CN216048798U

CN216048798U - Heated air circulation oven

Info

Publication number: CN216048798U
Application number: CN202122569032.1U
Authority: CN
Inventors: 王彪; 王晖
Original assignee: Biaowang Tianjin Pharmaceutical Co ltd
Current assignee: Biaowang Tianjin Pharmaceutical Co ltd
Priority date: 2021-10-25
Filing date: 2021-10-25
Publication date: 2022-03-15
Anticipated expiration: 2031-10-25

Abstract

The utility model relates to the technical field of ovens, in particular to a hot air circulation oven, which comprises an oven and an oven door rotationally arranged on the oven, wherein a drying vehicle is arranged on the lower part of the inner side of the oven in a rolling manner, a circulating fan is fixedly arranged on the upper part of the outer side of the oven, an air box is fixedly arranged on the upper part of the inner side of the oven, fan blades coaxially fixed with the output end of the circulating fan are rotationally arranged in the air box, a heater is fixedly arranged on the lower part of the air box, an air inlet is fixedly arranged on the lower part of the heater, an air outlet is fixedly arranged on one side of the air box, which is far away from the air inlet, a first air outlet pipe is fixedly arranged on one side in the oven, the upper part of the first air outlet pipe is communicated with the air outlet, and an air guide mechanism is arranged in the lower end of the first air outlet pipe. According to the utility model, through the air guide mechanism, heat flow can uniformly flow through each layer frame of the drying vehicle, so that the drying is more uniform, and the drying effect is better.

Description

Heated air circulation oven

Technical Field

The utility model relates to the technical field of ovens, in particular to a hot air circulation oven.

Background

The hot air circulation oven is a drying device, is suitable for heating, curing, drying and dehydrating materials and products in the industries of pharmacy, chemical industry, food, aquatic products, light industry, heavy industry and the like, such as raw material medicines, crude drugs, traditional Chinese medicine decoction pieces, extractum, powder, granule granules, packaging bottles and the like, has wide application range, low whole machine noise, balanced operation and automatic temperature control, and is one of the necessary drying devices for most medicine enterprises.

In the prior art, as disclosed in chinese patent publication No. CN206496600U, a hot air circulation oven for drying drugs comprises an oven body, the oven body is provided with a drying cart for placing dried products and a circulation air duct around the drying cart, the oven body is provided with a moisture discharge port located on one side of the upper end of the oven body and an air inlet located on the other side, the moisture discharge port and the air inlet are both communicated with the circulation air duct, the side wall of the oven body is provided with a circulation fan for driving hot air in the circulation air duct to blow from the air inlet to the moisture discharge port, the inner wall of the circulation air duct is provided with a drainage baffle for blocking hot air from entering the moisture discharge port, and the drainage baffle is inclined and inclines downwards from the upper end of the circulation air duct to the direction close to the moisture discharge port gradually.

The utility model discloses a can drive the thermal current circulation flow inside the oven through circulating fan, but owing to lack wind-guiding mechanism, make the thermal current can not flow through on every layer frame of drying by the fire truck uniformly, consequently influence the effect of drying.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a hot air circulation oven, which can enable heat flow to uniformly flow through each shelf of an oven car through an air guide mechanism, and has the advantages of more uniform drying and better drying effect.

In order to achieve the purpose, the utility model provides the following technical scheme: a hot air circulation oven comprises an oven and an oven door rotationally arranged on the oven, wherein an oven cart is arranged on the lower portion of the inner side of the oven in a rolling manner, a circulating fan is fixedly arranged on the upper portion of the outer side of the oven, an air box is fixedly arranged on the upper portion of the inner side of the oven, fan blades coaxially fixed with the output end of the circulating fan are rotationally arranged in the air box, a heater is fixedly arranged on the lower portion of the air box, an air inlet is fixedly arranged on the lower portion of the heater, an air outlet is fixedly arranged on one side, away from the air inlet, of the air box, a first air outlet pipe is fixedly arranged on one side of the inner portion of the oven, the upper portion of the first air outlet pipe is communicated with the air outlet, and an air guide mechanism is arranged in the inner portion of the lower end of the first air outlet pipe;

the air guide mechanism comprises two bearings fixedly arranged on one side inside the oven, rotating shafts are fixedly arranged on the axes of the two bearings, gears meshed with each other are fixedly arranged on the two rotating shafts, one side of the lower end of the first air outlet pipe is rotatably provided with a plurality of air guide plates, a connecting rod is rotatably arranged between each air guide plate, a guide frame is fixedly arranged on the connecting rod, a guide column is fixedly arranged on the gear and penetrates into the guide frame, a driving motor is fixedly arranged on one side outside the oven, and the output end of the driving motor is fixedly arranged with one of the rotating shafts.

Preferably, an air inlet mechanism is fixedly arranged on the other side of the outside of the oven; the air inlet mechanism comprises a cyclone separator fixedly arranged on the other side of the outer portion of the oven, the surface, close to the upper portion, of the cyclone separator is communicated with a first air inlet pipe, the first air inlet pipe is tangent to the cyclone separator, a second air outlet pipe is fixedly arranged on the upper portion of the cyclone separator, the second air outlet pipe is communicated with the air inlet, and a water outlet is fixedly formed in the lower portion of the cyclone separator.

Preferably, a second air inlet pipe is fixedly arranged on the other side inside the oven, the upper end of the second air inlet pipe is communicated with the cyclone separator, and the second air inlet pipe and the cyclone separator are in a tangent relation.

Preferably, the heater comprises a flange pipe, the flange pipe is fixedly arranged with the lower part of the air box, the lower part of the flange pipe is fixedly arranged with the air inlet, and an electric heating pipe is fixedly arranged inside the flange pipe.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, by arranging the air guide mechanism, heat flow can uniformly flow through each layer frame of the drying vehicle, so that the drying is more uniform and the drying effect is better.

2. According to the utility model, the air inlet mechanism is arranged, so that gas-liquid separation can be carried out on heat flow and external air flow, and the aim of dehumidification is achieved.

Drawings

FIG. 1 is a front cross-sectional structural schematic view of an oven of the present invention;

FIG. 2 is a schematic cross-sectional view taken along line B-B of FIG. 1;

FIG. 3 is a schematic cross-sectional view taken along line C-C of FIG. 1;

FIG. 4 is a schematic cross-sectional view taken along line D-D of FIG. 1;

fig. 5 is a schematic top view of the flanged pipe of the present invention.

In the figure: 1. an oven; 2. a box door; 3. drying the vehicle; 4. a circulating fan; 5. an air box; 6. a fan blade; 7. a heater; 8. an air inlet; 9. an air outlet; 10. a first air outlet pipe; 11. an air guide mechanism; 12. a bearing; 13. a rotating shaft; 14. a gear; 15. an air deflector; 16. a connecting rod; 17. a guide frame; 18. a guide post; 19. a drive motor; 20. an air inlet mechanism; 21. a cyclone separator; 22. a first air inlet pipe; 23. a second air outlet pipe; 24. a water outlet; 25. a second air inlet pipe; 26. a flange pipe; 27. an electric heating tube.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 5, the present invention provides a technical solution: a hot air circulation oven comprises an oven 1 and a door 2 rotatably arranged on the oven 1, wherein a drying vehicle 3 is arranged on the lower part of the inner side of the oven 1 in a rolling manner, a plurality of shelves are arranged on the drying vehicle 3, and each shelf is used for placing an article to be dried; a circulating fan 4 is fixedly arranged at the upper part of the outer side of the oven 1, an air box 5 is fixedly arranged at the upper part of the inner side of the oven 1, a fan blade 6 coaxially fixed with the output end of the circulating fan 4 is rotatably arranged in the air box 5, a heater 7 is fixedly arranged at the lower part of the air box 5, an air inlet 8 is fixedly arranged at the lower part of the heater 7, an air outlet 9 is fixedly arranged at one side of the air box 5, which is far away from the air inlet 8, a first air outlet pipe 10 is fixedly arranged at one side of the inner part of the oven 1, the upper part of the first air outlet pipe 10 is communicated with the air outlet 9, an air guide mechanism 11 is arranged in the lower end of the first air outlet pipe 10, the circulating fan 4 drives the fan blade 6 to rotate after being opened, airflow enters from the air inlet 8 and then is guided out from the air outlet 9 and the first air outlet pipe 10, the guided out air guide mechanism 11 can uniformly guide the airflow on each shelf of the oven 3, so that the articles can be dried more uniformly, the drying effect is better.

Specifically, the air guiding mechanism 11 includes two bearings 12 fixedly disposed at one side inside the oven 1, the axes of the two bearings 12 are both fixedly provided with a rotating shaft 13, the two rotating shafts 13 are both fixedly provided with gears 14 engaged with each other, one side of the lower end of the first air outlet pipe 10 is rotatably provided with a plurality of air guiding plates 15, a connecting rod 16 is rotatably disposed between each air guiding plate 15, a guide frame 17 is fixedly disposed on the connecting rod 16, a guide post 18 is fixedly disposed on the gear 14, the guide post 18 penetrates into the guide frame 17, one side outside the oven 1 is fixedly provided with a driving motor 19, an output end of the driving motor 19 is fixedly disposed with one of the rotating shafts 13, when the driving motor 19 is started, the rotating shaft 13 connected with the driving motor is driven to rotate, the two gears 14 are driven to rotate in opposite directions or opposite directions, and then the two connecting rods 16 are driven to perform reciprocating vertical linear movement through the interference between the guide post 18 and the guide frame 17, thereby driving the air deflector 15 to swing back and forth to guide the air flow.

An air inlet mechanism 20 is fixedly arranged on the other side of the outer part of the oven 1; the air inlet mechanism 20 comprises a cyclone separator 21 fixedly arranged on the other side of the outside of the oven 1, a first air inlet pipe 22 is communicated with the surface of the cyclone separator 21 close to the upper part, the first air inlet pipe 22 is tangent to the cyclone separator 21, a second air outlet pipe 23 is fixedly arranged on the upper part of the cyclone separator 21, the second air outlet pipe 23 is communicated with the air inlet 8, a water outlet 24 is fixedly arranged on the lower part of the cyclone separator 21, and the first air inlet pipe 22 is communicated with the outside, so that the air flow is guided into the oven 1 after being subjected to gas-liquid separation by the cyclone separator 21.

The other side in oven 1 is fixed with second air-supply line 25, the upper end of second air-supply line 25 communicates with cyclone 21 and second air-supply line 25 and cyclone 21 are tangent, second air-supply line 25 because of communicating with oven 1 inside, this part of airstream is different from airstream in the external environment, it has certain heat temperature itself, can save the necessary electric energy resource while reheating, then after the gas-liquid separation of cyclone 21, lead into oven 1 inside again.

Specifically, the heater 7 comprises a flange pipe 26, the flange pipe 26 is fixedly arranged with the lower part of the air box 5, the lower part of the flange pipe 26 is fixedly arranged with the air inlet 8, and an electric heating pipe 27 is fixedly arranged inside the flange pipe 26.

The working principle is as follows: when the hot air circulation oven is used, airflow guided into the oven 1 comes from two ways: one is a first air inlet pipe 22 communicated with the outside, the other is a second air inlet pipe 25 communicated with the inside of the oven 1, then the air is heated by a heater 7 and driven by a circulating fan 4, the air is guided out from one side of the lower part of the first air outlet pipe 10, and the guided-out air passes through the air deflector 15 which swings in a reciprocating manner at the moment and is uniformly guided to pass through each layer frame of the drying vehicle, so that the articles are dried.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a heated air circulation oven, includes oven (1) and rotates to set up chamber door (2) on oven (1), the inboard lower part of oven (1) rolls and is provided with drying truck (3), its characterized in that: a circulating fan (4) is fixedly arranged at the upper part of the outer side of the oven (1), an air box (5) is fixedly arranged at the upper part of the inner side of the oven (1), fan blades (6) coaxially fixed with the output end of the circulating fan (4) are rotatably arranged in the air box (5), a heater (7) is fixedly arranged at the lower part of the air box (5), an air inlet (8) is fixedly arranged at the lower part of the heater (7), an air outlet (9) is fixedly arranged at one side of the air box (5) departing from the air inlet (8), a first air outlet pipe (10) is fixedly arranged at one side of the inner part of the oven (1), the upper part of the first air outlet pipe (10) is communicated with the air outlet (9), and an air guide mechanism (11) is arranged in the lower end of the first air outlet pipe (10);

the air guide mechanism (11) comprises two bearings (12) fixedly arranged on one side inside the oven (1), rotating shafts (13) are fixedly arranged on the axes of the two bearings (12), gears (14) meshed with each other are fixedly arranged on the two rotating shafts (13), a plurality of air guide plates (15) are rotatably arranged on one side of the lower end of the first air outlet pipe (10), a connecting rod (16) is rotatably arranged between each air guide plate (15) together, a guide frame (17) is fixedly arranged on the connecting rod (16), a guide column (18) is fixedly arranged on the gear (14), the guide column (18) penetrates into the guide frame (17), a driving motor (19) is fixedly arranged on one side outside the oven (1), and the output end of the driving motor (19) is fixedly arranged with one of the rotating shafts (13).

2. A hot air circulating oven according to claim 1, characterized in that: an air inlet mechanism (20) is fixedly arranged on the other side of the outer part of the oven (1); the air inlet mechanism (20) comprises a cyclone separator (21) fixedly arranged on the other side of the outer portion of the oven (1), the surface, close to the upper portion, of the cyclone separator (21) is communicated with a first air inlet pipe (22), the first air inlet pipe (22) is communicated with the cyclone separator (21) in a tangent relation, a second air outlet pipe (23) is fixedly arranged on the upper portion of the cyclone separator (21), the second air outlet pipe (23) is communicated with the air inlet (8), and a water outlet (24) is fixedly arranged on the lower portion of the cyclone separator (21).

3. A hot air circulating oven according to claim 2, characterized in that: a second air inlet pipe (25) is fixedly arranged on the other side of the interior of the oven (1), the upper end of the second air inlet pipe (25) is communicated with the cyclone separator (21), and the second air inlet pipe (25) and the cyclone separator (21) are in a tangent relation.

4. A hot air circulating oven according to claim 1, characterized in that: the heater (7) comprises a flange pipe (26), the flange pipe (26) is fixedly arranged with the lower portion of the air box (5), the lower portion of the flange pipe (26) is fixedly arranged with the air inlet (8), and an electric heating pipe (27) is fixedly arranged inside the flange pipe (26).