Automobile pull-off block processing technology
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: 2021-05-11
杭州奥斯奇汽车零部件有限公司
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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
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[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 melting, sampling and other tools and keep them 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 aluminum w...
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The invention relates to a process for processing pull-off blocks for automobiles, which is applied in the technical field of adjustable steering column accessories, and includes the following steps: A1, raw material preparation; A2, adding aluminum alloy blocks into a melting furnace, heating and stirring, and making the aluminum The alloy block is dissolved into a liquid state; A3, add slag remover, stir the aluminum water and remove the slag shell formed in the aluminum water; A4, keep the temperature of the melting furnace at a constant temperature for 10-15 minutes; A5, inject the aluminum water into the die-casting machine In the mold, control the temperature and pressure in the mold; A6, take out the pull-off block, and use a burr cleaning machine to remove the burrs in each bolt hole of the pull-off block. The invention 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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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