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Die for trimming large turbine blade

A technology for steam turbine blades and trimming, which is applied in the field of hydraulic machinery, can solve the problems of cumbersome mold changing operation, safety, time-consuming and labor-intensive, etc., and achieve the effects of improving production efficiency, simple structure, and quick and easy mold changing operation.

Inactive Publication Date: 2015-02-11
TIANJIN TIANDUAN PRESS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above-mentioned mold changing operation is not only cumbersome, time-consuming and labor-intensive, but also has potential safety hazards

Method used

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  • Die for trimming large turbine blade

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Effect test

Embodiment Construction

[0010] In order to further understand the invention content, characteristics and effects of the present invention, the following examples are given, and detailed descriptions are as follows in conjunction with the accompanying drawings:

[0011] see figure 1 , a large-scale steam turbine blade trimming die, including an upper die base 1 connected with a slider, an upper punch 4, a lower die base 7 and a lower punch 5 installed on a mobile workbench. The upper end of the upper punch and the middle part of the upper die base are fixed by screws, guide sleeves 3 are installed at both ends of the upper die base, and a die change clamp 2 is arranged outside the two guide sleeves of the upper die base.

[0012] In this embodiment, the mold change clamp is used to quickly fix and disengage the upper and lower molds from the slider and the mobile worktable.

[0013] A cavity 7-1 for placing a discharge trolley and a workpiece tray is formed in the lower mold base, and guide columns 6...

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Abstract

The invention relates to a die for trimming a large turbine blade. The die for trimming the large turbine blade comprises an upper die base, an upper punch, a lower die base and a lower punch, wherein the upper die base is connected with a slider; and the lower die base is arranged on a movable worktable. The die for trimming the large turbine blade is characterized in that the upper end of the upper punch is fixed with the middle of the upper die base; guide sleeves are respectively arranged at two ends of the upper die base; die changing clamps are respectively arranged on the outer sides of the two guide sleeves of the upper die base; a cavity for accommodating a discharging trolley and a workpiece tray is formed in the lower die base; and guiding columns which are matched with the two guide sleeves of the upper die base are arranged at two ends of the lower die base. The die for trimming the large turbine blade has the advantages that the die is simple in structure, die changing operation is quick, easy, convenient, safe and reliable, the production efficiency is improved greatly, the machining cost of the turbine blade is reduced, and requirements on modernization production of the turbine blade are met.

Description

technical field [0001] The invention belongs to the technical field of hydraulic machinery, in particular to a die for edge trimming of large steam turbine blades. Background technique [0002] Steam turbine is the main prime mover of modern thermal power plants and nuclear power plants. It can also be used as propulsion power for large ships and warships, as well as various large working machines driven by metallurgy, chemical industry and other industries. The blade is an important component of the steam turbine. The traditional processing method of the steam turbine blade is mostly cast and then processed by a press, and the mold structure of the press processing equipment is generally fixed with the lower end of the upper punch and the upper die seat. When the punch needs to be replaced When removing the punch, the operator needs to remove the fixing screw from below. In order to prevent the upper punch from falling during disassembly, the upper punch needs to be suspend...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D28/14
CPCB21D28/14
Inventor 武健
Owner TIANJIN TIANDUAN PRESS CO LTD
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