Iron mold sand-lined casting process with core making function and sand-lined mold

A sand-covered iron mold and iron mold technology, which is applied in the manufacture of tools, casting molding equipment, casting molds, etc., can solve the problems of cumbersome procedures and low production efficiency, achieve simplified procedures, low energy consumption costs, and improve overall work efficiency Effect

Pending Publication Date: 2021-07-23
GUANGXI YUCHAI MACHINE PARTS MFG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional sand-coating process of iron molds only prepares the outer mold. For the sand core, it needs to be prepared with the help of a hot box or a cold box. The core box tooling must als

Method used

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  • Iron mold sand-lined casting process with core making function and sand-lined mold
  • Iron mold sand-lined casting process with core making function and sand-lined mold
  • Iron mold sand-lined casting process with core making function and sand-lined mold

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0037] Example 1: SN1000 Crankshaft

[0038] Parts by 40kg, two pieces, each need to be installed in the link neck in the neck position. The sand core is 4 in the upper outer mold and the upper iron type, and 4 in the lower outer shape and the lower iron type. Do not need to use the core box, do not do it directly from the shape and iron. After the transport trolley, the sand core is removed, and after manual removal of the sputum, the rubber is bonded to the core position, i.e., complete the outer mold core. Save a score-core operation worker and the cartridge investment, and the effect is good.

Example Embodiment

[0039] Example 2: Production EA188 flywheel

[0040] Parts by 90kg, one box. The flywheel center hole is small in the middle, and cannot be lifted with a hanging core solution. In order to avoid the cartridge input, it also uses the outer shape and ferrite combination, and the mold is obtained while obtaining a sand core.

[0041] The casting method of the present invention also produces a load-bearing truck differential speed cassette, a hollow oil crankshaft, a six-cylinder crankshaft, and a coreless box plan is realized, reducing the cost of tooling mold, reduces manual, and has made many aspects. Significant benefits.

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Abstract

The invention provides an iron mold sand-lined casting process with a core making function and a sand-lined mold. A shape mold comprises a mold bottom plate, the mold bottom plate comprises casting male molds, shape mold sand core head seats and shape mold sand core cavities, the two sides of the casting male molds are connected with the shape mold sand core head seats correspondingly, and shape mold sand core core-head cavities are formed in the two ends of the shape mold sand core cavities are respectively; an iron mold comprises a casting mold cavity, iron mold sand core mold cavities and iron mold sand core head seat mold cavities, iron mold sand core head mold cavities are formed in the two ends of the iron mold sand core mold cavities correspondingly, perforation holes are formed in the casting mold cavity and the iron mold sand core mold cavities correspondingly, a shape mold and the iron mold are in butt joint, so that precoated sand cavities are formed between the casting male molds and the casting mold cavity, and sand core cavities are formed between the shape mold sand core cavities and the iron mold sand core mold cavities. The iron mold precoated sand shape mold cavity and a sand core can be prepared at the same time, a core box manufacturing procedure is omitted, the mold cost is low, and the production efficiency is high.

Description

technical field [0001] The invention belongs to the technical field of casting, and in particular relates to an iron mold sand-coated casting process with a core-making function and a sand-coated mold thereof. Background technique [0002] The molding process of the sand-coated iron mold process requires heating the iron mold and the mold to reach the curing temperature of the coated sand, so as to obtain a mold with a certain thickness of the coated sand layer. The traditional sand-coating process of iron molds only prepares the outer mold. For the sand core, it needs to be prepared with the help of a hot box or a cold box. The core box tooling must also be manufactured, and the production scheduling must be separately arranged for the shape and sand core preparation at the same time. The process is cumbersome and the production efficiency is low. Contents of the invention [0003] In order to solve the above-mentioned technical problems, the present invention provides a...

Claims

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Application Information

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IPC IPC(8): B22C9/06B22C9/10
CPCB22C9/068B22C9/10
Inventor 崔炜陶前昭宋民覃丹枫李异龙李超进
Owner GUANGXI YUCHAI MACHINE PARTS MFG CO LTD
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