Hot air circulating oven capable of internally adjusting air direction

Abstract

The utility model discloses a hot air circulating oven capable of internally adjusting the wind direction, and relates to the technical field of ovens. The drying oven comprises a drying oven shell, an annular air duct is arranged on the inner wall of the drying oven shell, a storage rack is fixedly connected to the interior of the drying oven shell, an air suction opening communicating with the interior of the drying oven shell is formed in the bottom of the annular air duct, and an air supply assembly is installed in the air suction opening; a plurality of air supply outlets communicating with the interior of the drying oven shell are symmetrically formed in the inner side of the annular air duct, and adjusting blades are rotationally connected into the air supply outlets. Through cooperative use of the starting air supply assembly and the electric heater, hot air circulation in the drying oven shell and the annular air duct is conveniently formed, meanwhile, the driving assembly is used for driving an adjusting rack to be engaged with an adjusting gear, and adjusting blades are driven to deflect around a hinge shaft; therefore, the air direction of hot air guided into the drying oven shell through the air supply outlet is controllably adjusted by adjusting the inclination angle of the blades in the air supply outlet.

Description

Technical Field

[0001] The present application relates to the technical field of ovens, and in particular to a hot air circulation oven capable of adjusting the wind direction internally. Background Art

[0002] In modern industry and food production, the demand for drying and curing of materials is increasing, which requires us to have an efficient and stable equipment to meet these challenges. The hot air circulation oven is such a device. Its unique hot air circulation design ensures that the material is evenly heated during the drying process, while improving thermal efficiency and reducing energy waste. Whether it is the pharmaceutical, chemical or food processing industry, the hot air circulation oven has become an indispensable drying equipment with its excellent performance and wide applicability.

[0003] Hot air circulation oven is a widely used drying equipment. Its working principle is to use hot air circulation to heat and dry the materials. The internal structure of the hot air circulation oven includes the oven, heater, fan, exhaust system and other parts. The heater heats the air and then sends it into the oven through the fan to heat and dry the materials.

[0004] Traditional hot air circulation oven design, while pursuing efficiency and convenience, often ignores the importance of hot air fluidity and material drying uniformity. This type of oven usually only has fixed air outlets on the inside of the oven, which greatly restricts the flow of hot air in the oven, resulting in uneven hot air distribution on the material during the drying process, affecting the drying effect of the internal material. Utility Model Content

[0005] The purpose of the present application is to solve the problem that the fixed air outlet greatly restricts the flow of hot air in the oven, resulting in uneven distribution of hot air on the materials during the drying process, affecting the drying effect of the internal materials. The present application provides a hot air circulation oven with internal adjustable wind direction.

[0006] In order to achieve the above-mentioned purpose, this application specifically adopts the following technical solutions:

[0007] A hot air circulation oven with internally adjustable wind direction comprises an oven shell, an inner wall of the oven shell is provided with an annular air duct, and a storage rack is fixedly connected to the interior of the oven shell, an exhaust port connected to the interior of the oven shell is provided at the bottom of the annular air duct, an air supply component is installed inside the exhaust port, a plurality of air supply ports connected to the interior of the oven shell are symmetrically provided on the inner side of the annular air duct, an adjusting blade is rotatably connected to the interior of the air supply port, an electric heater is symmetrically fixedly connected to the interior of the annular air duct, one end of the air supply port passes through the oven shell and is fixedly connected to an adjusting gear, an adjusting slide groove is symmetrically provided on one side of the oven shell, an adjusting rack meshing with the adjusting gear is slidably connected to the interior of the adjusting slide groove, and a driving component for driving the adjusting rack to move along the length direction of the adjusting slide groove is symmetrically installed at one end of the oven shell.

[0008] By adopting the above technical scheme, by setting up the coordinated use of the driving component and the air supply component, the coordinated use of the air supply component and the electric heater is started, which is convenient for forming a hot air circulation inside the oven shell and the annular air duct. At the same time, the driving component is used to drive the adjustment rack to engage with the adjustment gear, and drive the adjustment blade to deflect around the hinge shaft, so that the inclination angle of the adjustment blade inside the air supply port is used to complete the controllable adjustment of the wind direction of the hot air introduced into the oven shell through the air supply port, thereby effectively improving the fluidity of the hot air in the oven shell, making the hot air drying of the material more uniform, and improving the drying effect of the material inside the oven shell.

[0009] Furthermore, the air supply assembly includes an exhaust fan blade rotatably connected to the inside of the exhaust port, an exhaust motor is fixedly connected to the top of the oven shell, and the output end of the exhaust motor is fixedly connected to the exhaust fan blade.

[0010] By adopting the above technical solution, by setting the exhaust fan blades and the exhaust port for coordinated use, starting the exhaust motor can drive the exhaust fan blades to draw the air inside the oven shell into the interior of the annular air duct through the exhaust port, and then introduce the air into the interior of the oven shell through the air supply port, so as to realize air circulation between the oven shell and the annular air duct.

[0011] Furthermore, the driving assembly includes a driving screw rotatably connected to the inside of the adjusting slide groove, a driving motor is fixedly connected to the top of the oven shell, an output end of the driving motor is fixedly connected to the driving screw, a driving thread groove adapted to the driving screw is provided on the top of the adjusting rack, a controller is fixedly connected to one side of the oven shell, and the controller is electrically connected to the driving motor.

[0012] By adopting the above technical solution, through the coordinated use of the driving screw and the driving thread groove, starting the driving motor can drive the driving screw to engage with the driving thread groove and drive the adjusting rack to move along the length direction of the adjusting slide groove.

[0013] Furthermore, a mounting rail is symmetrically arranged on the inner side of the annular air duct, a rectangular mounting frame is slidably connected inside the mounting rail, an activated alumina moisture absorption block is fixedly connected inside the rectangular mounting frame, and a fixing component for fixing the rectangular mounting frame is installed at one end of the oven shell.

[0014] By adopting the above-mentioned technical scheme, by setting the fixing component for use with the rectangular mounting frame and the mounting slide rail, it is convenient to complete the fixed installation of the activated alumina moisture absorption block when the rectangular mounting frame is pushed to drive the activated alumina moisture absorption block to be inserted into the interior of the annular air duct, and the activated alumina moisture absorption block is used to absorb and filter the moisture in the air passing through the interior of the annular air duct to improve the dryness of the air inside the oven shell, thereby improving the drying effect inside the oven shell.

[0015] Furthermore, the fastening assembly comprises a buckle block symmetrically fixedly connected to one end of the rectangular mounting frame, and a pair of buckles adapted to the buckle block are symmetrically fixedly connected to one side of the oven shell.

[0016] By adopting the above technical solution, by setting the matching use of the buckle block and the buckle, it is convenient to buckle and release the buckle with the buckle block, so as to realize the fixing and releasing of the rectangular mounting frame and the oven shell, and effectively improve the practicality of the device.

[0017] Furthermore, a filter screen is fixedly connected to the bottom of the air outlet.

[0018] By adopting the above technical solution and setting a filter net, it is easy to filter and intercept the air passing through the exhaust port, thereby effectively reducing the material debris inside the oven shell from entering the annular air duct and affecting the moisture absorption effect of the activated alumina moisture absorption block, thereby improving the practicability of the device.

[0019] Furthermore, a V-shaped air guide net is fixedly connected to the inner top of the annular air duct, and the V-shaped air guide net is installed directly above the air exhaust port.

[0020] By adopting the above technical solution, by setting up the coordinated use of the air supply component and the V-shaped air guide net, it is convenient to use the V-shaped air guide net to start the exhaust motor to drive the exhaust fan blades to draw the air inside the oven shell into the annular air duct to guide and divert the air, thereby improving the smoothness of air circulation between the oven shell and the annular air duct.

[0021] Furthermore, thermal insulation rock wool is fixedly connected to the inner side of the annular air duct.

[0022] By adopting the above technical solution and arranging the use of thermal insulation rock wool in conjunction with the oven shell, the heat utilization efficiency inside the oven shell is effectively improved.

[0023] In summary, the present application includes at least one of the following beneficial effects:

[0024] 1. By setting up the coordinated use of the driving component and the air supply component, the coordinated use of the air supply component and the electric heater is started, which is convenient for forming hot air circulation inside the oven shell and the annular air duct. At the same time, the driving component is used to drive the adjusting rack to engage with the adjusting gear, and drive the adjusting blade to deflect around the hinge shaft, so that the inclination angle of the adjusting blade inside the air supply port is used to complete the controllable adjustment of the wind direction of the hot air introduced into the oven shell through the air supply port, thereby effectively improving the fluidity of the hot air in the oven shell, making the hot air drying of the material more uniform, and improving the drying effect of the material inside the oven shell.

[0025] 2. By setting the fixing assembly in cooperation with the rectangular mounting frame and the mounting slide rail, it is convenient to complete the fixed installation of the activated alumina moisture absorbing block when the rectangular mounting frame is pushed to drive the activated alumina moisture absorbing block to be inserted into the interior of the annular air duct, and the activated alumina moisture absorbing block is used to absorb and filter the moisture in the air passing through the inside of the annular air duct to improve the dryness of the air inside the oven shell, thereby improving the drying effect inside the oven shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the three-dimensional structure of the device body in this application.

[0027] Figure 2 It is a front cross-sectional view of the device body in this application.

[0028] Figure 3 It is an exploded view of the internal structure of the regulating chute in this application.

[0029] Figure 4 It is an exploded view of the internal structure of the installation rail in this application.

[0030] Description of reference numerals:

[0031] 1. Oven shell; 2. Annular air duct; 3. Storage rack; 4. Exhaust port; 5. Exhaust fan blades; 6. Exhaust motor; 7. Air supply port; 8. Adjusting blades; 9. Electric heater; 10. Adjusting gear; 11. Adjusting slide; 12. Adjusting rack; 13. Driving screw; 14. Driving motor; 15. Driving thread groove; 16. Controller; 17. Mounting rail; 18. Rectangular mounting frame; 19. Activated alumina moisture absorbing block; 20. Buckle block; 21. Buckle; 22. Filter; 23. V-shaped air guide net; 24. Thermal insulation rock wool. DETAILED DESCRIPTION

[0032] The following is combined with Figure 1-4 This application is described in further detail.

[0033] The embodiment of the present application discloses a hot air circulation oven with internally adjustable wind direction.

[0034] Reference Figure 1-Figure 3 , a hot air circulation oven with adjustable wind direction inside, comprising an oven shell 1, an inner wall of the oven shell 1 is provided with an annular air duct 2, and a storage rack 3 is fixedly connected inside the oven shell 1, an exhaust port 4 communicating with the inside of the oven shell 1 is opened at the bottom of the annular air duct 2, an air supply component is installed inside the exhaust port 4, a plurality of air supply ports 7 communicating with the inside of the oven shell 1 are symmetrically opened on the inner side of the annular air duct 2, an adjusting blade 8 is rotatably connected inside the air supply port 7, an electric heater 9 is symmetrically fixedly connected inside the annular air duct 2, one end of the air supply port 7 passes through the oven shell 1 and is fixedly connected with an adjusting gear 10, an adjusting slide slot 11 is symmetrically opened on one side of the oven shell 1, an adjusting rack 12 meshing with the adjusting gear 10 is slidably connected inside the adjusting slide slot 11, and a driving component for driving the adjusting rack 12 to move along the length direction of the adjusting slide slot 11 is symmetrically installed at one end of the oven shell 1;

[0035] The air supply assembly includes an exhaust fan blade 5 rotatably connected to the inside of the exhaust port 4, an exhaust motor 6 is fixedly connected to the top of the oven shell 1, and the output end of the exhaust motor 6 is fixedly connected to the exhaust fan blade 5;

[0036] In addition, the driving assembly includes a driving screw 13 rotatably connected to the inside of the adjusting slide groove 11, a driving motor 14 is fixedly connected to the top of the oven shell 1, the output end of the driving motor 14 is fixedly connected to the driving screw 13, a driving thread groove 15 adapted to the driving screw 13 is provided on the top of the adjusting rack 12, and a controller 16 is fixedly connected to one side of the oven shell 1, and the controller 16 is electrically connected to the driving motor 14.

[0037] When in use, firstly, the exhaust motor 6 is started to drive the exhaust fan blades 5 to rotate, and the exhaust fan blades 5 draw the air inside the oven shell 1 into the annular air duct 2 through the exhaust port 4, and the air flows along the inner wall of the annular air duct 2 and is introduced into the oven shell 1 again through the air supply port 7. At the same time, the electric heater 9 is started to heat the air introduced into the annular air duct 2, so that the air is heated into hot air and then introduced into the oven shell 1 through the air supply port 7 for hot air circulation drying;

[0038] Then, the driving motor 14 is started by controlling the controller 16 to drive the driving screw 13 to form a threaded connection with the driving thread groove 15, and at the same time, the adjusting rack 12 is driven to move along the length direction of the adjusting slide groove 11, so that the adjusting rack 12 is engaged with the adjusting gear 10, and the adjusting gear 10 is driven to drive the adjusting blade 8 to deflect around the hinge axis, so as to adjust the installation angle of the adjusting blade 8 inside the air supply port 7. At the same time, the inclination angle of the adjusting blade 8 inside the air supply port 7 is used to complete the controllable adjustment of the wind direction of the hot air introduced into the oven shell 1 through the air supply port 7, thereby effectively improving the fluidity of the hot air in the oven shell 1, making the hot air drying of the material more uniform, and improving the drying effect of the material inside the oven shell 1.

[0039] Reference Figure 1 and Figure 2 , Figure 4 A mounting rail 17 is symmetrically arranged on the inner side of the annular air duct 2, a rectangular mounting frame 18 is slidably connected to the inside of the mounting rail 17, an activated alumina moisture absorbing block 19 is fixedly connected to the inside of the rectangular mounting frame 18, and a clamping assembly for fixing the rectangular mounting frame 18 is installed at one end of the oven shell 1;

[0040] The fastening assembly includes a buckle block 20 symmetrically fixedly connected to one end of the rectangular mounting frame 18 , and a pair of buckles 21 adapted to the buckle block 20 are symmetrically fixedly connected to one side of the oven shell 1 .

[0041] When in use, the rectangular mounting frame 18 is pushed to be inserted into the interior of the mounting slide rail 17, and then the buckle 21 is manually pulled to buckle the buckle block 20, so that a fixed connection is formed between the rectangular mounting frame 18 and the oven shell 1, and the rectangular mounting frame 18 drives the activated alumina moisture absorbing block 19 to be fixedly installed inside the annular air duct 2, so that the air drawn into the annular air duct 2 through the exhaust port 4 passes through the activated alumina moisture absorbing block 19, and the activated alumina moisture absorbing block 19 absorbs and filters the moisture in the air, so as to improve the dryness of the air inside the oven shell 1;

[0042] Then, the buckle 21 is manually pulled to release the buckle of the buckle block 20, and the rectangular mounting frame 18 is pulled to drive the activated alumina moisture absorption block 19 to be separated from the interior of the annular air duct 2 along the length direction of the mounting slide rail 17, thereby facilitating the replacement of the activated alumina moisture absorption block 19 and effectively improving the practicability of the device.

[0043] Reference Figure 1 and Figure 2 A filter screen 22 is fixedly connected to the bottom of the air outlet 4.

[0044] During use, when the exhaust motor 6 is started to drive the exhaust fan blades 5 to draw the air inside the oven shell 1 into the annular air duct 2, the material debris carried in the air is intercepted and filtered by the filter net 22, thereby effectively reducing the situation where material debris passes through the exhaust port 4 and enters the interior of the oven shell 1, thereby improving the practicality of the device.

[0045] Reference Figure 1 and Figure 2 A V-shaped air guide net 23 is fixedly connected to the inner top of the annular air duct 2, and the V-shaped air guide net 23 is installed directly above the air outlet 4.

[0046] When in use, by starting the exhaust motor 6 to drive the exhaust fan blades 5 to draw the air inside the oven shell 1 into the annular air duct 2, the air passes through the exhaust port 4 and collides with the V-shaped air guide net 23, and is guided along the two inclined surfaces of the V-shaped air guide net 23 to the interior of the two activated alumina moisture absorption blocks 19, thereby effectively improving the smoothness of the air flow between the oven shell 1 and the annular air duct 2.

[0047] Reference Figure 1 and Figure 2 The inner side of the annular air duct 2 is fixedly connected with thermal insulation rock wool 24 .

[0048] When in use, the heat exchange between the oven shell 1 and the outside is effectively reduced by providing the heat-insulating rock wool 24 , thereby improving the heat-insulating effect inside the oven shell 1 and improving the heat utilization efficiency inside the oven shell 1 .

[0049] The implementation principle of the hot air circulation oven with internally adjustable wind direction in this embodiment is as follows: first, the rectangular mounting frame 18 is pushed to be inserted into the interior of the mounting slide rail 17, and then the buckle block 20 is buckled by manually pulling the buckle 21, so that a fixed connection is formed between the rectangular mounting frame 18 and the oven shell 1, and the rectangular mounting frame 18 drives the activated alumina moisture absorption block 19 to be fixedly installed in the annular air duct 2, and then the exhaust motor 6 is started to drive the exhaust fan blade 5 to rotate, and the exhaust fan blade 5 draws the air inside the oven shell 1 into the annular air duct 2 through the exhaust port 4, and the air flows along the inner wall of the annular air duct 2 and is introduced into the oven shell 1 again through the air supply port 7, and at the same time, the air introduced into the annular air duct 2 is heated by starting the electric heater 9, so that the air is heated into hot air and then introduced into the oven shell 1 through the air supply port 7 for hot air circulation drying, and at the same time, the air drawn into the annular air duct 2 through the exhaust port 4 passes through the activated alumina moisture absorption block 19, and the activated alumina moisture absorption block 19 absorbs and filters the moisture in the air;

[0050] Then, the driving motor 14 is started by controlling the controller 16 to drive the driving screw 13 to form a threaded connection with the driving thread groove 15, and at the same time, the adjusting rack 12 is driven to move along the length direction of the adjusting slide groove 11, so that the adjusting rack 12 is engaged with the adjusting gear 10, and the adjusting gear 10 is driven to drive the adjusting blade 8 to deflect around the hinge axis, so as to adjust the installation angle of the adjusting blade 8 inside the air supply port 7, and at the same time, the inclination angle of the adjusting blade 8 inside the air supply port 7 is used to complete the controllable adjustment of the wind direction of the hot air introduced into the oven shell 1 through the air supply port 7, and then the buckle 21 is manually pulled to release the buckle of the buckle block 20, and the rectangular mounting frame 18 is pulled to drive the activated alumina moisture absorption block 19 to separate from the inside of the annular air duct 2 along the length direction of the mounting slide rail 17, so as to facilitate the replacement of the activated alumina moisture absorption block 19.

Claims

1. A hot air circulation oven with adjustable wind direction internally, comprising an oven shell (1), characterized in that: The inner wall of the oven shell (1) is provided with an annular air duct (2), and a storage rack (3) is fixedly connected to the interior of the oven shell (1). An air exhaust port (4) communicating with the interior of the oven shell (1) is provided at the bottom of the annular air duct (2), and an air supply component is installed inside the air exhaust port (4). A plurality of air supply ports (7) communicating with the interior of the oven shell (1) are symmetrically provided on the inner side of the annular air duct (2), and an adjusting blade (8) is rotatably connected to the interior of the air supply port (7). The annular air duct ( 2) is symmetrically and fixedly connected to an electric heater (9), one end of the air outlet (7) passes through the oven shell (1) and is fixedly connected to an adjusting gear (10), one side of the oven shell (1) is symmetrically provided with an adjusting slot (11), the inside of the adjusting slot (11) is slidably connected to an adjusting rack (12) meshing with the adjusting gear (10), and one end of the oven shell (1) is symmetrically mounted with a driving component for driving the adjusting rack (12) to move along the length direction of the adjusting slot (11).

2. A hot air circulation oven with adjustable wind direction internally according to claim 1, characterized in that: The air supply assembly comprises an exhaust fan blade (5) rotatably connected to the inside of the exhaust port (4); an exhaust motor (6) is fixedly connected to the top of the oven shell (1); and an output end of the exhaust motor (6) is fixedly connected to the exhaust fan blade (5).

3. A hot air circulation oven with adjustable wind direction according to claim 1, characterized in that: The driving assembly comprises a driving screw (13) rotatably connected to the inside of the adjusting slide groove (11); a driving motor (14) is fixedly connected to the top of the oven shell (1); an output end of the driving motor (14) is fixedly connected to the driving screw (13); a driving thread groove (15) adapted to the driving screw (13) is formed on the top of the adjusting rack (12); a controller (16) is fixedly connected to one side of the oven shell (1); and the controller (16) is electrically connected to the driving motor (14).

4. A hot air circulation oven with internally adjustable wind direction according to claim 1, characterized in that: A mounting slide rail (17) is symmetrically arranged on the inner side of the annular air duct (2); a rectangular mounting frame (18) is slidably connected to the inside of the mounting slide rail (17); an activated alumina moisture absorbing block (19) is fixedly connected to the inside of the rectangular mounting frame (18); and a fixing component for fixing the rectangular mounting frame (18) is installed at one end of the oven shell (1).

5. A hot air circulation oven with internally adjustable wind direction according to claim 4, characterized in that: The fastening assembly comprises a buckle block (20) symmetrically fixedly connected to one end of a rectangular mounting frame (18), and a pair of buckles (21) adapted to the buckle block (20) are symmetrically fixedly connected to one side of the oven shell (1).

6. The hot air circulation oven with adjustable wind direction according to claim 1, characterized in that: A filter screen (22) is fixedly connected to the bottom of the air outlet (4).

7. The hot air circulation oven with adjustable wind direction according to claim 1, characterized in that: A V-shaped air guide net (23) is fixedly connected to the inner top of the annular air duct (2), and the V-shaped air guide net (23) is installed directly above the air outlet (4).

8. The hot air circulation oven with adjustable wind direction according to claim 1, characterized in that: Thermal insulation rock wool (24) is fixedly connected to the inner side of the annular air duct (2).

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