一种透平机械叶轮铣制装夹工装

By designing a single-cast turbine impeller milling clamping fixture, which uses bolts and locating pins to achieve stable clamping of the impeller, the problem of complex structure and high cost of existing fixtures is solved, the machining accuracy and reliability are improved, and the cost is reduced.

CN224509062UActive Publication Date: 2026-07-17HANGZHOU HANGYANG EXPANDER CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HANGZHOU HANGYANG EXPANDER CO LTD
Filing Date
2025-07-14
Publication Date
2026-07-17

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Abstract

本实用新型公开了一种透平机械叶轮铣制装夹工装，装于机床上用于夹持叶轮毛坯，包括工装主体，所述工装主体具有连接面一和连接面二，所述连接面一通过定位结构一和固定结构一连接机床，所述连接面二通过定位结构二和固定结构二连接叶轮，所述工装主体内镂空设置有操作腔，所述固定结构二包括贯穿所述连接面二设置的螺栓，所述螺栓的操作部位于所述操作腔内。本实用新型目的在于解决现有技术中存在的技术问题，提供一种透平机械叶轮铣制装夹工装，它的稳定性好，铣制精度高，同时装拆方便。
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Claims

1. A turbine wheel milling fixture for attachment to a machine tool for holding a turbine wheel blank, characterized by: The fixture includes a main body with a connecting surface one and a connecting surface two. The connecting surface one is connected to a machine tool through a positioning structure one and a fixing structure one. The connecting surface two is connected to an impeller through a positioning structure two and a fixing structure two. An operating cavity is hollowed out inside the fixture body. The fixing structure two includes a bolt that passes through the connecting surface two. The operating part of the bolt is located inside the operating cavity.

2. A turbine wheel milling fixture according to claim 1, wherein: The bolt is located at the center of the first connecting surface.

3. A turbine wheel milling fixture according to claim 1, wherein: A gasket is provided between the operating part and the connecting surface.

4. A turbine wheel milling fixture according to claim 1, wherein: The positioning structure includes a positioning protrusion on the connecting surface.

5. A turbine wheel milling fixture according to claim 1, wherein: The fixing structure includes a screw that passes through the connecting surface, and the operating part of the screw is located inside the operating cavity.

6. A turbine wheel milling fixture according to claim 5, wherein: The connecting surface is provided with a countersunk hole that matches the operating part of the screw.

7. A turbine wheel milling fixture according to claim 1, wherein: The second positioning structure includes a positioning pin, which is located between the first connecting surface and the back of the impeller blank.

8. A turbine wheel milling fixture according to claim 7, wherein: The second positioning structure includes a first positioning pin and a second positioning pin, the first positioning pin and the second positioning pin having different dimensions.

9. A turbine wheel milling fixture according to any one of claims 1-8, characterized in that: The operating cavity has a flared structure that expands outward from the center of the tooling body.

10. A turbine wheel milling fixture according to any one of claims 1-8, characterized in that: The main body of the tooling is manufactured by integral casting and is made of HT200 material.