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Low-pressure casting system for aluminum alloy auxiliary frame production

A low-pressure casting and sub-frame technology, which is applied in the field of low-pressure casting, can solve problems such as difficult cleaning and affecting the overall sealing of the crucible, and achieve the effects of improving casting quality, avoiding solidification and slagging, and avoiding temperature loss

Active Publication Date: 2021-10-22
湖北航特装备制造股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The easy-to-maintain low-pressure casting machine in the above-mentioned patents has the following disadvantages: when using liquid-transfer components to fill the crucible with aluminum liquid, it is easy to spill material at the feed port, and due to the high temperature of the aluminum liquid, it is difficult to remove it in time, resulting in slagging after cooling Affects the overall sealing of the crucible

Method used

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  • Low-pressure casting system for aluminum alloy auxiliary frame production
  • Low-pressure casting system for aluminum alloy auxiliary frame production
  • Low-pressure casting system for aluminum alloy auxiliary frame production

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] A low-pressure casting system for the production of aluminum alloy subframes, such as Figure 1-3 and Figure 5As shown, it includes a crucible 14 arranged inside the holding furnace 1. The top outer wall and one side inner wall of the holding furnace 1 are provided with the same inclined passage 15, and a folding cover 32 is welded on one side inner wall of the inclined passage 15. The folding cover One side of the outer wall of 32 is fixedly connected with a material guide structure, which forms a sliding fit with the inclined channel 15, and the outer wall of the material guide structure near one end is clamped with a sealing cover 22; the material guide structure includes four pillars 30, four An elastic expansion piece 29 and four elastic connecting plates 33 are formed, and the bottom ends of the four pillars 30 form a rotational fit with one side outer wall of the folding cover 32, and the one side outer walls of the four elastic expansion pieces 29 are respectiv...

Embodiment 2

[0039] A low-pressure casting system for the production of aluminum alloy subframes, such as image 3 and Figure 4 As shown, in order to improve the cooling speed of the object; the present embodiment makes the following supplements on the basis of embodiment 1: the top surface of the concave seat 26 is clamped with two cold water boxes 25, and the bottom outer wall of the cold water box 25 has multiple openings. The outer walls on both sides of the concave seat 26 are connected with air pumps 18 through the top plate, and the output ends of the two air pumps 18 are connected with gas distribution covers 17 through conduits, and one side outer wall of the gas distribution cover 17 is fixed to the One outer wall of the concave seat 26; the opposite outer wall of the concave seat 26 is embedded with the sponge body 16. The water in the cold water box 25 drips through tiny holes and soaks the sponge body 16. When conveying the molded object, start two air pumps 18 to pump the e...

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Abstract

The invention discloses a low-pressure casting system for aluminum alloy auxiliary frame production, relates to the technical field of low-pressure casting, and aims at solving the problem that when molten aluminum is injected, materials are prone to being spilled at a feeding port. The low-pressure casting system specifically comprises a crucible arranged in a heat preservation furnace, the outer wall of the top and the inner wall of one side of the heat preservation furnace are provided with the same inclined channel, the inner wall of one side of the inclined channel is fixedly connected with a folding cover, the outer wall of one side of the folding cover is fixedly connected with a material guiding structure, the material guiding structure is in sliding fit with the inclined channel, and a sealing cover is arranged on the outer wall, close to one end, of the material guiding structure; and the material guiding structure comprises four supporting columns, four elastic expanding and supporting pieces and four elastic connecting plates, the bottom ends of the four supporting columns are in running fit with the outer wall of one side of the folding cover, and the outer walls of one sides of the four elastic expanding and supporting pieces are fixedly connected to the outer walls of one sides of the four supporting columns correspondingly. The low-pressure casting system is stable in structure, and the molten aluminum is effectively prevented from being scattered at the feeding port during feeding.

Description

technical field [0001] The invention relates to the technical field of low-pressure casting, in particular to a low-pressure casting system used for the production of aluminum alloy sub-frames. Background technique [0002] Low-pressure casting has many casting advantages, such as artificially controllable process parameters, high metal utilization, high production efficiency, and high mechanical properties of castings. Therefore, low-pressure casting machines are widely used in the production of aluminum alloy castings. Most of the holding furnaces of traditional low-pressure casting machines are knotted, and the quality of molten aluminum is poor. Most of the molten aluminum is subcontracted and transported by forklifts or aircraft as power. The production method is too rough and the production environment is too harsh. [0003] After retrieval, the Chinese patent application number is CN201922149782.6, which discloses a low-pressure casting machine that is easy to maintai...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D18/04
CPCB22D18/04
Inventor 苏为强石建殷作水
Owner 湖北航特装备制造股份有限公司