Aramid paper honeycomb drying oven

Abstract

The utility model provides an aramid paper honeycomb drying oven which comprises an outer shell, and the outer shell is provided with a containing space and an exhaust port communicated with the containing space. The inner shell is arranged in the containing space, an air channel is formed between the inner shell and the outer shell, and the air channel communicates with an inner cavity of the inner shell and the exhaust port; the exhaust pipe is arranged on the outer shell and is communicated with the exhaust port; and the adjusting mechanisms are symmetrically arranged on the two sides of the exhaust port, the two symmetrically-arranged adjusting mechanisms work independently, each adjusting mechanism comprises a driving assembly and a shifting piece structure which are in driving connection, the driving assemblies are arranged at the top of the outer shell, and the shifting piece structures are movably arranged in the air channels and used for closing or opening the air channels. The aramid paper honeycomb drying oven solves the problem that in the prior art, the temperature is inconvenient to adjust in the curing and shaping process.

Description

Technical Field

[0001] The utility model relates to the technical field related to environmental testing equipment, and in particular to an aramid paper honeycomb oven. Background Art

[0002] Aramid fiber paper honeycomb is made by impregnating aramid fiber paper with glue, curing and shaping. The blast drying oven is the key equipment in the curing and shaping process and is also the main energy-consuming unit. Under the production concept of safety, environmental protection, energy conservation and emission reduction, the process requirements of aramid fiber paper honeycomb are considered and the oven equipment capacity is continuously improved.

[0003] The curing and shaping process needs to go through three stages: heating, heat preservation, and cooling. Each stage has different temperature requirements. However, the oven in the prior art has a single gas path and the equipment cannot identify and match the requirements of each stage. The technical defects make it inconvenient to adjust the temperature during the curing and shaping process, which in turn causes heat energy loss and poor batch stability of curing quality. Utility Model Content

[0004] The main purpose of the utility model is to provide an aramid paper honeycomb oven to solve the problem of inconvenient temperature adjustment during the curing and shaping process in the prior art.

[0005] In order to achieve the above-mentioned purpose, according to one aspect of the utility model, an aramid paper honeycomb oven is provided, which includes an outer shell, the outer shell having a accommodating space and an exhaust port connected to the accommodating space; an inner shell, the inner shell is arranged inside the accommodating space, an airway is formed between the inner shell and the outer shell, and the airway is connected to the inner cavity of the inner shell and the exhaust port; an exhaust pipe, the exhaust pipe is arranged on the outer shell and connected to the exhaust port; an adjusting mechanism, the adjusting mechanisms are arranged in pairs, and the two adjusting mechanisms arranged in pairs along the length direction of the outer shell are arranged on both sides of the exhaust port, and the two adjusting mechanisms work independently, and each adjusting mechanism includes a driving assembly and a paddle structure that are driven and connected, the driving assembly is arranged on the top of the outer shell, and the paddle structure is movably arranged inside the airway for closing or opening the airway.

[0006] Furthermore, the two regulating mechanisms are symmetrically arranged on both sides of the exhaust port; and / or the inner shell has a through hole connected to the inner cavity, and the through hole is connected to the airway arranged between the two regulating mechanisms.

[0007] Furthermore, the top surface of the paddle structure abuts against the inner surface of the outer shell to form a seal, and the bottom surface of the paddle structure abuts against the top surface of the inner shell to form a seal. The paddle structure has a first position and a second position. The drive assembly provides a driving force for the paddle structure to rotate between the first position and the second position. When the paddle structure is in the first position, the paddle structure abuts against the surface forming the airway to form a seal to block the airway; when the paddle structure is in the second position, a wind gap is formed in the paddle structure, and / or a wind gap is formed between the paddle structure and the inner side surface of the outer shell, and the wind gap provides gas flow in the airway.

[0008] Furthermore, the paddle structure includes a paddle, and when the paddle structure is in the second position, two wind gaps are formed between the paddle and a group of oppositely arranged inner side surfaces of the outer shell along a direction perpendicular to the gas flow in the airway.

[0009] Furthermore, the paddle structure includes two paddles, and when the paddle structure is in the second position, a wind gap is formed between the two paddles; along the direction perpendicular to the gas flow in the airway, a wind gap is formed between one paddle and one of a group of two oppositely arranged inner side surfaces of the outer shell, and a wind gap is formed between the other paddle and the other of a group of two oppositely arranged inner side surfaces of the outer shell.

[0010] Furthermore, the extension direction of the paddles is set at an angle to the direction of gas flow inside the air duct, and one end of each paddle away from the inner side of the outer shell extends toward the air inlet side. When the paddle structure is in the second position, the two paddles are formed into an angle structure.

[0011] Furthermore, the adjustment mechanism also includes a first seal, and a first seal is provided on at least one of the two ends of the two paddles close to each other. When the paddle structure is in the second position, the two paddles are sealed and abutted through the first seal; and / or the adjustment mechanism also includes two gears rotatably arranged on the outer shell, the two gears are meshed, and the driving assembly includes two driving members, the two driving members are respectively rotatably connected to the two paddles, and the two driving members are respectively drivingly connected to the two gears.

[0012] Furthermore, the adjustment mechanism also includes a second seal, and the end of the paddle structure close to the inner side surface of the outer shell is provided with a second seal. When the paddle structure is in the second position, the paddle structure is sealed and abutted against the inner side surface of the outer shell through the second seal.

[0013] Furthermore, the adjustment mechanism also includes a rotating shaft, the driving assembly is drivingly connected to the rotating shaft, the rotating shaft is rotatably connected to the outer shell, at least a portion of the rotating shaft along the height direction of the outer shell extends into the interior of the paddle structure and is fixedly connected to the paddle structure, and the driving assembly is drivingly connected to the paddle structure via the rotating shaft.

[0014] Furthermore, the aramid paper honeycomb oven also includes a grille, which is arranged on a group of opposite side walls of the inner shell, and the outer shell and the inner shell are connected to each other through the grille; a heating element, which is arranged in the airway, and the heating elements are arranged in pairs, and the two heating elements arranged in pairs are arranged one-to-one corresponding to the grille.

[0015] By applying the technical solution of the utility model, the following technical effects are achieved:

[0016] 1. By setting two adjustment mechanisms, and the two adjustment mechanisms are set on both sides of the exhaust port, the adjustment mechanism can be adjusted in a targeted manner. When the air circulation inside needs to be adjusted, the driving component of the adjustment mechanism works to drive the paddle structure to move, so that the paddle closes or opens the airway, and can control the size of the airway opening and the air flow in the airway to adapt to different stages of scenes and meet the application requirements of different stages of curing and finalization.

[0017] 2. The rotation of the paddle structure is controlled by the driving component to realize the switching of the airway blocking position and the flow position. At different stages, the demand for airway flow is different, which is convenient to meet the application requirements of different stages of curing and shaping.

[0018] 3. The first sealing member can increase the sealing performance of the abutment between the two paddles, and the second sealing member can increase the sealing performance of the abutment between the paddle structure and the side of the outer shell, thereby increasing the blocking effect of the paddle structure on the airway. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The drawings constituting part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0020] Figure 1 This is a schematic diagram of the overall structure of the aramid paper honeycomb oven of the present application;

[0021] Figure 2 A cross-sectional view of an aramid paper honeycomb oven embodying the present application;

[0022] Figure 3 A cross-sectional view of the drive assembly of the present application;

[0023] Figure 4 A top view of the drive assembly of the present application.

[0024] The above drawings include the following reference numerals:

[0025] 1. Outer shell; 11. Exhaust port; 2. Inner shell; 21. Air duct; 3. Exhaust pipe; 4. Adjustment mechanism; 41. Drive assembly; 42. Paddle structure; 43. First seal; 44. Second seal; 45. Gear; 46. Rotating shaft; 5. Grille; 6. Heating element. DETAILED DESCRIPTION

[0026] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0027] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0028] In the present invention, unless otherwise specified, the directional words used, such as "up, down, top, bottom", usually refer to the directions shown in the drawings, or to the components themselves in the vertical, perpendicular or gravity directions; similarly, for ease of understanding and description, "inside and outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directional words are not used to limit the present invention.

[0029] A kind of aramid paper honeycomb oven, see Figures 1 to 4 The aramid paper honeycomb oven includes an outer shell 1, an inner shell 2, an exhaust pipe 3 and an adjusting mechanism 4. The outer shell 1 has a accommodating space and an exhaust port 11 connected to the accommodating space. The inner shell 2 is arranged inside the accommodating space. An airway 21 is formed between the inner shell 2 and the outer shell 1. The airway 21 is connected to the inner cavity of the inner shell 2 and the exhaust port 11. The exhaust pipe 3 is arranged on the outer shell 1 and connected to the exhaust port 11. The adjusting mechanisms 4 are arranged in pairs. The adjusting mechanisms 4 are arranged on both sides of the exhaust port 11 along the length direction of the outer shell 1. The two adjusting mechanisms 4 work independently. Each adjusting mechanism 4 includes a driving component 41 and a paddle structure 42 connected by a driving connection. The driving component 41 is arranged on the top of the outer shell 1, and the paddle structure 42 is movably arranged inside the airway 21 for closing or opening the airway 21.

[0030] The two adjustment mechanisms 4 are symmetrically arranged on both sides of the exhaust port 11 .

[0031] Since the inner shell 2 and the outer shell 1 are of different sizes and the inner shell 2 is located inside the outer shell 1, a gap is formed between the inner shell 2 and the outer shell 1, and the gap forms an air passage 21. The exhaust port 11 is connected to the air passage 21, and the exhaust pipe 3 is arranged on the exhaust port 11. A driving part such as a fan can be arranged on the exhaust pipe 3 to provide power for the circulation of air, and the effect of the circulation of gas with the outside can be achieved through the exhaust pipe 3 and the exhaust port 11.

[0032] Since the honeycomb in the oven has three-stage scenarios of heating, heat preservation and cooling, the temperature in the oven required in different scenarios is different, and it is necessary to circulate the gas with the outside through the air duct 21 to achieve temperature regulation in different scenarios. By setting two adjustment mechanisms 4, and the two adjustment mechanisms 4 are symmetrically arranged on both sides of the exhaust port 11, the adjustment mechanism 4 can be adjusted in a targeted manner. When it is necessary to adjust the air circulation inside, the driving component 41 of the adjustment mechanism 4 works, driving the paddle structure 42 to move, so that the paddle closes or opens the air duct 21, and can control the size of the opening of the air duct 21, and control the flow of air in the air duct 21, so as to adapt to the scenarios at different stages and meet the application requirements of different stages of curing and shaping.

[0033] In this embodiment, if Figure 1 As shown, the length direction of the outer shell 1 and the inner shell 2 is the X direction shown in the figure, the width direction of the outer shell 1 and the inner shell 2 is the Y direction shown in the figure, and the height direction of the outer shell 1 and the inner shell 2 is the Z direction shown in the figure.

[0034] Furthermore, the inner shell 2 has a through hole connected to the inner cavity, and the through hole is connected to the airway 21 arranged between the two adjustment mechanisms 4.

[0035] Among them, the air circulation between the inner cavity of the inner shell 2 and the accommodating space is realized by setting a through hole. Since the material is placed in the inner shell 2, the through hole is required to connect the inner cavity of the inner shell 2 with the airway 21 to realize the regulation of the material inside the inner shell 2.

[0036] In this embodiment, the top surface of the paddle structure 42 abuts against the inner surface of the outer shell 1 to form a seal, and the bottom surface of the paddle structure 42 abuts against the top surface of the inner shell 2 to form a seal. The paddle structure 42 has a first position and a second position. The drive assembly 41 provides a driving force for the paddle structure 42 to rotate between the first position and the second position. When the paddle structure 42 is in the first position, the paddle structure 42 abuts against the surface forming the airway 21 to form a seal to block the airway 21; when the paddle structure 42 is in the second position, a wind gap is formed in the paddle structure 42, and / or a wind gap is formed between the paddle structure 42 and the inner side surface of the outer shell 1, and the wind gap provides gas flow in the airway 21.

[0037] The top end of the paddle structure 42 abuts against the inner surface of the outer shell to form a seal, and the bottom end abuts against the outer surface of the inner shell 2, so that when the gas in the air duct 21 flows, it can only flow through the wind gap formed by the paddle structure 42, and cannot flow from the bottom or top end of the paddle structure 42. This can increase the sealing effect of the paddle structure 42 when it is closed.

[0038] The first position is the position of closing the airway 21, at which time the paddle structure 42 abuts against the side of the airway 21 to achieve blocking of the airway 21. The second position is the position of opening the airway 21, at which time the paddle structure 42 forms a gap for air flow, or a gap can be formed between the paddle structure 42 and the inner side of the outer shell 1, and the gap provides air circulation, thereby achieving gas exchange between the airway 21 and the outside. The rotation of the paddle structure 42 is controlled by the driving component 41 to achieve switching between the first position and the second position, meeting the application requirements of different stages of curing and finalizing.

[0039] Furthermore, the paddle structure 42 includes a paddle. When the paddle structure 42 is in the second position, two wind gaps are formed between the paddle and a group of relatively arranged inner side surfaces of the outer shell 1 in a direction perpendicular to the gas flow in the air duct 21, that is, in the width direction of the outer shell 1 and the inner shell 2.

[0040] Furthermore, the paddle structure 42 includes two paddles, and when the paddle structure 42 is in the second position, a wind gap is formed between the two paddles; along the direction perpendicular to the gas flow in the air duct 21, a wind gap is formed between one paddle and one of the two inner side surfaces of a group of oppositely arranged outer shell 1, and a wind gap is formed between the other paddle and the other of the two inner side surfaces of a group of oppositely arranged outer shell 1.

[0041] The paddle structure 42 can be one paddle or two or more paddles, and can be set according to actual needs. No matter it is one paddle, two or more paddles, when the paddle structure 42 is in the first position, the side of the paddle close to the inner wall of the outer shell 1 abuts against each other and the ends of the paddle close to each other abut against each other, so as to achieve the blocking of the airway 21. When there is a gap between the paddles and between the paddles and the inner wall of the outer shell 1, the gap is a wind gap for airflow to pass through, and the paddle structure 42 is in the second position. Different positions of the paddle structure 42 can achieve the closure or opening of the airway 21, meeting the application requirements of different stages of curing and finalization.

[0042] Furthermore, the paddle structure 42 includes two paddles, and the extension direction of the paddles is set at an angle to the direction of gas flow inside the air duct 21, and the extension direction of the paddles is set at an angle to the length direction of the outer shell 1. The end of each paddle away from the inner side surface of the outer shell 1 extends toward the air inlet side. When the paddle structure 42 is in the first position, the two paddles are formed into an angle structure. The setting of the angle structure makes the surface of the paddle facing the windward side serve as the windward surface, and the windward surface is affected by the wind force. As the wind pressure increases, the abutment effect between the two paddles is better, which is beneficial to improving the stability and sealing of the installation.

[0043] In this embodiment, the driving assembly 41 is generally a motor, and the output shaft of the motor drives the paddle structure 42 to rotate, thereby realizing the conversion between the first position and the second position of the paddle structure 42. In order to improve the sealing effect of the paddle structure 42, the length of the paddle structure 42 needs to be greater than the distance between the two inner walls on the outer shell 1 that abut against the paddle structure 42. When the paddle structure 42 is one paddle, it is the length of one paddle structure 42; when the paddle structure 42 is a plurality of paddles, it is the total length of the plurality of paddles. Therefore, the extension direction of the paddle needs to be set at an angle to the flow direction of the gas so that the paddle can be placed in the airway 21. And in order to improve the blocking effect of the paddle structure 42, when the paddle structure 42 is a plurality of baffles, the ends of the plurality of paddles that are close to each other should abut against each other, thus forming an angle structure.

[0044] Furthermore, the adjustment mechanism 4 also includes a first seal 43 , and the first seal 43 is provided on at least one of the two ends of the two paddles that are close to each other. When the paddle structure 42 is in the first position, the two paddles are sealed and abutted by the first seal 43 .

[0045] The first sealing member 43 can increase the sealing performance of the two paddles abutting against each other, thereby increasing the blocking effect of the paddle structure 42 on the air passage 21. The paddle structure 42 includes two paddles. When the two paddles are formed into an angle structure, the angle structure is set so that the surface of the paddle facing the windward side is used as the windward surface. The windward surface is affected by the wind force, and then as the wind pressure increases, the two paddles squeeze the first sealing member 43, which is conducive to improving the sealing effect.

[0046] Furthermore, the adjustment mechanism 4 also includes two gears 45 rotatably disposed on the outer shell 1 , the two gears 45 are meshed, and the driving assembly 41 includes two driving members, the two driving members are respectively rotatably connected to the two paddles, and the two driving members are respectively drivingly connected to the two gears 45 .

[0047] By providing two mutually meshing gears 45 , the synchronization of the rotation of the two paddles can be increased, so that the two paddles can rotate at the same angle, which facilitates the mutual cooperation and separation of the two paddles.

[0048] Furthermore, the adjustment mechanism 4 also includes a second seal 44, and the end of the paddle structure 42 close to the inner side surface of the outer shell 1 is provided with a second seal 44. When the paddle structure 42 is in the second position, the paddle structure 42 is sealed against the inner side surface of the outer shell 1 through the second seal 44.

[0049] The second sealing member 44 can increase the sealing performance of the contact between the paddle structure 42 and the side of the outer shell 1, thereby increasing the blocking effect of the paddle structure 42 on the air passage 21. The paddle structure 42 includes two paddles. When the two paddles are formed into an angle structure, the setting of the angle structure makes the surface of the paddle facing the windward side serve as the windward surface. The windward surface is affected by the wind force, and then as the wind pressure increases, the two paddles squeeze the second sealing member 44. The better the contact effect between the second sealing member 44 and the outer shell 1, the better the sealing effect.

[0050] Furthermore, the adjustment mechanism 4 also includes a rotating shaft 46, the driving assembly 41 is drivingly connected to the rotating shaft 46, the rotating shaft 46 is rotatably connected to the outer shell 1, at least a portion of the rotating shaft 46 along the height direction of the outer shell 1 extends into the interior of the paddle structure 42 and is fixedly connected to the paddle structure 42, and the driving assembly 41 is drivingly connected to the paddle structure 42 via the rotating shaft 46.

[0051] By providing a rotating shaft 46 passing through the outer shell 1 , the rotation of the driving member disposed inside the outer shell 1 can be easily transmitted to the paddle structure 42 located in the air passage 21 , thereby facilitating the driving component 41 to drive the paddle structure 42 to rotate.

[0052] In this embodiment, the aramid paper honeycomb oven further comprises a grille 5 . Along the length direction of the outer shell 1 and the inner shell 2 , a set of opposite side walls of the inner shell 2 are provided with the grille 5 . The outer shell 1 and the inner shell 2 are connected to each other through the grille 5 .

[0053] By arranging the grille 5 on the inner shell 2, the air in the inner shell 2 and the air in the accommodation space can be easily communicated with each other. By arranging the grille 5 on a set of opposite side walls of the inner shell 2, when the air is communicated, the air will enter from one side and be discharged from the other side, and then the air can be circulated through the air passage 21 formed in the accommodation space, facilitating the air circulation of the entire air passage 21.

[0054] Furthermore, the aramid paper honeycomb oven further comprises a heating element 6 , which is disposed in the air passage 21 . The heating elements 6 are disposed in pairs, and the two heating elements 6 disposed in pairs are disposed in one-to-one correspondence with the grilles 5 .

[0055] The heating element 6 mainly plays a heating role, providing heat during the heating and insulation stages of the honeycomb in the oven.

[0056] From the above description, it can be seen that the above embodiments of the utility model achieve the following technical effects:

[0057] 1. By setting two adjustment mechanisms 4, and the two adjustment mechanisms 4 are set on both sides of the exhaust port 11, the adjustment mechanisms 4 can be adjusted in a targeted manner. When the air flow in the air outlet needs to be adjusted, the driving component 41 of the adjustment mechanism 4 works to drive the paddle structure 42 to move, so that the paddle closes or opens the airway 21, and can control the size of the opening of the airway 21, and control the flow rate of air in the airway 21, so as to adapt to the scenes at different stages and meet the application requirements at different stages of curing and finalization.

[0058] 2. The driving assembly 41 controls the rotation of the paddle structure 42 to switch between the blocking position and the flow position of the airway 21. At different stages, the flow requirements of the airway 21 are different, which is convenient for meeting the application requirements of different stages of curing and finalization.

[0059] 3. The first sealing member 43 can increase the sealing performance of the abutment between the two paddles, and the second sealing member 44 can increase the sealing performance of the abutment between the paddle structure 42 and the side of the outer shell 1 , thereby increasing the blocking effect of the paddle structure 42 on the airway 21 .

[0060] Obviously, the embodiments described above are only some embodiments of the utility model, not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0061] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0062] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the numbers used in this way can be interchanged where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein.

[0063] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An aramid paper honeycomb oven, characterized in that: include: An outer shell (1), the outer shell (1) comprising a containing space and an exhaust port (11) arranged in communication with the containing space; an inner shell (2), the inner shell (2) being arranged inside the accommodating space, an air passage (21) being formed between the inner shell (2) and the outer shell (1), the air passage (21) being in communication with an inner cavity of the inner shell (2) and the exhaust port (11); an exhaust pipe (3), the exhaust pipe (3) being arranged on the outer shell (1) and communicating with the exhaust port (11); The regulating mechanisms (4) are arranged in pairs, and the two regulating mechanisms (4) arranged in pairs along the length direction of the outer shell (1) are arranged on both sides of the exhaust port (11). The two regulating mechanisms (4) work independently, and each regulating mechanism (4) comprises a driving component (41) and a paddle structure (42) connected in a driving manner. The driving component (41) is arranged on the top of the outer shell (1), and the paddle structure (42) is movably arranged inside the airway (21) for closing or opening the airway (21).

2. The aramid paper honeycomb oven according to claim 1, characterized in that: The two adjustment mechanisms (4) are symmetrically arranged on both sides of the exhaust port (11); and / or The inner shell (2) has a through hole that is connected to the inner cavity, and the through hole is connected to an airway (21) provided between the two regulating mechanisms (4).

3. The aramid paper honeycomb oven according to claim 1, characterized in that: The top surface of the paddle structure (42) abuts against the inner surface of the outer shell (1) to form a seal, and the bottom surface of the paddle structure (42) abuts against the top surface of the inner shell (2) to form a seal, the paddle structure (42) has a first position and a second position, and the driving component (41) provides a driving force for the paddle structure (42) to rotate between the first position and the second position. When the paddle structure (42) is in the first position, the paddle structure (42) abuts against a surface forming the air passage (21) to form a seal to block the air passage (21); When the paddle structure (42) is in the second position, a wind clearance is formed on the paddle structure (42), and / or a wind clearance is formed between the paddle structure (42) and the inner side surface of the outer shell (1), and the wind clearance allows gas in the air passage (21) to flow.

4. The aramid paper honeycomb oven according to claim 3, characterized in that: The paddle structure (42) comprises a paddle, and when the paddle structure (42) is in the second position, two wind gaps are formed between the paddle and a group of oppositely arranged inner side surfaces of the outer shell (1) along a direction perpendicular to the gas flow in the air passage (21).

5. The aramid paper honeycomb oven according to claim 3, characterized in that: The paddle structure (42) comprises two paddles. When the paddle structure (42) is in the second position, The wind gap is formed between the two paddles; Along a direction perpendicular to the gas flow in the air passage (21), the wind clearance is formed between one of the paddles and one of the two inner side surfaces of the outer shell (1) that are arranged opposite to each other, and the wind clearance is formed between the other paddle and the other of the two inner side surfaces of the outer shell (1) that are arranged opposite to each other.

6. The aramid paper honeycomb oven according to claim 5, characterized in that: The extension direction of the paddles is arranged at an angle to the direction of gas flow inside the air duct (21), and one end of each paddle away from the inner side surface of the outer shell (1) extends toward the air inlet side. When the paddle structure (42) is in the first position, the two paddles are formed into an angle structure.

7. The aramid paper honeycomb oven according to claim 5, characterized in that: The adjustment mechanism (4) further comprises a first sealing member (43), wherein the first sealing member (43) is provided on at least one of the two ends of the two paddles that are close to each other, and when the paddle structure (42) is in the first position, the two paddles are sealed and abutted via the first sealing member (43); and / or The adjustment mechanism (4) further comprises two gears (45) rotatably arranged on the outer shell (1), the two gears (45) being meshed, and the driving assembly (41) comprises two driving members, the two driving members being respectively rotatably connected to the two paddles, and the two driving members being respectively drivingly connected to the two gears (45).

8. The aramid paper honeycomb oven according to claim 3, characterized in that: The adjustment mechanism (4) further comprises a second sealing member (44), and the end of the paddle structure (42) close to the inner side surface of the outer shell (1) is provided with the second sealing member (44); when the paddle structure (42) is in the second position, the paddle structure (42) is in sealing contact with the inner side surface of the outer shell (1) via the second sealing member (44).

9. The aramid paper honeycomb oven according to claim 3, characterized in that: The regulating mechanism (4) further comprises: A rotating shaft (46), the driving assembly (41) is drivingly connected to the rotating shaft (46), the rotating shaft (46) is rotatably connected to the outer shell (1), at least a portion of the rotating shaft (46) extends into the interior of the paddle structure (42) along the height direction of the outer shell (1) and is fixedly connected to the paddle structure (42), and the driving assembly (41) is drivingly connected to the paddle structure (42) via the rotating shaft (46).

10. The aramid paper honeycomb oven according to any one of claims 1 to 9, characterized in that: The aramid paper honeycomb oven also includes: a grille (5), the grille (5) being arranged on a group of opposite side walls of the inner shell (2), the outer shell (1) and the inner shell (2) being in communication with each other via the grille (5); A heating element (6), wherein the heating element (6) is arranged in the air passage (21), the heating elements (6) are arranged in pairs, and the two heating elements (6) arranged in pairs are arranged in a one-to-one correspondence with the grille (5).

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