CN220094310U

CN220094310U - Quick-change fixture for turbine blade machining

Info

Publication number: CN220094310U
Application number: CN202320342168.5U
Authority: CN
Inventors: 叶义鹏
Original assignee: Nanjing Hangxun Mechanical And Electrical Co ltd
Current assignee: Nanjing Hangxun Mechanical And Electrical Co ltd
Priority date: 2023-02-28
Filing date: 2023-02-28
Publication date: 2023-11-28
Anticipated expiration: 2033-02-28

Abstract

The utility model discloses a quick-change fixture for machining turbine blades, which comprises a lower fixture, wherein the lower fixture comprises two first fixed clamping plates, a plurality of lower clamping pieces are arranged between the first fixed clamping plates in parallel, a plurality of gaskets are arranged between the lower clamping pieces and the first fixed clamping plates in parallel, and the lower clamping pieces, the gaskets and the first fixed clamping plates are fixed through three long bolts and three nuts; the upper clamp comprises two fixed clamping plates II, and a plurality of upper clamping sheets are arranged between the two fixed clamping plates II in parallel; and the first fixed clamping plates are respectively provided with a limiting strip corresponding to the slotting position in a sliding manner, and the limiting strips are connected with the first fixed clamping plates through limiting components. According to the utility model, the turbine blades are clamped by adopting the targeted clamp, so that the device is suitable for different turbine blades and different processing positions, and can realize non-manual quick replacement operation.

Description

Quick-change fixture for turbine blade machining

Technical Field

The utility model relates to the technical field related to turbine blade machining, in particular to a quick-change fixture clamp for turbine blade machining.

Background

An aeroengine has thousands of blades of different types, which are key parts of the engine, and realize the core functions of the engine. These blades are made of different materials, by different processes, and face different engineering challenges. The turbine blade can be said to be an important step in engine processing, the turbine blade needs to be clamped in the processing process of the turbine blade, the stable clamping of the turbine blade is troublesome because of more arc processing surfaces of the turbine blade, meanwhile, in order to ensure the processing efficiency when the turbine blade is processed, a tool fixture is needed to quickly replace the turbine blade, and meanwhile, the processing of the turbine blade cannot be hindered while the clamping stability is ensured.

Therefore, we propose a quick-change fixture for turbine blade machining to solve the above problems.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a quick-change fixture for machining a turbine blade.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

quick change frock clamp of turbine blade processing includes: the lower clamp comprises two first fixed clamping plates, a plurality of lower clamping pieces are arranged between the two first fixed clamping plates in parallel, a plurality of gaskets are arranged between the plurality of lower clamping pieces and the two first fixed clamping plates in parallel, and the plurality of lower clamping pieces, the plurality of gaskets and the two first fixed clamping plates are fixed through three long bolts and three nuts;

the upper clamp comprises two fixed clamping plates II, a plurality of upper clamping pieces are arranged between the two fixed clamping plates II in parallel, and the upper clamping pieces are fixed with the two fixed clamping plates II through two long bolts and two nuts II;

the center positions of the upper ends of the fixed clamping plates I and the lower clamping plates are provided with grooves;

and the two first fixed clamping plates are respectively provided with a limiting strip corresponding to the slotting position in a sliding manner, and the limiting strips are connected with the first fixed clamping plates through limiting components.

Preferably, the lower clamping piece bottom surface and the upper clamping piece top surface are both configured to match the shape of the turbine blade.

Preferably, the center positions of the upper ends of the upper clamping pieces are fixedly provided with mounting bars.

Preferably, the limiting component comprises a through opening arranged on the first fixed clamping plate, a fixed strip is fixedly arranged on the first fixed clamping plate, a short bolt is arranged on the fixed strip in a penetrating mode, a nut III is arranged on the short bolt in a threaded sleeve mode, a strip-shaped opening is formed in the limiting strip, and the limiting strip is arranged on the short bolt in a sliding sleeve mode.

Preferably, the upper end surface of the limit strip is provided with scale marks.

Preferably, two ends of the limit strips, which are close to each other, are vertically and rotatably provided with a supporting roller.

Compared with the prior art, the utility model has the beneficial effects that: the fixture clamps the turbine blade by adopting a targeted clamp, the upper clamp and the lower clamp are formed by attaching and juxtaposing a plurality of clamping pieces, and the clamping pieces can be replaced and changed in number according to the surface processing of the turbine blade to be in a corresponding shape, so that the fixture is suitable for different turbine blades; the upper clamp width in the fixture is smaller than the lower clamp width, two limit strips are symmetrically arranged on the lower clamp, the positions of the two limit strips can be changed, so that different turbine blades can be adapted, the turbine blades can be limited at different positions on the lower clamp, different positions are exposed for convenient machining, the requirements of different machining positions are met, the fixture can be controlled to open and close through an additional vertical control machine, and the fixture can be matched with a peripheral picking and placing device to realize non-manual quick replacement operation.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic perspective view of another view of the present utility model;

fig. 3 is a schematic perspective view of another view of the present utility model.

In the figure:

the clamping device comprises a lower clamp, an upper clamp, a first 11 fixing clamp plate, a lower clamping piece, a 13 gasket, a first 14 long bolt, a first 15 nut, a second 21 fixing clamp plate, a second 22 upper clamping piece, a second 23 long bolt, a second 24 nut, a 111 limiting strip, a 112 fixing strip, a 113 short bolt, a third 114 nut and a 115 abutting roller.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to the quick change tooling fixture for turbine blade machining shown in fig. 1-3, comprising:

the lower clamp 1 is used for bearing the turbine blade and playing a supporting role, wherein the lower clamp 1 comprises two first fixing clamping plates 11, a plurality of lower clamping plates 12 are arranged between the two first fixing clamping plates 11 in parallel, a plurality of gaskets 13 are arranged between the plurality of lower clamping plates 12 and the two first fixing clamping plates 11 in parallel, the plurality of lower clamping plates 12, the plurality of gaskets 13, the two first fixing clamping plates 11 are fixed through three long bolts 14 and three nuts 15, namely the long bolts 14 penetrate through the two first fixing clamping plates 11, the plurality of lower clamping plates 12 and the plurality of gaskets 13 and then are fixed by matching with the nuts 15, and in the process, a suspension part can exist for the turbine blade when the turbine blade is placed through the arrangement of the gaskets 13, so that the operation is convenient for subsequent processing;

in order to fix the turbine blade on the lower fixture 1, the fixture is also provided with an upper fixture 2 corresponding to the lower fixture 1, the upper fixture 2 comprises two fixing clamping plates II 21, a plurality of upper clamping plates 22 are arranged between the two fixing clamping plates II 21 in parallel, the plurality of upper clamping plates 22 and the two fixing clamping plates II 21 are fixed through two long bolts II 23 and two nuts II 24, the structure of the fixture is the same as that of the lower fixture 1, the bottom surface of the lower clamping plate 12 and the top surface of the upper clamping plate 22 are both arranged to match the shape of the turbine blade, the clamping plates can be replaced according to the shape of the turbine blade and the changing number is high in applicability, meanwhile, the center positions of the upper ends of the plurality of upper clamping plates 22 are fixedly provided with mounting strips 221, and the plurality of mounting strips 221 can be used for connecting the existing vertical control machines, such as a hydraulic lifting device and the like, so as to control the opening and closing operation of the fixture;

meanwhile, grooves are formed in the center positions of the upper ends of the first fixing clamping plates 11 and the lower clamping plates 12; the two first fixing clamping plates 11 are respectively provided with a limiting strip 111 corresponding to the slotting position in a sliding manner, the two limiting strips 111 can limit two sides of the turbine blade so as to control the position of the turbine blade on the lower clamping plate 1, and the position of the limiting strips 111 can be changed, so that the limiting strips 111 are connected with the first fixing clamping plates 11 through a limiting assembly, the upper end surfaces of the limiting strips 111 are provided with scale marks which are convenient for people to clearly know the positions of the limiting strips 111, and meanwhile, in order to avoid friction damage to the turbine blade, one ends, close to each other, of the two limiting strips 111 are respectively provided with a supporting roller 115 in a vertical rotation manner so as to contact the turbine blade;

in some embodiments, the limiting component comprises a through opening arranged on the first fixed clamping plate 11, a fixed strip 112 is fixedly arranged on the first fixed clamping plate 11, a short bolt 113 is arranged on the fixed strip 112 in a penetrating mode, a nut III 114 is sleeved on the short bolt 113 in a threaded mode, a strip-shaped opening is arranged on the limiting strip 111, the limiting strip 111 is slidably sleeved on the short bolt 113 in a sleeved mode, the position of the limiting strip 111 can be adjusted after the nut III 114 is unscrewed, and the position of the limiting strip 111 can be fixed after screwing.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. Quick change frock clamp of turbine blade processing, its characterized in that includes:

the lower clamp (1) comprises two first fixed clamping plates (11), a plurality of lower clamping plates (12) are arranged between the two first fixed clamping plates (11) in parallel, a plurality of gaskets (13) are arranged between the plurality of lower clamping plates (12) and the two first fixed clamping plates (11) in parallel, and the plurality of lower clamping plates (12) are fixed with the plurality of gaskets (13) and the two first fixed clamping plates (11) through three long bolts (14) and three nuts (15);

the upper clamp (2) comprises two fixed clamping plates II (21), a plurality of upper clamping plates (22) are arranged between the two fixed clamping plates II (21) in parallel, and the plurality of upper clamping plates (22) and the two fixed clamping plates II (21) are fixed through two long bolts II (23) and two nuts II (24);

the center positions of the upper ends of the first fixing clamping plates (11) and the lower clamping plates (12) are provided with grooves;

and limiting strips (111) corresponding to the slotting positions are arranged on the first fixed clamping plate (11) in a sliding mode, and the limiting strips (111) are connected with the first fixed clamping plate (11) through limiting components.

2. The quick change tooling fixture for turbine blade machining of claim 1, wherein the bottom surface of the lower clamping plate (12) and the top surface of the upper clamping plate (22) are both configured to match the shape of the turbine blade.

3. The quick-change fixture for machining turbine blades according to claim 1, wherein a plurality of mounting bars (221) are fixedly arranged at the central positions of the upper ends of the upper clamping pieces (22).

4. The quick-change fixture for machining turbine blades according to claim 1, wherein the limiting assembly comprises a through opening arranged on a first fixed clamping plate (11), a fixed strip (112) is fixedly arranged on the first fixed clamping plate (11), a short bolt (113) is arranged on the fixed strip (112) in a penetrating mode, a nut III (114) is sleeved on the short bolt (113) in a threaded mode, a strip-shaped opening is arranged on the limiting strip (111), and the limiting strip (111) is slidably sleeved on the short bolt (113).

5. The quick-change fixture for machining turbine blades according to claim 1, wherein the upper end surface of the limit strip (111) is provided with scale marks.

6. The quick-change fixture for machining turbine blades according to claim 1, wherein two limiting strips (111) are vertically and rotatably provided with a supporting roller (115) at one end close to each other.