Protection tool for aviation blade spraying

Abstract

The utility model provides a protection tool for aviation blade spraying, which can cover a rotor blade, is convenient to spray, is convenient to disassemble and assemble, and is high in working efficiency. The spraying protection tool comprises a tray, spraying protection tools are arranged on the tray in parallel, each spraying protection tool comprises a blade body protection part and a blade tip protection part which are detachably connected, and the blade body part and the blade tip part of a blade are arranged in the blade body protection part and the blade tip protection part for shielding. And a side notch matched with a blade spraying area is formed in the side part of the blade tip protection part.

Description

Technical Field

[0001] The utility model relates to the technical field of tooling fixtures, and particularly relates to a protection tool for spraying of aviation blades. Background Art

[0002] As one of the key components of an aero-engine, the dry film lubrication part of the blade tenon part of the rotor blade is crucial for the current situation of increasing assembly accuracy. It ensures the correctness and stability during assembly, and protects the blade from being scratched during assembly, thereby ensuring the service life of the blade under harsh working conditions. During the processing, it is necessary to spray the dry film lubrication part of the blade separately. However, currently, during the local spraying process of the blade, the manual covering method is generally used to protect the spraying area, which not only has low efficiency, but also is extremely easy to cause pollution, or the spraying area does not meet the standard, the consistency is poor, and frequent rework and other problems; and another alternative to manual work is to use the method of rubber casting model to cover the blade. However, due to the material problem of the rubber material itself, the consistency is still difficult to guarantee, and the disassembly is extremely inconvenient, thus resulting in low processing efficiency. Content of the Utility Model

[0003] Aiming at the problem that when the existing rotor blades are subjected to local spraying processing operations, manual covering or rubber casting model covering is required, resulting in poor consistency, rework is needed, and the processing efficiency is not high. The utility model provides a protection tool for spraying of aviation blades, which can cover the rotor blades, is convenient for spraying, is convenient for disassembly and assembly, and has high working efficiency.

[0004] Its technical solution is as follows: A protection tool for spraying of aviation blades, characterized in that: it includes a tray, and spraying protection tools are arranged side by side on the tray. The spraying protection tool includes a blade body protection part and a blade tip protection part which are detachably connected. The blade body part and the blade tip part of the blade are placed inside the blade body protection part and the blade tip protection part for shielding. A side notch matching the spraying area of the blade is arranged on the side part of the blade tip protection part.

[0005] It is further characterized in that: the blade tip protection part includes a blade tip placement part at the upper end and a lower connection part at the lower end. An imitation area matching the blade tip part of the blade is arranged inside the blade tip placement part, and the blade is installed and positioned through the imitation area. The side notch is arranged at a corresponding position on the side wall of the blade tip placement part;

[0006] The blade body protection part includes a rectangular outer shell with an open upper end. A connection groove is arranged at the opening of the rectangular outer shell. The connection groove matches the lower connection part of the blade tip protection part. The rectangular outer shell is composed of two split cavity parts on the left and right and is connected by bolts;

[0007] A strip-shaped placement groove is provided along the length direction of the tray. The width of the groove opening of the placement groove matches the width of the rectangular housing, and avoidance holes are provided around the placement groove.

[0008] After adopting the above structure, when the blade is placed in the spraying protection tool, its blade body part and blade tip part are respectively placed in its blade body protection part and blade tip protection part for shielding. Spraying is carried out through the side groove opening provided on the side of the blade tip protection part, so spraying is convenient, the consistency of spraying is good, and other areas of the blade will not be polluted. At the same time, since the blade tip protection part and the blade body protection part are of a split design and are detachably connected, it ensures convenient disassembly and assembly and improves the working efficiency of the spraying process. Description of the Drawings

[0009] Figure 1 It is a schematic diagram of the overall structure of the present utility model;

[0010] Figure 2 It is an exploded view of the overall structure of the present utility model. Detailed Embodiments

[0011] As Figure 1 、 2 shown, a protection tool for spraying aviation blades includes a tray 1. The tray 1 is strip-shaped, and a strip-shaped placement groove 11 is provided along the length direction of the tray 1. Avoidance holes are provided around the placement groove 11. Spraying protection tools are placed side by side on the tray 1. The blades 4 are placed one by one inside the spraying protection tools, and the tray 1 together with the spraying protection tools thereon is placed on a rotary spraying table, then spraying can be carried out sequentially to complete batch spraying processing with high processing efficiency.

[0012] Specifically, the spraying protection tool includes a blade body protection part 3 and a blade tip protection part 2 that are detachably connected. The blade tip protection part 2 includes a blade tip placement part 21 at the upper end and a lower connection part 22 at the lower end. An imitation area matching the blade tip part of the blade 4 is provided inside the blade tip placement part 21, and a side groove opening 211 matching the spraying area of the blade 4 is provided on the side wall of the blade tip placement part 21. Through the imitation area of the blade tip placement part 21, not only the non-spraying area of the blade 4 is fully shielded and protected, but also the blade can be installed and positioned. Then, it is detachably connected to the blade body protection part 3 through its lower connection part 22.

[0013] Specifically, the blade body protection part 3 includes a rectangular outer shell with an open upper end. The blade body part of the blade 4 is placed inside the rectangular outer shell for shielding. A connecting groove 31 is provided at the mouth of the rectangular outer shell. The connecting groove 31 is matched with the lower connecting part of the blade tip protection part 2. Through the setting of the connecting groove 31, it can be inserted and connected with the lower end of the blade tip protection part 2. The rectangular outer shell of the blade body protection part 3 is composed of two split cavity parts on the left and right and is connected by bolts 5. Through the split design, it is convenient for disassembly and assembly. That is, after the blade 4 is sprayed, the bolts 5 are unscrewed, and the two cavity parts are separated, then the blade body part of the blade 4 can be taken out.

[0014] The working principle of the present utility model is as follows:

[0015] Place the blade 4 to be processed inside the spraying protection tool. When placing, first insert the tenon part of the blade 4 into the blade tip protection part 2. There is a certain gap between the profiling area of the blade tip protection part 2 and the tenon part of the blade 4 for convenient disassembly and assembly. Then insert the blade tip protection part 2 onto the blade body protection part 3. The blade body part of the blade 4 extends into the blade body protection part 3 for shielding. Finally, place the spraying protection tool on the tray 1 in sequence, clamp multiple blades in turn until the tray 1 is full, and then perform the spraying process. After processing, wait until it cools down, and then take out the blades in sequence to complete the processing.

[0016] The above is only the preferred specific implementation mode of the present utility model, but the protection scope of the present utility model is not limited thereto. Any change or replacement that can be easily thought of by those familiar with the technology within the technical scope disclosed by the present utility model should be covered by the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims.

Claims

1. A protective tool for spraying aviation blades, characterized in that: It includes a tray on which spray protection tools are arranged in parallel, and the spray protection tools include a detachably connected blade body protection part and a blade tip protection part, the blade body part and the blade tip part of the blade are placed inside the blade body protection part and the blade tip protection part for shielding, and the side of the blade tip protection part is provided with a side notch matching the spraying area of ​​the blade.

2. The protective tool for spraying aircraft blades according to claim 1, characterized in that: The blade tip protection part includes a blade tip placement part at the upper end and a lower connecting part at the lower end. The interior of the blade tip placement part is provided with a contoured area matching the blade tip part of the blade. The blade is installed and positioned through the contoured area. The side notches are provided at corresponding positions on the side walls of the blade tip placement part.

3. The protective tool for spraying aviation blades according to claim 1, characterized in that: The blade protection part includes a rectangular shell with an open upper end, the mouth of the rectangular shell is provided with a connecting groove, the connecting groove matches the lower connecting part of the blade tip protection part, and the rectangular shell is composed of two left and right split cavity parts and connected by bolts.

4. The protective tool for spraying aircraft blades according to claim 3, characterized in that: A strip-shaped placement groove is arranged along the length direction of the tray, the width of the slot of the placement groove matches the width of the rectangular shell, and avoidance holes are arranged around the placement groove.

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