CN217666218U

CN217666218U - Anti-deformation clamping fixture for integrally cast ring-shaped piece

Info

Publication number: CN217666218U
Application number: CN202221200694.XU
Authority: CN
Inventors: 何洪涛; 郝大伟; 汪兴芳; 李俊祥; 施长坤; 杜应流
Original assignee: Anhui Yingliu Hangyuan Power Technology Co Ltd
Current assignee: Anhui Yingliu Hangyuan Power Technology Co Ltd
Priority date: 2022-05-18
Filing date: 2022-05-18
Publication date: 2022-10-28
Anticipated expiration: 2032-05-18

Abstract

The utility model discloses a reverse deformation mould of a monolithic casting ring piece, which comprises a placing table, wherein an inner ring support ring is arranged on the placing table, the middle part of the inner ring support ring is connected with a positioning pin, the positioning pin is spliced with the middle part of the placing table, an outer ring of the inner ring support ring is provided with a reverse deformation ring, the bottom surface of the reverse deformation ring is horizontally arranged, the upper end surface of the reverse deformation ring is obliquely arranged towards the inner side, the top surface of the reverse deformation ring is attached to the bottom surface of a turbine blade, and the inner ring support ring and the reverse deformation ring are provided with various models; the utility model discloses press the turbine inner ring, make the top surface of horizontally admitting air limit and anti-deformation ring laminate mutually originally, utilize anti-deformation ring to make the wax matrix form one and have reverse tapered wax matrix, then organize tree, system shell, pouring, when the foundry goods shrink, flatten the angle, finally obtain the monolithic casting turbine working wheel or the director that accords with the drawing requirement, improve the qualification rate of product.

Description

Anti-deformation clamping fixture for integrally cast ring-shaped piece

Technical Field

The utility model relates to an investment precision casting technical field, in particular to anti-deformation mould of block casting loop forming element.

Background

The small-sized aeroengine, the supercharged turbine working wheel and the guider are both composed of a plurality of blades and integrally cast and formed through investment precision casting, due to the difference of the air inlet and outlet thicknesses of castings and the heat dissipation influence of a pouring system, the cooling conditions of the inlet and outlet sides of the castings are inconsistent, the temperatures of air flows on the upper side and the lower side of each blade are different, the cooling difference finally causes the blades of the castings to deform, the diameters of the inlet and outlet sides contract inconsistently, the planes of the inner ring and the outer ring deform, the castings which are allowed to shape rightly can be rightly carried out on the hydraulic press, the castings which are not allowed to shape can only be accepted by giving way with client application, or scrapped, the quality problem exists, and the production cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a whole cast ring shape piece anti-deformation mould, can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a whole cast ring-forming element anti-deformation mould, is including placing the platform, it is provided with the inner circle support ring to place the bench, the middle part of inner circle support ring is connected with the locating pin, the locating pin is pegged graft mutually with the middle part of placing the platform, the outer lane of inner circle support ring is provided with anti-deformation ring, the bottom surface of anti-deformation ring is the level setting, the up end of anti-deformation ring sets up to inboard slope, just the top surface of anti-deformation ring is laminated mutually with turbine blade's bottom surface, inner circle support ring and anti-deformation ring all are provided with multiple model.

Preferably, the positioning pin is of a cylindrical structure, and a positioning hole matched with the positioning pin is formed in the middle of the placing table.

Preferably, the upper end of the positioning pin is fixed with the inner wall of the inner ring support ring through a connecting rod.

Preferably, a limiting ring is fixed on the outer ring of the top of the inner ring supporting ring.

Preferably, the bottom of the anti-deformation ring is provided with an adsorption magnet, the placing table is made of ferromagnetic metal, and an anti-deformation ring mounting line is arranged on the placing table.

Compared with the prior art, the utility model discloses the beneficial effect who produces is:

1. according to the reverse deformation mould for the integral casting ring-shaped piece, the air inlet edge of the blade of the casting piece is horizontal in theory, the reverse deformation ring with the upper end surface inclined towards the inner side is arranged, when the wax mould assembly is carried out, the lower air inlet edge side of the blade and the lower air inlet edge side of the inner ring of the turbine are firstly bonded, the wax mould connected into a whole is placed on the reverse deformation ring, the inner ring of the turbine is pressed, the original horizontal air inlet edge is attached to the top surface of the reverse deformation ring, the upper air outlet side of the blade and the upper air outlet side of the inner ring of the turbine are bonded and combined, then the outer ring of the turbine is bonded and combined, the wax mould is formed into a wax mould with reverse taper by using the reverse deformation ring, then tree assembly, shell making and pouring are carried out, when the casting piece shrinks, the angle is flattened, finally, the integral casting turbine working wheel or a guider which meets the requirements of the drawing is obtained, and the qualification rate of products is improved.

2. This anti-deformation mould of monolithic casting annular member through setting up the inner circle support ring, supports the turbine inner ring when being convenient for install, and the turbine outer loop with place the platform and laminate mutually and place, according to different turbine accessible locating pin replacement different inner circle support rings and anti-deformation ring, satisfy different user demands.

Drawings

FIG. 1 is a schematic view of the overall structure of the turbine wax film of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is an exploded view of a part of the structure of the present invention;

fig. 4 is a cross-sectional view of a reverse deformation ring of the present invention.

In the figure: 1. a placing table; 2. a reverse deformation ring; 3. an inner ring support ring; 4. a limiting ring; 5. a connecting rod; 6. positioning pins; 7. positioning holes; 8. a turbine blade; 9. a turbine outer ring; 10. a turbine inner ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present application, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application.

In the description of the present application, it should be noted that, unless otherwise specifically stated or limited, the terms "disposed," "mounted," "connected" and "connected" should be construed broadly, and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediary, and a communication between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

As shown in fig. 1-4, a reverse deformation mould for a block cast ring-shaped member comprises a placing table 1, an inner ring support ring 3 is arranged on the placing table 1, a positioning pin 6 is connected to the middle of the inner ring support ring 3, the positioning pin 6 is inserted into the middle of the placing table 1, a reverse deformation ring 2 is arranged on the outer ring of the inner ring support ring 3, the bottom surface of the reverse deformation ring 2 is horizontally arranged, the upper end surface of the reverse deformation ring 2 is inclined towards the inner side, the top surface of the reverse deformation ring 2 is attached to the bottom surface of a turbine blade 8, and the inner ring support ring 3 and the reverse deformation ring 2 are provided with various models.

The air inlet edge of the cast blade is horizontal, the upper end face of the anti-deformation ring is inclined inwards, when the wax mould is used for moulding, the lower air inlet edge side of the blade 8 and the lower air inlet edge side of the turbine inner ring 10 are firstly bonded, the wax mould connected into a whole is placed on the anti-deformation ring, the turbine inner ring 10 is pressed, the original horizontal air inlet edge is bonded with the top surface of the anti-deformation ring, the upper air outlet side of the blade 8 and the upper air outlet side of the turbine inner ring 10 are bonded, then the turbine outer ring 9 is bonded and combined, the wax mould is formed into the wax mould 7 with reverse taper by the anti-deformation ring, tree assembling, shell manufacturing and pouring are carried out, when the cast is contracted, the angle is flattened, finally, a cast turbine working wheel or a guider which meets the drawing requirements is obtained, the qualification rate of products is improved, the turbine inner ring is conveniently supported when the turbine inner ring is installed by arranging the inner ring support ring, the turbine outer ring is bonded and placed with the placing table, different inner ring support rings and the anti-deformation ring can be replaced by positioning pins according to different turbines, and different use requirements are met.

As shown in fig. 2 to 3, in this embodiment, the positioning pin 6 is a cylindrical structure, a positioning hole 7 matched with the positioning pin 6 is formed in the middle of the placing table 1, and the upper end of the positioning pin 6 is fixed to the inner wall of the inner ring support ring 3 through a connecting rod 5.

Through locating pin and locating hole plug-in connection, be convenient for install and replace the inner circle support ring fast, and link to each other through connecting rod and locating pin, be convenient for fix a position the use fast to the inner circle support ring, increase bulk strength.

As shown in fig. 2 to 3, in this embodiment, a limiting ring 4 is fixed on the top outer ring of the inner ring support ring 3, an adsorption magnet is installed at the bottom of the anti-deformation ring 2, the placing table 1 is made of ferromagnetic metal, and an anti-deformation ring installation line is arranged on the placing table 1.

The anti-deformation ring of unidimensional not can correspond the adsorption equipment and use in the anti-deformation ring mounting line of difference, can the accurate positioning to magnetism is inhaled and is connected quick installation and replacement, and the position of pressing the turbine inner ring can be restricted to the spacing ring, is carrying out the wax membrane combination formula, makes the pressure turbine inner ring carry out the accurate positioning.

Certain exemplary embodiments of the present invention have been described above by way of illustration only, and it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides a whole cast ring-shaped member anti-deformation mould, is including placing the platform, its characterized in that: the utility model discloses a turbine blade, including place the bench, place the bench and be provided with the inner circle support ring, the middle part of inner circle support ring is connected with the locating pin, the locating pin is pegged graft mutually with the middle part of placing the platform, the outer lane of inner circle support ring is provided with anti-deformation ring, anti-deformation ring's bottom surface sets up for the level, anti-deformation ring's up end sets up towards inboard slope, just anti-deformation ring's top surface laminates mutually with turbine blade's bottom surface, inner circle support ring and anti-deformation ring all are provided with multiple model.

2. The reverse deformation clamping fixture of the integrally cast ring part according to claim 1, characterized in that: the locating pin is cylindrical structure, place the middle part of platform and offer the locating hole with locating pin assorted.

3. The reverse deformation mould for the integral casting ring-shaped member as claimed in claim 2, characterized in that: the upper end of the positioning pin is fixed with the inner wall of the inner ring support ring through a connecting rod.

4. The reverse deformation clamping fixture of the integrally cast ring part according to claim 1, characterized in that: and a limiting ring is fixed on the outer ring of the top of the inner ring supporting ring.

5. The reverse deformation clamping fixture of the integrally cast ring part according to claim 1, characterized in that: the bottom of the anti-deformation ring is provided with an adsorption magnet, the placing table is made of ferromagnetic metal, and an anti-deformation ring mounting line is arranged on the placing table.