An explosion-proof housing using friction stir welding

Abstract

This utility model discloses an explosion-proof shell using friction stir welding, comprising: a flange, several side plates, and a base plate. The flange is friction stir welded to one end of each of the side plates, and the base plate is friction stir welded to the other end of each of the side plates. By applying this utility model, an explosion-proof shell using friction stir welding is proposed. Compared to sand casting, it eliminates the need for lengthy sand mold making, casting, and subsequent complex cleaning processes, thus shortening the production cycle and improving production efficiency. Compared to low-pressure casting, it eliminates the need to develop precision casting molds, thereby saving high mold development costs and reducing production costs. Furthermore, the use of friction stir welding helps avoid the thermal deformation of aluminum alloy materials caused by high temperatures in traditional welding, thus helping to maintain the shell's excellent explosion-proof performance.

Description

Technical Field

[0001] This utility model relates to the field of explosion-proof equipment technology, and in particular to an explosion-proof housing using friction stir welding. Background Technology

[0002] Currently, explosion-proof aluminum alloy enclosures are widely used in many fields due to their excellent explosion-proof performance and relatively light weight, such as chemical, petroleum, and mining environments where there are flammable and explosive risks. However, existing mainstream explosion-proof aluminum alloy enclosures still have significant drawbacks.

[0003] The existing mainstream manufacturing processes for explosion-proof aluminum alloy shells are mainly divided into two categories: one is the sand casting process. This process produces shells with low strength. Due to the characteristics of the sand mold, the internal structure of the shell is not dense enough, and there are many micropores, which reduces the overall strength of the shell. Moreover, the surface of the shell after sand casting is rough, requiring a lot of subsequent processing steps for surface treatment, which not only increases production costs but also consumes a lot of time, resulting in low production efficiency and making it difficult to meet the needs of large-scale mass production. The other is the low-pressure casting process. Although low-pressure casting can improve the quality of the shell to a certain extent, this process requires the development of precision casting molds. For relatively complex internal flange shells, the development of casting molds is extremely difficult, and in some cases, it is even impossible. In addition, the development cost of molds, equipment operating costs, and raw material consumption are high throughout the entire shell production process. This makes the cost of explosion-proof aluminum alloy shells produced by the low-pressure casting process high, putting them at a disadvantage in market competition. Utility Model Content

[0004] In view of this, in order to solve the above problems, the purpose of this utility model is to provide an explosion-proof shell using friction stir welding, comprising: a flange, several side plates and a bottom plate, wherein the flange is friction stir welded to one end of the several side plates, and the bottom plate is friction stir welded to the other end of the several side plates.

[0005] In another preferred embodiment, both the side plates and the bottom plate are rectangular, and a rectangular frame is formed between the bottom plate and the side plates.

[0006] In another preferred embodiment, the flange is disposed on the periphery of the rectangular frame.

[0007] In another preferred embodiment, the flange is disposed within the inner perimeter of the rectangular frame.

[0008] In another preferred embodiment, it further includes a cover plate, which is bolted to the flange.

[0009] In another preferred embodiment, the flange, the several side plates, the base plate, and the cover plate are all made of aluminum alloy.

[0010] In another preferred embodiment, a plurality of washers are provided on the upper inner wall of the base plate.

[0011] The present invention, by adopting the above-mentioned technical solution, has the following positive effects compared with the prior art: By applying the present invention, an explosion-proof shell using friction stir welding is proposed. Compared with sand casting, it eliminates the need for lengthy sand mold making, casting, and subsequent complex cleaning processes, thus shortening the production cycle and improving production efficiency. Compared with low-pressure casting, it eliminates the need to develop precision casting molds, thus saving high mold development costs and reducing production costs. Furthermore, the use of friction stir welding helps avoid the thermal deformation of aluminum alloy materials caused by high temperatures in traditional welding, thereby helping to maintain the shell's excellent explosion-proof performance. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of an explosion-proof shell using friction stir welding according to this utility model;

[0013] Figure 2 This is a cross-sectional view of an explosion-proof housing using friction stir welding according to the present invention.

[0014] Figure 3 This is a cross-sectional view of another embodiment of the explosion-proof housing using friction stir welding according to this utility model;

[0015] Figure 4 This is a diagram showing the usage state of an explosion-proof housing using friction stir welding according to this utility model.

[0016] In the attached image:

[0017] 1. Flange; 2. Side plate; 3. Base plate; 4. Cover plate. Detailed Implementation

[0018] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0019] In the description of this utility model, it should be understood that the orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "inner", "outer", "front", "back", "horizontal", and "vertical" are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0020] It should be noted that the terms "horizontal" and "vertical" in this utility model are used to describe approximate positional relationships, and not strictly "horizontal plane" or "vertical plane".

[0021] like Figure 1-4 As shown, a preferred embodiment of an explosion-proof housing using friction stir welding is illustrated, comprising: a flange 1, several side plates 2, and a base plate 3. The flange 1 is friction stir welded to one end of the several side plates 2, and the base plate 3 is friction stir welded to the other end of the several side plates 2.

[0022] Furthermore, in a preferred embodiment, both the side plate 2 and the bottom plate 3 are rectangular, and a rectangular frame is formed between the bottom plate 3 and several side plates 2.

[0023] Furthermore, as a preferred embodiment, flange 1 is disposed on the periphery of the rectangular frame. Furthermore, when flange 1 needs to be connected to external equipment over a large area, flange 1 disposed on the periphery of the rectangular frame can provide a larger connection area, thereby making the connection more stable and reliable.

[0024] In another embodiment of this utility model, flange 1 is disposed within the inner perimeter of the rectangular frame. Furthermore, when it is necessary to install equipment that has a close fit with flange 1 inside the rectangular frame, for example, when internal equipment needs to be positioned or fixed via flange 1, flange 1 is disposed within the inner perimeter of the rectangular frame to better meet the installation requirements of the internal equipment.

[0025] Furthermore, as a preferred embodiment, it also includes a cover plate 4, which is connected to the flange 1 by bolts. Furthermore, by providing the cover plate 4, flammable and explosive gases from the outside can be prevented from entering the rectangular frame.

[0026] Furthermore, as a preferred embodiment, the flange 1, several side plates 2, the base plate 3, and the cover plate 4 are all made of aluminum alloy.

[0027] Furthermore, as a preferred embodiment, a plurality of washers are provided on the upper inner wall of the base plate 3.

[0028] Furthermore, as a preferred embodiment, the gasket is preferably made of rubber or silicone material with good elasticity and sealing properties. Furthermore, the gasket can act as a buffer and seal during the installation of internal equipment, thereby preventing direct contact between the internal equipment and the base plate 3, which could cause wear.

[0029] The above description is only a preferred embodiment of the present utility model and does not limit the implementation method and protection scope of the present utility model. Those skilled in the art should realize that all solutions obtained by equivalent substitutions and obvious changes made based on the description and illustrations of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An explosion-proof type housing employing friction stir welding, characterized by, The application relates to a flange, a plurality of side plates and a bottom plate, wherein the flange is friction stir welded with one end of the plurality of side plates, and the bottom plate is friction stir welded with the other end of the plurality of side plates. The side plates and the bottom plate are arranged in a rectangular shape, and a rectangular frame is formed between the bottom plate and the plurality of side plates.

2. The flameproof enclosure employing friction stir welding according to claim 1, wherein The flange is arranged at the periphery of the rectangular frame.

3. The flameproof enclosure employing friction stir welding according to claim 2, wherein The flange is arranged at the inner periphery of the rectangular frame.

4. The flameproof enclosure employing friction stir welding according to claim 2, wherein The application further relates to a cover plate connected with the flange through bolts.

5. The flameproof enclosure employing friction stir welding as claimed in claim 1, wherein, The flange, the plurality of side plates, the bottom plate and the cover plate are all made of aluminum alloy. A plurality of gaskets are arranged on the inner wall of the upper side of the bottom plate.

6. The flameproof enclosure employing friction stir welding as per claim 4, wherein, ​ 7. The flameproof enclosure employing friction stir welding as per claim 3, wherein, ​

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