Hot air circulation dryer for corn processing
By introducing a snap-fit structure and a turning component into the corn processing dryer, the problems of easy clogging of the filter screen and accumulation of corn kernels have been solved, enabling convenient disassembly of the filter screen and turning of the corn kernels, thereby improving drying efficiency and device convenience.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-29
- Publication Date
- 2026-03-24
AI Technical Summary
The exhaust filter screen of existing corn processing dryers is prone to clogging, corn kernels tend to accumulate, and the filter screen is inconvenient to disassemble and install, affecting drying efficiency and equipment convenience.
A first filter screen with a snap-fit structure and a flipping component were designed. The filter screen is fixed by the snap-fit plate, which is convenient for disassembly and installation. The flipping component is used to turn the corn kernels to prevent them from piling up.
It effectively prevents filter clogging, improves drying efficiency, simplifies the filter replacement process, and enhances the convenience and maintenance efficiency of the device.
Smart Images

Figure CN224034227U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the corn processing field especially, relate to a corn processing is with hot air circulation drying -machine. BACKGROUND
[0002] Corn processing refers to the process of converting corn as raw material into various different products through a series of processes and technologies. Among them, the drying machine for corn processing plays an important role in the whole processing flow. It is mainly used for drying the harvested corn to reduce the moisture content of the corn for long-term storage and subsequent processing. The drying machine passes hot air through the corn to remove moisture and achieve drying. This helps to prevent the corn from mildewing and deteriorating during storage, ensuring the quality and taste of the corn, and providing a good raw material basis for further processing of corn into corn flour, corn starch, corn oil and other products.
[0003] However, the current drying machine has the following defects: the exhaust port filter screen is easy to block and the corn kernels are easy to accumulate: the current drying machine lacks anti-blocking design when running, and impurities are easy to accumulate and block, affecting the exhaust and drying efficiency; at the same time, the corn kernels are easy to accumulate and cannot be automatically turned over, so that part of the corn kernels cannot be fully contacted with hot air, and the drying effect is greatly reduced. The filter screen is not convenient to disassemble and install: the installation structure of the filter screen is complex, and the staff needs to spend a lot of time and effort when replacing, which is tedious and reduces the overall convenience and maintenance efficiency of the device
[0004] Therefore, in view of the problems of the existing exhaust port filter screen lacking anti-blocking design and corn kernel accumulation and the filter screen being inconvenient to disassemble and install, a hot air circulation drying machine for corn processing is needed to solve the above problems. UTILITY MODEL CONTENTS
[0005] In order to solve the problems of the existing exhaust port filter screen lacking anti-blocking design and corn kernel accumulation and the filter screen being inconvenient to disassemble and install, the present application provides a hot air circulation drying machine for corn processing.
[0006] In order to achieve the above purpose, the utility model provides the following technical scheme:
[0007] The utility model provides a hot -blast circulation drying machine for corn processing, including the box, the right side fixed connection of box has the air inlet pipe, the inner wall fixed connection of air inlet pipe has a plurality of electric heating tube, the right side of air inlet pipe is connected with first filter screen through fixed subassembly, and the first filter screen is fixed to the air inlet pipe through fixed subassembly, the left side of the top of box is equipped with the exhaust port, the left side mounting of exhaust port has centrifugal fan, the top side of centrifugal fan circumscribes circulating pipe, the bottom fixed connection of circulating pipe is connected on the outer wall of air inlet pipe, the inside fixed connection of exhaust port has second filter screen, the inside of box is provided with the turnover subassembly, and the corn kernel is turned over through turnover subassembly.
[0008] As a further improvement of the utility model, the fixed assembly includes four buckle plates rotatably connected to the right end of the air inlet pipe, one side of the buckle plate is fixedly connected with a buckle block, the right side of the first filter screen is provided with a buckle groove, the buckle block is engaged in the inside of the buckle groove, and the outer wall of the buckle plate is fixedly connected with a push plate.
[0009] As a further improvement of the utility model, the inner wall of the air inlet pipe is fixedly connected with a circular ring, a plurality of insertion rods are fixedly connected to the right side of the circular ring, and the insertion rods are inserted into the left side of the first filter screen.
[0010] As a further improvement of the utility model, the turnover assembly includes two rotating rods rotatably connected to the inside of the box, a plurality of turnover plates are fixedly connected to the outer wall of the rotating rod, a first pulley is fixedly connected to the rear end of the rotating rod, and the two first pulleys are connected through the inner side of the belt.
[0011] As a further improvement of the utility model, a round rod is rotatably connected to the top side of the inside of the box, a plurality of brush plates are fixedly connected to the outer wall of the round rod, a second pulley is fixedly connected to the rear end of the left rotating rod and the round rod, and the two second pulleys are connected through the inner side of the belt.
[0012] As a further improvement of the utility model, a motor is installed on the front side of the box, and the driving end of the motor is fixedly connected to the front end of the left rotating rod.
[0013] As a further improvement of the utility model, a gate plate is rotatably connected to the bottom side of the box, a fixed block is fixedly connected to the right side of the gate plate, two positioning blocks are fixedly connected to the bottom side of the box, a positioning rod is inserted into the inside of the two positioning blocks, and the positioning rod is inserted into the inside of the fixed block.
[0014] As a further improvement of the utility model, an inlet chute is fixedly connected to the top side of the box.
[0015] In summary, compared with the prior art, the present application has at least one of the following beneficial technical effects:
[0016] 1、 the utility model discloses, by two second pulleys that are connected by the belt make the left side rotary rod rotation drive round bar to rotate, further make round bar drive brush plate to rotate, make the device can prevent the exhaust port filter screen from being blocked while the corn kernel is turned over, prevent the corn kernel from piling up and cause the drying effect to be not ideal.
[0017] 2、 the utility model discloses, by the rotation buckle plate make the buckle block snap into buckle groove, further first filter screen is fixed to the air inlet pipe, make the filter screen for filtering gas convenient to disassemble and install, thereby convenient for staff to replace, improve the convenience of device. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is the axonometric drawing of the hot air circulation drying machine for corn processing that the utility model proposes;
[0019] Figure 2 It is the rear view of the hot air circulation drying machine for corn processing that the utility model proposes;
[0020] Figure 3 It is the bottom view of the hot air circulation drying machine for corn processing that the utility model proposes;
[0021] Figure 4 It is Figure 3 the close-up of A in the middle;
[0022] Figure 5 It is the box body internal structure schematic diagram of the hot air circulation drying machine for corn processing that the utility model proposes;
[0023] Figure 6 It is the agitating plate structure schematic diagram of the hot air circulation drying machine for corn processing that the utility model proposes;
[0024] Figure 7 It is the air inlet pipe internal structure schematic diagram of the hot air circulation drying machine for corn processing that the utility model proposes Figure 1 ;
[0025] Figure 8 It is the air inlet pipe internal structure schematic diagram of the hot air circulation drying machine for corn processing that the utility model proposes Figure 2 ;
[0026] Figure 9 It is the first filter screen structure schematic diagram of the hot air circulation drying machine for corn processing that the utility model proposes.
[0027] LEGEND:
[0028] 1, box; 2, centrifugal fan; 3, motor; 4, air inlet pipe; 5, circulating pipe; 6, feeding groove; 7, second pulley; 8, first pulley; 9, shutter; 10, fixed block; 11, positioning block; 12, positioning rod; 13, rotating rod; 14, turning plate; 15, second filter screen; 16, round rod; 17, brush plate; 18, electric heating pipe; 19, circular ring; 20, first filter screen; 21, buckle plate; 22, buckle block; 23, push plate. DETAILED DESCRIPTION
[0029] In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the following will be a clear and complete description of the technical solutions in the embodiments of the present application in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application.
[0030] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. All other embodiments obtained by those of ordinary skill in the art without making creative efforts based on the embodiments in the present application are within the scope of protection of the present application.
[0031] It should be noted that: similar reference numerals and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.
[0032] In the description of the present application, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly placed when the product of the present application is used, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, if the terms "first", "second" and the like appear in the description of the present application, they are only used to distinguish the description and cannot be understood as indicating or implying relative importance.
[0033] In addition, if the terms "horizontal", "vertical" and the like appear in the description of the present application, they do not mean that the component must be absolutely horizontal or vertical, but can be slightly inclined. For example, "horizontal" only means that its direction is relatively more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.
[0034] In the description of the present application, it also needs to be explained that, unless otherwise explicitly specified and limited, if the terms "set", "install", "connect", "connect" appear, it should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0035] Embodiment 1:
[0036] As shown in Figure 1 and Figure 2 A hot air circulation dryer for corn processing includes a box body 1, a gas inlet pipe 4 is fixedly connected to the right side of the box body 1, as shown in Figure 7 and Figure 8 A plurality of electric heating pipes 18 are fixedly connected to the inner wall of the gas inlet pipe 4, the air entering the gas inlet pipe 4 is heated by the electric heating pipes 18, a first filter screen 20 is connected to the right end of the gas inlet pipe 4, the air entering the gas inlet pipe 4 is filtered by the first filter screen 20 to prevent impurities from entering the box body 1 to pollute the corn kernels or to cause blockage of the gas inlet pipe 4, the first filter screen 20 is made of metal wire mesh, which has the characteristics of high strength, corrosion resistance and high temperature resistance, can withstand a large air flow pressure, and has a good filtering effect, which can effectively intercept dust and impurities in the air as shown in Figure 5 A gas outlet is formed in the left side of the top side of the box body 1, a centrifugal fan 2 is installed on the left side of the gas outlet, the air entering the box body 1 is discharged into the centrifugal fan 2 through the gas outlet, and a negative pressure is formed by the centrifugal fan 2, so that the air is sucked into the box body 1 through the gas inlet pipe 4, the top side of the centrifugal fan 2 is circumscribed by a circulation pipe 5, the bottom end of the circulation pipe 5 is fixedly connected to the outer wall of the gas inlet pipe 4, the circulation pipe 5 connects the gas inlet pipe 4 and the output port of the centrifugal fan 2 together, so that the air circulates and flows into the gas inlet pipe 4, thereby completing the hot air circulation process, a second filter screen 15 is fixedly connected inside the gas outlet, the second filter screen 15 is made of stainless steel wire mesh, which has good corrosion resistance and can resist the erosion of moisture, corn dust and other substances that may be generated during the drying process, ensuring that the filter screen can maintain good performance after long-term use, the second filter screen 15 prevents the corn kernels from being sucked into the centrifugal fan 2 as shown in Figure 8 and Figure 9As shown, four snap-fit plates 21 are rotatably connected to the right end of the air intake pipe 4. A snap-fit block 22 is fixedly connected to one side of the snap-fit plate 21. A snap-fit groove is opened on the right side of the first filter screen 20. The snap-fit block 22 is engaged inside the snap-fit groove. A lever plate 23 is fixedly connected to the outer wall of the snap-fit plate 21. By rotating the snap-fit plate 21, the snap-fit block 22 is engaged into the snap-fit groove, thereby fixing the first filter screen 20 into the air intake pipe 4. A ring 19 is fixedly connected to the inner wall of the air intake pipe 4. Multiple insert rods are fixedly connected to the right side of the ring 19. The insert rods are inserted into the left side of the first filter screen 20. A feed trough 6 is fixedly connected to the top side of the box body 1. By inserting the insert rods into the first filter screen 20, the first filter screen 20 is initially installed on the air intake pipe 4. Corn kernels are added into the box body 1 through the feed trough 6.
[0037] Example 2:
[0038] As one of the optimized structural designs for Example 1, such as Figure 5 and Figure 6 As shown, two rotating rods 13 are rotatably connected inside the box 1. Multiple flipping plates 14 are fixedly connected to the outer wall of the rotating rods 13. The rotating rods 13 drive the flipping plates 14 to rotate inside the box 1, thereby turning the corn kernels and preventing them from piling up and causing poor drying results. A first pulley 8 is fixedly connected to the rear end of the rotating rod 13. The two first pulleys 8 are connected by the inner side of a belt, allowing the two rotating rods 13 to rotate synchronously. A round rod 16 is rotatably connected to the top side inside the box 1. Multiple brush plates 17 are fixedly connected to the outer wall of the round rod 16. The round rod 16 drives the brush plate 17 to rotate, thereby sweeping off the corn kernels adsorbed on the second filter screen 15, preventing them from clogging the second filter screen 15 and affecting the exhaust. The rear ends of both the left rotating rod 13 and the round rod 16 are fixedly connected to second pulleys 7. The two second pulleys 7 are connected by the inner side of a belt. The rotation of the left rotating rod 13 via the two belt-connected second pulleys 7 causes the round rod 16 to rotate. A motor 3 is installed on the front side of the housing 1. The drive end of the motor 3 is fixedly connected to the front end of the left rotating rod 13, driving the left rotating rod 13 to rotate. Figure 3 and Figure 4 As shown, a gate 9 is rotatably connected to the bottom side of the housing 1. A fixing block 10 is fixedly connected to the right side of the gate 9. Two positioning blocks 11 are fixedly connected to the bottom side of the housing 1. Positioning rods 12 are inserted into the interior of the two positioning blocks 11. The positioning rods 12 are inserted into the interior of the fixing blocks 10. The bottom side of the housing 1 is closed by the gate 9, and the gate 9 is fixed by inserting the positioning rods 12 into the fixing blocks 10 and the positioning blocks 11.
[0039] Working principle: firstly, the corn is added into the box 1 through the inlet chute 6, then the centrifugal fan 2 and the motor 3 are started, the negative pressure is formed through the centrifugal fan 2, so that the air is sucked into the box 1 through the air inlet pipe 4, in the process of air being sucked into the air inlet pipe 4, the first filter screen 20 filters the air entering the air inlet pipe 4, prevents impurities from entering the box 1 to pollute the corn or block the air inlet pipe 4, then the gas flows in the air inlet pipe 4 and reaches the box 1, in the process, the electric heating pipe 18 heats the air entering the air inlet pipe 4, so that the air becomes hot air and is put into the drying operation inside the box 1, then the gas is discharged into the centrifugal fan 2 through the exhaust port, and then flows into the air inlet pipe 4 through the circulating pipe 5, so as to complete the process of hot air circulation, in the process, the motor 3 drives the left rotating rod 13 to rotate, then the two first pulleys 8 connected by the belt make the two rotating rods 13 rotate synchronously, so that the rotating rod 13 drives the turnover plate 14 to rotate in the box 1, thereby turning the corn, so as to prevent the corn from piling up to cause unsatisfactory drying effect, at the same time, the second pulley 7 connected by the belt makes the left rotating rod 13 rotate to drive the round rod 16 to rotate, thereby making the round rod 16 drive the brush plate 17 to rotate, thereby sweeping the corn falling off the second filter screen 15, preventing the second filter screen 15 from being blocked to affect the exhaust, when the first filter screen 20 needs to be disassembled, only the buckle plate 21 is pried by the lever 23 to make the buckle block 22 separate from the buckle slot, then the first filter screen 20 is pulled off from the plug plate, and the installation process of the first filter screen 20 is reverse of the above process, which will not be repeated here.
[0040] Finally, it should be pointed out that: the above only for preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.
Claims
1. A hot air circulating dryer for corn processing, characterized in that: The device includes a housing (1), an air inlet pipe (4) is fixedly connected to the right side of the housing (1), and multiple electric heating tubes (18) are fixedly connected to the inner wall of the air inlet pipe (4). A first filter screen (20) is connected to the right end of the air inlet pipe (4) through a fixing component. The first filter screen (20) is fixed to the air inlet pipe (4) through the fixing component. An exhaust port is provided on the left side of the top side of the housing (1). A centrifugal fan (2) is installed on the left side of the exhaust port. A circulation pipe (5) is connected to the top side of the centrifugal fan (2). The bottom end of the circulation pipe (5) is fixedly connected to the outer wall of the air inlet pipe (4). A second filter screen (15) is fixedly connected inside the exhaust port. A turning component is provided inside the housing (1) to turn the corn kernels.
2. The hot air circulating dryer for corn processing according to claim 1, characterized in that: The fixing assembly includes four buckle plates (21) rotatably connected to the right end of the air intake pipe (4). A buckle block (22) is fixedly connected to one side of the buckle plate (21). A buckle groove is provided on the right side of the first filter screen (20). The buckle block (22) is engaged inside the buckle groove. A lever plate (23) is fixedly connected to the outer wall of the buckle plate (21).
3. A hot air circulating dryer for corn processing according to claim 2, characterized in that: The inner wall of the air intake pipe (4) is fixedly connected to a ring (19), and a plurality of insert rods are fixedly connected to the right side of the ring (19). The insert rods are inserted into the left side of the first filter screen (20).
4. A hot air circulating dryer for corn processing according to claim 1, characterized in that: The flipping assembly includes two rotating rods (13) rotatably connected inside the housing (1). Multiple flipping plates (14) are fixedly connected to the outer wall of the rotating rods (13). A first pulley (8) is fixedly connected to the rear end of the rotating rods (13). The two first pulleys (8) are connected to each other through the inner side of the belt.
5. A hot air circulating dryer for corn processing according to claim 4, characterized in that: A round rod (16) is rotatably connected to the top side inside the box (1). Multiple brush plates (17) are fixedly connected to the outer wall of the round rod (16). The rear ends of the rotating rod (13) and the round rod (16) on the left side are both fixedly connected to a second pulley (7). The two second pulleys (7) are connected to each other through the inner side of the belt.
6. A hot air circulating dryer for corn processing according to claim 5, characterized in that: A motor (3) is installed on the front side of the housing (1), and the drive end of the motor (3) is fixedly connected to the front end of the rotating rod (13) on the left side.
7. A hot air circulating dryer for corn processing according to claim 1, characterized in that: A gate (9) is rotatably connected to the bottom side of the box (1), and a fixing block (10) is fixedly connected to the right side of the gate (9). Two positioning blocks (11) are fixedly connected to the bottom side of the box (1), and positioning rods (12) are inserted into the interior of the two positioning blocks (11). The positioning rods (12) are inserted into the interior of the fixing blocks (10).
8. A hot air circulating dryer for corn processing according to claim 1, characterized in that: The top side of the box (1) is fixedly connected to the feed trough (6).