with countersunk holes 10 corresponding to the hinge shaft through holes.

[0052] In this embodiment, a grain outlet 11 is provided on the drying tray 1 near the edge.

[0053] In actual use, the hinge shaft through hole is located on the side where the first valve plate plane and the second valve plate plane are connected by an arc transition. When the valve plate mechanism is closed, the end of the valve plate arc surface of the first valve plate 51 away from the second valve plate plane and the end of the valve plate arc surface of the second valve plate 52 away from the second valve plate plane abut against each other. The top of the second valve plate plane of the first valve plate 51 and the top of the second valve plate plane of the second valve plate 52 are both in close contact with the closing limit edge 9. When the valve plate mechanism is closed, the included angle between the first valve plate plane of the first valve plate 51 and the first valve plate plane of the second valve plate 52 is 140°.

[0054] In specific implementation, the first valve plate plane on the first valve plate 51 is parallel to the second valve plate plane, and the included angle between the first limiting edge and the second limiting edge is 140°.

[0055] In actual use, when the grain is being dried, the grain outlet 11 is closed, and the grain-dispensing arm is driven to rotate forward by the motor 6. The arc surfaces of the first valve plate 51 and the second valve plate 52 receive resistance from the grain, causing the valve plate mechanism to open. A 40° guide gap is formed between the first valve plate 51 and the second valve plate 52. Figure 6 and Figure 7 As shown, the grain drying tray 1 is turned over to simulate the loosening and turning effect of manual raking, thereby improving the drying effect. After the grain is dried, the grain outlet 11 opens, and the grain-dispensing arm is reversed by the motor 6. The first valve plate plane of the first valve plate 51 and the second valve plate 52 is subjected to the resistance of the grain, causing the valve plate mechanism to close. Figure 4 and Figure 5 As shown, the closed valve plate mechanism forms a continuous centrifugal guide surface, which moves the grain toward the grain outlet 11, effectively improving the grain collection efficiency.

[0056] The above description is merely a preferred embodiment of the present utility model and does not constitute any limitation on the present utility model. Any simple modifications, alterations, or equivalent structural changes made to the above embodiments based on the technical essence of the present utility model shall still fall within the protection scope of the present utility model.

Claims

1. A rake type anti-piling grain agitating device, characterized by: The utility model provides a kind of drying tray, including drying tray (1), rotatingly installed in drying tray (1) and be used for driving grain poking arm rotation motor (6) of grain poking arm, the motor (6) is embedded in the bottom of drying tray (1); The grain poking arm includes a rotating sleeve (41) rotatingly installed on the drying tray (1) and two rotating arms (42) respectively arranged on both sides of the rotating sleeve (41), and the bottom of each rotating arm (42) is provided with a plurality of valve plate mechanisms capable of opening and closing. The bottom of each rotating arm (42) is further provided with an opening limiting assembly for limiting the opening of the valve plate mechanism, and the opening limiting assembly includes two side opening limiting columns (7) and a plurality of middle opening limiting columns (8). The bottom of the rotating arm (42) is further provided with a plurality of closing limiting edges (9) for limiting the closing of the valve plate mechanism.

2. A rake-type anti-piling grain agitating device according to claim 1, characterized in that: The valve plate mechanism includes symmetrically arranged first valve plate (51) and second valve plate (52), and the first valve plate (51) and the second valve plate (52) are both rotatingly installed on the bottom of the rotating arm (42).

3. A rake-type anti-piling grain agitating device according to claim 2, wherein: The bottom of the first valve plate (51), the second valve plate (52) and the opening limiting assembly is arranged in contact with the grain-carrying surface of the drying tray (1), and the top of the first valve plate (51), the second valve plate (52) and the opening limiting assembly is arranged higher than the top of the drying tray (1).

4. A rake-type anti-piling beater according to claim 3, wherein: The center of the drying tray (1) has an upwardly protruding circular boss (2) coaxially arranged with the drying tray (1).

5. A rake-type anti-piling grain agitating device according to claim 1, characterized in that: The bottom of the circular boss (2) has a motor mounting groove (3) for embedding the motor (6), and the motor (6) is mounted in the motor mounting groove (3).

6. A rake-type anti-piling beater assembly according to claim 1 wherein: The rotating sleeve (41) is rotatably sleeved on the circular boss (2), the output shaft of the motor (6) extends upwardly to the top of the circular boss (2) and is fixedly connected with the rotating sleeve (41), the output shaft of the motor (6) is rotatably connected with the circular boss (2) and coaxially arranged.

7. A rake-type anti-piling beater assembly according to claim 6, wherein: The side opening limiting column (7) and the middle opening limiting column (8) adjacent thereto, and the adjacent two middle opening limiting columns (8) are all provided with the valve plate mechanism. The side of the first valve plate (51) and the second valve plate (52) away from each other is a first valve plate plane, the other side of the first valve plate (51) and the second valve plate (52) close to each other is composed of a valve plate arc surface and a second valve plate plane, one side of the first valve plate plane intersects with one side of the valve plate arc surface, and the other side of the first valve plate plane is connected with the second valve plate plane through a circular arc. The number of the closing limiting edges (9) is equal to the number of the valve plate mechanisms and corresponds one by one, and the closing limiting edges (9) include a first limiting edge limiting the valve plate arc surface of the first valve plate (51) and a second limiting edge limiting the valve plate arc surface of the second valve plate (52), and the first limiting edge and the second limiting edge are angularly arranged.

8. A rake-type anti-piling beater assembly according to claim 6, wherein: The side opening limiting column (7) is provided with a side limiting inclined surface (71) for limiting the first valve plate plane, and the middle opening limiting column (8) is symmetrically provided with a middle limiting inclined surface (81) for limiting two adjacent second valve plate planes.

9. A rake-type anti-piling beater assembly according to claim 1 wherein: The first valve plate (51) and the second valve plate (52) are hingedly connected to the bottom of the rotating arm (42) through a hinge shaft, and the first valve plate (51) and the second valve plate (52) are provided with a hinge shaft through hole along the height direction thereof for the hinge shaft to pass through, and the bottom of the first valve plate (51) and the second valve plate (52) is provided with a counterbore (10) corresponding to the hinge shaft through hole.

10. A rake-type anti-piling grain agitating device according to claim 1, characterized in that: The drying tray (1) is provided with a grain outlet (11) near the edge.

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