Grain discharging mechanism for grain drying machine and grain drying machine

Abstract

The utility model discloses a grain discharging mechanism for a grain drying machine and the grain drying machine, the grain discharging mechanism comprises a fixing plate and a transmission blanking belt, and the fixing plate is arranged above the transmission blanking belt; the fixing plate comprises a plurality of limiting plates, the fixing plate forms a grid plate structure based on the limiting plates, and a discharging open groove is formed between any two adjacent limiting plates. The transmission discharging belt comprises a transmission chain and a plurality of baffles arranged on the transmission chain, and preset intervals are formed between the baffles. The multiple baffles are arranged below the limiting plates in a one-to-one correspondence mode, or the multiple baffles are located below the multiple discharging open grooves in a one-to-one correspondence mode. The grain discharging mechanism is arranged at the lower end of the granary, the fixing plate based on the grid structure is matched with the discharging transmission belt with the preset interval, the grain discharging speed of the lower end of the granary can be controlled, and the grain discharging reliability after grain drying is improved.

Description

Technical Field

[0001] The utility model mainly relates to the technical field of grain drying, and in particular to a grain discharge mechanism for a grain dryer and the grain dryer. Background Art

[0002] Grain dryer refers to a hot air drying box that uses a rotary heating device and can generate a large amount of hot air in a short time. It can kill insect eggs through high temperature treatment and completely solve the problem of grain drying.

[0003] With the improvement of grain varieties, the increase of yield and the increase of national investment in grain drying equipment, more and more large, medium and small grain drying facilities are being built. It is very important to select a dryer with high quality, long service life, economical and practical, good reliability and high degree of automation.

[0004] The existing dryer discharges grain by setting a funnel-shaped structure at the bottom of the grain bin. Since the discharge port of the current dryer is generally of fixed size, the discharge rate cannot be adjusted according to the actual discharge demand, which affects the reliability of grain discharge. Utility Model Content

[0005] The purpose of the utility model is to overcome the shortcomings of the prior art. The utility model provides a grain discharge mechanism for a grain dryer and a grain dryer. By arranging a grain discharge mechanism at the lower end of a grain bin, a fixed plate based on a grid structure cooperates with a feeding transmission belt with a preset spacing, so as to control the grain discharge rate at the lower end of the grain bin and improve the reliability of grain discharge after the grain is dried.

[0006] The utility model provides a grain discharge mechanism for a grain dryer, the grain discharge mechanism comprising a fixed plate and a transmission material discharge belt, the fixed plate is arranged above the transmission material discharge belt;

[0007] The fixed plate includes a plurality of limit plates, the fixed plate forms a grid plate structure based on the plurality of limit plates, and a blanking slot is formed between any two adjacent limit plates;

[0008] The transmission unloading belt includes a transmission chain and a plurality of baffles arranged on the transmission chain, and a preset distance is formed between the plurality of baffles;

[0009] The plurality of baffles are arranged one-to-one under the limiting plate, or the plurality of baffles are located one-to-one under the plurality of material cutting slots.

[0010] Furthermore, the preset spacing length is greater than the slot width of the blanking slot.

[0011] Furthermore, a guide rail is provided on the surface of the transmission unloading belt, and a guide pulley is provided at the bottom of the fixed plate;

[0012] The fixing plate is slidably fitted on the guide rail based on the guide pulley.

[0013] Furthermore, the transmission unloading belt also includes a driving motor, and the driving motor is drivingly connected to the transmission chain.

[0014] The utility model also provides a grain dryer, which comprises: a grain bin, a hoist, a mounting frame and a grain discharge mechanism arranged at the bottom of the grain bin;

[0015] The granary is arranged on the mounting frame, the elevator is arranged outside the granary, the feeding end of the elevator is arranged at the bottom, and the discharging end of the elevator is communicated with the top of the granary.

[0016] Furthermore, the grain dryer further comprises a heat pump, a fan, an upper air duct and a lower air duct, wherein the fan is arranged outside the grain bin, the upper air duct and the lower air duct are arranged inside the grain bin, and the output end of the heat pump is connected to the upper air duct and the lower air duct based on the fan;

[0017] The air outlets of the upper air duct and the lower air duct face the interior of the granary.

[0018] Furthermore, a first material conveying pipe and a second material conveying pipe are symmetrically arranged on the top of the elevator;

[0019] The output pipe openings of the first material conveying pipe and the second material conveying pipe are arranged on the top of the granary.

[0020] Furthermore, a roof is arranged on the top of the granary, and one side of the roof extends outside the top of the granary to form an eaves.

[0021] Furthermore, the upper end of the hoist is fixed on the eaves.

[0022] The utility model provides a grain discharge mechanism for a grain dryer and a grain dryer. The grain discharge mechanism is arranged at the lower end of a grain bin. A fixed plate based on a grid structure cooperates with a feeding transmission belt with a preset spacing, so that the grain discharge rate at the lower end of the grain bin can be controlled, thereby improving the reliability of grain discharge after the grain is dried. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 This is a structural schematic diagram of the grain discharge mechanism in the embodiment of the utility model;

[0025] Figure 2 This is a structural sectional view of the grain discharge mechanism in the embodiment of the utility model;

[0026] Figure 3 It is attached in the embodiment of the utility model Figure 2 A magnified view of the structure at A;

[0027] Figure 4 It is a structural schematic diagram of a grain dryer in an embodiment of the utility model. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] Please refer to Figures 1 to 4 The embodiment of the utility model provides a grain discharge mechanism 2, which includes a fixed plate 21 and a transmission discharge belt 22. The fixed plate 21 is arranged above the transmission discharge belt 22. The fixed plate 21 is used to be installed under the grain bin of the grain dryer, and the fixed plate 21 can be formed as the bottom plate of the grain bin of the grain dryer.

[0030] Specifically, the fixed plate 21 includes a plurality of limit plates 211, and the fixed plate 21 forms a grid plate structure based on the plurality of limit plates 211, and a material discharge slot 212 is formed between any two adjacent limit plates 211, and the transmission material discharge belt 22 includes a transmission chain and a plurality of baffles 221 arranged on the transmission chain, and a preset spacing 222 is formed between the plurality of baffles 221, that is, the transmission material discharge belt 22 forms a grid plate structure based on the plurality of baffles 221, so that the transmission material discharge belt 22 and the fixed plate 21 can cooperate with each other to form the grain discharge mechanism 2.

[0031] Furthermore, the plurality of baffles 221 are arranged one-to-one under the limit plate 211, that is, the preset spacing 222 is arranged one-to-one with the feeding slot 212, so that the grain can pass through the feeding slot 212 and the preset spacing 222 in sequence and fall into the grain collecting device at the lower end of the granary.

[0032] Furthermore, the plurality of baffles 221 may be located one by one under the plurality of material discharge slots 212, so that the plurality of baffles 221 can block the plurality of material discharge slots 212, close the plurality of material discharge slots 212, and achieve the effect of storing grain in the granary.

[0033] Specifically, the spacing length of the preset spacing 222 is greater than the slot width of the feed slot 212, so that when the preset spacing 222 corresponds one-to-one under the plurality of feed slots 212, it can be ensured that after passing through the feed slot 212, the grain can pass through the preset spacing 222 and fall into the recovery device.

[0034] Furthermore, the size of any baffle 221 is slightly smaller than the width of the feed slot 212, so that when the baffles 221 are located below the feed slot 212, a gap can be formed between the baffles 221 and the feed slot 212, which can prevent the grain from falling and prevent the grain from being completely sealed so that the moisture in the grain can evaporate to the outside.

[0035] Specifically, a guide rail 25 is provided on the surface of the transmission unloading belt 22, and a guide pulley is provided at the bottom of the fixed plate 21. The fixed plate 21 is slidably fitted on the guide rail 25 based on the guide pulley. The fixed plate 21 is slidably fitted on the unloading transmission belt based on the guide wheel 24, so that the unloading transmission belt can be driven and rotated under the fixed plate 21.

[0036] Furthermore, based on the setting of the guide rail 25 and the guide wheel 24, the structural stability between the fixed plate 21 and the unloading transmission belt can be improved, and based on the guide rail 25 and the guide wheel 24, the fixed plate 21 and the unloading transmission belt can be positioned to ensure the accuracy of the relative position between the fixed plate 21 and the unloading transmission belt.

[0037] Specifically, the transmission unloading belt 22 also includes a driving motor 23, and the driving motor 23 is connected to the transmission chain. The driving motor 23 can be a servo motor or a stepper motor, so as to adjust the running speed of the unloading transmission belt according to the actual grain unloading requirements, thereby adjusting the unloading rate of the granary.

[0038] For details, please refer to Figure 4The embodiment of the utility model further provides a grain dryer, which includes: a mounting frame, a heat pump 17, a fan 13, a granary 11, an elevator 12, an upper air duct and a lower air duct 14, and a grain discharge mechanism 2 arranged at the bottom of the granary; the granary 11 is arranged on the mounting frame, and the mounting frame is used to support the granary 11. The elevator 12 is arranged outside the granary 11, and the feeding end of the elevator 12 is arranged at the bottom, and the discharging end of the elevator 12 is connected to the top of the granary 11. The elevator 12 can transport high-humidity grain from the bottom to the top of the granary 11, and drive the high-humidity grain from the top of the granary 11 to the inside of the granary 11.

[0039] Furthermore, a plurality of exhaust holes are provided on the side wall of the granary 11, so that the air in the granary 11 can be discharged outside the granary 11, so as to realize the circulation flow of hot air in the granary 11 and improve the effect of the hot air in the granary 11 on air-drying of high-humidity grain.

[0040] Specifically, the fan 13 is arranged outside the granary 11, the upper air duct and the lower air duct 14 are arranged inside the granary 11, and the output end of the heat pump 17 is connected to the upper air duct and the lower air duct 14 based on the fan 13, and the air outlets of the upper air duct and the lower air duct 14 face the inside of the granary 11. The fan 13 transports hot air to the inside of the granary 11 based on the upper air duct and the lower air duct 14, thereby heating and drying the grain inside the granary 11.

[0041] Furthermore, the heat pump 17 can gather air from the external environment and heat it, and the heat pump 17 transports the air to the upper air duct and the downwind air duct 14 through the fan 13, and drives the heated dry hot air to pass through the upper air duct and the downwind air duct 14 to the inside of the granary 11, thereby performing a heat drying operation on the grain inside the granary 11.

[0042] Specifically, the upper air duct and the down air duct 14 are arranged in a horizontal direction, and the upper air duct and the down air duct 14 are parallel to each other, and the upper air duct and the down air duct 14 are arranged in a horizontal direction of the granary 11, so that the upper air duct and the down air duct 14 can be in contact with most of the space of the granary 11. By arranging the upper air duct and the down air duct 14 in parallel, that is, the upper air duct and the down air duct 14 arranged in a vertical direction, the temperature difference between the upper end area and the lower end area of ​​the granary 11 is reduced, and the temperature uniformity in the granary 11 is improved, so that the grain can be evenly heated when passing through the granary 11, and the efficiency and effect of grain drying and dehydration are improved.

[0043] Furthermore, according to actual usage requirements, the upper air duct and the downwind duct 14 can be provided with a plurality of sub-air ducts arranged in parallel. Through the distribution of multiple sub-air ducts, the coverage area of ​​the upper air duct and the downwind duct 14 in the granary 11 can be expanded, so that the hot air drying quality in the granary 11 is improved, and the effect and quality of rapid drying and dehydration of high-humidity grain are improved.

[0044] Specifically, a temperature sensor is provided in the granary 11, and the temperature sensor is used to detect the temperature in the granary 11. The temperature in the granary 11 is detected in real time by the temperature sensor, so that the heat pump type high-humidity grain dryer can adjust the working temperature of the fan 13 according to the temperature in the granary 11, thereby realizing real-time control of the temperature in the granary 11, ensuring that the grain in the granary 11 can be dehydrated and dried at a suitable temperature, thereby improving the dehydration and drying efficiency and drying effect of the grain in the granary 11.

[0045] Specifically, a ceiling is provided on the top of the granary 11, and one side of the ceiling extends outside the top of the granary 11 to form an eaves. The ceiling is used to cover the top opening of the granary 11 to prevent dust and moisture from the external environment from entering the granary 11 from the top of the granary 11, so as to improve the drying quality of the heat pump type high-humidity grain dryer.

[0046] Furthermore, the upper end of the hoist 12 is fixed on the eaves, and the part of the ceiling extending outside the granary 11 can provide support for the hoist 12, fix the hoist 12 on the eaves, provide connection stability between the hoist 12 and the granary 11, and improve the overall structural reliability of the heat pump type high-humidity grain dryer.

[0047] The wind conveying process of the heat pump type high-humidity grain dryer is as follows: the fan 13 inhales external normal temperature air and heats the normal temperature air to obtain heated dry hot air, and inputs the dry hot air into the granary 11 through the upper air duct and the downwind air duct 14 to air-dry and dehydrate the grain in the granary 11. The air in the granary 11 is dissipated to the outside through the wall gap of the granary 11. A double-layer air duct air outlet drying structure is formed by arranging the upper air duct and the downwind air duct 14, so that the temperatures of the upper and lower areas of the granary 11 are consistent, thereby improving the drying uniformity of the grain in the granary 11 and thus improving the drying quality of the high-humidity grain by the heat pump type high-humidity grain dryer.

[0048] Furthermore, the heat pump type high-humidity grain dryer can solve the problem of low water removal efficiency of high-humidity grain caused by different moisture contents in the air due to different regions, thereby ensuring the quality of the grain, and can realize the temporary storage and drying of high-humidity grain, which better solves the problem of emergency drying and temporary storage of grain under special weather conditions advocated by the current country.

[0049] The utility model provides a grain discharge mechanism for a grain dryer and a grain dryer. The grain discharge mechanism is arranged at the lower end of a grain bin. A fixed plate based on a grid structure cooperates with a feeding transmission belt with a preset spacing, so that the grain discharge rate at the lower end of the grain bin can be controlled, thereby improving the reliability of grain discharge after the grain is dried.

[0050] In addition, the above embodiments of the present invention are introduced in detail. Specific examples are used in this article to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is only used to help understand the method of the present invention and its core idea. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as a limitation on the present invention.

Claims

1. A grain discharge mechanism for a grain dryer, characterized in that: The grain discharge mechanism comprises a fixed plate and a transmission material discharge belt, wherein the fixed plate is arranged above the transmission material discharge belt; The fixed plate includes a plurality of limit plates, the fixed plate forms a grid plate structure based on the plurality of limit plates, and a blanking slot is formed between any two adjacent limit plates; The transmission unloading belt includes a transmission chain and a plurality of baffles arranged on the transmission chain, and a preset distance is formed between the plurality of baffles; The plurality of baffles are arranged one-to-one under the limiting plate, or the plurality of baffles are located one-to-one under the plurality of material cutting slots.

2. The grain discharge mechanism for a grain dryer according to claim 1, characterized in that: The preset spacing has a length greater than a width of the slot for cutting the material.

3. The grain discharge mechanism for a grain dryer according to claim 1, characterized in that: A guide rail is arranged on the surface of the transmission unloading belt, and a guide pulley is arranged at the bottom of the fixed plate; The fixing plate is slidably fitted on the guide rail based on the guide pulley.

4. The grain discharge mechanism for a grain dryer according to claim 1, characterized in that: The transmission unloading belt also includes a driving motor, and the driving motor is drivingly connected to the transmission chain.

5. A grain dryer, characterized in that: The grain dryer comprises: a grain bin, a hoist, a mounting frame, and a grain discharge mechanism as claimed in any one of claims 1 to 4 arranged at the bottom of the grain bin; The granary is arranged on the mounting frame, the elevator is arranged outside the granary, the feeding end of the elevator is arranged at the bottom, and the discharging end of the elevator is communicated with the top of the granary.

6. The grain dryer according to claim 5, characterized in that: The grain dryer further comprises a heat pump, a fan, an upper air duct and a lower air duct, wherein the fan is arranged outside the grain bin, the upper air duct and the lower air duct are arranged inside the grain bin, and the output end of the heat pump is connected to the upper air duct and the lower air duct based on the fan; The air outlets of the upper air duct and the lower air duct face the interior of the granary.

7. The grain dryer according to claim 6, characterized in that: The top of the elevator is provided with a first material conveying pipe and a second material conveying pipe which are symmetrically distributed; The output pipe openings of the first material conveying pipe and the second material conveying pipe are arranged on the top of the granary.

8. The grain dryer according to claim 6, characterized in that: A roof is arranged on the top of the granary, and one side of the roof extends outside the top of the granary to form an eave.

9. The grain dryer according to claim 8, characterized in that: The upper end of the hoist is fixed on the eaves.

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