Vacuumizing and oxygenating device for mold

Abstract

The utility model relates to the field of aluminum castings, in particular to a die vacuumizing and oxygenating device which comprises an air inflation assembly, an air storage assembly and an air exhaust assembly, the air inflation assembly is connected with the air storage assembly, the air storage assembly is connected with the air exhaust assembly, and the air exhaust assembly is connected with the air inflation assembly. The inflation assembly comprises a high-pressure oxygen bottle, and the exhaust assembly is arranged to be capable of guiding oxygen to an external mold. According to the utility model, the advantages of simple structure, high practicability and fewer pore defects of the aluminum casting can be realized by effectively utilizing the structural configuration of the aluminum casting.

Description

Technical Field

[0001] The present application relates to the field of aluminum castings, and more specifically to a vacuum oxygenation device for a mold. Background Art

[0002] Currently, most technical solutions for the gas in aluminum casting molds use vacuum or ejector exhaust to maximize the vacuum level in the mold cavity. However, in the actual process, due to other factors such as the mold processing, the vacuum effect cannot be fully achieved, which will lead to more pore defects in the produced products. Therefore, in order to solve this technical problem, our company fills the mold with oxygen while vacuuming it, and the high-temperature aluminum liquid enters and reacts with the oxygen to burn the remaining air, thereby achieving a higher vacuum effect, thereby greatly reducing the pore defects in the product.

[0003] Therefore, there is a need to provide a vacuum oxygenation device for a mold having a simple structure, high practicality, and fewer porosity defects in aluminum castings. Summary of the invention

[0004] The main purpose of the present application is to provide a vacuum and oxygenation device for a mold, wherein the vacuum and oxygenation device for the mold can effectively utilize its own structural configuration to achieve the advantages of high practicality and fewer porosity defects in aluminum castings.

[0005] Another object of the present application is to provide a vacuum pumping and oxygenating device for a mold, wherein the vacuum pumping and oxygenating device for the mold includes an inflation component, a gas storage component and an exhaust component, the inflation component is connected to the gas storage component, the gas storage component is connected to the exhaust component, and the inflation component includes a high-pressure oxygen cylinder, and the exhaust component is configured to guide oxygen to an external mold, and oxygen is guided to the external mold through the above-mentioned inflation component, gas storage component and exhaust component, thereby reacting with the high-temperature aluminum liquid in the mold, burning the remaining air, and then achieving a higher vacuum effect, thereby greatly reducing the porosity defects in the product.

[0006] Another object of the present application is to provide a mold vacuuming and oxygenating device, wherein the mold vacuuming and oxygenating device has a simple structure and is easy to operate, does not involve complex manufacturing processes and expensive materials, has high economy, and is easy to promote and use.

[0007] In order to achieve at least one of the above-mentioned invention purposes, the present application provides a vacuuming and oxygenating device for a mold, wherein the vacuuming and oxygenating device for the mold comprises:

[0008] An inflatable component, an air storage component and an air extraction component, wherein the inflatable component is connected to the air storage component, the air storage component is connected to the air extraction component, and the inflatable component includes a high-pressure oxygen cylinder, and the air extraction component is configured to guide oxygen to an external mold.

[0009] In one or more embodiments of the present application, the inflation assembly includes a high-pressure oxygen cylinder, an explosion-proof pressure reducing valve and a gas flow stabilizer, the explosion-proof pressure reducing valve is connected to the gas outlet of the high-pressure oxygen cylinder, and the gas flow stabilizer is connected to one end of the explosion-proof pressure reducing valve away from the high-pressure oxygen cylinder.

[0010] In one or more embodiments of the present application, the vacuum and oxygenation device of the mold further includes a first air pipe, one end of which is connected to the gas stabilizer.

[0011] In one or more embodiments of the present application, the gas storage assembly includes an air storage tank having an air inlet pipe, a cavity and an air outlet pipe, and a first solenoid valve is installed on the air inlet pipe, and a second solenoid valve is installed on the air outlet pipe.

[0012] In one or more embodiments of the present application, the other end of the first air pipe is connected to the first solenoid valve, and a first one-way valve is also provided on the first air pipe, and the first one-way valve is also close to the first solenoid valve.

[0013] In one or more embodiments of the present application, the vacuum and oxygenation device of the mold further includes a second air pipe, one end of which is connected to the second solenoid valve, and a second one-way valve is also provided on the second air pipe.

[0014] In one or more embodiments of the present application, the exhaust assembly includes an axial fan, a third air pipe and a filter, the other end of the second air pipe is connected to one end of the axial fan, one end of the third air pipe is connected to the other end of the axial fan, and a filter is also provided at the end of the third air pipe away from the axial fan.

[0015] In one or more embodiments of the present application, the vacuum and oxygenation device of the mold further includes a fourth air pipe, one end of which is connected to the filter, and the other end of which is connected to the air inlet of the external mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] These and / or other aspects and advantages of the present application will become clearer and easier to understand from the following detailed description of the embodiments of the present application in conjunction with the accompanying drawings, in which:

[0017] Figure 1 The figure shows a structural schematic diagram of a vacuum oxygenation device for a mold.

[0018] Figure 2 The diagram shows a schematic diagram of the filter structure.

[0019] Figure 3 The figure shows a simplified application diagram of a vacuum oxygenation device for a mold. DETAILED DESCRIPTION

[0020] The terms and words used in the following specification and claims are not limited to the literal meanings, but are merely used by the inventor to enable a clear and consistent understanding of the present application. Therefore, it will be apparent to those skilled in the art that the following description of various embodiments of the present application is provided for illustrative purposes only and not for the purpose of limiting the present application as defined by the appended claims and their equivalents.

[0021] It is to be understood that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element may be one, while in another embodiment, the number of the element may be multiple, and the term "one" should not be understood as a limitation on the quantity.

[0022] Although ordinals such as "first," "second," and the like will be used to describe various components, those components are not limited herein. The term is used only to distinguish one component from another. For example, a first component may be referred to as a second component, and likewise, a second component may be referred to as a first component without departing from the teachings of the utility model concept. The term "and / or" as used herein includes any and all combinations of one or more associated listed items.

[0023] The terms used herein are only used for the purpose of describing various embodiments and are not intended to be limiting. As used herein, singular forms are intended to also include plural forms, unless the context clearly indicates an exception. In addition, it will be understood that the terms "including" and / or "having" when used in this specification specify the presence of the described features, numbers, steps, operations, components, elements or combinations thereof, without excluding the presence or addition of one or more other features, numbers, steps, operations, components, elements or groups thereof.

[0024] Schematic mold vacuum oxygenation device

[0025] refer to Figures 1 to 3 According to a preferred embodiment of the present invention, the vacuum oxygenation device for the mold includes an inflatable component 10, an air storage component 20 and an air extraction component 30. The inflatable component 10 is connected to the air storage component 20, and the air storage component 20 is connected to the air extraction component 30. The inflatable component 10 can guide oxygen to the air storage component 20, and then the air extraction component 30 can extract the oxygen in the air storage component 20.

[0026] Furthermore, the inflation component 10 includes a high-pressure oxygen cylinder 11, an explosion-proof pressure reducing valve 12 and a gas flow stabilizer 13, the explosion-proof pressure reducing valve 12 is connected to the gas outlet of the high-pressure oxygen cylinder 11, and the gas flow stabilizer 13 is connected to one end of the explosion-proof pressure reducing valve 12 away from the high-pressure oxygen cylinder 11.

[0027] The mold vacuuming and oxygenating device further comprises a first air pipe 40 , one end of which is connected to the gas stabilizer 13 .

[0028] Further, the gas storage assembly 20 includes a gas storage tank 21, the gas storage tank 21 has an air inlet pipe 211, a cavity 2101 and an air outlet pipe 212, and a first solenoid valve 22 is installed on the air inlet pipe 211, and a second solenoid valve 23 is installed on the air outlet pipe 212. The first solenoid valve 22 and the second solenoid valve 23 are both used to control the flow of gas. The other end of the first air pipe 40 is connected to the first solenoid valve 22, and a first one-way valve 24 is also provided on the first air pipe 40, and the first one-way valve 24 is also close to the first solenoid valve 22.

[0029] It is worth mentioning that the vacuum oxygenation device of the mold further includes a second air pipe 50, one end of which is connected to the second solenoid valve 23, and a second one-way valve 25 is also provided on the second air pipe 50. The first one-way valve 24 is configured to prevent gas from flowing back to the high-pressure oxygen cylinder 11, and the second one-way valve 25 is configured to prevent gas from flowing back to the gas storage tank 21.

[0030] It should be noted that the air extraction assembly 30 includes an axial fan 31, a third air pipe 32 and a filter 33, the other end of the second air pipe 50 is connected to one end of the axial fan 31, one end of the third air pipe 32 is connected to the other end of the axial fan 31, and a filter 33 is also provided at the end of the third air pipe 32 away from the axial fan 31. The vacuum oxygenation device of the mold also includes a fourth air pipe 60, one end of the fourth air pipe 60 is connected to the filter 33, and the other end is connected to the external mold air inlet. It is worth mentioning that the filter 33 is configured to filter dust and other media, that is, when the axial fan 31 acts, the axial fan 31 extracts the oxygen in the gas storage tank 21 and guides it to the filter 33, and then the oxygen flows to the mold connected to the fourth air pipe 60 through the filter 33. It should be understood by those skilled in the art that the mold is a die-casting mold, and the high-temperature aluminum liquid is injected into the mold through an external device. Most existing technical solutions use vacuuming to maximize the vacuum level in the mold cavity. However, in the actual process, the vacuum effect cannot be fully achieved due to other factors such as the mold processing conditions. Therefore, our company fills the mold with oxygen while vacuuming it. The high-temperature aluminum liquid enters and reacts with the oxygen to burn the remaining air, achieving a higher vacuum effect and reducing the number of pore defects in the produced products.

[0031] It should be noted that the filter 33 includes a housing 331 and a cover plate 332. The housing 331 has a first opening 33101, a cavity 33102 and a second opening 33103. The first opening 33101 and the second opening 33103 are both connected to the cavity 33102. The first opening 33101 is located at one end of the housing 331, and the second opening 33103 is located at the other end of the housing 331. The third air pipe 32 is connected to the first opening 33101, and the cover plate 332 is connected to the end of the housing 331 provided with the second opening 33103, so as to close the second opening 33103.

[0032] The outer wall of the housing 331 also has an insertion hole 33104, which is also connected to the cavity 33102, and the end of the fourth air pipe 60 away from the external mold is placed in the insertion hole 33104. In addition, the wall surface forming the cavity 33102 also has an annular mounting groove 33105, which is located between the first opening 33101 and the insertion hole 33104, and an air filter element is also arranged in the annular mounting groove 33105, that is, when the axial fan 31 draws oxygen in the gas storage tank 21 to the air filter element, dust and other media will be filtered out.

[0033] It should also be noted that the vacuuming and oxygenating device of the mold also includes a vacuuming device, which is connected to the external mold. Specifically, the vacuuming device is an existing device that users can purchase, such as a vacuum machine for die casting / injection molding.

[0034] It should be noted that the structure of the above-mentioned filter is only an example implementation method, and the user can purchase a suitable air filter on the market for installation.

[0035] In summary, the vacuum pumping and oxygenation device of the mold according to the embodiment of the present application is explained, which provides the advantages of simple structure, high practicality, and fewer porosity defects in aluminum castings for the vacuum pumping and oxygenation device of the mold.

[0036] It is worth mentioning that in the embodiment of the present application, the vacuum oxygenation device of the mold has a simple structure, does not involve complex manufacturing processes and expensive materials, and has high economic efficiency. At the same time, for manufacturers, the vacuum oxygenation device of the mold provided by the present application is easy to produce and has low cost, which is more conducive to controlling production costs and further conducive to product promotion and use.

[0037] It should be understood by those skilled in the art that the embodiments of the present invention described above and shown in the accompanying drawings are only examples and do not limit the present invention. The purpose of the present invention has been fully and effectively achieved. The functional and structural principles of the present invention have been demonstrated and explained in the embodiments, and the embodiments of the present invention may be deformed or modified in any way without departing from the principles.

Claims

1. A vacuum oxygenation device for a mold, characterized in that: The vacuuming and oxygenating device of the mold comprises: An inflation component, an air storage component, an air suction component and a vacuum device, the inflation component is connected to the air storage component, the air storage component is connected to the air suction component, and the inflation component includes a high-pressure oxygen cylinder, and the air suction component is configured to guide oxygen to an external mold, and the vacuum device is also connected to the external mold.

2. The vacuum oxygenation device for a mold according to claim 1, wherein the inflation component comprises a high-pressure oxygen cylinder, an explosion-proof pressure reducing valve and a gas flow stabilizer, the explosion-proof pressure reducing valve is connected to the gas outlet of the high-pressure oxygen cylinder, and the gas flow stabilizer is connected to an end of the explosion-proof pressure reducing valve away from the high-pressure oxygen cylinder.

3. The mold vacuuming and oxygenating device according to claim 2, wherein the mold vacuuming and oxygenating device further comprises a first air pipe, one end of which is connected to the gas stabilizer.

4. A vacuum oxygenation device for a mold according to claim 3, wherein the gas storage component includes a gas storage tank, the gas storage tank has an air inlet pipe, a cavity and an air outlet pipe, and a first solenoid valve is installed on the air inlet pipe, and a second solenoid valve is installed on the air outlet pipe.

5. The mold vacuuming and oxygenating device according to claim 4, wherein the other end of the first air pipe is connected to the first solenoid valve, and a first one-way valve is also provided on the first air pipe, and the first one-way valve is also close to the first solenoid valve.

6. The mold vacuum pumping and oxygenating device according to claim 5, wherein the mold vacuum pumping and oxygenating device further comprises a second air pipe, one end of the second air pipe is connected to the second solenoid valve, and a second one-way valve is also arranged on the second air pipe.

7. The vacuum extraction and oxygenation device for a mold according to claim 6, wherein the vacuum extraction component includes an axial fan, a third air pipe and a filter, the other end of the second air pipe is connected to one end of the axial fan, one end of the third air pipe is connected to the other end of the axial fan, and a filter is also provided at the end of the third air pipe away from the axial fan.

8. The mold vacuuming and oxygenating device according to claim 7, wherein the mold vacuuming and oxygenating device further comprises a fourth air pipe, one end of the fourth air pipe is connected to the filter, and the other end is connected to the external mold air inlet.

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