High-temperature alloy blade fixing tool

Abstract

The utility model discloses a high-temperature alloy blade fixing tool. Comprising a bottom plate, supporting pieces, positioning pieces and fixing pieces. A supporting piece, a positioning piece and a fixing piece are arranged on the bottom plate, and a fixing station is defined by the supporting piece, the positioning piece and the fixing piece; the supporting pieces comprise the front-end supporting pieces and the rear-end supporting pieces, the front-end supporting pieces are symmetrically arranged on the bottom plate, and the rear-end supporting pieces are arranged on the center line between the front-end supporting pieces. The positioning pieces comprise blade side edge positioning pieces and blade front end positioning pieces, the blade front end positioning pieces are located on the bottom face of the front end of the blade and symmetrically arranged on the bottom plate, and the positioning ends of the blade front end positioning pieces make contact with the bottom face of the front end of the blade; seven-point positioning is formed on the blade through the front end supporting piece, the rear end supporting piece, the blade side edge positioning piece and the blade front end positioning piece; the fixing piece comprises a blade rear end fixing piece which limits movement of the blade in the axial direction and the radial direction. The blade position error is reduced, and the machining precision is guaranteed.

Description

Technical Field:

[0001] The utility model belongs to the technical field of superalloy blade processing, and particularly relates to a fixing tooling for superalloy blades. Background Art:

[0002] The processing accuracy requirements for superalloy blades are high. Therefore, when the product is placed on the tooling, the position of the product needs to be accurately positioned, and during the processing, the product is required to maintain a fixed position on the tooling to prevent displacement. The existing fixing tooling cannot well perform position positioning, nor can it well keep the product fixed on the tooling during processing, which affects the processing accuracy of the product.

[0003] The information disclosed in this background art section is only intended to enhance the overall understanding of the utility model and should not be regarded as an admission or any form of implication that this information constitutes the prior art already known to those of ordinary skill in the art. Summary of the Utility Model:

[0004] The purpose of the utility model is to provide a fixing tooling for superalloy blades, thereby overcoming the defects in the above-mentioned prior art.

[0005] To achieve the above purpose, the utility model provides a fixing tooling for superalloy blades, which includes a bottom plate, a support member, a positioning member, and a fixing member; the bottom plate is provided with a support member, a positioning member, and a fixing member, and the support member, the positioning member, and the fixing member enclose a fixing station; the support member includes a front-end support member and a rear-end support member. The front-end support members are symmetrically arranged on the bottom plate, and the rear-end support member is arranged on the center line between the front-end support members. The connection line between the front-end support member and the rear-end support member forms an isosceles triangle. The support surface structures of the front-end support member and the rear-end support member are adapted to the corresponding position structures of the blade; the positioning member includes a blade side positioning member and a blade front positioning member. The blade front positioning member is located at the bottom surface of the blade front end, and the blade front positioning members are symmetrically arranged on the bottom plate. The positioning end of the blade front positioning member contacts the bottom surface of the blade front end. The blade side positioning member is divided into a blade side front positioning member and a blade side rear positioning member. The positioning end positions and heights of the blade side front positioning member and the blade side rear positioning member are matched with the blade side structure; seven-point positioning of the blade is formed by the front-end support member, the rear-end support member, the blade side positioning member, and the blade front positioning member; the fixing member includes a blade rear fixing member, and the blade rear fixing member is divided into a blade rear axial fixing member and a blade rear radial fixing member. The fixing end positions of the blade rear axial fixing member and the blade rear radial fixing member are matched with the axial surface and the radial surface of the blade rear end.

[0006] Preferably, in the technical solution, the front-end support member includes a square column, an elastic member, and a front support block. An installation groove is provided in the square column, and an elastic member and a front support block are provided in the installation groove. The front support block is connected to the elastic member, and a V-shaped groove is provided at the top of the front support block. The size of the V-shaped groove is matched with the structures at both ends of the fixed part at the front end of the blade; the distance between the front support blocks is adapted to the width of the fixed part at the front end of the blade.

[0007] Preferably, in the technical solution, the rear-end support member includes a profiling block and a spring. The spring is provided on the bottom plate, and the profiling block is connected to the spring. The structure of the profiling block is matched with the structure of the bottom surface at the rear end of the blade; the distance between the profiling block and the front support block is adapted to the length of the blade.

[0008] Preferably, in the technical solution, the front-end positioning member of the blade, the front positioning member on the side of the blade, and the rear positioning member on the side of the blade all include a positioning column and a tapered positioning pin. A tapered positioning pin is provided on the positioning column, and the tapered positioning pin serves as a positioning end to contact the corresponding position of the blade; among them, the tapered positioning pin of the front-end positioning member of the blade is located at the top of the positioning column, and the tapered positioning pins of the front positioning member on the side of the blade and the rear positioning member on the side of the blade are located on the inner side surface of the positioning column.

[0009] Preferably, in the technical solution, the height of the positioning column of the rear positioning member on the side of the blade is higher than the height of the positioning column of the front positioning member on the side of the blade. Similarly, the height of the tapered positioning pin of the rear positioning member on the side of the blade is higher than the height of the tapered positioning pin of the front positioning member on the side of the blade.

[0010] Preferably, in the technical solution, the axial fixing member at the rear end of the blade and the radial fixing member at the rear end of the blade both include a fixing column and an auxiliary tightening bolt. An auxiliary tightening bolt is provided on the fixing column, and the auxiliary tightening bolt serves as a fixing end, and the auxiliary tightening bolt is arranged towards the corresponding axial surface and radial surface at the rear end of the blade.

[0011] Preferably, in the technical solution, the fixing member further includes a pressing plate mechanism. The pressing plate mechanism includes a support rod and a pressing plate. The support rods are arranged on both sides of the front end of the blade, and the pressing plate is arranged on the support rods in a liftable manner. The pressing plate is located above the front end of the blade to limit the movement of the blade in the height direction. By cooperating with the fixing member at the rear end of the blade through the pressing plate, the blade is fixed in the axial, radial, and height directions.

[0012] Compared with the prior art, the present utility model has the following beneficial effects:

[0013] The blade is positioned at seven points by the support member and the positioning member, ensuring the accuracy of the blade placement position and reducing the error of the blade position. By fixing the blade in the axial, radial, and height directions, the blade is prevented from moving during processing, ensuring the processing accuracy. Description of the Drawings:

[0014] Figure 1Schematic structural diagram of the fixture for fixing superalloy blades of the present utility model;

[0015] Figure 2 Schematic diagram of the working state of the fixture for fixing superalloy blades of the present utility model. Specific implementation manner:

[0016] The following describes in detail the specific implementation manner of the present utility model, but it should be understood that the protection scope of the present utility model is not limited by the specific implementation manner.

[0017] Unless otherwise clearly stated, throughout the specification and claims, the term "comprising" or its variations such as "including" or "having" etc. will be understood to include the stated elements or components, without excluding other elements or other components.

[0018] As Figure 1 shown, a fixture for fixing superalloy blades includes a bottom plate 1, a support member, a positioning member, and a fixing member; the support member, the positioning member, and the fixing member are arranged on the bottom plate 1, and the support member, the positioning member, and the fixing member enclose a fixing station; the support member includes a front-end support member and a rear-end support member. The front-end support members are symmetrically arranged on the bottom plate 1, and the rear-end support member is arranged on the center line between the front-end support members. The connection line between the front-end support member and the rear-end support member forms an isosceles triangle. The support surface structures of the front-end support member and the rear-end support member are adapted to the corresponding position structures of the blade 2; the front-end support member includes a square column 3, an elastic member, and a front support block 4. An installation groove is arranged in the square column 3, and the elastic member and the front support block 4 are arranged in the installation groove. The front support block 4 is connected to the elastic member, and a V-shaped groove 5 is arranged at the top of the front support block 4. The size of the V-shaped groove 5 is matched with the structures at both ends of the front fixed part of the blade 2; the distance between the front support blocks 4 is adapted to the width of the front fixed part of the blade 2; the rear-end support member includes a profiling block 6 and a spring 7. The spring 7 is arranged on the bottom plate 1, and the profiling block 6 is connected to the spring 7. The structure of the profiling block 6 is matched with the structure of the bottom surface of the rear end of the blade 2; the distance between the profiling block 6 and the front support block 4 is adapted to the length of the blade 2;

[0019] The positioning members include a blade side positioning member and a blade front positioning member. The blade front positioning member is located at the bottom surface of the front end of the blade 2. The blade front positioning members are symmetrically arranged on the bottom plate 1. The positioning end of the blade front positioning member contacts the bottom surface of the front end of the blade 2. The blade side positioning member is divided into a blade side front positioning member and a blade side rear positioning member. The positioning end positions and heights of the blade side front positioning member and the blade side rear positioning member are matched with the side structure of the blade 2. The blade 2 is positioned at seven points by the front support member, the rear support member, the blade side positioning member, and the blade front positioning member. The blade front positioning member includes a first positioning post 8 and a second positioning post 9. First tapered positioning pins 10 and second tapered positioning pins 11 are respectively arranged at the tops of the first positioning post 8 and the second positioning post 9. The blade side front positioning member includes a third positioning post 12. A third tapered positioning pin 13 is arranged on the inner side surface of the third positioning post 12. The blade side rear positioning member includes a fourth positioning post 14. A fourth tapered positioning pin 15 is arranged on the inner side surface of the fourth positioning post 14. The first tapered positioning pin 10, the second tapered positioning pin 11, the third tapered positioning pin 13, and the fourth tapered positioning pin 15 serve as positioning ends and contact the corresponding positions of the blade 2. The height of the fourth positioning post 14 is higher than the height of the third positioning post 12. Similarly, the height of the fourth tapered positioning pin 15 is higher than the height of the third tapered positioning pin 13.

[0020] The fixing members include a blade rear fixing member and a pressing plate mechanism. The blade rear fixing member is divided into a blade rear axial fixing member and a blade rear radial fixing member. The fixing end positions of the blade rear axial fixing member and the blade rear radial fixing member are matched with the axial surface and the radial surface of the rear end of the blade 2. The blade rear axial fixing member includes a first fixing post 16. A first auxiliary tightening bolt 17 is arranged on the first fixing post 16. The blade rear radial fixing member includes a second fixing post 18. A second auxiliary tightening bolt 19 is arranged on the second fixing post 18. The first auxiliary tightening bolt 17 and the second auxiliary tightening bolt 19 serve as fixing ends. The first auxiliary tightening bolt 17 is arranged facing the axial surface of the rear end of the blade 2. The second auxiliary tightening bolt 19 is arranged facing the radial surface of the rear end of the blade 2. The pressing plate mechanism includes a support rod 20 and a pressing plate 21. The support rod 20 is arranged on both sides of the front end of the blade 2. The pressing plate 21 is arranged on the support rod 20 in a liftable manner. The pressing plate 21 is located above the front end of the blade 2 to restrict the movement of the blade 2 in the height direction. The blade 2 is fixed in the axial, radial, and height directions by the cooperation of the pressing plate 21 and the blade rear fixing member.

[0021] Such as Figure 2As shown, the blade 2 is placed on the fixed work station, and the V-shaped groove 5 and the profiling block 6 respectively support and position the front end and the rear end of the blade 2. The first tapered positioning pin 10 and the second tapered positioning pin 11 respectively position the bottom surface of the front end of the blade 2, and the third tapered positioning pin 13 and the fourth tapered positioning pin 15 respectively position the side of the blade 2. Seven-point positioning of the blade 2 is formed by the support member and the positioning member to ensure the accuracy of the placement position of the blade 2 and reduce the error of the blade position. The first auxiliary tightening bolt 17 and the second auxiliary tightening bolt 19 are pushed to respectively abut against the axial surface and the radial surface of the rear end of the blade 2, and the pressing plate 21 is pressed down to press the front end of the blade 2, so as to fix the blade 2 in the axial, radial and height directions, prevent the blade 2 from moving during processing, and ensure the processing accuracy.

[0022] The foregoing description of the specific exemplary embodiments of the present invention is for purposes of illustration and exemplification. These descriptions are not intended to limit the present invention to the precise forms disclosed, and it is obvious that many changes and variations are possible in light of the above teaching. The purpose of selecting and describing the exemplary embodiments is to explain the specific principles of the present invention and its practical applications, so that those skilled in the art can implement and utilize various different exemplary embodiments of the present invention, as well as various different selections and changes. The scope of the present invention is intended to be defined by the claims and their equivalents.

Claims

1. A high temperature alloy blade fixing tool, characterized in that: It includes a bottom plate, a support, a positioning member, and a fixing member; the bottom plate is provided with a support, a positioning member, and a fixing member, and the support, the positioning member, and the fixing member form a fixed station; the support includes a front end support member and a rear end support member, the front end support member is symmetrically arranged on the bottom plate, the rear end support member is arranged on the center line between the front end support members, the connection line between the front end support member and the rear end support member forms an isosceles triangle, and the support surface structure of the front end support member and the rear end support member is adapted to the corresponding position structure of the blade; the positioning member includes a blade side positioning member and a blade front end positioning member, the blade front end positioning member is located at the bottom surface of the front end of the blade, and the blade front end positioning member is symmetrically arranged on the On the bottom plate, the positioning end of the blade front end positioning piece contacts the bottom surface of the blade front end, and the blade side positioning piece is divided into a blade side front positioning piece and a blade side rear positioning piece. The positioning end positions and heights of the blade side front positioning piece and the blade side rear positioning piece match the blade side structure; the blade is positioned at seven points by means of the front end support piece, the rear end support piece, the blade side positioning piece and the blade front end positioning piece; the fixing piece includes a blade rear end fixing piece, and the blade rear end fixing piece is divided into a blade rear end axial fixing piece and a blade rear end radial fixing piece. The fixing end positions of the blade rear end axial fixing piece and the blade rear end radial fixing piece match the blade rear end axial surface and radial surface.

2. The high temperature alloy blade fixing tool according to claim 1 is characterized in that: The front end support member includes a square column, an elastic member, and a front support block. An installation groove is arranged in the square column. The elastic member and the front support block are arranged in the installation groove. The front support block is connected to the elastic member. A V-shaped groove is arranged on the top of the front support block. The size of the V-shaped groove matches the structure at both ends of the front end fixed part of the blade; the distance between the front support blocks is adapted to the width of the front end fixed part of the blade.

3. The high temperature alloy blade fixing tool according to claim 2 is characterized in that: The rear end support member includes a profiling block and a spring. The spring is arranged on the bottom plate. The profiling block is connected to the spring. The profiling block structure matches the rear end bottom surface structure of the blade. The distance between the profiling block and the front support block is adapted to the length of the blade.

4. The high temperature alloy blade fixing tool according to claim 1, characterized in that: The blade front end positioning piece, the blade side front positioning piece and the blade side rear positioning piece all include a positioning column and a conical positioning pin. The positioning column is provided with a conical positioning pin, and the conical positioning pin serves as a positioning end to contact the corresponding position of the blade; wherein the conical positioning pin of the blade front end positioning piece is located at the top of the positioning column, and the conical positioning pins of the blade side front positioning piece and the blade side rear positioning piece are located on the inner side of the positioning column.

5. The high temperature alloy blade fixing tool according to claim 4 is characterized in that: The height of the locating column of the blade side rear locating piece is higher than that of the blade side front locating piece. Similarly, the height of the tapered locating pin of the blade side rear locating piece is higher than that of the tapered locating pin of the blade side front locating piece.

6. The high temperature alloy blade fixing tool according to claim 1, characterized in that: The blade rear end axial fixing member and the blade rear end radial fixing member both include a fixing column and an auxiliary tightening bolt. The fixing column is provided with an auxiliary tightening bolt. The auxiliary tightening bolt serves as a fixed end and is arranged toward the axial surface and radial surface corresponding to the blade rear end.

7. The high temperature alloy blade fixing tool according to claim 1, characterized in that: The fixing part also includes a pressure plate mechanism, which includes a support rod and a pressure plate. The support rod is arranged on both sides of the front end of the blade. The pressure plate can be raised and lowered on the support rod. The pressure plate is located above the front end of the blade to limit the movement of the blade in the height direction.

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