CN210099781U - Metal part surface finishing instrument - Google Patents
Metal part surface finishing instrument Download PDFInfo
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- CN210099781U CN210099781U CN201920701598.5U CN201920701598U CN210099781U CN 210099781 U CN210099781 U CN 210099781U CN 201920701598 U CN201920701598 U CN 201920701598U CN 210099781 U CN210099781 U CN 210099781U
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Abstract
The utility model belongs to aircraft assembly manufacturing field relates to a metal parts surface finish appearance and application method. The device comprises a container tank for the finishing material, a flow regulator for the finishing material, a compressed air pressure regulator, a compressed air pipe joint, a compressed air switch, a straight joint, a spray head, a pressure gauge, a device for mixing and dissolving the finishing material and the compressed air and a conveying pipe for the finishing material; the container tank for the polishing material is used for storing the polishing material, and the device for mixing and dissolving the polishing material and the compressed air is used for mixing the compressed air and the polishing material according to a specified proportion; the device for mixing and dissolving the polishing material and the compressed air is provided with a compressed air pipe joint, a straight joint, a compressed air pressure regulator, a compressed air switch and a pressure gauge; the straight-through joint is used for connecting the spray head. The mechanical structure is precise, the finishing precision is high, the surface quality is good, and the problems of surface scratch and oxidation caused by transportation and surface secondary finishing of a part scratched by a mounting machine are solved thoroughly.
Description
Technical Field
The invention belongs to the field of airplane assembly and manufacturing, and relates to a metal part surface finishing instrument.
Background
In the process of assembling airplane parts, some precision parts with small structures and small batches and large parts with complex appearance structures belong to parts subjected to casting forging and heat treatment, some parts are easy to generate slight scratches, burrs, oxide layers and other oil stains and other residues on the surfaces of the parts in the processes of transportation and assembly, and the impurities and the burrs not only affect the assembly precision and the service life of the parts, but also affect the mechanical strength of the parts. It is therefore necessary to finish the surfaces of these parts before assembly in order to increase their mechanical strength and fatigue resistance. The conventional method is that the surface of the part is finished in a finishing department, and then the part is transported to an assembly workshop for assembly, but part of the part directly influences the surface quality of the part due to collision in the transportation process and scratches generated in the assembly process, so that the part influenced in the transportation process and the part with poor surface quality caused by assembly reasons are detached from the airplane and returned to the finishing department for secondary finishing treatment of the part surface, but due to the structural complexity of some special parts and the assembly sequence limitation, one part is detached, and a plurality of other parts related to the part can be additionally detached, so that the part surface finishing treatment period is increased, and the part surface scratch phenomenon can be continuously generated in the secondary assembly process of the part.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a metal part surface finishing instrument which can adapt to various narrow and special working areas and solves the problems that part of the surface is scratched due to transportation collision and part assembly, secondary finishing treatment is needed, and the like.
The technical scheme of the invention is as follows:
a surface finishing instrument for metal parts comprises a finishing material container tank 1, a finishing material flow regulator 2, a compressed air pressure regulator 3, a compressed air pipe joint 4, a compressed air switch 5, a straight joint 6, a circular spray head 7, a linear spray head 8, a pressure gauge 9, a finishing material and compressed air mixing and dissolving device 10 and a finishing material transmission pipe 11;
the container tank 1 for the finishing material is used for storing the finishing material; the container tank 1 for the polishing material is communicated with a device 10 for mixing and dissolving the polishing material and the compressed air through a polishing material transmission pipe 11, and the device 10 for mixing and dissolving the polishing material and the compressed air is used for mixing the compressed air and the polishing material according to a specified proportion; the polishing material flow regulator 2 is arranged at the outlet of the polishing material container tank 1 and is used for controlling the flow of the polishing material and further controlling the roughness of the surface of a polishing part;
the left end of the polishing material and compressed air mixing and dissolving device 10 is provided with a compressed air pipe joint 4, and the right end is provided with a straight joint 6; the compressed air pipe joint 4 is used for introducing external compressed air into the polishing material and compressed air mixing and dissolving device 10, and the straight joint 6 is used for connecting the circular spray head 7 or the straight spray head 8;
the device 10 for mixing and dissolving the polishing material and the compressed air is provided with a compressed air pressure regulator 3, a compressed air switch 5 and a pressure gauge 9; the compressed air pressure regulator 3 is arranged close to the compressed air pipe joint 4, is used for controlling the pressure of the compressed air and is matched with the polishing material flow regulator 2 for regulation; the compressed air switch 5 is used for switching on and off compressed air; the pressure gauge 9 is used for indicating the air pressure entering the device 10 for mixing and mixing the polishing material and the compressed air.
The using method comprises the following steps:
step one, selecting a finishing material (such as carborundum) according to the finishing requirement of a part, and filling the finishing material into a finishing material container tank 1;
step two, adjusting the compressed air pressure regulator 3 according to the requirement of the finish roughness value of the surface of the part, and adjusting the pressure of the compressed air flowing into the mixing and dissolving device to a specified value by observing the pressure gauge 9;
selecting a round spray head 7 or a straight spray head 8 which meets the requirements according to the finishing mode and the area of the surface of the part, connecting the round spray head 7 or the straight spray head 8 with the straight joint 6, and finishing the part;
and step four, further adjusting the flow regulator 2 of the finishing material according to the finishing degree of the surface of the actual finishing part, changing the mixing ratio of the compressed air and the finishing material, and ensuring the roughness value of the surface of the finishing part.
The invention has the beneficial effects that:
(1) the mechanical structure is accurate, the finishing precision is high, the surface quality is good, and the problems of surface scratch and oxidation caused by transportation and surface secondary finishing of a part scratched by a part of mounting machines are thoroughly solved.
(2) The structure is compact, the operation is simple, the finishing process of parts on the airplane is very easy, and the working efficiency is improved by 10 times compared with the prior art.
(3) The quality of the integral finishing of all parts is ensured to be completely consistent with that of finishing departments, and a series of problems of poor quality, long period and the like caused by the fact that the parts are scratched in the installation process and need to be dismounted again for rework are effectively solved.
(4) The method has the advantages of wide application range, high light precision and convenient operation, and can be popularized to the fields of metal part finishing such as aerospace, aviation, ship, automobile manufacturing and the like.
Drawings
FIG. 1 is a schematic structural diagram of a metal part surface finishing apparatus;
in the figure: 1, polishing material container cans; 2 a finishing material flow regulator; 3 a compressed air pressure regulator; 4, connecting a compressed air pipe; 5, a compressed air switch; 6, a straight-through joint; 7, a circular spray head; 8-shaped spray heads; 9 pressure gauge; 10 mixing and dissolving device of polishing material and compressed air; 11 a finishing material transfer tube.
Detailed Description
The following further describes specific embodiments of the present invention with reference to the drawings and technical solutions.
As shown in fig. 1, a surface finishing apparatus for metal parts comprises a finishing material container tank 1, a finishing material flow regulator 2, a compressed air pressure regulator 3, a compressed air pipe joint 4, a compressed air switch 5, a through joint 6, a circular nozzle 7, a linear nozzle 8, a pressure gauge 9, a device 10 for mixing and dissolving finishing material and compressed air, and a finishing material transmission pipe 11;
the container tank 1 for the finishing material is used for storing the finishing material; the container tank 1 for the polishing material is communicated with a device 10 for mixing and dissolving the polishing material and the compressed air through a polishing material transmission pipe 11, and the device 10 for mixing and dissolving the polishing material and the compressed air is used for mixing the compressed air and the polishing material according to a specified proportion; the polishing material flow regulator 2 is arranged at the outlet of the polishing material container tank 1 and is used for controlling the flow of the polishing material and further controlling the roughness of the surface of a polishing part;
the left end of the polishing material and compressed air mixing and dissolving device 10 is provided with a compressed air pipe joint 4, and the right end is provided with a straight joint 6; the compressed air pipe joint 4 is used for introducing external compressed air into the polishing material and compressed air mixing and dissolving device 10, and the straight joint 6 is used for connecting the circular spray head 7 or the straight spray head 8;
the device 10 for mixing and dissolving the polishing material and the compressed air is provided with a compressed air pressure regulator 3, a compressed air switch 5 and a pressure gauge 9; the compressed air pressure regulator 3 is arranged close to the compressed air pipe joint 4, is used for controlling the pressure of the compressed air and is matched with the polishing material flow regulator 2 for regulation; the compressed air switch 5 is used for switching on and off compressed air; the pressure gauge 9 is used for indicating the air pressure entering the device 10 for mixing and mixing the polishing material and the compressed air.
The using method comprises the following steps:
step one, selecting a finishing material (such as carborundum) according to the finishing requirement of a part, and filling the finishing material into a finishing material container tank 1;
step two, adjusting the compressed air pressure regulator 3 according to the requirement of the finish roughness value of the surface of the part, and adjusting the pressure of the compressed air flowing into the mixing and dissolving device to a specified value by observing the pressure gauge 9;
selecting a round spray head 7 or a straight spray head 8 which meets the requirements according to the finishing mode and the area of the surface of the part, connecting the round spray head 7 or the straight spray head 8 with the straight joint 6, and finishing the part;
and step four, further adjusting the flow regulator 2 of the finishing material according to the finishing degree of the surface of the actual finishing part, changing the mixing ratio of the compressed air and the finishing material, and ensuring the roughness value of the surface of the finishing part.
In addition to the above embodiments, the present invention may have other embodiments. All technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope of the claims of the present invention.
Claims (1)
1. The metal part surface finishing instrument is characterized by comprising a finishing material container tank (1), a finishing material flow regulator (2), a compressed air pressure regulator (3), a compressed air pipe joint (4), a compressed air switch (5), a through joint (6), a circular spray head (7), a linear spray head (8), a pressure gauge (9), a finishing material and compressed air mixing and dissolving device (10) and a finishing material transmission pipe (11);
the container tank (1) for the finishing material is used for storing the finishing material; the container tank (1) for the polishing material is communicated with a device (10) for mixing and dissolving the polishing material and the compressed air through a polishing material transmission pipe (11), and the device (10) for mixing and dissolving the polishing material and the compressed air is used for mixing the compressed air and the polishing material according to a specified proportion; the polishing material flow regulator (2) is arranged at the outlet of the polishing material container tank (1) and is used for controlling the flow of the polishing material and further controlling the roughness of the surface of a polishing part;
the left end of the polishing material and compressed air mixing and dissolving device (10) is provided with a compressed air pipe joint (4), and the right end is provided with a straight joint (6); the compressed air pipe joint (4) is used for introducing external compressed air into the mixing and dissolving device (10) of the finishing material and the compressed air, and the straight joint (6) is used for connecting the circular spray head (7) or the straight spray head (8);
the device (10) for mixing and dissolving the polishing material and the compressed air is provided with a compressed air pressure regulator (3), a compressed air switch (5) and a pressure gauge (9); the compressed air regulator (3) is arranged close to the compressed air pipe joint (4) and is used for controlling the pressure of the compressed air and is matched with the polishing material flow regulator (2) for regulation; the compressed air switch (5) is used for switching on and off compressed air; the pressure gauge (9) is used for indicating the air pressure entering the device (10) for mixing and dissolving the polishing material and the compressed air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920701598.5U CN210099781U (en) | 2019-05-16 | 2019-05-16 | Metal part surface finishing instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920701598.5U CN210099781U (en) | 2019-05-16 | 2019-05-16 | Metal part surface finishing instrument |
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| Publication Number | Publication Date |
|---|---|
| CN210099781U true CN210099781U (en) | 2020-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920701598.5U Active CN210099781U (en) | 2019-05-16 | 2019-05-16 | Metal part surface finishing instrument |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110014374A (en) * | 2019-05-16 | 2019-07-16 | 沈阳飞机工业（集团）有限公司 | Metal parts surface light adorns instrument and application method |
| CN113084711A (en) * | 2021-03-25 | 2021-07-09 | 中国航发南方工业有限公司 | Differential pressure sand blowing device and differential pressure sand blowing method for guide vane capable of being rapidly clamped |
-
2019
- 2019-05-16 CN CN201920701598.5U patent/CN210099781U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110014374A (en) * | 2019-05-16 | 2019-07-16 | 沈阳飞机工业（集团）有限公司 | Metal parts surface light adorns instrument and application method |
| CN113084711A (en) * | 2021-03-25 | 2021-07-09 | 中国航发南方工业有限公司 | Differential pressure sand blowing device and differential pressure sand blowing method for guide vane capable of being rapidly clamped |
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