Nitriding furnace for aluminum mold machining

Abstract

The utility model provides a nitriding furnace for aluminum mold processing, which relates to the technical field of nitriding furnaces and comprises a nitriding furnace body, an inner shell is arranged in the nitriding furnace body, a lifting motor is mounted at the bottom of the inner shell, a threaded rod is mounted at the top of the lifting motor, one end of the threaded rod penetrates through the bottom of the inner shell, and the other end of the threaded rod penetrates through the bottom of the inner shell. A second connecting block is arranged on the outer side of the threaded rod, a placing frame is arranged on the side face of the second connecting block, and a guide column is arranged at the bottom of the inner side of the inner shell. The threaded rod is electrically driven by the lifting motor, so that the second connecting block drives the placement frame to ascend and descend on the outer side of the threaded rod, the guide columns facilitate guiding, a mold can be conveniently placed in a furnace and taken out of the furnace through the placement frame, and accidents caused by manual mold putting are avoided; and meanwhile, the labor burden of workers is relieved, the labor cost is saved, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of nitriding furnaces, in particular to a nitriding furnace for aluminum mold processing. Background Art

[0002] Nitriding furnace is a device with nitriding treatment, which has the characteristics of low treatment temperature, short treatment time, small deformation of workpiece, high fatigue limit and good wear resistance. Nitriding treatment refers to a chemical heat treatment process that allows nitrogen atoms to penetrate into the surface of the workpiece in a certain medium at a certain temperature. Products treated with nitriding have excellent wear resistance, fatigue resistance, corrosion resistance and high temperature resistance.

[0003] Although the existing nitriding furnace can process the mold, it is necessary to manually place the mold into the nitriding furnace, and then manually take it out after the mold processing is completed. This has a high risk factor and high labor cost, which leads to reduced work efficiency. Utility Model Content

[0004] The purpose of the utility model is to solve the problem in the prior art that although the existing nitriding furnace can process the mold, it is necessary to manually put the mold into the nitriding furnace, and after the mold processing is completed, it is necessary to manually take it out, which has a high risk factor and high labor cost, thereby reducing work efficiency. A nitriding furnace for aluminum mold processing is proposed.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a nitriding furnace for aluminum mold processing, comprising a nitriding furnace body, an inner shell is arranged inside the nitriding furnace body, a lifting motor is installed at the bottom of the inner shell, a threaded rod is installed on the top of the lifting motor, one end of the threaded rod passes through the bottom of the inner shell, a second connecting block is arranged on the outside of the threaded rod, a placement rack is arranged on the side of the second connecting block, a guide column is arranged on the inner bottom of the inner shell, a first connecting block is arranged on the outside of the guide column, and the side of the first connecting block is connected to the outer wall of the placement rack.

[0006] Preferably, a filter box is provided on the side of the nitriding furnace body, a filter element is installed inside the filter box, a filter screen is installed inside the filter box, the filter screen is arranged below the filter element, and an exhaust fan is arranged at the inner bottom of the filter box.

[0007] Preferably, a heating tube is provided between the nitriding furnace body and the inner shell, one end of the heating tube is connected to a connecting tube, and one end of the connecting tube is provided with a heater.

[0008] Preferably, a furnace cover is provided on the top of the inner shell, a support frame is provided on the top of the furnace cover, a motor is installed on the top of the support frame, a transmission shaft is connected to the bottom of the motor, and a fan is connected to one end of the transmission shaft.

[0009] Preferably, a side support plate is provided on the side of the nitriding furnace body, and a hydraulic cylinder is provided on the top of the side support plate.

[0010] Preferably, an exhaust pipe is connected to the bottom of the filter box, and one end of the exhaust pipe passes through the side surfaces of the nitriding furnace body and the inner shell.

[0011] Preferably, a gas outlet is provided on the top of the filter box, and a support column is installed on the bottom of the nitriding furnace body.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are:

[0013] 1. In the utility model, the threaded rod is electrically driven by the lifting motor, so that the second connecting block drives the placement rack to lift and lower on the outside of the threaded rod. The guide column is conducive to guiding, so that the placement rack can place and take out the mold in the furnace conveniently, avoiding accidents caused by manual placement of the mold, and at the same time helping to reduce the labor burden of workers, saving labor costs and improving work efficiency.

[0014] 2. In the utility model, the exhaust gas inside the nitriding furnace body is extracted by an exhaust fan and passed through a filter screen and a filter element, which is conducive to effectively filtering the exhaust gas and effectively removing harmful substances and particulate matter contained in the exhaust gas, avoiding the direct release of harmful substances into the air, helping to reduce air pollution, and thus protecting the environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model provides a three-dimensional structural schematic diagram of a nitriding furnace for aluminum mold processing;

[0016] Figure 2 This is another structural schematic diagram of a nitriding furnace for aluminum mold processing proposed by the utility model;

[0017] Figure 3 The utility model provides a schematic diagram of the internal cross-sectional structure of a nitriding furnace for aluminum mold processing;

[0018] Figure 4 The utility model provides a partial cross-sectional structural schematic diagram of a nitriding furnace for aluminum mold processing;

[0019] Figure 5 The utility model provides a schematic diagram of the structure of a filtering component of a nitriding furnace for aluminum mold processing.

[0020] Legend: 1. Nitriding furnace body; 2. Support column; 3. Filter box; 4. Air outlet; 5. Motor; 6. Support frame; 7. Heater; 8. Hydraulic cylinder; 9. Side support plate; 10. Exhaust pipe; 11. Heating pipe; 12. Inner shell; 13. Fan; 14. Lifting motor; 15. Threaded rod; 16. Guide column; 17. First connecting block; 18. Second connecting block; 19. Placement rack; 20. Filter element; 21. Filter net; 22. Exhaust fan; 23. Furnace cover. DETAILED DESCRIPTION

[0021] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0022] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0023] Example 1

[0024] like Figure 1-Figure 5 As shown, the utility model provides a technical solution: a nitriding furnace for aluminum mold processing, comprising a nitriding furnace body 1, an inner shell 12 is arranged inside the nitriding furnace body 1, a lifting motor 14 is installed at the bottom of the inner shell 12, a threaded rod 15 is installed on the top of the lifting motor 14, one end of the threaded rod 15 passes through the bottom of the inner shell 12, a second connecting block 18 is arranged on the outside of the threaded rod 15, a placement rack 19 is arranged on the side of the second connecting block 18, a guide column 16 is arranged on the inner bottom of the inner shell 12, a first connecting block 17 is arranged on the outside of the guide column 16, the side of the first connecting block 17 is connected to the outer wall of the placement rack 19, a side support plate 9 is arranged on the side of the nitriding furnace body 1, and a hydraulic cylinder 8 is arranged on the top of the side support plate 9.

[0025] In this embodiment, the threaded rod 15 is electrically driven by the lifting motor 14, so that the second connecting block 18 drives the placement rack 19 to lift and lower on the outside of the threaded rod 15. The guide column 16 is conducive to guiding, so that the placement rack 19 can place and take out the mold in the furnace, avoiding accidents caused by manual placement of the mold. At the same time, it is conducive to reducing the labor burden of workers, saving labor costs, and improving work efficiency. The side support plate 9 is conducive to providing support for the hydraulic cylinder 8, so that the furnace cover 23 is convenient to open through the hydraulic cylinder 8.

[0026] Example 2

[0027] like Figure 1-Figure 5As shown, a filter box 3 is provided on the side of the nitriding furnace body 1, a filter element 20 is installed inside the filter box 3, a filter screen 21 is installed inside the filter box 3, the filter screen 21 is arranged below the filter element 20, an exhaust fan 22 is arranged at the inner bottom of the filter box 3, a heating tube 11 is arranged between the nitriding furnace body 1 and the inner shell 12, one end of the heating tube 11 is connected to a connecting tube, one end of the connecting tube is provided with a heater 7, a furnace cover 23 is provided on the top of the inner shell 12, a support frame 6 is provided on the top of the furnace cover 23, a motor 5 is installed on the top of the support frame 6, a transmission shaft is connected to the bottom of the motor 5, and a fan 13 is connected to one end of the transmission shaft, an exhaust pipe 10 is connected to the bottom of the filter box 3, one end of the exhaust pipe 10 passes through the sides of the nitriding furnace body 1 and the inner shell 12, an air outlet 4 is provided on the top of the filter box 3, and a support column 2 is installed on the bottom of the nitriding furnace body 1.

[0028] In this embodiment, the exhaust pipe 10 facilitates the discharge of waste gas generated during the processing. The exhaust gas inside the nitriding furnace body 1 is extracted by the exhaust fan 22 and passes through the filter 21 and the filter element 20, which is conducive to effectively filtering the waste gas and effectively removing harmful substances and particulate matter contained in the waste gas, avoiding the direct release of harmful substances into the air, helping to reduce air pollution, and thus protecting the environment. The air outlet 4 facilitates the discharge of filtered gas, and is heated by the heater 7 so that the heating tube 11 releases heat evenly, thereby ensuring that the inner shell 12 is heated. After the mold processing is completed, the furnace cover 23 is opened by the hydraulic cylinder 8, and the transmission shaft is driven by the motor 5, thereby driving the fan 13 to rotate, thereby effectively cooling the mold, and the support column 2 provides stable support for the nitriding furnace body 1.

[0029] The working principle of this embodiment is as follows: when in use, the furnace cover 23 is first opened by the hydraulic cylinder 8, and then the threaded rod 15 is electrically driven by the lifting motor 14, so that the second connecting block 18 drives the placement rack 19 to rise on the outside of the threaded rod 15, and the guide column 16 is conducive to guiding, so that the placement rack 19 can place the mold into the furnace, and then the placement rack 19 is controlled to descend, so that the placement rack 19 drives the mold to be placed inside the inner shell 12, and then the heater 7 is used to heat it, so that the heating tube 11 releases heat evenly, thereby ensuring that the inner shell 12 After the mold is processed, the exhaust gas inside the nitriding furnace body 1 is extracted by the exhaust fan 22, and passes through the filter screen 21 and the filter element 20, which is conducive to effectively filtering the exhaust gas. The gas outlet 4 facilitates the discharge of the filtered gas. Then, the furnace cover 23 is opened by the hydraulic cylinder 8, and then the transmission shaft is driven by the motor 5, thereby driving the fan 13 to rotate, so as to effectively cool the mold. Finally, the second connecting block 18 is controlled to rise by the lifting motor 14, thereby driving the placement rack 19 to rise, which is convenient for the operator to take the material from the mold after processing.

[0030] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A nitriding furnace for aluminum mold processing, comprising a nitriding furnace body (1), characterized in that: An inner shell (12) is arranged inside the nitriding furnace body (1), a lifting motor (14) is installed at the bottom of the inner shell (12), a threaded rod (15) is installed at the top of the lifting motor (14), one end of the threaded rod (15) passes through the bottom of the inner shell (12), a second connecting block (18) is arranged on the outer side of the threaded rod (15), a placement rack (19) is arranged on the side of the second connecting block (18), a guide column (16) is arranged at the inner bottom of the inner shell (12), a first connecting block (17) is arranged on the outer side of the guide column (16), and the side of the first connecting block (17) is connected to the outer wall of the placement rack (19).

2. The nitriding furnace for aluminum mold processing according to claim 1, characterized in that: A filter box (3) is arranged on the side of the nitriding furnace body (1), a filter element (20) is installed inside the filter box (3), a filter screen (21) is installed inside the filter box (3), the filter screen (21) is arranged below the filter element (20), and an exhaust fan (22) is arranged at the inner bottom of the filter box (3).

3. The nitriding furnace for aluminum mold processing according to claim 1, characterized in that: A heating tube (11) is arranged between the nitriding furnace body (1) and the inner shell (12); one end of the heating tube (11) is connected to a connecting tube; one end of the connecting tube is provided with a heater (7).

4. The nitriding furnace for aluminum mold processing according to claim 1, characterized in that: A furnace cover (23) is arranged on the top of the inner shell (12), a support frame (6) is arranged on the top of the furnace cover (23), a motor (5) is installed on the top of the support frame (6), a transmission shaft is connected to the bottom of the motor (5), and a fan (13) is connected to one end of the transmission shaft.

5. The nitriding furnace for aluminum mold processing according to claim 1, characterized in that: A side support plate (9) is provided on the side of the nitriding furnace body (1), and a hydraulic cylinder (8) is provided on the top of the side support plate (9).

6. The nitriding furnace for aluminum mold processing according to claim 2, characterized in that: The bottom of the filter box (3) is connected to an exhaust pipe (10), and one end of the exhaust pipe (10) penetrates the side surfaces of the nitriding furnace body (1) and the inner shell (12).

7. The nitriding furnace for aluminum mold processing according to claim 2, characterized in that: The top of the filter box (3) is provided with an air outlet (4), and the bottom of the nitriding furnace body (1) is installed with a support column (2).

Images