Gate valve producing and casting device

Abstract

The utility model relates to the technical field of casting devices, and provides a gate valve producing and casting device in order to overcome the defect of low cooling efficiency in the prior art, the gate valve producing and casting device comprises a sand mold box, the top of the sand mold box is of an open structure, heat dissipation cavities are formed in the periphery of a box body of the sand mold box, and the heat dissipation cavities are communicated with one another. According to the utility model, through the arrangement of the heat dissipation cavity, in the casting cooling process, hot air generated in the sand mold box enters the heat dissipation cavity through the air holes in the periphery of the interior of the box body, then passes through the filtering mechanisms on the two sides of the sand mold box, and is discharged into the surrounding air; and the heat dissipation efficiency of the casting in the sand box is improved, so that the working efficiency of casting is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of casting devices, in particular to a gate valve production casting device. Background Art

[0002] The gate valve is a commonly used industrial valve, which is mainly composed of valve body, valve cover, valve stem, valve seat, valve plate and other parts. In the gate valve production and casting process, it is first necessary to make the sand mold of the gate valve parts in the sand box according to the design requirements and structural characteristics of the gate valve. By filling the sand box with sand and compacting the sand with a template or mold, a sand mold that meets the shape and size of the parts is made, and then the metal is cast and the casting is waited for cooling and solidification.

[0003] In the prior art, the casting lower mold of the gate valve cover (publication number: CN201751050U) adopts a sand mold and a sand core as a whole by setting a casting forming mold, and is made at one time by a core shooting machine hot core box. It not only improves the strength and air permeability of the casting mold, reduces the gas emission of the sand mold and the sand core, but also improves the surface quality of the casting and reduces casting defects. However, the equipment can only wait for natural cooling during the cooling process, and the working efficiency is low. Therefore, it is urgent to design a gate valve production casting device with high cooling efficiency. Utility Model Content

[0004] The utility model aims to solve the shortcoming of low cooling efficiency in the prior art and proposes a gate valve production casting device.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A gate valve production casting device includes a sand mold box, the top of the sand mold box is an open structure, heat dissipation cavities are opened inside the four sides of the sand mold box, and multiple heat dissipation cavities are interconnected, multiple air holes are opened inside the four sides of the sand mold box, exhaust holes penetrating the outer surface of the sand mold box are opened on two opposite sides, an annular shell is fixedly installed in each exhaust hole, and a filtering mechanism is provided in each annular shell.

[0007] As a further technical solution of the utility model, the other two opposite sides of the sand mold box are fixedly installed with lifting rings, and the top of the sand mold box is slidably installed with a trowel plate.

[0008] As a further technical solution of the utility model, the filtering mechanism includes a fan, a limit bolt, a filter element block and a support frame, the support frame includes a support rod and a transfer column, the support rod is in a "cross" structure and is fixedly installed in the exhaust hole near one end of the heat dissipation cavity, the transfer column is fixedly installed on one side of the support rod, and a blind threaded hole is opened at one end of the transfer column.

[0009] As a further technical solution of the utility model, the filter element block is made of activated carbon, and a circular hole penetrating through the surface of the filter element block and matching the adapter column is opened on one side of the filter element block, and the filter element block is slidably connected to the surface of the support frame through the circular hole.

[0010] As a further technical solution of the utility model, a through hole penetrating the surface of the fan and matching with the adapter column is provided on one side of the fan, a groove is provided on the surface of one side of the fan, and the fan is rotatably sleeved on one end of the adapter column through the through hole.

[0011] As a further technical solution of the utility model, a semi-thread compatible with the blind threaded hole is opened on the surface of the limit bolt, a knob is fixedly installed on one end of the limit bolt, and the other end of the limit bolt passes through the through hole of the fan and is threadedly connected to the adapter column.

[0012] As a further technical solution of the utility model, servo motors are fixedly installed on two opposite sides of the sand mold box, and a belt is sleeved between the output end of the servo motor and the groove.

[0013] The beneficial effects of the utility model are:

[0014] By setting the sand mold box to have a hollow structure to form a heat dissipation cavity, during the cooling process of the casting, the hot air generated in the box enters the heat dissipation cavity through the air holes around the inside of the box, and then passes through the filtering mechanisms on both sides of the sand mold box and is discharged into the surrounding air, which speeds up the heat dissipation efficiency of the casting in the sand mold box and thus improves the working efficiency of casting. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of a gate valve production casting device proposed by the utility model;

[0016] Figure 2 This is a schematic cross-sectional structure diagram of a sand mold box of a gate valve production casting device proposed by the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of a filter mechanism of a gate valve production casting device proposed by the utility model;

[0018] Figure 4 The utility model provides a schematic diagram of the fan split structure of a gate valve production casting device.

[0019] In the figure: 1. Sand mold box; 2. Lifting ring; 3. Smoothing plate; 4. Air vent; 5. Ring shell; 6. Fan; 7. Belt; 8. Servo motor; 9. Limit bolt; 10. Filter element block; 11. Support frame; 601. Through hole; 602. Groove; 1101. Support rod; 1102. Adapter column. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0021] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0022] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] Please refer to the attached Figure 1 -Attached Figure 4 A gate valve production casting device includes a sand mold box 1, the top of the sand mold box 1 is an open structure, the sand mold box 1 is provided with heat dissipation cavities around the box body, and the multiple heat dissipation cavities are interconnected, the sand mold box 1 is provided with multiple air holes 4 around the inside, the two opposite sides of the sand mold box 1 are provided with exhaust holes penetrating the outer surface thereof, each exhaust hole is fixedly installed with an annular shell 5, each annular shell 5 is provided with a filtering mechanism, the other two opposite sides of the sand mold box 1 are fixedly installed with lifting rings 2, and a trowel plate 3 is slidably installed on the top of the sand mold box 1. Through the setting of the device, when in use, the sand mold box 1 is lifted by the lifting ring 2. Ring 2 hoists the sand mold box 1 to the designated position for casting. After the sand mold box 1 is filled with special sand, the top of the special sand can be quickly smoothed by sliding the trowel plate 3 back and forth on the top of the sand mold box 1, avoiding the need to use equipment for smoothing, thereby improving work efficiency. By setting a heat dissipation cavity and during the cooling process of the casting, the hot air generated in the box passes through the air vents 4 around the inside of the box and enters the heat dissipation cavity, and then passes through the filtering mechanisms on both sides of the sand mold box 1 and is discharged into the surrounding air, thereby accelerating the heat dissipation efficiency of the casting in the sand mold box 1, thereby improving the working efficiency of casting.

[0024] Please refer to the attached Figure 3 and attached Figure 4In a preferred embodiment, the filtering mechanism includes a fan 6, a limit bolt 9, a filter element block 10 and a support frame 11, the support frame 11 includes a support rod 1101 and an adapter column 1102, the support rod 1101 is fixedly installed in the exhaust hole near one end of the heat dissipation cavity in a "cross" structure, the adapter column 1102 is fixedly installed on one side of the support rod 1101, and a blind threaded hole is opened at one end of the adapter column 1102, the filter element block 10 is made of activated carbon, and a circular hole penetrating its surface and matching with the adapter column 1102 is opened on one side of the filter element block 10, the filter element block 10 is slidably sleeved on the surface of the support frame 11 through the circular hole, and the support frame 11 is provided to facilitate the installation of the filter element block 10 and the fan 6. The rotation of the fan 6 accelerates the emission of heat and smoke generated in the casting process, and at the same time, the particles in the smoke can be filtered and absorbed by the filter element block 10, so as to avoid a large amount of smoke being directly discharged into the surrounding air, which affects the health of the staff and improves the practicality of the equipment.

[0025] Please refer to the attached Figure 3 and attached Figure 4 In a preferred embodiment, a through hole 601 is provided on one side of the fan 6, which passes through the surface of the fan 6 and is compatible with the adapter column 1102. A groove 602 is provided on the surface of one side of the fan 6. The fan 6 is rotatably sleeved on one end of the adapter column 1102 through the through hole 601. A semi-thread compatible with the blind threaded hole is provided on the surface of the limit bolt 9. A knob is fixedly installed on one end of the limit bolt 9. The other end of the limit bolt 9 passes through the through hole 601 of the fan 6 and is threadedly connected to the adapter column 1102. Servo motors 8 are fixedly installed on both opposite sides of the sand mold box 1. A belt 7 is sleeved between the output end of the servo motor 8 and the groove 602. When cooling the casting, the servo motor 8 is started, and the corresponding fan 6 is driven to rotate in the annular housing 5 through the belt 7, thereby accelerating the heat dissipation efficiency inside the sand mold box 1. The limit bolt 9 can provide support for the rotation of the fan 6, and the knob can limit the sliding of the fan 6, so that the fan 6 can operate stably, and it is convenient for daily disassembly and maintenance, thereby improving the convenience of equipment disassembly.

[0026] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A gate valve production casting device, comprising a sand mold box (1), characterized in that: The top of the sand mold box (1) is an open structure. The sand mold box (1) is provided with heat dissipation cavities on all sides of the box body, and the plurality of heat dissipation cavities are interconnected. The sand mold box (1) is provided with a plurality of air holes (4) on all sides of the inside. The sand mold box (1) is provided with exhaust holes penetrating the outer surface thereof on two opposite sides. An annular shell (5) is fixedly installed in each of the exhaust holes, and a filtering mechanism is provided in each of the annular shells (5).

2. A gate valve production casting device according to claim 1, characterized in that: The other two opposite sides of the sand mold box (1) are fixedly mounted with lifting rings (2), and the top of the sand mold box (1) is slidably mounted with a trowel plate (3).

3. A gate valve production casting device according to claim 2, characterized in that: The filtering mechanism comprises a fan (6), a limiting bolt (9), a filter element block (10) and a support frame (11); the support frame (11) comprises a support rod (1101) and a transfer column (1102); the support rod (1101) is fixedly mounted in a "cross" structure in an exhaust hole near one end of a heat dissipation cavity; the transfer column (1102) is fixedly mounted on one side of the support rod (1101); and a blind threaded hole is provided at one end of the transfer column (1102).

4. A gate valve production casting device according to claim 3, characterized in that: The filter element block (10) is made of activated carbon, and a circular hole penetrating the surface of the filter element block (10) and matching the adapter column (1102) is provided on one side of the filter element block (10). The filter element block (10) is slidably sleeved on the surface of the support frame (11) through the circular hole.

5. A gate valve production casting device according to claim 3, characterized in that: A through hole (601) is provided on one side of the fan (6) and penetrates through the surface thereof and is compatible with the adapter column (1102). A groove (602) is provided on the surface of one side of the fan (6). The fan (6) is rotatably sleeved on one end of the adapter column (1102) through the through hole (601).

6. A gate valve production casting device according to claim 3, characterized in that: The surface of the limiting bolt (9) is provided with a semi-thread matched with the blind threaded hole, one end of the limiting bolt (9) is fixedly mounted with a knob, and the other end of the limiting bolt (9) passes through the through hole (601) of the fan (6) and is threadedly connected to the adapter column (1102).

7. A gate valve production casting device according to claim 1, characterized in that: A servo motor (8) is fixedly mounted on two opposite sides of the sand mold box (1), and a belt (7) is sleeved between the output end of the servo motor (8) and the groove (602).

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