Aluminum profile temperature control quenching furnace and operation method

Abstract

The invention provides an aluminum profile temperature control quenching furnace and an operation method, and relates to the technical field of quenching furnaces, the aluminum profile temperature control quenching furnace comprises a furnace body for placing metal parts, an inner container is arranged in the furnace body, a pipeline assembly penetrating into the furnace body is arranged outside the furnace body, and the pipeline assembly is communicated with three groups of electronic valves; the three sets of electronic valves are connected with a vacuumizing mechanism, a blowing mechanism and a nitrogen inflation mechanism correspondingly, a plurality of heating assemblies are installed between the furnace body and the inner container, and the inner container is provided with a vent groove and communicated with the interior of the furnace body. According to the metal part quenching furnace, the metal part can be prevented from being directly irradiated by a heating source, the metal part is uniformly heated by dispersing gas into the furnace body, the condition of non-uniform heating of the metal part can be avoided, the quenching quality of the metal part is improved, and then the quality of the metal part is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of quenching furnaces, and in particular to an aluminum profile temperature-controlled quenching furnace and an operating method thereof. Background Art

[0002] Quenching is a metal treatment process in which a metal part is heated to a target temperature and held for a certain period of time. The hot metal part is then removed and immersed in a quenching medium for rapid cooling. After quenching, the metal part's strength, hardness, and toughness are significantly improved, thereby meeting the different usage requirements of various mechanical parts. Different parts require different temperature control requirements. When the metal is further heated, the furnace itself is in a physical form, and heat will be lost. As the heat is lost, the temperature inside the furnace will drop, and the temperature needs to be continuously increased to raise the temperature inside the furnace. Existing solutions include open flame heating furnaces and electric heating furnaces. Their heating points are all located on the side walls of the furnace and bake the furnace to increase the temperature inside the furnace. During the heating process, the sensors in the furnace may be misjudged by the heating point, resulting in the possibility of inaccurate temperature monitoring inside the furnace. At the same time, during the heating process, the metal parts in the furnace may be unevenly heated due to uneven heating at the edges and center, affecting the strength and hardness of the metal parts, and thus affecting the quality of the metal parts. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to provide an aluminum profile temperature-controlled quenching furnace and an operating method to solve the problem that the quenching furnace cannot heat metal parts uniformly.

[0004] Based on the technical problems existing in the background technology, the present invention proposes a temperature-controlled quenching furnace and method for aluminum profiles, including a furnace body for placing metal parts, an inner tank provided in the furnace body, and a pipe assembly penetrating into the interior of the furnace body provided outside the furnace body. The pipe assembly connects three groups of electronic valves, and the three groups of electronic valves are respectively connected to a vacuum pumping mechanism, a blower mechanism and a nitrogen inflation mechanism. Multiple heating components are installed between the furnace body and the inner tank, and the inner tank is provided with a ventilation groove and is connected to the interior of the furnace body.

[0005] Preferably, the cross-section of the inner liner is an inverted mushroom shape, and the inner liner includes a lower liner part and an upper liner part, the upper liner part is connected to the lower liner part, and ventilation grooves are provided on one side of the lower liner part facing the upper liner part and on both sides of the upper liner part.

[0006] Preferably, a bracket is installed in the inner liner and is located above the lower liner portion.

[0007] Preferably, the furnace body comprises an outer shell and an inner shell, an interlayer is provided between the outer shell and the inner shell, and a water tank is installed in the interlayer.

[0008] Preferably, a temperature sensor is installed outside the furnace body and penetrates into the inner container.

[0009] The invention discloses an operating method of an aluminum profile temperature-controlled quenching furnace, which is applicable to an aluminum profile temperature-controlled quenching furnace. The operating method comprises: a vacuuming mechanism is connected to a pipeline through an electronic valve to vacuum the air in an inner tank, and then another electronic valve is controlled to connect to a nitrogen charging mechanism and fill nitrogen into the furnace body, and then a heating component is started.

[0010] Preferably, after the nitrogen filling mechanism finishes operating, the electronic valve can allow the blowing mechanism to communicate with the furnace body and blow air into the ventilation groove.

[0011] Preferably, after the metal parts in the furnace body are heated, the blower mechanism can continue to blow air on the metal parts to lower the temperature of the metal parts. When the metal parts are lowered to the target temperature, the door of the furnace body is opened to take out the metal parts.

[0012] Compared with the prior art, the aluminum profile temperature-controlled quenching furnace and method proposed in the present invention adopt the above technical solution to achieve the following technical effects:

[0013] The present invention can prevent metal parts from being directly irradiated by the heating source, and evenly heats the metal parts inside the gas dispersion furnace, thereby avoiding uneven heating of the metal parts, improving the quality of quenching of the metal parts, and thus improving the quality of the metal parts; the present invention heats and cools the metal parts by first vacuuming and then filling with pure gas, thereby avoiding oxidation reactions of the metal parts during high temperature and cooling processes, and improving the purity of the surface of the metal parts after quenching. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0015] Figure 2 It is a front view of the overall structure of the present invention;

[0016] Figure 3 The figure is a flow chart of the method steps of the present invention.

[0017] In the figure: 1. Furnace body; 2. Inner tank; 3. Pipe assembly; 4. Electronic valve; 5. Heating assembly; 21. Ventilation groove; 22. Lower tank part; 23. Upper tank part; 11. Outer shell; 12. Inner shell; 13. Interlayer; 14. Water tank; 6. Temperature sensor. DETAILED DESCRIPTION

[0018] Example

[0019] Reference Figure 1-Figure 2The present invention proposes a temperature-controlled quenching furnace and method for aluminum profiles, comprising a furnace body 1 for placing metal parts, an inner tank 2 provided in the furnace body 1, a pipe assembly 3 penetrating into the interior of the furnace body 1 provided outside the furnace body 1, the pipe assembly 3 connecting three groups of electronic valves 4, the three groups of electronic valves 4 being respectively connected to a vacuuming mechanism, a blowing mechanism and a nitrogen filling mechanism, a plurality of heating components 5 being installed between the furnace body 1 and the inner tank 2, the inner tank 2 being provided with a ventilation groove 21 and being connected to the interior of the furnace body 1; in this solution, the material of the inner tank 2 is a heat-insulating material, which can isolate the surrounding heating components 5 from the heat. Penetrating irradiation allows metal parts to be heated only by the flow of gas. The vacuum device is connected to an electronic valve 4 to extract the air in the furnace body 1 and detect the airtightness of the device. The nitrogen filling mechanism can fill the furnace body 1 with gas to provide a medium for heat conduction in the furnace body 1, which can prevent some gases in the air from reacting with the metal during the quenching process of the metal parts. The blowing mechanism can accelerate the uniform distribution of temperature in the furnace body 1, so that the metal parts in the furnace body 1 can be heated evenly.

[0020] In the specific implementation manner, reference Figure 1 、 Figure 2 The cross-section of the inner liner 2 is an inverted mushroom shape. The inner liner 2 includes a lower liner portion 22 and an upper liner portion 23. The upper liner portion 23 is connected to the lower liner portion 22. A ventilation groove 21 is provided on one side of the lower liner portion 22 facing the upper liner portion 23 and on both sides of the upper liner portion 23. In this scheme, the opening of the pipeline communicating with the inner shell 12 faces the ventilation groove 21. When nitrogen is filled in the furnace body 1, the heating component 5 in the furnace body 1 will be heated, and its main heat is located between the inner liner 2 and the inner shell 12. The blowing mechanism will blow air inward through the pipeline to make the gas in the furnace body 1 flow and blow it into the inner liner 2 from the two ventilation grooves. The nitrogen will carry heat to convect in the inner liner 2 and diffuse above the inner liner 2, thereby making the gas temperature in the inner liner 2 uniform, which can evenly heat the metal parts. At the same time, the heating component 5 outside the inner liner 2 and the heat can have a heat preservation effect.

[0021] In the specific implementation manner, reference Figure 1 、 Figure 2 A bracket is installed in the inner liner 2 and is located above the lower liner portion 22. A bracket is provided in the inner liner 2 to facilitate the placement of metal parts.

[0022] In the specific implementation manner, reference Figure 1 、 Figure 2 The furnace body 1 includes an outer shell 11 and an inner shell 12, and an interlayer 13 is provided between the outer shell 11 and the inner shell 12, and a water tank is installed in the interlayer 13; in this solution, the inner shell 12 is made of heat-insulating material, and the water tank installed in the interlayer 13 can absorb excess heat, avoiding the risk of burns to personnel caused by excessive temperature outside the outer shell 11, thereby improving safety.

[0023] In the specific implementation manner, reference Figure 1 、 Figure 2 A temperature sensor 6 is installed outside the furnace body 1 and penetrates the inner tank 2. The temperature inside the inner tank 2 may be different from the temperature outside the inner tank 2. Therefore, installing the temperature sensor 6 inside the inner tank 2 can more accurately detect the heating temperature of the metal parts and make the heating of the metal parts more accurate.

[0024] Reference Figure 3 , a method for operating an aluminum profile temperature-controlled quenching furnace, which is applicable to an aluminum profile temperature-controlled quenching furnace. The operating method includes: the vacuum mechanism is connected to the pipeline through the electronic valve 4 and the air in the inner tank 2 is vacuumed, and then another electronic valve 4 is controlled to connect to the nitrogen charging mechanism and fill the furnace body 1 with nitrogen, and then the heating component 5 is started. The gas used in this scheme is nitrogen, and it can also be other gases that do not react with metal parts during the quenching process.

[0025] In the specific implementation manner, reference Figure 1 After the nitrogen charging mechanism is finished running, the electronic valve 4 can allow the blowing mechanism to communicate with the furnace body 1 and blow air into the ventilation groove 21. The blowing mechanism can keep the temperature in the inner container 2 in a uniform state.

[0026] In the specific implementation manner, reference Figure 3 After the metal parts in the furnace body 1 are heated, the blower mechanism can continue to blow air on the metal parts to lower the temperature of the metal parts. When the metal parts are lowered to the target temperature, the door of the furnace body 1 is opened to take out the metal parts. During the cooling process, the metal parts can avoid contact with oxygen, which can reduce the content of the oxide layer on the surface of the metal parts, thereby improving the quality of the metal parts.

[0027] The above are only preferred specific embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with this technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solutions and inventive concepts of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A temperature-controlled quenching furnace for aluminum profiles, characterized in that: The invention comprises a furnace body (1) for placing metal parts, an inner container (2) being arranged in the furnace body (1), a pipe assembly (3) penetrating into the interior of the furnace body (1) being arranged outside the furnace body (1), the pipe assembly (3) being connected to three groups of electronic valves (4), the three groups of electronic valves (4) being respectively connected to a vacuum pumping mechanism, a blower mechanism and a nitrogen charging mechanism, a plurality of heating assemblies (5) being installed between the furnace body (1) and the inner container (2), and a ventilation groove (21) being provided in the inner container (2) and being in communication with the interior of the furnace body (1).

2. The aluminum profile temperature controlled quenching furnace according to claim 1, characterized in that: The cross section of the inner liner (2) is in the shape of an inverted mushroom. The inner liner (2) comprises a lower liner portion (22) and an upper liner portion (23). The upper liner portion (23) is connected to the lower liner portion (22). Ventilation grooves (21) are provided on one side of the lower liner portion (22) facing the upper liner portion (23) and on both sides of the upper liner portion (23).

3. The aluminum profile temperature controlled quenching furnace and method according to claim 2, characterized in that: A bracket is installed in the inner liner (2) and is located above the lower liner portion (22).

4. The aluminum profile temperature controlled quenching furnace according to claim 1, characterized in that: The furnace body (1) comprises an outer shell (11) and an inner shell (12); an interlayer (13) is provided between the outer shell (11) and the inner shell (12); and a water tank (14) is installed in the interlayer (13).

5. The aluminum profile temperature controlled quenching furnace and method according to claim 1, characterized in that: A temperature sensor (6) is installed outside the furnace body (1) and penetrates into the inner container (2).

6. A method for operating an aluminum profile temperature-controlled quenching furnace, characterized in that: The aluminum profile temperature-controlled quenching furnace according to any one of claims 1 to 5 is applicable, and the operating method includes: a vacuuming mechanism is connected to a pipeline through an electronic valve (4) and the air in the inner tank (2) is vacuumed, and then another electronic valve (4) is controlled to connect to a nitrogen charging mechanism and fill nitrogen into the furnace body (1), and then the heating component (5) is started.

7. The method for operating an aluminum profile temperature-controlled quenching furnace according to claim 6, characterized in that: After the nitrogen gas charging mechanism has finished operating, the electronic valve (4) allows the air blowing mechanism to communicate with the furnace body (1) and blow air into the ventilation groove (21).

8. The method for operating an aluminum profile temperature-controlled quenching furnace according to claim 7, characterized in that: After the metal parts in the furnace body (1) are heated, the blower mechanism can continue to blow air on the metal parts to lower the temperature of the metal parts. When the metal parts are lowered to the target temperature, the door of the furnace body (1) is opened to take out the metal parts.

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