CN113231845A - Fixed processing refabrication device of stationary blade subassembly centre gripping of aviation fan export direction - Google Patents
Fixed processing refabrication device of stationary blade subassembly centre gripping of aviation fan export direction Download PDFInfo
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- CN113231845A CN113231845A CN202110422106.0A CN202110422106A CN113231845A CN 113231845 A CN113231845 A CN 113231845A CN 202110422106 A CN202110422106 A CN 202110422106A CN 113231845 A CN113231845 A CN 113231845A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
Abstract
The invention relates to a clamping, fixing, processing and remanufacturing device for an outlet guide stationary blade assembly of an aircraft fan, which comprises a device base, an outer end clamping and positioning mechanism and an inner end clamping and positioning mechanism, wherein the outer end clamping and positioning mechanism is arranged on the device base; the outer end clamping and positioning mechanism comprises an outer end three-section type clamping block consisting of three outer end clamping blocks, and the position of the clamping blade close to the middle part of the blade body is wrapped by the three-section type clamping block attached to the curved surface of the blade body; a plurality of fixing screw holes are formed in the bottom of the outer end clamping and positioning mechanism, correspond to mounting and fixing holes for mounting an engine on the guide stationary blade assembly one by one, and the guide stationary blade assembly is fixed through connecting screws; the inner end clamping and positioning mechanism comprises two vertical plates arranged on two sides of the outer end clamping and positioning mechanism, an inner end three-section type clamping block consisting of three inner end clamping blocks is arranged at the top of the two vertical plates, and the inner end three-section type clamping block attached to the curved surface of the blade body wraps the part, close to the inner end of the guide stationary blade assembly, of the clamping blade. The invention has high positioning precision and better positioning stability.
Description
Technical Field
The invention belongs to the field of remanufacturing of blades of an aero-engine, and particularly relates to a clamping, fixing, processing and remanufacturing device for an outlet guide stationary blade assembly of an aero-engine fan.
Background
With the development of modern aeroengine technology, the engine bypass ratio and efficiency are continuously improved, the fan section is used as a key unit body of the engine output power, the working environment and the loading condition are increasingly complex, the fan outlet guide stationary blade plays roles in rectification, diffusion and the like, and the working state and the quality life of the fan section directly influence the safety and the reliability of the engine. The inner end platform and the outer end platform connected with the fan outlet guide stationary blade assembly and the casing are complex in stress and easy to damage to generate cracks, and the method has important significance on the maintenance economy and the operation safety of the engine aiming at the local repair and remanufacture of the assembly. The device for precisely clamping and fixing the fan outlet guide stationary blade assembly is a core foundation for remanufacturing the fan outlet guide stationary blade assembly.
Heretofore, various blade dressing and manufacturing jig devices have been proposed. The engine blade surface grinding clamp developed by margose and cinnabar realizes flexible clamping adaptive to the shape of the engine blade through springs and telescopic rods on two sides, but the elastic extrusion clamping devices cannot provide stable clamping force, large-size material reduction processing tasks are difficult to realize, and the blade is easy to deform due to pressure concentration on the blade. A flexible clamp for blade steam passage processing of designs such as song hurry and the trumpet creeper adopts the ring carrier to pass through inside a plurality of stay bolts centre gripping blade, can realize providing the support when milling longer blade. However, the fan outlet guide stationary blade assembly is composed of two blades, an airflow channel is arranged between the two blades, and a similar clamping mode is suitable for a single blade and cannot clamp the fan outlet guide stationary blade assembly.
In conclusion, the conventional blade grinding fixture device still lacks the capability of clamping the fan outlet guide stationary blade assembly, so that a stable processing environment cannot be provided for the milling and removing process of the platform at the inner end of the fan outlet guide stationary blade assembly, and the remanufacturing of the fan outlet guide stationary blade assembly lacks an important front-end process.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides the clamping, fixing, processing and remanufacturing device for the guide stationary blade assembly at the outlet of the aviation fan, which has high positioning precision and good stability.
The above object of the present invention is achieved by the following means.
The utility model provides a fixed processing refabrication device of quiet leaf subassembly centre gripping of aviation fan export direction which characterized in that: comprises a device base, an outer end clamping and positioning mechanism and an inner end clamping and positioning mechanism which are arranged on the device base; the outer end clamping and positioning mechanism comprises an outer end three-section type clamping block consisting of three outer end clamping blocks, and the outer end clamping and positioning mechanism wraps and clamps the position, close to the middle part of the blade body, of the blade through the three-section type clamping block attached to the curved surface of the blade body; a plurality of fixing screw holes are formed in the bottom of the outer end clamping and positioning mechanism, correspond to mounting and fixing holes for mounting an engine on the guide stationary blade assembly one by one, and the guide stationary blade assembly is fixed through connecting screws; the inner end clamping and positioning mechanism comprises two vertical plates arranged on two sides of the outer end clamping and positioning mechanism, an inner end three-section type clamping block consisting of three inner end clamping blocks is installed at the top of each vertical plate, and the inner end clamping and positioning mechanism wraps the part, close to the inner end of the guide stationary blade assembly, of the clamping blade through the inner end three-section type clamping block attached to the curved surface of the blade body.
Further: the outer end clamping and positioning mechanism comprises a processing positioning pin, a blade body middle fixing module and a transfer bottom plate; the processing positioning pin is cylindrical and is used for positioning a cutter during processing of the platform at the inner end of the guide stationary blade assembly; the blade body middle fixing module consists of a square-shaped supporting and positioning frame and outer end three-section type clamping blocks, the outer end three-section type clamping blocks are formed by processing peek plastics according to the shape of a curved surface of the blade body and are respectively filled in the gaps between the side surfaces and the middle of the two groups of blades, and fixing screw holes are formed in the rear sides of the three outer end clamping blocks; the upper end part of the clip-shaped supporting and positioning frame is provided with a groove for supporting the outer end clamping blocks, a screw hole is arranged above the groove, and the three outer end clamping blocks are positioned and fixed through screws; the transfer bottom plate is fixedly arranged at the upper end of the device base and is L-shaped, one side of the short edge is fixedly connected with the bottom of the square-shaped supporting and positioning frame, one side of the long edge is provided with a groove for fixing a processing positioning pin, and the lower end part of the processing positioning pin is inserted and fixed in the groove; the middle position of the transfer plate is provided with three bosses which are inclined bulges, and the shapes of the upper surfaces of the three bosses are matched with the outer side profile of the guide stationary blade assembly outer ring impeller; the plurality of fixing screw holes are formed in the middle of the transfer plate, and the setting angles of the plurality of fixing screw holes are matched with the directions of the plurality of mounting fixing holes in the guide stationary blade assembly one by one.
Further: the inner end clamping and positioning mechanism comprises a left movable vertical plate, two vertical plate moving and rotating limiting support frames, two vertical plate limiting knobs, a right fixed vertical plate, a left group of left jackscrew modules, a right group of right jackscrew modules and an inner end three-section type clamping block; the bottoms of the left movable vertical plate and the right fixed vertical plate are both connected with the upper end of the device base, and the tops of the two vertical plates are used for supporting the jackscrew module and the inner end three-section type clamping block; the front side and the rear side of the left movable vertical plate are respectively provided with a vertical plate limiting knob, each vertical plate limiting knob is composed of two sections of cylinders with large and small diameters, and the end part of each small-diameter cylinder section is provided with an external thread which is in threaded connection with threaded holes which are arranged at the front side and the rear side of the left movable vertical plate and are close to the lower end part; the two vertical plate moving and rotating limiting support frames are respectively fixed on the front side and the rear side of the device base, communicated inner and outer sliding grooves are formed in the vertical plate moving and rotating limiting support frames, each inner sliding groove is formed by connecting an upper part and a lower part, the upper part is a circular groove matched with the outer diameter of the large-diameter cylindrical section of the vertical plate limiting knob, and the lower part is a long circular sliding groove matched with the outer diameter of the small-diameter cylindrical section of the vertical plate limiting knob; the outer sliding groove is an oblong sliding groove matched with the outer diameter of the large-diameter cylindrical section of the vertical plate limiting knob; the two vertical plate limiting knobs are respectively arranged in the inner and outer slideways on the corresponding sides in a penetrating manner, the two vertical plate limiting knobs are positioned at the upper positions of the inner and outer slideways, the left movable vertical plate is lifted and horizontally placed outwards to be inverted, the two vertical plate limiting knobs are positioned at the lower positions of the inner and outer slideways, and the left movable vertical plate is positioned at a vertical connecting position with the device base and is fixedly connected with the device base through screws; the left and right two jackscrew modules have the same structure and respectively comprise a U-shaped support frame, a cover plate, a fixed torque knob screw rod and a push-pull connecting sleeve; the U-shaped support frame is fixed on the outer side of the vertical plate on the corresponding side, a central threaded hole is formed in the transverse edge of the U-shaped support frame and connected with a fixed torque knob lead screw, a dial is carved on a knob on the outer side of the fixed torque knob lead screw, the inner end of the fixed torque knob lead screw is connected with a push-pull connecting sleeve, the other end of the push-pull connecting sleeve of a left jackscrew module and the other end of the push-pull connecting sleeve of a right jackscrew module are respectively connected with a left clamping block and a right clamping block of an inner three-section type clamping block, a cover plate of the left jackscrew module and a cover plate of the right jackscrew module are respectively fixed on the top of a left movable vertical plate and the top of a right fixed vertical plate, and the left clamping block and the right clamping block are respectively limited in grooves in the tops of the vertical plates on the corresponding sides to slide; the inner end three-section type clamping block is formed by processing peek plastics according to the shape of a curved surface of a blade body, the inner end three-section type clamping block is respectively filled in the side surfaces and the middle gap of the two groups of blades, and the middle clamping block is connected with the right clamping block through two supporting arms of which two sides bypass the blades.
Further, the method comprises the following steps: the device base upper end sets up the left fixed recess that is used for fixing a position the movable riser in left side and is used for fixing a position the right fixed recess of the fixed riser in right side, and the lower tip of the movable riser in left side and the lower tip of the fixed riser in right side cartridge respectively in left fixed recess and left fixed recess, and both sides are adjusted well and are provided with preceding fixed recess and back fixed recess around the device base, and two risers remove rotatory spacing support frames and inlay the dress respectively and be fixed in preceding fixed recess and back fixed recess.
The invention has the advantages and positive effects that:
1. the invention carries out positioning and fixing through the platform mounting fixing hole at the outer end of the assembly used when the fan outlet guide stationary blade assembly is mounted on the casing, thereby ensuring the positioning precision in the whole clamping and processing process. The device can be used as a multi-platform multi-process universal clamping system, after blades are positioned, fixed and processed by the platform, the device and the static blade assembly can be transferred together, the static blade assembly is stable in the transfer process, and the time for repeatedly dismounting and mounting the blades in the whole process is saved.
2. The blade is positioned and clamped through the two groups of three-section type peek plastic clamping blocks, the shapes of the clamping blocks are attached to the curved surface of the blade body, and the contact area between the clamping blocks and the blade is enlarged. The outer end three-section type clamping block is matched with a mounting fixing hole on a platform at the outer end of the guide stationary blade assembly to fix the blades accurately, the clamping force of the inner end three-section type clamping block is adjustable, appropriate pressure which can ensure that the blades are stable and cannot be damaged can be provided, and meanwhile, the upper and lower groups of positioning clamping blocks also ensure that longer blades cannot be bent and deformed.
Drawings
FIG. 1 is a perspective view of the overall structure of an aircraft fan outlet guide vane assembly clamping, fixing, machining and remanufacturing apparatus clamping a blade provided by the invention;
FIG. 2 is a perspective view of the overall structure of the apparatus for clamping, fixing, machining and remanufacturing an outlet guide vane assembly of an aircraft fan provided by the invention without clamping the vanes;
fig. 3 is a partial schematic view of the cooperation of the movable vertical plate on the left side, the vertical plate movement and rotation limiting support frame and the vertical plate limiting knob.
Detailed Description
The structure of the present invention will be further described by way of examples with reference to the accompanying drawings. It is to be understood that this embodiment is illustrative and not restrictive.
Referring to fig. 1-3, an apparatus for clamping, fixing, processing and remanufacturing an outlet guide stationary blade assembly of an aircraft fan is characterized in that: comprises a device base, an outer end clamping and positioning mechanism and an inner end clamping and positioning mechanism which are arranged on the device base. The outer end clamping and positioning mechanism is arranged on the device base 1, the outer end clamping and positioning mechanism positions and fixes the blades through the mounting and fixing holes used by the fan outlet guide stationary blade assembly 2 during engine mounting, and the blades are wrapped and clamped through an outer end three-section type clamping block attached to the curved surface of the blade body. The inner end clamping and positioning mechanism is arranged on the device base through vertical plates on two sides, blades are wrapped by a three-section type clamping block attached to the curved surface of the blade body, and fixed-torque knob lead screws on two sides clamp the guide stationary blade assembly along the chord direction of the vertical blades, so that a stable processing plane is provided for milling and grinding of the platform at the inner end of the guide stationary blade assembly.
The outer end clamping and positioning mechanism comprises a processing positioning pin 4, a blade body middle fixing module and a transfer bottom plate 3; the processing positioning pin is cylindrical and is used for positioning a cutter when the platform at the inner end of the assembly is processed; the blade body middle fixing module is composed of a clip-shaped supporting and positioning frame 7 and an outer end three-section type clamping block (comprising an outer end left clamping block 8, an outer end middle clamping block 9 and an outer end right clamping block 10), wherein the outer end three-section type clamping block is formed by processing peek plastics according to the shape of a curved surface of the attached blade body and is respectively filled in the side surfaces and the middle gaps of the two groups of blades. The rear side of the outer end clamping block is provided with a fixing hole, the upper end part of the square-shaped supporting and positioning frame is provided with a groove for supporting the outer end clamping block, and a bolt hole above the groove fixes the outer end clamping block in a positioning way through a bolt. The transfer bottom plate is L-shaped, one side of the short edge is used for fixing the clip support positioning frame, and one side of the long edge is provided with a fixing hole for fixing the transfer bottom plate through a screw except a groove for fixing a processing positioning pin. The middle position of the transfer plate is provided with three bosses with inclined bulges, the shapes of the upper surfaces of the bosses are matched with the outer side profiles of the outer ring impellers of the guide stationary blade assembly at the fan outlet, a plurality of fixing screw holes are further processed at the middle position of the transfer plate and correspond to the mounting fixing holes for mounting the engine on the guide stationary blade assembly one by one, the setting angles of the plurality of fixing screw holes are respectively matched with the directions of the plurality of mounting fixing holes on the guide stationary blade assembly one by one, and the guide stationary blade assembly is fixed by mounting connecting screws in the corresponding holes.
The inner end clamping and positioning mechanism comprises a left movable vertical plate 5, two vertical plate moving and rotating limiting support frames 20, two vertical plate limiting knobs 21, a right fixed vertical plate 6, a left group of jackscrew modules, a right group of jackscrew modules and an inner end three-section type clamping block. The bottoms of the left movable vertical plate and the right fixed vertical plate are connected with the device base, and the tops of the left movable vertical plate and the right fixed vertical plate are used for supporting the jackscrew module and the three-section type clamping block. The left side and the right side of the left movable vertical plate are respectively provided with a limiting knob, the vertical plate limiting knobs are composed of two sections of cylinders with large and small diameters, and external threads are arranged at the end parts of the small-diameter cylinder sections and are in threaded connection with threaded holes which are arranged at the front side and the rear side of the left movable vertical plate and are close to the lower end. The two vertical plates move and rotate to limit the supporting frames and are respectively fixed on the front side and the rear side of the device base. The vertical plate moving and rotating limiting support frame is provided with an inner sliding groove 22 and an outer sliding groove 22 which are communicated, the inner sliding groove is formed by connecting an upper part and a lower part, the upper part is a circular groove matched with the outer diameter of the large-diameter cylindrical section of the vertical plate limiting knob, and the lower part is a long circular sliding groove matched with the outer diameter of the small-diameter cylindrical section of the vertical plate limiting knob. The outer sliding groove is an oblong sliding groove matched with the outer diameter of the large-diameter cylindrical section of the vertical plate limiting knob. The two vertical plate limiting knobs are respectively arranged in the inner and outer slideways on the corresponding sides in a penetrating manner, the two vertical plate limiting knobs are positioned at the upper parts of the inner and outer slideways, the left movable vertical plate is lifted and horizontally placed outwards to be inverted, the two vertical plate limiting knobs are positioned at the lower parts of the inner and outer slideways, and the left movable vertical plate is positioned at the vertical connecting position with the device base and is fixedly connected with the device base through screws. The left and right two-group jackscrew modules have the same structure and respectively comprise a U-shaped support frame 12, a cover plate 14, a fixed torque knob screw rod 11 and a push-pull connecting sleeve 13. The U-shaped support frame is fixed on the outer side of the vertical plate on the corresponding side, a central threaded hole is formed in the transverse edge of the U-shaped support frame and connected with a fixed-torque knob screw rod, a dial is carved on a knob on the outer side of the fixed-torque knob screw rod, a pointer is aligned to corresponding scales, and when the torque reaches a corresponding numerical value, a click sound is sent out from the inside of the knob to remind. The inner and the push-and-pull connecting sleeve of deciding moment of torsion knob lead screw are connected, the push-and-pull connecting sleeve other end of left jackscrew module and the push-and-pull connecting sleeve other end of right jackscrew module are connected with left side clamp splice 15 and right side clamp splice 17 of inner syllogic clamp splice respectively, the apron of left jackscrew module and the apron of right jackscrew module are fixed respectively at the top of the movable riser in left side and the top of the fixed riser in right side, slide in the recess at corresponding side riser top with left side clamp splice and right side clamp splice respectively spacing. The inner end three-section type clamping block is formed by processing peek plastics according to the shape of a curved surface of a blade body, the inner end three-section type clamping block is respectively filled in the side surfaces and the middle gaps of the two groups of blades, and the middle clamping block 16 is connected with the right side clamping block through two support arms (a front support arm 18 and a rear support arm 19 respectively) which bypass the blades at two sides.
The device base is used for bearing the fixed outer end clamping and positioning mechanism and the fixed inner end clamping and positioning mechanism, the upper end of the device base is provided with a left fixed groove used for positioning the left movable vertical plate and a right fixed groove used for positioning the right fixed vertical plate, the lower end part of the left movable vertical plate and the lower end part of the right fixed vertical plate are respectively inserted into the left fixed groove and the left fixed groove, the front side and the rear side of the device base are provided with a front fixed groove and a rear fixed groove in an aligned mode, and the two vertical plates move, rotate and limit supporting frames are respectively embedded and fixed in the front fixed groove and the rear fixed groove. In addition, a plurality of screw fixing holes for fixing the transfer bottom plate of the outer end clamping and positioning mechanism are also arranged.
The operating principle of the clamping, fixing, processing and remanufacturing device for the guide stationary blade assembly at the outlet of the aviation fan provided by the invention is as follows:
i, a positioning stage of a machining mechanism: at the moment, the workpiece is not clamped, and the movable vertical plate on the left side is in a horizontal posture. And clamping the device base on the working surface of the machine tool, performing meter printing debugging on the processing positioning pin through a dial indicator on the machine tool head, establishing a processing coordinate system and planning a preprocessing tool path.
II, the outer end clamping and positioning stage of the fan outlet guide stationary blade assembly: the mounting fixing holes of the fan outlet guide stationary blade assemblies are aligned to screw hole positions for fixing on the transfer bottom plate, the fan outlet guide stationary blade assemblies are positioned through connecting bolts and fixed, and then three outer end clamping blocks of the blade body middle fixing modules are sequentially placed in corresponding positions of the fan outlet guide stationary blade assemblies and fixed through hole positions of the clip-shaped positioning support frames.
III, clamping and positioning the inner end of the fan outlet guide stationary blade assembly: and erecting the movable vertical plate on the left side, screwing the limiting knobs on the two sides outwards until the small-diameter cylindrical sections of the limiting knobs align with the vertical plates, moving and rotating the long circular sliding grooves on the lower parts of the inner sliding grooves on the limiting support frame, and clamping the movable vertical plate on the left side downwards into the left fixing groove of the device base and fixing the movable vertical plate with screws. Rotating two side fixed torque knob lead screws of the inner end clamping and positioning mechanism to enable the inner end left clamping block and the inner end right clamping block to be aligned with corresponding positions of blades but not screwed, aligning the inner end middle clamping block at a blade gap with the corresponding positions of the blades, connecting the inner end right clamping block through the front supporting arm and the rear supporting arm, adjusting a torque scale of the fixed torque knob lead screw according to regulations, slowly rotating the two end knobs until the knobs give out clicking sounds to indicate that a preset torque value is reached, clamping the fan outlet guide stationary blade assembly by the inner end three-section type clamping block at the moment, finishing clamping the fan outlet guide stationary blade assembly, and starting to process a platform at the inner end of the assembly by a processing mechanism.
IV, moving out the fan outlet guide stationary blade assembly along with an outer end clamping and positioning mechanism: the fixed torque knob lead screws at two ends are loosened, the front support arm and the rear support arm of the inner end three-section type clamping block are disassembled, the inner end middle clamping block at the blade gap is removed, and then the fixed torque knob lead screws are rotated to the outermost side. Loosening the screw for connecting the left movable vertical plate and the device base, lifting the left movable vertical plate upwards, screwing the limiting knobs at two sides inwards until the large-diameter cylindrical sections of the limiting knobs align with the vertical plates to move and rotate the upper circular grooves of the inner sliding grooves on the limiting support, and then flatly placing the left movable vertical plate. And the fan outlet guide stationary blade assembly is connected with a fixed vertical plate of the next working procedure platform through the corresponding fixed hole, and is removed to the next working procedure platform along with the outer end clamping and positioning mechanism.
Although the embodiments of the present invention and the accompanying drawings are disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit of the invention and the scope of the appended claims, and therefore the scope of the invention is not limited to the disclosure of the embodiments and the accompanying drawings.
Claims (4)
1. The utility model provides a fixed processing refabrication device of quiet leaf subassembly centre gripping of aviation fan export direction which characterized in that: comprises a device base, an outer end clamping and positioning mechanism and an inner end clamping and positioning mechanism which are arranged on the device base; the outer end clamping and positioning mechanism comprises an outer end three-section type clamping block consisting of three outer end clamping blocks, and the outer end clamping and positioning mechanism wraps and clamps the position, close to the middle part of the blade body, of the blade through the three-section type clamping block attached to the curved surface of the blade body; a plurality of fixing screw holes are formed in the bottom of the outer end clamping and positioning mechanism, correspond to mounting and fixing holes for mounting an engine on the guide stationary blade assembly one by one, and the guide stationary blade assembly is fixed through connecting screws; the inner end clamping and positioning mechanism comprises two vertical plates arranged on two sides of the outer end clamping and positioning mechanism, an inner end three-section type clamping block consisting of three inner end clamping blocks is installed at the top of each vertical plate, and the inner end clamping and positioning mechanism wraps the part, close to the inner end of the guide stationary blade assembly, of the clamping blade through the inner end three-section type clamping block attached to the curved surface of the blade body.
2. The aero-engine fan outlet guide vane assembly clamping, fixing, machining and remanufacturing device as claimed in claim 1, wherein: the outer end clamping and positioning mechanism comprises a processing positioning pin, a blade body middle fixing module and a transfer bottom plate; the processing positioning pin is cylindrical and is used for positioning a cutter during processing of the platform at the inner end of the guide stationary blade assembly; the blade body middle fixing module consists of a square-shaped supporting and positioning frame and outer end three-section type clamping blocks, the outer end three-section type clamping blocks are formed by processing peek plastics according to the shape of a curved surface of the blade body and are respectively filled in the gaps between the side surfaces and the middle of the two groups of blades, and fixing screw holes are formed in the rear sides of the three outer end clamping blocks; the upper end part of the clip-shaped supporting and positioning frame is provided with a groove for supporting the outer end clamping blocks, a screw hole is arranged above the groove, and the three outer end clamping blocks are positioned and fixed through screws; the transfer bottom plate is fixedly arranged at the upper end of the device base and is L-shaped, one side of the short edge is fixedly connected with the bottom of the square-shaped supporting and positioning frame, one side of the long edge is provided with a groove for fixing a processing positioning pin, and the lower end part of the processing positioning pin is inserted and fixed in the groove; the middle position of the transfer plate is provided with three bosses which are inclined bulges, and the shapes of the upper surfaces of the three bosses are matched with the outer side profile of the guide stationary blade assembly outer ring impeller; the plurality of fixing screw holes are formed in the middle of the transfer plate, and the setting angles of the plurality of fixing screw holes are matched with the directions of the plurality of mounting fixing holes in the guide stationary blade assembly one by one.
3. The apparatus for clamping, fixing, processing and remanufacturing an aircraft fan outlet guide stationary blade assembly according to claim 1, wherein: the inner end clamping and positioning mechanism comprises a left movable vertical plate, two vertical plate moving and rotating limiting support frames, two vertical plate limiting knobs, a right fixed vertical plate, a left group of left jackscrew modules, a right group of right jackscrew modules and an inner end three-section type clamping block; the bottoms of the left movable vertical plate and the right fixed vertical plate are both connected with the upper end of the device base, and the tops of the two vertical plates are used for supporting the jackscrew module and the inner end three-section type clamping block; the front side and the rear side of the left movable vertical plate are respectively provided with a vertical plate limiting knob, each vertical plate limiting knob is composed of two sections of cylinders with large and small diameters, and the end part of each small-diameter cylinder section is provided with an external thread which is in threaded connection with threaded holes which are arranged at the front side and the rear side of the left movable vertical plate and are close to the lower end part; the two vertical plate moving and rotating limiting support frames are respectively fixed on the front side and the rear side of the device base, communicated inner and outer sliding grooves are formed in the vertical plate moving and rotating limiting support frames, each inner sliding groove is formed by connecting an upper part and a lower part, the upper part is a circular groove matched with the outer diameter of the large-diameter cylindrical section of the vertical plate limiting knob, and the lower part is a long circular sliding groove matched with the outer diameter of the small-diameter cylindrical section of the vertical plate limiting knob; the outer sliding groove is an oblong sliding groove matched with the outer diameter of the large-diameter cylindrical section of the vertical plate limiting knob; the two vertical plate limiting knobs are respectively arranged in the inner and outer slideways on the corresponding sides in a penetrating manner, the two vertical plate limiting knobs are positioned at the upper positions of the inner and outer slideways, the left movable vertical plate is lifted and horizontally placed outwards to be inverted, the two vertical plate limiting knobs are positioned at the lower positions of the inner and outer slideways, and the left movable vertical plate is positioned at a vertical connecting position with the device base and is fixedly connected with the device base through screws; the left and right two jackscrew modules have the same structure and respectively comprise a U-shaped support frame, a cover plate, a fixed torque knob screw rod and a push-pull connecting sleeve; the U-shaped support frame is fixed on the outer side of the vertical plate on the corresponding side, a central threaded hole is formed in the transverse edge of the U-shaped support frame and connected with a fixed torque knob lead screw, a dial is carved on a knob on the outer side of the fixed torque knob lead screw, the inner end of the fixed torque knob lead screw is connected with a push-pull connecting sleeve, the other end of the push-pull connecting sleeve of a left jackscrew module and the other end of the push-pull connecting sleeve of a right jackscrew module are respectively connected with a left clamping block and a right clamping block of an inner three-section type clamping block, a cover plate of the left jackscrew module and a cover plate of the right jackscrew module are respectively fixed on the top of a left movable vertical plate and the top of a right fixed vertical plate, and the; the inner end three-section type clamping block is formed by processing peek plastics according to the shape of a curved surface of a blade body, the inner end three-section type clamping block is respectively filled in the side surfaces and the middle gap of the two groups of blades, and the middle clamping block is connected with the right clamping block through two supporting arms of which two sides bypass the blades.
4. The device for clamping, fixing, processing and remanufacturing an outlet guide stationary blade assembly of an aircraft fan according to claim 3, wherein: the device base upper end sets up the left fixed recess that is used for fixing a position the movable riser in left side and is used for fixing a position the right fixed recess of the fixed riser in right side, and the lower tip of the movable riser in left side and the lower tip of the fixed riser in right side cartridge respectively in left fixed recess and left fixed recess, and both sides are adjusted well and are provided with preceding fixed recess and back fixed recess around the device base, and two risers remove rotatory spacing support frames and inlay the dress respectively and be fixed in preceding fixed recess and back fixed recess.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110422106.0A CN113231845A (en) | 2021-04-20 | 2021-04-20 | Fixed processing refabrication device of stationary blade subassembly centre gripping of aviation fan export direction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110422106.0A CN113231845A (en) | 2021-04-20 | 2021-04-20 | Fixed processing refabrication device of stationary blade subassembly centre gripping of aviation fan export direction |
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| Publication Number | Publication Date |
|---|---|
| CN113231845A true CN113231845A (en) | 2021-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110422106.0A Pending CN113231845A (en) | 2021-04-20 | 2021-04-20 | Fixed processing refabrication device of stationary blade subassembly centre gripping of aviation fan export direction |
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| Country | Link |
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| CN (1) | CN113231845A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113695240A (en) * | 2021-08-17 | 2021-11-26 | 池州市九华明坤铝业有限公司 | Porous part batch detection equipment based on image detection |
| CN113858510A (en) * | 2021-08-23 | 2021-12-31 | 杨媛媛 | Separated pouring remanufacturing and demolding device for stationary blade component guided by fan outlet of aircraft engine |
| CN114029671A (en) * | 2021-10-11 | 2022-02-11 | 江苏大学 | Flexible positioning device for lettering of end face of turbine stator blade and using method |
-
2021
- 2021-04-20 CN CN202110422106.0A patent/CN113231845A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113695240A (en) * | 2021-08-17 | 2021-11-26 | 池州市九华明坤铝业有限公司 | Porous part batch detection equipment based on image detection |
| CN113858510A (en) * | 2021-08-23 | 2021-12-31 | 杨媛媛 | Separated pouring remanufacturing and demolding device for stationary blade component guided by fan outlet of aircraft engine |
| CN113858510B (en) * | 2021-08-23 | 2024-01-02 | 杨媛媛 | Casting remanufacturing and demolding device for aeroengine fan outlet guide stator blade assembly |
| CN114029671A (en) * | 2021-10-11 | 2022-02-11 | 江苏大学 | Flexible positioning device for lettering of end face of turbine stator blade and using method |
| CN114029671B (en) * | 2021-10-11 | 2024-03-19 | 江苏大学 | Flexible positioning device for engraving end faces of stationary blades of steam turbine and application method |
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