CN218656767U

CN218656767U - Valve casting mould with temperature compensation function

Info

Publication number: CN218656767U
Application number: CN202222410510.9U
Authority: CN
Inventors: 周力; 刘恩赐; 肖雪
Original assignee: Anhui Chaohu Guanlai Mould Co ltd
Current assignee: Anhui Chaohu Guanlai Mould Co ltd
Priority date: 2022-09-09
Filing date: 2022-09-09
Publication date: 2023-03-21
Anticipated expiration: 2032-09-09

Abstract

The utility model discloses a valve casting mould with temperature compensation function, include: the temperature compensation device comprises a lower die, an upper die and a temperature compensation assembly, wherein the upper die is arranged above the lower die, a cavity is formed in the opposite surface of the upper die and the lower die, a casting opening is formed in the upper die, temperature compensation cavities are formed in the inner parts of the upper die and the lower die, the temperature compensation cavities of the upper die extend towards two sides and form an opening in the side wall of the upper die, two ends of the temperature compensation cavities of the lower die extend downwards and form an opening in the bottom surface of the lower die, and the temperature compensation assembly is installed at the bottom of the lower die. The utility model discloses at the bottom installation temperature compensation subassembly of mould, come to heat up and cool down fluid through the inside semiconductor refrigeration piece of oil tank, during the temperature compensation chamber of mould was arranged into to fluid after the intensification, played the temperature compensation function in casting process, played certain cooling effect with the leading-in temperature compensation chamber of low temperature fluid of oil tank after the casting was accomplished for shaping speed.

Description

Valve casting mould with temperature compensation function

Technical Field

The utility model relates to a casting mould technical field, more specifically are a valve casting mould with temperature compensation function.

Background

The mold is a variety of dies and tools for obtaining a desired product by casting, blow molding, extrusion, die casting or forging molding, smelting, stamping, etc. in industrial production, and in short, the mold is a tool for manufacturing a molded article. The casting mold is used for obtaining the structural shape of the part, other easily-formed materials are used for forming the structural shape of the part in advance, then the part is placed into the mold, a cavity with the same structural size as the part is formed in the sand mold, then the fluid liquid is poured into the cavity, and the part with the same structural shape as the mold can be formed after the fluid liquid is cooled and solidified. Casting molds are an important part of the casting process.

At present, the existing casting mould does not have a temperature compensation function, and the temperature of a position far away from a casting opening is lower during casting, so that the situation of insufficient feeding is caused. For this reason, a new scheme needs to be designed to give improvements.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a valve casting mould with temperature compensation function has solved current casting mould and has not possessed the temperature compensation function, and when the casting, the position temperature of keeping away from the sprue gate is lower to lead to the problem of the not enough condition of feeding, satisfy the in-service use demand.

In order to achieve the above object, the utility model provides a following technical scheme: a valve casting mold with temperature compensation, comprising: lower mould, last mould and temperature compensation subassembly, go up the mould and arrange the top of lower mould in and all be provided with the die cavity on the opposite face of mould and lower mould, seted up the casting mouth in going up the mould, the inside of going up mould and lower mould all is provided with the temperature compensation chamber, the temperature compensation chamber of going up the mould extends to both sides and forms the opening at last mould lateral wall, the both ends downwardly extending in the temperature compensation chamber of lower mould and form the opening in the bottom surface of lower mould, the bottom at the lower mould is installed to the temperature compensation subassembly.

As a preferred embodiment of the utility model, the temperature compensation subassembly includes oil tank, pump machine, connecting pipe and three solenoid valve, three solenoid valve is provided with two altogether and installs respectively in the both sides of oil tank, and two ports of three solenoid valve adopt the pipe to be connected with the oil tank, another port is connected with the connecting pipe, the pump machine is installed in the lower mould bottom and is connected with the connecting pipe of one side.

As a preferred embodiment of the utility model, the connecting pipe is that the opening in the temperature compensation chamber of T shape structure and one end and lower mould is connected, the other end extends to the lower mould both sides and is connected with flexible pipe, the upper end of flexible pipe is connected with the opening in the temperature compensation chamber of last mould.

As the utility model discloses a preferred embodiment, the bottom surface at the lower mould is installed to the oil tank, and the inside of oil tank has the semiconductor refrigeration piece for hollow structure and middle part horizontal installation, the semiconductor refrigeration piece separates for cooling chamber and intensification chamber with the oil tank inside, and the hot junction of semiconductor refrigeration piece arranges in the intracavity that cools down, the cold junction is arranged in the cooling intracavity, the through-hole has still been seted up on the both sides wall of oil tank.

As an optimal implementation mode of the utility model, the guide way has been seted up to the bottom surface both sides of going up the mould, and the top surface both sides of lower mould are vertical to be provided with the guide pillar that the cooperation guide way used.

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

the utility model discloses, at the bottom installation temperature compensation subassembly of mould, come to heat up and cool down fluid through the inside semiconductor refrigeration piece of oil tank, during the temperature compensation chamber of mould was arranged into to fluid after the intensification, played the temperature compensation function in the casting process, play certain cooling effect with the leading-in temperature compensation chamber of low temperature fluid of oil tank after the casting was accomplished for shaping speed.

Drawings

Fig. 1 is a structural diagram of a valve casting mold with a temperature compensation function according to the present invention;

fig. 2 is the internal structure diagram of the oil tank of the present invention.

In the figure, 1, a lower die; 2. an upper die; 3. a temperature compensation chamber; 4. a casting port; 5. a cavity; 6. a guide groove; 7. a guide post; 8. a connecting pipe; 9. a three-way electromagnetic valve; 10. an oil tank; 11. a conduit; 12. a pump machine; 13. a telescopic pipe; 14. a through hole; 15. a semiconductor refrigeration sheet; 16. a temperature raising cavity; 17. a cooling cavity.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a valve casting mold with temperature compensation function, comprising: lower mould 1, go up mould 2 and temperature compensation subassembly, it all is provided with the die cavity 5 on the top of lower mould 1 and the opposite face of last mould 2 and lower mould 1 to go up mould 2 to arrange in, it has casting mouth 4 to go up to have seted up in 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 extends to both sides and forms 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 in the bottom surface of lower mould 1, temperature compensation unit mount is in the bottom of lower mould 1, temperature compensation subassembly is with fluid leading-in mould repeatedly, carry out cold and hot temperature compensation, improve the casting shaping speed.

Further improved, the temperature compensation assembly comprises an oil tank 10, a pump 12, a connecting pipe 8 and a three-way electromagnetic valve 9, the three-way electromagnetic valve 9 is provided with two parts and is respectively installed on two sides of the oil tank 10, two ports of the three-way electromagnetic valve 9 are connected with the oil tank 10 through a guide pipe 11, the other port of the three-way electromagnetic valve is connected with the connecting pipe 8, and the pump 12 is installed at the bottom of the lower die 1 and is connected with the connecting pipe 8 on one side. The connecting pipe 8 is of a T-shaped structure, one end of the connecting pipe is connected with the opening of the temperature compensation cavity 3 of the lower die 1, the other end of the connecting pipe extends towards the 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 the opening of the temperature compensation cavity 3 of the upper die 2. The bottom surface at lower mould 1 is installed to oil tank 10, the inside of oil tank 10 is hollow structure and middle part horizontal installation has semiconductor refrigeration piece 15, semiconductor refrigeration piece 15 separates the oil tank 10 inside for cooling chamber 17 and heating chamber 16, 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 has still been seted up on the both sides wall of oil tank 10, pump 12 takes oil in the oil tank 10 out, come the conversion output through three solenoid valve 9 and rise temperature chamber 16 and cooling chamber 17 interior oil, play intensification and cooling compensation to the mould.

Specifically, 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 to be used are vertically arranged on two sides of the top surface of the lower die 1 to play a role in guiding.

The utility model discloses when using, at the bottom installation temperature compensation subassembly of mould, heat up and cool down fluid through the inside semiconductor refrigeration piece 15 of oil tank 10, during the temperature compensation chamber 3 of mould is arranged into to fluid after the intensification, plays the temperature compensation function in the casting in-process, and the casting is accomplished the back and is played certain cooling effect with the leading-in temperature compensation chamber 3 of low temperature fluid of oil tank 10 for shaping speed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

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).