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Mechanical loading creep age forming device for aluminum alloy component

A technology for creep aging forming and aluminum alloy components, which is applied in the field of creep aging forming devices for large thin-walled aluminum alloy components used in aerospace, to achieve the effects of avoiding long heating time, reducing device cost, and uniform force

Active Publication Date: 2021-02-09
CENT SOUTH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] But inventor finds in practice research, this device and method still have its drawback to need improvement

Method used

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  • Mechanical loading creep age forming device for aluminum alloy component
  • Mechanical loading creep age forming device for aluminum alloy component
  • Mechanical loading creep age forming device for aluminum alloy component

Examples

Experimental program
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Effect test

Embodiment 1

[0028] The invention provides a creep aging forming device for a large aluminum alloy component, the device includes a support (1), a beam (2), a loading assembly and a mold assembly, the support is used to support the beam, and the beam is provided with There is the loading assembly, and the loading assembly includes more than three loading rods (3), more than three sets of loading connectors (4), fixing pins (5) and loading shafts (6), and each group of loading connectors ( 4) It includes more than two loading connectors connected to the same loading rod, the loading shaft is arranged horizontally, and the bottom of the loading shaft is provided with a bottom groove (61) that is a through groove at least at one end in its length direction, so The bottom groove is used for the upper side of the fixing pin to be inserted into the loading shaft from the horizontal direction, and the loading rod includes two vertical rods (31) and a shaft connected to the bottom of the two vertic...

Embodiment 2

[0032] A creep aging forming device for mechanically loaded aluminum alloy components, the device includes a support (1), a beam (2), a loading assembly and a mold assembly, the support is used to support the beam, and the beam is provided with The loading assembly includes more than three loading rods (3), more than three sets of loading connectors (4), more than three sets of worms (11) and loading shafts (6), each set of loading connectors (4) comprising two or more loading connectors connected to the same loading rod, each group of worms (11) comprising more than two worms matched and connected with the same group of loading connectors, the loading shaft is arranged horizontally, the The loading bar includes two vertical bars (31) and a cross bar (32) connected to the bottom of the two vertical bars and used to apply mechanical pressure to the aluminum alloy member, and the loading connector (4) is used to connect the loading bar ( 3) and the loading shaft (6), the loading...

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Abstract

The invention provides a mechanical loading creep age forming device for an aluminum alloy component. The device comprises a loading assembly. The loading assembly comprises loading rods, loading connecting pieces, worms and loading shafts. The loading shafts are horizontally arranged, each loading rod comprises two vertical rods and a transverse rod, each loading connecting piece comprises a turbine ring arranged on the upper part and a connecting rod arranged on the lower part. The turbine rings are used for being arranged on the loading shafts in a sleeving mode, each loading rod is at least connected with two loading connecting pieces in the same set in a matched mode, each set of loading connecting pieces are arranged in a staggered mode in the axial direction of the loading shaft, and the worms and turbine teeth at the tops of the turbine rings are matched and adjusted so that the angles formed by vertical rods of all the loading rod and the horizontal plane can be different. Inthe loading scheme, the angle between the loading rods can be adjusted according to the length or thickness of an aluminum alloy plate, so that the stress is more uniform, and the aluminum alloy plateis tightly attached to the molded surface of a mold. Compared with the prior art, the aluminum alloy component product with higher precision can be prepared.

Description

technical field [0001] The invention belongs to the technical field of creep aging forming of large aluminum alloy components, and in particular relates to a creep aging forming device for large thin-walled aluminum alloy components used in aerospace. Background technique [0002] Creep aging forming is a new type of sheet metal forming technology, which can realize forming and strength improvement of components at the same time, and is widely used in the manufacture of large thin-walled components in aerospace. The creep aging forming process can be divided into three stages: loading stage, creep aging stage, and unloading stage. Among them, the bending loading methods of components mainly include mechanical loading and vacuum bag loading. The mechanical loading method requires two sets of concave and convex molds, but there are problems such as long heating time and large space volume, and is generally only suitable for small-scale components in the laboratory; the vacuum ...

Claims

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Application Information

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IPC IPC(8): B21D31/00C22F1/04C21D8/00
CPCB21D31/00C21D8/00C22F1/04
Inventor 湛利华杨有良李国鹏
Owner CENT SOUTH UNIV