Metal heat treatment furnace

Abstract

The utility model relates to the technical field of heat treatment furnace equipment, in particular to a metal heat treatment furnace, which adopts the technical scheme that the metal heat treatment furnace comprises a furnace body internally provided with a cavity, and an upper cover arranged at the top end of the furnace body and hermetically connected with the furnace body, a heating device used for heating the inner container is arranged on the periphery of the outer side of the inner container, a motor is arranged at the top end of the upper cover, fan blades driven by the motor are arranged above the inner container, and the fan blades rotate to blow air in the inner container, so that heat in the inner container is evenly distributed. The heating device is arranged on the outer wall of the inner container to heat the inner container, the fan blades are arranged above the inner container, and the fan blades rotate to drive airflow in the inner container to move, so that heat in all areas in the inner container is uniformly distributed, and a better heating effect on metal is achieved; and meanwhile, the filling made of the heat insulation material is arranged in the narrow cavity of the furnace body, so that heat loss is prevented, and the utilization efficiency of a heat source is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of heat treatment furnace equipment, in particular to a metal heat treatment furnace. Background Art

[0002] Heat treatment is a very important process in industrial production, which is used to change the physical properties of metal materials, such as hardness and toughness, to meet different industrial needs. Traditional heat treatment furnaces usually use electric heating or gas heating, but these methods have problems such as uneven heating area, high heat loss rate, and low heat source utilization.

[0003] In view of this, we propose a metal heat treatment furnace to solve the existing problems. Utility Model Content

[0004] The purpose of the utility model is to provide a metal heat treatment furnace to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a metal heat treatment furnace, comprising a furnace body with a cavity inside, an upper cover arranged at the top of the furnace body and sealed with the furnace body, an inner liner for accommodating metal is arranged inside the cavity of the furnace body, a heating device for heating the inner liner is arranged around the outer side of the inner liner, a motor is arranged at the top of the upper cover, and fan blades driven by the motor are arranged above the inner liner, and the fan blades are rotated to blow air in the inner liner so that the heat in the inner liner is evenly distributed.

[0006] Preferably, a fixing part is installed on one side of the top of the upper cover, a motor is installed on one side of the top of the fixing part, a rotating shaft is installed inside the fixing part through a shaft sleeve, the output end of the motor is drivingly connected to the rotating shaft through a coupling, and the other end of the rotating shaft is connected to the fan blades.

[0007] Preferably, the heating device is a coil, and a plurality of groups of the heating device are provided, and the plurality of groups of the heating device are equidistantly wound on the outer wall of the inner tank along the vertical direction.

[0008] Preferably, a narrow cavity is provided in the side wall of the furnace body, and a filling for preventing heat loss is provided in the narrow cavity.

[0009] Preferably, the filling is made of heat insulating material.

[0010] Compared with the prior art, the utility model has the following beneficial effects: the utility model heats the inner tank by arranging a heating device on the outer wall of the inner tank, and a fan blade is arranged above the inner tank, and the rotation of the fan blade drives the air flow in the inner tank to make the heat in each area of ​​the inner tank evenly distributed, so as to better heat the metal. At the same time, a filling made of heat-insulating material is arranged in the narrow cavity of the furnace body to prevent heat loss and improve the utilization efficiency of the heat source. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the front cross-sectional structure of the utility model;

[0012] Figure 2 It is a three-dimensional structural schematic diagram of the utility model;

[0013] Figure 3 It is a side structural schematic diagram of the utility model.

[0014] In the figure: 1. upper cover; 2. inner tank; 3. furnace body; 4. filling; 5. heating device; 6. fan blades; 7. rotating shaft; 8. fixing part; 9. motor. DETAILED DESCRIPTION

[0015] The technical solution of the utility model is further described below in conjunction with the accompanying drawings and specific embodiments.

[0016] Embodiment 1

[0017] like Figure 1 , Figure 2 and Figure 3 As shown, a metal heat treatment furnace proposed by the utility model includes a furnace body 3 with a cavity inside, an upper cover 1 arranged at the top of the furnace body 3 and sealed with the furnace body 3, an inner liner 2 for accommodating metal is arranged inside the cavity of the furnace body 3, a heating device 5 for heating the inner liner 2 is arranged around the outer side of the inner liner 2, a motor 9 is arranged on the top of the upper cover 1, and a fan blade 6 driven by the motor 9 is arranged above the inner liner 2, and the fan blade 6 is rotated to blow the air in the inner liner 2 so that the heat in the inner liner 2 is evenly distributed.

[0018] In the embodiment, a fixing part 8 is installed on one side of the top of the upper cover 1, a motor 9 is installed on one side of the top of the fixing part 8, a rotating shaft 7 is installed inside the fixing part 8 through a sleeve, the output end of the motor 9 is driven and connected to the rotating shaft 7 through a coupling, and the other end of the rotating shaft 7 is connected to the fan blade 6.

[0019] In the embodiment, the heating device 5 is a coil, and multiple groups of heating devices 5 are provided. The multiple groups of heating devices 5 are equidistantly wound on the outer wall of the inner tank 2 along the vertical direction, and the heating devices 5 are used to heat the furnace body 3.

[0020] In the embodiment, a narrow cavity is arranged in the side wall of the furnace body 3, and a filler 4 is arranged in the narrow cavity to prevent heat loss.

[0021] In the embodiment, the filler 4 is made of a heat-insulating material to prevent heat from being radiated outward through the furnace body 3 .

[0022] The working principle of the metal heat treatment furnace based on the first embodiment is: when the utility model is used, the inner tank 2 is placed in the cavity of the furnace body 3, and the outer wall of the inner tank 2 is provided with a heating device 5 for heating the inner tank 2. Metal is added to the inner tank 2, the upper cover 1 is covered, and the power is turned on. The heating device 5 starts to heat the inner tank 2, and the motor 9 is started. The motor 9 drives the rotating shaft 7 to rotate through the output end, and then drives the fan blades 6 to rotate, thereby promoting the air flow in the inner tank 2, driving the heat flow, so that the heat in each area of ​​the inner tank 2 is evenly distributed, and a filling 4 made of a heat-insulating material is provided in the narrow cavity of the furnace body 3 to prevent heat loss.

[0023] The above-mentioned specific embodiments are only several preferred embodiments of the present invention. Based on the technical solution of the present invention and the relevant inspiration of the above-mentioned embodiments, those skilled in the art can make various alternative improvements and combinations to the above-mentioned specific embodiments.

Claims

1. A metal heat treatment furnace, comprising a furnace body (3) having a cavity therein, and an upper cover (1) arranged on the top of the furnace body (3) and sealedly connected to the furnace body (3), characterized in that: An inner container (2) for accommodating metal is arranged inside the cavity of the furnace body (3); a heating device (5) for heating the inner container (2) is arranged around the outer side of the inner container (2); a motor (9) is arranged at the top of the upper cover (1); and a fan blade (6) driven by the motor (9) is arranged above the inner container (2); the fan blade (6) rotates to blow air in the inner container (2), so that the heat in the inner container (2) is evenly distributed.

2. A metal heat treatment furnace according to claim 1, characterized in that: A fixing member (8) is installed on one side of the top end of the upper cover (1), a motor (9) is installed on one side of the top of the fixing member (8), a rotating shaft (7) is installed inside the fixing member (8) via a shaft sleeve, an output end of the motor (9) is drivingly connected to the rotating shaft (7) via a coupling, and the other end of the rotating shaft (7) is connected to the fan blade (6).

3. A metal heat treatment furnace according to claim 1, characterized in that: The heating device (5) is a coil, and a plurality of groups of the heating device (5) are provided. The plurality of groups of the heating device (5) are equidistantly wound on the outer wall of the inner container (2) along the vertical direction.

4. A metal heat treatment furnace according to claim 1, characterized in that: A narrow cavity is arranged in the side wall of the furnace body (3), and a filling (4) for preventing heat loss is arranged in the narrow cavity.

5. A metal heat treatment furnace according to claim 4, characterized in that: The filler (4) is made of heat insulating material.

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