CN110433979B - Blade tenon spraying protection clamp and manufacturing method thereof - Google Patents
Blade tenon spraying protection clamp and manufacturing method thereof Download PDFInfo
- Publication number
- CN110433979B CN110433979B CN201910826486.7A CN201910826486A CN110433979B CN 110433979 B CN110433979 B CN 110433979B CN 201910826486 A CN201910826486 A CN 201910826486A CN 110433979 B CN110433979 B CN 110433979B
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- Prior art keywords
- support plate
- spraying
- chuck
- blade tenon
- pressing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/16—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling the spray area
- B05B12/20—Masking elements, i.e. elements defining uncoated areas on an object to be coated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
- B05D5/08—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain an anti-friction or anti-adhesive surface
- B05D5/083—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain an anti-friction or anti-adhesive surface involving the use of fluoropolymers
Abstract
The invention discloses a blade tenon spraying protection clamp and a manufacturing method thereof, wherein the blade tenon spraying protection clamp comprises the following steps: the support plate comprises a support plate chuck and a support plate pressing handle, and the support plate chuck is fixedly connected to the support plate pressing handle; the pressing plate comprises a pressing plate chuck and a pressing plate pressing handle, and the pressing plate chuck is fixedly connected to the pressing plate pressing handle; the support plate pressing handle is hinged with the pressing plate pressing handle through a hinged shaft to form a hairpin structure; the hinge shaft is provided with a spring, and the spring is used for realizing that the blade tenon spraying protection clamp is in a clamping state when no external force is applied; spraying windows are processed on the support plate chuck and the pressing plate chuck and are used for spraying a coating on the working surface of the blade tenon; when the blade tenon spraying protection fixture is clamped on the blade tenon, the inner side walls of the support plate chuck and the pressing plate chuck are respectively attached to the blade tenon. The blade tenon spraying protection clamp can protect the non-spraying area of the blade tenon in the thermal spraying process and can improve the consistency of the coating quality of the working surface of the tenon.
Description
Technical Field
The invention belongs to the technical field of aero-engines, relates to a blade tenon tool clamp, and particularly relates to a blade tenon spraying protection clamp and a manufacturing method thereof.
Background
With the development of the aircraft engine technology, the requirement on the service life of the engine is higher and higher. The compressor blade is used as a core part of an engine, and the requirement on the corrosion resistance of the surface of the compressor blade is increasingly improved. In order to reduce the blade replacement rate and prolong the service life of the blade, a lubricating wear-resistant coating is usually sprayed on the working surface of the tenon, and the non-working surface does not need to be sprayed, namely, needs to be protected during spraying.
At present, the existing protection mode is generally to manually protect by adopting a high-temperature resistant adhesive tape. Because the tenon structure is complicated, the region is narrow, and the protection degree of difficulty to the non-spraying region is great, and current method not only can't guarantee the regional uniformity of spraying, and the sticky tape needs the later stage to be maintained, can lead to defects such as tenon fish tail, leads to the hidden danger for blade installation uses.
In summary, a new blade tenon spraying protection clamp and an operation method thereof are needed.
Disclosure of Invention
The invention aims to provide a blade tenon spraying protection clamp and a manufacturing method thereof, and aims to solve one or more technical problems. The blade tenon spraying protection clamp can protect the non-spraying area of the blade tenon in the thermal spraying process and can improve the consistency of the coating quality of the working surface of the tenon.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention relates to a blade tenon spraying protection clamp, which comprises:
the support plate comprises a support plate chuck and a support plate pressing handle, and the support plate chuck is fixedly connected to the support plate pressing handle;
the pressing plate comprises a pressing plate chuck and a pressing plate pressing handle, and the pressing plate chuck is fixedly connected to the pressing plate pressing handle;
the support plate pressing handle is hinged with the pressing plate pressing handle through a hinge shaft to form a hair clip structure; the blade tenon spraying protection clamp is in a clamping state when no external force is applied;
spraying windows are processed on the support plate chuck and the pressing plate chuck and are used for spraying coatings on the working surface of the blade tenon; when the blade tenon spraying protection fixture is clamped on the blade tenon, the inner side walls of the support plate chuck and the pressing plate chuck are respectively attached to the blade tenon.
The invention has the further improvement that the support plate chuck is also provided with a platform surface; when the blade tenon spraying protection clamp is clamped on the blade tenon, the platform surface is contacted with the bottom surface of the blade tenon; and the platform surface is provided with a positioning pin for realizing transverse positioning.
The invention has the further improvement that the spraying window is rectangular, and the periphery of the spraying window is chamfered.
A further development of the invention is that the width dimension of the spray window is 0.5mm greater than the predesigned coating width dimension.
The invention is further improved in that the chamfer angles around the spraying window range from 45 degrees to 60 degrees.
The invention is further improved in that the support plate chuck and the pressure plate chuck are both provided with coating films for preventing adhesion of the coating after spraying.
The invention is further improved in that the material of the coating is ZBF821A black matt Teflon coating, and the thickness of the coating is 100-500 μm.
The invention is further improved in that the support plate chuck and the pressure plate chuck form a structural shape fitting the dovetail tenon profile.
The invention is further improved in that the hinge shaft adopts a cylindrical pin.
The invention discloses a manufacturing method of a blade tenon spraying protection clamp, which comprises the following steps:
the support plate comprises a support plate chuck and a support plate pressing handle, and the support plate chuck is fixedly connected to the support plate pressing handle;
the pressing plate comprises a pressing plate chuck and a pressing plate pressing handle, and the pressing plate chuck is fixedly connected to the pressing plate pressing handle;
spraying windows are processed on the support plate chuck and the pressing plate chuck;
the hinge shaft is sleeved with a spring;
the support plate pressing handle is hinged with the pressing plate pressing handle through a hinge shaft to form a hair clip structure; enabling the support plate chuck and the pressure plate chuck to form a structural shape fitting the profile of the dovetail tenon; when no external force is applied, the blade tenon spraying protection clamp is in a clamping state;
brushing the mixture by using a brush, or directly immersing the support plate chuck and the pressing plate chuck into a preset coating and then taking out the coating; standing and draining the redundant coating, and forming a uniform film on the surface of the chuck; then drying for 10-20 minutes at the temperature of 75-85 ℃, and curing for more than 30 minutes at the temperature of 225-235 ℃; wherein the used coating is ZBF821A black matt Teflon coating with the thickness of 100-500 mu m; and finishing the manufacture of the blade tenon spraying protection clamp.
Compared with the prior art, the invention has the following beneficial effects:
the blade tenon spraying protection fixture can protect the non-spraying area of the blade tenon in the thermal spraying process, and can improve the consistency of the coating quality of the working surface of the tenon; need not the later stage and repairment, can avoid defects such as tenon fish tail to hidden danger when can eliminating blade installation and use. The tenon spraying device is compact in structure and convenient to use, when the tenon spraying device is installed, the chuck is pinched off like a hairpin and clamped into the neck of the tenon, the positioning and the protection of a tenon spraying area are completed by the pressing force of the spring and the positioning pin, the defect that manual finishing is needed after high-temperature-resistant adhesive tape protection can be overcome, and the consistency of the size of a coating is improved.
Further, a platform mounting positioning pin in contact with the bottom surface of the tenon is in contact with one side of the tenon for laterally positioning and preventing the jig from slipping.
Furthermore, the periphery of the spraying window is chamfered, so that the deposition of the coating can be facilitated, and the possibility of stopping the gun can be reduced.
Furthermore, the arranged coating has the characteristics of high temperature resistance and adhesion prevention, the surface of the tool is almost not adhered with the coating when the tool is used for a long time within 250 ℃, the service life is prolonged, and the use cost is reduced.
The preparation method is used for preparing the blade tenon spraying protection clamp; when the prepared protective clamp is used, the clamp head is pinched off just like a hairpin and clamped into the neck of the tenon, the positioning and the protection of the spraying area of the tenon can be completed by the pressing force of the spring and the positioning pin, the operation is convenient, and meanwhile, the defect that the coating needs to be manually trimmed after the high-temperature-resistant adhesive tape is protected can be completely avoided, so that the consistency of the size of the coating is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art are briefly introduced below; it is obvious that the drawings in the following description are some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a schematic structural diagram of a blade tenon spraying protection clamp according to an embodiment of the invention;
FIG. 2 is a schematic structural diagram of a blade tenon spraying protection clamp according to an embodiment of the invention;
in fig. 1 to 2, 1, a support plate; 2. pressing a plate; 3. a spring; 4. positioning pins; 5. and (7) a cylindrical pin.
Detailed Description
In order to make the purpose, technical effect and technical solution of the embodiments of the present invention clearer, the following clearly and completely describes the technical solution of the embodiments of the present invention with reference to the drawings in the embodiments of the present invention; it is to be understood that the described embodiments are only some of the embodiments of the present invention. Other embodiments, which can be derived by one of ordinary skill in the art from the disclosed embodiments without inventive faculty, are intended to be within the scope of the invention.
Referring to fig. 1 and fig. 2, a blade tenon spraying protection fixture according to an embodiment of the present invention includes: support plate 1, clamp plate 2, spring 3, locating pin 4 and cylindric lock 5.
The support plate 1 and the pressure plate 2 are hinged through a cylindrical pin 5, and the cylindrical pin 5 is sleeved with a spring 3. In a natural state, the spring 3 is used for keeping the spraying protection clamp in a clamping state.
Specifically, a support plate 1 and a pressure plate 2 are used as main components to be combined into a hairpin structure, the hairpin structure is connected by using a cylindrical pin 5, and a spring 3 is arranged on the cylindrical pin 5 to provide pressing force. The clamp heads of the support plate 1 and the pressure plate 2 are made into shapes fitting the profile of the blade tenon, the pressure handles naturally extend along the plane, the platform installation positioning pin 4 which is contacted with the bottom surface of the tenon on the support plate 1 is contacted with one side of the tenon for transverse positioning and preventing the clamp from slipping, spraying windows are processed on the clamp heads of the support plate 1 and the pressure plate 2, the width of each window is 0.5mm larger than the width of a coating required by design, the length of each window can exceed the transverse dimension of the working surface of the tenon, and the periphery of each window is chamfered, so that the angle is about 45-60 degrees, thereby facilitating the deposition of the coating and reducing the possibility of a.
Meanwhile, in order to prevent a large amount of sprayed coatings from adhering to a spraying window and a nearby area to influence the size of the window, Teflon coating is coated on the chuck parts of the support plate 1 and the pressing plate 2, a brush can be used for brushing or the chuck is directly immersed into the Teflon coating, the clamp is taken out and stands for a period of time to drain the redundant coating, after a uniform layer of film is formed on the surface, the clamp is placed into an air electric furnace to be dried for 10-20 minutes at the temperature of 80 +/-5 ℃, and then the clamp is cured for more than 30 minutes at the temperature of 230 +/-5 ℃.
The manufacturing method of the blade tenon spraying protection clamp provided by the embodiment of the invention comprises the following steps:
the support plate comprises a support plate chuck and a support plate pressing handle, and the support plate chuck is fixedly connected to the support plate pressing handle;
the pressing plate comprises a pressing plate chuck and a pressing plate pressing handle, and the pressing plate chuck is fixedly connected to the pressing plate pressing handle;
spraying windows are processed on the support plate chuck and the pressing plate chuck;
the hinge shaft is sleeved with a spring;
the support plate pressing handle is hinged with the pressing plate pressing handle through a hinge shaft to form a hair clip structure; enabling the support plate chuck and the pressure plate chuck to form a structural shape fitting the profile of the dovetail tenon; when no external force is applied, the blade tenon spraying protection clamp is in a clamping state;
brushing the mixture by using a brush, or directly immersing the support plate chuck and the pressing plate chuck into a preset coating and then taking out the coating; standing and draining the redundant coating, and forming a uniform film on the surface of the chuck; then drying for 10-20 minutes at the temperature of 80 +/-5 ℃, and curing for more than 30 minutes at the temperature of 230 +/-5 ℃; wherein the paint used is ZBF821A black matt Teflon paint manufactured by Nippon lubricating materials (Shanghai) Co., Ltd; and finishing the manufacture of the blade tenon spraying protection clamp.
In conclusion, the hairpin structure is formed by combining the support plate and the press plate, the support plate and the press plate are connected by the pin, the spring is arranged on the pin to provide pressing force, the chuck parts of the support plate and the press plate are manufactured into a shape fitting the profile of the dovetail-shaped tenon, the platform which is contacted with the bottom surface of the tenon of the support plate is provided with the positioning pin for transverse positioning and preventing the clamp from falling off, a window is machined on the chuck, the width of the window is consistent with the width of a coating required by design, the length of the window can be larger than the size of the working surface of the tenon, and meanwhile, the chuck is coated with Teflon coating, so that.
Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can make modifications and equivalents to the embodiments of the present invention without departing from the spirit and scope of the present invention, which is set forth in the claims of the present application.
Claims (3)
1. The utility model provides a blade tenon spraying protection anchor clamps which characterized in that includes:
the support plate (1) comprises a support plate chuck and a support plate pressing handle, and the support plate chuck is fixedly connected to the support plate pressing handle;
the pressing plate (2) comprises a pressing plate chuck and a pressing plate pressing handle, and the pressing plate chuck is fixedly connected to the pressing plate pressing handle;
the support plate pressing handle is hinged with the pressing plate pressing handle through a hinge shaft to form a hair clip structure; a spring (3) is mounted on the hinged shaft, and the spring (3) is used for realizing that the blade tenon spraying protection clamp is in a clamping state when no external force is applied;
spraying windows are processed on the support plate chuck and the pressing plate chuck and are used for spraying coatings on the working surface of the blade tenon; when the blade tenon spraying protection fixture is clamped on a blade tenon, the inner side walls of the support plate chuck and the pressure plate chuck are respectively attached to the blade tenon;
the support plate chuck is also provided with a platform surface;
when the blade tenon spraying protection clamp is clamped on the blade tenon, the platform surface is contacted with the bottom surface of the blade tenon;
the platform surface is provided with a positioning pin (4) for realizing transverse positioning;
the spraying window is rectangular, and the periphery of the spraying window is chamfered; the width dimension of the spraying window is 0.5mm larger than the width dimension of the preset coating;
the angle range of the peripheral chamfer angle of the spraying window is 45-60 degrees;
the support plate chuck and the pressure plate chuck are both provided with films for preventing the coatings from being adhered after spraying;
the coating film is made of Teflon coating, and the thickness of the coating film is 100-500 mu m;
the support plate chuck and the pressure plate chuck form a structural shape fitting the profile of the dovetail tenon.
2. The blade tenon painting protection jig according to claim 1, wherein the hinge shaft is a cylindrical pin (5).
3. The manufacturing method of the blade tenon spraying protection clamp of claim 1, which is characterized by comprising the following steps:
the support plate pressing handle is hinged with the pressing plate pressing handle through a hinge shaft to form a hair clip structure; enabling the support plate chuck and the pressure plate chuck to form a structural shape fitting the profile of the dovetail tenon; when no external force is applied, the blade tenon spraying protection clamp is in a clamping state;
brushing the mixture by using a brush, or directly immersing the support plate chuck and the pressing plate chuck into a preset coating and then taking out the coating; standing and draining the redundant coating, and forming a uniform film on the surface of the chuck; then drying the mixture for 10 to 20 minutes at the temperature of between 75 and 85 ℃, and curing the mixture for more than 30 minutes at the temperature of between 225 and 235 ℃; wherein the used coating is a Teflon coating, and the thickness of the coating is 100-500 mu m;
and finishing the manufacture of the blade tenon spraying protection clamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910826486.7A CN110433979B (en) | 2019-08-30 | 2019-08-30 | Blade tenon spraying protection clamp and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910826486.7A CN110433979B (en) | 2019-08-30 | 2019-08-30 | Blade tenon spraying protection clamp and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110433979A CN110433979A (en) | 2019-11-12 |
| CN110433979B true CN110433979B (en) | 2021-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910826486.7A Active CN110433979B (en) | 2019-08-30 | 2019-08-30 | Blade tenon spraying protection clamp and manufacturing method thereof |
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| CN (1) | CN110433979B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10107271A1 (en) * | 2001-02-16 | 2002-08-22 | Volkswagen Ag | Moveable functional component installed in vehicle shell assembly, includes anti-adhesion coating and electrically-insulating coating |
| CN106269369B (en) * | 2016-11-01 | 2019-01-22 | 北京汽车研究总院有限公司 | A kind of masking tooling |
| CN106808812A (en) * | 2016-12-09 | 2017-06-09 | 广东乐惠购网络科技有限公司 | A kind of fixture for being applied to part detail spray figure |
| CN207287849U (en) * | 2017-08-18 | 2018-05-01 | 天津启力电子有限公司 | Fixture is blocked in electronic component spraying |
| CN108787242B (en) * | 2018-07-06 | 2021-02-05 | 界首市海德龙渔具有限公司 | Paint spraying protection clamp for pendant |
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2019
- 2019-08-30 CN CN201910826486.7A patent/CN110433979B/en active Active
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| CN110433979A (en) | 2019-11-12 |
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