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Double sand core positioning device and method

A positioning device and sand core technology, which is applied in the field of sand mold casting, can solve problems such as difficult operation, waste of labor, scrapping of castings, etc., and achieve the effect of ensuring the quality of castings

Active Publication Date: 2020-12-04
西峡县众德汽车部件有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a double sand core positioning device and method, so as to alleviate the difficult operation when setting two sand cores in the prior art, which wastes labor and is prone to sand core drop, resulting in scrapped castings question

Method used

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  • Double sand core positioning device and method

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Embodiment 1

[0034] Such as figure 1 - Figure 4 As shown, the embodiment of the present invention provides a double sand core positioning device, including a connecting piece and a first sand core 1 and a second sand core 2 that abut against each other; the first sand core 1 includes a first forming part 12 and a first sand core. The connecting part 11, the second sand core 2 includes a second forming part 22 and a second connecting part 21, the first connecting part 11 and the second connecting part 21 can be fixedly connected by a connecting piece, so that the first forming part 12 and the second forming part Sections 22 remain relatively fixed and form a gap therebetween for forming a bulkhead.

[0035] The double sand core positioning device provided by the embodiment of the present invention includes a connecting piece, a first sand core 1 and a second sand core 2, wherein the first sand core 1 and the second sand core 2 can abut against each other and be fixed in the mold cavity O...

Embodiment 2

[0057] The embodiment of the present invention provides a double sand core positioning method, which is designed by using the above-mentioned double sand core positioning device, and includes the following steps in turn:

[0058] S1: Combine the first sand core 1 and the second sand core 2 so that the central axis of the first through hole 111 and the central axis of the second through hole 211 are on the same straight line;

[0059] S2: passing the bolts through the first through hole 111 and the second through hole 211 respectively, and clamping the nut of the bolt in the first groove 112 at the end of the first through hole 111;

[0060] S3: Use a wrench to tighten and fix the nut and the bolt protruding from the end of the second through hole 211. At this time, the ends of the nut and the bolt are all located in the second groove 212 at the end of the first through hole 111;

[0061] S4: filling the first groove 112 and the second groove 212 with molding sand and pressing ...

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Abstract

The invention provides a double-sand-core positioning device and method, and relates to the technical field of sand mold casting. The double-sand-core positioning device comprises a connecting element, a first sand core and a second sand core, wherein the first sand core abuts against the second sand core; the first sand core comprises a first forming part and a first connecting part; the second sand core comprises a second forming part and a second connecting part; and the first connecting part and the second connecting part can be fixedly connected through the connecting element, thus, the first connecting part and the second connecting part are kept fixed relatively, and a gap for forming a partition plate is formed between the first connecting part and the second connecting part. The technical problems that in the prior art, core setting operation of two sand cores is different, labor force is wasted, castings are scrapped due to the fact that sand of the sand cores is liable to fall are solved.

Description

technical field [0001] The invention relates to the technical field of sand mold casting, in particular to a double sand core positioning device and method. Background technique [0002] Sand core is the material used to make core in foundry production, which is composed of foundry sand, sand binder and so on. The material used to make the core in foundry production is generally made of molding materials such as foundry sand, sand binder and auxiliary additives mixed in a certain proportion. Most of the core is surrounded by high-temperature liquid metal in the mold, and the size of the supporting and positioning part is generally small. Therefore, in addition to the performance of general molding sand, the core sand also requires high strength, air permeability, and yield. sex and collapsibility. Core sand is divided into clay core sand, sodium silicate core sand, oil core sand, synthetic resin core sand, resin core sand, etc. according to the different binders used. [...

Claims

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Application Information

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IPC IPC(8): B22C9/10
CPCB22C9/103B22C9/108
Inventor 田龙田中青田政张杰
Owner 西峡县众德汽车部件有限公司
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