A drying device for food raw material after cleaning

Abstract

The utility model discloses a kind of drying devices after food raw material cleaning, it is related to drying technical field, specifically a kind of drying device after food raw material cleaning, including drying machine, the lower surface of the drying machine is fixedly connected with first support plate, the lower surface of first support plate is provided with the adjusting component that can adjust its inclination angle, the drying cylinder that can rotate is provided in the drying machine, and multiple lifting plates are obliquely provided in drying cylinder, by the collaborative arrangement of adjusting component, driving motor and extrusion fixed plate and bolt, feed inlet and discharge port, first support plate inclination angle can be flexibly adjusted to ensure that the lower surface of drying cylinder is parallel to horizontal plane, support component is prevented from being separated from sliding groove by limiting plate to maintain support stability, clean air filtered by filter screen is inhaled and heated to 45-50 ℃ by fan to form hot air to meet drying demand, driving drying cylinder rotates stably and after material is lifted by lifting plate, it falls to increase material and hot air contact area.

Description

Technical Field

[0001] This utility model relates to the field of air-drying technology, specifically to an air-drying device for food raw materials after cleaning. Background Technology

[0002] In food production, the surface of initial raw materials (such as grains and nuts) is often covered with impurities such as soil, dust, pesticide residues, and microorganisms. If these are not cleaned in time, they will directly affect the hygiene, safety, and quality of the finished food. Therefore, it is necessary to remove these impurities through a washing process. However, a large amount of moisture will remain on the surface of the raw materials after washing. If they are not thoroughly dried, they will not only easily breed microorganisms in subsequent processing stages (such as cutting, drying, and packaging), leading to spoilage of the raw materials, but also affect the operating efficiency of processing equipment due to excessive moisture (such as sticking to the conveyor belt and causing blockages), and even change the taste and shelf life of the finished product. However, most drying devices on the market currently have the problem of incomplete drying in actual application. Since the raw materials are mostly in a static or semi-static state in the drying cylinder, the airflow is difficult to penetrate the raw material layer evenly. In particular, the raw materials at the bottom of the cylinder are often compressed by the raw materials above to form a dense accumulation layer, which hot air cannot effectively contact. Ultimately, the moisture content of the raw materials at the bottom is much higher than that of the upper layer, which seriously affects the stability of subsequent food processing and the quality of the finished product. For example, a food processing air-drying device with application number 202021187558.2, although the prior art can drive a fixed shaft to rotate through an electric motor, the fixed shaft drives an L-shaped tube B to rotate through a rotating tube, and at the same time the fixed shaft drives a sleeve to rotate, and the sleeve drives an L-shaped tube A to rotate, so that the L-shaped tubes B and L-shaped tubes A fluff and stir the raw materials, and at the same time the airflow continuously changes the air-drying area in the fixed cylinder to achieve the air-drying effect of the raw materials; However, in actual operation, this device has obvious defects: when L-shaped tubes A and B rotate and stir the raw materials, they produce a "nut effect" on raw materials of different particle sizes. That is, under the combined action of their own gravity, the raw materials stratify due to differences in particle size and weight: smaller raw material particles gradually settle to the bottom of the fixed cylinder under gravity, while larger raw material particles are more likely to remain in the upper part of the fixed cylinder. After long-term operation, small raw material particles at the bottom of the fixed cylinder will continue to accumulate, forming a dense layer with high density and poor air permeability. In addition, the airflow ejected from L-shaped tubes A and B in this device has a unidirectional upward flow trend. After the hot air comes into contact with the middle and upper layers of raw materials, it will quickly dissipate upwards and has difficulty penetrating the dense raw material layer at the bottom. This not only prevents the bottom raw materials from contacting sufficient dry hot air, but also causes the moisture evaporated from the middle and upper layers of raw materials to accumulate at the bottom, further aggravating the moisture level of the bottom raw materials. Ultimately, the drying effect of the material at the bottom of the fixed cylinder is extremely poor, and some raw materials may even remain in a damp state. Utility Model Content

[0003] (a) Technical problems to be solved To address the shortcomings of existing technologies, this utility model provides a drying device for food raw materials after cleaning, which solves the problems mentioned in the background art.

[0004] (II) Technical Solution To achieve the above objectives, this utility model provides the following technical solution: a drying device for cleaned food ingredients, comprising a dryer, a first support plate fixedly connected to the lower surface of the dryer, an adjustment component capable of adjusting the tilt angle of the first support plate on the lower surface, a rotatable drying cylinder inside the dryer, and multiple lifting plates inclinedly arranged inside the drying cylinder, a fan extending into the dryer at one end fixedly connected to the upper surface of the first support plate, and a detachable filter screen at a position corresponding to the fan on the lower surface of the first support plate.

[0005] Optionally, the adjusting component includes a base plate placed on the ground, a hydraulic cylinder fixedly connected to the right end of the upper surface of the base plate, a support component capable of moving left and right provided at the left end of the upper surface of the base plate, a first connecting plate hinged to the drive shaft at the top of the hydraulic cylinder, the end of the first connecting plate away from the hydraulic cylinder being fixedly connected to a first support plate, a second connecting plate hinged to the end of the support component away from the base plate, and the end of the second connecting plate away from the base plate being fixedly connected to the first support plate.

[0006] Optionally, the support component includes a limiting plate slidably connected to the left end of the base plate, a second support plate fixedly connected to the center of the upper surface of the limiting plate, and the end of the second connecting plate away from the first support plate is hinged to the second support plate.

[0007] Optionally, a sliding groove is provided at the left end of the base plate, and the sliding groove is convex in shape. The limiting plate passes through the sliding groove, and the top of the second support plate also passes through the sliding groove.

[0008] Optionally, the air dryer is rotatably connected to a rotating shaft, and both ends of the rotating shaft extend outside the air dryer. A drive motor capable of causing the rotating shaft to rotate is provided on the left end of the upper surface of the first support plate. A feed inlet is provided on the right side of the air dryer, and a discharge outlet is provided on the left side of the air dryer.

[0009] Optionally, the drying cylinder is octagonal cylindrical in shape, with the diameter of the right end of the drying cylinder being larger than the diameter of the left end. Multiple driven rods are fixedly connected to the middle of the rotating shaft, and the end of the driven rod away from the rotating shaft is fixedly connected to the drying cylinder.

[0010] Optionally, an air inlet is provided through the middle of the upper surface of the first support plate, and the opening on the lower surface of the fan completely covers the air inlet. A detachable pressing and fixing plate is installed in the middle of the lower surface of the first support plate, and the filter screen is pressed between the pressing and fixing plate and the first support plate.

[0011] (III) Beneficial Effects This utility model provides a drying device for cleaned food ingredients, which has the following beneficial effects: This food ingredient drying device, through the coordinated arrangement of components, fans and filters, air inlets, drying cylinders and lifting plates, drive motors and pressing plates, and feed and discharge ports, can flexibly adjust the tilt angle of the first support plate to ensure the lower surface of the drying cylinder is parallel to the horizontal plane. A limiting plate prevents the support components from detaching from the sliding groove to maintain support stability. It draws in clean air filtered by the screen and heats it to 45-50℃ by the fan to create hot air that meets drying requirements. The device drives the drying cylinder to rotate stably and lifts the material via the lifting plate before it falls, increasing the contact area between the material and the hot air. The filter screen can be easily disassembled and replaced to ensure long-term air cleanliness. It also ensures smooth feeding of raw materials and orderly discharge after drying, ultimately ensuring stable operation and efficient, clean drying of food ingredients. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a rear-view cross-sectional structural diagram of the air dryer of this utility model; Figure 3 This utility model Figure 2 Enlarged structural diagram at point A; Figure 4 This is a schematic cross-sectional view of the air-drying cylinder of this utility model from the left.

[0013] In the diagram: 1. Air dryer; 2. Feed inlet; 3. First support plate; 4. Base plate; 5. Hydraulic cylinder; 6. Second support plate; 7. Limiting plate; 8. Sliding groove; 9. Rotating shaft; 10. Driven rod; 11. Air drying cylinder; 12. Lifting plate; 13. Fan; 14. Discharge port; 15. First connecting plate; 16. Second connecting plate; 17. Extrusion fixing plate; 18. Filter screen; 19. Air inlet. Detailed Implementation

[0014] 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.

[0015] Please see Figures 1 to 4This utility model provides a technical solution: a drying device for cleaned food raw materials, including a dryer 1, a first support plate 3 fixedly connected to the lower surface of the dryer 1, an adjustment component capable of adjusting its tilt angle provided on the lower surface of the first support plate 3, a rotatable drying cylinder 11 provided inside the dryer 1, and multiple lifting plates 12 (such as...) are inclinedly arranged inside the drying cylinder 11. Figure 4 As shown, a fan 13 extending into the air dryer 1 is fixedly connected to the upper surface of the first support plate 3, and a removable filter screen 18 is provided on the lower surface of the first support plate 3 at a position corresponding to the fan 13. The fan 13 adopts existing technology, and its working principle will not be described in detail. When the fan 13 is working, it can draw in workshop air and introduce it into the air dryer 1. The fan 13 has a built-in heating component, and the temperature of the air discharged after heating can reach 45-50℃. This hot air enters the drying cylinder 11 to dry the cleaned food raw materials. Meanwhile, the filter screen 18 can filter the air entering the fan 13, thereby effectively preventing dust and other impurities in the workshop air from entering the air dryer 1.

[0016] The adjustment components include a base plate 4 placed on the ground. A hydraulic cylinder 5 is fixedly connected to the right end of the upper surface of the base plate 4. The hydraulic cylinder 5 adopts existing mature technology, and its working principle will not be described in detail. A support component that can move left and right is provided on the left end of the upper surface of the base plate 4. A first connecting plate 15 is hinged to the drive shaft at the top of the hydraulic cylinder 5. The end of the first connecting plate 15 away from the hydraulic cylinder 5 is fixedly connected to the first support plate 3. A second connecting plate 16 is hinged to the end of the support component away from the base plate 4. The end of the second connecting plate 16 away from the base plate 4 is fixedly connected to the first support plate 3. Therefore, when the hydraulic cylinder 5 is operated by personnel, its output driving force can push the first connecting plate 15 to move up and down in the vertical direction. The fixed connection between the first connecting plate 15 and the first support plate 3 will drive the first support plate 3 to adjust its posture synchronously. Therefore, the first connecting plate 15 directly transmits the driving force of the hydraulic cylinder 5 to the first support plate 3 to ensure efficient power transmission to achieve the adjustment of the tilt angle. Simultaneously, during the movement of the first connecting plate 15 driving the first support plate 3, the hinge joint between the first connecting plate 15 and the top drive shaft of the hydraulic cylinder 5 will rotate relative to each other, and the hinge joint between the top of the support component and the second connecting plate 16 will also rotate relative to each other synchronously. This is because the hinge structure has a single-axis rotational degree of freedom, which can eliminate the additional stress generated between the components when the first support plate 3 is tilted through its own rotation, avoid movement jamming caused by rigid constraints, and ensure the smoothness of the adjustment process.

[0017] Furthermore, when the right end of the first support plate 3 tilts with the action of the hydraulic cylinder 5, the left end of the first support plate 3 will naturally undergo a horizontal displacement change. At this time, the support component can slide synchronously on the left end of the base plate 4. The sliding of the support component compensates for the horizontal displacement difference generated during the tilting process of the first support plate 3, ensuring that the support component always forms a stable vertical support for the first support plate 3 and maintains the structural balance of the first support plate 3 during the angle adjustment process.

[0018] The supporting components include a limiting plate 7 that is slidably connected to the left end of the base plate 4, a second supporting plate 6 that is fixedly connected to the center of the upper surface of the limiting plate 7, and a second connecting plate 16 that is away from the first supporting plate 3 that is hinged to the second supporting plate 6. Therefore, when the first support plate 3 tilts, the hinge between the second connecting plate 16 and the second support plate 6 will rotate relative to each other. During this process, the second support plate 6 will drive the limiting plate 7 to slide synchronously along the bottom plate 4, thereby cooperating to complete the tilt angle adjustment of the first support plate 3.

[0019] A sliding groove 8 is provided at the left end of the base plate 4, and the sliding groove 8 is convex in shape. The limiting plate 7 passes through the sliding groove 8, and the top of the second support plate 6 also passes through the sliding groove 8. Figure 1 As shown, the width of the limiting plate 7 is much larger than the width of the sliding groove 8. Therefore, when the second support plate 6 drives the limiting plate 7 to slide in the sliding groove 8, the limiting plate 7 forms an effective limit due to the difference in width dimensions and will not detach from the sliding groove 8.

[0020] A rotating shaft 9 is rotatably connected inside the air dryer 1, and both ends of the rotating shaft 9 extend outside the air dryer 1. A drive motor that can cause the rotating shaft 9 to rotate is provided on the left end of the upper surface of the first support plate 3. A pulley is fixedly connected to the left end of the rotating shaft 9, and a pulley is also fixed on the drive shaft of the drive motor. A drive belt is sleeved between the two pulleys. When the drive motor works, the rotating shaft 9 can be driven to rotate synchronously through the transmission of the drive belt. A feed inlet 2 is provided on the right side of the air dryer 1, and a discharge outlet 14 is provided on the left side of the air dryer 1. Therefore, the cleaned food raw materials can be put into the air drying cylinder 11 through the feed inlet 2, and after air drying, they can be discharged from the outside of the air dryer 1 through the discharge outlet 14.

[0021] The drying cylinder 11 is octagonal cylindrical in shape, and the diameter of the right end of the drying cylinder 11 is larger than the diameter of the left end. Multiple driven rods 10 are fixedly connected to the middle of the rotating shaft 9, and the end of the driven rod 10 away from the rotating shaft 9 is fixedly connected to the drying cylinder 11. Therefore, when the rotating shaft 9 rotates, it will drive the drying cylinder 11 to rotate synchronously through the driven rods 10.

[0022] An air inlet 19 is passed through the middle of the upper surface of the first support plate 3, and the opening on the lower surface of the fan 13 completely covers the air inlet 19. A detachable compression fixing plate 17 is installed in the middle of the lower surface of the first support plate 3, and the filter screen 18 is squeezed between the compression fixing plate 17 and the first support plate 3. The lower surface of the compression fixing plate 17 is threaded with multiple bolts, one end of which extends into the first support plate 3. Therefore, personnel can fix the compression fixing plate 17 to the first support plate 3 by tightening the bolts. When the filter screen 18 has been used for a long time, personnel only need to loosen the bolts to remove the compression fixing plate 17, replace the new filter screen 18, and then fix the compression fixing plate 17 back to the first support plate 3 with the bolts. In addition, when personnel are air-drying food raw materials, the right end of the first support plate 3 should be tilted downwards to ensure that the lower surface of the rotating drying cylinder 11 is always parallel to the horizontal plane. When the first connecting plate 15 moves downwards to the maximum stroke, the lower surface of the drying cylinder 11 is exactly parallel to the horizontal plane. At this time, the drying cylinder 11 rotates, and the material will not accumulate to the right end of the drying cylinder 11. Instead, it can roll and turn naturally inside the cylinder, so that when the heated air is blown into the drying cylinder 11, it can act evenly on the food raw materials to achieve air drying. At the same time, as the lifting plate 12 rotates synchronously with the drying cylinder 11, it can lift some of the food raw materials to a high place. As the drying cylinder 11 continues to rotate, the lifted food raw materials will fall from the high place. This process can increase the contact area between the food raw materials and the heated air, thereby further improving the uniformity and efficiency of air drying. After the food ingredients are dried, the hydraulic cylinder 5 needs to be restarted. Its output power can drive the first support plate 3 back to the initial position. At this time, the drying cylinder 11 continues to rotate. The dried food ingredients will move to the left end of the drying cylinder 11 under the combined action of their own gravity and the rotation force of the cylinder wall, and finally be discharged from the outlet 14 to the outside of the dryer 1.

[0023] In summary, when using the drying device for cleaned food ingredients, the hydraulic cylinder 5 is first started according to the drying operation requirements: the hydraulic cylinder 5 outputs driving force to push the first connecting plate 15 to move in the vertical direction, which drives the first support plate 3 to adjust its posture synchronously, so that the right end of the first support plate 3 tilts downward. During this process, the hinge between the first connecting plate 15 and the drive shaft of the hydraulic cylinder 5, and the hinge between the second connecting plate 16 and the second support plate 6 rotate synchronously. The second support plate 6 drives the limiting plate 7 to slide along the sliding groove 8 of the bottom plate 4 to compensate for the horizontal displacement, until the first connecting plate 15 moves to the maximum stroke, ensuring that the lower surface of the drying cylinder 11 is parallel to the horizontal plane, laying the foundation for subsequent uniform drying. Then, the drive motor and fan 13 on the first support plate 3 are started: the drive motor drives the rotating shaft 9 to rotate synchronously through the pulley and drive belt, and the rotating shaft 9 drives the octagonal cylindrical drying cylinder 11 to rotate through the driven rod 10 in the middle. The fan 13 draws in workshop air through the air inlet 19 of the first support plate 3. The air is first filtered by the filter screen 18 between the compression fixing plate 17 and the first support plate 3 to remove dust and other impurities before entering the fan 13. The air is heated to 45-50℃ by the built-in heating element of the fan 13, and then the hot air enters the rotating drying cylinder 11. At this time, the cleaned food raw materials are put into the drying cylinder 11 through the feed port 2 on the right side of the dryer 1. The raw materials roll and turn naturally under the action of the rotation of the drying cylinder 11. At the same time, the lifting plate 12 inside the drying cylinder 11 rotates synchronously with the drying cylinder 11, lifting some of the raw materials to a high position and then letting them fall, increasing the contact area between the raw materials and the hot air, and achieving uniform and efficient drying. After the food ingredients are dried, the hydraulic cylinder 5 is activated again to drive the first support plate 3 back to its initial position. At this time, the drying cylinder 11 continues to rotate. Under the combined force of its own gravity and the rotation of the cylinder wall, the dried ingredients move to the left end of the drying cylinder 11 and are finally discharged from the discharge port 14 on the left side of the dryer 1. If the filter screen 18 becomes clogged after long-term use, the bolts on the lower surface of the compression fixing plate 17 can be loosened, the compression fixing plate 17 can be removed, a new filter screen 18 can be replaced, and then the bolts can be tightened again to fix the compression fixing plate 17. This ensures the air cleanliness of subsequent drying operations and ensures the continuous and stable operation of the device.

[0024] 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 drying device for food raw materials after cleaning, comprising a dryer (1), characterized in that: The lower surface of the air dryer (1) is fixedly connected to a first support plate (3). The lower surface of the first support plate (3) is provided with an adjustment component that can adjust its tilt angle. The air dryer (1) is provided with a rotatable air drying cylinder (11). Multiple lifting plates (12) are inclinedly arranged inside the air drying cylinder (11). The upper surface of the first support plate (3) is fixedly connected to a fan (13) that extends into the air dryer (1). The lower surface of the first support plate (3) is provided with a detachable filter screen (18) at a position corresponding to the fan (13).

2. The air-drying device for food raw materials after cleaning according to claim 1, characterized in that: The adjustment component includes a base plate (4) placed on the ground. A hydraulic cylinder (5) is fixedly connected to the right end of the upper surface of the base plate (4). A support component that can move left and right is provided at the left end of the upper surface of the base plate (4). A first connecting plate (15) is hinged to the drive shaft at the top of the hydraulic cylinder (5). The end of the first connecting plate (15) away from the hydraulic cylinder (5) is fixedly connected to the first support plate (3). The end of the support component away from the base plate (4) is hinged to the second connecting plate (16). The end of the second connecting plate (16) away from the base plate (4) is fixedly connected to the first support plate (3).

3. The air-drying device for food raw materials after cleaning according to claim 2, characterized in that: The supporting component includes a limiting plate (7) that is slidably connected to the left end of the base plate (4). A second supporting plate (6) is fixedly connected to the center of the upper surface of the limiting plate (7). The end of the second connecting plate (16) away from the first supporting plate (3) is hinged to the second supporting plate (6).

4. The air-drying device for food raw materials after cleaning according to claim 3, characterized in that: The bottom plate (4) has a sliding groove (8) at its left end, and the sliding groove (8) is convex in shape. The limiting plate (7) passes through the sliding groove (8), and the top of the second support plate (6) also passes through the sliding groove (8).

5. The air-drying device for food raw materials after cleaning according to claim 1, characterized in that: The air dryer (1) is rotatably connected to a rotating shaft (9), and both ends of the rotating shaft (9) extend to the outside of the air dryer (1). The left end of the upper surface of the first support plate (3) is provided with a drive motor that can cause the rotating shaft (9) to rotate. The air dryer (1) is provided with a feed inlet (2) on the right side and a discharge outlet (14) on the left side.

6. The air-drying device for food raw materials after cleaning according to claim 5, characterized in that: The drying tube (11) is octagonal cylindrical in shape, and the diameter of the right end of the drying tube (11) is larger than the diameter of the left end. Multiple driven rods (10) are fixedly connected to the middle of the rotating shaft (9), and the end of the driven rod (10) away from the rotating shaft (9) is fixedly connected to the drying tube (11).

7. The air-drying device for food raw materials after cleaning according to claim 1, characterized in that: An air inlet (19) is passed through the middle of the upper surface of the first support plate (3), and the opening on the lower surface of the fan (13) completely covers the air inlet (19). A detachable compression fixing plate (17) is installed in the middle of the lower surface of the first support plate (3), and the filter screen (18) is squeezed between the compression fixing plate (17) and the first support plate (3).

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