Low-pressure casting nitrogen recycling pressurizing device

Abstract

The utility model relates to low pressure casting technical field, and disclose a kind of low pressure casting nitrogen gas recycling pressurizing device, including: high pressure bag;Low pressure bag, set in one side of high pressure bag;Heat storage tank heat storage device, set in one side of low pressure bag;Heat preservation furnace, set in one side of heat storage tank heat storage device. By in initial state, the horizontal state of keeping opening upward under the action of the limiting block of arc sealing plate two, transfer box is slid into between the inside of installation in transmission pipe, subsequently handheld handle two, rotate arc sealing plate two, make sliding column enter sliding slot one and along its trajectory slide, to this conversion is the horizontal state of opening downward, subsequently under the action of limiting groove and sliding groove, make arc sealing plate two slide downward, make the inner wall of arc sealing plate two and the outer wall of transmission pipe, connecting pipe fit, to this reach the purpose of sealing pipeline junction, subsequently rotate bolt, reach the purpose of fixed arc sealing plate two and arc sealing plate one position.

Description

Technical Field

[0001] This utility model relates to the field of low-pressure casting technology, specifically to a low-pressure casting nitrogen recycling pressurization device. Background Technology

[0002] In low-pressure casting, nitrogen is often used as a pressurizing medium to achieve the filling and solidification of molten metal in the mold. The nitrogen pressurization system plays a key role in ensuring the quality and stability of low-pressure casting.

[0003] To address the issue of nitrogen purity, some existing low-pressure casting nitrogen pressurization systems have been equipped with filtration devices. However, the installation and maintenance of these filtration devices are quite complex. For example, the installation and replacement of filter plates in some filtration devices require the disassembly of multiple components, which is cumbersome, consumes a lot of time and manpower, increases equipment downtime, and reduces production efficiency. Utility Model Content

[0004] The purpose of this invention is to provide a low-pressure casting nitrogen recycling pressurization device, which solves the technical problem that the installation and replacement of filter plates in some existing filter devices require the disassembly of multiple parts and is cumbersome, thus achieving the goal of ensuring the purity of nitrogen.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a low-pressure casting nitrogen recycling pressurization device, comprising: a high-pressure transformer; a low-pressure transformer disposed on one side of the high-pressure transformer; a heat storage tank heat storage device disposed on one side of the low-pressure transformer; a heat preservation furnace disposed on one side of the heat storage tank heat storage device; a filter portion disposed on the top of the high-pressure transformer; a sealing portion disposed on the outer wall of the filter portion; and a nitrogen conduit disposed on the top of the high-pressure transformer.

[0006] Preferably, the filtration section includes: a transmission pipe, which is respectively connected to the top of the high-pressure transformer, the low-pressure transformer, and the heat storage tank; and a transmission box, which is slidably connected between the transmission pipes.

[0007] Preferably, the top of the transmission box is provided with an installation groove, and the installation grooves are equidistantly arranged; a sliding groove is provided on one side of the transmission box, a limiting groove is provided on one side of the transmission box, and a connecting pipe is provided on one side of the transmission box. The connecting pipes are symmetrically arranged and adapted to the transmission pipe. A filter plate is slidably connected inside the installation groove. The filter plate can effectively filter out impurities such as dust and oil carried in the nitrogen.

[0008] Preferably, the top of the transmission box is rotatably connected to a baffle via a base, and the top of the transmission box is fixedly connected to an elastic hook, which engages with the baffle. A handle is fixedly connected to one side of the elastic hook. The design of the baffle not only blocks and limits the filter plate, but also prevents the filter plate from shifting due to gas flow or vibration during transmission.

[0009] Preferably, the sealing part includes: a sealing plate one, which is fixedly connected to one side of the transmission box, and the arc-shaped sealing plates one are symmetrically arranged; a connecting plate, which is slidably connected to the inside of the limiting groove; and a limiting block, which is fixedly connected to one side of the transmission box, so that the arc-shaped sealing plate two is in a horizontal state with the opening facing upward, which facilitates the sliding of the transmission box into the installation.

[0010] Preferably, one side of the arc-shaped sealing plate is provided with a threaded hole, the arc-shaped sealing plate is adapted to the transmission box and the connecting pipe, one side of the connecting plate is fixedly connected to a connecting column, the connecting column is adapted to the limiting groove, one end of the connecting column is fixedly connected to an arc-shaped sealing plate, the arc-shaped sealing plate can slide down to make its inner wall fit tightly against the outer wall of the transmission pipe and the connecting pipe.

[0011] Preferably, the second arc-shaped sealing plate is compatible with the transmission box and the connecting pipe. A second handle is fixedly connected to the top of the outer wall of the second arc-shaped sealing plate. A sliding column is fixedly connected to one side of the second arc-shaped sealing plate. The sliding column is slidably connected to the first sliding groove. A second threaded hole is opened on one side of the second arc-shaped sealing plate. A bolt is threaded inside the second threaded hole. The bolt is compatible with the first threaded hole.

[0012] This invention provides a low-pressure casting nitrogen recycling pressurization device. It has the following beneficial effects: (1) This utility model slides the transmission box between the inner sides of the transmission pipe, thereby aligning the connecting pipe with the transmission pipe. Then, under the action of the sealing part, the connection between the connecting pipe and the transmission pipe is sealed, thereby achieving the purpose of installing the transmission box. Then, the filter plate is slidably installed inside the transmission box. The baffle is rotated to block and limit the top of the filter plate. Under the action of the elastic hook, the baffle is locked and fixed, thereby achieving the purpose of filtering dust and oil and ensuring the purity of nitrogen.

[0013] (2) In the initial state, the arc-shaped sealing plate II maintains a horizontal state with the opening facing upward under the action of the limiting block. The transmission box is slid into the inner side of the transmission pipe. Then, by holding the handle II, the arc-shaped sealing plate II is rotated so that the sliding column enters the sliding groove I and slides along its trajectory, thereby changing to a horizontal state with the opening facing downward. Then, under the action of the limiting groove and the sliding groove, the arc-shaped sealing plate II slides downward, so that the inner wall of the arc-shaped sealing plate II fits with the outer wall of the transmission pipe and the connecting pipe, thereby achieving the purpose of sealing the pipe connection. Then, the bolt is rotated to fix the position of the arc-shaped sealing plate II and the arc-shaped sealing plate I. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the main structure of this utility model; Figure 2 This is a front view of the present utility model; Figure 3 This is a view of the filter part of the present invention; Figure 4 This is a detailed view of the filter part of this utility model; Figure 5 This is a view of the sealing part of this utility model.

[0015] In the diagram: 1 High-pressure transformer, 2 Low-pressure transformer, 3 Heat storage tank, 4 Insulation furnace, 5 Filter section, 6 Sealing section; 511 Transmission pipe, 512 Transmission box, 513 Connecting pipe, 514 Filter plate, 515 Baffle, 516 Elastic hook, 517 Handle 1; 611 Arc-shaped sealing plate I, 612 Connecting disc, 613 Connecting column, 614 Limiting block, 615 Arc-shaped sealing plate II, 616 Sliding column, 617 Handle II, 618 Bolt. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0018] Example 1: Addressing the cumbersome operational issues inherent in existing filtration devices where filter plate installation and replacement require disassembly of multiple components, this invention provides a preferred embodiment of a low-pressure casting nitrogen recycling pressurization device. Figure 1-5 As shown: A low-pressure casting nitrogen recycling pressurization device includes: a high-pressure unit 1; a low-pressure unit 2, disposed on one side of the high-pressure unit 1; a heat storage tank 3, disposed on one side of the low-pressure unit 2; a heat storage furnace 4, disposed on one side of the heat storage tank 3; a filter part 5 disposed on the top of the high-pressure unit 1; a sealing part 6 disposed on the outer wall of the filter part 5; and a nitrogen conduit connected to the top of the high-pressure unit 1.

[0019] The filter section 5 includes: a transmission pipe 511, which is respectively connected to the top of the high-pressure transformer 1, the low-pressure transformer 2, and the heat storage tank 3; and a transmission box 512, which is slidably connected between the transmission pipes 511.

[0020] The top of the transmission box 512 is provided with an installation groove, which is equidistant from each other; a sliding groove is provided on one side of the transmission box 512, a limiting groove is provided on one side of the transmission box 512, and a connecting pipe 513 is provided on one side of the transmission box 512. The connecting pipes 513 are symmetrically arranged and are adapted to the transmission pipes 511. A filter plate 514 is slidably connected inside the installation groove.

[0021] The top of the transmission box 512 is rotatably connected to a baffle 515 via a base. The top of the transmission box 512 is fixedly connected to an elastic hook 516, which engages with the baffle 515. A handle 517 is fixedly connected to one side of the elastic hook 516.

[0022] Furthermore, in this embodiment, the transfer box 512 is slidably installed between the inner sides of the transfer pipe 511, thereby aligning the connecting pipe 513 with the transfer pipe 511. Then, under the action of the sealing part 6, the connection between the connecting pipe 513 and the transfer pipe 511 is sealed, thereby achieving the purpose of installing the transfer box 512. Subsequently, the filter plate 514 is slidably installed inside the transfer box 512, and the baffle 515 is rotated to block and limit the top of the filter plate 514. Under the action of the elastic hook 516, the baffle 515 is locked and fixed, thereby achieving the purpose of filtering dust and oil stains and ensuring the purity of nitrogen.

[0023] Example 2: Based on Embodiment 1, a preferred embodiment of the low-pressure casting nitrogen recycling pressurization device provided by this utility model is as follows: Figure 1-5 As shown: The sealing part 6 includes: a sealing plate 611, which is fixedly connected to one side of the transmission box 512, and the arc-shaped sealing plates 611 are symmetrically arranged; a connecting plate 612, which is slidably connected to the inside of the limiting groove; and a limiting block 614, which is fixedly connected to one side of the transmission box 512.

[0024] A threaded hole is provided on one side of the arc-shaped sealing plate 611. The arc-shaped sealing plate 611 is compatible with the transmission box 512 and the connecting pipe 513. A connecting post 613 is fixedly connected to one side of the connecting plate 612. The connecting post 613 is compatible with the limiting groove. An arc-shaped sealing plate 615 is fixedly connected to one end of the connecting post 613.

[0025] The arc-shaped sealing plate 615 is compatible with the transmission box 512 and the connecting pipe 513. A handle 617 is fixedly connected to the top of the outer wall of the arc-shaped sealing plate 615. A sliding column 616 is fixedly connected to one side of the arc-shaped sealing plate 615. The sliding column 616 is slidably connected to the sliding groove. A threaded hole 2 is opened on one side of the arc-shaped sealing plate 615. A bolt 618 is threaded inside the threaded hole 2. The bolt 618 is compatible with the threaded hole 1.

[0026] Furthermore, in this embodiment, under the action of the limiting block 614 of the arc-shaped sealing plate 615 in the initial state, the opening is kept in a horizontal state with the horizontal opening facing upward. The transmission box 512 is slid into the inner side of the transmission pipe 511. Then, by holding the handle 617, the arc-shaped sealing plate 615 is rotated, so that the sliding column 616 enters the sliding groove and slides along its trajectory, thereby changing to a horizontal state with the horizontal opening facing downward. Then, under the action of the limiting groove and the sliding groove, the arc-shaped sealing plate 615 slides downward, so that the inner wall of the arc-shaped sealing plate 615 fits against the outer wall of the transmission pipe 511 and the connecting pipe 513, thereby achieving the purpose of sealing the pipe connection. Then, the bolt 618 is rotated to fix the position of the arc-shaped sealing plate 615 and the arc-shaped sealing plate 611.

[0027] In use, firstly, the transfer box 512 is slidably installed inside the transfer pipe 511, thereby aligning the connecting pipe 513 with the transfer pipe 511. Then, under the action of the sealing part 6, the connection between the connecting pipe 513 and the transfer pipe 511 is sealed, thus achieving the purpose of installing the transfer box 512. Next, the filter plate 514 is slidably installed inside the transfer box 512. The baffle 515 is rotated to block and limit the top of the filter plate 514, thereby locking and fixing the baffle 515 under the action of the elastic hook 516, thus achieving the purpose of filtering dust and oil, ensuring the purity of nitrogen. Secondly, in the initial state, the arc-shaped sealing plate 61... Under the action of the limiting block 614 of 5, the opening is kept in a horizontal state with the horizontal position. The transmission box 512 is slid into the inner side of the transmission pipe 511. Then, holding the handle 617, the arc-shaped sealing plate 615 is rotated so that the sliding column 616 enters the sliding groove and slides along its trajectory, thus changing to a horizontal state with the opening facing downward. Then, under the action of the limiting groove and the sliding groove, the arc-shaped sealing plate 615 slides downward, so that the inner wall of the arc-shaped sealing plate 615 fits against the outer wall of the transmission pipe 511 and the connecting pipe 513, thus achieving the purpose of sealing the pipe connection. Then, the bolt 618 is rotated to fix the position of the arc-shaped sealing plate 615 and the arc-shaped sealing plate 611.

[0028] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0029] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the 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 make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A low-pressure casting nitrogen recycling pressurization device, characterized in that, Includes: high voltage transformer (1); The low-voltage transformer (2) is located on one side of the high-voltage transformer (1); The heat storage tank (3) is installed on one side of the low-pressure tank (2); The heat storage furnace (4) is located on one side of the heat storage device (3) in the heat storage tank; The filter section (5) is located at the top of the high-voltage transformer (1); The sealing part (6) is provided on the outer wall of the filter part (5); The top of the high-pressure transformer (1) is connected to a nitrogen conduit; The filter section (5) includes: The transmission pipe (511) is connected to the top of the high-pressure transformer (1), the low-pressure transformer (2), and the heat storage device (3) of the heat storage tank, respectively; The transmission box (512) is slidably connected between the transmission tubes (511); The top of the transmission box (512) is rotatably connected to a baffle (515) via a base. The top of the transmission box (512) is fixedly connected to an elastic hook (516). The elastic hook (516) engages with the baffle (515). A handle (517) is fixedly connected to one side of the elastic hook (516).

2. The low-pressure casting nitrogen recycling pressurization device according to claim 1, characterized in that: The top of the transmission box (512) is provided with an installation groove, which is equidistantly arranged; a sliding groove is provided on one side of the transmission box (512), a limiting groove is provided on one side of the transmission box (512), a connecting pipe (513) is connected to one side of the transmission box (512), the connecting pipes (513) are symmetrically arranged, the connecting pipes (513) are adapted to the transmission pipes (511), and a filter plate (514) is slidably connected inside the installation groove.

3. The low-pressure casting nitrogen recycling pressurization device according to claim 1, characterized in that: The sealing portion (6) includes: An arc-shaped sealing plate (611) is fixedly connected to one side of the transmission box (512), and the arc-shaped sealing plate (611) is symmetrically arranged. The connecting plate (612) is slidably connected inside the limiting groove; The limiting block (614) is fixedly connected to one side of the transmission box (512).

4. The low-pressure casting nitrogen recycling pressurization device according to claim 3, characterized in that: A threaded hole is provided on one side of the arc-shaped sealing plate (611). The arc-shaped sealing plate (611) is compatible with the transmission box (512) and the connecting pipe (513). A connecting post (613) is fixedly connected to one side of the connecting plate (612). The connecting post (613) is compatible with the limiting groove. An arc-shaped sealing plate (615) is fixedly connected to one end of the connecting post (613).

5. The low-pressure casting nitrogen recycling pressurization device according to claim 4, characterized in that: The arc-shaped sealing plate 2 (615) is compatible with the transmission box (512) and the connecting pipe (513). The top of the outer wall of the arc-shaped sealing plate 2 (615) is fixedly connected to the handle 2 (617). A sliding column (616) is fixedly connected to one side of the arc-shaped sealing plate 2 (615). The sliding column (616) is slidably connected to the sliding groove 1. A threaded hole 2 is opened on one side of the arc-shaped sealing plate 2 (615). A bolt (618) is threaded inside the threaded hole 2. The bolt (618) is compatible with the threaded hole 1.

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