Metal piece manufacturing method and low-pressure casting forging machine used for achieving metal piece manufacturing method

A technology of low-pressure casting and manufacturing methods, which is applied in the field of low-pressure casting and forging presses, which can solve the problems that castings cannot meet high-strength requirements, achieve the effects of dense metal structure, eliminate pores, and increase strength

Active Publication Date: 2014-11-19
浙江文源智能科技有限公司
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to solve the problem that the castings formed by traditional low-pressure casting cannot meet the high-strength require

Method used

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  • Metal piece manufacturing method and low-pressure casting forging machine used for achieving metal piece manufacturing method
  • Metal piece manufacturing method and low-pressure casting forging machine used for achieving metal piece manufacturing method
  • Metal piece manufacturing method and low-pressure casting forging machine used for achieving metal piece manufacturing method

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Embodiment Construction

[0024] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0025] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0026] Such as Figure 1 to Figure 6 Shown:

[0027] The manufacturing method of the metal parts of the present invention comprises two stages of low-pressure casting and forging in the manufacturing process; in the low-pressure casting stage, a low-pressure casting device is used to realize the filling of molten metal in the mold cavity, and the mold cavity is composed of an upper mold 10 and a lower mold cavity. The half cavity of the mold 11 is combined, the lower mold 11 is fixed, the upper mold 10 is driven up and down by the driving mechanism through the five-hinge mechanism of the crank arm, and the joint surfaces of the upper mold 10 and the lower mold 11 are separated by a certain distance in the low...

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Abstract

The invention provides a metal piece manufacturing method and a low-pressure casting forging machine used for achieving the metal piece manufacturing method and belongs to the metal casting technology. The manufacturing process of the method includes a low-pressure casting stage and a forging stage. The low-pressure casting forging machine used for achieving the metal piece manufacturing method comprises a low-pressure casting device, a support, an upper die driving mechanism, a crank arm five-hinge mechanism and a control system. The low-pressure casting device comprises an upper die and a lower die, wherein a die cavity is formed by oppositely combining the upper die and the lower die. A sealing guide face is formed between joint faces of the upper die and the lower die. The support is composed of a lower die installation piece, a driving mechanism installation rack and supporting rods and is of a frame type. The lower die is installed through the lower die installation piece. The upper die is installed through an upper die installation piece. The crank arm five-hinge mechanism comprises a first rotating arm, a second rotating arm, a moving arm and two supporting rotating arms. The first rotating arm is hinged to the corresponding supporting rotating arm, so that a crank arm assembly is formed and respectively hinged to the upper die installation piece and the driving mechanism installation rack. The control system controls the upper die driving mechanism to move. The low-pressure casting and high-pressure forging processes are achieved and strength of a metal piece is improved.

Description

technical field [0001] The invention belongs to the technical field of metal casting, in particular to a method for manufacturing a metal piece capable of making the structure of the casting more compact and a low-pressure casting and forging machine for realizing the method. Background technique [0002] The development of low-pressure casting technology has been relatively mature so far. It has become an important manufacturing method for light alloy castings, especially for aluminum alloys, due to its advantages of stable liquid metal filling, high material utilization rate, and low energy consumption. Among the production volume of aluminum alloy castings, low-pressure castings have accounted for about 50%. However, the usual low-pressure castings are formed naturally. For the field of high strength requirements, the compactness of the metal structure still cannot meet the corresponding requirements, and the metal structure near the liquid inlet of the mold cavity is e...

Claims

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Application Information

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IPC IPC(8): B22D18/04B22D27/11
Inventor 石孟成
Owner 浙江文源智能科技有限公司
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