Grain airing tray with self-adaptive load adjustment function

Abstract

The utility model discloses a grain airing tray with self-adaptive load adjustment, which comprises an airing tray base plate and a grain carrying tray slidably mounted on the airing tray base plate, a grain baffle is arranged at the bottom of the grain carrying tray, and a grain baffle reset mechanism is arranged between the grain carrying tray and the airing tray base plate. The grain baffle reset mechanism comprises a first crank supporting assembly, a second crank supporting assembly and a reset spring module, the upper end of the first crank supporting assembly is supported at the bottom of the grain baffle in a rolling mode, and the upper end of the second crank supporting assembly is supported at the bottom of the grain carrying disc in a rolling mode. The lower ends of the first crank supporting assembly and the second crank supporting assembly are hinged to the airing plate base plate. The grain airing tray is reasonable in structural design, the grain carrying tray is installed on the airing tray base plate in a sliding mode, and the grain baffle reset mechanism is arranged between the grain carrying tray and the airing tray base plate, so that load self-adaptive grain accurate flow control in the grain carrying tray is achieved under the condition that no external energy is input, and the grain airing tray is high in practicability. And the mildew phenomenon of high-humidity grains during airing can be effectively avoided.

Description

Technical Field

[0001] This utility model belongs to the field of automated grain drying technology, specifically relating to a grain drying tray with adaptive load adjustment. Background Technology

[0002] Currently, most agricultural products require drying 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. Therefore, it is crucial to strictly control the amount of grain piled up during grain drying. Existing agricultural product drying devices cannot precisely control the amount of grain piled up in the drying trays, as illustrated by Chinese Patent No. CN 222279089 U, which discloses an automatic spreading and recycling space-rotating agricultural product drying device. When there is too little grain in the drying tray, drying must be done multiple times across multiple trays, resulting in low efficiency. Conversely, when there is too much grain in the drying tray, the grain may not be thoroughly dried and is prone to mold. Therefore, a grain drying tray with adaptive load adjustment is needed to solve these problems. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a grain drying tray with adaptive load adjustment, which addresses the shortcomings of the prior art. The tray has a reasonable structural design. The grain tray is slidably installed on the drying tray base, and a grain baffle reset mechanism is set between the grain tray and the drying tray base for resetting the grain baffle. The grain baffle reset mechanism has a purely mechanical coupling design of "geometric concentric triggering-elastic reset control", which realizes precise control of grain flow with adaptive load in the grain tray without external energy input. It is particularly suitable for high humidity grain drying scenarios and can effectively prevent mold growth of high humidity grain during drying.

[0004] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is: a grain drying tray with adaptive load adjustment, characterized in that: it includes a drying tray base and a grain-carrying tray vertically slidably mounted on the drying tray base. A grain outlet is provided at the bottom of one side of the grain-carrying tray. A grain-blocking plate is hinged to the bottom of the grain-carrying tray to cover the grain outlet. A grain-blocking plate reset mechanism is provided between the grain-carrying tray and the drying tray base for resetting the grain-blocking plate. The grain-blocking plate reset mechanism includes a first crank support assembly, a second crank support assembly, and a reset spring module connected between the first crank support assembly and the second crank support assembly. The upper end of the first crank support assembly is rolledly supported on the bottom of the grain-blocking plate, and the upper end of the second crank support assembly is rolledly supported on the bottom side of the grain-carrying tray away from the grain outlet. The lower ends of both the first crank support assembly and the second crank support assembly are hinged to the drying tray base.

[0005] The above-mentioned grain drying tray with adaptive load adjustment is characterized in that: vertical slide rails are symmetrically arranged on both sides of the drying tray base, and sliders that slide in cooperation with the vertical slide rails are symmetrically arranged on both sides of the grain tray.

[0006] The above-mentioned grain drying tray with adaptive load adjustment is characterized in that: the first crank support assembly includes two first support cranks arranged side by side, the second crank support assembly includes two second support cranks corresponding to the first support cranks, the upper ends of the two first support cranks are rolled and supported on the bottom of the grain baffle, and the upper ends of the two second support cranks are rolled and supported on the bottom of the grain tray.

[0007] The above-mentioned grain drying tray with adaptive load adjustment is characterized in that: the reset spring module includes two reset tension springs, which are respectively connected between the upper ends of two first support cranks and their corresponding second support cranks.

[0008] The above-mentioned grain drying tray with adaptive load adjustment is characterized in that: the base of the drying tray is provided with a plurality of crank hinge seats for hinged connection of the first support crank and the second support crank, and the lower ends of the first support crank and the second support crank are hinged to the corresponding crank hinge seats.

[0009] The above-mentioned grain drying tray with adaptive load adjustment is characterized in that: the upper end of the first support crank is provided with a first rolling element for rolling support at the bottom of the grain baffle, and the upper end of the second support crank is provided with a second rolling element for rolling support at the bottom of the grain tray.

[0010] The above-mentioned grain drying tray with adaptive load adjustment is characterized in that: the grain retaining plate includes a flat plate segment and two arc-shaped plate segments disposed on one side of the flat plate segment, the flat plate segment and the arc-shaped plate segments are integrally formed, and the inner arc surface of the arc-shaped plate segments matches the outer arc surface of the first rolling element.

[0011] The above-mentioned grain drying tray with adaptive load adjustment is characterized in that: a hinge lug for hinged installation of a grain baffle is provided at the bottom of the grain tray, and a grain baffle hinge seat matching the hinge lug is provided between the two arc-shaped plate segments.

[0012] This utility model has the following advantages compared with the prior art:

[0013] This utility model features a reasonable structural design. The grain-carrying tray is slidably mounted on the base of the drying tray, and a grain-resetting mechanism is installed between the tray and the base to reset the grain-blocking plate. When the grain accumulation on the tray reaches a set threshold, the tray is pressed down, driving the grain-blocking plate reset mechanism to move, releasing the locked state of the grain-blocking plate. The plate then opens under the weight of the grain, allowing the grain to drain from the tray. When the grain accumulation is below the set threshold, a reset spring module drives the grain-blocking plate reset mechanism to move, causing the tray to rise and the plate to close, sealing the grain outlet. The purely mechanical coupling design of the grain-blocking plate reset mechanism enables precise grain flow control with adaptive load within the tray without external energy input. This is particularly suitable for high-humidity grain drying scenarios, effectively preventing mold growth during drying.

[0014] 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

[0015] Figure 1 This is a perspective view of the present invention.

[0016] Figure 2 This is a side view of the present invention.

[0017] Figure 3 This is a schematic diagram of the structure of the grain retaining plate of this utility model.

[0018] Explanation of reference numerals in the attached figures:

[0019] 1—Drying tray base; 2—Grain holding tray; 3—L-shaped slide rail bracket;

[0020] 4—Vertical slide rail; 5—Slider; 6—First support crank;

[0021] 7—First rolling element; 8—Second support crank; 9—Second rolling element;

[0022] 10—Crank hinge seat; 11—Reset spring; 12—Grain outlet;

[0023] 13—Grain retaining plate; 131—Flat plate section; 132—Arc-shaped plate section;

[0024] 14—Hinged lug; 15—Grain retainer hinge seat. Detailed Implementation

[0025] like Figures 1 to 3As shown, this utility model includes a drying tray base 1 and a grain-carrying tray 2 vertically slidably mounted on the drying tray base 1. A grain outlet 12 is provided on one side of the bottom of the grain-carrying tray 2. A grain-blocking plate 13 is hinged to the bottom of the grain-carrying tray 2 to cover the grain outlet 12. A grain-blocking plate reset mechanism is provided between the grain-carrying tray 2 and the drying tray base 1 to reset the grain-blocking plate 13. The grain-blocking plate reset mechanism includes a first crank support assembly, a second crank support assembly, and a reset spring module connected between the first crank support assembly and the second crank support assembly. The upper end of the first crank support assembly is rolledly supported on the bottom of the grain-blocking plate 13, and the upper end of the second crank support assembly is rolledly supported on the bottom of the grain-carrying tray 2 on the side away from the grain outlet 12. The lower ends of both the first and second crank support assemblies are hinged to the drying tray base 1.

[0026] In actual use, the grain-carrying tray 2 is slidably mounted on the drying tray base 1. A grain-blocking plate 13 is hinged at the grain outlet 12 of the grain-carrying tray 2. A grain-blocking plate reset mechanism is set between the grain-carrying tray 2 and the drying tray base 1. When the amount of grain accumulated on the grain-carrying tray 2 reaches a set threshold, the grain-carrying tray 2 is pressed down, driving the grain-blocking plate reset mechanism to move (the reset spring module is stretched). This causes the upper end of the second crank support assembly of the grain-blocking plate reset mechanism to roll along the bottom of the grain-carrying tray 2, while the upper end of the first crank support assembly rolls along the lower surface of the grain-blocking plate 13 until it forms a dynamic concentric structure with the hinge axis of the grain-blocking plate 13. After the grain baffle 13 is released from its locked state, it opens under the gravity of the grain, allowing the grain in the grain tray 2 to drain. When the amount of grain accumulated in the grain tray 2 is lower than the set threshold, the second crank support assembly and the first crank support assembly reset under the action of the reset spring module, and the grain baffle 13 closes to seal the grain outlet 12. The pure mechanical coupling design of the grain baffle reset mechanism enables precise control of grain flow in the grain tray 2 with adaptive load without external energy input. It is particularly suitable for high humidity grain drying scenarios and is also suitable for hilly areas with weak power infrastructure.

[0027] In this embodiment, vertical slide rails 4 are symmetrically arranged on both sides of the drying tray base 1, and sliders 5 that slide in cooperation with the vertical slide rails 4 are symmetrically arranged on both sides of the grain carrying tray 2.

[0028] In actual use, two L-shaped slide rail brackets 3 are fixed on the base plate 1 of the drying tray. The two L-shaped slide rail brackets 3 are symmetrically arranged on the base plate 1 of the drying tray. The horizontal part of the L-shaped slide rail bracket 3 is closely attached to the base plate 1 of the drying tray. The two vertical slide rails 4 are respectively fixed on the vertical part of the two L-shaped slide rail brackets 3.

[0029] In practice, the vertical slide rail 4 and the slider 5 can guide the grain tray 2, making it easier for the grain tray 2 to be raised and lowered vertically relative to the drying tray base 1.

[0030] In practice, the drying tray base 1 is a round plate, and the grain carrying tray 2 is round. The drying tray base 1 and the grain carrying tray 2 are arranged coaxially.

[0031] In this embodiment, the first crank support assembly includes two first support cranks 6 arranged side by side, and the second crank support assembly includes two second support cranks 8 corresponding to the first support cranks 6. The upper ends of the two first support cranks 6 are rolled and supported on the bottom of the grain baffle 13, and the upper ends of the two second support cranks 8 are rolled and supported on the bottom of the grain loading plate 2.

[0032] In this embodiment, the reset spring module includes two reset tension springs 11, which are respectively connected between the upper ends of the two first support cranks 6 and the corresponding second support cranks 8.

[0033] In actual use, when the first support crank 6 and the second support crank 8 swing, the end of the return spring 11 is hinged to both the first support crank 6 and the second support crank 8.

[0034] In this embodiment, the drying tray base 1 is provided with a plurality of crank hinge seats 10 for hinged connection of the first support crank 6 and the second support crank 8. The lower ends of the first support crank 6 and the second support crank 8 are hinged to the corresponding crank hinge seats 10.

[0035] In actual use, the base 1 of the drying tray is equipped with four crank hinge seats 10.

[0036] In this embodiment, the upper end of the first support crank 6 is provided with a first rolling element 7 for rolling support on the bottom of the grain baffle 13, and the upper end of the second support crank 8 is provided with a second rolling element 9 for rolling support on the bottom of the grain loading plate 2.

[0037] In actual use, the axes of the first rolling element 7 and the second rolling element 9 are parallel, and the axes of the first rolling element 7 and the second rolling element 9 are both parallel to the hinge axis of the grain retaining plate 13.

[0038] like Figure 3 As shown, in this embodiment, the grain retaining plate 13 includes a flat plate segment 131 and two arc-shaped plate segments 132 disposed on one side of the flat plate segment 131. The flat plate segment 131 and the arc-shaped plate segments 132 are integrally formed, and the inner arc surface of the arc-shaped plate segments 132 matches the outer arc surface of the first rolling element 7.

[0039] In actual use, when the upper end of the first crank support assembly is along the arc-shaped plate segment 132 of the grain retaining plate 13, that is, when both first rolling elements 7 are coaxially arranged with the hinge axis of the grain retaining plate 13, the two first rolling elements 7 are respectively in close contact with the inner arc surface of the two arc-shaped plate segments 132, thereby making the axis of the two first rolling elements 7 collinear with the axis of the hinge axis of the grain retaining plate 13.

[0040] In practice, the bottom of the flat plate segment 131 is smoothly connected to the inner arc surface of the curved plate segment 132.

[0041] In this embodiment, the bottom of the grain tray 2 is provided with a hinge ear 14 for hinged installation of the grain baffle 13, and a grain baffle hinge seat 15 matching the hinge ear 14 is provided between the two arc-shaped plate segments 132.

[0042] In actual use, the two first rolling elements 7 are respectively arranged on both sides of the grain-blocking plate hinge seat 15, so that the grain-blocking plate hinge seat 15 will not interfere with the rolling of the first rolling elements 7.

[0043] 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 load self-adjusting grain drying tray characterized in that: The utility model provides a kind of drying tray bottom dish (1) and vertical sliding installation grain carrying tray (2) on drying tray bottom dish (1), the bottom of the grain carrying tray (2) is provided with a grain outlet (12) on one side, the bottom of the grain carrying tray (2) is hinged with a grain blocking plate (13), the grain blocking plate (13) is used to cover grain outlet (12), grain blocking plate reset mechanism for resetting grain blocking plate (13) is arranged between the grain carrying tray (2) and drying tray bottom dish (1), the grain blocking plate reset mechanism includes first crank support assembly, second crank support assembly and reset spring module connected between first crank support assembly and second crank support assembly, the upper end of first crank support assembly is supported on the bottom of grain blocking plate (13) and rolls, the upper end of second crank support assembly is supported on the bottom of grain carrying tray (2) and rolls on one side away from grain outlet (12), the lower end of first crank support assembly and second crank support assembly is hinged on drying tray bottom dish (1).

2. A load self-adjusting grain drying tray as claimed in claim 1, wherein: The two sides of the drying tray bottom dish (1) are symmetrically provided with vertical sliding rails (4), and the two sides of the grain carrying tray (2) are symmetrically provided with sliding blocks (5) that slide with the vertical sliding rails (4).

3. A load self-adjusting grain drying tray as claimed in claim 1, wherein: The first crank support assembly includes two first support cranks (6) arranged side by side, and the second crank support assembly includes two second support cranks (8) corresponding to the first support cranks (6). The upper ends of the two first support cranks (6) are each supported on the bottom of the grain blocking plate (13) and rolls, and the upper ends of the two second support cranks (8) are each supported on the bottom of the grain carrying tray (2) and rolls.

4. A load self-adjusting grain drying tray as claimed in claim 3, wherein: The reset spring module includes two reset tension springs (11), and the two reset tension springs (11) are respectively connected between the upper ends of the two first support cranks (6) and the corresponding second support cranks (8).

5. A load self-adjusting grain drying tray as claimed in claim 3, wherein: The drying tray bottom dish (1) is provided with a plurality of crank hinge seats (10) for hinging the first support cranks (6) and the second support cranks (8), and the lower ends of the first support cranks (6) and the second support cranks (8) are hinged to the corresponding crank hinge seats (10).

6. A load self-adjusting grain drying tray as claimed in claim 3, wherein: The upper end of the first support crank (6) is provided with a first rolling member (7) for rolling support on the bottom of the grain blocking plate (13), and the upper end of the second support crank (8) is provided with a second rolling member (9) for rolling support on the bottom of the grain carrying tray (2).

7. A load self-adjusting grain drying tray as claimed in claim 6, wherein: The grain blocking plate (13) includes a flat plate segment (131) and two arc-shaped plate segments (132) provided on one side of the flat plate segment (131). The flat plate segment (131) is integrally formed with the arc-shaped plate segments (132), and the inner arc surface of the arc-shaped plate segments (132) matches the outer arc surface of the first rolling member (7).

8. A load self-adjusting grain drying tray as claimed in claim 7, wherein: The bottom of the grain carrying tray (2) is provided with a hinge lug (14) for hinging the grain blocking plate (13), and the grain blocking plate hinge seat (15) matching the hinge lug (14) is arranged between the two arc-shaped plate segments (132).

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