Heat treatment furnace for aluminum alloy die castings

Abstract

The heat treatment furnace for the aluminum alloy die casting comprises an operation table, a heat treatment furnace body is fixedly installed on one side of the top of the operation table, a circular shell is fixedly installed on the top of the heat treatment furnace body, and an installation plate is jointly and fixedly installed on the two sides of the inner wall of the circular shell; a sealing plate is pulled out from the interior of a sliding groove, air enters the heat treatment furnace body through an air inlet, meanwhile, dust in the air is filtered through a filter screen, external dust is prevented from entering the heat treatment furnace body, a fan is started, the dust in the heat treatment furnace body is extracted out through the fan, and the heat treatment efficiency is improved. And dust is filtered and adsorbed through an activated carbon filter screen, and meanwhile, the dust can be further filtered and adsorbed through activated carbon filter cotton, so that the purpose of cleaning the dust in the heat treatment furnace body is achieved, and meanwhile, the effect of treating the dust is further achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of heat treatment, in particular to a heat treatment furnace for aluminum alloy die castings. Background Art

[0002] A heat treatment furnace refers to an electric furnace or fuel furnace used for heat treatment of furnace charges. Commonly used heat treatment furnaces include box-type resistance furnaces, pit-type resistance furnaces, gas carburizing furnaces and salt bath furnaces. Continuous furnaces are usually used. Workpieces are continuously loaded from the loading door, passed through the furnace chamber, and continuously unloaded from the discharge door. The commonly used method of conveying in the furnace is to place the workpiece on a heat-resistant steel guide rail and move it with a stepping moving beam or push rod.

[0003] It is known that China's publicly authorized utility model CN202220940621.8 discloses a heat treatment furnace for aluminum alloy die castings. It includes a furnace body, one side of which is provided with a liftable furnace door, and the lower part of the furnace body is slidably connected to a trolley, on which at least one rack for placing aluminum alloy die castings is placed. The utility model adopts the method of placing the rack on the trolley, and the aluminum alloy castings can be placed on the rack first, and then the rack is placed on the trolley, which is more efficient; and the rack can be divided into multiple layers, and the utilization rate of the furnace in the height direction is higher.

[0004] However, in the implementation of relevant technologies, it was found that the above scheme has the following problems: the heat treatment process may involve combustion or combustible reactions, such as welding, thermal spraying or sintering, and the combustion will produce combustion residues, including dust and particles, and these dusts accumulate inside the heat treatment device, so that manual dust cleaning inside the heat treatment furnace is required on a regular basis. However, during the manual cleaning process, the dust will be stirred up and dirty the workers, and even cause the workers to inhale the dust. Long-term dust removal will affect lung health. Therefore, a heat treatment furnace for aluminum alloy die castings has been proposed. Utility Model Content

[0005] In order to solve the above problems, the utility model proposes a heat treatment furnace for aluminum alloy die-castings. The technical solution solves the problem that the heat treatment process proposed in the above background technology may involve combustion or combustible reactions, such as welding, thermal spraying or sintering, and the combustion will produce combustion residues, including dust and particles, and these dusts accumulate inside the heat treatment device, so that manual dust cleaning inside the heat treatment furnace is required on a regular basis. However, during the manual cleaning process, the dust will be stirred up, dirtying the staff and even causing the staff to inhale the dust. Long-term dust removal will affect the health of the lungs.

[0006] To achieve the above-mentioned purpose, the utility model provides a heat treatment furnace for aluminum alloy die castings, comprising an operating table, a heat treatment furnace body is fixedly installed on one side of the top of the operating table, a circular shell is fixedly installed on the top of the heat treatment furnace body, a mounting plate is fixedly installed on both sides of the inner wall of the circular shell, a fan is fixedly installed on the bottom of the mounting plate, an activated carbon filter and an activated carbon filter cotton are respectively arranged inside the circular shell from top to bottom, and the activated carbon filter is located above the mounting plate;

[0007] The inner side wall of the heat treatment furnace body is provided with a plurality of air inlet holes, a shell is fixedly installed on the top of the heat treatment furnace body, the shell is located above the plurality of air inlet holes, and a filter is arranged inside the shell;

[0008] A first slide groove is provided on one side of the heat treatment furnace body, and a first sealing plate is slidably connected inside the first slide groove. A second slide groove is provided on the other side of the heat treatment furnace body, and a second sealing plate is slidably connected inside the second slide groove.

[0009] Optionally, two slide rails are fixedly installed on the front side of the heat treatment furnace body, the two slide rails are arranged opposite to each other, and sealed doors are slidably connected to the two slide rails.

[0010] Optionally, motors are fixedly mounted on both sides of the sealing door, and output ends of the motors are fixedly connected to gears.

[0011] Optionally, racks are fixedly mounted on both sides of the heat treatment furnace body, and the gears are meshingly connected with the racks.

[0012] Optionally, a circular cover plate is placed on the top of the circular shell, and a first handle is fixedly mounted on the top of the circular cover plate.

[0013] Optionally, a cover plate is placed on the top of the shell, and a second handle is fixedly installed on the top of the cover plate.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The first sealing plate and the second sealing plate are used to seal the air inlet and the bottom end of the circular shell to prevent heat leakage when the heat treatment furnace body is in operation. When cleaning the dust inside the heat treatment furnace body, the first sealing plate is pulled out from the inside of the first slide groove, and the second sealing plate is pulled out from the inside of the second slide groove, so that air enters the inside of the heat treatment furnace body through the air inlet. At the same time, the filter net is used to filter the dust in the air to prevent the external dust from entering the inside of the heat treatment furnace body. By starting the fan, the dust inside the heat treatment furnace body is extracted by the fan, and the dust is filtered and adsorbed by the activated carbon filter net. At the same time, the dust can be further filtered and adsorbed by the activated carbon filter cotton, thereby achieving the purpose of cleaning the dust inside the heat treatment furnace body and achieving the effect of dust treatment, effectively avoiding the problem of manual cleaning staff inhaling dust and long-term dust removal affecting lung health.

[0016] In order to better understand and implement the present invention, the present invention is described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the overall side view structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the cross-sectional structure of the heat treatment furnace body of the utility model;

[0020] Figure 4 It is a schematic diagram of the cross-sectional structure of the circular shell of the utility model.

[0021] In the figure: 1. operating table; 2. heat treatment furnace body; 3. circular shell; 4. mounting plate; 5. fan; 6. activated carbon filter; 7. activated carbon filter cotton; 8. air inlet; 9. shell; 10. filter; 11. first slide; 12. first sealing plate; 13. slide rail; 14. sealing door; 15. motor; 16. gear; 17. rack; 18. circular cover; 19. first handle; 20. cover; 21. second handle; 22. second slide; 23. second sealing plate. DETAILED DESCRIPTION

[0022] In order to have a clearer understanding of the technical features, purposes and effects of the utility model, the specific implementation methods of the utility model are now described with reference to the accompanying drawings, but the protection scope of the utility model is not limited to the following.

[0023] Reference Figure 1-4As shown, a heat treatment furnace for aluminum alloy die castings. This technical solution solves the problem that the heat treatment process mentioned in the above background technology may involve combustion or combustible reactions, such as welding, thermal spraying or sintering. Combustion will produce combustion residues, including dust and particles, and these dusts accumulate inside the heat treatment device, so that manual dust cleaning inside the heat treatment furnace is required on a regular basis. However, during the manual cleaning process, dust will be stirred up, dirtying the staff and even causing the staff to inhale dust. Long-term dust removal will affect the health of the lungs.

[0024] To achieve the above-mentioned purpose, the utility model provides a heat treatment furnace for aluminum alloy die castings, comprising an operating table 1, a heat treatment furnace body 2 is fixedly installed on one side of the top of the operating table 1, a circular shell 3 is fixedly installed on the top of the heat treatment furnace body 2, a mounting plate 4 is fixedly installed on both sides of the inner wall of the circular shell 3, a fan 5 is fixedly installed on the bottom of the mounting plate 4, and an activated carbon filter 6 and an activated carbon filter cotton 7 are respectively arranged inside the circular shell 3 from top to bottom, and the activated carbon filter 6 is located above the mounting plate 4;

[0025] The inner wall of the heat treatment furnace body 2 is provided with a plurality of air inlet holes 8, and a shell 9 is fixedly installed on the top of the heat treatment furnace body 2. The shell 9 is located above the plurality of air inlet holes 8, and a filter screen 10 is arranged inside the shell 9;

[0026] A first chute 11 is provided on one side of the heat treatment furnace body 2, and a first sealing plate 12 is slidably connected inside the first chute 11. A second chute 22 is provided on the other side of the heat treatment furnace body 2, and a second sealing plate 23 is slidably connected inside the second chute 22.

[0027] The utility model provides a heat treatment furnace for aluminum alloy die castings. The first sealing plate 12 and the second sealing plate 23 are used to seal the air inlet 8 and the bottom end of the circular shell 3 to prevent heat leakage when the heat treatment furnace body 2 is in operation. When cleaning the dust inside the heat treatment furnace body 2, the first sealing plate 12 is pulled out from the inside of the first slide groove 11, and the second sealing plate 23 is pulled out from the inside of the second slide groove 22, so that air enters the inside of the heat treatment furnace body 2 through the air inlet 8. At the same time, the filter 10 is used to filter the dust in the air to prevent the external dust from entering the inside of the heat treatment furnace body 2. The fan 5 is started to extract the dust inside the heat treatment furnace body 2 by the fan 5, and the dust is filtered and adsorbed by the activated carbon filter 6. At the same time, the dust can be further filtered and adsorbed by the activated carbon filter cotton 7, thereby achieving the purpose of cleaning the dust inside the heat treatment furnace body 2 and achieving the effect of dust treatment, effectively avoiding the problem of manual cleaning staff inhaling dust and long-term dust removal affecting lung health.

[0028] Further, two slide rails 13 are fixedly installed on the front side of the heat treatment furnace body 2, and the two slide rails 13 are arranged opposite to each other. Sealed doors 14 are slidably connected to the two slide rails 13. Motors 15 are fixedly installed on both sides of the sealed doors 14. A gear 16 is fixedly connected to the output end of the motor 15. Racks 17 are fixedly installed on both sides of the heat treatment furnace body 2, and the gears 16 and the racks 17 are meshed and connected.

[0029] Specifically, by starting the motor 15, the motor 15 drives the gear 16 to rotate, so that the gear 16 is meshed and connected to the rack 17 to move, and the sealing door 14 is linked to slide on the slide rail 13, thereby achieving the purpose of opening and closing the sealing door 14, making it convenient to put the processed workpiece into or take it out of the heat treatment furnace body 2, and effectively improving the work efficiency.

[0030] Furthermore, a circular cover plate 18 is placed on the top of the circular shell 3, a first handle 19 is fixedly installed on the top of the circular cover plate 18, a cover plate 20 is placed on the top of the shell 9, and a second handle 21 is fixedly installed on the top of the cover plate 20;

[0031] Specifically, when cleaning the dust inside the heat treatment furnace body 2, the circular cover 18 is removed from the circular shell 3 by holding the first handle 19, and the cover 20 is removed from the shell 9 by holding the second handle 21. At this time, the dust inside the heat treatment furnace body 2 can be cleaned. After the dust inside the heat treatment furnace body 2 is cleaned, the circular cover 18 is placed above the circular shell 3 to prevent dust from entering the interior of the circular shell 3, and the cover 20 is placed above the shell 9 to prevent dust from entering the interior of the shell 9.

[0032] The above disclosure is only a preferred embodiment of the present invention, which certainly cannot be used to limit the scope of rights of the present invention. Therefore, equivalent changes made according to the claims of the present invention still fall within the scope covered by the present invention.

Claims

1. A heat treatment furnace for aluminum alloy die castings, characterized in that: The invention comprises an operating table (1), a heat treatment furnace body (2) is fixedly mounted on one side of the top of the operating table (1), a circular shell (3) is fixedly mounted on the top of the heat treatment furnace body (2), a mounting plate (4) is fixedly mounted on both sides of the inner wall of the circular shell (3), a fan (5) is fixedly mounted on the bottom of the mounting plate (4), and an activated carbon filter (6) and activated carbon filter cotton (7) are respectively arranged inside the circular shell (3) from top to bottom, and the activated carbon filter (6) is located above the mounting plate (4); The inner side wall of the heat treatment furnace body (2) is provided with a plurality of air inlet holes (8); a shell (9) is fixedly mounted on the top of the heat treatment furnace body (2); the shell (9) is located above the plurality of air inlet holes (8); a filter screen (10) is arranged inside the shell (9); A first slide groove (11) is provided on one side of the heat treatment furnace body (2), and a first sealing plate (12) is slidably connected inside the first slide groove (11). A second slide groove (22) is provided on the other side of the heat treatment furnace body (2), and a second sealing plate (23) is slidably connected inside the second slide groove (22).

2. A heat treatment furnace for aluminum alloy die castings according to claim 1, characterized in that: Two slide rails (13) are fixedly mounted on the front side of the heat treatment furnace body (2), the two slide rails (13) are arranged opposite to each other, and sealing doors (14) are slidably connected to the two slide rails (13).

3. A heat treatment furnace for aluminum alloy die castings according to claim 2, characterized in that: Motors (15) are fixedly mounted on both sides of the sealing door (14), and a gear (16) is fixedly connected to the output end of the motor (15).

4. A heat treatment furnace for aluminum alloy die castings according to claim 3, characterized in that: Racks (17) are fixedly mounted on both sides of the heat treatment furnace body (2), and the gear (16) is meshingly connected with the racks (17).

5. The heat treatment furnace for aluminum alloy die castings according to claim 1, characterized in that: A circular cover plate (18) is placed on the top of the circular shell (3), and a first handle (19) is fixedly mounted on the top of the circular cover plate (18).

6. The heat treatment furnace for aluminum alloy die castings according to claim 1, characterized in that: A cover plate (20) is placed on the top of the housing (9), and a second handle (21) is fixedly mounted on the top of the cover plate (20).

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