CN217002385U

CN217002385U - Compressor blade based on additive manufacturing

Info

Publication number: CN217002385U
Application number: CN202220883746.1U
Authority: CN
Inventors: 李文利; 宁国山; 夏爽; 苗博闻; 赵卫娜; 田淞文
Original assignee: Shenyang Duwei Technology Development Co ltd
Current assignee: Shenyang Duwei Technology Development Co ltd
Priority date: 2022-04-18
Filing date: 2022-04-18
Publication date: 2022-07-19
Anticipated expiration: 2032-04-18

Abstract

The utility model belongs to the technical field of gas compressors, and discloses a gas compressor blade based on additive manufacturing, which comprises a first connecting structure, a second connecting structure and a blade which are integrally formed, wherein the blade is integrally formed between the first connecting structure and the second connecting structure, an airflow port is integrally formed on the leeward side of the blade and is of a horn-shaped structure, airflow channels are formed in the blade and the second connecting structure, one end of each airflow channel penetrates through the second connecting structure, the other end of each airflow channel is communicated with the airflow port, and each airflow channel is a smooth curved channel. According to the utility model, the airflow channel and the airflow port are integrally formed in an additive manufacturing mode, so that the heat dissipation capability and the turbulent flow processing capability of the blade can be enhanced on the premise of ensuring stable work.

Description

Compressor blade based on additive manufacturing

Technical Field

The utility model belongs to the technical field of gas compressors, and relates to a gas compressor blade, in particular to a gas compressor blade based on additive manufacturing.

Background

The compressor is a component which uses blades rotating at high speed to do work on air in a gas turbine engine so as to improve the air pressure, and the main performance parameters of the compressor are as follows: rotational speed, flow, air flow, pressure ratio, efficiency, etc. In order to ensure stable operation in extreme environments of high temperature and high pressure, the blades are often made of high-temperature alloy materials and cooled by air circulating inside, so that the reliability in operation is ensured.

The traditional blade is manufactured through the processes of casting, machining and the like, the manufacturing of a precise or complex structure is very difficult, the manufacturing difficulty can be reduced through an additive manufacturing mode in the prior art, but the heat dissipation capacity and the turbulent flow processing capacity of the blade cannot be further improved, and in order to solve the problems, the compressor blade based on additive manufacturing is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a compressor blade based on additive manufacturing to solve the problems in the background technology.

Technical scheme one

Compressor blade based on vibration material disk, including integrated into one piece's first connection structure, second connection structure and blade, blade integrated into one piece is between first connection structure and second connection structure, and leeward side integrated into one piece of blade has the air current mouth, and the air current mouth is trumpet-shaped structure, and airflow channel has been seted up to blade and second connection structure's inside, and second connection structure is run through to airflow channel's one end, and airflow channel's the other end and air current mouth intercommunication, airflow channel are smooth-going crooked passageway.

Preferably, the number of the airflow openings is three, and the airflow openings are evenly distributed along the leeward side of the blade.

Preferably, the diameter of the air flow channel is 1.4 mm.

Preferably, the second connecting structure comprises a second connecting disc, a second connecting rod, a nut and a screw rod, the lower end of the blade is sequentially and integrally formed from top to bottom to form the second connecting disc, the second connecting rod, the nut and the screw rod, and the airflow channel penetrates through the second connecting disc, the second connecting rod, the nut and the screw rod.

Preferably, the first connecting structure comprises a first connecting disc and a first connecting rod, and the upper end of the blade is sequentially integrally formed with the first connecting disc and the first connecting rod from bottom to top.

Technical scheme two

Preferably, the diameter of the air flow channel is 1.4 mm.

Preferably, the second connecting structure comprises an outer edge cylinder and an L-shaped connecting edge, the outer edge cylinder and the blades are integrally formed, and the L-shaped connecting edges are symmetrically arranged at two ends of the circumferential side of the outer edge cylinder, which is far away from the blades.

Preferably, the first connecting structure comprises an inner edge cylinder and a T-shaped connecting edge, the inner edge cylinder and the blade are integrally formed, and the T-shaped connecting edge is arranged in the middle of the circumferential side, far away from the blade, of the inner edge cylinder.

The utility model has the beneficial effects that: this compressor blade based on vibration material disk, through the mode of vibration material disk, integrated into one piece has airflow channel and air current mouth, under the prerequisite of guaranteeing stable work, can strengthen the heat-sinking capability and the vortex throughput of blade.

Drawings

FIG. 1 is a front view schematically showing the structure of embodiment 1 of the present invention;

FIG. 2 is a schematic sectional view of the structure of embodiment 1 of the present invention;

FIG. 3 is a front view schematically showing the structure of embodiment 2 of the present invention;

FIG. 4 is a schematic sectional view of the structure of embodiment 2 of the present invention.

In the figure: 1 blade, 2 first connecting rods, 3 first connecting discs, 4 airflow ports, 5 airflow channels, 6 second connecting discs, 7 second connecting rods, 8 screw caps, 9 screw rods, 10T-shaped connecting edges, 11 inner edge cylinders, 12 outer edge cylinders and 13L-shaped connecting edges.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Example 1

Please refer to fig. 1 and fig. 2, which illustrate a technical solution provided by the present invention: compressor blade based on vibration material disk, including integrated into one piece's first connection structure, second connection structure and blade 1, blade 1 integrated into one piece is between first connection structure and second connection structure, the coincidence of the central line of first connection structure's second connection structure, blade 1's leeward side integrated into one piece has air current mouth 4, the quantity of air current mouth 4 is three and along blade 1 leeward side evenly distributed, air current mouth 4 is used for the exhaust for trumpet-shaped structure, airflow channel 5 has been seted up to blade 1 and second connection structure's inside, airflow channel 5's one end runs through the second connection structure, airflow channel 5's the other end and airflow port 4 intercommunication, airflow channel 5 is smooth-going crooked passageway, airflow channel 5's diameter is 1.4 millimeters, because of atmospheric pressure difference airflow channel 5 can carry outside gas to airflow port 4 and discharge.

The second connecting structure comprises a second connecting disc 6, a second connecting rod 7, a nut 8 and a screw 9, the lower end of the blade 1 is sequentially and integrally formed with the second connecting disc 6, the second connecting rod 7, the nut 8 and the screw 9 from top to bottom, the air flow channel 5 penetrates through the second connecting disc 6, the second connecting rod 7, the nut 8 and the screw 9, the first connecting structure comprises a first connecting disc 3 and a first connecting rod 2, the upper end of the blade 1 is sequentially and integrally formed with the first connecting disc 3 and the first connecting rod 2 from bottom to top, the second connecting disc 6 can increase the connecting area between the second connecting rod 7 and the blade 1, the first connecting disc 3 can increase the connecting area between the first connecting rod 2 and the blade 1, and the connecting structure has the functions of improving the connecting firmness and axially limiting, the screw rod 9 is conveniently connected with a rotating mechanism of the compressor through a screw cap 8, and the first connecting rod 2 is rotatably connected with a casing of the compressor for assembly.

The concrete application is as follows:

in the embodiment, a high-temperature alloy material is adopted and is integrally formed through an additive manufacturing process, during assembly, the screw rod 9 is conveniently connected with a rotating mechanism of the air compressor through the screw cap 8, the first connecting rod 2 is rotatably connected and assembled with a casing of the air compressor, so that the blades 1 are assembled, when the air compressor works, due to air pressure difference, air enters the air flow channel 5 and is discharged from the air flow port 4 to dissipate heat of the blades 1, and discharged air can be converged with external air flow, so that the air compressor has turbulent flow treatment capacity.

Example 2

Referring to fig. 3 and 4, another technical solution provided by the present invention is: compressor blade based on vibration material disk, including integrated into one piece's first connection structure, second connection structure and blade 1, blade 1 integrated into one piece is between first connection structure and second connection structure, blade 1's leeward side integrated into one piece has air current mouth 4, the quantity of air current mouth 4 is three and along 1 leeward side evenly distributed of blade, air current mouth 4 is used for exhausting for trumpet-shaped structure, airflow channel 5 has been seted up to blade 1 and second connection structure's inside, airflow channel 5's one end runs through second connection structure, airflow channel 5's the other end and airflow port 4 intercommunication, airflow channel 5 is smooth-going crooked passageway, airflow channel 5's diameter is 1.4 millimeters, can carry outside gas to airflow port 4 because of atmospheric pressure difference airflow channel 5 and discharge.

The second connecting structure comprises an outer edge cylinder 12 and an L-shaped connecting edge 13, the outer edge cylinder 12 and the blades 1 are integrally formed, the L-shaped connecting edges 13 are symmetrically arranged at two ends of the circumferential side, away from the blades 1, of the outer edge cylinder 12, the first connecting structure comprises an inner edge cylinder 11 and a T-shaped connecting edge 10, the inner edge cylinder 11 and the blades 1 are integrally formed, the T-shaped connecting edge 10 is arranged in the middle of the circumferential side, away from the blades 1, of the inner edge cylinder 11, the outer edge cylinder 12 and the inner edge cylinder 11 are of cylindrical structures, a plurality of blades 1 are circumferentially and uniformly distributed between the outer edge cylinder 12 and the inner edge cylinder 11, and the outer edge cylinder 12 and the inner edge cylinder 11 can be installed and positioned on the compressor casing through the L-shaped connecting edges 13 and the T-shaped connecting edges 10.

The concrete application is as follows:

in the embodiment, a high-temperature alloy material is adopted and manufactured by integral forming through an additive manufacturing process, the outer edge barrel 12 and the inner edge barrel 11 can be fixedly installed on the casing of the air compressor through the L-shaped connecting edge 13 and the T-shaped connecting edge 10, so that the blades 1 are positioned, when the air compressor works, gas enters the gas flow channel 5 and is discharged from the gas flow port 4 due to gas pressure difference, the blades 1 are subjected to heat dissipation, the discharged gas can be converged with external gas flow, and the turbulent flow processing capacity is realized.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. Compressor blade based on vibration material disk, its characterized in that: first connection structure, second connection structure and blade (1) including integrated into one piece, blade (1) integrated into one piece is between first connection structure and second connection structure, and the leeward side integrated into one piece of blade (1) has air current mouth (4), and air current mouth (4) are loudspeaker column structure, and airflow channel (5) have been seted up to blade (1) and second connection structure's inside, and the second connection structure is run through to the one end of airflow channel (5), and the other end and air current mouth (4) the intercommunication of airflow channel (5), and airflow channel (5) are smooth-going crooked passageway.

2. The additive manufacturing-based compressor blade of claim 1, wherein: the number of the airflow openings (4) is three, and the airflow openings are uniformly distributed along the leeward side of the blade (1).

3. The additive manufacturing-based compressor blade of claim 2, wherein: the diameter of the air flow channel (5) is 1.4 mm.

4. The additive manufacturing-based compressor blade of claim 3, wherein: the second connection structure comprises a second connection disc (6), a second connection rod (7), a nut (8) and a screw (9), the lower end of the blade (1) is provided with the second connection disc (6), the second connection rod (7), the nut (8) and the screw (9) from top to bottom in sequence in an integrated mode, and the airflow channel (5) penetrates through the second connection disc (6), the second connection rod (7), the nut (8) and the screw (9).

5. The additive manufacturing-based compressor blade of claim 4, wherein: the first connecting structure comprises a first connecting disc (3) and a first connecting rod (2), and the upper end of the blade (1) is sequentially integrally formed with the first connecting disc (3) and the first connecting rod (2) from bottom to top.

6. The additive manufacturing-based compressor blade of claim 3, wherein: the second connection structure comprises an outer edge cylinder (12) and L-shaped connection edges (13), the outer edge cylinder (12) and the blades (1) are integrally formed, and the L-shaped connection edges (13) are symmetrically arranged at two ends of the circumference of the outer edge cylinder (12) far away from the blades (1).

7. The additive manufacturing-based compressor blade of claim 6, wherein: the first connecting structure comprises an inner edge cylinder (11) and a T-shaped connecting edge (10), the inner edge cylinder (11) and the blade (1) are integrally formed, and the T-shaped connecting edge (10) is arranged in the middle of the circumferential side, far away from the blade (1), of the inner edge cylinder (11).