Energy-saving hot air circulating oven

Abstract

The utility model relates to the field of hot air circulating ovens, in particular to an energy-saving hot air circulating oven which comprises a bearing plate. The upper end of the bearing plate is fixedly connected with a drying oven shell and a base plate. The air heating block is started to heat the bearing disc, then the first exhaust fan is started to exhaust air upwards, air in the drying oven shell can be exhausted into the exhaust pipe by the first exhaust fan through the exhaust hole, the second exhaust fan is started to assist in exhausting air, hot air in the exhaust pipe is blown into the exhaust pipe, and the air in the drying oven shell is exhausted by the second exhaust fan. Hot air can be blown to an object placed at the upper end of the bearing disc through the air exhaust body, the interior of the air exhaust body can be heated by starting an air heating rod, a motor is started to enable a rotating column to drive a top disc and the air exhaust body to rotate, circulating flowing of the hot air can be achieved, the position of the air exhaust body can be changed, and air can be blown to the center of the drying oven shell from multiple angles; and by blowing air at different positions, the fluidity of hot air can be improved, and the drying effect is improved.

Description

Technical Field

[0001] The utility model belongs to the field of hot air circulation ovens, and in particular relates to an energy-saving hot air circulation oven. Background Art

[0002] A hot air circulation oven is a device that utilizes the combined effects of circulating air and a heater to circulate hot air into the oven, accelerating the material drying process by heat and mass transfer. A hot air circulation oven usually uses a circulating air system that can achieve efficient heat transfer and energy recovery.

[0003] Compared with traditional drying equipment, hot air circulation ovens have significant energy-saving effects. However, when using hot air circulation ovens in the prior art, it is difficult to supply air to the center of the oven from multiple angles, and it is difficult to improve the drying efficiency of objects in the middle of the oven, which needs further improvement.

[0004] Therefore, an energy-saving hot air circulation oven is proposed, which can supply air to the center of the oven from multiple angles, thereby improving the drying efficiency of objects in the middle of the oven. Utility Model Content

[0005] In order to overcome the problem that it is difficult to supply air to the center of the oven from multiple angles and it is difficult to improve the drying efficiency of objects in the middle of the oven in the prior art, an energy-saving hot air circulation oven is proposed.

[0006] The technical scheme of the utility model is: an energy-saving hot air circulation oven, comprising a carrying plate; an oven shell is fixedly connected to the upper end of the carrying plate, a bottom plate is fixedly connected to the upper end of the carrying plate, a second slot body evenly distributed is penetrated through the upper and lower ends of the bottom plate, a third slot body evenly distributed is opened at the upper end of the carrying plate, a blower is fixedly connected to the bottom surface of the inner wall of the third slot body, a plurality of support columns are fixedly connected to the upper end of the bottom plate, a carrying plate is fixedly connected to the upper ends of the plurality of support columns, a ventilation slot is penetrated through the upper and lower ends of the carrying plate, the top surface of the carrying plate is annular, and a plurality of air heating blocks are fixedly connected to the lower end of the carrying plate;

[0007] A circulation mechanism is provided on the bearing plate, and the circulation mechanism includes a motor, a rotating column, a top plate, a first air collecting hood, a first exhaust fan, an exhaust hole, a second air collecting hood, an exhaust pipe, a second exhaust fan, an exhaust pipe, an exhaust body and an air heating rod; the upper end of the bearing plate is fixedly connected to the motor, the upper end of the output shaft of the motor is fixedly connected to the rotating column, the upper end of the rotating column is fixedly connected to the top plate, the upper and lower ends of the top plate are penetrated by exhaust holes, the upper end of the top plate is fixedly connected to the first air collecting hood, and the exhaust hole is located at the first air collecting hood. At the lower part of the hood, the upper end of the first air collecting hood is fixedly connected to the air inlet end of the first exhaust fan, the upper end of the air outlet end of the first exhaust fan is fixedly connected to the second air collecting hood, the upper end of the second air collecting hood is fixedly connected to the exhaust duct, the lower end of the exhaust duct is fixedly connected to the air inlet end of the second exhaust fan, the lower end of the air outlet end of the second exhaust fan is fixedly connected to one end of the exhaust duct, the other end of the exhaust duct is fixedly connected to an exhaust body, the upper end of the exhaust body is fixedly connected to the lower end of the top plate, and multiple air heating rods are fixedly connected to the upper and lower ends of the inner wall of the exhaust body.

[0008] Preferably, when in use, an object is placed on the upper end of the carrying plate, and the air heating block is turned on to heat the carrying plate, so that the object can be heated and dried, which will gradually heat up the inside of the oven shell, and then the first exhaust fan is turned on to draw air upward, and the gas in the oven shell will be drawn into the exhaust duct by the first exhaust fan through the exhaust hole, and the second exhaust fan is turned on to assist in exhausting air, and the hot air in the exhaust duct is blown into the exhaust duct, and the hot air will be blown onto the object placed on the upper end of the carrying plate through the exhaust body, and the air heating rod can be turned on to heat the inside of the exhaust body, which can improve the blowing effect on the object, and the motor is turned on to make the rotating column drive the top plate and the exhaust body to rotate, so as to realize the circulation of hot air and change the position of the exhaust body, so as to realize blowing to the center of the oven from multiple angles. By blowing at different positions, the fluidity of the hot air can be improved, and the drying effect can be improved, thereby solving the problem that the hot air circulation oven in the prior art is difficult to supply air to the center of the oven from multiple angles when in use, and it is difficult to improve the drying efficiency of the objects in the middle of the oven.

[0009] Preferably, a first trough body is provided on one side of the oven shell, sliding doors are hinged on both sides of the inner wall of the first trough body, a sealing plate is fixedly connected to the upper end of the supporting plate, the upper end of the sealing plate is fixedly connected to the top surface of the inner wall of the first trough body, a threaded column is threadedly installed in the middle part of one side of the sealing plate, one end of the threaded column is fixedly connected to a fixed plate, and the ends of the two sliding doors close to the center of the oven shell are both in contact with the end of the sealing plate away from the center of the oven shell.

[0010] Preferably, a first limiting ring is fixedly connected to the upper end of the bearing plate, the central axis of the first limiting ring and the chassis are colinear, and the inner diameter of the first limiting ring is greater than the outer diameter of the chassis.

[0011] Preferably, two limit plates are fixedly connected to the lower end of the exhaust body, and the ends of the two limit plates close to each other are respectively in contact with the inner wall and the outer wall of the first limit ring.

[0012] Preferably, the output shaft and the rotating column of the motor are both located in the inner space of the supporting plate.

[0013] Preferably, a clamping mechanism is provided at the lower end of the top plate, and the clamping mechanism includes a U-shaped frame, a fixed column, a sleeve block, a U-shaped block, an electric cylinder and an extrusion plate; the U-shaped frame is fixedly connected to the lower end of the top plate, fixed columns are fixedly connected to both sides of the inner wall of the U-shaped frame, sleeve blocks are sleeved on the side walls of the fixed columns, the U-shaped block is fixedly connected to the lower end of the sleeve block, electric cylinders are fixedly connected to both sides of the U-shaped block, and the output shaft of the electric cylinder passes through the U-shaped block and is fixedly connected to the extrusion plate.

[0014] Preferably, the side wall of the fixed column is fixedly connected with uniformly distributed second limiting rings, and the diameter of the second limiting rings is three times the diameter of the fixed column.

[0015] Beneficial effects of the utility model:

[0016] 1. By placing an object on the upper end of the carrier plate and turning on the air heating block to heat the carrier plate, the object can be heated and dried, which will gradually heat up the oven shell, and then the first exhaust fan is turned on to draw air upward, and the gas in the oven shell will be drawn into the exhaust pipe by the first exhaust fan through the exhaust hole, and the second exhaust fan is turned on to assist in exhausting air, and the hot air in the exhaust pipe is blown into the exhaust pipe, and the hot air will be blown onto the object placed on the upper end of the carrier plate through the exhaust body. Turning on the air heating rod can heat the inside of the exhaust body, which can improve the blowing effect on the object, and turning on the motor so that the rotating column drives the top plate and the exhaust body to rotate, which can realize the circulation of hot air and change the position of the exhaust body, so as to realize blowing to the center of the oven shell from multiple angles. By blowing at different positions, the fluidity of the hot air can be improved, and the drying effect can be improved, which solves the problem that it is difficult to supply air to the center of the oven from multiple angles when using the hot air circulation oven in the prior art, and it is difficult to improve the drying efficiency of the object in the middle of the oven;

[0017] 2. By placing the sleeve block on the side wall of the fixed column, and then placing the object between the two extrusion plates, opening two electric cylinders facing each other to make the two extrusion plates close to each other, the object can be quickly clamped and fixed in the air between the two extrusion plates, which is convenient for rapid drying of the object. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 What is shown is a three-dimensional structural schematic diagram of an energy-saving hot air circulation oven of the utility model;

[0019] Figure 2 What is shown is a schematic diagram of a three-dimensional cross-sectional structure of an oven shell of an energy-saving hot air circulation oven of the utility model;

[0020] Figure 3 What is shown is a three-dimensional structural schematic diagram of a chassis of an energy-saving hot air circulation oven of the utility model;

[0021] Figure 4 What is shown is a three-dimensional cross-sectional structural schematic diagram of a circulation mechanism of an energy-saving hot air circulation oven of the utility model;

[0022] Figure 5 What is shown is a three-dimensional structural schematic diagram of a clamping mechanism of an energy-saving hot air circulation oven of the utility model;

[0023] Figure 6 What is shown is a three-dimensional structural schematic diagram of a limiting plate of an energy-saving hot air circulation oven of the utility model;

[0024] Figure 7 What is shown is a three-dimensional structural schematic diagram of an air heating block of an energy-saving hot air circulation oven of the utility model.

[0025] The markings in the attached drawings are: 1. bearing plate; 2. oven shell; 3. first trough body; 4. sliding door; 5. sealing plate; 6. threaded column; 7. fixed plate; 8. chassis; 9. second trough body; 10. first limiting ring; 11. supporting column; 12. bearing plate; 13. ventilation slot; 14. motor; 15. rotating column; 16. top plate; 17. first air collecting hood; 18. first exhaust fan; 19. exhaust hole; 20. second air collecting hood; 21. exhaust duct; 22. second exhaust fan; 23. exhaust duct; 24. exhaust body; 25. air heating rod; 26. third trough body; 27. hair dryer; 28. U-shaped frame; 29. ​​fixed column; 30. sleeve block; 31. U-shaped block; 32. electric cylinder; 33. extrusion plate; 34. second limiting ring; 35. limiting plate; 36. air heating block. DETAILED DESCRIPTION

[0026] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0027] Example 1: Please refer to Figure 1-Figure 4 , Figure 6 and Figure 7 , an energy-saving hot air circulation oven, comprising a carrying plate 1; an oven shell 2 is fixedly connected to the upper end of the carrying plate 1, a bottom plate 8 is fixedly connected to the upper end of the carrying plate 1, and evenly distributed second slots 9 are opened through the upper and lower ends of the bottom plate 8, and evenly distributed third slots 26 are opened on the upper end of the carrying plate 1, and a blower 27 is fixedly connected to the bottom surface of the inner wall of the third slot 26, and a plurality of support columns 11 are fixedly connected to the upper end of the bottom plate 8, and a carrying plate 12 is fixedly connected to the upper ends of the plurality of support columns 11, and ventilation slots 13 are opened through the upper and lower ends of the carrying plate 12, and the top surface of the carrying plate 12 is annular, and a plurality of air heating blocks 36 are fixedly connected to the lower end of the carrying plate 12;

[0028] The bearing plate 1 is provided with a circulation mechanism, which includes a motor 14, a rotating column 15, a top plate 16, a first air collecting hood 17, a first exhaust fan 18, an exhaust hole 19, a second air collecting hood 20, an exhaust pipe 21, a second exhaust fan 22, an exhaust pipe 23, an exhaust body 24 and an air heating rod 25; the upper end of the bearing plate 1 is fixedly connected to the motor 14, the upper end of the output shaft of the motor 14 is fixedly connected to the rotating column 15, the upper end of the rotating column 15 is fixedly connected to the top plate 16, the upper and lower ends of the top plate 16 are penetrated with exhaust holes 19, the upper end of the top plate 16 is fixedly connected to the first air collecting hood 17, the exhaust holes 19 Located at the lower part of the first air collecting hood 17, the upper end of the first air collecting hood 17 is fixedly connected to the air inlet end of the first exhaust fan 18, the upper end of the air outlet end of the first exhaust fan 18 is fixedly connected to the second air collecting hood 20, the upper end of the second air collecting hood 20 is fixedly connected to the exhaust pipe 21, the lower end of the exhaust pipe 21 is fixedly connected to the air inlet end of the second exhaust fan 22, the lower end of the air outlet end of the second exhaust fan 22 is fixedly connected to one end of the exhaust pipe 23, the other end of the exhaust pipe 23 is fixedly connected to an exhaust body 24, the upper end of the exhaust body 24 is fixedly connected to the lower end of the top plate 16, and a plurality of air heating rods 25 are fixedly connected to the upper and lower ends of the inner wall of the exhaust body 24.

[0029] When in use, an object is placed on the upper end of the carrier plate 12, and the air heating block 36 is turned on to heat the carrier plate 12, which can heat and dry the object, making the oven shell 2 gradually hot, and then the first exhaust fan 18 is turned on to draw air upward, and the gas in the oven shell 2 will be drawn into the exhaust pipe 21 by the first exhaust fan 18 through the exhaust hole 19, and the second exhaust fan 22 is turned on to assist in exhaust, and the hot air in the exhaust pipe 21 is blown into the exhaust pipe 23, and the hot air will be blown onto the object placed on the upper end of the carrier plate 12 through the exhaust body 24, and the air heating rod 25 can be turned on to heat the inside of the exhaust body 24, which can improve the blowing effect on the object, and the motor 14 is turned on so that the rotating column 15 drives the top plate 16 and the exhaust body 24 to rotate, which can realize the circulation of hot air and change the position of the exhaust body 24, so as to realize blowing to the center of the oven shell 2 from multiple angles, and by blowing at different positions, the fluidity of the hot air can be improved, and the drying effect can be improved.

[0030] See also Figure 1In the present embodiment, a first slot body 3 is provided on one side of the oven shell 2, and sliding doors 4 are hinged on both sides of the inner wall of the first slot body 3. A sealing plate 5 is fixedly connected to the upper end of the carrying plate 1, and the upper end of the sealing plate 5 is fixedly connected to the top surface of the inner wall of the first slot body 3. A threaded column 6 is threadedly installed in the middle of one side of the sealing plate 5, and a fixing plate 7 is fixedly connected to one end of the threaded column 6. The ends of the two sliding doors 4 close to the center of the oven shell 2 are both in contact with the ends of the sealing plate 5 away from the center of the oven shell 2. When in use, the sliding door 4 can be opened to place objects in the oven shell 2 for drying, and the threaded column 6 is threadedly installed in the middle of one side of the sealing plate 5, so that the fixing plate 7 limits the ends of the two sliding doors 4 away from the center of the oven shell 2, so that the two sliding doors 4 can be stably placed.

[0031] See also Figure 1 and Figure 2 In this embodiment, a first limiting ring 10 is fixedly connected to the upper end of the supporting plate 1. The central axis of the first limiting ring 10 and the chassis 8 are collinear. The inner diameter of the first limiting ring 10 is larger than the outer diameter of the chassis 8. By setting the first limiting ring 10, the protection of the chassis 8 can be improved.

[0032] See also Figure 1-Figure 3 and Figure 6 In this embodiment, two limit plates 35 are fixedly connected to the lower end of the exhaust body 24, and the ends of the two limit plates 35 close to each other are respectively in contact with the inner wall and outer wall of the first limit ring 10. The two limit plates 35 can slide along the inner wall and outer wall of the first limit ring 10, which is beneficial to the stable movement of the exhaust body 24 and the top plate 16.

[0033] See also Figure 1-Figure 4 In this embodiment, the output shaft of the motor 14 and the rotating column 15 are both located in the inner space of the supporting plate 12 .

[0034] Example 2: Please refer to Figure 5 On the basis of Example 1, the present application provides a technical solution: a clamping mechanism is provided at the lower end of the top plate 16, and the clamping mechanism includes a U-shaped frame 28, a fixed column 29, a sleeve block 30, a U-shaped block 31, an electric cylinder 32 and an extrusion plate 33; the U-shaped frame 28 is fixedly connected to the lower end of the top plate 16, and the fixed columns 29 are fixedly connected to the inner wall of the U-shaped frame 28 on both sides, and the side walls of the fixed columns 29 are sleeved with sleeve blocks 30, and the lower end of the sleeve block 30 is fixedly connected to the U-shaped block 31, and the electric cylinder 32 is fixedly connected to both sides of the U-shaped block 31, and the output shaft of the electric cylinder 32 passes through the U-shaped block 31 and is fixedly connected to the extrusion plate 33, and the sleeve block 30 is placed on the side wall of the fixed column 29, and then the object is placed between the two extrusion plates 33, and the two electric cylinders 32 arranged opposite to each other are opened to make the two extrusion plates 33 close to each other, so that the object can be quickly clamped, and the object can be suspended and fixed between the two extrusion plates 33, which is convenient for rapid drying of the object.

[0035] See also Figure 5 In this embodiment, the side wall of the fixed column 29 is fixed with evenly distributed second limiting rings 34 , the diameter of the second limiting rings 34 is three times the diameter of the fixed column 29 , and two adjacent second limiting rings 34 can limit the sleeve block 30 .

[0036] Working principle: First, place the object on the upper end of the carrier plate 12, turn on the air heating block 36 to heat the carrier plate 12, and heat and dry the object, which will gradually heat up the oven shell 2. Then turn on the first exhaust fan 18 to draw air upward, and the gas in the oven shell 2 will be drawn into the exhaust pipe 21 through the exhaust hole 19 by the first exhaust fan 18. Turn on the second exhaust fan 22 to assist in exhausting, and blow the hot air in the exhaust pipe 21 into the exhaust pipe 23. The hot air will be blown onto the object placed on the upper end of the carrier plate 12 through the exhaust body 24.

[0037] Turning on the air heating rod 25 can heat the inside of the exhaust body 24, which can improve the blowing effect on the object. Turning on the motor 14 allows the rotating column 15 to drive the top plate 16 and the exhaust body 24 to rotate, which can realize the circulation of hot air and change the position of the exhaust body 24, so as to achieve blowing from multiple angles to the center of the oven shell 2. By blowing at different positions, the fluidity of the hot air can be improved, and the drying effect can be improved.

[0038] When an object needs to be suspended, the sleeve block 30 is placed on the side wall of the fixed column 29, and then the object is placed between the two extrusion plates 33. The two electric cylinders 32 arranged opposite to each other are turned on to make the two extrusion plates 33 approach each other, so that the object can be quickly clamped and fixed between the two extrusion plates 33, which is convenient for rapid drying of the object.

[0039] During the drying process of objects, the sliding door 4 is closed, and the threaded column 6 is manually threadedly installed in the middle of one side of the sealing plate 5, so that the fixed plate 7 limits the end of the two sliding doors 4 away from the center of the oven shell 2. The two sliding doors 4 can be limited to be stably placed on one side of the sealing plate 5.

[0040] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. An energy-saving hot air circulation oven, comprising a carrying plate (1); characterized in that: The upper end of the carrier plate (1) is fixedly connected to an oven shell (2), the upper end of the carrier plate (1) is fixedly connected to a bottom plate (8), the upper and lower ends of the bottom plate (8) are penetrated by evenly distributed second slots (9), the upper end of the carrier plate (1) is provided with evenly distributed third slots (26), the bottom surface of the inner wall of the third slots (26) is fixedly connected to a blower (27), the upper end of the bottom plate (8) is fixedly connected to a plurality of support columns (11), the upper ends of the plurality of support columns (11) are commonly fixedly connected to a carrier plate (12), the upper and lower ends of the carrier plate (12) are penetrated by ventilation slots (13), the top surface of the carrier plate (12) is annular, and the lower end of the carrier plate (12) is fixedly connected to a plurality of air heating blocks (36); A circulation mechanism is provided on the supporting plate (1), and the circulation mechanism comprises a motor (14), a rotating column (15), a top plate (16), a first air collecting hood (17), a first exhaust fan (18), an exhaust hole (19), a second air collecting hood (20), an exhaust pipe (21), a second exhaust fan (22), an exhaust pipe (23), an exhaust body (24) and an air heating rod (25); the upper end of the supporting plate (1) is fixedly connected to the motor (14), the upper end of the output shaft of the motor (14) is fixedly connected to the rotating column (15), the upper end of the rotating column (15) is fixedly connected to the top plate (16), the upper and lower ends of the top plate (16) are penetrated by exhaust holes (19), the upper end of the top plate (16) is fixedly connected to the first air collecting hood (17), The exhaust hole (19) is located at the lower part of the first air collecting hood (17); the upper end of the first air collecting hood (17) is fixedly connected to the air inlet end of the first exhaust fan (18); the upper end of the air outlet end of the first exhaust fan (18) is fixedly connected to the second air collecting hood (20); the upper end of the second air collecting hood (20) is fixedly connected to the exhaust pipe (21); the lower end of the exhaust pipe (21) is fixedly connected to the air inlet end of the second exhaust fan (22); the lower end of the air outlet end of the second exhaust fan (22) is fixedly connected to one end of the exhaust pipe (23); the other end of the exhaust pipe (23) is fixedly connected to an exhaust body (24); the upper end of the exhaust body (24) is fixedly connected to the lower end of the top plate (16); and a plurality of air heating rods (25) are fixedly connected to the upper and lower ends of the inner wall of the exhaust body (24).

2. The energy-saving hot air circulation oven according to claim 1, characterized in that: A first trough body (3) is provided on one side of the oven shell (2), and sliding doors (4) are hingedly connected to both sides of the inner wall of the first trough body (3). A sealing plate (5) is fixedly connected to the upper end of the carrier plate (1), and the upper end of the sealing plate (5) is fixedly connected to the top surface of the inner wall of the first trough body (3). A threaded column (6) is threadedly installed in the middle of one side of the sealing plate (5), and one end of the threaded column (6) is fixedly connected to a fixing plate (7). One end of the two sliding doors (4) close to the center of the oven shell (2) is in contact with one end of the sealing plate (5) away from the center of the oven shell (2).

3. The energy-saving hot air circulation oven according to claim 1, characterized in that: A first limiting ring (10) is fixedly connected to the upper end of the bearing plate (1), the central axis of the first limiting ring (10) and the chassis (8) are colinear, and the inner diameter of the first limiting ring (10) is greater than the outer diameter of the chassis (8).

4. The energy-saving hot air circulation oven according to claim 1, characterized in that: Two limit plates (35) are fixedly connected to the lower end of the exhaust body (24), and the ends of the two limit plates (35) close to each other are respectively in contact with the inner wall and the outer wall of the first limit ring (10).

5. The energy-saving hot air circulation oven according to claim 1, characterized in that: The output shaft of the motor (14) and the rotating column (15) are both located in the internal space of the carrying plate (12).

6. The energy-saving hot air circulation oven according to claim 1, characterized in that: A clamping mechanism is provided at the lower end of the top plate (16), the clamping mechanism comprising a U-shaped frame (28), a fixing column (29), a sleeve block (30), a U-shaped block (31), an electric cylinder (32) and an extrusion plate (33); the U-shaped frame (28) is fixedly connected to the lower end of the top plate (16), the fixing columns (29) are fixedly connected to both sides of the inner wall of the U-shaped frame (28), the sleeve block (30) is sleeved on the side wall of the fixing column (29), the U-shaped block (31) is fixedly connected to the lower end of the sleeve block (30), the electric cylinder (32) is fixedly connected to both sides of the U-shaped block (31), and the output shaft of the electric cylinder (32) passes through the U-shaped block (31) and is fixedly connected to the extrusion plate (33).

7. The energy-saving hot air circulation oven according to claim 6, characterized in that: The side wall of the fixed column (29) is fixedly connected with evenly distributed second limiting rings (34), and the diameter of the second limiting rings (34) is three times the diameter of the fixed column (29).

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