CN114226102A - Spraying clamping tool and process for blade disc - Google Patents
Spraying clamping tool and process for blade disc Download PDFInfo
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- CN114226102A CN114226102A CN202111307310.4A CN202111307310A CN114226102A CN 114226102 A CN114226102 A CN 114226102A CN 202111307310 A CN202111307310 A CN 202111307310A CN 114226102 A CN114226102 A CN 114226102A
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- blade disc
- mounting frame
- spraying
- impeller
- disc
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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
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0285—Stands for supporting individual articles to be sprayed, e.g. doors, vehicle body parts
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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
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
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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
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/32—Processes for applying liquids or other fluent materials using means for protecting parts of a surface not to be coated, e.g. using stencils, resists
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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
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/007—After-treatment
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Structures Of Non-Positive Displacement Pumps (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention belongs to the technical field of aero-engines, and particularly relates to a spraying clamping tool and a spraying clamping process for a blade disc. The blade wheel can be stably clamped for rotary spraying, and the spraying quality is ensured.
Description
Technical Field
The invention belongs to the technical field of aero-engines, and particularly relates to a spraying clamping tool and a spraying clamping process for a blade disc.
Background
With the development of the aero-engine, the requirement on the service life of the engine is higher and higher, and the blade disc of the air compressor is used as a core part of the engine, so that the requirement on the corrosion resistance of the surface of the blade disc is higher and higher.
Because aluminum is lower than iron in an electrochemical corrosion prevention system, aluminum can be used for preventing corrosion of iron, and inorganic aluminum spraying is mainly carried out on the bottom layer and the surface layer of the blade disc at present so as to improve the corrosion prevention performance of the blade disc. However, the inorganic aluminum coating has higher requirements on appearance, roughness and thickness, and the traditional manual spraying has the problems of low spraying efficiency, poor quality stability and the like, thereby seriously affecting the performance of the aero-engine. Therefore, what is more adopted is the automatic spraying technology, however, in the automatic spraying technology, how to clamp the blade disc, so that the blade disc can be kept stable in the rotary spraying process, and the clamping tool shields the spraying surface to the minimum, so that the problem that the anticorrosive coating with stable quality is formed on the blade disc is urgently to be solved.
Chinese patent CN104874509B discloses an automatic spraying support protection fixture for turbine guide vanes, which can clamp the vanes for coating, but such fixture is not suitable for clamping the vane disc, and the vanes are shielded too much during clamping, which affects the spraying.
Disclosure of Invention
The invention aims to overcome at least one defect in the prior art, and provides a spraying clamping tool and a spraying clamping process for a blade disc, wherein the spraying clamping tool and the spraying clamping process can clamp the blade disc and ensure the stability of the blade disc, and the clamping surface and the shielding surface are small and cannot influence the spraying of the blade disc.
In order to solve the technical problems, the invention adopts the technical scheme that:
the utility model provides a spraying centre gripping frock of bladed disk, including clamping frock and spraying frock, the clamping frock includes annular installing frame and follows a plurality of ejector pins of installing frame circumference distribution, ejector pin one end is worn to locate on the installing frame, the other end is for being used for the free end of butt in the bladed disk periphery, the axial lead and the installing frame place plane of ejector pin are parallel, the spraying frock includes that first bottom plate and one end connect a plurality of bracing pieces on first bottom plate, the other end and the installing frame of bracing piece can be dismantled and be connected, a plurality of bracing pieces are along circumference distribution in the one side of first bottom plate and the first bottom plate place plane of axial lead perpendicular to.
The blade disc can be applied to clamping the blade disc of an aero-engine, the blade disc comprises an impeller and blades which can be circumferentially distributed on the periphery of the impeller, when the blade disc is used, the blade disc is abutted to the periphery of the impeller from all directions through a plurality of ejector rods so as to tightly clamp the blade disc, the connection stability of the blade disc and a mounting frame is ensured, the blade disc is prevented from falling off from the mounting frame due to rotation in the spraying process, and the ejector rods are directly abutted to the impeller without damaging the blade disc; in addition, the ejector rods are distributed along the circumferential direction of the mounting frame, and the mounting frame is connected to the supporting rod, so that the shielding area of the ejector rods to the blades can be greatly reduced, and the spraying efficiency is improved.
As a further improved structure form, a limiting structure used for limiting the circumferential direction of the blade disc is arranged at the free end of the ejector rod close to the circle center of the mounting frame, a semi-cylindrical recess used for abutting against the blade disc is arranged on one side of the limiting structure far away from the ejector rod, and the rotation center line of the semi-cylindrical recess is parallel to the axis line of the mounting frame.
As a further improved structure form, the mounting frame is provided with a threaded hole with an axial lead along the radial direction of the mounting frame, the ejector rod is provided with an external thread, and the ejector rod penetrates through the threaded hole and is in threaded connection with the threaded hole.
As a further improved structure form, the axial lead of the ejector rod is superposed with the radial line of the mounting frame, and the ejector rod is uniformly distributed along the circumferential direction of the mounting frame.
As the further improved structure, the blade disc centering device further comprises a positioning jig for centering the blade disc, and the positioning jig can be detachably connected with the mounting frame.
As a further improved structure form, the positioning jig comprises a second base plate, a mandrel and a plurality of mounting support rods, wherein the mandrel is arranged on the second base plate and can be used for centering the blade disc, the mounting support rods are circumferentially distributed on the second base plate, the axial lead of each mounting support rod is perpendicular to the plane where the second base plate is located, the mounting support rods can be detachably connected with the mounting frame, the axial lead of the mandrel is overlapped with the axial lead of the mounting frame, and the mandrel can be inserted into the inner ring of the impeller and is tightly matched with the inner ring of the impeller during use.
Still provide a spraying process who uses above-mentioned spraying centre gripping frock, include the following step:
s1: shielding and protecting the non-spraying area and the inner ring of the impeller;
s2: inserting a plurality of ejector rods into the mounting frame and abutting against the periphery of the impeller of the blade disc, so that the blade disc is clamped by the ejector rods, and the mounting frame is connected with the support rod on the first bottom plate;
s3: spraying the blades and the flow channels of the blade disc from the upper part of the blade disc to the lower part;
s4: the mounting frame and the blade disc are integrally turned over and then mounted on the supporting rod, and the blades and the flow channels of the blade disc are sprayed again from the upper part of the blade disc to the lower part so as to form a first coating on the surfaces of the blades and the flow channels;
s5: putting the spraying clamping tool and the blade disc into a curing furnace integrally for a first set time, curing the first coating, and taking out the whole;
s6: detaching the mounting frame from the supporting rod, detaching the blade disc from the mounting frame, shielding and protecting the blades and the flow channel, and then repeating the step S2;
s7: carrying out thermal spraying on the inner ring of the impeller and the end face of the impeller from the upper part of the blade disc to the lower part, then turning the mounting frame and the blade disc integrally, then mounting the mounting frame and the blade disc on the support rod, and carrying out thermal spraying on the inner ring of the impeller and the end face of the impeller of the blade disc again from the upper part of the blade disc to the lower part so as to form a second coating on the inner ring of the impeller and the end face of the impeller;
s8: and putting the spraying clamping tool and the blade disc into a curing furnace integrally for a second set time, curing the second coating, and taking out the whole to obtain the sprayed blade disc.
Preferably, before the plurality of lift pins are inserted into the mounting frame and abut against the outer circumference of the impeller of the blade disk in step S2, the method further includes: connecting the positioning jig with the mounting frame; tightly inserting the blade disc and a core shaft on the positioning jig; after the plurality of lift pins are inserted into the mounting frame and abut against the outer periphery of the impeller of the blade disc in step S2, the method further includes the steps of: and disassembling the positioning jig from the mounting frame and the inner ring of the impeller.
Preferably, the sand blowing is performed on the blades and the runner before the step S2 is started.
Compared with the prior art, the beneficial effects are:
on one hand, the spraying clamping tool can stably clamp the blade disc, so that the blade disc can stably rotate and cannot fall off or slide from the clamping spraying clamping tool in the rotary spraying process, a uniform coating is formed on the blade disc, and the quality of the surface coating of the blade disc is improved; on the other hand, in the spraying process, the blade disc is clamped by the clamping tool, the clamping tool and the blade disc are integrally turned over and sprayed again to form a first coating on the blades and the flow channel, and then the inner ring and the end face of the impeller are thermally sprayed to ensure the wear resistance of the inner ring of the impeller and the end face coating of the impeller, so that the coating is prevented from being worn due to friction in the using process, and the service life of the impeller is ensured.
Drawings
FIG. 1 is a front exploded view of a spraying clamping tool for a bladed disc according to embodiment 1 of the present invention;
FIG. 2 is a reverse exploded view of a spraying clamping tool for a bladed disc according to embodiment 1 of the present invention;
fig. 3 is a schematic structural view of a spraying tool of the spraying clamping tool for the bladed disc according to embodiment 1 of the present invention;
fig. 4 is a schematic connection diagram of a clamping tool, a positioning tool and a vane wheel of a spraying clamping tool for a vane disc in embodiment 1 of the invention;
fig. 5 is a schematic overall structure diagram of a positioning jig of a spraying clamping tool of a bladed disc according to embodiment 1 of the present invention;
fig. 6 is a schematic connection diagram of a vane wheel and a clamping tool of a spraying clamping tool for a vane disc in embodiment 1 of the invention;
FIG. 7 is a schematic structural view of a push rod of the spraying clamping tool for the bladed disc according to embodiment 1 of the present invention;
FIG. 8 is a block flow diagram of a spray coating process of example 2 of the present invention.
Detailed Description
The drawings are for illustration purposes only and are not to be construed as limiting the invention; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the invention.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.
Example 1:
as shown in fig. 1 to 7, a spraying clamping tool for a blade disc includes a clamping tool 200 and a spraying tool 300, the clamping tool 200 includes a closed annular mounting frame 201 and three ejector rods 202 circumferentially distributed along the mounting frame 201, in use, the blade disc 100 is disposed inside the mounting frame 201, one end of each ejector rod 202 penetrates through the mounting frame 201, the other end of each ejector rod is a free end abutting against the periphery of an impeller 101, the spraying tool 300 includes a first bottom plate 301 and three support rods 302 with one ends connected to the first bottom plate 301, the three support rods 302 are circumferentially distributed on one side of the first bottom plate 301, an axial line of each support rod 302 is perpendicular to a plane where the first bottom plate 301 is located, and the other ends of the support rods 302 are detachably connected with the mounting frame 201.
Wherein, the installing frame 201 is provided with the spacing hole that runs through along its axial, and the other end of bracing piece 302 inserts in the spacing hole and pegs graft with installing frame 201.
It should be noted that the number of the push rods 202 and the number of the support rods 302 in the present embodiment are three only for reference, which cannot be understood as a limitation to the present embodiment, and the number of the push rods 202 may be increased or decreased as needed in the specific implementation process; preferably, the support rods 302 are evenly distributed circumferentially.
As shown in fig. 1 to fig. 3, in addition, the spraying tool 300 in this embodiment further includes two limiting plates disposed parallel to the first bottom plate 301, and the supporting rod 302 is inserted into the limiting plates to enhance the stability of the supporting rod 302.
As shown in fig. 4 and 7, in the embodiment, a limiting structure 2021 for circumferentially limiting the bladed disk 100 is disposed at one end of the ejector rod 202 close to the center of the mounting frame 201, a semi-cylindrical recess 2022 for abutting against the periphery of the impeller 101 is disposed at one side of the limiting structure 2021 away from the ejector rod 202, and a rotation center line of the semi-cylindrical recess 2022 is used for paralleling an axial line of the mounting frame 201. Specifically, the semi-cylindrical depression 2022 is matched with the outer periphery of the impeller 101 in shape, so that the semi-cylindrical depression 2022 is tightly attached to the outer periphery of the impeller 101, the contact area between the limiting structure 2021 and the impeller 101 can be increased, the friction force between the limiting structure 2021 and the impeller 101 is increased, the impeller 101 can be better radially limited when the ejector rod 202 radially presses along the mounting frame 201, the impeller 101 can also be circumferentially limited, and the blade disc 100 and the clamping tool 200 are prevented from rotating relatively when the clamping tool 200 drives the blade disc 100 to rotate, so that the spraying thickness of each position of the blade disc 100 is effectively controlled.
As shown in fig. 4 and 7, the mounting frame 201 in this embodiment is provided with a threaded hole 2011 whose axis is along the radial direction thereof, the ejector rod 202 is provided with an external thread 2023, the ejector rod 202 penetrates through the threaded hole 2011 and is in threaded connection with the threaded hole 2011, and one end of the ejector rod 202 away from the center of the circle of the mounting frame 201 extends out of the threaded hole 2011 and is provided with a rotating handle, so as to rotate the ejector rod 202 more laborsavingly. Therefore, the ejector rod 202 can be driven to move on the plane where the mounting frame 201 is located by rotating the ejector rod 202, so that the gap between the limiting structure 2021 and the periphery of the impeller 101 is adjusted, the impeller 101 is convenient to mount, and meanwhile, the pressure of the limiting structure 2021 on the impeller 101 can be adjusted as required to adapt to impellers 101 of various specifications.
In order to ensure that the blade disc 100 can stably rotate, the axial line of the ejector rod 202 in this embodiment coincides with the radial line of the mounting frame 201, and the ejector rod 202 is uniformly distributed along the circumferential direction of the mounting frame 201, so that the ejector rod 202 can uniformly bear force in all directions of the blade disc 100 when clamping the blade disc 100, and the blade disc 100 cannot easily shake when the clamping tool 200 drives the blade disc 100 to rotate.
The impeller 101 in this embodiment includes an upper ring 1011 and a lower ring 1012 distributed along the axial direction, the width of the upper ring 1011 is greater than the width of the lower ring 1012, the blade 102 is installed between the upper ring 1011 and the lower ring 1012, and the limit structure 2021 abuts against the outer periphery of the upper ring 1011. So as to ensure that the limiting structure 2021 and the impeller 101 have a sufficient contact area, and ensure the clamping force, so that the clamping tool 200 can stably clamp the bladed disc 100. Wherein, the upper ring 1011 is installed normally when being far away from the spraying tool 300 (see fig. 1), and the upper ring 1011 is installed reversely when being close to the spraying tool 300 (see fig. 2).
As shown in fig. 4 and 5, the present embodiment further includes a positioning fixture 400 for centering the bladed disk 100, and the positioning fixture 400 is detachably connected to the mounting frame 201 and the impeller 101. Specifically, the positioning fixture 400 includes a second base plate 401, a mandrel 402 disposed on the second base plate 401, and three mounting struts 403 uniformly distributed on the second base plate 401 in the circumferential direction, when in use, the mandrel 402 can be inserted into the inner ring of the impeller 101 and tightly fitted to center the bladed disk 100, the axial line of the mounting strut 403 is perpendicular to the plane of the second base plate 401, the mounting strut 403 can be detachably connected to the mounting frame 201, the axial line of the mandrel 402 coincides with the axial line of the mounting frame 201, when the blade disc 100 is installed, the impeller 101 is radially limited by the spindle 402 of the positioning jig 400, and the positioning jig 400 is connected with the installation frame 201 through the installation support rod 403, the three ejector rods 202 can be sequentially and rotatably abutted against the periphery of the impeller 101, and at the moment, the impeller 101 and the mounting frame 201 cannot be displaced in the abutting process, so that stable clamping of the ejector rods 202 on the blade disc 100 is ensured. It should be noted that the number of the mounting struts 403 in the present embodiment is only for reference, and is not to be understood as a limitation of the present embodiment, and the number can be increased or decreased as needed in the specific implementation.
In the embodiment, the plurality of ejector rods 202 abut against the periphery of the impeller 101 from all directions to tightly clamp the impeller 101, so that the connection stability of the blade disc 100 and the mounting frame 201 is ensured, the blade disc 100 is prevented from falling off from the mounting frame 201 due to rotation in the spraying process, and the ejector rods 202 abut against the impeller 101 directly and cannot damage the blade disc 100; in addition, the ejector rods 202 are distributed along the circumferential direction of the mounting frame 201, and the mounting frame 201 is connected to the support rod 302, so that the shielding area of the ejector rods 202 on the blades 102 can be greatly reduced, and the spraying efficiency is improved.
Example 2
Fig. 8 shows a spraying process of a bladed disk according to application example 1, comprising the following steps:
s1: shielding and protecting a non-spraying area and the inner ring of the impeller 101; specifically, the upper ring 1011, the lower ring 1012 and the inner ring of the impeller 101 are shielded and protected by using an adhesive tape;
s2: placing the blade disc 100 in the mounting frame 201 in a forward mounting manner (i.e. the upper ring 1011 is above and the lower ring 1012 is below), inserting the plurality of ejector rods 202 into the mounting frame 201 and abutting against the outer periphery of the impeller 101 of the blade disc 100, so that the plurality of ejector rods 202 clamp the blade disc 100 and connect the mounting frame 201 with the support rod 302 on the first base plate 301;
s3: the blades 102 and the flow channels (the outer peripheral surface of the impeller 101 between two adjacent blades 102) of the blade disc 100 are sprayed from the upper side of the blade disc 100 to the lower side;
s4: the mounting frame 201 and the blade disc 100 are integrally turned over, so that the lower ring 1012 is arranged above and the upper ring 1011 is arranged below, namely the blade disc 100 is reversely mounted, then the blade disc is mounted on the supporting rod 302, and the blades 102 and the flow channels of the blade disc 100 are sprayed again from the upper part to the lower part of the blade disc 100, so that a first coating is formed on the surfaces of the blades 102 and the flow channels;
s5: putting the spraying clamping tool and the blade disc 100 into a curing furnace integrally for a first set time, curing the first coating, and taking out the whole;
s6: detaching the mounting frame 201 from the supporting rod 302, detaching the blade disc 100 from the mounting frame 201, shielding and protecting the blades 102 and the flow channel, and then repeating the step S2;
s7: the inner ring of the impeller 101 and the end face of the impeller 101 are subjected to thermal spraying from the upper part of the blade disc 100 to the lower part, then the mounting frame 201 and the blade disc 100 are integrally turned over and then are mounted on the supporting rod 302, and the inner ring of the impeller 101 and the end face of the impeller 101 of the blade disc 100 are subjected to thermal spraying again from the upper part of the blade disc 100 to the lower part so as to form a second coating on the inner ring of the impeller 101 and the end face of the impeller 101;
s8: and putting the spraying clamping tool and the blade disc 100 into a curing furnace integrally for a second set time, curing the second coating, and taking out the whole to obtain the sprayed blade disc 100.
In order to facilitate the clamping of the blade disc 100 and further ensure the concentricity of the blade disc 100 and the clamping tool 200, and avoid the blade disc 100 from shaking in the process of rotating along with the clamping tool 200, in step S2, the method further comprises the following steps of inserting the plurality of ejector rods 202 into the mounting frame 201 and abutting against the periphery of the impeller 101 of the blade disc 100: connecting the positioning jig 400 with the mounting frame 201; tightly inserting the bladed disc 100 into the spindle 402 on the positioning jig 400; after the plurality of lift pins 202 are inserted into the mounting frame 201 and abut against the outer circumference of the impeller 101 of the blade disk 100 in step S2, the method further includes the steps of: the positioning jig 400 is detached from the mounting frame 201 and the inner ring of the impeller 101.
In this embodiment, before the step S2 is started, the blade 102 and the runner are subjected to sand blasting, so that the surfaces of the blade 102 and the runner are rougher, and the adhesion area of the coating on the surfaces of the blade 102 and the runner is increased, thereby improving the stability of the coating.
In this embodiment, the clamping tool 200 is used to clamp the blade disc 100, the clamping tool 200 and the blade disc 100 are integrally turned over and sprayed again to form a first coating on the blades 102 and the flow channels, and then the inner ring and the end face of the impeller 101 are thermally sprayed to ensure the wear resistance of the inner ring of the impeller 101 and the end face coating of the impeller 101, so that the coating is prevented from being worn due to friction in the use process, and the service life of the impeller 101 is ensured.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides a spraying centre gripping frock of bladed disk, its characterized in that, includes clamping frock (200) and spraying frock (300), clamping frock (200) include annular installing frame (201) and follow a plurality of ejector pins (202) that installing frame (201) circumference distributes, on installing frame (201) was worn to locate by ejector pin (202) one end, the other end was for being used for the free end of butt in the bladed disk periphery, and the axial lead of ejector pin (202) is parallel with installing frame (201) place plane, spraying frock (300) include that first bottom plate (301) and one end connect a plurality of bracing pieces (302) on first bottom plate (301), and the other end and installing frame (201) of bracing piece (302) can be dismantled and be connected, and a plurality of bracing pieces (302) circumference distribute in the one side of first bottom plate (301) and axial lead perpendicular to first bottom plate (301) place plane.
2. The spraying clamping tool for the blade disc as claimed in claim 1, wherein a limiting structure (2021) for circumferentially limiting the blade disc is arranged at a free end of the ejector rod (202) close to the center of the circle of the mounting frame (201).
3. The spraying and clamping tool for the blade disc is characterized in that a semi-cylindrical depression (2022) used for abutting against the blade disc is arranged on one side, away from the ejector rod (202), of the limiting structure (2021), and the rotation center line of the semi-cylindrical depression (2022) is parallel to the axis line of the mounting frame (201).
4. The spraying clamping tool for the blade disc is characterized in that the mounting frame (201) is provided with a threaded hole (2011) with a shaft axis along the radial direction of the mounting frame, the ejector rod (202) is provided with an external thread (2023), and the ejector rod (202) penetrates through the threaded hole (2011) and is in threaded connection with the threaded hole.
5. The spraying clamping tool for the vane disc as claimed in claim 4, wherein the axial line of the ejector rod (202) coincides with the radial line of the mounting frame (201), and the ejector rods (202) are uniformly distributed along the circumferential direction of the mounting frame (201).
6. The spraying clamping tool for the bladed disc of any one of claims 1 to 5, further comprising a positioning fixture (400) for centering the bladed disc, wherein the positioning fixture (400) is detachably connected to the mounting frame (201).
7. The spraying clamping tool for the blade disc as claimed in claim 6, wherein the positioning jig (400) comprises a second base plate (401), a mandrel (402) which is arranged on the second base plate (401) and can center the blade disc, and a plurality of mounting support rods (403) which are circumferentially distributed on the second base plate (401), the axial line of each mounting support rod (403) is perpendicular to the plane of the corresponding second base plate (401), each mounting support rod (403) can be detachably connected with the corresponding mounting frame (201), and the axial line of the mandrel (402) coincides with the axial line of the corresponding mounting frame (201).
8. A spraying process of a spraying clamping tool for a bladed disc according to any one of claims 1 to 7, characterized by comprising the following steps:
s1: shielding and protecting a non-spraying area and an inner ring of the impeller (101);
s2: inserting a plurality of ejector rods (202) into the mounting frame (201) and enabling the ejector rods (202) to abut against the periphery of an impeller (101) of the blade disc (100), so that the blade disc (100) is clamped by the ejector rods (202), and the mounting frame (201) is connected with a support rod (302) on the first bottom plate (301);
s3: spraying the blades (102) and the flow channels of the blade disc (100) from the upper part of the blade disc (100) to the lower part;
s4: the mounting frame (201) and the blade disc (100) are integrally turned over and then mounted on the supporting rod (302), and the blades (102) and the flow channels of the blade disc (100) are sprayed again from the upper part of the blade disc (100) to the lower part, so that first coatings are formed on the surfaces of the blades (102) and the flow channels;
s5: integrally placing the spraying clamping tool and the blade disc (100) into a curing furnace for a first set time, curing the first coating, and then integrally taking out;
s6: detaching the mounting frame (201) from the supporting rod (302), detaching the blade disc (100) from the mounting frame (201), shielding and protecting the blades (102) and the flow channel, and then repeating the step S2;
s7: carrying out thermal spraying on the inner ring of the impeller (101) and the end face of the impeller (101) from the upper part of the blade disc (100) to the lower part, then integrally turning over the mounting frame (201) and the blade disc (100), then mounting the mounting frame on the support rod (302), and carrying out thermal spraying on the inner ring of the impeller (101) of the blade disc (100) and the end face of the impeller (101) again from the upper part of the blade disc (100) to form a second coating on the inner ring of the impeller (101) and the end face of the impeller (101);
s8: and putting the spraying clamping tool and the blade disc (100) into a curing furnace integrally for a second set time, curing the second coating, and taking out the whole to obtain the sprayed blade disc (100).
9. The spraying process according to claim 8, wherein before inserting the plurality of ejector pins (202) into the mounting frame (201) and abutting against the outer periphery of the impeller (101) of the blade disc (100) in step S2, the method further comprises the steps of: connecting the positioning jig (400) with the mounting frame (201); tightly inserting the blade disc (100) and a mandrel (402) on the positioning jig (400); the method further comprises the following steps after inserting a plurality of ejector rods (202) into the mounting frame (201) and abutting against the outer periphery of the impeller (101) of the blade disc (100) in step S2: and detaching the positioning jig (400) from the mounting frame (201) and the inner ring of the impeller (101).
10. The spray coating process according to claim 8 or 9, wherein the blades (102) and the flow channels are sand blasted before step S2 is started.
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| CN202111307310.4A CN114226102B (en) | 2021-11-05 | 2021-11-05 | Spraying clamping tool and technology for blade disc |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115445825A (en) * | 2022-09-30 | 2022-12-09 | 安徽理工大学 | Turbine blade surface spraying upset subassembly |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100173092A1 (en) * | 2007-06-05 | 2010-07-08 | Mtu Aero Engines, Gmbh | Adhesive masking tapes and method for coating and/or repairing components |
| CN204711616U (en) * | 2015-05-20 | 2015-10-21 | 智腾机械设备（上海）有限公司 | A kind of half-opened impeller processing tool |
| CN205763971U (en) * | 2016-05-27 | 2016-12-07 | 马鞍山市粤美金属制品科技实业有限公司 | A kind of multi-station tooling processing cylinder plane hole |
| CN207930560U (en) * | 2017-12-27 | 2018-10-02 | 中国航发南方工业有限公司 | Clamp for assembling between fan disk grade |
| CN110496754A (en) * | 2019-08-29 | 2019-11-26 | 东莞市德懋机电有限公司 | The double-colored processing method and its processing jig of workpiece |
| CN213377361U (en) * | 2020-06-04 | 2021-06-08 | 宜昌至晟科技有限公司 | Spraying clamping tool for wind wheel blades |
| CN113102145A (en) * | 2021-04-19 | 2021-07-13 | 周月珍 | Surface treatment method for turbine engine impeller production |
| CN214211021U (en) * | 2020-12-01 | 2021-09-17 | 武汉协和齿环有限公司 | Molybdenum frock and system are spouted to synchronizer ring |
| CN113502446A (en) * | 2021-05-27 | 2021-10-15 | 中国航发南方工业有限公司 | Quick-turnover and quick-change type spraying protection clamp and spraying method |
-
2021
- 2021-11-05 CN CN202111307310.4A patent/CN114226102B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100173092A1 (en) * | 2007-06-05 | 2010-07-08 | Mtu Aero Engines, Gmbh | Adhesive masking tapes and method for coating and/or repairing components |
| CN204711616U (en) * | 2015-05-20 | 2015-10-21 | 智腾机械设备（上海）有限公司 | A kind of half-opened impeller processing tool |
| CN205763971U (en) * | 2016-05-27 | 2016-12-07 | 马鞍山市粤美金属制品科技实业有限公司 | A kind of multi-station tooling processing cylinder plane hole |
| CN207930560U (en) * | 2017-12-27 | 2018-10-02 | 中国航发南方工业有限公司 | Clamp for assembling between fan disk grade |
| CN110496754A (en) * | 2019-08-29 | 2019-11-26 | 东莞市德懋机电有限公司 | The double-colored processing method and its processing jig of workpiece |
| CN213377361U (en) * | 2020-06-04 | 2021-06-08 | 宜昌至晟科技有限公司 | Spraying clamping tool for wind wheel blades |
| CN214211021U (en) * | 2020-12-01 | 2021-09-17 | 武汉协和齿环有限公司 | Molybdenum frock and system are spouted to synchronizer ring |
| CN113102145A (en) * | 2021-04-19 | 2021-07-13 | 周月珍 | Surface treatment method for turbine engine impeller production |
| CN113502446A (en) * | 2021-05-27 | 2021-10-15 | 中国航发南方工业有限公司 | Quick-turnover and quick-change type spraying protection clamp and spraying method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115445825A (en) * | 2022-09-30 | 2022-12-09 | 安徽理工大学 | Turbine blade surface spraying upset subassembly |
| CN115445825B (en) * | 2022-09-30 | 2023-05-26 | 安徽理工大学 | Turbine blade surface spraying turnover assembly |
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| CN114226102B (en) | 2023-05-30 |
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