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Front-mounted broadened aluminum profile extruding die

A technology for extrusion dies and aluminum profiles, applied in the direction of metal extrusion dies, etc., can solve problems such as troublesome installation and user inconvenience, and achieve the effects of reducing extrusion force, prolonging service life, and improving profile quality

Inactive Publication Date: 2013-12-25
磐石市飞跃模具有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, because most of the wide expansion molds need to be used in combination with the flat cylinder, there are more troublesome problems in the installation of this structure, which brings a certain degree of inconvenience to users

Method used

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  • Front-mounted broadened aluminum profile extruding die
  • Front-mounted broadened aluminum profile extruding die

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Embodiment Construction

[0013] exist Figure 1-Figure 2 Among them, the front widening aluminum profile extrusion die is composed of a circular extrusion cylinder, a widening die, and a forming die. The widening die is placed in front of the forming die, and the middle part (2) of the cavity is larger than the left and right ends of the cavity (1, 3) narrowed by 25%-40%. The expansion angles (5) formed by the left and right end taper surfaces (4) of the die cavity and the axis of the front wide aluminum profile extrusion die are both 18-25°. The pressure relief angles (6) formed by the upper and lower tapered surfaces (7) and the axis of the die cavity of the front wide aluminum profile extrusion die are both 10-20°. In the extrusion process of this structure, when the end of the ingot flows into the center of the front wide expansion die, it does not flow out of the forming die immediately, but flows to both ends according to the principle of least resistance, balancing the pressure of the center a...

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Abstract

The invention relates to a front-mounted broadened aluminum profile extruding die. The front-mounted broadened aluminum profile extruding die comprises a round extruding cylinder, a broadening die and a forming die, wherein the broadening die is arranged between the forming die and the round extruding cylinder, and the middle part of a die cavity of the broadening die is narrower than the left and right end parts of the die cavity by 25-40%; an extending angle formed by an upper conical surface of the die cavity and the axis is 18-25 degrees; a pressure relief angle formed by a lower conical surface of the die cavity and the axis is 10-20 degrees. According to the front-mounted broadened aluminum profile extruding die, a flat extruding cylinder is saved, the broadening effect of an ingot blank is good during the extruding, and the quality of a profile is improved; by utilizing the structure, the extrusion force can be reduced, the service life of the die can be prolonged, and the production cost can be lowered.

Description

technical field [0001] The invention relates to an aluminum profile extrusion die, in particular to a front wide aluminum profile extrusion die. Background technique [0002] Due to the increasingly wide application of aluminum profiles, the development of extrusion technology and extrusion dies has been effectively promoted. In recent years, wide-stretched aluminum row profiles have been widely used in conductive and fin radiators. And most of them have higher requirements on the surface and size of the profiles. At present, there are not many large-scale extrusion machines in our country, and the extrusion cost is high, so people often use small-tonnage extrusion machines to extrude super-rod profiles. However, since the deflector of the mold mostly adopts the direct push type feeding, the extrusion force is small, the aluminum deformation time is short, and the flow of external aluminum is small, resulting in insufficient aluminum supply at the outer edge of the mold, a...

Claims

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Application Information

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IPC IPC(8): B21C25/02
Inventor 刘海堂刘跃堂李香安刘洋刘涛李秀昭陈阳
Owner 磐石市飞跃模具有限公司
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