CN214977642U

CN214977642U - Valve casting mould

Info

Publication number: CN214977642U
Application number: CN202023200371.4U
Authority: CN
Inventors: 凡荣; 吴志清; 张恒; 闫健; 祖明星
Original assignee: Jiangsu Salt Casting Co ltd
Current assignee: Jiangsu Salt Casting Co ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-12-03
Anticipated expiration: 2030-12-25

Abstract

The utility model relates to the technical field of valve equipment, in particular to a valve casting die, which comprises a lower die holder, a lower template, an upper template and an upper die holder; the lower template is arranged above the lower die holder, the upper template is arranged on the upper end surface of the lower template, a casting die cavity is formed when the upper template and the lower template are combined, an injection port is arranged on the upper die holder, an injection channel is arranged on the upper template, the injection port is communicated with the casting die cavity through the injection channel, and a casting die plug is arranged in the casting die cavity; and a cooling pipeline is arranged on the lower template and surrounds the casting die cavity. The slurry in the casting die cavity is cooled through the cooling pipeline, and the cooling water flows out from the water outlet at the other end, so that the cooling time of the product is prolonged, the natural cooling time is prevented from being overlong, and the efficiency is improved.

Description

Valve casting mould

Technical Field

The utility model relates to a valve equipment technical field, concretely relates to valve casting mould.

Background

Valves are indispensable articles in life, are widely used in equipment for gas and liquid storage or transportation, and are accessories for opening and closing pipelines, controlling flow direction, adjusting and controlling parameters (temperature, pressure and flow rate) of a conveying medium. According to their function, they can be classified into shut-off valves, check valves, regulating valves, and the like. The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like.

In the prior art, casting slurry is injected into a casting mold, but the mold is often not provided with a cooling system, and can only wait for natural cooling after injection molding, so that the time spent on cooling a large plastic part of the mold is long, and the efficiency is not high.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem in this application, the utility model provides a valve casting mould.

The utility model provides a following technical scheme: a valve casting die comprises a lower die holder, a lower die plate, an upper die plate and an upper die holder; the lower template is arranged above the lower die holder, the upper template is arranged on the lower end surface of the lower template, a casting die cavity is formed when the upper template and the lower template are combined, an injection port is arranged on the upper die holder, an injection channel is arranged on the upper template, the injection port is communicated with the casting die cavity through the injection channel, and a casting die plug is arranged in the casting die cavity; and a cooling pipeline is arranged on the lower template and surrounds the casting die cavity.

Preferably, the casting mold cavity comprises a main body cavity and a flange cavity, and two sides of the main body cavity are respectively provided with one flange cavity.

Preferably, be equipped with first plunger on the cope match-plate pattern, be equipped with the second plunger on the lower bolster, first plunger is the level setting, follows one side of cope match-plate pattern extends to the flange dish chamber, the second plunger is the level setting, extends to from one side of lower bolster the flange chamber.

Preferably, the upper template is provided with a heat insulation plate, at least one heating rod is arranged above the heat insulation plate, and the at least one heating rod is arranged on two sides of the injection molding channel.

Preferably, the lower template is arranged above the lower die base through a foot support, and an installation space is formed between the lower template and the lower die base.

Preferably, an air injection cavity is arranged below the casting mold cavity, the air injection cavity is communicated with the casting mold cavity through at least one air blowing channel, an air injection channel is arranged below the air injection cavity, an air blowing pump is arranged in the installation space, and the air blowing pump is communicated with the air injection cavity through the air injection channel.

Preferably, gaps are arranged above and below the casting cavity and communicated with the casting cavity.

Preferably, the upper template is provided with a guide post cavity, and the lower template is provided with a guide post matched with the guide post cavity.

The utility model relates to a valve casting mould, its beneficial effect lies in: 1. the slurry enters from the water inlet of the cooling pipeline, the slurry in the casting die cavity is cooled through the cooling pipeline, and the cooling water flows out from the water outlet at the other end, so that the cooling time of the product is prolonged, the natural cooling time is prevented from being overlong, and the efficiency is improved; 2. the blowing pump starts, inputs gas into the gas injection cavity through the blowing channel, and injects the gas into the bottom of the casting die cavity through the blowing channel, so that the whole valve is ejected out, and the demolding efficiency is improved.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural diagram of the device of the present invention;

FIG. 2 is a schematic diagram of the distribution structure of the cooling pipes of the device of the present invention;

labeled as: 1. a lower die holder; 2. a lower template; 3. mounting a template; 4. an upper die holder; 5. a casting die cavity; 51. a body cavity; 52. a flange cavity; 6. an injection molding port; 7. injection molding a channel; 8. a mold plug; 9. Mounting grooves; 10. a cooling duct; 11. a first plunger; 12. a second plunger; 13. a heat insulation plate; 14. A heating rod; 15. a foot support; 16. an installation space; 17. injecting an air cavity; 18. an air blowing channel; 19. A gas injection channel; 20. an air blower; 21. a gap; 22. a guide post cavity; 23. and (6) a guide pillar.

Detailed Description

The conception, specific structure and technical effects of the present invention will be described clearly and completely with reference to the accompanying drawings and embodiments, so as to fully understand the objects, aspects and effects of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly fixed or connected to the other feature or indirectly fixed or connected to the other feature. Furthermore, the description of the upper, lower, left, right, etc. used in the present invention is only relative to the mutual positional relationship of the components of the present invention in the drawings.

The following describes preferred embodiments of the present invention in detail with reference to the accompanying drawings.

As shown in fig. 1 to 2, a valve casting die comprises a lower die holder 1, a lower die plate 2, an upper die plate 3 and an upper die holder 4; the lower die plate 2 is arranged above the lower die holder 1, the upper die plate 3 is arranged on the lower end face of the lower die plate 2, a die cavity 5 is formed when the upper die plate 3 and the lower die plate 2 are combined, an injection molding port 6 is arranged on the upper die base 4, an injection molding channel 7 is arranged on the upper die plate 2, the injection molding port 6 is communicated with the die cavity 5 through the injection molding channel 7, a die plug 8 is arranged in the die cavity 5, and two ends of the die plug 8 are clamped and embedded in a mounting groove 9 of a die. The lower template 2 is provided with a cooling pipeline 10, and the cooling pipeline 10 surrounds the casting die cavity 5. The molding slurry is injected from the injection port 6, and injected into the mold cavity 5 through the injection passage 7 to mold the valve gate. Get into from the water inlet of cooling tube 10, cool down for the thick liquids in the casting die cavity 5 through cooling tube 10, the cooling water flows out from the delivery port of the other end, has improved the cooling time of product, has avoided natural cooling time overlength, has improved efficiency.

The casting die cavity 5 comprises a main body cavity 51 and a flange cavity 52, wherein the flange cavity 52 is respectively arranged on two sides of the main body cavity 51. Be equipped with first plunger 11 on the cope match-plate pattern 3, be equipped with second plunger 12 on the lower bolster 2, first plunger 11 is the level setting, follows 3 one side of cope match-plate pattern extends to flange dish chamber 52, second plunger 12 is the level setting, extends to from one side of lower bolster 2 flange dish chamber 52. The two sides of the upper template 3 and the two sides of the lower template 2 are respectively provided with a first plunger 11 and a second plunger 12, and the first plunger 11 and the second plunger 12 extend to the flange cavity 52 and exceed the flange cavity 52, so that a plurality of threaded holes are formed at the flange.

The upper die plate 3 is provided with a heat insulation plate 13, at least one heating rod 14 is arranged above the heat insulation plate 13, and the at least one heating rod 14 is arranged on two sides of the injection molding channel 7. The heating rod 14 heats the slurry in the injection molding channel 7, the slurry in the injection molding channel 7 is prevented from being rapidly cooled and solidified, the injection molding channel 7 is blocked, and the heat insulation plate 13 can prevent the heat generated by the heating rod 14 from being rapidly transmitted to the bottom to play a heat insulation role.

The lower template 2 is arranged above the lower die holder 1 through a foot support 15, and an installation space 16 is formed between the lower template 2 and the lower die holder 1. An air injection cavity 17 is arranged below the casting mold cavity 5, the air injection cavity 17 is communicated with the casting mold cavity 5 through at least one air blowing channel 18, an air injection channel 19 is arranged below the air injection cavity 17, an air blowing pump 20 is arranged in the installation space 16, and the air blowing pump 20 is communicated with the air injection cavity 17 through the air injection channel 19. During demoulding, the first plunger 11 and the second plunger 12 are pulled out, threaded holes are formed in a flange plate on the valve, then the upper die base 4 and the upper die plate 3 are lifted upwards, in order to more conveniently separate the casting die cavity 5, the blowing pump 20 is started, gas is input into the gas injection cavity 17 through the blowing channel 18, then the gas is injected into the bottom of the casting die cavity 5 through the blowing channel 18, the whole valve is ejected out, and the demoulding efficiency is improved.

Gaps 21 are provided above and below the casting cavity 5, the gaps 21 communicate with the casting cavity 5, and the injected slurry often contains a large amount of gas, which affects the quality of the cast valve. Air bubbles of the slurry in the mould cavity 5 will enter the gap 21 and influence on the quality of the valve is avoided. The excess portion created at the gap 21 is cut and ground after demolding.

The upper template 3 is provided with a guide post cavity 22, and the lower template 2 is provided with a guide post 23 matched with the guide post cavity 22.

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 in the foregoing embodiments, 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 die is characterized by comprising a lower die holder, a lower die plate, an upper die plate and an upper die holder; the lower template is arranged above the lower die holder, the upper template is arranged on the upper end surface of the lower template, a casting die cavity is formed when the upper template and the lower template are combined, an injection port is arranged on the upper die holder, an injection channel is arranged on the upper template, the injection port is communicated with the casting die cavity through the injection channel, and a casting die plug is arranged in the casting die cavity; a cooling pipeline is arranged on the lower template and surrounds the casting die cavity; gaps are arranged above and below the casting die cavity and communicated with the casting die cavity.

2. The valve casting mold of claim 1, wherein the mold cavity comprises a body cavity and a flange cavity, one flange cavity being disposed on each side of the body cavity.

3. The valve casting die of claim 2, wherein the upper die plate is provided with a first plunger, the lower die plate is provided with a second plunger, the first plunger is horizontally arranged and extends from one side of the upper die plate to the flange plate cavity, and the second plunger is horizontally arranged and extends from one side of the lower die plate to the flange plate cavity.

4. The valve casting mold according to claim 1, wherein a heat insulation plate is arranged on the upper mold plate, at least one heating rod is arranged above the heat insulation plate, and at least one heating rod is arranged on two sides of the injection molding channel.

5. The valve casting die of claim 1, wherein the lower die plate is disposed above the lower die base by a foot support, and an installation space is formed between the lower die plate and the lower die base.

6. The valve casting mold as claimed in claim 5, wherein an air injection cavity is provided below the casting mold cavity, the air injection cavity is communicated with the casting mold cavity through at least one air injection channel, an air injection channel is provided below the air injection cavity, and an air injection pump is provided in the installation space and communicated with the air injection cavity through the air injection channel.

7. The valve casting die of claim 1, wherein the upper die plate is provided with guide post cavities, and the lower die plate is provided with guide posts matched with the guide post cavities.