A new type of drying oven

Abstract

This utility model discloses a novel drying oven, comprising a box body, an air conveying hood, an air supply component, and a heater. The box body has a channel through which battery electrode sheets flow. The air conveying hood is located at the inner top of the box body, and its outlet end has air holes spaced apart along a first direction. The air supply component is located at the top of the box body, connected to the air inlet end of the air conveying hood, and is used to transport air vertically through the hood. The heater is located inside the air conveying hood and is used to heat the air flowing through it. By placing the air supply component at the top of the air conveying hood, this utility model shortens the air delivery distance between the air supply component and the air outlet, which helps reduce wind resistance and allows the air supply component to deliver a large volume of air at low frequencies, thus reducing energy consumption.

Description

Technical Field

[0001] This utility model relates to the field of drying production equipment technology, specifically to a novel drying oven. Background Technology

[0002] In the lithium battery manufacturing process, after the battery electrodes are coated, they need to be dried in an oven. Traditional ovens have a heating system installed on the side wall of the oven. After the air is heated by the heating system, it needs to be introduced into the oven through pipes and then blown onto the battery electrodes to be dried through the drying nozzles. However, in the above-mentioned traditional ovens, the heating pack of the heating system is too far away from the drying nozzles, resulting in high air resistance and high energy consumption. Utility Model Content

[0003] This invention provides a novel drying oven that solves the technical problems of existing drying ovens where the heating element is too far from the drying nozzle, resulting in high air resistance and high energy consumption.

[0004] In view of the above, this utility model provides a novel drying oven, comprising:

[0005] The housing has internal channels through which the battery electrodes flow;

[0006] An air hood is disposed at the inner top of the housing, and the air outlet end of the air hood is provided with air blowing holes at intervals along the first direction;

[0007] An air supply assembly is disposed at the top of the housing. The air supply assembly is connected to the air inlet of the air supply hood and is used to deliver air to flow vertically through the air supply hood.

[0008] A heater is disposed inside the air hood and is used to heat the air flowing through the air hood.

[0009] The novel drying oven according to this utility model has at least the following beneficial effects:

[0010] By placing the air supply hood at the top of the housing and installing an air supply component at the top of the housing to supply air into the hood, and a heater inside the air supply hood, the air supply component first delivers air into the air supply hood during the drying process of the battery electrode sheets flowing through the channel. After being heated by the heater to form hot air at the required temperature, the hot air then flows through each air outlet to evenly blow the hot air onto the surface of the battery electrode sheets for drying. Throughout the drying process, the heater is built into the air supply hood, saving space. At the same time, by placing the air supply component at the top of the air supply hood, the air supply distance between the air supply component and the air outlet is shortened, which helps to reduce wind resistance and allows the air supply component to deliver a large volume of air at low frequencies, thus reducing energy consumption.

[0011] In one optional implementation, the air supply assembly includes:

[0012] A volute is located at the inner top of the housing, and an air outlet is provided on the radial side wall of the volute.

[0013] The impeller is concentrically arranged inside the volute and is driven to rotate by the first drive assembly to generate airflow that is delivered into the volute.

[0014] The connecting air duct has an air inlet on its side wall that is connected to the air outlet. The lower end of the connecting air duct is provided with an air outlet that is connected to the air inlet of the air conveyor hood.

[0015] A deflector is disposed at the right angle between the inner side wall of the connecting duct away from the air outlet and the top end of the connecting duct. At least part of the air output from the air outlet is blown to the deflector. The deflector is used to reverse the air blown radially to the deflector and transport it axially into the air conveyor hood.

[0016] The axial direction is parallel to the vertical direction.

[0017] In one alternative embodiment, an exhaust vent is provided at the top of the housing, and the exhaust vent is located on the side of the connecting air duct away from the volute.

[0018] In one alternative embodiment, the volute is provided with a return air inlet at one end facing the air supply hood in the vertical direction.

[0019] In one optional embodiment, the air outlet of the air hood forms an opening, and a filter is provided covering the opening of the air hood, with the air blowing hole disposed on the filter.

[0020] In one optional embodiment, the housing includes an upper housing and a lower housing, the air hood is disposed in the upper housing, and the housing has a closed state in which the upper housing and the lower housing abut against each other to form a closed space, and an open state in which the upper housing and the lower housing are separated.

[0021] In one optional embodiment, one side of the upper housing is rotatably connected to the lower housing, and a second drive assembly is provided between the other side of the upper housing and the lower housing. The second drive assembly is used to drive the housing to switch between the closed state and the open state.

[0022] In one optional embodiment, a limit safety component is provided between the upper box and the lower box. When the box is in the open state, one end of the limit safety component abuts against the upper box and the other end abuts against the lower box. When the box is in the closed state, one end of the limit safety component is connected to one of the upper box and the lower box, and the other end is disconnected from the other of the upper box and the lower box.

[0023] In one optional implementation, the limiting safety component includes:

[0024] The mounting base is disposed on either the upper housing or the lower housing;

[0025] A safety seat is provided on the other side of the upper housing and the lower housing, and the end face of the safety seat facing the mounting base in the vertical direction is provided with a plug-in groove;

[0026] The bumper is pivotally mounted on the mounting base, and one end of the bumper facing away from the mounting base can be movably inserted into the insertion slot.

[0027] In one alternative embodiment, the filter is detachably attached to the opening of the air hood via a connecting assembly. Attached Figure Description

[0028] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0029] Figure 1 This is a cross-sectional front view of the box in the closed state according to this embodiment;

[0030] Figure 2 This is a three-dimensional structural diagram of the box in the closed state according to this embodiment;

[0031] Figure 3 This is a three-dimensional structural diagram of the box in the open state according to this embodiment;

[0032] Figure 4 for Figure 3 Enlarged view of point A in the middle;

[0033] Figure 5 This is a schematic diagram of the inverted structure of the upper box equipped with the air conveyor hood in this embodiment;

[0034] Figure 6 for Figure 5 Enlarged diagram of point B in the middle.

[0035] Explanation of reference numerals in the attached figures:

[0036] 100-Box body, 110-Upper box body, 111-Exhaust vent, 120-Lower box body, 121-Roller, 122-Drive motor, 130-Cylinder;

[0037] 200-Battery Electrode;

[0038] 300 - Air hood, 310 - Extension section;

[0039] 400 - Heater, 410 - Heating element;

[0040] 510-Voltage casing, 520-Impeller, 530-Connecting air duct, 540-Guide plate, 550-Air inlet pipe, 560-First motor;

[0041] 600 - Filter, 610 - Tower buckle;

[0042] 710-Mounting base, 720-Safety seat, 721-Plug-in slot, 730-Bumper. Detailed Implementation

[0043] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0044] In the description of this embodiment, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this embodiment and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this embodiment. In addition, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0045] In the description of this embodiment, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this embodiment according to the specific circumstances.

[0046] The following is combined with Figures 1 to 6 The following describes embodiments of the present invention.

[0047] According to an embodiment of the present invention, a novel oven is provided, comprising a chamber 100, an air conveying hood 300, an air supply assembly, and a heater 400. The chamber 100 has a channel through which battery electrode plates 200 flow. The air conveying hood 300 is disposed at the inner top of the chamber 100, and the air outlet end of the air conveying hood 300 is provided with air blowing holes spaced apart along a first direction. The air blowing holes are used to blow hot air onto the battery electrode plates 200 flowing through the channel. The air supply assembly is disposed at the top of the chamber 100 and is connected to the air inlet end of the air conveying hood 300, and is used to transport air to flow vertically through the air conveying hood 300. The heater 400 is disposed inside the air conveying hood 300 and is used to heat the air flowing through the air conveying hood 300.

[0048] The novel drying oven of this embodiment has an air hood 300 disposed at the inner top of the box body 100, and an air supply assembly for supplying air into the air hood 300 is disposed at the top of the box body 100. A heater 400 is disposed inside the air hood 300. During the drying process of the battery electrode sheets 200 flowing through the channel, such as... Figure 1 As shown by the middle arrow, the airflow path involves the air supply component first delivering air into the air supply hood 300, where it is heated by the heater 400 to reach the required temperature. The hot air then flows through various air outlets, evenly blowing the hot air onto the surface of the battery electrode 200 for drying. Throughout the drying process, the heater 400 is integrated into the air supply hood 300, saving space and shortening the distance between the heater 400 and the air outlets, thus reducing heat loss. Simultaneously, by placing the air supply component at the top of the air supply hood 300, the air delivery distance between the component and the outlets is shortened, reducing wind resistance and enabling the air supply component to deliver a large volume of air at low frequencies, thereby reducing energy consumption.

[0049] It should be noted that, in this embodiment, by placing the air supply component at the top of the housing 100, the width of the oven in this embodiment is not occupied, which is beneficial for widening the width of the oven in this embodiment to meet the drying needs of the battery electrode sheets 200 whose width is constantly increasing.

[0050] It should be noted that each air hole includes multiple holes spaced apart along the width direction of the battery electrode 200; the width direction of the battery electrode 200 and the first direction are located on the same horizontal plane and are perpendicular to each other.

[0051] It is understood that the first direction mentioned in the text is parallel to the conveying direction of the battery electrode 200 within the housing 100, and the first direction is perpendicular to the vertical direction. For ease of description, it is referred to as... Figure 1 The first direction and the vertical direction are described as the first direction and the vertical direction, but are not used to specifically limit the transport direction of the battery electrode 200 within the housing 100.

[0052] like Figure 1As shown, in some embodiments, the air supply assembly includes a volute 510 and a connecting duct 530. The volute 510 is disposed at the inner top of the housing 100. An air outlet is provided on the radial sidewall of the volute 510. An impeller 520 is concentrically disposed inside the volute 510. The impeller 520 is driven to rotate by the first drive assembly to generate air and deliver it into the volute 510. The air inlet of the sidewall of the connecting duct 530 is connected to the air outlet. An air outlet is provided at the lower end of the connecting duct 530 and is connected to the air inlet of the air supply hood 300. A guide plate 540 is provided at the right angle where the inner sidewall of the connecting duct 530 away from the air outlet connects to the inner top of the connecting duct 530. At least part of the air output from the air outlet is blown to the guide plate 540. The guide plate 540 is used to reverse the air blown radially onto the guide plate 540 and deliver it axially into the air supply hood 300. The axial direction is parallel to the vertical direction.

[0053] In this embodiment, by placing the volute 510 at the inner top of the housing 100 and connecting the air outlet of the volute 510 to the air inlet of the air duct 300 via the connecting air duct 530, it is beneficial to reduce the risk of damage to the volute 510 and the connecting air duct 530 due to collision. On the other hand, as Figure 1 As indicated by the middle arrow, the airflow path is smoothly transitioned at the right angle where the inner wall of the connecting duct 530 away from the air outlet meets the top of the connecting duct 530. This reduces air accumulation at the right angle and redirects the air that flows radially from the air outlet into the connecting duct 530 and is blown onto the guide plate 540. The air is then vertically transported into the air supply hood 300, resulting in a slower airflow speed within the hood 300 and higher heating efficiency. This helps ensure that the hot air blown out through the air outlet reaches the required temperature, achieving efficient air supply while minimizing the vertical dimensions of the air supply assembly.

[0054] like Figure 2 As shown, specifically, the other side wall of the volute 510 is connected to an air inlet pipe 550 along the radial direction. One end of the air inlet pipe 550 extends to the outside of the housing 100. The air inlet pipe 550 and the air outlet are spaced apart along the circumference. This allows fresh air from the outside to be transported radially into the volute 510 through the air inlet pipe 550 during the rotation of the impeller 520 driven by the first drive assembly.

[0055] It is understandable that the radial direction mentioned in the text refers to the radial direction of the volute 510.

[0056] like Figures 1 to 3 As shown, specifically, the first drive assembly includes a first motor 560, which is located on the outer top of the housing 100. The output shaft of the first motor 560 is connected to the impeller 520. The first drive assembly can be a drive assembly in a conventional fan, and its specific structure is not limited. It only needs to be able to drive the impeller 520 to rotate and generate air to be delivered into the volute 510.

[0057] like Figure 1 and Figure 2 As shown, in some embodiments, an exhaust vent 111 is connected to the top of the housing 100, and the exhaust vent 111 is located on the side of the connecting air duct 530 away from the volute 510. By placing the exhaust vent 111 at the top of the housing 100, as... Figure 1 The airflow path indicated by the middle arrow helps to exhaust some of the hot air containing solvent vapor generated by drying the battery electrode 200 to the outside, ensuring pressure balance inside and outside the housing 100; at the same time, the exhaust port 111 and the air inlet pipe 550 are arranged at intervals along the first direction, making the spatial arrangement more reasonable and reducing the mixing of the air discharged through the exhaust port 111 with the fresh air entering the air inlet pipe 550.

[0058] Specifically, the box 100 is configured with a sandwich structure, and the sandwich space of the box 100 is filled with insulation material to form an insulation layer, thereby increasing the insulation effect of the box 100.

[0059] In some embodiments, the volute 510 has a return air inlet at one end facing the air supply hood 300 in the vertical direction. This arrangement, as... Figure 1 The airflow path indicated by the middle arrow facilitates the circulation of some of the hot air containing solvent vapor generated during the drying of the battery electrode 200 into the volute 510. After mixing with the fresh air supplied through the air inlet pipe 550, the air enters the air duct 300 for the next cycle of heating, further improving drying efficiency and reducing energy consumption.

[0060] like Figure 1 and Figure 3 As shown, in some embodiments, the air outlet of the air hood 300 forms an opening, and a filter 600 is installed over the opening of the air hood 300, with air blowing holes located on the filter 600. By positioning the filter 600 downstream of the heater 400 along the air delivery direction, the air supplied by the air delivery assembly into the air hood 300 is first heated to form hot air, then filtered, and finally blown evenly through the air blowing holes onto the battery electrode 200 to be dried. This ensures the cleanliness of the hot air blown onto the battery electrode 200, which is beneficial for improving the drying effect on the battery electrode 200. Simultaneously, the air blowing holes formed by the gaps in the filter 600 replace traditional nozzles, simplifying the structure.

[0061] like Figures 1 to 3As shown, in some embodiments, the housing 100 includes an upper housing 110 and a lower housing 120, with an air duct 300 disposed within the upper housing 110. The housing 100 has a closed state where the upper housing 110 and the lower housing 120 abut against each other to form a closed space, and an open state where the upper housing 110 and the lower housing 120 are separated. By dividing the housing 100 into an upper housing 110 and a lower housing 120, when it is necessary to clean or repair the components located inside the housing 100, the housing 100 can be switched to the open state to perform the corresponding operation.

[0062] like Figure 2 and Figure 3 As shown, in some embodiments, one side of the upper housing 110 is rotatably connected to the lower housing 120, and a second drive assembly is provided between the other side of the upper housing 110 and the lower housing 120. The second drive assembly is used to drive the housing 100 to switch between a closed state and an open state. By assembling the upper housing 110 and the lower housing 120 in a manner similar to a "clamshell opening and closing structure," and cooperating with the second drive assembly to automatically switch the housing 100 between a closed state and an open state, the intensity of manual labor is reduced.

[0063] Specifically, the second drive assembly includes a cylinder 130, which is hinged to one of the upper housing 110 and the lower housing 120, and the piston end of the cylinder 130 is hinged to the other of the upper housing 110 and the lower housing 120; as Figure 3 As shown, preferably, the cylinder 130 is hinged to the outer side wall of the lower housing 120, and the piston end of the cylinder 130 is hinged to the outer side wall of the upper housing 110; the housing 100 is automatically switched between a closed state and an open state by controlling the extension and retraction of the piston end of the cylinder 130.

[0064] In another alternative embodiment, cylinder 130 is hinged to the outer side wall of upper housing 110, and the piston end of cylinder 130 is hinged to the outer side wall of lower housing 120.

[0065] In practical applications, cylinder 130 can also be replaced by an electric telescopic rod or a hydraulic cylinder, etc.

[0066] In specific applications, telescopic components can also be provided on at least two outer side walls of the lower housing 120. The telescopic ends of the telescopic components are connected to the upper housing 110. The upper housing 110 is driven to rise or fall vertically relative to the lower housing 120 through at least two telescopic components, thereby automatically switching the housing 100 between the closed and open states.

[0067] In some embodiments, a limit safety assembly is provided between the upper housing 110 and the lower housing 120. When the housing 100 is in the open state, one end of the limit safety assembly abuts against the upper housing 110, and the other end abuts against the lower housing 120. When the housing 100 is in the closed state, one end of the limit safety assembly is connected to the upper housing 110, and the other end is disengaged from the lower housing 120. By extending the piston end of the starting cylinder 130 to switch the housing 100 to the open state, the two ends of the limit safety assembly abut against the upper housing 110 and the lower housing 120 respectively, preventing the housing 100 from switching from the open state to the closed state. This effectively prevents the upper housing 110 from falling accidentally and improves the safety of cleaning or maintenance operations on the components located inside the housing 100.

[0068] In another alternative embodiment, when the housing 100 is in the closed state, one end of the limiting and safety component is connected to the lower housing 120, and the other end is disconnected from the upper housing 110.

[0069] like Figure 3 and Figure 4 As shown, specifically, the limiting safety component includes a mounting base 710, a safety seat 720, and a bumper 730. The mounting base 710 is disposed on the upper housing 110, and the safety seat 720 is disposed on the lower housing 120. The safety seat 720 has a insertion groove 721 on its end face facing the mounting base 710 in the vertical direction. The bumper 730 is swayably disposed on the mounting base 710, and the end of the bumper 730 facing away from the mounting base 710 can be movably inserted into the insertion groove 721. With this configuration, when switching the housing 100 from the closed state to the open state, the end of the bumper 730 away from the mounting base 710 is first inserted into the insertion slot 721, and then the housing 100 is switched to the open state. This allows the bumper 730 to form a support structure between the upper housing 110 and the lower housing 120, effectively preventing the upper housing 110 from falling accidentally and improving the safety of cleaning or maintenance of the components inside the housing 100. When switching the housing 100 from the open state to the closed state, the end of the bumper 730 away from the mounting base 710 is first removed from the insertion slot 721 to avoid interfering with the retraction action of the piston end of the cylinder 130.

[0070] In another alternative embodiment, the limiting safety component includes a mounting base 710, a safety seat 720, and a bumper 730. The mounting base 710 is disposed in the lower housing 120, and the safety seat 720 is disposed in the upper housing 110. The end face of the safety seat 720 facing the mounting base 710 in the vertical direction is provided with a insertion groove 721. The bumper 730 is swayably disposed on the mounting base 710, and the end of the bumper 730 facing away from the mounting base 710 can be movably inserted into the insertion groove 721.

[0071] In some embodiments, the filter 600 is detachably connected to the opening of the air hood 300 via a connecting assembly. With this configuration, when the filter 600 is damaged, the housing 100 can be switched to the open state first, and then the old filter 600 can be removed and replaced with a new filter 600, reducing maintenance difficulty and costs.

[0072] like Figures 4 to 6 As shown, in some embodiments, the air outlet end of the air hood 300 extends downward in the vertical direction to form an extension 310, and the connecting assembly includes:

[0073] A through hole is provided through the side wall of the extension 310;

[0074] The mounting part is located at one end of the filter 600 along its width direction, and the mounting part is used to be movably inserted into the through hole;

[0075] A buckle 610 is disposed at one end of the filter 600 away from the mounting portion along its width direction, and the buckle 610 is used to connect the extension portion 310.

[0076] In this embodiment, a through hole is provided in the extension 310 corresponding to the mounting part. During the assembly of the filter 600 and the air duct 300, one end of the filter 600 along its width direction is first hung on the extension 310 through the through hole via the mounting part, and the other end is connected to the extension 310 via a buckle 610, so that the filter 600 is fixed to the opening of the air duct 300 in a detachable manner.

[0077] As an alternative embodiment, the air outlet of the air hood 300 extends downward in the vertical direction to form an extension 310. The connecting component includes elastic buckles provided on both sides of the filter 600 along its width direction and corresponding locking holes provided on the end wall of the extension 310. When the filter 600 is inserted upward in the vertical direction, the elastic buckles engage with the locking holes to detachably fix the filter 600 to the extension 310. Pressing the elastic buckles can release the engagement, thereby allowing the filter 600 to be removed from the extension 310.

[0078] As another alternative embodiment, the air outlet end of the air hood 300 extends downward in the vertical direction to form an extension 310. The connecting component includes a threaded fastener. The side edge of the filter 600 is provided with a through hole. The end wall of the extension 310 is provided with a threaded hole corresponding to the position of the through hole. The threaded hole matches the threaded fastener. The threaded fastener passes through the through hole and is screwed into the threaded hole to detachably fix the filter 600 to the extension 310.

[0079] like Figure 5 and Figure 6As shown, in some embodiments, the heater 400 includes a plurality of heating tubes 410 spaced apart along a first direction, preferably six; the sidewall of the extension 310 is provided with a through hole for the connection end of the heating tube 410 to pass through and connect to an external power source, thereby reducing the assembly difficulty of the heater 400.

[0080] like Figure 5 As shown, specifically, the heating tube 410 is arranged in a serpentine pattern. The heating tube 410 includes multiple straight pipe sections connected in sequence and bent pipe sections connecting adjacent straight pipe sections. The straight pipe sections are arranged in parallel and are located in the same plane.

[0081] like Figure 1 and Figure 2 As shown, specifically, one end of the lower housing 120 is provided with an electrode inlet, and the other end of the lower housing 120 is provided with an electrode outlet. The electrode inlet and electrode outlet are used for the battery electrode 200 to enter and exit the housing 100. When the housing 100 is in the closed state, the upper housing 110 and the lower housing 120 enclose each other to form a channel for the battery electrode 200 to flow through. The lower housing 120 is provided with multiple rollers 121, which are spaced apart along the first direction to support the battery electrode 200.

[0082] Specifically, adjacent rollers 121 are connected by a synchronous transmission assembly, and a drive motor 122 is provided outside the housing 100. The output end of the drive motor 122 is connected to one of the rollers 121 through a reducer to realize synchronous transmission of multiple rollers 121.

[0083] In practical applications, the synchronous transmission component can be set as a synchronous belt component or a synchronous chain component, etc.

[0084] Although embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations all fall within the scope defined by the present invention.

Claims

1. A novel oven characterized in that, include: The housing (100) has a channel through which the battery electrode (200) flows; An air hood (300) is disposed at the inner top of the housing (100), and the air outlet end of the air hood (300) is provided with air blowing holes at intervals along the first direction; An air supply assembly is disposed at the top of the housing (100). The air supply assembly is connected to the air inlet end of the air supply hood (300) and is used to deliver air to flow vertically through the air supply hood (300). A heater (400) is disposed inside the air hood (300) and is used to heat the air flowing through the air hood (300).

2. A novel oven as claimed in claim 1, wherein, The air supply assembly includes: A volute (510) is disposed at the inner top of the housing (100), and an air outlet is provided on the radial side wall of the volute (510). The impeller (520) is concentrically arranged inside the volute (510) and is driven to rotate by the first drive assembly to generate airflow to the volute (510); The connecting air duct (530) has an air inlet on its side wall that is connected to the air outlet. The lower end of the connecting air duct (530) is provided with an air outlet that is connected to the air inlet of the air conveyor hood (300). A guide plate (540) is disposed at the right angle between the inner side wall of the connecting air duct (530) away from the air outlet and the inner top of the connecting air duct (530). At least part of the air output from the air outlet is blown to the guide plate (540). The guide plate (540) is used to reverse the air blown radially onto the guide plate (540) and transport it axially into the air conveyor hood (300). The axial direction is parallel to the vertical direction.

3. A novel oven as claimed in claim 2, wherein, The top of the housing (100) is connected to an exhaust port (111), which is located on the side of the connecting air duct (530) away from the volute (510).

4. A novel oven as claimed in claim 2, wherein, The volute (510) has a return air inlet at one end facing the air supply hood (300) in the vertical direction.

5. A novel oven as claimed in any one of claims 1 to 4, wherein, The air outlet of the air hood (300) is formed through an opening, and a filter (600) is provided covering the opening of the air hood (300). The air blowing hole is provided in the filter (600).

6. A novel oven as claimed in claim 5, wherein, The housing (100) includes an upper housing (110) and a lower housing (120). The air hood (300) is disposed inside the upper housing (110). The housing (100) has a closed state in which the upper housing (110) and the lower housing (120) abut against each other to form a closed space, and an open state in which the upper housing (110) and the lower housing (120) are separated.

7. A novel oven as claimed in claim 6, wherein, One side of the upper housing (110) is rotatably connected to the lower housing (120), and a second drive assembly is provided between the other side of the upper housing (110) and the lower housing (120). The second drive assembly is used to drive the housing (100) to switch between the closed state and the open state.

8. A novel oven as claimed in claim 7, wherein, A limit safety component is provided between the upper housing (110) and the lower housing (120). When the housing (100) is in the open state, one end of the limit safety component abuts against the upper housing (110) and the other end abuts against the lower housing (120). When the housing (100) is in the closed state, one end of the limit safety component is connected to one of the upper housing (110) and the lower housing (120), and the other end is disconnected from the other of the upper housing (110) and the lower housing (120).

9. A novel drying oven according to claim 8, characterized in that, The limiting safety component includes: Mounting base (710) is disposed on either the upper housing (110) or the lower housing (120); A safety seat (720) is provided on the other side of the upper housing (110) and the lower housing (120), and the safety seat (720) has a plug groove (721) on its end face facing the mounting base (710) in the vertical direction; The bumper (730) is pivotally mounted on the mounting base (710), and one end of the bumper (730) facing away from the mounting base (710) is movably inserted into the insertion slot (721).

10. A novel oven as claimed in any one of claims 7 to 9, characterized in that, The filter (600) is fixed to the opening of the air supply hood (300) in a detachable connection via a connecting assembly.

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