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Local pressurization mechanism and method for producing automobile engine suspension shock insulators by same

An automobile engine, local pressurization technology, applied in the field of local pressurization mechanism and manufacturing engine suspension spacer, can solve the problems of low internal and surface hardness, poor internal quality of products, long production cycle, etc., and achieve small thermal shock , Simplify the production process, the effect of less heat

Active Publication Date: 2014-04-16
哈尔滨吉星机械工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a local pressurization mechanism and a method for using the mechanism to manufacture automobile engine mount spacers, so as to solve the problem that the existing method for producing four-wheel drive automobile engine mount spacers has complex procedures, long production cycle and internal problems. Problems of poor quality, low internal and surface hardness, and poor mechanical properties

Method used

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  • Local pressurization mechanism and method for producing automobile engine suspension shock insulators by same
  • Local pressurization mechanism and method for producing automobile engine suspension shock insulators by same
  • Local pressurization mechanism and method for producing automobile engine suspension shock insulators by same

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specific Embodiment approach 1

[0021] Specific implementation mode one: combine figure 1 Describe this embodiment. The mechanism of this embodiment includes a local pressurization insert 1, a cylinder 2, a connecting sleeve 3 and an oil cylinder 4. The transmission rod of the oil cylinder 4 is connected to one end of the local pressurization insert 1 through the connecting sleeve 3. The other end of the pressure insert 1 is installed in the cylinder 2 and is in contact with the pouring end of the part 5 to be processed, and the cylinder 2 is docked with the part 5 to be processed.

specific Embodiment approach 2

[0022] Specific implementation mode two: combination figure 2 Illustrate this embodiment, the end face of the cylinder 2 of this embodiment in contact with the part 5 to be processed has a through hole 5-1 with a trapezoidal cross section, and the bottom angle of the trapezoid is 74°. The advantage of this structure is to avoid the wall of the cylinder. The rapid solidification of the surrounding aluminum liquid hinders the operation of the local pressurization mechanism. Other implementation steps are the same as those in the first embodiment.

specific Embodiment approach 3

[0023] Specific implementation mode three: combination Figure 1-Figure 3 To illustrate this embodiment, the method of this embodiment includes the following steps:

[0024] Step 1. Mold design and molding: adopt the double sprue pouring method, design the gate size of the main sprue to be 29×24mm, the draft angle to be 5°, and the gate of the auxiliary sprue to be opened at the top of the part 5 to be processed At the wall thickness, the size is 20×15mm, and the draft angle is 10°;

[0025] Step 2. Aluminum alloy smelting: put the aluminum alloy into the crucible to heat and melt it; after the aluminum alloy is melted, perform refining and slag removal on the molten aluminum, and cool down to a temperature near the liquidus line of 600-640°C;

[0026] Step 3. Squeeze casting process: the mold temperature machine is connected to the extrusion mold through the oil cylinder 4, and the extrusion mold and the mold temperature machine are debugged separately. After debugging, the ...

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Abstract

The invention relates to a local pressurization mechanism and a method for producing automobile engine suspension shock insulators by the same. The method solves the problems that an existing method for producing suspension shock insulators of four-wheel-driven automobiles is complex in process and long in producing period, and produced products are poor in internal quality, low in internal and surface hardness and poor in mechanical property. The scheme of the local pressurization mechanism includes that a transmission rod of an oil cylinder is connected with one end of a local pressurization pin through a connection sleeve, the other end of the local pressurization pin is mounted in an ejector sleeve and contacts with a pouring tail end of a part to be processed, and the ejector sleeve is in butt joint with the part to be processed. The method for producing the automobile engine suspension shock insulators by the local pressurization mechanism includes the steps: designing and molding a mould; smelting aluminum alloy; squeeze casting; progressively solidifying the part by smoothly cooling the mould by the aid of the oil cylinder during squeeze casting; and after the part is completely solidified, taking out the molded shock insulator for natural cooling to obtain a finished product. The local pressurization mechanism and the method for producing the automobile engine suspension shock insulators by the same are utilized to produce the suspension shock insulators of the four-wheel-driven automobiles.

Description

technical field [0001] The invention relates to a local pressurization mechanism and a method for manufacturing an engine suspension spacer. Background technique [0002] At present, four-wheel-drive vehicle engine mount spacers are produced by aluminum alloy metal mold gravity casting, pressure casting, forging, and ferrous metal precision casting. However, the engine mount spacers produced by aluminum alloy gravity casting and die-casting methods have poor internal quality, low surface hardness, and poor mechanical properties; although forging can meet internal quality requirements and performance requirements, subsequent processing is large and costly; black Metal precision grinding casting has high density and low specific strength, which cannot meet the requirements of lightweight automobiles, energy conservation and environmental protection, and has a large machining allowance and high cost, which cannot meet the requirements of the continuously developing four-wheel d...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22D17/00
Inventor 吉泽升王绍著赵密王伟东
Owner 哈尔滨吉星机械工程有限公司
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