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Burr punch for aluminium alloy pressure-casting thin-wall material cake

An aluminum alloy, injection punch technology, applied in the field of mobile phone spare parts processing, can solve the problems of increasing workload, reducing work efficiency, cutting staff, and potential safety hazards, achieving simple structure, avoiding burns, and improving safety. sexual effect

Pending Publication Date: 2019-03-01
东莞市发斯特精密科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Usually, such a situation occurs, it is necessary to carry out the process of removing the front of the cake, which increases the workload and reduces th

Method used

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  • Burr punch for aluminium alloy pressure-casting thin-wall material cake
  • Burr punch for aluminium alloy pressure-casting thin-wall material cake

Examples

Experimental program
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Effect test

Embodiment Construction

[0022] The present invention is further described in conjunction with the following examples.

[0023] Such as figure 1 and figure 2 As shown, the present invention provides an aluminum alloy die-casting thin-walled material cake batch punch, including an injection punch 1, the injection punch 1 is a cylinder, and the center position of the front end of the injection punch 1 is set There is a receiving hole 2 that can be used to recover the backlog of material cake. The receiving hole 2 can also be set at other positions except the central position. It is located at the center for easy positioning and production when the injection punch 1 is produced. The receiving hole 2 is a blind hole, and the non-preferable injection punch 1 can also be selected as a through hole, but when the injection punch 1 is installed, the through hole needs to be sealed and filled, and the blind hole is selected. The hole is more conducive to the installation of the injection punch 1 and adapts...

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PUM

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Abstract

The invention provides a burr punch for an aluminium alloy pressure-casting thin-wall material cake. The burr punch comprises an injection punch, wherein a material collecting hole is formed in the front end of the injection punch; when the stroke of the injection punch reaches certain position, the additionally-formed material collecting hole starts to recycle materials which are recycled and extruded into the material cake, and pressure, on the formed material cake, of an extruding process is relieved, so that burrs and carry-over are not extended from the periphery of the formed material cake. Compared with the prior art, the burr punch has the advantages of being simple in structure, avoiding the burr or carry-over removal process for the discharged formed material cake, improving working efficiency, not extruding out burrs and carry-over, preventing the burrs and carry-over from burning a worker, and improving safety.

Description

technical field [0001] The invention relates to the field of mobile phone spare parts processing, in particular to an aluminum alloy die-casting thin-walled material cake batch punch. Background technique [0002] Die-casting is the abbreviation of pressure casting. Its essence is to fill the die-casting mold cavity with liquid or semi-liquid metal at a high speed under the action of high pressure, and solidify under pressure to obtain castings. Die casting is one of the most advanced metal forming methods. It is an effective way to achieve less chips and no chips. It is widely used and develops rapidly. The die-casting process is not only suitable for non-ferrous metals such as zinc, aluminum, magnesium and copper, but also for die-casting iron and steel castings. The size of the castings can range from a few millimeters to 1-2 meters, and the weight can range from a few grams to tens of kilograms. Die-casting Components are no longer limited to the automobile industry and...

Claims

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Application Information

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IPC IPC(8): B22D31/00
CPCB22D31/00
Inventor 王桂彪丁英宏
Owner 东莞市发斯特精密科技股份有限公司