CN208390941U - A kind of negative-pressure los mould casting structure of pedestal - Google Patents

Abstract

The utility model relates to a kind of negative-pressure los mould casting structures of pedestal, it is characterized by comprising white mould bodies and two sides end cap, it is pedestal complicated inner cavity structure inside the white mould body, the two sides end cap is trapezoidal, the white mould body both ends of two sides end cap insertion are therewith in compatible trapezoidal hole, it the advantage is that, the utility model is convenient for the quickly production of product high-volume, complicated inner cavity is not necessarily to core pulling, it is easily cleared up after casting, simplify casting technique, the product qualification rate of pedestal can reach 98% or so after improvement, it reduces costs, improve production efficiency, and environmentally protective economy.

Description

A kind of negative-pressure los mould casting structure of pedestal

Technical field

The utility model relates to the negative-pressure los mould casting structures of in particular to a kind of pedestal.

Background technique

Currently, the casting for this cavity shape complexity pedestal, all very tired using clay sand mold or resin sand casting Difficulty, the more curved surface structures in inner cavity are complicated, and core pulling is extremely difficult, and sand core cleaning difficulty is big when post-processing, and production efficiency is low, and finished product is qualified Rate is less than 80%.

Utility model content

The purpose of this utility model is to provide a kind of high yield rate, the negative-pressure los mould casting for clearing up convenient pedestal is white Mould.

To achieve the above object, the white mould of the negative-pressure los mould casting of the pedestal of the utility model, it is characterised in that: including white Mould body and two sides end cap, the white mould body inside are casting mold core, and the two sides end cap is trapezoidal, two sides end cap insertion White mould body both ends are therewith in compatible trapezoidal hole.

Further, the two side ends, which cover, is equipped with circular hole, and left-hand end is covered equipped with a circular hole, and right-hand end, which covers, to be set There are two circular holes nested against one another.

Preferably, pass through white mould glue special bonding forming between the end cap and white mould body.

Preferably, the tunica albuginea ontology and the segmentation individual die molding of two sides end cap.

The present apparatus mainly has the advantage that

The white mould of the utility model simplifies casting instead of the form of unselected clay sand mold or resin sand casting manufacture part Technique is made, high yield rate, the product qualification rate of pedestal can reach 98% or so after improvement, reduce costs, and environmentally protective warp Ji.

Detailed description of the invention

Fig. 1 is the Structure explosion diagram of the utility model.

Fig. 2 is white mould body structural schematic diagram.

In figure: 1 is white mould body, and 2 be end cap, and 3 be inner-cavity structure.

Specific embodiment

As shown in Figure 1, the pedestal negative-pressure los mould casting structure of the utility model, mainly by white mould body 1 and two side ends Lid 2 forms, wherein being pedestal complicated inner cavity structure 3 inside white mould body 1, as shown in Figure 2.Two sides end cap 2 be it is trapezoidal, in white mould 1 both ends of ontology are equipped with trapezoidal hole compatible with 2 shape of end cap, and two sides end cap 2 is bonded in white calligraphy or painting model by white mould glue special In trapezoidal hole on body 1.The circular hole for installation and removal is equipped on two sides end cap 2, left side end cap 2 is equipped with a circle Hole, right side end cap 2 are equipped with two circular holes nested against one another.

It states tunica albuginea ontology and two sides end cap 2 is segmented individual die molding.After the white mould bonding of three-body is integral, white membrane module is used Commercially available paint specially for disappearing cast mold is coated with, and is coated with the hydrops in the intracavitary portion of time control dry type, in case piling, is put into 45 after being coated with After drying in ~ 55 DEG C of baking rooms, be coated with second according to the above method throughout third time, be put into 50 ~ 55 DEG C of baking rooms drying to With.

The utility model is used for the casting of pedestal negative pressure lost foam, is cast using rain type sand injection manner, by pedestal negative pressure Lost foam casting molding, two sides end cap 2 is dismantled clear up after casting, and cleaning is convenient, and the white mold cavity after cleaning is not in viscous Sand phenomenon.

Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects It is described in detail, it should be understood that the foregoing is merely a specific embodiment of the invention, the guarantor that is not intended to limit the present invention Range is protected, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all be contained in this hair Within bright protection scope.

Claims (4)

1. a kind of negative-pressure los mould casting structure of pedestal, it is characterised in that: including white mould body (1) and two sides end cap (2), institute Stating is pedestal cast structure inside white mould body (1), and the two sides end cap (2) is trapezoidal, the white calligraphy or painting model of two sides end cap (2) insertion Body (1) both ends are therewith in compatible trapezoidal hole.

2. the negative-pressure los mould casting structure of pedestal according to claim 1, it is characterised in that: the two sides end cap (2) On be equipped with circular hole, left side end cap (2) is equipped with a circular hole, and right side end cap (2) is equipped with two circular holes nested against one another.

3. the negative-pressure los mould casting structure of pedestal according to claim 1, it is characterised in that: the end cap (2) and white Pass through white mould model glue special bonding forming between mould body (1).

4. the negative-pressure los mould casting structure of pedestal according to claim 1, it is characterised in that: the white mould body and two Side end cap (2) integrally segmentation individual die molding.