Drying oven
By using heating plates, temperature sensors and lifting mechanisms in the oven, combined with the design of graphene layer, reflective layer and thermal insulation layer, the problems of time-consuming and low efficiency of traditional drying devices are solved, and rapid and energy-saving substrate drying is achieved. Dry and high-quality printing results.
Patent Information
- Application Number
- CN202323397588.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-12
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2033-12-12
AI Technical Summary
Traditional drying devices take a long time to dry the substrate, have low efficiency, and are difficult to control the substrate temperature, limiting the speed and production efficiency of inkjet printing.
An oven is designed, including a heating plate, a temperature sensor and a lifting mechanism, which heats the substrate in a planar manner through the heating plate, and uses a graphene layer to generate heat radiation, combining a reflective layer and an insulation layer to improve heating efficiency and uniform temperature. , control the distance between the heating plate and the substrate to avoid brittleness or deformation.
It significantly shortens the drying time, improves the drying efficiency and the quality of the printing pattern, reduces energy consumption, and improves the applicability and stability of the heating plate.
Smart Images
Figure CN222257306U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of drying equipment, in particular to a drying oven. Background Art
[0002] The principle of hot air drying of substrates is to heat the substrates by convection through high-temperature gas, thereby causing the water molecules in the substrates to separate from the substrates. The traditional drying device forms a hot air chamber in the oven to dry the substrates placed in the oven. However, during drying, the hot air flows over the surface of the substrate, and the heat energy needs to be slowly transferred to the inside of the substrate, resulting in a long drying process, low drying efficiency, and it is not easy to control the temperature of the substrate. Utility Model Content
[0003] In view of this, the utility model provides an oven to solve the problem that it takes a long time to dry a substrate with hot air, the efficiency is low, and it is inconvenient to control the temperature of the substrate.
[0004] The utility model provides a drying oven, comprising:
[0005] The box body has a cavity inside, and a through hole is opened at a position corresponding to the cavity on the side wall of the box body, and the through hole is suitable for the substrate to pass through so that the area of the substrate to be dried is located in the cavity;
[0006] A heating plate is arranged in the cavity and located on one side of the substrate, and the heating plate is suitable for heating the area of the substrate to be dried;
[0007] A temperature sensor is provided on the heating plate, the temperature sensor is suitable for detecting the temperature of the heating plate, and is electrically connected to an external controller, and the external controller is suitable for controlling the heating temperature of the heating plate;
[0008] The lifting mechanism is connected to the box body and the heating plate at the same time, and the lifting mechanism is suitable for driving the heating plate to be close to or away from the substrate.
[0009] Beneficial effects: By arranging a heating plate in the box, the time for drying the substrate is reduced, thereby improving the drying efficiency, and a temperature sensor is arranged on the heating plate to control the heating temperature of the substrate by the heating plate, thereby improving the quality of the pattern printed on the substrate; and the distance between the heating plate and the substrate is adjusted by a lifting mechanism to further control the heating temperature of the substrate by the heating plate, thereby preventing the substrate from becoming brittle or deformed.
[0010] In an optional embodiment, the main plane of the heating plate is arranged parallel to the main plane of the substrate.
[0011] Beneficial effect: By making the main plane of the substrate parallel to the main plane of the heating plate, the heating plate can perform planar heating on the substrate, which is beneficial to improving the temperature uniformity of the substrate.
[0012] In an optional embodiment, the heating plate includes a substrate, and a graphene layer fixedly connected to a main plane of the substrate, wherein the graphene layer is suitable for generating heat radiation after being energized.
[0013] Beneficial effect: The substrate is heated by heat radiation generated by the graphene layer, which is more energy-saving than traditional hot air drying. Infrared rays have a certain degree of penetration, which is conducive to making the thermal diffusion of ink on the substrate surface consistent with the diffusion direction of solvent, thereby accelerating the drying process and improving drying efficiency.
[0014] In an optional embodiment, the heating plate further includes a heat-insulating layer, which is located on a side of the graphene layer away from the substrate, and the heat-insulating layer is suitable for reducing heat loss of the heating plate.
[0015] Beneficial effect: By arranging a heat preservation layer on the side of the graphene layer away from the substrate to prevent heat loss, the temperature of the heating plate is made more uniform and stable, which can effectively reduce the loss of heat energy.
[0016] In an optional embodiment, the heating plate further comprises a reflective layer, wherein the reflective layer is located on a side of the graphene layer away from the substrate, and the reflective layer is suitable for reducing heat loss of the heating plate.
[0017] Beneficial effects: By using a reflective layer instead of a thermal insulation layer, a large amount of heat can be reflected toward the substrate, thereby improving the heating efficiency of the heating plate, shortening the heating time, and reducing energy loss; by using a reflective layer instead of a thermal insulation layer, the thickness of the heating plate can also be effectively reduced, which is conducive to reducing the size of the heating plate to adapt to more usage scenarios, thereby improving the applicability of the heating plate.
[0018] In an optional embodiment, the thermal radiation wavelength generated by the graphene layer is 4 μm-14 μm.
[0019] Beneficial effects: The infrared spectrum wavelength emitted by the graphene layer is concentrated in 4μm-14μm, which is a typical medium and long infrared wave. It can be effectively absorbed by the ink on the surface of the substrate. There is no need to use hot air circulation as a heating medium. It can achieve direct heating and rapid temperature rise with higher thermal efficiency.
[0020] In an optional embodiment, a bracket is provided between the lifting mechanism and the heating plate, the bracket is fixedly connected to the heating plate, and the lifting mechanism is suitable for driving the heating plate to move closer to or away from the substrate by driving the bracket.
[0021] In an optional embodiment, the box is fixedly connected to a support, and the lifting mechanism includes a follower, which is hinged to the support and the bracket at the same time. The follower has a first state in which the heating plate is driven to approach the substrate through the bracket, and a second state in which the heating plate is driven to move away from the substrate through the bracket.
[0022] In an optional embodiment, the lifting mechanism further includes a driving member, one end of which is fixedly connected to the box body, and the other end of which is hinged to the driven member, and the driving member is suitable for driving the driven member to rotate relative to the support.
[0023] In an optional embodiment, the number of substrates includes at least one, the number of heating plates is matched to the number of substrates, and a plurality of heating plates are fixedly connected to the bracket at the same time.
[0024] Beneficial effect: The bracket is fixedly connected to a plurality of heating plates at the same time, so that the plurality of heating plates can be simultaneously moved close to or away from the substrate, thereby facilitating improving the use stability of the oven. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0026] Figure 1 It is a cross-sectional schematic diagram of the oven of the utility model;
[0027] Figure 2 for Figure 1 A partial enlarged view of the middle A;
[0028] Figure 3 It is a side schematic diagram of the oven of the utility model;
[0029] Figure 4 for Figure 3 A partial enlarged view of point B in the middle;
[0030] Figure 5 The overall schematic diagram of the utility model oven
[0031] Figure 6 This is a schematic diagram of the relative positions of the substrate and the heating plate of the utility model in the drying state;
[0032] Figure 7 This is a schematic diagram of the relative positions of the substrate and the heating plate of the utility model in a non-drying state;
[0033] Figure 8 This is an exploded schematic diagram of the heating plate of the utility model;
[0034] Fig. 9 This is an exploded schematic diagram of another heating plate of the present invention.
[0035] Description of reference numerals:
[0036] 1. Box body; 2. Through hole; 3. Base material; 4. Heating plate; 41. Base plate; 42. Graphene layer; 43. Insulating layer; 44. Insulating layer; 45. Reflective layer; 5. Lifting mechanism; 51. Driving member; 52. Follower; 521. First connecting part; 522. Extending part; 523. Second connecting part; 6. Temperature sensor; 7. Bracket; 8. Support; 9. Conduit; 10. Air suction chamber. DETAILED DESCRIPTION
[0037] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.
[0038] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.
[0039] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0040] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
[0041] The traditional substrate drying device forms a hot air chamber in the oven and evenly distributes the hot air through multiple air guide holes on multiple air guide plates, so that the substrate placed in the oven can be baked more evenly and smoothly. The principle of hot air drying is to use high-temperature gas to perform convection heating on the substrate, thereby causing the water molecules in the substrate to vaporize and evaporate, and then separate from the substrate. However, when drying, the hot air blows over the surface of the substrate, and the heat energy needs to be slowly transferred to the inside of the ink, resulting in a long drying process and low efficiency. Single-pass inkjet printers have higher requirements for substrate drying efficiency. The traditional drying scheme has low heat transfer efficiency, which limits the speed of inkjet printing and restricts its production efficiency. It is difficult to meet the requirements of high-speed printing. Therefore, a new drying scheme is needed to improve the drying efficiency of the substrate.
[0042] Combine the following Figures 1 to 9 , describing an embodiment of the utility model.
[0043] According to an embodiment of the utility model, there is provided an oven, comprising:
[0044] The box body 1 has a cavity inside, and a through hole 2 is opened at a position corresponding to the cavity on the side wall of the box body 1, and the through hole 2 is suitable for the substrate 3 to pass through, so that the area to be dried of the substrate 3 is located in the cavity;
[0045] A heating plate 4 is disposed in the cavity and located on one side of the substrate 3. The heating plate 4 is suitable for heating the area to be dried of the substrate 3.
[0046] The heating plate 4 is provided with a temperature sensor 6, which is suitable for detecting the temperature of the heating plate 4 and is electrically connected to an external controller, which is suitable for controlling the heating temperature of the heating plate 4;
[0047] The lifting mechanism 5 is connected to the box body 1 and the heating plate 4 at the same time. The lifting mechanism 5 is suitable for driving the heating plate 4 to approach or move away from the substrate 3.
[0048] The oven provided in this embodiment is provided with a heating plate 4 in the box body 1 to reduce the time of drying the substrate 3, thereby improving the drying efficiency, and a temperature sensor 6 is provided on the heating plate 4 to control the heating temperature of the substrate 3 by the heating plate 4, thereby improving the quality of the pattern printed on the substrate 3; and the distance between the heating plate 4 and the substrate 3 is adjusted by the lifting mechanism 5 to further control the heating temperature of the substrate 3 by the heating plate 4, thereby preventing the substrate 3 from becoming brittle or deforming.
[0049] Specifically, combined Figure 1 , Figure 3 and Figure 5 As shown, the size of the through hole 2 is adapted to the size of the substrate 3, and at least a portion of the substrate 3 extends into the cavity through the through hole 2. Figure 1As shown, the substrate 3 can be inserted or passed out in the direction indicated by the arrow in the figure, or can be inserted or passed out in the opposite direction to that indicated by the arrow in the figure. Along the gravity direction, an air suction chamber 10 is formed above the internal cavity of the box body 1. A duct 9 is provided at the position of the side wall of the box body 1 corresponding to the air suction chamber 10. The duct 9 passes through the side wall of the box body 1 and is fixedly connected to the side wall of the box body 1. One end of the duct 9 is connected to the air suction chamber 10, and the other end is connected to the external fan. The external fan is suitable for making the duct 9 and the air suction chamber 10 in a negative pressure state. In the drying state, the gas generated by the ink on the substrate 3 during the evaporation process is collected through the air suction chamber and leaves the box body 1 through the duct 9 to keep the humidity inside the box body 1 constant within a certain range; in the non-drying state, a large amount of heat in the box body 1 can be taken away through the air suction chamber 10, thereby ensuring that the inside of the box body 1 is quickly cooled.
[0050] The heating plate 4 is arranged on one side of the substrate 3 to heat the substrate 3, and a temperature sensor 6 is also arranged on the heating plate 4 to detect the heating temperature of the heating plate 4. The heating plate 4 is electrically connected to an external controller to adjust the heating temperature of the heating plate 4 through the external controller, and is electrically connected to the external controller through the temperature sensor 6, so that when the temperature of the heating plate 4 is detected to be too high, the temperature of the heating plate 4 is controlled to be lowered through the external controller, or when the temperature of the heating plate 4 is detected to be too low, the temperature of the heating plate 4 is controlled to be raised through the external controller, so that the heating temperature of the heating plate 4 is constant within a certain range, so that the substrate 3 is also kept within a certain temperature range under the heating of the heating plate 4, thereby improving the quality of the pattern printed on the substrate 3. Preferably, the number of temperature sensors 6 is greater than one, and they are arranged in an equidistant array in a direction parallel to the main plane of the heating plate 4, so as to improve the reliability of the temperature sensor 6 in detecting the temperature of the heating plate 4.
[0051] The box 1 is provided with a lifting mechanism 5, which is connected to the heating plate 4 to drive the heating plate 4 to move closer to or away from the substrate 3. The heating effect of the heating plate 4 on the substrate 3 is inversely proportional to the distance between the heating plate 4 and the substrate 3. Figure 6 As shown, when the substrate 3 is dried, the lifting mechanism 5 drives the heating plate 4 to approach the substrate 3, or even abut against the substrate 3. As the distance is reduced, the substrate 3 obtains a higher amount of heat, thereby improving the drying efficiency and effect of the heating plate 4 on the substrate 3; Figure 7 As shown, in the non-drying state, the lifting mechanism 5 drives the heating plate 4 away from the substrate 3. As the distance increases, the amount of heat obtained by the substrate 3 is reduced, thereby further controlling the temperature of the substrate 3 within a certain temperature range to ensure that the substrate 3 does not become brittle or deformed.
[0052] In some embodiments, in combination Figure 1 , Figure 6 and Figure 7As shown, the main plane of the heating plate 4 is arranged parallel to the main plane of the substrate 3 .
[0053] In the oven provided in this embodiment, the main plane of the substrate 3 is parallel to the main plane of the heating plate 4, so that the heating plate 4 can perform planar heating on the substrate 3, which is beneficial to improving the temperature uniformity of the substrate 3.
[0054] In some embodiments, in combination Figure 1 , Figure 8 and Fig. 9 As shown, the heating plate 4 includes a substrate 41 and a graphene layer 42 fixedly connected to a main plane of the substrate 41 , and the graphene layer 42 is suitable for generating heat radiation after being powered on.
[0055] The oven provided in this embodiment heats the substrate 3 by generating heat radiation through the graphene layer 42, which is more energy-efficient than traditional hot air drying. In addition, infrared rays have a certain degree of penetrability, which is beneficial for making the thermal diffusion of the ink on the surface of the substrate 3 and the diffusion direction of the solvent consistent, thereby accelerating the drying process and improving the drying efficiency.
[0056] Specifically, the material of the substrate 41 is microcrystalline glass. The graphene layer 42 can be fixedly connected to the side of the substrate 41 close to the substrate 3, or fixedly connected to the side of the substrate 41 away from the substrate 3. Preferably, the graphene layer 42 is fixedly connected to the side of the substrate 41 away from the substrate 3, and the size of the main plane of the graphene layer 42 is adapted to the size of the main plane of the substrate 41, so that the graphene layer 42 covers the substrate 41. The graphene layer 42 will heat up quickly after being powered on, and emit heat and far infrared rays to the outside in the form of radiation and heat conduction, which saves more than 30% energy compared with the traditional hot air drying form. The infrared rays emitted by the graphene layer 42 have a certain degree of penetration. After the ink on the substrate 3 absorbs infrared radiation, the heat will gather inside. During the drying process, the solvent in the ink evaporates continuously, making its surface slightly lower than the internal temperature. Therefore, the process of solvent diffusion inside the ink is carried out from the inside to the outside. Since the directions of heat diffusion and solvent diffusion during the drying process are consistent, the drying process of the substrate 3 can be accelerated, thereby improving the drying efficiency.
[0057] In some embodiments, in combination Figure 1 , Figure 8 and Fig. 9 As shown, the heating plate 4 further includes a heat preservation layer 44 . The heat preservation layer 44 is located on a side of the graphene layer 42 away from the substrate 3 . The heat preservation layer 44 is suitable for reducing heat loss of the heating plate 4 .
[0058] The oven provided in this embodiment provides a heat preservation layer 44 on the side of the graphene layer 42 away from the substrate 3 to prevent heat loss, thereby making the temperature of the heating plate 4 more uniform and stable, and effectively reducing the loss of heat energy.
[0059] Specifically, the insulation layer 44 includes expanded polystyrene board (EPS board), extruded polystyrene board (XPS board), rubber powder polystyrene particle insulation slurry, polyurethane foam material, rock wool board, etc. When the graphene layer 42 is fixedly connected to the side of the substrate 41 away from the substrate 3, an insulating layer 43 is further provided between the graphene layer 42 and the insulation layer 44 to protect the graphene layer 42 and isolate the graphene layer 42 from the insulation layer 44. The insulation layer 43 includes insulating paint, insulating glue; fiber products; rubber, plastic and its products; glass, ceramic products; mica, asbestos and its products, etc.
[0060] In some embodiments, in combination Figure 1 , Figure 8 and Fig. 9 As shown, the heating plate 4 further includes a reflective layer 45 . The reflective layer 45 is located on a side of the graphene layer 42 away from the substrate 3 . The reflective layer 45 is suitable for reducing heat loss of the heating plate 4 .
[0061] The oven provided in this embodiment uses a reflective layer 45 instead of the thermal insulation layer 44 to reflect a large amount of heat toward the substrate 3, thereby improving the heating efficiency of the heating plate 4, shortening the heating time, and reducing energy loss; by using the reflective layer 45 instead of the thermal insulation layer 44, the thickness of the heating plate 4 can also be effectively reduced, which is beneficial to reducing the size of the heating plate 4 to adapt to more usage scenarios, thereby improving the applicability of the heating plate 4.
[0062] Specifically, when the graphene layer 42 is fixedly connected to the side of the substrate 41 close to the substrate 3, the reflective layer 45 can be located between the graphene layer 42 and the substrate 41, or can be located on the side of the substrate 41 away from the graphene layer 42, and the reflective layer 45 is suitable for reflecting the thermal radiation of the graphene layer 42 toward the substrate 3 to improve the heating efficiency; when the graphene layer 42 is fixedly connected to the side of the substrate 41 away from the substrate 3, the reflective layer 45 is located on the side of the graphene layer 42 away from the substrate 41, and the reflective layer 45 is suitable for reflecting the thermal radiation of the graphene layer 42 toward the substrate 3 to improve the heating efficiency. The reflective layer 45 includes a metal reflective film and an all-dielectric reflective film. The thickness of the reflective layer 45 is less than the thickness of the thermal insulation layer 44, so by using the reflective layer 45 instead of the thermal insulation layer 44, the thickness of the heating plate 4 can be reduced, thereby reducing the size of the heating plate 4 and improving the applicability of the heating plate 4. The insulating layer 43 is located on the side of the reflective layer 45 away from the graphene layer 42, so as to protect the graphene layer 42 and the reflective layer 45 and isolate the graphene layer 42 and the reflective layer 45 from other external structures. The insulating layer 43 includes insulating paint, insulating glue; fiber products; rubber, plastic and their products; glass, ceramic products; mica, asbestos and their products, etc.
[0063] In some embodiments, in combination Figure 1 , Figure 6 , Figure 7 , Figure 8 and Fig. 9 As shown, the wavelength of thermal radiation generated by the graphene layer 42 is 4 μm-14 μm.
[0064] In the oven provided in this embodiment, the infrared spectrum wavelength emitted by the graphene layer 42 is concentrated in 4μm-14μm, which is a typical medium and long infrared wave and can be effectively absorbed by the ink on the surface of the substrate 3. There is no need to use hot air circulation as a heating medium, and direct heating and rapid temperature rise can be achieved, with higher thermal efficiency.
[0065] In some embodiments, in combination Figure 1 , Figure 2 and Figure 4 As shown, a bracket 7 is provided between the lifting mechanism 5 and the heating plate 4 , and the bracket 7 is fixedly connected to the heating plate 4 . The lifting mechanism 5 is suitable for driving the bracket 7 to drive the heating plate 4 to approach or move away from the substrate 3 .
[0066] Specifically, the lifting mechanism 5 is connected to the support 7 , and the lifting mechanism 5 is suitable for driving the support 7 to move closer to or away from the substrate 3 .
[0067] In some embodiments, in combination Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the box body 1 is fixedly connected to the support 8, and the lifting mechanism 5 includes a follower 52, which is hinged to the support 8 and the bracket 7 at the same time. The follower 52 has a first state in which the heating plate 4 is driven to approach the substrate 3 through the bracket 7, and a second state in which the heating plate 4 is driven to move away from the substrate 3 through the bracket 7.
[0068] Specifically, the follower 52 has an extension portion 522, and a first connection portion 521 and a second connection portion 523 arranged at both ends of the extension portion 522 and arranged at an angle to the extension portion 522. The extension portion 522 is inserted into the support 8 and is rotatably connected to the support 8. The end of the second connection portion 523 away from the extension portion 522 is hinged to the bracket 7. The first connection portion 521 is suitable for driving the second connection portion 523 to rotate around the axis of the extension portion 522 through the extension portion 522. The second connection portion 523 is suitable for driving the bracket 7 to move closer to or away from the substrate 3 by rotating around the axis of the extension portion 522, and is fixedly connected to the heating plate 4 through the bracket 7, thereby driving the heating plate 4 to move closer to or away from the substrate 3. The extension portion 522 includes a cylindrical rod or a square rod; and / or the first connection portion includes a cylindrical rod or a square rod; and / or the second connection portion 523 includes a cylindrical rod or a square rod.
[0069] In some embodiments, in combination Figures 1 to 5As shown, the lifting mechanism 5 further includes a driving member 51 , one end of which is fixedly connected to the box body, and the other end of which is hinged to a driven member 52 . The driving member 51 is suitable for driving the driven member 52 to rotate relative to the support 8 .
[0070] Specifically, the other end of the driving member 51 is hinged to one end of the first connecting portion 521 away from the extending portion 522, and the first connecting portion 521 is adapted to rotate around the axis of the extending portion 522 under the drive of the driving member 51. The driving member 51 includes a servo motor, a hydraulic cylinder, and a pneumatic cylinder.
[0071] In some embodiments, in combination Figure 1 , Figure 3 and Figure 5 As shown, the number of substrates 3 includes at least one, the number of heating plates 4 matches the number of substrates 3 , and a plurality of heating plates 4 are fixedly connected to the bracket 7 at the same time.
[0072] The oven provided in this embodiment is fixedly connected to the multiple heating plates 4 through the bracket 7, so that the multiple heating plates 4 can be simultaneously moved close to or away from the substrate 3, thereby facilitating improving the use stability of the oven.
[0073] Specifically, the number of through holes 2 matches the number of substrates 3, each through hole 2 is suitable for one substrate 3 to pass through, and a heating plate 4 is provided on one side of each substrate 3, and multiple heating plates 4 are simultaneously fixedly connected to the bracket 7. Preferably, multiple substrates 3 are distributed in parallel and equidistantly.
[0074] Obviously, the above embodiments are only examples for clear explanation, and are not intended to limit the implementation methods. Although the embodiments of the present utility model are described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the present utility model, and such modifications and variations are all within the scope defined by the present utility model.
Claims
1. An oven, characterized in that: include: A box body (1) has a cavity inside, and a through hole (2) is opened on the side wall of the box body (1) at a position corresponding to the cavity, and the through hole (2) is suitable for a substrate (3) to pass through, so that the area of the substrate (3) to be dried is located in the cavity; A heating plate (4) is arranged in the cavity and located on one side of the substrate (3), and the heating plate (4) is suitable for heating the area of the substrate (3) to be dried; The heating plate (4) is provided with a temperature sensor (6), the temperature sensor (6) is suitable for detecting the temperature of the heating plate (4), and is electrically connected to an external controller, the external controller is suitable for controlling the heating temperature of the heating plate (4); A lifting mechanism (5) is connected to the box (1) and the heating plate (4) at the same time, and the lifting mechanism (5) is suitable for driving the heating plate (4) to move closer to or away from the substrate (3).
2. The oven according to claim 1, characterized in that The main plane of the heating plate (4) is arranged parallel to the main plane of the substrate (3).
3. The oven according to claim 1, characterized in that The heating plate (4) comprises a substrate (41) and a graphene layer (42) fixedly connected to a main plane of the substrate (41), wherein the graphene layer (42) is suitable for generating heat radiation after being powered on.
4. The oven according to claim 3, characterized in that The heating plate (4) further comprises a heat-insulating layer (44), wherein the heat-insulating layer (44) is located on a side of the graphene layer (42) away from the substrate (3), and the heat-insulating layer (44) is suitable for reducing heat loss of the heating plate (4).
5. The oven according to claim 3, characterized in that The heating plate (4) further comprises a reflective layer (45), wherein the reflective layer (45) is located on a side of the graphene layer (42) away from the substrate (3), and the reflective layer (45) is suitable for reducing heat loss of the heating plate (4).
6. The oven according to claim 4 or 5, characterized in that The thermal radiation wavelength generated by the graphene layer (42) is 4 μm-14 μm.
7. The oven according to any one of claims 1 to 5, characterized in that A bracket (7) is provided between the lifting mechanism (5) and the heating plate (4); the bracket (7) is fixedly connected to the heating plate (4); and the lifting mechanism (5) is suitable for driving the bracket (7) to move the heating plate (4) closer to or away from the substrate (3).
8. The oven according to claim 7, characterized in that The box body (1) is fixedly connected to a support (8), and the lifting mechanism (5) includes a follower (52), and the follower (52) is hinged to the support (8) and the bracket (7) at the same time. The follower (52) has a first state in which the heating plate (4) is driven to approach the substrate (3) through the bracket (7), and a second state in which the heating plate (4) is driven to move away from the substrate (3) through the bracket (7).
9. The oven according to claim 8, characterized in that The lifting mechanism (5) further comprises a driving member (51), one end of which is fixedly connected to the box body, and the other end of which is hinged to the driven member (52), and the driving member (51) is suitable for driving the driven member (52) to rotate relative to the support (8).
10. The oven according to claim 7, characterized in that The number of the substrates (3) includes at least one, the number of the heating plates (4) is adapted to the number of the substrates (3), and a plurality of the heating plates (4) are fixedly connected to the bracket (7) at the same time.