Low-temperature casting device for stainless steel precision parts

Abstract

The utility model belongs to the technical field of stainless steel precision part casting, and particularly relates to a stainless steel precision part low-temperature casting device which comprises a casting mold and a heating piece, the casting mold is formed by combining a lower mold and an upper mold, a placement sinking groove is formed in the side wall of the lower mold, and the heating piece is embedded in the placement sinking groove. Elastic buckle plates arranged at the two ends of a shell of the heating piece abut against the containing sinking grooves, a heating plate is embedded in the shell, and an electric heating wire in the heating plate is electrically connected with a wiring port in the shell. According to the utility model, the parts for heating the mold are modularized, and the heating pieces are mounted at corresponding positions according to actual heating requirements, so that different heating requirements are met, meanwhile, the heating pieces can be conveniently and quickly assembled and disassembled on the mold, the use convenience is improved, the application range of the heating pieces is expanded, and the mold heating device is simple in structure, convenient to use and operate and convenient to use.

Description

Technical Field

[0001] The utility model relates to the technical field of stainless steel precision parts casting, in particular to a low-temperature casting device for stainless steel precision parts. Background Art

[0002] As an important engineering material, stainless steel is widely used in various industrial fields due to its excellent corrosion resistance, high strength and good processing performance. The casting of stainless steel precision parts is a key link in the manufacturing process, which involves multiple steps such as material selection, mold design, smelting, pouring, cooling and subsequent processing. At present, in the casting process of stainless steel parts, the material needs to be injected into the cavity of the mold for cooling and forming. In order to reduce the temperature difference between the mold and the material, the mold will be preheated before the material is injected. However, when the existing casting mold is preheated, an electric heating wire is placed on the side wall of the mold, and the mold is heated using electricity. The heating area is not convenient for flexible debugging, nor is it convenient for quick disassembly, assembly, inspection and maintenance, and is not convenient to use. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a low-temperature casting device for stainless steel precision parts, which solves the problem that electric heating wires are placed on the side walls of the mold to heat the mold using electric energy, the heating area is not convenient for flexible debugging, and is not convenient for quick disassembly, assembly, inspection and maintenance, and is inconvenient to use.

[0004] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:

[0005] A low-temperature casting device for stainless steel precision parts includes a casting mold and a heating element. The casting mold is composed of a lower mold and an upper mold. A placement groove is opened on the side wall of the lower mold, and the heating element is embedded in the placement groove. Elastic buckle plates arranged at both ends of the outer shell of the heating element abut against the placement groove. A heating plate is embedded on the outer shell, and the heating wire in the heating plate is electrically connected to the wiring port on the outer shell.

[0006] Furthermore, an embedding cavity is provided on one side of the housing facing the sink, the heating plate is placed in the embedding cavity, and the heating wires are evenly distributed in the heating plate, both ends of the heating wires are fixedly connected to the conductors on the wiring ports, and a thermal pad is placed between the contact surface of the heating plate and the sink;

[0007] The elastic buckles at both ends of the shell are provided with curved protrusions, which abut against limiting grooves provided at corresponding positions on the side walls of the placement sink, and a handle is fixedly connected to one side of the shell away from the lower mold.

[0008] Further, a casting chamber is provided in the lower mold, and a first end plate is integrally provided at the upper port part of the lower mold, and a second end plate integrally provided at the edge part of the upper mold is cooperatively provided with the first end plate;

[0009] Bolt through holes are formed in both the first end plate and the second end plate. The first end plate and the second end plate are fixedly connected by bolts, and an elastic sealing ring is arranged between the first end plate and the second end plate;

[0010] The feeding port and the air outlet provided on the upper mold are both communicated with the casting chamber in the lower mold. A feeding pipeline connector is arranged on the feeding port, and an exhaust valve is arranged at the air outlet part.

[0011] Compared with the prior art, the present utility model provides a low-temperature casting device for stainless steel precision parts, which has the following beneficial effects:

[0012] In the present utility model, the components for heating the mold are modularized. Heating elements are installed at corresponding positions according to actual heating requirements to achieve different heating requirements. At the same time, it is also convenient to quickly disassemble and assemble the heating elements on the mold, improving the convenience of use, expanding the applicable range of the heating elements, with a simple structure, convenient operation, and easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a schematic structural diagram of the present utility model;

[0014] Figure 2 is an exploded view of the casting mold in the present utility model;

[0015] Figure 3 is a cross-section of the heating element in the present utility model.

[0016] In the figure: 1, casting mold; 101, lower mold; 1011, placement sink; 1012, first end plate; 102, upper mold; 1021, feeding port; 1022, air outlet; 1023, second end plate; 2, heating element; 201, housing; 202, elastic buckle plate; 203, heating plate; 204, heating wire; 205, wiring port; 206, handle. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0017] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model. Embodiment

[0018] AsFigure 1 , Figure 2 and Figure 3 As shown in Figure 1 , Figure 2 and Figure 3 , an embodiment of the present utility model provides a low-temperature casting device for stainless steel precision parts, which includes a casting mold 1 and a heating element 2. The casting mold 1 is composed of a lower mold 101 and an upper mold 102, which is convenient to form a complete mold, so as to inject materials into the casting cavity inside the mold. After cooling and shaping, the production of stainless steel parts can be completed. An installation groove 1011 is formed on the side wall of the lower mold 101, and the heating element 2 is embedded in the installation groove 1011, which is convenient to stably install the heating element 2 on the lower mold 101, so that the two cooperate stably and effectively preheat the mold, improving the quality of the cooled and shaped materials after injection. Elastic buckles 202 provided at both ends of the outer shell 201 of the heating element 2 abut against the installation groove 1011, improving the installation stability and ensuring stable use. A heating plate 203 is embedded in the outer shell 201. The heating wire 204 in the heating plate 203 is electrically connected to the wiring port 205 on the outer shell 201, which is convenient to connect the external power supply to provide electrical energy for the heating wire 204 when preheating the mold, so that the heating plate 203 generates heat and stably and effectively heats the lower mold 101.

[0019] As Figure 1 and Figure 3 shown in Figure 1 and Figure 3 , in some embodiments, an embedding cavity is provided on one side of the outer shell 201 facing the installation groove 1011, and the heating plate 203 is placed in the embedding cavity, ensuring that the heating element 2 is stably installed on the lower mold 101, forming modular heating elements on the lower mold 101. According to the actual heating requirements, the heating element 2 is installed in the corresponding installation groove 1011 to achieve different heating requirements. At the same time, it is also convenient to quickly disassemble and assemble the heating element 2 on the lower mold 101, improving the convenience of use and expanding the applicable range of the heating element 2. Preheat the mold before casting injection, reducing the temperature difference between the mold and the injected materials, avoiding the large temperature difference from affecting the quality of the cooled and shaped materials, and improving the quality of stainless steel part casting. Moreover, the heating wires 204 are evenly distributed in the heating plate 203, and both ends of the heating wires 204 are fixedly connected to the conductors on the wiring port 205, which is convenient to quickly connect the external power supply to the heating wires 204 on the heating plate 203. When in use, after being powered on, the heating wires 204 operate to generate heat energy, so that the heating plate 203 stably and effectively heats the lower mold 101. And a heat conduction pad is arranged between the contact surface of the heating plate 203 and the installation groove 1011, improving the heat transfer efficiency of the heat energy of the heating plate 203 and stably and effectively heating the lower mold 101;

[0020] Elastic buckles 202 are provided at both ends of the outer shell 201, and bent protrusions are provided on the elastic buckles 202. The protrusions are abutted in the limiting grooves opened at the corresponding positions on the side wall of the placement sink 1011, which is convenient for stably installing the outer shell 201 in the placement sink 1011, so that the heating element 2 is stably installed on the lower mold 101, achieving stable cooperation between the two, preheating the mold stably and effectively. Moreover, a handle 206 is fixedly connected to the side of the outer shell 201 facing away from the lower mold 101, which is convenient for directly holding the handle 206 by hand when disassembling and assembling the heating element 2, so as to quickly install the heating element 2 onto the lower mold 101 or disassemble it, improving the convenience of use and operation.

[0021] As Figure 1 and Figure 2 shown, in some embodiments, a casting chamber is provided in the lower mold 101. The casting chamber is set in the shape of the required cast part, so as to facilitate injecting the material into the chamber. After it cools and forms, it can be taken out to complete the production of stainless steel parts. Moreover, a first end plate 1012 is integrally provided at the upper port part of the lower mold 101, and a second end plate 1023 integrally provided at the edge part of the upper mold 102 is cooperatively provided with the first end plate 1012, which is convenient for forming a stable connecting component on both the lower mold 101 and the upper mold 102, so that the two can be stably connected together, making the two cooperate to form a complete mold, and then facilitating subsequent stable casting;

[0022] Bolt through holes are provided on both the first end plate 1012 and the second end plate 1023. The first end plate 1012 and the second end plate 1023 are fixedly connected by bolts. An elastic sealing ring is provided between the first end plate 1012 and the second end plate 1023. The two are stably connected together by bolts to ensure their stable cooperation. At the same time, the gap between the two is sealed by a sealing structure to avoid material leakage during the casting process and improve the quality of the formed casting;

[0023] The injection port 1021 and the air outlet 1022 provided on the upper mold 102 are both communicated with the casting chamber in the lower mold 101. A injection pipeline connector is provided on the injection port 1021, and an exhaust valve is arranged at the air outlet 1022 part, which is convenient for stably connecting the injection pipeline to the injection port 1021, so as to smoothly inject the material into the casting chamber of the lower mold 101, making it cool and form in the chamber to complete the casting of stainless steel parts. At the same time, the exhaust valve arranged in the air outlet 1022 can smoothly discharge the air in the chamber during the injection process, ensuring that the material can be smoothly injected into the chamber to facilitate the smooth completion of the injection.

[0024] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A low temperature casting device for stainless steel precision parts, comprising a casting mold (1) and a heating element (2), characterized in that: The casting mold (1) is composed of a lower mold (101) and an upper mold (102), a placement groove (1011) is provided on the side wall of the lower mold (101), and the heating element (2) is embedded in the placement groove (1011), elastic buckle plates (202) provided at both ends of the outer shell (201) of the heating element (2) abut against the placement groove (1011), a heating plate (203) is embedded in the outer shell (201), and the electric heating wire (204) in the heating plate (203) is electrically connected to the wiring port (205) on the outer shell (201).

2. A low temperature casting device for stainless steel precision parts according to claim 1, characterized in that: The housing (201) is provided with an embedding cavity on one side facing the placement sink (1011), the heating plate (203) is placed in the embedding cavity, and the heating wire (204) is evenly distributed in the heating plate (203), both ends of the heating wire (204) are fixedly connected to the conductor on the wiring port (205), and a thermal pad is placed between the contact surface of the heating plate (203) and the placement sink (1011).

3. A low temperature casting device for stainless steel precision parts according to claim 2, characterized in that: The elastic buckle plates (202) disposed at both ends of the shell (201) are provided with curved protrusions, which abut against limiting grooves provided at corresponding positions on the side walls of the placement sink (1011), and a handle (206) is fixedly connected to a side of the shell (201) facing away from the lower mold (101).

4. The low temperature casting device for stainless steel precision parts according to claim 1, characterized in that: A casting chamber is provided in the lower mold (101), and a first end plate (1012) is integrally provided at the upper end portion of the lower mold (101), and a second end plate (1023) is integrally provided at the edge portion of the upper mold (102) and is provided in cooperation with the first end plate (1012).

5. A low temperature casting device for stainless steel precision parts according to claim 4, characterized in that: Bolt holes are provided on the first end plate (1012) and the second end plate (1023); the first end plate (1012) and the second end plate (1023) are fixedly connected by bolts; and an elastic sealing ring is provided between the first end plate (1012) and the second end plate (1023).

6. A low temperature casting device for stainless steel precision parts according to claim 5, characterized in that: The injection port (1021) and the air outlet (1022) provided on the upper mold (102) are both connected to the casting chamber in the lower mold (101); an injection pipe connector is provided on the injection port (1021); and an exhaust valve is arranged at the air outlet (1022).

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