CN218656767U - Valve casting mould with temperature compensation function - Google Patents

Abstract

The utility model discloses a valve casting mold with temperature compensation function, comprising: a lower mold, an upper mold and a temperature compensation assembly, the upper mold is placed above the lower mold, and molded There is a casting port in the upper mold, and a temperature compensation cavity is provided inside the upper mold and the lower mold. The temperature compensation cavity of the upper mold extends to both sides and forms an opening on the side wall of the upper mold. The temperature compensation cavity of the lower mold The two ends extend downwards and form openings on the bottom surface of the lower mold, and the temperature compensation component is installed on the bottom of the lower mold. The utility model installs a temperature compensating component at the bottom of the mould, and heats up and cools down the oil through the semi-conductor refrigerating sheet inside the oil tank, and the heated oil is discharged into the temperature compensation cavity of the mould. Compensation function, after the casting is completed, the low-temperature oil in the oil tank is introduced into the temperature compensation cavity, which has a certain cooling effect and speeds up the molding speed.

Description

A Valve Casting Mold with Temperature Compensation Function

technical field

The utility model relates to the technical field of casting molds, in particular to a valve casting mold with a temperature compensation function.

Background technique

Molds are various molds and tools used in industrial production for casting, blow molding, extrusion, die-casting or forging forming, smelting, stamping and other methods to obtain the required products. In short, molds are tools used to make shaped objects . Casting mold means that in order to obtain the structural shape of the part, other easy-to-form materials are used to make the structural shape of the part in advance, and then the mold is placed in the sand mold, so a cavity with the same structural size as the part is formed in the sand mold. Then pour a fluid liquid into the cavity, and after the liquid cools and solidifies, it can form a part exactly the same as the shape and structure of the mold. Casting molds are an important part of the casting process.

At present, the existing casting molds do not have the function of temperature compensation. During casting, the temperature at the position far away from the casting gate is relatively low, which leads to insufficient feeding. For this reason, need to design a new scheme to give improvement.

Utility model content

The purpose of this utility model is to provide a valve casting mold with temperature compensation function, which solves the problem that the existing casting mold does not have the temperature compensation function. During casting, the temperature at the position far away from the casting port is low, which leads to insufficient feeding The situation of the problem, to meet the actual needs of use.

In order to achieve the above purpose, the utility model provides the following technical solutions: a valve casting mold with temperature compensation function, including: a lower mold, an upper mold and a temperature compensation assembly, the upper mold is placed above the lower mold and the upper mold Cavities are arranged on the opposite surface of the lower mold, and a casting port is opened in the upper mold. A temperature compensation cavity is provided inside the upper mold and the lower mold. The temperature compensation cavity of the upper mold extends to both sides and is in the The side wall of the upper mold forms an opening, the two ends of the temperature compensation cavity of the lower mold extend downwards and form openings on the bottom surface of the lower mold, and the temperature compensation assembly is installed on the bottom of the lower mold.

As a preferred embodiment of the present utility model, the temperature compensation assembly includes a fuel tank, a pump, a connecting pipe and a three-way solenoid valve. There are two three-way solenoid valves installed on both sides of the fuel tank respectively. The two ports of the three-way electromagnetic valve are connected with the oil tank by a conduit, and the other port is connected with the connecting pipe. The pump is installed at the bottom of the lower die and connected with the connecting pipe on one side.

As a preferred embodiment of the present utility model, the connecting pipe has a T-shaped structure, and one end is connected to the opening of the temperature compensation chamber of the lower die, and the other end extends to both sides of the lower die and is connected with a telescopic pipe. The upper end of the upper mold is connected with the opening of the temperature compensation cavity of the upper mold.

As a preferred embodiment of the present utility model, the oil tank is installed on the bottom surface of the lower mold, and the inside of the oil tank is a hollow structure and a semiconductor refrigeration sheet is installed horizontally in the middle, and the semiconductor refrigeration sheet divides the interior of the oil tank into a cooling chamber and a heating chamber , and the hot end of the semiconductor refrigeration chip is placed in the heating chamber, and the cold end is placed in the cooling chamber, and the two side walls of the oil tank are also provided with through holes.

As a preferred embodiment of the present utility model, guide grooves are provided on both sides of the bottom surface of the upper mold, and guide columns are vertically arranged on both sides of the top surface of the lower mold to cooperate with the guide grooves.

Compared with the prior art, the beneficial effects of the utility model are as follows:

In the utility model, a temperature compensating component is installed at the bottom of the mould, and the oil is heated and cooled through the semi-conductor cooling sheet inside the oil tank, and the heated oil is discharged into the temperature compensation cavity of the mould, which plays a role in the casting process. Temperature compensation function, after the casting is completed, the low-temperature oil in the oil tank is introduced into the temperature compensation cavity, which has a certain cooling effect and speeds up the molding speed.

Description of drawings

Fig. 1 is the structural diagram of the valve casting mold with temperature compensation function described in the utility model;

Fig. 2 is the internal structural diagram of the fuel tank described in the utility model.

In the figure: 1. Lower mold; 2. Upper mold; 3. Temperature compensation cavity; 4. Casting port; 5. Cavity; 6. Guide groove; 7. Guide post; 8. Connecting pipe; 9. Three-way solenoid valve ; 10, oil tank; 11, conduit; 12, pump; 13, expansion tube; 14, through hole;

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figure 1-2, the utility model provides a technical solution: a valve casting mold with temperature compensation function, including: lower mold 1, upper mold 2 and temperature compensation components, upper mold 2 placed on lower mold 1 Cavities 5 are provided on the top of the upper mold 2 and the opposite surface of the lower mold 1, the upper mold 2 is provided with a casting port 4, the inside of the upper mold 2 and the lower mold 1 is provided with a temperature compensation cavity 3, and the upper mold 2 The temperature compensation cavity 3 extends to both sides and forms an opening on the side wall of the upper mold 2. The two ends of the temperature compensation cavity 3 of the lower mold 1 extend downwards and form an opening on the bottom surface of the lower mold 1. The temperature compensation assembly is installed on the bottom of the lower mold 1. At the bottom, the temperature compensation component repeatedly introduces the oil into the mold to perform cold and hot temperature compensation and improve the casting speed.

As a further improvement, the temperature compensation assembly includes a fuel tank 10, a pump 12, a connecting pipe 8 and a three-way solenoid valve 9. There are two three-way solenoid valves 9 installed on both sides of the fuel tank 10 respectively. The three-way solenoid valve 9 The two ports of the pump are connected to the oil tank 10 using a conduit 11, and the other port is connected to the connecting pipe 8. The pump 12 is installed at the bottom of the lower die 1 and connected to the connecting pipe 8 on one side. The connecting pipe 8 has a T-shaped structure and one end is connected to the opening of the temperature compensation cavity 3 of the lower die 1, and the other end extends to both sides of the lower die 1 and is connected to a telescopic pipe 13, the upper end of the telescopic pipe 13 is connected to the temperature compensation of the upper die 2. The opening of cavity 3 is connected. The oil tank 10 is installed on the bottom surface of the lower mold 1. The inside of the oil tank 10 is a hollow structure and a semiconductor refrigeration sheet 15 is installed horizontally in the middle. The semiconductor refrigeration sheet 15 divides the inside of the oil tank 10 into a cooling chamber 17 and a heating chamber 16. The hot end is placed in the heating chamber 16, and the cold end is placed in the cooling chamber 17. There are through holes 14 on the two side walls of the oil tank 10. The pump 12 pumps out the oil in the oil tank 10, and the oil is pumped through the three-way solenoid valve 9. Convert and output the oil in the heating cavity 16 and the cooling cavity 17 to compensate for the heating and cooling of the mould.

Specifically, both sides of the bottom surface of the upper mold 2 are provided with guide grooves 6, and both sides of the top surface of the lower mold 1 are vertically provided with guide posts 7 used in conjunction with the guide grooves 6 to play a guiding role.

When the utility model is in use, a temperature compensation assembly is installed at the bottom of the mold, and the oil is heated and cooled through the semiconductor refrigeration sheet 15 inside the oil tank 10, and the heated oil is discharged into the temperature compensation cavity 3 of the mold. It plays a temperature compensation function during the casting process. After the casting is completed, the low-temperature oil in the oil tank 10 is introduced into the temperature compensation chamber 3, which has a certain cooling effect and speeds up the molding speed.

Finally, it should be noted that: the above is only a preferred embodiment of the 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, for those skilled in the art , it is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (5)

1. A valve casting mold with temperature compensation, comprising: lower mould (1), go up mould (2) and temperature compensation subassembly, its characterized in that: go up mould (2) and arrange the top of lower mould (1) in and all be provided with die cavity (5) on the opposite face of mould (2) and lower mould (1), seted up casting mouth (4) in going up mould (2), the inside of going up mould (2) and lower mould (1) all is provided with temperature compensation chamber (3), the temperature compensation chamber (3) of going up mould (2) extend to both sides and form the opening at last mould (2) lateral wall, the both ends downwardly extending of the temperature compensation chamber (3) of lower mould (1) and form the opening at the bottom surface of lower mould (1), the bottom at lower mould (1) is installed to the temperature compensation subassembly.

2. The valve casting mold with temperature compensation function according to claim 1, wherein: temperature compensation subassembly includes oil tank (10), pump machine (12), connecting pipe (8) and tee bend solenoid valve (9), tee bend solenoid valve (9) are provided with two altogether and install respectively in the both sides of oil tank (10), and two ports of tee bend solenoid valve (9) adopt pipe (11) to be connected with oil tank (10), another port is connected with connecting pipe (8), pump machine (12) are installed in lower mould (1) bottom and are connected with connecting pipe (8) of one side.

3. The valve casting mold with temperature compensation function according to claim 2, wherein: the connecting pipe (8) is of a T-shaped structure, one end of the connecting pipe is connected with an opening of the temperature compensation cavity (3) of the lower die (1), the other end of the connecting pipe extends towards two sides of the lower die (1) and is connected with a telescopic pipe (13), and the upper end of the telescopic pipe (13) is connected with an opening of the temperature compensation cavity (3) of the upper die (2).

4. The valve casting mold with temperature compensation function according to claim 3, wherein: the bottom surface at lower mould (1) is installed in oil tank (10), and the inside of oil tank (10) is hollow structure and middle part horizontal installation has semiconductor refrigeration piece (15), semiconductor refrigeration piece (15) are cooling chamber (17) and heating chamber (16) with oil tank (10) internal partitioning, and the hot junction of semiconductor refrigeration piece (15) is arranged in heating chamber (16), the cold junction is arranged in cooling chamber (17), through-hole (14) have still been seted up on the both sides wall of oil tank (10).

5. The valve casting mold with temperature compensation function according to claim 1, wherein: guide grooves (6) are formed in two sides of the bottom surface of the upper die (2), and guide pillars (7) matched with the guide grooves (6) for use are vertically arranged on two sides of the top surface of the lower die (1).

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