CN212598711U

CN212598711U - A portable ingate for disappearing mould casting

Info

Publication number: CN212598711U
Application number: CN202020982878.0U
Authority: CN
Inventors: 曹海
Original assignee: Tianjin Rainbow Hills Cast Iron Co ltd
Current assignee: Tianjin Rainbow Hills Cast Iron Co ltd
Priority date: 2020-06-02
Filing date: 2020-06-02
Publication date: 2021-02-26
Anticipated expiration: 2030-06-02

Abstract

The utility model provides a portable ingate for lost foam casting can effectively reduce the bad of casting surface, optimizes the preparation of the gating system, is easy and simple to handle, convenient to produce, and in the actual production of factory, the technology that needs attaches the casting article fewly, convenient production, reduction actual production cost, only need to be with the utility model discloses paste the appointed position on lost foam model surface according to the technology, along with the model together flow-coating can, improved company's production efficiency; the bottom of the casting sleeve is connected with a gasket, so that the phenomenon that the surface of a casting is lack of meat during post-pouring gate treatment can be prevented; the casting sleeve is a fireproof paper tube, so that sand inclusion of a cast object caused by sand adhesion at the root of the inner sprue can be prevented; the casting sleeve is coated with a fire-resistant layer, so that the fire-resistant strength of the utility model is increased; the filter block is arranged, so that the defects of inclusion and slag inclusion of cast materials can be avoided.

Description

A portable ingate for disappearing mould casting

Technical Field

The utility model relates to an automobile stamping die casting field especially relates to a portable ingate for lost foam casting.

Background

In the casting process of the lost foam, the gating system plays an important role as the core of the casting process. Many defects in the casting may be caused by mishandling of the gating system. Especially at the location where the gating system is in contact with the product: at the inner pouring gate, because molten iron is in the whole pouring system, the position with the largest stress is at the position of the inner pouring gate, if a stable pouring process system cannot be formed, batch type badness is often caused, and therefore, if effective preventive measures cannot be taken, the casting defects of sand inclusion and coating leather inclusion can appear on the surface of a casting. In addition, if the slag formed in the smelting process of the molten iron is not completely processed, or the slag generated after the reaction in the spheroidizing process of the nodular cast iron enters the product along the inner pouring gate. If foreign matters enter the molded surface in the mold filling process, the cast product can be poor, and the competitiveness of an enterprise in production is seriously influenced. How to improve the production efficiency of companies and optimize the manufacturing of a pouring system becomes the key point of research of each enterprise.

Disclosure of Invention

According to the technical problem, the utility model provides a portable ingate for lost foam casting which is characterized in that the ingate comprises a filter block, a fixed column, a fire-resistant layer, a gasket and a casting sleeve, wherein the fire-resistant layer is coated outside the casting sleeve, the gasket is arranged at the bottom of the casting sleeve, the filter block is placed at the top of the casting sleeve, and the fixed column is wrapped inside the joint of the filter block and the casting sleeve;

the filter block is internally provided with filter tanks, the filter tanks are of a wave-shaped structure, and N filter tanks are arranged and are not less than 2; the section of the gasket is of a rectangular structure;

the casting sleeve is a fireproof paper tube; the fixed column is a foam fixed core.

The utility model has the advantages that: the utility model can effectively reduce the defects on the surface of the casting, optimize the manufacture of a pouring system, has simple and convenient operation and convenient production, requires few process attached castings in the actual production of a factory, is convenient for production and reduces the actual production cost, and only needs to be pasted at the appointed position on the surface of the lost foam model according to the process, and the models are flow-coated together, thereby improving the production efficiency of a company; the casting sleeve is a fireproof paper tube, so that sand inclusion of a cast object caused by sand adhesion at the root of the inner sprue can be prevented; the casting sleeve is coated with a fire-resistant layer, so that the fire-resistant strength of the utility model is increased; the filter block is arranged, and N filter tanks with wave structures are arranged in the filter block, so that the defects of inclusion and slag inclusion of cast materials can be avoided; the bottom of the casting sleeve is connected with the gasket, so that the phenomenon that the surface of a casting is lack of meat when a sprue is processed in the later period can be prevented.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of the filter tank structure of the filter block of the present invention;

fig. 3 is a schematic view of the connection structure of the lost foam of the present invention.

As shown in the figure: 1. the casting mold comprises an inner pouring gate, 1-1 casting sleeve, 1-1-1 fire-resistant layer, 1-1-2 fixing column, 1-2 gasket, 1-3 filter block, 1-3-1 filter tank and 2 lost foam mold model.

Detailed Description

Example 1

The utility model provides a portable ingate for lost foam casting, which is characterized by comprising a filter block 1-3, a fixed column 1-1-2, a fire-resistant layer 1-1, a gasket 1-2 and a casting sleeve 1-1, wherein the fire-resistant layer 1-1-1 is coated outside the casting sleeve 1-1, the gasket 1-2 is arranged at the bottom of the casting sleeve 1-1, the filter block 1-3 is placed at the top of the casting sleeve 1-1, and the fixed column 1-1-2 is wrapped inside the joint of the filter block 1-3 and the casting sleeve 1-1;

the filter block 1-3 is internally provided with filter tanks 1-3-1, the filter tanks 1-3-1 are of a wave-shaped structure, N filter tanks 1-3-1 are provided, and N is more than or equal to 2; the section of the gasket 1-2 is of a rectangular structure;

the casting sleeve 1-1 is a fireproof paper tube; the fixed column 1-1-2 is a foam fixed core.

Example 2

When the utility model is used, a casting sleeve 1-1 is pasted on the end face of a gasket 1-2, a foam fixed core is pasted inside the casting sleeve 1-1, then the manufactured inner pouring gate 1 is pasted on the surface of a lost foam model 2 to carry out flow coating operation, then a fire-resistant layer 1-1-1 is attached to the outer surface of the casting sleeve 1-1, a prepared filter block 1-3 is sleeved outside the casting sleeve 1-1 in the molding process, the filter block 1-3 and the casting sleeve 1-1 are supported by the fixed column 1-1-2, then sand embedding operation is carried out, and the defects of sand inclusion and slag inclusion of a casting are avoided through the functions of the casting sleeve 1-1 and the fire-resistant layer 1-1 of a refractory paper tube.

Molten iron is cast on a filter block, the cast molten iron enters a filter tank 1-3-1 of the filter block 1-3, the N filter tanks 1-3-1 in the wave-shaped structure shunt the molten iron and intercept impurities on the filter tanks 1-3-1, then the molten iron flows into a lost foam model 2 through gaskets 1-2 along fixed columns 1-1-2 in a casting sleeve 1-1, after the casting is formed, the gaskets 1-2 are melted and form an integrated structure with the casting, and the phenomenon that the surface of the casting is lack of meat caused by later-stage gate treatment is avoided.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. The utility model discloses each part that mentions is the common technique in prior art, and the technical personnel of this trade should understand, the utility model discloses do not receive the restriction of above-mentioned embodiment, the description only is the explanation in above-mentioned embodiment and the description the principle of the utility model, under the prerequisite that does not deviate from the spirit and the scope of the utility model, the utility model discloses still can have various changes and improvement, these changes and improvement all fall into the protection of claim the utility model is within the scope. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The convenient inner pouring gate for lost foam casting is characterized by comprising a filter block, a fixing column, a fire-resistant layer, a gasket and a casting sleeve, wherein the fire-resistant layer is coated outside the casting sleeve, the gasket is arranged at the bottom of the casting sleeve, the filter block is placed at the top of the casting sleeve, and the fixing column is wrapped at the joint of the filter block and the casting sleeve.

2. The portable ingate for lost foam casting according to claim 1, wherein the filter block is internally provided with filter tanks, the filter tanks are of a wave-shaped structure, and the number of the filter tanks is N, wherein N is more than or equal to 2.

3. The portable ingate for lost foam casting according to claim 1, wherein said gasket has a rectangular cross-section.

4. The portable ingate for lost foam casting according to claim 1, wherein said casting sleeve is a refractory paper tube; the fixed column is a foam fixed core.