Primary agricultural product drying processing equipment

Abstract

The primary agricultural product drying processing equipment comprises a drying box and an air heater, the air heater is installed on the end face of the drying box, an air outlet is communicated with the interior of the drying box, one side of the drying box is open, and a stress buffering mechanism is installed on the outer wall of a connecting rod. By arranging the second spring and the balls on the connecting block, the balls are in rolling contact with the arc-shaped grooves of the fixing frame, traditional rigid collision is converted into rolling friction, friction force and impact force in the contact process are greatly reduced, stress is prevented from being concentrated on local positions, and meanwhile when equipment is vibrated or impacted, the equipment is prevented from being damaged. The second spring can play a buffering role in time, absorb and disperse impact force and prevent the impact force from being directly transmitted to the fixing plate and the fixing frame, so that fatigue cracks caused by the fact that parts are in a stress concentration state for a long time are effectively prevented, the service life of key parts of equipment is greatly prolonged, and the maintenance cost and replacement frequency of the equipment are reduced.

Description

Technical Field

[0001] This utility model relates to the field of drying equipment technology, and in particular to a primary agricultural product drying and processing equipment. Background Technology

[0002] Agricultural products are items produced in agriculture, such as sorghum, rice, peanuts, corn, wheat, and local specialties. The state stipulates that primary agricultural products refer to plants, animals and their products obtained from agricultural activities, excluding processed products. Primary processing of agricultural products commonly involves screening, such as removing small stones, screening out broken grains and dry grains, and screening out unqualified seeds. Agricultural product processing equipment is an indispensable piece of equipment in the agricultural product processing industry.

[0003] Chinese utility model patent CN221630241U discloses a drying device for primary processing of agricultural products. In use, the device rotates a drive block via a drive rod, and the contact between the drive block and the screening element vibrates the material on the screening element. However, this method has certain drawbacks. For example, the contact between the drive block and the screening element is a localized stress concentration contact. During the rotation of the drive block, each collision with the screening element causes the contact point to experience a large impact force instantaneously. Prolonged exposure to this stress concentration can easily lead to fatigue cracks in the contact area of ​​the drive block, affecting the service life of the equipment. Therefore, this paper proposes a primary agricultural product drying and processing device to address these issues. Utility Model Content

[0004] The purpose of this utility model is to address the shortcomings of existing technologies by proposing a primary agricultural product drying and processing equipment.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A primary agricultural product drying and processing equipment includes a drying chamber and a hot air blower. The hot air blower is installed on the end face of the drying chamber, and its air outlet is connected to the interior of the drying chamber. One side of the drying chamber is open. A fixed frame is movably connected inside the drying chamber, and a placement basket is held in the fixed frame. Multiple sets of through holes are opened through the end face of the placement basket. A rotating block is rotatably connected to the inner wall of the drying chamber. A fixed plate is fixedly connected to the outer wall of the rotating block. A connecting rod is slidably connected to the outer wall of the fixed plate, and the outer wall of the connecting rod is L-shaped. A connecting block is fixedly connected to the axis of the connecting rod. Multiple sets of ball bearings are distributed circumferentially on the outer wall of the connecting block. An arc-shaped groove is opened on the end face of the fixed frame, and the outer wall of the ball bearings contacts the inner wall of the groove. A stress buffer mechanism is installed on the outer wall of the connecting rod.

[0007] Preferably, the stress buffer mechanism includes a fixing block fixedly connected to the end of the connecting rod, the radius of the fixing block being larger than the radius of the connecting rod, and a second spring being sleeved on the outer wall of the connecting rod, one end of the second spring being fixedly connected to the end face of the fixing plate, and the other end of the second spring being fixedly connected to the lower end face of the fixing block.

[0008] Preferably, two sets of sliding rods are fixedly connected to the bottom of the drying oven, and their positions are symmetrical to each other. Limiting blocks are fixedly connected to the ends of both sets of sliding rods, and their radii are the same as the radius of the sliding rod.

[0009] Preferably, a spring is sleeved on the outer wall of the slide rod, one end of the spring is fixedly connected to the bottom of the drying oven, and the other end of the spring is fixedly connected to the lower end face of the fixing frame. The fixing frame is slidably connected to the outer walls of the two sets of slide rods.

[0010] Preferably, a sealing door panel is rotatably connected to the opening on one side of the drying oven, and a sealing gasket is provided at the connection between the sealing door panel and the drying oven.

[0011] Preferably, a servo motor is fixedly connected to the back of the drying oven, and the output shaft of the servo motor is coaxially fixedly connected to the rotating block.

[0012] This utility model has the following beneficial effects:

[0013] 1. This utility model, by setting a second spring and ball bearings on the connecting block, allows the ball bearings to roll into contact with the arc-shaped groove of the fixed frame, transforming the traditional rigid collision into rolling friction. This greatly reduces the friction and impact force during contact, preventing stress concentration in localized areas. Simultaneously, when the equipment is subjected to vibration or impact, the second spring can promptly play a buffering role, absorbing and dispersing the impact force, preventing the impact force from being directly transmitted to the fixed plate and fixed frame. This effectively prevents fatigue cracks from occurring in components due to long-term stress concentration, greatly extending the service life of key components and reducing equipment maintenance costs and replacement frequency.

[0014] 2. This utility model uses a servo motor to drive the rotating block to rotate, which in turn causes the fixed frame to vibrate. At this time, spring one and spring two work together. Spring one buffers the vibration of the fixed frame as a whole, while spring two buffers the impact force on the connecting rod. This buffering design also allows the agricultural products placed in the basket to vibrate slightly, promoting even heating of the agricultural products during the drying process and improving the drying effect and quality. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of a primary agricultural product drying and processing equipment proposed in this utility model;

[0016] Figure 2 for Figure 1 Schematic diagram of cross-section structure.

[0017] Figure 3 for Figure 2 Schematic diagram of components such as transfer block, connecting block and spring.

[0018] In the diagram: 1. Drying oven; 2. Sealed door panel; 3. Hot air blower; 4. Fixed frame; 5. Placement basket; 6. Sliding rod; 7. Limiting block; 8. Spring 1; 9. Rotating block; 10. Fixed plate; 11. Connecting rod; 12. Fixed block; 13. Connecting block; 14. Ball bearing; 15. Spring 2. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0020] Reference Figure 1-3 A primary agricultural product drying and processing equipment includes a drying chamber 1 and a hot air blower 3. The hot air blower 3 is installed on the end face of the drying chamber 1, and its air outlet is connected to the inside of the drying chamber 1. One side of the drying chamber 1 is open. A fixed frame 4 is movably connected inside the drying chamber 1. A placement basket 5 is clamped in the fixed frame 4. Multiple sets of through holes are opened through the end face of the placement basket 5. A rotating block 9 is rotatably connected to the inner wall of the drying chamber 1. A fixed plate 10 is fixedly connected to the outer wall of the rotating block 9. A connecting rod 11 is slidably connected to the outer wall of the fixed plate 10. The outer wall of the connecting rod 11 is L-shaped. A connecting block 13 is fixedly connected to the axis of the connecting rod 11. Multiple sets of balls 14 are distributed around the outer circumference of the outer wall of the connecting block 13. An arc-shaped groove is opened on the end face of the fixed frame 4, and the outer wall of the balls 14 contacts the inner wall of the groove. A stress buffer mechanism is installed on the outer wall of the connecting rod 11.

[0021] Furthermore, by setting the fixed frame 4 and the placement basket 5 as a movable connection, it is convenient to place and replace different types and quantities of agricultural products, thereby improving the flexibility of equipment use. The connecting block 13 and the fixed frame 4 are in contact with ball bearings 14. Compared with the direct collision between the drive block and the screening parts in the prior art, this reduces the friction and impact force during contact, effectively avoids stress concentration that leads to component wear, and extends the overall service life of the equipment.

[0022] The stress buffer mechanism includes a fixing block 12 fixedly connected to the end of the connecting rod 11. The radius of the fixing block 12 is larger than that of the connecting rod 11. A second spring 15 is sleeved on the outer wall of the connecting rod 11. One end of the second spring 15 is fixedly connected to the end face of the fixing plate 10, and the other end of the second spring 15 is fixedly connected to the lower end face of the fixing block 12.

[0023] Furthermore, during equipment operation, the second spring 15 can effectively buffer and absorb the impact force on the connecting rod 11, preventing the impact force from acting directly on the fixed plate 10 and the fixed frame 4, and preventing fatigue cracks or accelerated wear of the components due to frequent stress. Compared with the rigid contact between the drive block and the screening component in the prior art, it improves the durability of the equipment.

[0024] Two sets of sliding rods 6 are fixedly connected to the bottom of the drying oven 1, and their positions are symmetrical. Limiting blocks 7 are fixedly connected to the ends of both sets of sliding rods 6, and their radii are the same as the radius of the sliding rods 6. A spring 8 is sleeved on the outer wall of the sliding rods 6. One end of the spring 8 is fixedly connected to the bottom of the drying oven 1, and the other end of the spring 8 is fixedly connected to the lower end face of the fixed frame 4. The fixed frame 4 is slidably connected to the outer wall of the two sets of sliding rods 6.

[0025] Furthermore, the spring-8, in conjunction with the stress buffer mechanism, forms a double buffer structure, which further enhances the buffer protection of the fixed frame 4 and the internal agricultural products, effectively reducing the impact of vibration on the equipment components.

[0026] A sealing door panel 2 is rotatably connected to the opening on one side of the drying oven 1, and a sealing gasket is provided at the connection between the sealing door panel 2 and the drying oven 1. A servo motor is fixedly connected to the back of the drying oven 1, and the output shaft of the servo motor is coaxially fixedly connected to the rotating block 9.

[0027] In this invention, the device is used as follows: the operator first opens the sealing door 2, places the agricultural products in the placement basket 5, and the movable connection design between the placement basket 5 and the fixed frame 4 facilitates quick replacement of placement baskets of different sizes to suit different agricultural products. After placement, the sealing door 2 is closed, and the sealing gasket at its connection with the drying chamber 1 ensures that a closed space is formed inside the drying chamber 1 to prevent heat loss.

[0028] The servo motor is then started, which drives the rotating block 9 to rotate. As the rotating block 9 rotates, it drives the connecting rod 11 to move through the fixed plate 10. The ball bearings 14 on the outer wall of the connecting block 13 on the connecting rod 11 contact the arc-shaped groove on the end face of the fixed frame 4. During rotation, the ball bearings 14 roll along the groove, changing the rigid collision contact between the traditional drive block and the screening component into rolling friction, which greatly reduces the friction and impact force during contact and avoids stress concentration causing wear on the components.

[0029] During the movement of connecting rod 11, if it is subjected to a large impact force, the fixing block 12 at the end of connecting rod 11 will compress the second spring 15 sleeved on the outer wall of connecting rod 11. The second spring 15 plays a role in buffering and absorbing the impact force, preventing the impact force from being directly transmitted to the fixing plate 10 and the fixing frame 4, and preventing fatigue cracks in the components due to frequent stress. At the same time, the first spring 8 between the lower end face of the fixing frame 4 and the bottom of the drying chamber 1 also plays a role. When the fixing frame 4 is subjected to vibration and impact, the first spring 8 is compressed or stretched, forming a double buffer structure with the second spring 15, further reducing the impact of vibration on the equipment components and ensuring stable operation of the equipment.

[0030] After the hot air blower 3 is started, hot air enters the drying chamber 1 through the air outlet, passes through the through hole on the end face of the basket 5, and comes into full contact with the agricultural products to achieve the drying process. During the drying process, the sliding of the fixed frame 4 on the slide rod 6 and the buffering effect of spring 8 and spring 15 cause the agricultural products to vibrate slightly inside the drying chamber 1, which promotes uniform heating of the agricultural products and improves the drying effect.

[0031] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A primary agricultural product drying processing equipment comprising a drying chamber (1) and a hot air generator (3), characterized in that, The hot air machine (3) is installed at the end face of the drying box (1), and the air outlet communicates with the inside of the drying box (1), one side of the drying box (1) is provided with an opening, the drying box (1) is movably connected with a fixed frame (4), the fixed frame (4) is provided with a placing basket (5), a plurality of through holes are formed in the end face of the placing basket (5), a rotating block (9) is rotatably connected to the inner wall of the drying box (1), a fixed plate (10) is fixedly connected to the outer wall of the rotating block (9), a connecting rod (11) is slidably connected to the outer wall of the fixed plate (10), and the outer wall of the connecting rod (11) is L-shaped, a connecting block (13) is fixedly connected to the shaft center of the connecting rod (11), a plurality of balls (14) are circumferentially distributed on the outer wall of the connecting block (13), an arc-shaped groove is formed in the end face of the fixed frame (4), and the outer wall of the ball (14) is in contact with the inner wall of the groove, and a stress buffering mechanism is mounted on the outer wall of the connecting rod (11).

2. A primary agricultural product drying and processing apparatus as claimed in claim 1, wherein, The stress buffering mechanism comprises a fixed block (12) fixedly connected to the end of the connecting rod (11), the radius size of the fixed block (12) is greater than the radius size of the connecting rod (11), a spring (15) is sleeved on the outer wall of the connecting rod (11), one end of the spring (15) is fixedly connected to the end face of the fixed plate (10), and the other end of the spring (15) is fixedly connected to the lower end face of the fixed block (12).

3. A primary produce drying processing apparatus as claimed in claim 2, wherein, Two groups of slide rods (6) are fixedly connected to the inner bottom of the drying box (1), and the positions are symmetrical to each other, the end of each group of slide rods (6) is fixedly connected with a limiting block (7), and the radius is the same as that of the slide rod (6).

4. A primary produce drying processing apparatus as claimed in claim 3, wherein, A spring (8) is sleeved on the outer wall of the slide rod (6), one end of the spring (8) is fixedly connected to the inner bottom of the drying box (1), and the other end of the spring (8) is fixedly connected to the lower end face of the fixed frame (4), and the fixed frame (4) is slidably connected to the outer wall of the two groups of slide rods (6).

5. A primary produce drying processing apparatus as claimed in claim 4, wherein, A sealing door plate (2) is rotatably connected to the opening of one side of the drying box (1), and a sealing gasket is arranged at the joint of the sealing door plate (2) and the drying box (1).

6. A primary produce drying processing apparatus as claimed in claim 5, wherein, A servo motor is fixedly connected to the back of the drying box (1), and the output shaft of the servo motor is coaxially fixedly connected with the rotating block (9).

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