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Alloy liquid extrusion casting forming device and process method thereof

A squeeze casting and molding device technology, which is applied in the field of alloy liquid squeeze casting molding devices, can solve problems such as low dimensional accuracy, cracking of forgings, waste of working hours, etc., and achieve high dimensional accuracy, easy exhaust, and short time Effect

Active Publication Date: 2010-05-12
中建投(绍兴)机械科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The casting and forging method is to first produce the casting blank by means of low pressure or gravity casting, and then heat the casting blank and then carry out extrusion forging through the mold. This technology has forming defects such as forging cracking, forging cracking, flashing, and low dimensional accuracy. , as well as secondary processing energy, waste of man-hours, high cost and other deficiencies

Method used

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  • Alloy liquid extrusion casting forming device and process method thereof
  • Alloy liquid extrusion casting forming device and process method thereof
  • Alloy liquid extrusion casting forming device and process method thereof

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Embodiment Construction

[0035] refer to Figure 1 to Figure 9, an alloy liquid squeeze casting molding device and its process method of the present invention, comprising an alloy liquid squeeze casting molding device and an alloy liquid squeeze casting process method, wherein: the alloy liquid squeeze casting molding device includes a hammer Head 1, static mold 2, movable mold 3, sprue 4, wherein, the hammer head 1 is a cylindrical step piston cylinder made of steel, and the upper end surface of the hammer head is provided with a circle extending upward along the right side. A sealing knife 11 formed by a ring-shaped cylinder, the center of the top of the sealing knife 11 is provided with a section of vertically downward groove-shaped pass groove 111 along the diameter line; the static mold 2 is the lower mold part of the vertical die-casting mould. A core 22 is provided, and the parting surface on the right side of the core 22 is provided with an ingate 23 runner formed by a groove, and a cutting kn...

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Abstract

The invention discloses an alloy liquid extrusion casting forming device which comprises a hammerhead (1), a static die (2), a movable die (3) and a pouring slot (4). The device adopts the technical scheme that a declined and downward funnel-shaped pouring slot occupied by both the movable die and the static die arranged respectively by half is arranged on the parting plane on one side of a vertical die casting mould; a cylinder chamber type feed liquid chamber and the piston type hammerhead with a sealing knife is arranged on the static die; the hammerhead is controlled to be pushed up, and simultaneously the sealing knife seals the pouring slot. Firstly, feed liquid is filled into the a die cavity at high speed with low pressure, then the semisolid feed filled into the die cavity is extruded at low speed with high pressure, and the semisolid feed is gradually condensed to be formed under high-pressure low-speed extrusion. The alloy liquid extrusion casting forming device and the process method thereof integrate full casting functions of low-pressure filling and high-pressure extrusion into a whole, ensure that forming of alloy casting achieves the purposes of no gas entrapment, no cast seam, no mis-run, no forging crack, no fash, compact texture, fine crystal grain, high mechanical property, capability of performing thermal treatment and sealing, high dimensional accuracy, energy saving and low cost.

Description

technical field [0001] The invention relates to an alloy liquid extrusion casting device and process, specifically refers to an alloy that utilizes the loading of vertical extrusion equipment, integrates mold and extrusion casting functions, and realizes alloy liquid extrusion casting to form precision alloy castings A liquid squeeze casting molding device and a process method thereof. Background technique [0002] The alloy liquid forming process of the prior art is divided into high pressure casting method, low pressure casting method (including gravity casting) and casting forging method; [0003] The high-pressure casting method uses a high-pressure, high-speed die-casting machine to inject hot liquid magnesium and aluminum alloy into the cavity of the molding mold to cool and shape the product to complete the molding. This technology has the characteristics of fast filling speed and is suitable for thin-walled and complex The production of parts, but poor exhaust often...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D18/02
Inventor 姚国志
Owner 中建投(绍兴)机械科技有限公司
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