High-efficiency multi-temperature-zone preheating cavity upper heating plate

Abstract

The utility model relates to the technical field of heating equipment, in particular to a high-efficiency multi-temperature-zone preheating cavity upper heating plate which comprises a heating plate body, the heating plate body comprises a bottom plate, a middle cover plate and an upper cover plate, and the middle cover plate is arranged between the bottom plate and the upper cover plate; an inner area and an outer area are arranged on the heating plate body, and heating pipes are arranged in the inner area and the outer area; the heating pipes are independently controlled, and heating wires are arranged in the heating pipes in a matched mode. The heating plate body further comprises a thermocouple and an outgoing line connector assembly which are arranged in a matched mode. According to the utility model, the temperature of the inner zone and the outer zone can be accurately adjusted through the independently controlled heating pipe, and the requirements of different processes on temperature zone control are met; due to accurate temperature control and monitoring, energy waste is reduced, and the heating efficiency is improved; and the reasonable temperature design ensures the safety of the heating plate in the use process.

Description

Technical Field

[0001] The utility model relates to the technical field of heating equipment, in particular to an upper heating plate of an efficient multi-temperature zone preheating cavity. Background Art

[0002] In industrial production, the preheating cavity is a key component, which is used to raise the temperature of materials to a specific level in various manufacturing processes to optimize subsequent processing steps or improve energy efficiency; many process procedures require preheating treatment of materials to meet specific process requirements. Traditional preheating equipment often adopts single-temperature zone control and is difficult to meet the requirements of complex processes for temperature zone control; therefore, it is of great significance to develop a heating plate that can efficiently and accurately control multiple temperature zones. Content of the Utility Model

[0003] To solve some problems existing in the above-mentioned prior art, the utility model provides an upper heating plate of an efficient multi-temperature zone preheating cavity.

[0004] To achieve the above object, the utility model provides an upper heating plate of an efficient multi-temperature zone preheating cavity, including a heating plate body, the heating plate body includes a bottom plate, a middle cover plate and an upper cover plate, and the middle cover plate is arranged between the bottom plate and the upper cover plate; an inner zone and an outer zone are arranged on the heating plate body, and heating tubes are arranged in both the inner zone and the outer zone; the heating tubes are independently controlled, and heating wires are arranged in the heating tubes in a matching manner; the heating plate body further includes a thermocouple and an outlet joint assembly arranged in a matching manner.

[0005] When the utility model works, first, the power supply is supplied to each heating tube through a direct outlet joint device or a reserved outlet joint device. The equipped sealing sleeve ensures the safety and tightness of the electrical connection, and a certain length of the power cord is reserved to meet the needs of different installation environments; the heating tubes are independently controlled to precisely adjust the temperatures of the inner zone and the outer zone, meeting the requirements of different processes for temperature zone control; during the heating process, the heating wires generate heat under the action of current, transfer the heat to the heating tubes, and then evenly dissipate the heat into the preheating cavity through the bottom plate, the middle cover plate and the upper cover plate; to ensure the accuracy of temperature control, the heating plate body also integrates a thermocouple and adopts a K-type double-branch design. One branch directly contacts the heating wire to monitor its temperature, and the other branch is embedded in the bottom plate to monitor the temperature of the bottom plate, so as to realize real-time monitoring and feedback adjustment of the heating process; the working temperature of the heating tubes is strictly controlled not to be higher than 350 °C to prevent damage caused by overheating; at the same time, the surface and the periphery of the bottom plate are treated by hard anodization, enhancing its corrosion resistance and wear resistance and prolonging the service life of the heating plate; to ensure the stability of the heating plate structure, the middle cover plate and the upper cover plate are respectively stably fixed on the bottom plate through fastening components in the spacer holes and installation screws in the lifting holes, improving the overall stability of the heating plate and being convenient for installation and maintenance at the same time.

[0006] The beneficial effects of the present utility model are as follows: An upper heating plate of an efficient multi-temperature zone preheating chamber. The utility model realizes precise adjustment of the temperatures of the inner zone and the outer zone through independently controlled heating tubes, meeting the requirements of different processes for temperature zone control; the precise temperature control and monitoring reduce energy waste and improve the heating efficiency; the reasonable temperature design ensures the safety of the heating plate during use.

[0007] As a further improvement of the present utility model, in order to enhance the sealing performance and safety, and at the same time provide power cord connection to improve the flexibility of installation; the wire outlet joint assembly includes a direct wire outlet joint device and a reserved wire outlet joint device, and sealing sleeves are cooperatively installed on the outer sides of the direct wire outlet joint device and the reserved wire outlet joint device; the direct wire outlet joint device and the reserved wire outlet joint device are both further provided with power cords, and the power cords are provided with several meters.

[0008] As a further improvement of the present utility model, in order to achieve close cooperation between components and improve the overall stability; both the middle cover plate and the upper cover plate are provided with pad holes and lifting holes, and several of each are provided; fastening components and installation screws are respectively cooperatively arranged in the pad holes and the lifting holes, and are fixedly installed on the bottom plate through the fastening components and the installation screws.

[0009] As a further improvement of the present utility model, in order to monitor the heating temperature in real time, realize the control of the overall temperature of the heating plate, and improve the working efficiency; the thermocouple adopts a K-type double-branch design, one branch of the thermocouple contacts the heating wire, and the other branch of the thermocouple is embedded in the bottom plate.

[0010] As a further improvement of the present utility model, in order to ensure safety during use; the working temperature of the heating tube is not higher than 350 °C.

[0011] As a further improvement of the present utility model, in order to improve the corrosion resistance and wear resistance and extend the service life; the surface and the periphery of the bottom plate are treated by hard anodization. Description of the Drawings

[0012] For the convenience of those skilled in the art to understand, the present utility model will be further described below in conjunction with the drawings:

[0013] Figure 1 It is a three-dimensional view of the present utility model.

[0014] Figure 2 It is a top view of the present utility model.

[0015] Figure 3 It is a left side sectional view of the present utility model.

[0016] Figure 4This is a schematic structural diagram of the bottom plate in the present utility model.

[0017] Figure 5 This is a schematic diagram of the heating tube arrangement in the present utility model.

[0018] Among them, 1 is the heating plate body, 2 is the bottom plate, 3 is the middle cover plate, 4 is the upper cover plate, 5 is the pad hole, 6 is the fastening assembly, 7 is the mounting screw, 8 is the lifting hole, 9 is the direct wire outlet joint device, 10 is the reserved wire outlet joint device, 11 is the sealing sleeve, 12 is the heating tube, 13 is the heating wire, and 14 is the thermocouple. Specific embodiments

[0019] As Figures 1-5 shown, a high-efficiency multi-temperature zone preheating chamber upper heating plate includes a heating plate body 1. The heating plate body 1 includes a bottom plate 2, a middle cover plate 3 and an upper cover plate 4. The middle cover plate 3 is arranged between the bottom plate 2 and the upper cover plate 4. The heating plate body 1 is provided with an inner zone and an outer zone, and heating tubes 12 are arranged in both the inner zone and the outer zone. The heating tubes 12 are independently controlled, and heating wires 13 are arranged in cooperation with the heating tubes 12. The heating plate body 1 further includes a thermocouple 14 and a wire outlet joint assembly arranged in cooperation. The wire outlet joint assembly includes a direct wire outlet joint device 9 and a reserved wire outlet joint device 10. Sealing sleeves 11 are arranged in cooperation on the outer sides of the direct wire outlet joint device 9 and the reserved wire outlet joint device 10. Power lines are arranged on both the direct wire outlet joint device 9 and the reserved wire outlet joint device 10, and the power lines are provided with several meters. Pad holes 5 and lifting holes 8 are arranged on both the middle cover plate 3 and the upper cover plate 4, and several pad holes 5 and lifting holes 8 are provided. Fastening assemblies 6 and mounting screws 7 are arranged in cooperation in the pad holes 5 and the lifting holes 8 respectively, and are fixedly installed on the bottom plate 2 through the fastening assemblies 6 and the mounting screws 7. The thermocouple 14 adopts a K-type double-branch design. One branch of the thermocouple 14 contacts the heating wire, and the other branch of the thermocouple 14 is embedded in the bottom plate 2. The working temperature of the heating tube 12 is not higher than 350 °C. The surface and the periphery of the bottom plate 2 are subjected to hard anodizing treatment.

[0020] When the utility model works, first, the power supply is supplied to each heating tube 12 through the direct outlet joint device 9 or the reserved outlet joint device 10. The equipped sealing sleeve 11 ensures the safety and tightness of the electrical connection. A certain length of the power cord is reserved to meet the needs of different installation environments. The heating tubes 12 are independently controlled to achieve precise adjustment of the temperatures in the inner area and the outer area, meeting the requirements of temperature zoning control for different processes. During the heating process, the heating wire 13 generates heat under the action of an electric current, transfers the heat to the heating tubes 12, and then evenly dissipates the heat to the preheating cavity through the bottom plate 2, the middle cover plate 3, and the upper cover plate 4. To ensure the accuracy of temperature control, the heating plate body 1 also integrates a thermocouple 14 and adopts a K-type double-branch design. One branch directly contacts the heating wire to monitor its temperature, and the other branch is embedded in the bottom plate 2 to monitor the bottom plate temperature, thereby realizing real-time monitoring and feedback adjustment of the heating process. The working temperature of the heating tubes 12 is strictly controlled not to exceed 350 °C to prevent damage caused by overheating. At the same time, the surface and the periphery of the bottom plate 2 are subjected to hard anodizing treatment, enhancing its corrosion resistance and wear resistance and prolonging the service life of the heating plate. To ensure the stability of the heating plate structure, the middle cover plate 3 and the upper cover plate 4 are stably fixed on the bottom plate 2 respectively through the fastening components 6 in the spacer holes 5 and the mounting screws 7 in the lifting holes 8, improving the overall stability of the heating plate and being convenient for installation and maintenance.

[0021] The above are only the preferred embodiments of the utility model. The protection scope of the utility model is not limited to the above embodiments. Any technical solutions falling within the idea of the utility model belong to the protection scope of the utility model. It should be pointed out that for those of ordinary skill in the art in this technical field, several improvements and refinements made without departing from the principle of the utility model should also be regarded as within the protection scope of the utility model.

Claims

1. An upper heating plate of an efficient multi-temperature zone preheating cavity, comprising a heating plate body (1), characterized in that: The heating plate body (1) includes a bottom plate (2), a middle cover plate (3) and an upper cover plate (4), and the middle cover plate (3) is arranged between the bottom plate (2) and the upper cover plate (4); an inner area and an outer area are provided on the heating plate body (1), and heating tubes (12) are arranged in both the inner area and the outer area; the heating tubes (12) are independently controlled, and heating wires (13) are arranged in the heating tubes (12) in a matching manner; the heating plate body (1) further includes a thermocouple (14) and an outlet joint assembly arranged in a matching manner.

2. An upper heating plate of an efficient multi-temperature zone preheating cavity according to claim 1, characterized in that: The outlet joint assembly includes a direct outlet joint device (9) and a reserved outlet joint device (10), and sealing sleeves (11) are installed in a matching manner on the outer sides of the direct outlet joint device (9) and the reserved outlet joint device (10); power lines are also arranged on both the direct outlet joint device (9) and the reserved outlet joint device (10), and the power lines are several meters long.

3. The upper heating plate of an efficient multi-temperature zone preheating chamber according to claim 1, characterized in that: Pad holes (5) and lifting holes (8) are provided on both the middle cover plate (3) and the upper cover plate (4), and several of each of the pad holes (5) and the lifting holes (8) are provided; fastening components (6) and mounting screws (7) are respectively arranged in the pad holes (5) and the lifting holes (8) in a matching manner, and are fixedly installed on the bottom plate (2) through the fastening components (6) and the mounting screws (7).

4. An upper heating plate of an efficient multi-temperature zone preheating cavity according to claim 1, characterized in that: The thermocouple (14) adopts a K-type double-branch design. One branch of the thermocouple (14) contacts the heating wire, and the other branch of the thermocouple (14) is embedded in the bottom plate (2).

5. An upper heating plate of an efficient multi-temperature zone preheating chamber according to claim 1, characterized in that: The working temperature of the heating tube (12) is not higher than 350 °C.

6. The upper heating plate of an efficient multi-temperature zone preheating chamber according to claim 1, characterized in that: The surface and the periphery of the bottom plate (2) are subjected to hard anodizing treatment.

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