CN217166380U

CN217166380U - Multi-piece casting cavity for ball valve cover

Info

Publication number: CN217166380U
Application number: CN202220109731.XU
Authority: CN
Inventors: 李�荣; 徐红军; 黄麒; 师墨栋
Original assignee: Ningxia Langsheng Precision Manufacturing Technology Co ltd
Current assignee: Ningxia Langsheng Precision Manufacturing Technology Co ltd
Priority date: 2022-01-17
Filing date: 2022-01-17
Publication date: 2022-08-12
Anticipated expiration: 2032-01-17

Abstract

The application discloses a multi-piece casting cavity of a ball valve cover. The casting liquid enters the lower cavity through a first casting pipeline and a second casting pipeline, and then passes through the second casting pipeline, so that the casting liquid fills the lower cavity first. The first lower half circle, the second lower half circle, the third lower half circle, the fourth lower half circle, the fifth lower half circle and the sixth lower half circle, after filling the lower cavity, the casting liquid continues to fill the upper cavity , forming a box of multiple castings, which greatly improves the casting rate of the ball valve cover. In the process of casting, the filling casting liquid will shrink during the casting process of the valve cover. Through the function of the riser, the casting liquid can be replenished, and then the effect of feeding can be achieved. Through the first subsidy, two ball valve bonnet castings are used to connect as a whole to produce high-quality castings, which can increase production capacity, reduce costs, improve man-machine efficiency, and achieve considerable economic benefits.

Description

Multi-piece casting cavity for ball valve cover

Technical Field

The application relates to the technical field of ball valve bonnet casting molding, in particular to a multi-piece casting cavity of a ball valve bonnet.

Background

In the prior art, ball valve cover castings are produced by a one-box-one-piece process, particularly when batch ball valve cover castings are produced, the production efficiency is low, limited capacity resources are occupied, orders cannot be arranged for production and delivery in time, sand-iron ratio is high when the one-box-one-piece process is adopted for production, riser alloy utilization rate is not high, and casting production cost is high.

Therefore, how to improve the production efficiency, release the limited capacity resources and reduce the production cost is a problem that needs to be solved urgently by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

The application provides a many casting die cavities of ball valve gap has solved the problem that current production valve gap foundry goods production efficiency is low.

In order to solve the technical problem, the application provides a many casting die cavities of ball valve gap, include:

the casting cavity is divided into an upper cavity and a lower cavity, a first riser, a second riser, a third riser, a fourth riser and a first casting pipeline are arranged on the upper cavity, the first riser, the second riser, the third riser and the fourth riser penetrate through the top of the upper cavity and are arranged, the first riser is connected with a first upper semicircular ring, the first upper semicircular ring is connected with a second upper semicircular ring, the second upper semicircular ring is connected with a third upper semicircular ring, the third upper semicircular ring is connected with a first patch, the first patch is connected with a fourth upper semicircular ring, the fourth upper semicircular ring is connected with a fifth upper semicircular ring, the fifth upper semicircular ring is connected with a sixth upper semicircular ring, a first lower semicircular ring is arranged in the lower cavity and is connected with a second lower semicircular ring and a second casting pipeline, the second lower semicircular ring is connected with a third lower semicircular ring, the second casting pipeline is connected with a sixth lower semicircular ring, the sixth lower semicircular ring is connected with a fifth lower semicircular ring, the fifth lower semicircular ring is connected with a fourth lower semicircular ring, and the first casting pipeline and the second casting pipeline are arranged in parallel.

Preferably, riser sleeves are arranged on the outer sides of the first riser, the second riser, the third riser and the fourth riser.

Preferably, the first feeder is further connected with a second patch, and the second patch is connected with the first upper half circle.

Preferably, the fourth riser is further connected with a third patch, and the third patch is connected with the sixth upper half circle.

Preferably, the first lower half circle is also connected with a first chilling block.

Preferably, the third lower half circle is also connected with a second chilling block.

Preferably, the fourth lower half circle is also connected with a third chilling block.

Preferably, the third lower half circle is further connected with a fourth chiller.

Compared with the prior art, the utility model provides a many casting die cavities of ball valve gap, casting liquid gets into down the die cavity through first casting pipeline and second casting pipeline, then through the effect of second casting pipeline, make the casting liquid fill earlier first half circle in the die cavity down, second half circle, third half circle, fourth half circle, fifth half circle and sixth half circle down, after filling die cavity down, the die cavity continues to be filled to the casting liquid, form the casting of a case many, the speed of ball valve gap casting has been improved greatly. In the process of casting and forming, the valve cover forming body can shrink, and casting liquid can be supplemented through the riser, so that the feeding effect is achieved. Two ball valve gap castings are connected into a whole through the first subsidy, and high-quality castings are produced, so that the productivity is improved, the cost is reduced, the man-machine efficiency is improved, and the economic benefit is considerable.

Drawings

In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments are briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without making any inventive changes.

Fig. 1 is a schematic structural view of a multi-piece casting cavity of a ball valve cover according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of a multi-piece casting cavity of a ball valve cover according to an embodiment of the present invention;

fig. 3 is a schematic top view of a multi-piece casting cavity of a ball valve cover according to an embodiment of the present invention;

fig. 4 is a schematic view of a first patch structure according to an embodiment of the present invention.

In the figure, 1 an upper cavity, 2 a lower cavity, 3 a first riser, 4 a second riser, 5 a third riser, 6 a fourth riser, 7 a first casting pipeline, 8 a first upper half circle, 9 a second upper half circle, 10 a third upper half circle, 11 a fourth upper half circle, 12 a fifth upper half circle, 13 a sixth upper half circle, 14 a first lower half circle, 15 a second lower half circle, 16 a third lower half circle, 17 a fourth lower half circle, 18 a fifth lower half circle, 19 a sixth lower half circle, 20 a second casting pipeline, 21 a riser sleeve, 22 a first patch, 23 a second patch, 24 a third patch, 25 a first chill, 26 a second chill, 27 a third chill, and 28 a fourth chill.

Detailed Description

In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be described clearly and completely with reference to the accompanying drawings.

The core of this application is to provide a many casting die cavities of ball valve gap, can solve the problem that current production valve gap foundry goods production efficiency is low.

Fig. 1 is the utility model provides a many casting die cavity schematic diagrams of ball valve gap that the embodiment provided, fig. 2 is the utility model discloses a many casting die cavity sectional structure schematic diagrams of ball valve gap that the embodiment provided, fig. 3 is the utility model discloses a many casting die cavities of ball valve gap that the embodiment provided overlook the structure schematic diagram, fig. 4 is the utility model provides a first subsidy structure schematic diagram that provides, as shown in fig. 1 to fig. 4, include:

the casting cavity is divided into an upper cavity 1 and a lower cavity 2, the upper cavity 1 is provided with a first riser 3, a second riser 4, a third riser 5, a fourth riser 6 and a first casting pipeline 7, the first riser 3, the second riser 4, the third riser 5 and the fourth riser 6 are arranged through the top of the upper cavity 1, the first riser 3 is connected with a first upper semicircle 8, the first upper semicircle 8 is connected with a second upper semicircle 9, the second upper semicircle 9 is connected with a third upper semicircle 10, the third upper semicircle 10 is connected with a first patch 22, the first patch 22 is connected with a fourth upper semicircle 11, the fourth upper semicircle 11 is connected with a fifth upper semicircle 12, the fifth upper semicircle 12 is connected with a sixth upper semicircle 13, the lower cavity 2 is internally provided with a first lower semicircle 14, the first lower semicircle 14 is connected with a second lower semicircle 15 and a second casting pipeline 20, the second lower semicircle 15 is connected with a third lower semicircle 16, the second casting pipeline 20 is connected with a sixth lower semi-circle 19, the sixth lower semi-circle 19 is connected with a fifth lower semi-circle 18, the fifth lower semi-circle 18 is connected with a fourth lower semi-circle 17, and the first casting pipeline 7 and the second casting pipeline 20.

Specifically, the casting liquid is poured into the casting cavity through the first casting pipeline 7 and the second casting pipeline 20, wherein the first casting pipeline 7 and the second casting pipeline 20 form a casting system, the adopted casting method is a bottom pouring type casting mode, in the casting process, the forming can be more stable, and the forming quality is improved. In order to increase the feeding amount of the casting liquid and improve the yield, it is preferable that riser sleeves 21 are provided outside the first riser 3, the second riser 4, the third riser 5, and the fourth riser 6, and the riser sleeves 21 have a function of keeping warm, so that the time for the casting liquid in the riser to solidify can be prolonged. The cavity of the riser is a cavity for storing casting liquid, the casting liquid is supplied when a casting is formed, the cavity has the functions of preventing shrinkage cavity, shrinkage porosity, exhaust and slag collection, and the main function of the riser is feeding.

The first upper semicircle 8, the second upper semicircle 9, the third upper semicircle 10, the first lower semicircle 14, the second lower semicircle 15 and the third lower semicircle 16 form a first ball valve cover, the fourth upper semicircle 11, the fifth upper semicircle 12, the sixth upper semicircle 13, the fourth lower semicircle 17, the fifth lower semicircle 18 and the sixth lower semicircle 19 form a second ball valve cover, the first ball valve cover is connected with the second ball valve cover through the first patch, so that two mutually independent ball valve cover castings share a riser, and the ball valve cover castings share one set of pouring system, thereby achieving the purposes of improving the production efficiency and saving the cost and obtaining high-quality castings. During actual casting, can be according to the production requirement, the quantity of die cavity can set up to one case two, three, four etc. and the first casting pipeline 7 of sharing and second casting pipeline 20 constitute the casting system to the dead head that shares realizes that the quantity of production valve gap improves by a wide margin in the unit interval, thereby reduces sand iron ratio, promotes the casting liquid utilization ratio.

In order to make the cooling form a temperature gradient during the casting process, the first feeder 3 is preferably connected with a second patch 23, the second patch 23 is connected with a first upper half circle 8, the fourth feeder 6 is preferably connected with a third patch 24, the third patch 24 is connected with a sixth upper half circle 13, the first lower half circle 14 is preferably connected with a first chiller 25, the third lower half circle 16 is preferably connected with a second chiller 26, the fourth lower half circle 17 is preferably connected with a third chiller 27, and the third lower half circle 16 is preferably connected with a fourth chiller 28. The patch can be made of metal materials or heating materials and heat-insulating materials which are gradually thickened, and a feeding channel of the riser can be formed by the patch, so that feeding is realized, the feeding distance is prolonged, and the number of the risers is reduced.

The application provides a many casting die cavities of ball valve gap, casting liquid gets into down the die cavity through first casting pipeline and second casting pipeline, then through the effect of second casting pipeline, make casting liquid fill earlier first half circle in the die cavity down, second half circle, third half circle, fourth half circle, fifth half circle and sixth half circle down, after filling down the die cavity, casting liquid continues to fill the die cavity, form the casting of a case many, the speed of ball valve gap casting has been improved greatly. In the casting forming process, the valve cover forming body can shrink, casting liquid can be replenished through the riser, and the feeding effect is achieved. Two ball valve gap castings are connected into a whole through the first subsidy, and high-quality castings are produced, so that the productivity is improved, the cost is reduced, the man-machine efficiency is improved, and the economic benefit is considerable.

Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice in the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope of the disclosure being indicated by the following claims.

It will be understood that the present application is not limited to the precise arrangements that have been described above and shown in the drawings, and that various modifications and changes may be made without departing from the scope thereof. The above-described embodiments of the present application do not limit the scope of the present application.

Claims

1. A ball valve bonnet multi-piece casting cavity, characterized in that, comprising:

The casting cavity is divided into an upper cavity and a lower cavity, and the upper cavity is provided with a first riser, a second riser, a third riser, a fourth riser and a first casting pipe. The riser, the second riser, the third riser, and the fourth riser are arranged through the top of the upper cavity, the first riser is connected with a first upper half circle, and the first riser is An upper half circle is connected with a second upper half circle, the second upper half circle is connected with a third upper half circle, the third upper half circle is connected with a first subsidy, and the first subsidy is connected with a fourth upper half circle Half circle, the fourth upper half circle is connected with the fifth upper half circle, the fifth upper half circle is connected with the sixth upper half circle, the lower cavity is provided with a first lower half circle, and the first half circle is arranged in the lower cavity. The lower half circle is connected with the second lower half circle and the second casting pipe, the second lower half circle is connected with the third lower half circle, the second casting pipe is connected with the sixth lower half circle, the sixth The lower half circle is connected with a fifth lower half circle, the fifth lower half circle is connected with a fourth lower half circle, the first casting pipe and the second casting pipe.

2. The multi-piece casting cavity of a ball valve cover according to claim 1, wherein the first riser, the second riser, the third riser, and the fourth riser The outer side of the mouth is provided with a riser sleeve.

3 . The multi-piece casting cavity of a ball valve cover according to claim 1 , wherein the first riser is further connected with a second subsidy, and the second subsidy is connected with the first upper part. 4 . half circle.

4 . The multi-piece casting cavity of a ball valve cover according to claim 1 , wherein the fourth riser is further connected with a third subsidy, and the third subsidy is connected with the sixth upper half circle.

5 . The multi-piece casting cavity of a ball valve cover according to claim 1 , wherein the first lower half circle is further connected with a first cold iron. 6 .

6 . The multi-piece casting cavity of a ball valve cover according to claim 1 , wherein the third lower half circle is further connected with a second cold iron. 7 .

7 . The multi-piece casting cavity of a ball valve cover according to claim 1 , wherein the fourth lower half circle is further connected with a third cold iron. 8 .

8 . The multi-piece casting cavity of a ball valve cover according to claim 1 , wherein the third lower half circle is further connected with a fourth cold iron. 9 .