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Automobile pull-off block machining process

A processing technology and a technology for pulling off blocks, which are applied in metal processing equipment, manufacturing tools, mechanical cleaning, etc., can solve the problems of affecting the quality of pulling off blocks, easy residues of aluminum water, and difficulty in salvage and cleaning, so as to reduce scum or the possibility of slag inclusions, the effect of improving the molding quality and reducing the workload

Active Publication Date: 2020-08-28
杭州奥斯奇汽车零部件有限公司
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0005] Existing pull-off blocks are generally cast by die-casting. First, the aluminum alloy raw materials are melted, and then sent to the mold of the die-casting machine for molding. However, since most of the raw materials contain impurities, they often cause the surface of the aluminum water to appear after melting. Scum, because the scum is scattered and difficult to salvage and clean up, it is easy to remain in the aluminum water, which affects the quality of the pull-off block after die-casting

Method used

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  • Automobile pull-off block machining process
  • Automobile pull-off block machining process
  • Automobile pull-off block machining process

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Embodiment Construction

[0037] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0038] This invention discloses a process for processing automobile pull-off blocks, including the following steps: A1, raw material preparation, equipment debugging; using a trolley or a forklift to transport aluminum alloy blocks or waste castings, gates, risers, etc. of the same material back into the furnace Go to the melting furnace, check the smelting, sampling and other tools and keep the tools dry, the melting furnace staff wear protective clothing; check whether the switches of the die-casting machine are functioning normally and whether there is any abnormal sound in the machine, and then preheat the mold with oil.

[0039] A2. Put the aluminum alloy block and returned charge into the melting furnace, heat and stir, so that the aluminum alloy block and returned charge are fully dissolved into a liquid state.

[0040] A3. Add slag remover to the alum...

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Abstract

The invention relates to an automobile pull-off block machining process applied to the technical field of adjustable steering column accessories. The automobile pull-off block machining process comprises the following steps that A1, raw materials are prepared; A2, an aluminum alloy block is added into a melting furnace, heated and stirred, so that the aluminum alloy block is dissolved into a liquid state; A3, a deslagging agent is added, molten aluminum is stirred, and a slag shell formed in the molten aluminum is fished out; A4, the temperature of the melting furnace is kept constant for 10-15 min; A5, the molten aluminum is injected into a die of a die-casting machine, and the temperature and pressure in the die are controlled; and A6, a pull-off block is taken out, and burrs in bolt holes of the pull-off block are removed through a burr cleaning machine. The automobile pull-off block machining process has the effect of improving the die-casting quality of the pull-off block.

Description

technical field [0001] The invention relates to the technical field of adjustable steering column fittings, in particular to a processing technology for an automobile pull-off block. Background technique [0002] Most of the existing automobile steering columns are equipped with collapse energy-absorbing structures. When the front of the vehicle is violently collided, a secondary collision will occur between the driver and the steering wheel due to inertia. At this time, the collapse energy-absorbing structure of the steering column It is used to absorb part of the impact energy in the secondary collision, so as to protect the driver to a certain extent. [0003] The Chinese patent with the notification number CN201619599U discloses an energy-absorbing device for an automobile steering column, including a bracket for fixing the steering column, and a pull-off block is fixed on both sides of the bracket, and it is characterized in that the two sides of the bracket are A buff...

Claims

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Application Information

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IPC IPC(8): C22C1/06C22C21/00B22D43/00B22D17/00B22D17/20B22D31/00
CPCB22D17/00B22D17/2076B22D43/005C22C1/06C22C21/00
Inventor 王国林王霞波朱宏伟
Owner 杭州奥斯奇汽车零部件有限公司
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