CN216989773U - Casting system formed by adopting modular sand core casting pipes - Google Patents
Casting system formed by adopting modular sand core casting pipes Download PDFInfo
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- CN216989773U CN216989773U CN202220270352.9U CN202220270352U CN216989773U CN 216989773 U CN216989773 U CN 216989773U CN 202220270352 U CN202220270352 U CN 202220270352U CN 216989773 U CN216989773 U CN 216989773U
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Abstract
The utility model relates to a pouring system consisting of modular sand core pouring pipes, which comprises a sprue, a cross gate and an ingate, wherein all or part of the sprue, the cross gate and the ingate consists of the sand core pouring pipes; the sand core pour tube is a hollow conduit made of chemical binder core sand and has at least the following modules: a straight pipe, a right-angle elbow pipe and a three-way pipe; the sand core pouring pipe is divided into a plurality of series according to different modules, and the same module is divided into a plurality of specifications according to different shapes and sizes of interfaces. The utility model adopts the mode of manufacturing the hollow sand core to manufacture the modular sand core pouring tube, has convenient manufacture, easy implementation, strong applicability and low cost, does not increase the burden of a sand treatment system, and does not discharge extra waste.
Description
Technical Field
The utility model relates to the technical field of casting, in particular to a pouring system consisting of modular sand core pouring pipes.
Background
The gating system is a channel made in the mould for the purpose of introducing liquid metal into the mould cavity, and its function includes: the speed of filling the casting mould with molten metal and the time required for filling the casting mould are controlled, so that the molten metal can smoothly enter the casting mould, turbulence and washing of the casting mould are avoided, slag and other impurities are prevented from entering a cavity, gas is not involved during pouring, and a casting can be cooled to meet the solidification sequence required by the casting process as far as possible. The gating system generally includes: the pouring cup is used for receiving molten metal poured from a pouring ladle and is also called as an outer pouring gate; a sprue used for connecting the sprue cup and the cross gate and introducing molten metal into the casting mold from the outside of the casting mold; a cross pouring gate which is connected with the straight pouring gate and the inner pouring gate and is used for distributing the metal liquid flow from the straight pouring gate; and fourthly, the ingate is used for infusing the metal liquid into the casting mould cavity.
In the production of self-hardening sand mold casting, the gating system comprises more pouring pipes, and the adopted pouring pipe is mostly a refractory brick pipe pouring pipe, a ceramic pouring pipe and a paper pouring pipe. Among them, the refractory brick tube pouring tube and the ceramic pouring tube have problems of high material cost and mold cost, large energy consumption, residual wastes after casting and pouring, increased sand processing burden, additional waste discharge payment and the like, thereby limiting the application thereof and having a tendency of being gradually replaced by the paper pouring tube. The paper pouring tube has the advantages of no residual waste after pouring, no increase of burden of a sand treatment system, no waste discharge and the like, but in the manufacturing process, due to the high cost of the additive in the paper pulp and the high cost of the adopted high-precision mold, the paper pouring tube has higher selling price than a refractory brick tube pouring tube and a ceramic pouring tube and has poorer performance price.
Disclosure of Invention
The utility model provides a pouring system consisting of modular sand core pouring pipes, wherein the modular sand core pouring pipes are manufactured by adopting a mode of manufacturing hollow sand cores, so that the manufacturing is convenient, the implementation is easy, the applicability is strong, the cost is low, the burden of a sand treatment system is not increased, and no extra waste is discharged.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a pouring system consisting of modular sand core pouring pipes comprises a sprue, a cross gate and an ingate, wherein all or part of the sprue, the cross gate and the ingate consist of the sand core pouring pipes; the sand core pour tube is a hollow conduit made of chemical binder core sand and has at least the following modules: a straight pipe, a right-angle elbow pipe and a three-way pipe; the sand core pouring pipe is divided into a plurality of series according to different modules, and the same module is divided into a plurality of specifications according to different shapes and sizes of interfaces.
The module also comprises a four-way pipe and an arc-shaped pipe.
The pouring system also comprises a pouring cup, and a module corresponding to the pouring cup and provided with a cup-shaped structure is arranged on the sand core pouring pipe.
And the sand core pouring pipe is cut and bonded to form a pouring system.
And the sand core pouring pipe is formed by hand.
The sand core pouring pipe is formed by adopting a core shooting machine which is provided with a split mold and a core pulling mechanism.
The straight tube comprises a cylindrical tube, a conical tube and a special-shaped tube.
The right-angle elbow pipe is composed of 2 sections of mutually perpendicular pipe sections, the cross sections of the 2 pipe sections are the same or different, and the 2 pipe sections are round pipes, rectangular pipes or special pipes.
The three-way pipe is composed of a first pipe section and a second pipe section which are vertically intersected, and the diameter of the first pipe section is the same as or different from that of the second pipe section.
Compared with the prior art, the utility model has the beneficial effects that:
1) the sand core pouring pipe is manufactured in a mode of manufacturing the hollow sand core, so that a casting pouring system can be conveniently formed;
2) the sand core pouring pipe can be made by mixing raw sand made of different materials according to different casting materials and casting processes, is molded by chemical binder core sand, and can obtain a finished product after curing and stripping, and can be conveniently made into various shapes and sizes to realize modular production;
3) the sand core pouring pipe is prepared by adopting chemical binder core sand, and sand casting, negative pressure full mold casting and lost foam casting can be adopted.
4) Casting technology personnel can design a pouring system according to the modularized sand core pouring pipe, and the required pouring system can be formed after sawing, bonding and combination.
5) The method can be adopted for single-piece, small-batch and large-batch sand casting production; the modular sand core pouring tube manufactured by adopting the core shooter in a large batch is more suitable for mass production and application.
6) For a foundry producing single castings in a large scale, the core shooter is adopted to manufacture sand core pouring pipes in a large scale, and the cost of the die can be greatly reduced. For a foundry which produces a certain casting in a single piece and in small batch, a small amount of traditional wood core boxes are used for manually manufacturing sand core pouring pipes, and the cost is low.
7) After the casting is poured and boxed, the core sand pouring pipe and the core sand can be recycled together, so that the burden of a sand treatment system is not increased, and no extra waste is discharged.
Drawings
Fig. 1 is a schematic view of the structure of a sand core casting tube according to the present invention (straight tube).
Fig. 2 is a schematic structural view of a sand core pouring tube of the present invention (right angle elbow tube one).
Fig. 3 is a schematic structural view of a sand core pouring tube of the present invention (right angle elbow tube two).
Fig. 4 is a fourth schematic structural view (three-way pipe) of the sand core pouring pipe of the present invention.
Fig. 5 is a schematic view of a casting system using the sand core casting tube of the present invention.
In the figure: 1. casting 2, sprue 3, slow pouring cross runner 4, slag collecting ladle 5, cross runner II 6, first-stage shunt runner 7, second-stage shunt runner 8, cross runner I9, oval ingate 10, round ingate 11, integral annular ingate 12 and pouring cup
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings:
the utility model relates to a pouring system consisting of modular sand core pouring pipes, which comprises a sprue, a cross gate and an ingate, wherein all or part of the sprue, the cross gate and the ingate consist of the sand core pouring pipes; the sand core pour tube is a hollow conduit made of chemical binder core sand and has at least the following modules: a straight pipe (as shown in fig. 1), a right-angle elbow pipe (as shown in fig. 2 and 3), and a three-way pipe (as shown in fig. 4); the sand core pouring pipe is divided into a plurality of series according to different modules, and the same module is divided into a plurality of specifications according to different shapes and sizes of interfaces.
The module also comprises a four-way pipe and an arc-shaped pipe.
The pouring system also comprises a pouring cup, and a module corresponding to the pouring cup and provided with a cup-shaped structure is arranged on the sand core pouring pipe.
And the sand core pouring pipe is cut and bonded to form a pouring system.
And the sand core pouring pipe is formed by hand.
The sand core pouring pipe is molded by adopting a core shooter with split molds and a core pulling mechanism.
The straight tube comprises a cylindrical tube, a conical tube and a special-shaped tube.
The right-angle elbow pipe is composed of 2 sections of mutually perpendicular pipe sections, the cross sections of the 2 pipe sections are the same or different, and the 2 pipe sections are round pipes, rectangular pipes or special pipes.
The three-way pipe is composed of a first pipe section and a second pipe section which are vertically intersected, and the diameter of the first pipe section is the same as or different from that of the second pipe section.
The utility model adopts chemical binder core sand (chemical binder sand) to manufacture the sand core casting pipes with the shapes of straight pipes, right-angle elbow pipes, three-way pipes and the like, and then uses the modularized sand core casting pipes to manufacture the casting system used in casting.
The use method of the sand core pouring tube is the same as that of a ceramic pouring tube or a paper pouring tube, namely, the sand core pouring tube forms a pouring system through cutting, bonding and combination and is pre-embedded in a sand mold, and then a casting is poured. After the casting is poured and boxed, the residual sand core pouring pipe and the core sand can be recycled together, so that the burden of a sand treatment system is not increased, and no extra waste is discharged.
The sand core pouring pipe can be prepared by mixing raw sand made of different materials according to different casting materials and casting processes, molding the core sand through a chemical binder, and obtaining a finished sand core pouring pipe product after solidification and stripping.
When the using amount is large, split-die core shooters with core-pulling mechanisms can be adopted to manufacture the sand core pouring pipes in large batch. When the usage amount is small, the traditional wood core box can be used for manually manufacturing the sand core pouring pipe in a small amount.
The sand core pouring pipe can be prefabricated into various specifications of inner diameter and length, and when the sand core pouring pipe is used, the sand core pouring pipe with the corresponding specification is only needed to be selected and used, and a pouring system is formed after sawing, bonding and combination.
The following examples are carried out on the premise of the technical scheme of the utility model, and detailed embodiments and specific operation processes are given, but the scope of the utility model is not limited to the following examples.
[ examples ] A method for producing a compound
As shown in fig. 5, taking the chinese utility model patent with the publication number of 104889332B, "a casting system for thin-walled conical turbine crown steel castings" as an example, the process of forming the casting system by using sand core casting tubes is as follows:
1. various sand core pouring pipes are manufactured by adopting chemical binder core sand, and comprise a pouring cup 12, a straight pipe, a right-angle elbow pipe, a three-way pipe and an arc pipe. In addition, the slag collecting ladle 4 and the integral annular ingate 11 are manufactured by the same method.
2. According to the design drawing of the pouring system, the pouring pipes of various sand cores, the slag collecting bag 4 and the integral annular ingate 11 are sawed, bonded and combined to form the pouring system. The method comprises the following specific steps:
as shown in fig. 5, sprue 2, the horizontal runner 3 and the circular ingate 10 are all straight pipes, the upper end of sprue 2 is connected with the sprue blank 12, the lower end of sprue 2 is connected with one end of the horizontal runner 3 through a right-angled elbow pipe, the other end of the horizontal runner 3 is connected with one end of 2 primary shunt runners 6 through a three-way pipe, the primary shunt runner 6 is formed by connecting 2 arc pipes, the other end of the primary shunt runner 6 is connected with 2 secondary shunt runners 7 through a three-way pipe, the secondary shunt runner 7 is an arc pipe, the other end of the secondary shunt runner 7 is connected with the middle parts of the first runner 8 and the second runner 5 through a three-way pipe, and the two ends of the second runner 5 are respectively connected with the lower ends of the slag collecting bag 4 and the circular ingate 10 through three-way pipes. The first cross pouring gate 8 is of a three-way pipe structure, an upper pipeline of the three-way pipe is used as an oval ingate 9 to be connected with an integral annular ingate 11, and the other horizontal pipe opening of the three-way pipe is connected with the slag collecting bag 4.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (9)
1. A pouring system consisting of modular sand core pouring pipes is characterized in that the pouring system comprises a sprue, a cross gate and an ingate, wherein all or part of the sprue, the cross gate and the ingate consists of the sand core pouring pipes; the sand core pour tube is a hollow conduit made of chemical binder core sand and has at least the following modules: a straight pipe, a right-angle elbow pipe and a three-way pipe; the sand core pouring pipe is divided into a plurality of series according to different modules, and the same module is divided into a plurality of specifications according to different shapes and sizes of interfaces.
2. The gating system of claim 1, wherein the modules further comprise a cross-piece, an arcuate tube.
3. The gating system of claim 1, further comprising a tundish to which the modular core pour tube is attached, wherein the modular core pour tube has a cup-shaped configuration.
4. The gating system of claim 1, wherein the modular core pour tube is cut and bonded to form the gating system.
5. The gating system of claim 1, wherein the modular core pour tube is formed by hand.
6. The gating system of claim 1, wherein the sand core pour tube is formed using a core shooter having split molds and a core pulling mechanism.
7. The system of claim 1, wherein the straight tube comprises a cylindrical tube, a conical tube, or a shaped tube.
8. The gating system of claim 1, wherein the right angle elbow comprises 2 mutually perpendicular tube segments, the 2 tube segments having the same or different cross-sectional shapes, and the 2 tube segments being either round, rectangular or shaped tubes.
9. The gating system of claim 1, wherein the tee comprises a first pipe section and a second pipe section that intersect vertically, and wherein the first pipe section has a diameter that is the same or different than the second pipe section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202220270352.9U CN216989773U (en) | 2022-02-10 | 2022-02-10 | Casting system formed by adopting modular sand core casting pipes |
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| CN202220270352.9U CN216989773U (en) | 2022-02-10 | 2022-02-10 | Casting system formed by adopting modular sand core casting pipes |
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| CN216989773U true CN216989773U (en) | 2022-07-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114406200A (en) * | 2022-02-10 | 2022-04-29 | 鞍钢重型机械有限责任公司 | Casting system formed by adopting modular sand core casting pipes |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114406200A (en) * | 2022-02-10 | 2022-04-29 | 鞍钢重型机械有限责任公司 | Casting system formed by adopting modular sand core casting pipes |
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