CN104439092B

CN104439092B - Spring block sand core structure

Info

Publication number: CN104439092B
Application number: CN201510022402.6A
Authority: CN
Inventors: 吴志强; 丁建伟; 易大钢; 曹承均
Original assignee: GUANGDONG FUHUA CASTING CO Ltd
Current assignee: GUANGDONG FUHUA CASTING CO Ltd
Priority date: 2015-01-16
Filing date: 2015-01-16
Publication date: 2017-01-04
Anticipated expiration: 2035-01-16
Also published as: CN104439092A

Abstract

The open a kind of spring block sand core structure of the present invention, applying on the casting sand type of spring block, core is approximation rectangular structure, and the corner location at core is arranged with the cast die cavity of spring block, the cast die cavity of described spring block is symmetrical arranged two-by-two, thus constitute a core more than one piece symmetry carry a load structure design.The core boxlike of the present invention designs and produces, and uses entirety to carry a load core, and a core more than one piece improves production efficiency.By load carrying type symmetric design, determining that center, sand box four limit is Hoisting Position, middle part is in core lower mold center stationary positioned, therefore, the buoyancy of core four lateral suspension end balances each other counteracting mutually, makes core core box held stationary, thus ensure casting dimension accurately, uniform wall thickness.

Description

Spring block sand core structure

Technical field

The present invention relates to technical field of automobile parts, more specifically, it relates to a kind of spring block sand core structure scheme.

Background technology

Spring block is a kind of important parts on automobile, it is an approximation rectangular structure with two adjacent surfaces opening, therefore, its structure limits the fixed form of casting sand core, pressure that the suspension end of core is easily floated by molten iron and be upwardly deviated from, the became uneven making spring block is even, thus affects the accuracy to size of foundry goods.Therefore, designer takes into full account the dimension precision requirement of rough casting, the mode of production, uses the core design of symmetrical structure of carrying a load in the casting die of spring block.

Summary of the invention

It is an object of the invention to provide a kind of casting process scientific and reasonable for structure, the spring block sand core structure of the overall stationarity of core can be ensured according to design of part feature, can effectively overcome the impact on core suspension end of the core buoyancy, ensure that the dimensional accuracy of foundry goods, and a core more than one piece, improve spring block production efficiency, to overcome the deficiency in the presence of prior art.

The present invention solves the technical scheme of its technical problem: spring block sand core structure, apply on the casting sand type of spring block, core is approximation rectangular structure, corner location at core is arranged with the cast die cavity of spring block, the cast die cavity of described spring block is symmetrical arranged two-by-two, thus constitute a core more than one piece symmetry carry a load structure design, running gate system is set on separated time in the level of core, in the bottom of core, core footing is set, described core footing is criss-cross, including horizontal fulcrum and perpendicular fulcrum, described horizontal fulcrum is longer than perpendicular fulcrum.

The invention has the beneficial effects as follows:

The core boxlike of the present invention designs and produces, and uses entirety to carry a load core, and a core more than one piece improves production efficiency.By load carrying type symmetric design, determining that center, sand box four limit is Hoisting Position, middle part is in core lower mold center stationary positioned, therefore, the buoyancy of core four lateral suspension end balances each other counteracting mutually, makes core core box held stationary, thus ensure casting dimension accurately, uniform wall thickness.

Accompanying drawing explanation

Fig. 1 is the spring block sand core structure Facad structure schematic diagram of the present invention.

Fig. 2 is the axonometric chart of the line of vision of core front shown in Fig. 1.

Fig. 3 is the spring block sand core structure bottom surface structure schematic diagram of the present invention.

Fig. 4 is the axonometric chart of the line of vision of core bottom surface shown in Fig. 3.

Detailed description of the invention

Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, and the most same or similar label represents same or similar element or has the element of same or like function.The embodiment described below with reference to accompanying drawing is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.

In describing the invention, it will be appreciated that, term " " center ", " laterally ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end ", " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship; be for only for ease of the description present invention and simplifying and describe; rather than instruction or imply indication device or element must have specific orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", one or more this feature can be expressed or impliedly be comprised to the feature of " second ".In describing the invention, except as otherwise noted, " multiple " are meant that two or more.

In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " is installed ", " being connected ", " connection " should broadly understood, and connects for example, it may be fixing.Can also be to removably connect, or be integrally connected；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be the connection of two element internals.For the ordinary skill in the art, the above-mentioned term concrete meaning in the present invention can be understood with concrete condition.

As Figure 1-4, spring block sand core structure, apply on the casting sand type of spring block, core 1 is approximation rectangular structure, corner location at core is arranged with the cast die cavity 2 of spring block, the cast die cavity 2 of described spring block is symmetrical arranged two-by-two, thus constitute a core more than one piece symmetry carry a load structure design.Spring block casting structure is by a relatively simple, but casting design core print positioning accuracy request is high, and the present invention is according to spring block construction features, use symmetrical, the core of structure of carrying a load, it is ensured that core steady, it is ensured that the dimensional accuracy of foundry goods, and four, a core, improve production efficiency.Spring block integral sand core uses resin sand to make, and determines that position location is core centre position, and Hoisting Position is four centers, limit.

Further, can be by part Design of Runner System on core.Running gate system is set on separated time in the level of core, sets heavy chamber 3 in core and form the ingate of running gate system.Arrange core footing 4 in the bottom of core, core footing 4 is criss-cross, and including horizontal fulcrum 5 and perpendicular fulcrum 6, wherein, horizontal fulcrum is longer than perpendicular fulcrum.

Design and production procedure that spring block core is concrete are as follows:

1): demonstration；

2): core box layout design:

3): core mould is processed；

4): core makes, loam core, brushing paint are assembled；

5): moulding is poured into a mould；

6): casting cleaning, polishing；

7): product size is checked.

Remaining structure is the most all known according to other compositions and the operation of the spring block sand core structure of the present invention, is not detailed herein.

Although an embodiment of the present invention has been shown and described; it will be understood by those within the art that: in the case of without departing from the principle of the present invention and objective, these embodiments can be carried out multiple change, revise, replace and modification; the scope of the present invention is limited by claim and equivalent thereof; without creative work improvements introduced etc., should be included within the scope of the present invention.

Claims

1. spring block sand core structure, apply on the casting sand type of spring block, it is characterised in that: core is approximation rectangular structure, and the corner location at core is arranged with the cast die cavity of spring block, the cast die cavity of described spring block is symmetrical arranged two-by-two, thus constitute a core more than one piece symmetry carry a load structure design；Running gate system is set on separated time in the level of core；In the bottom of core, core footing is set；Described core footing is criss-cross, and including horizontal fulcrum and perpendicular fulcrum, described horizontal fulcrum is longer than perpendicular fulcrum.