CN218676808U

CN218676808U - Baking oven

Info

Publication number: CN218676808U
Application number: CN202223106249.XU
Authority: CN
Inventors: 杨立新; 彭建军
Original assignee: Zhongshan Xinyichang Automation Equipment Co ltd
Current assignee: Zhongshan Xinyichang Automation Equipment Co ltd
Priority date: 2022-11-22
Filing date: 2022-11-22
Publication date: 2023-03-21
Anticipated expiration: 2032-11-22

Abstract

The application provides an oven, includes: the box body is provided with an aging cavity, a first circulating cavity arranged at an interval with the aging cavity and a second circulating cavity arranged at an interval with the aging cavity, and the first circulating cavity and the second circulating cavity are distributed around the circumference of the aging cavity; the first heating mechanism comprises a first air channel, a first fan and a first heating assembly, the first air channel is arranged on one side, far away from the ageing cavity, of the first circulation cavity, the first fan is used for driving air in the first circulation cavity to circularly flow through the first air channel, the first heating assembly is arranged in the first air channel, and the first fan is arranged on the first air channel; and the second heating mechanism comprises a second air channel, a second fan and a second heating assembly, the second air channel is arranged on one side, far away from the ageing cavity, of the second circulating cavity, the second fan is used for driving air in the second circulating cavity to circularly flow through the second air channel, the second heating assembly is arranged in the second air channel, and the second fan is arranged on the second air channel. The application provides an oven can improve heating efficiency to make the programming rate of ageing chamber faster.

Description

Baking oven

Technical Field

The application belongs to the technical field of electronic element processing, and more specifically relates to an oven.

Background

In the production process of the capacitor, an oven is needed for aging the capacitor. Be provided with heat cycle system in the current oven, heat cycle system is including the heater strip that is used for heating air and four fans that are used for driving about the circulation of air, and heater strip and fan are installed in the back or the bottom of oven, and the fan starts the back and passes through the heater strip with air transport, utilizes the heater strip to heat air, then heats the ageing room by the air that is heated to age the condenser. The heat circulation system has poor air flowing directionality, heated air cannot fully exchange heat with the aging chamber, so that the power consumption is too high, the temperature rise time is long, and the aging speed of a product is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the application is to provide an oven to solve the oven that exists among the prior art in the directionality that heat cycle system air flows relatively poor, the unable abundant and ageing room heat transfer of air after the heating leads to the power consumption too high, and the intensification time is long, influences the technical problem of the ageing speed of product.

In order to achieve the purpose, the technical scheme adopted by the application is as follows: there is provided an oven comprising:

the box body is provided with an aging cavity, a first circulating cavity arranged at an interval with the aging cavity and a second circulating cavity arranged at an interval with the aging cavity, and the first circulating cavity and the second circulating cavity are distributed around the circumference of the aging cavity;

the first heating mechanism comprises a first air channel, a first fan and a first heating assembly, the first air channel is arranged on one side, far away from the aging cavity, of the first circulation cavity, the first fan is used for driving air in the first circulation cavity to circularly flow through the first air channel, the first heating assembly is arranged in the first air channel, and the first fan is arranged on the first air channel; and the number of the first and second groups,

the second heating mechanism comprises a second air channel, a second fan and a second heating assembly, the second air channel is arranged on one side, far away from the ageing cavity, of the second circulation cavity, the second fan is used for driving air in the second circulation cavity to circularly flow through the second air channel, the second heating assembly is arranged in the second air channel, and the second fan is arranged on the second air channel.

The first air channel and the second air channel are adopted, so that the air in the first circulating cavity and the air in the second circulating cavity can be controlled to circularly flow, the air flowing through the first air channel can be heated by the first heating assembly, and the air flowing through the second air channel can be heated by the second heating assembly; because first heating element installs in first wind channel, second heating element installs in the second wind channel, can make the air circulation in the first circulation intracavity fully contact with first heating element when flowing through first wind channel like this, the flow direction of the interior air of first circulation chamber and second circulation chamber of accurate control, in order to improve the air heating efficiency in the first circulation intracavity, the air circulation in the second circulation intracavity fully contacts with second heating element when flowing through the second wind channel, in order to improve the air heating efficiency in the second circulation intracavity, thereby make the programming rate of temperature in ageing chamber faster. In addition, the first circulation cavity and the second circulation cavity are distributed around the circumference of the aging cavity, so that the heating uniformity and the heating speed of the aging cavity can be improved.

In one embodiment, the first circulation cavity is arranged along the length direction of the aging cavity, and the first circulation cavity is positioned at the upper side of the aging cavity; the second circulates the chamber including being located the heating chamber of ageing chamber downside and being located the intercommunication chamber of the one end in ageing chamber, the heating chamber is followed the length direction in ageing chamber sets up, the lower extreme in intercommunication chamber with the heating chamber is linked together, the upper end in intercommunication chamber extends to the one end in first circulation chamber.

By adopting the technical means, the top and the bottom of the aging cavity can be heated.

In one embodiment, the first air duct includes a first air inlet section, a first heating section communicated with an air outlet end of the first air inlet section, and a first flaring section communicated with an air outlet end of the first heating section, the air inlet end of the first air inlet section and the air outlet end of the first flaring section are respectively located at two ends of the first circulation cavity, the first fan is connected with the air inlet end of the first air inlet section, and the first heating assembly is installed in the first heating section.

Through adopting above-mentioned technical means, can accurate control the circulation flow direction of first circulation intracavity air, improve first circulation intracavity air heating efficiency.

In one embodiment, the width of the first heating section is greater than that of the first air inlet section, and the width of the air inlet end of the first flaring section is greater than or equal to that of the first heating section;

the width of the first flaring section is gradually increased along the direction from the air inlet end of the first flaring section to the air outlet end of the first flaring section.

By adopting the technical means, the noise can be reduced, and the heating efficiency can be improved.

In one embodiment, the first air duct further includes a first air outlet section communicated with the air outlet end of the first flared section, an outlet of the first air outlet section is located at a lower side of the first flared section, and an outlet of the first air outlet section is arranged toward a direction close to the first air inlet section.

Through adopting above-mentioned technical means, be favorable to the inner wall at ageing chamber top that the air circulation flows through in the first circulation chamber.

In one embodiment, the second air duct includes a second air inlet section, a second heating section communicated with the air outlet end of the second air inlet section, and a second flaring section communicated with the air outlet end of the second heating section, the air inlet end of the second air inlet section is located at the upper end of the communicating cavity, the air outlet end of the second flaring section is located in the middle of the heating section, the second fan is connected with the air inlet end of the second air inlet section, and the second heating assembly is installed in the second heating section.

By adopting the technical means, the circulation flow direction of the air in the second circulation cavity can be accurately controlled, and the air heating efficiency in the second circulation cavity is improved.

In one embodiment, the width of the second heating section is greater than that of the second air inlet section, and the width of the air inlet end of the second flaring section is greater than or equal to that of the second heating section;

the width of the second flaring section is gradually increased along the direction from the air inlet end of the second flaring section to the air outlet end of the second flaring section.

In one embodiment, the second air duct further includes a second air outlet section communicated with the air outlet end of the second flared section, an outlet of the second air outlet section is located on the upper side of the second flared section, and the outlet of the second air outlet section is arranged toward the direction close to the communication cavity.

By adopting the technical means, the air in the second circulation cavity can flow through the inner wall of the bottom of the aging cavity in a circulating manner.

In one embodiment, the box body is further provided with a heat dissipation cavity arranged at an interval with the aging cavity, and the heat dissipation cavity is located on one side of the aging cavity, which is far away from the communication cavity.

By adopting the technical means, the aging cavity is controlled to cool.

In one embodiment, the first and second heating assemblies are heated wheels.

By adopting the technical means, the volume can be reduced, the heating efficiency is improved, and the energy consumption is reduced.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic perspective view of an oven provided in an embodiment of the present application;

FIG. 2 is a schematic view of the internal structure of the oven of FIG. 1;

FIG. 3 is a front view of the toaster structure of FIG. 2;

fig. 4 is a schematic perspective view of the heating wheel disc of fig. 2.

Wherein, in the figures, the respective reference numerals:

10-a box body; 101-an aging chamber; 102-a first circulation chamber; 103-a second circulation chamber; 1031-heating chamber; 1032-communication chamber; 104-a heat dissipation cavity;

20-a first heating mechanism; 21-a first air duct; 211-a first air intake section; 2111-first transition zone; 212-first heating section; 213-a first flared section; 214-a first air outlet section; 22-a first fan; 23-a first heating assembly; 231-a first support disc; 232-a second support disk; 233-heating tube;

30-a second heating mechanism; 31-a second air duct; 311-a second air inlet section; 3111-a second transition zone; 312-a second heating section; 313-a second flared section; 314-a second air outlet section; 32-a second fan; 33-a second heating assembly;

40-heat dissipation mechanism.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to 3 together, an oven provided in an embodiment of the present application will now be described. The oven comprises an oven body 10, a first heating mechanism 20 and a second heating mechanism 30, wherein the oven body 10 is provided with an aging cavity 101, a first circulation cavity 102 and a second circulation cavity 103, and the aging cavity 101 is used for accommodating electronic components so as to age the electronic components; the first circulation cavity 102 and the aging cavity 101 are arranged at intervals, the second circulation cavity 103 and the aging cavity 101 are arranged at intervals, and the first circulation cavity 102 and the second circulation cavity 103 are distributed around the circumference of the aging cavity 101; the first heating mechanism 20 comprises a first air duct 21, a first fan 22 and a first heating assembly 23, the first air duct 21 is installed on one side of the first circulation chamber 102 far away from the aging chamber 101, the first fan 22 is used for driving air in the first circulation chamber 102 to circularly flow through the first air duct 21, the first fan 22 is installed on the first air duct 21, the first heating assembly 23 is used for heating the air flowing through the first air duct 21, and the first heating assembly 23 is installed in the first air duct 21; the second heating mechanism 30 includes a second air duct 31, a second fan 32 and a second heating element 33, the second air duct 31 is installed on one side of the second circulation chamber 103 far from the aging chamber 101, the second fan 32 is used for driving air in the second circulation chamber 103 to circularly flow through the second air duct 31, the second fan 32 is installed on the second air duct 31, the second heating element 33 is used for heating air flowing through the second air duct 31, and the second heating element 33 is installed in the second air duct 31. By adopting the first air duct 21 and the second air duct 31, the air circulation flow in the first circulation chamber 102 and the second circulation chamber 103 can be controlled, the air flowing through the first air duct 21 can be heated by the first heating assembly 23, and the air flowing through the second air duct 31 can be heated by the second heating assembly 33; because the first heating component 23 is installed in the first air duct 21, and the second heating component 33 is installed in the second air duct 31, the air in the first circulation chamber 102 can be fully contacted with the first heating component 23 when circularly flowing through the first air duct 21, the flow directions of the air in the first circulation chamber 102 and the air in the second circulation chamber 103 can be accurately controlled, so that the air heating efficiency in the first circulation chamber 102 can be improved, the air in the second circulation chamber 103 can be fully contacted with the second heating component 33 when circularly flowing through the second air duct 31, so that the air heating efficiency in the second circulation chamber 103 can be improved, and the temperature rising speed of the aging chamber 101 can be faster. In addition, the first circulation cavity 102 and the second circulation cavity 103 are arranged around the circumference of the aging cavity 101, so that the uniformity of heating of the aging cavity 101 and the temperature rise speed can be improved.

In an embodiment of the present application, referring to fig. 1 to 3, the first circulation chamber 102 is disposed along the length direction X of the aging chamber 101, and the first circulation chamber 102 is located at the upper side of the aging chamber 101; the second circulation chamber 103 comprises a heating chamber 1031 and a communication chamber 1032, the heating chamber 1031 is located at the lower side of the aging chamber 101, the communication chamber 1032 is located at one end of the aging chamber 101, the heating chamber 1031 is arranged along the length direction X of the aging chamber 101, the lower end of the communication chamber 1032 is communicated with the heating chamber 1031, and the upper end of the communication chamber 1032 extends to one end of the first circulation chamber 102. The heating of the top, the bottom and the side of the aging chamber 101 can be realized, the heating area is increased, the uniformity of the temperature in the aging chamber 101 is facilitated, the heat dissipation of the aging chamber 101 can be reduced, and the heating efficiency is improved. Optionally, the air outlet end of the second air duct 31 is located in the middle of the heating cavity 1031, and the air inlet end of the second air duct 31 is located at the top end of the communicating cavity 1032, so that the top and the bottom of the aging cavity 101 can be heated faster, and the heat of the aging cavity 101 is prevented from being dissipated outwards from the side close to the communicating cavity 1032 by the returned air. The communication chamber 1032 has a longitudinal direction along the height direction Z of the aging chamber 101.

In an embodiment of the present application, referring to fig. 1 to 3, the first air duct 21 includes a first air inlet section 211, a first heating section 212 and a first opening expanding section 213, an air inlet end of the first heating section 212 is communicated with an air outlet end of the first air inlet section 211, an air inlet end of the first opening expanding section 213 is communicated with an air outlet end of the first heating section 212, an air inlet end of the first air inlet section 211 and an air outlet end of the first opening expanding section 213 are respectively located at two ends of the first circulation cavity 102, the first fan 22 is connected to the air inlet end of the first air inlet section 211, and the first heating element 23 is installed in the first heating section 212. Thus, when the first fan 22 drives the air outside the first air duct 21 to flow through the first heating section 212, the first heating assembly 23 can heat the air, and after the heated air flows out of the first flared section 213, the heated air can flow along the length direction of the first circulation cavity 102, so that the heated air is in sufficient contact with and exchanges heat with the top of the aging cavity 101, and the top of the aging cavity 101 is sufficiently heated. Optionally, the first fan 22 is positioned at one end of the first circulation chamber 102 close to the communication chamber 1032, so that heat loss at one end of the aging chamber 101 far from the communication chamber 1032 can be compensated.

In an embodiment of the present application, referring to fig. 1 to 3, a width of the first heating section 212 is greater than a width of the first air intake section 211, and a width of the air intake end of the first flared section 213 is greater than or equal to the width of the first heating section 212; the width of the first flared section 213 gradually increases along the direction from the air inlet end of the first flared section 213 to the air outlet end of the first flared section 213. Make air current width expand gradually in first wind channel 21 like this, can ensure circulation efficiency on the one hand for the air in whole first circulation chamber 102 can abundant circulation, and on the other hand can make air and first heating element 23 abundant contact, reduces first heating element 23's volume, improves the heating efficiency of air. Optionally, the first air inlet section 211, the first heating section 212 and the first flared section 213 are sequentially connected along the length direction of the first circulation cavity 102, the thicknesses of the first air inlet section 211, the first heating section 212 and the first flared section 213 are substantially the same, and the width of the air inlet end of the first flared section 213 is substantially the same as the width of the air outlet end of the first heating section 212, so that the wind noise reduction is facilitated, and the processing and the assembly are facilitated. The width direction of the first air intake section 211, the width direction of the first heating section 212, and the width direction of the first flared section 213 are the depth direction Y of the aging chamber 101.

Optionally, a first transition region 2111 is disposed at the air outlet end of the first air inlet section 211, the first transition region 2111 is communicated with the first heating section 212, the width of the first transition region 2111 gradually increases toward the direction close to the air inlet end of the first heating section 212, and the width of the air outlet end of the first transition region 2111 is substantially the same as the width of the air inlet end of the first heating section 212. In this way, it is advantageous to reduce noise, to allow the hot air to be sufficiently in contact with the outer wall of the top of the aging chamber 101, and to facilitate processing and assembly.

In an embodiment of the present application, referring to fig. 1 to fig. 3, the first air duct 21 further includes a first air outlet section 214, the first air outlet section 214 is communicated with an air outlet end of the first flared section 213, an outlet of the first air outlet section 214 is located at a lower side of the first flared section 213, and an outlet of the first air outlet section 214 is disposed toward a direction close to the first air inlet section 211. By adopting the first air outlet section 214, the air flow direction at the outlet of the first air duct 21 is reversed to flow towards the inlet of the first air duct 21, which is beneficial to the circulation of air in the first circulation cavity 102.

In an embodiment of the present application, referring to fig. 1 to 3, the second air duct 31 includes a second air inlet section 311, a second heating section 312 and a second opening expanding section 313, an air inlet end of the second heating section 312 is communicated with an air outlet end of the second air inlet section 311, an air inlet end of the second opening expanding section 313 is communicated with an air outlet end of the second heating section 312, an air inlet end of the second air inlet section 311 is located at an upper end of the communicating chamber 1032, an air outlet end of the second opening expanding section 313 is located at a middle portion of the heating chamber 1031, the second fan 32 is connected with an air inlet end of the second air inlet section 311, and the second heating element 33 is installed in the second heating section 312. When the second fan 32 drives the air outside the second air duct 31 to flow through the second heating section 312, the second heating assembly 33 can heat the air, and after the heated air flows out of the second flared section 313, the heated air can flow along the second circulation cavity 103, so that the heated air is in sufficient contact with and exchanges heat with the side and the bottom of the aging cavity 101, and the side and the bottom of the aging cavity 101 are sufficiently heated. Of course, the air outlet end of the second flared section 313 may also be located at an end of the heating chamber 1031 far away from the communication chamber 1032 to heat the bottom of the aging chamber 101.

In an embodiment of the present application, referring to fig. 1 to 3, the width of the second heating section 312 is greater than the width of the second air intake section 311, and the width of the air intake end of the second flared section 313 is greater than or equal to the width of the second heating section 312; the width of the second flared section 313 gradually increases along the direction from the air inlet end of the second flared section 313 to the air outlet end of the second flared section 313. Make the air current width expand gradually in second wind channel 31 like this, can ensure circulation efficiency on the one hand for the air in whole second circulation chamber 103 can the abundant circulation, and on the other hand can make air and second heating element 33 fully contact, reduces second heating element 33's volume, improves the heating efficiency of air. Optionally, the second air intake section 311 and the second heating section 312 are located in the communication chamber 1032, and the second flared section 313 is located in the heating chamber 1031; the second air inlet section 311, the second heating section 312 and the second flaring section 313 are sequentially connected along the side length of the first circulation cavity 102, the thicknesses of the first air inlet section 211, the first heating section 212 and the first flaring section 213 are approximately the same, and the width of the air inlet end of the second flaring section 313 is approximately the same as the width of the air outlet end of the second heating section 312, so that the wind noise is favorably reduced, and the processing and the assembly are facilitated. The width direction of the second air intake section 311, the width direction of the second heating section 312 and the width direction of the second flared section 313 are the depth direction Y of the aging chamber 101.

Optionally, the air outlet end of the second air inlet section 311 is provided with a second transition region 3111, the second transition region 3111 is communicated with the second heating section 312, the width of the second transition region 3111 gradually expands towards a direction close to the second heating section 312, and the width of the air outlet end of the second transition region 3111 is substantially the same as the width of the air inlet end of the second heating section 312. In this way, it is advantageous to reduce noise, to make the hot air sufficiently contact with the outer wall of the bottom of the aging chamber 101, and to facilitate processing and assembly.

In an embodiment of the present application, referring to fig. 1 to fig. 3, the second air duct 31 further includes a second air outlet section 314, the second air outlet section 314 is communicated with an air outlet end of the second flared section 313, an outlet of the second air outlet section 314 is located on an upper side of the second flared section 313, and an outlet of the second air outlet section 314 faces a direction close to the communication cavity 1032. By adopting the second air outlet section 314, the air flow direction at the outlet of the second air duct 31 is reversed to the flow towards the communication cavity 1032, which is beneficial to the circulation of the air in the second circulation cavity 103.

In an embodiment of the present application, referring to fig. 1 to fig. 3, a heat dissipation chamber 104 is further disposed in the box 10 and spaced from the aging chamber 101, and the heat dissipation chamber 104 is located on a side of the aging chamber 101 away from the communication chamber 1032. Therefore, the heat dissipation efficiency of the aging chamber 101 can be improved by using the heat dissipation chamber 104, so that when the temperature needs to be reduced, the aging chamber 101 can be rapidly cooled.

Optionally, a heat dissipation mechanism 40 is installed on the box 10, and the heat dissipation mechanism 40 is communicated with the heat dissipation chamber 104 so as to transfer heat of the heat dissipation chamber 104 to the outside.

Optionally, the bottom of the aging chamber 101 is provided with a pad plate, the pad plate is used for supporting the capacitor, and the pad plate is provided with a plurality of openings, so that the capacitor is convenient to age.

In one embodiment of the present application, referring to fig. 2-4, the first heating element 23 and the second heating element 33 are heating wheels. The heating wheel disc is adopted, so that the occupied space is small, the heating efficiency is high, the energy consumption is reduced, and the heating efficiency is improved.

Optionally, the heating wheel disc includes a first supporting disc 231, a second supporting disc 232 and a plurality of heating tubes 233, two ends of the plurality of heating tubes 233 are respectively connected to the first supporting disc 231 and the second supporting disc 232, and the first supporting disc 231 and the second supporting disc 232 are connected to the first heating section 212. The plurality of heat generating pipes 233 thus increase the amount of heat generated, and thus, air can be sufficiently heated when passing through. Compared with a heating wire, the heating tube 233 has a larger surface area, which is beneficial to improving the heating efficiency of air.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. An oven, comprising:

the aging device comprises a box body (10) and a control device, wherein the box body is provided with an aging cavity (101), a first circulation cavity (102) arranged at a distance from the aging cavity (101) and a second circulation cavity (103) arranged at a distance from the aging cavity (101), and the first circulation cavity (102) and the second circulation cavity (103) are distributed around the circumference of the aging cavity (101);

the first heating mechanism (20) comprises a first air duct (21) arranged on one side of the first circulation cavity (102) far away from the aging cavity (101), a first fan (22) used for driving air in the first circulation cavity (102) to circularly flow through the first air duct (21), and a first heating assembly (23) arranged in the first air duct (21), wherein the first fan (22) is arranged on the first air duct (21); and the number of the first and second groups,

and the second heating mechanism (30) comprises a second air duct (31) arranged on one side of the second circulation cavity (103) far away from the aging cavity (101), a second fan (32) used for driving air in the second circulation cavity (103) to circularly flow through the second air duct (31), and a second heating assembly (33) arranged in the second air duct (31), wherein the second fan (32) is arranged on the second air duct (31).

2. The oven of claim 1, wherein: the first circulation cavity (102) is arranged along the length direction of the aging cavity (101), and the first circulation cavity (102) is positioned on the upper side of the aging cavity (101); the second circulation chamber (103) comprises a heating chamber (1031) positioned on the lower side of the aging chamber (101) and a communication chamber (1032) positioned at one end of the aging chamber (101), the heating chamber (1031) is arranged along the length direction of the aging chamber (101), the lower end of the communication chamber (1032) is communicated with the heating chamber (1031), and the upper end of the communication chamber (1032) extends to one end of the first circulation chamber (102).

3. The oven of claim 2, wherein: first wind channel (21) include first air inlet section (211), with first heating section (212) that the air-out end of first air inlet section (211) communicates and with first flaring section (213) that the air-out end of first heating section (212) communicates, the air inlet end of first air inlet section (211) with the air-out end of first flaring section (213) is located respectively the both ends of first circulation chamber (102), first fan (22) with the air inlet end of first air inlet section (211) links to each other, first heating element (23) install in first heating section (212).

4. The oven of claim 3, wherein: the width of the first heating section (212) is larger than that of the first air inlet section (211), and the width of the air inlet end of the first flaring section (213) is larger than or equal to that of the first heating section (212);

the width of the first flaring section (213) is gradually increased along the direction from the air inlet end of the first flaring section (213) to the air outlet end of the first flaring section (213).

5. The oven of claim 3, wherein: the first air duct (21) further comprises a first air outlet section (214) communicated with an air outlet end of the first flaring section (213), an outlet of the first air outlet section (214) is located on the lower side of the first flaring section (213), and an outlet of the first air outlet section (214) faces towards a direction close to the first air inlet section (211).

6. The oven of claim 2, wherein: second wind channel (31) include second air inlet section (311), with second heating section (312) that the air-out end of second air inlet section (311) communicates, with second flaring section (313) that the air-out end of second heating section (312) communicates, the air inlet end of second air inlet section (311) is located the upper end of intercommunication chamber (1032), the air-out end of second flaring section (313) is located the middle part of heating section, second fan (32) with the air inlet end of second air inlet section (311) links to each other, second heating element (33) install in second heating section (312).

7. The oven of claim 6, wherein: the width of the second heating section (312) is greater than that of the second air inlet section (311), and the width of the air inlet end of the second flared section (313) is greater than or equal to that of the second heating section (312);

the width of the second flaring section (313) is gradually increased along the direction from the air inlet end of the second flaring section (313) to the air outlet end of the second flaring section (313).

8. The oven of claim 6, wherein: the second air duct (31) further comprises a second air outlet section (314) communicated with an air outlet end of the second flared section (313), an outlet of the second air outlet section (314) is located on the upper side of the second flared section (313), and an outlet of the second air outlet section (314) faces towards a direction close to the communication cavity (1032).

9. The oven of claim 2, wherein: still have in box (10) with heat dissipation chamber (104) that ageing chamber (101) interval set up, heat dissipation chamber (104) are located ageing chamber (101) are kept away from one side of intercommunication chamber (1032).

10. The oven of any one of claims 1 to 9, wherein: the first heating assembly (23) and the second heating assembly (33) are heating wheels.