CN115502901A - Two-station batch sand blowing device for low-vortex working blades of aero-engine and using method - Google Patents
Two-station batch sand blowing device for low-vortex working blades of aero-engine and using method Download PDFInfo
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- CN115502901A CN115502901A CN202211158838.4A CN202211158838A CN115502901A CN 115502901 A CN115502901 A CN 115502901A CN 202211158838 A CN202211158838 A CN 202211158838A CN 115502901 A CN115502901 A CN 115502901A
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- low
- sand
- fixedly connected
- sand blowing
- working
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C3/00—Abrasive blasting machines or devices; Plants
- B24C3/18—Abrasive blasting machines or devices; Plants essentially provided with means for moving workpieces into different working positions
- B24C3/20—Abrasive blasting machines or devices; Plants essentially provided with means for moving workpieces into different working positions the work being supported by turntables
- B24C3/22—Apparatus using nozzles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
Abstract
The invention belongs to the technical field of aero-engines, in particular to a two-station batch sand blowing device for a low-vortex working blade of an aero-engine and a using method thereof, aiming at the problems that the existing nozzle can only blow sand on one side of a worm wheel blade once, and after the one side is processed, the worm wheel blade needs to be disassembled and reversely installed in a clamp so as to achieve the purpose of blowing sand on the other side, the working time is consumed, the working efficiency is reduced, when the sand blowing treatment is carried out, the nozzle can only carry out angle adjustment, the position cannot be changed, the sand blowing treatment cannot be uniform enough, and the sand blowing treatment quality is reduced, the following scheme is provided, the device comprises a working shell, and a sealing door is movably hinged at the side end of the working shell through a hinge shaft; two sand blowing shower nozzles, the fixed plate is fixedly connected with in the work casing, has seted up the third recess in the fixed plate, and sliding connection has the lifting thread piece in the third recess, and the effectual work efficiency that has promoted has guaranteed the quality that the sand blowing was handled.
Description
Technical Field
The invention relates to the technical field of aero-engines, in particular to a two-station batch sand blowing device for low-vortex working blades of an aero-engine and a using method of the device.
Background
The sand blasting is a process of cleaning and coarsening the surface of a matrix by using the impact action of high-speed sand flow, is called sand blowing, and adopts compressed air as power to form a high-speed spray beam to spray materials (copper ore sand, quartz sand, carborundum, iron sand and Hainan sand) to the surface of a workpiece to be treated at high speed so as to change the appearance or the shape of the outer surface of the workpiece.
The turbine blades in aircraft engines also need to be subjected to a sand blasting treatment, and prior art sand blasting devices have the previous disadvantages:
1. after the turbine blade is fixed by the fixture, one side of the fixed turbine blade is subjected to sand blasting treatment through the spray head, the spray head can only perform sand blasting treatment on one side of the turbine blade once, and after one side is treated, the turbine blade needs to be disassembled and reversely installed in the fixture to achieve the purpose of performing sand blasting treatment on the other side, so that the working time is consumed, and the working efficiency is reduced;
2. when carrying out the blowing sand and handling, the shower nozzle can only carry out the regulation of angle, and the position can't be changed, can lead to the blowing sand to handle not enough evenly, reduces the quality that the blowing sand was handled.
Aiming at the problems, the invention provides a two-station batch sand blowing device for a low-vortex working blade of an aircraft engine and a using method thereof.
Disclosure of Invention
The invention provides a two-station batch sand blowing device for a low-vortex working blade of an aero-engine and a using method thereof, and solves the problems that in the prior art, a nozzle can only blow sand on one side of a worm wheel blade once, after the one side is processed, the worm wheel blade needs to be disassembled and is reversely installed in a clamp so as to achieve the purpose of blowing sand on the other side, the working time is consumed, the working efficiency is reduced, when sand blowing is performed, the nozzle can only adjust the angle, the position cannot be changed, the sand blowing treatment cannot be uniform, and the sand blowing treatment quality is reduced.
The invention provides the following technical scheme:
a two-station batch sand blowing device for low-vortex working blades of an aero-engine comprises a working shell, wherein a sealing door is movably hinged to the side end of the working shell through a hinge shaft; the sand blowing nozzles are respectively arranged on two sides of the two connecting plates and used for blowing sand to the low-vortex working blade; the reciprocating mechanism is arranged between the fixed plate and the lifting thread block and is used for driving the two connecting plates to do linear motion of up-and-down reciprocating; the two groups of swing mechanisms are respectively arranged in the two connecting plates and are used for driving the two sand blowing nozzles to perform reciprocating sand blowing angle adjustment; the two groups of gear driving mechanisms are arranged between the two connecting plates and the fixing plate and are respectively used for driving the two groups of swing mechanisms to move the two placing tables, and the two placing tables are arranged in the working shell and are used for placing the low-vortex working blades; the two groups of clamping mechanisms are respectively arranged in the two mounting tables and used for fixing the low-vortex working blades placed on the two mounting tables; and the rotating mechanism is arranged in the working shell and is used for driving the low-vortex working blades arranged on the two arrangement platforms to rotate.
In a possible design, the reciprocating mechanism comprises a reciprocating screw rod rotatably connected in the fixed plate, two first limiting rods are fixedly connected in the third groove, the lifting thread block is slidably connected to the circumferential surfaces of the two first limiting rods, and the lifting thread block is in threaded connection with the circumferential surface of the reciprocating screw rod.
In a possible design, every group swing mechanism all includes the fourth recess of seting up in the connecting plate, fourth recess internal rotation is connected with the third pivot, the side fixedly connected with second bull stick of third pivot, the side fixedly connected with slider of second bull stick, fourth recess internal rotation is connected with the second pivot, the first bull stick of circumference fixed surface of second pivot is connected with, the spout has been seted up in the first bull stick, slider sliding connection is in the spout, the outside activity of second pivot runs through the side of connecting plate and outwards extends, the side fixedly connected with L type mount of second pivot, blow sand shower nozzle fixed connection is in L type mount.
In a possible design, each set of gear driving mechanism includes a driving rack fixedly connected to the side end of the fixed plate, the third rotating shaft extends outwards and movably penetrates through the side end of the connecting plate, a driven gear is fixedly connected to the side end of the third rotating shaft, and the driven gear is meshed with the driving rack.
In a possible design, slewing mechanism is including offering the second recess in the working casing, second recess internal rotation is connected with two first pivots, two the equal fixedly connected with worm wheel in circumference surface of first pivot, second recess internal rotation is connected with the worm, the worm meshes with two worm wheels respectively mutually, the side fixedly connected with driving motor of working casing, driving motor is connected with the worm through the shaft coupling, two the equal activity of first pivot is run through to the working casing in, two place the top of platform difference fixed connection in two first pivots.
In a possible design, a first groove is formed in the working shell, the reciprocating screw rod penetrates into the first groove in a downward movable mode, a driven bevel gear is fixedly connected to the bottom end of the reciprocating screw rod, the worm penetrates into the first groove in an outward movable mode, a driving bevel gear is fixedly connected to the side end of the worm, and the driving bevel gear is meshed with the driven bevel gear.
In a possible design, every group fixture is all including seting up the fifth recess in the platform of settling, two second gag lever post of fixedly connected with in the fifth recess, two the circumference surface sliding connection of second gag lever post has two grip blocks, the rotation of fifth recess is connected with two-way lead screw, two the grip block is threaded connection in the positive and negative screw thread section on two-way lead screw circumference surface respectively, the outside activity of two-way lead screw runs through the side of the platform of settling and outwards extends, the side fixedly connected with of two-way lead screw changes the handle, two the equal fixedly connected with rubber slipmat of tip that the grip block is close to.
In a possible design, an observation window is formed in the side end of the working shell, and perspective glass is fixedly connected in the observation window.
In a possible design, the bottom end of the working shell is provided with a water drainage groove, and the inside of the working shell is provided with a water outlet which is respectively communicated with the water drainage groove and the outside.
A use method of a two-station batch sand blowing device for a low-vortex working blade of an aero-engine comprises the following steps:
s1, clamping and fixing: the low-vortex working blade is placed on the upper side of the mounting table, the two-way screw rod is driven to rotate through the rotating handle, the two-way screw rod drives the two clamping plates to move towards the direction close to each other in a rotating mode, and the two clamping plates clamp and fix the low-vortex working blade;
s2, rotation adjustment: after the low-vortex working blades are fixed, a mixed medium of a sand blasting grinding material and liquid is sprayed to the surfaces of the low-vortex working blades by taking compressed air as power through a sand blowing nozzle, a driving motor is started to drive a worm to rotate, the worm rotates to drive two worm gears to rotate, the two worm gears rotate to drive two first rotating shafts to rotate, the two first rotating shafts rotate to drive two mounting tables to rotate, the two mounting tables rotate to drive the two low-vortex working blades clamped and fixed on the upper side of the mounting tables to rotate ceaselessly, and therefore the two low-vortex working blades are adjusted to face the sand blowing nozzle ceaselessly;
s3, reciprocating sand blowing: the worm rotates to drive the driving conical gear to rotate, the driving conical gear rotates to drive the driven conical gear to rotate, the driven conical gear rotates to drive the reciprocating screw rod to rotate, the reciprocating screw rod rotates to drive the lifting thread block to perform linear motion of up-down reciprocation, the lifting thread block drives the two connecting plates with two fixed ends to perform linear motion of up-down reciprocation, and the two sand blowing nozzles arranged on two sides of the two connecting plates perform linear motion of up-down reciprocation along with the connecting plates, so that the sand blowing nozzles can be aligned to the low-vortex working blades to perform sand blowing of up-down reciprocation;
s4, swinging and blowing sand: when the connecting plate is carrying out reciprocal linear motion from top to bottom, drive driven gear and carry out reciprocal linear motion from top to bottom, driven gear is because with drive rack toothing, can carry out the rotation at the in-process that carries out reciprocal linear motion, driven gear rotates and drives the third pivot and rotate, the third pivot rotates and drives the second bull stick and rotate, the second bull stick rotates and drives the slider and carries out circular motion, slide in the spout when the slider carries out circular motion, thereby drive first bull stick and carry out relative reciprocating swing along the central point of second pivot, thereby drive the second pivot and carry out reciprocating swing, the second pivot drives L type mount, L type mount drives the sand-blowing shower nozzle of fixed connection in L type mount and carries out reciprocal swing sand-blowing motion, thereby make the sand-blowing to low vortex work blade more even, realize that the single operation sand-blowing to low vortex work blade covers comprehensively.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
According to the sand blowing device, a worm rotates to drive a driving conical gear to rotate, the driving conical gear rotates to drive a driven conical gear to rotate, the driven conical gear rotates to drive a reciprocating screw rod to rotate, the reciprocating screw rod rotates to drive a lifting thread block to do linear motion of up-and-down reciprocating, the lifting thread block drives two connecting plates with two fixed ends to do linear motion of up-and-down reciprocating, and two sand blowing nozzles arranged on two sides of the two connecting plates follow the connecting plates to do linear motion of up-and-down reciprocating so as to be aligned with a low-vortex working blade to do sand blowing of up-and-down reciprocating;
according to the invention, when the connecting plate performs vertical reciprocating linear motion, the connecting plate drives the driven gear to perform vertical reciprocating linear motion, the driven gear is meshed with the driving rack and can perform autorotation in the reciprocating linear motion process, the driven gear rotates to drive the third rotating shaft to rotate, the third rotating shaft rotates to drive the second rotating rod to rotate, the second rotating rod rotates to drive the sliding block to perform circular motion, and the sliding block slides in the sliding chute during circular motion, so that the first rotating rod is driven to perform relative reciprocating swing along the central point of the second rotating shaft, the second rotating shaft is driven to perform reciprocating swing, the second rotating shaft drives the L-shaped fixing frame, and the L-shaped fixing frame drives the sand blowing nozzle fixedly connected in the L-shaped fixing frame to perform reciprocating swing sand blowing motion, so that sand blowing on the low-vortex working blades is more uniform, and the single-operation sand blowing of the low-vortex working blades is comprehensively covered;
according to the sand blasting machine, the rotating mechanism is used for driving the two mounting tables and the low-vortex working blades arranged on the two mounting tables to rotate, all surfaces of the low-vortex working blades are enabled to face the sand blasting nozzles, so that the low-vortex working blades can be integrally covered by sand blasting through single sand blasting, the reciprocating mechanism is used for driving the two sand blasting nozzles to do vertical linear reciprocating motion, sand blasting of the sand blasting nozzles can be comprehensive, the swing mechanism can be used for driving the two sand blasting nozzles to perform swing sand blasting, the sand blasting effect of the two sand blasting nozzles on the low-vortex working blades is more uniform, meanwhile, the swing mechanism is driven in the vertical reciprocating motion process of the connecting plate through the gear driving mechanism, an additional driving source is not needed, the use is convenient, the working efficiency is effectively improved, and the quality of sand blasting treatment is guaranteed.
Drawings
FIG. 1 is a front perspective view of a two-station batch sand blowing device for a low-vortex working blade of an aircraft engine and a using method thereof, provided by the embodiment of the invention;
FIG. 2 is a sectional view of a two-station batch sand blowing device with low-vortex working blades for an aircraft engine and a using method thereof, provided by the embodiment of the invention;
FIG. 3 is a first partial sectional view of a two-station batch sand blowing device for a low-vortex working blade of an aircraft engine and a use method thereof according to an embodiment of the invention;
FIG. 4 is a second partial sectional view of a two-station batch sand blowing device for a low-vortex working blade of an aircraft engine and a use method thereof according to an embodiment of the invention;
FIG. 5 is a third partial sectional view of a two-station batch sand blowing device for a low-vortex working blade of an aircraft engine and a use method thereof according to an embodiment of the invention;
FIG. 6 is a first partial perspective view of a two-station batch sand blowing device with low-vortex working blades for an aircraft engine and a using method thereof according to an embodiment of the invention;
FIG. 7 is a fourth partial sectional view of a two-station batch sand blowing device for a low-vortex working blade of an aircraft engine and a use method thereof according to an embodiment of the invention;
FIG. 8 is a second partial perspective view of a two-station batch sand blowing device for low-vortex working blades of an aircraft engine and a method for using the same according to an embodiment of the invention;
fig. 9 is a third partial perspective view of a two-station batch sand blowing device for a low-vortex working blade of an aircraft engine and a use method of the two-station batch sand blowing device.
Reference numerals are as follows:
1. a working housing; 2. a sealing door; 3. perspective glass; 4. a fixing plate; 5. a water discharge tank; 6. a water outlet; 7. a placing table; 8. a first groove; 9. a drive motor; 10. a second groove; 11. a worm; 12. a first rotating shaft; 13. a worm gear; 14. a drive bevel gear; 15. a driven bevel gear; 16. a reciprocating screw rod; 17. a third groove; 18. a first limit rod; 19. lifting the thread block; 21. a connecting plate; 22. a drive rack; 23. a driven gear; 24. a fourth groove; 25. a second rotating shaft; 26. a first rotating lever; 27. a chute; 28. a slider; 29. a second rotating lever; 30. a third rotating shaft; 31. an L-shaped fixing frame; 32. a sand blowing nozzle; 33. a second limiting rod; 34. a bidirectional screw rod; 35. a clamping plate; 36. a rubber non-slip mat; 37. turning a handle; 38. and a fifth groove.
Detailed Description
The embodiments of the present invention will be described below with reference to the drawings.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "mounted" are to be interpreted broadly, e.g., "connected" may or may not be detachably connected; may be directly connected or indirectly connected through an intermediate. Further, "communication" may be direct communication or indirect communication through an intermediary. The term "fixed" means that they are connected to each other and the relative positional relationship after the connection is not changed. Directional phrases used in embodiments of the present invention, such as "inner", "outer", "top", "bottom", and the like, refer only to the orientation of the attached drawings and, therefore, are used in order to better and more clearly describe and understand the embodiments of the present invention, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be taken as limiting the embodiments of the present invention.
In the embodiments of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
In the embodiment of the present invention, "and/or" is only one kind of association relationship describing an association object, and indicates that three relationships may exist, for example, a and/or B may indicate: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter associated objects are in an "or" relationship.
Reference throughout this specification to "one embodiment" or "some embodiments," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the present invention. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," or the like, in various places throughout this specification are not necessarily all referring to the same embodiment, but rather "one or more but not all embodiments" unless specifically stated otherwise. The terms "comprising," "including," "having," and variations thereof mean "including, but not limited to," unless expressly specified otherwise.
Example 1
Referring to fig. 1-9, the two-station batch sand blowing device for the low-vortex working blade of the aero-engine comprises a working shell 1, wherein a sealing door 2 is movably hinged to the side end of the working shell 1 through a hinge shaft; the sand blowing device comprises two sand blowing nozzles 32, wherein a fixing plate 4 is fixedly connected in a working shell 1, a third groove 17 is formed in the fixing plate 4, a lifting threaded block 19 is connected in the third groove 17 in a sliding manner, two ends of the lifting threaded block 19 are both fixedly connected with connecting plates 21, and the two sand blowing nozzles 32 are respectively arranged on two sides of the two connecting plates 21 and used for blowing sand to the low-vortex working blade; the reciprocating mechanism is arranged between the fixed plate 4 and the lifting thread block 19 and is used for driving the two connecting plates 21 to do linear motion of up-and-down reciprocating; the two groups of swing mechanisms are respectively arranged in the two connecting plates 21 and used for driving the two sand blowing nozzles 32 to perform reciprocating sand blowing angle adjustment; the two groups of gear driving mechanisms are arranged between the two connecting plates 21 and the fixing plate 4 and are respectively used for driving the two groups of swing mechanisms to move the two mounting tables 7, and the two mounting tables 7 are arranged in the working shell 1 and are used for placing low-vortex working blades; the two groups of clamping mechanisms are respectively arranged in the two mounting tables 7 and used for fixing the low-vortex working blades placed on the two mounting tables 7; and the rotating mechanism is arranged in the working shell 1 and is used for driving the low-vortex working blades arranged on the two placing tables 7 to rotate.
Above-mentioned technical scheme can reach and drive two platform 7 and two low vortex rotor blade that place on the platform 7 of putting through utilizing slewing mechanism and rotate, make all faces of low vortex rotor blade all can move towards the sand-blasting shower nozzle 32, thereby the single sand-blasting can wholly carry out the sand-blasting with low vortex rotor blade and cover, it can make sand-blasting shower nozzle 32's sandblast comprehensive to utilize reciprocating mechanism to drive two sand-blasting shower nozzles 32 and carry out straight reciprocating motion from top to bottom, utilize swing mechanism can drive two sand-blasting shower nozzles 32 and swing the sandblast, thereby make two sand-blasting shower nozzles 32 more even to low vortex rotor blade's sandblast effect, swing mechanism drives at connecting plate 21 up-and-down reciprocating motion's in-process through gear drive mechanism simultaneously, need not extra driving source, and convenient to use, the effectual work efficiency that has promoted, the technical effect of sand-blasting treatment quality has been guaranteed.
Furthermore, the specific type of the sand-blowing nozzle 32 is selected by a person skilled in the art, and the sand-blowing nozzle 32 belongs to the prior art, which is not described in detail herein.
Referring to fig. 4, the reciprocating mechanism includes a reciprocating screw 16 rotatably coupled in the fixed plate 4, two first stoppers 18 fixedly coupled in the third groove 17, a lifting screw block 19 slidably coupled to circumferential surfaces of the two first stoppers 18, and the lifting screw block 19 threadedly coupled to the circumferential surface of the reciprocating screw 16.
According to the technical scheme, the reciprocating screw rod 16 rotates to drive the lifting thread block 19 to perform vertical reciprocating linear motion, the lifting thread block 19 drives the two connecting plates 21 with two fixed ends to perform vertical reciprocating linear motion, and the two sand blowing nozzles 32 arranged on two sides of the two connecting plates 21 perform vertical reciprocating linear motion along with the connecting plates 21, so that the sand blowing nozzles can be aligned to the low-vortex working blades to perform vertical reciprocating sand blowing.
Referring to fig. 5 and 6, each group of swing mechanisms includes a fourth groove 24 disposed in the connecting plate 21, a third rotating shaft 30 is rotatably connected in the fourth groove 24, a second rotating rod 29 is fixedly connected to a side end of the third rotating shaft 30, a sliding block 28 is fixedly connected to a side end of the second rotating rod 29, a second rotating shaft 25 is rotatably connected in the fourth groove 24, a first rotating rod 26 is fixedly connected to a circumferential surface of the second rotating shaft 25, a sliding groove 27 is formed in the first rotating rod 26, the sliding block 28 is slidably connected in the sliding groove 27, the second rotating shaft 25 outwardly movably penetrates through a side end of the connecting plate 21 and outwardly extends, an L-shaped fixing frame 31 is fixedly connected to a side end of the second rotating shaft 25, and the sand blowing nozzle 32 is fixedly connected in the L-shaped fixing frame 31.
According to the technical scheme, the third rotating shaft 30 can rotate to drive the second rotating rod 29 to rotate, the second rotating rod 29 rotates to drive the sliding block 28 to perform circular motion, the sliding block 28 slides in the sliding groove 27 when performing circular motion, so that the first rotating rod 26 is driven to perform relative reciprocating swing along the central point of the second rotating shaft 25, the second rotating shaft 25 is driven to perform reciprocating swing, the second rotating shaft 25 drives the L-shaped fixing frame 31, the L-shaped fixing frame 31 drives the sand blowing nozzle 32 fixedly connected in the L-shaped fixing frame 31 to perform reciprocating swing sand blowing motion, sand blowing on the low-vortex working blades is more uniform, and the technical effect of comprehensively covering the single-operation sand blowing of the low-vortex working blades is achieved.
Referring to fig. 5 and 6, each set of gear driving mechanism includes a driving rack 22 fixedly connected to a side end of the fixed plate 4, a third rotating shaft 30 movably penetrates a side end of the connecting plate 21 outward and extends outward, a driven gear 23 is fixedly connected to a side end of the third rotating shaft 30, and the driven gear 23 is engaged with the driving rack 22.
Above-mentioned technical scheme can reach connecting plate 21 when carrying out reciprocal linear motion from top to bottom, drives driven gear 23 and carries out reciprocal linear motion from top to bottom, and driven gear 23 can carry out the rotation at the in-process that carries out reciprocal linear motion owing to mesh with drive rack 22, and driven gear 23 rotates and drives third pivot 30 and carry out pivoted technical effect.
Referring to fig. 2, 7 and 8, the rotating mechanism includes a second groove 10 opened in the working housing 1, two first rotating shafts 12 are rotatably connected in the second groove 10, worm wheels 13 are fixedly connected to circumferential surfaces of the two first rotating shafts 12, a worm 11 is rotatably connected in the second groove 10, the worm 11 is respectively engaged with the two worm wheels 13, a driving motor 9 is fixedly connected to a side end of the working housing 1, the driving motor 9 is connected with the worm 11 through a coupler, the two first rotating shafts 12 are both upwards movably penetrated into the working housing 1, and the two placing tables 7 are respectively fixedly connected to top ends of the two first rotating shafts 12.
Above-mentioned technical scheme can reach and drive worm 11 through start-up driving motor 9 and rotate, worm 11 rotates and drives two worm wheel 13 and rotate, two worm wheel 13 rotate and drive two first pivots 12 and rotate, two first pivots 12 rotate and drive two platforms 7 of settling and rotate, two platforms 7 rotate and drive and are fixed two low vortex working vane that place 7 upside by the centre gripping and carry out the rotation that does not stop to the technological effect of two low vortex working vane of regulation that do not stop faces the face of blowing sand shower nozzle 32.
Referring to fig. 9, each set of clamping mechanism includes a fifth groove 38 opened in the platform 7, two second limiting rods 33 are fixedly connected in the fifth groove 38, two clamping plates 35 are slidably connected to the circumferential surfaces of the two second limiting rods 33, a bidirectional screw 34 is rotatably connected in the fifth groove 38, the two clamping plates 35 are respectively and threadedly connected to the positive and negative thread sections of the circumferential surface of the bidirectional screw 34, the bidirectional screw 34 is outwardly movably inserted through the side end of the platform 7 and outwardly extended, a rotating handle 37 is fixedly connected to the side end of the bidirectional screw 34, and rubber anti-skid pads 36 are fixedly connected to the end portions of the two clamping plates 35 close to each other.
According to the technical scheme, the low-vortex working blade is placed on the upper side of the mounting table 7, the rotating handle 37 is rotated to drive the two-way screw rod 34 to rotate, the two-way screw rod 34 rotates to drive the two clamping plates 35 to move towards the direction close to each other, and the two clamping plates 35 clamp and fix the low-vortex working blade.
Example 2
Referring to fig. 1-9, the two-station batch sand blowing device for the low-vortex working blade of the aero-engine comprises a working shell 1, wherein a sealing door 2 is movably hinged to the side end of the working shell 1 through a hinge shaft; the sand blowing device comprises two sand blowing nozzles 32, wherein a fixed plate 4 is fixedly connected in a working shell 1, a third groove 17 is formed in the fixed plate 4, a lifting threaded block 19 is connected in the third groove 17 in a sliding manner, two ends of the lifting threaded block 19 are fixedly connected with connecting plates 21, and the two sand blowing nozzles 32 are respectively arranged on two sides of the two connecting plates 21 and used for blowing sand to the low-vortex working blade; the reciprocating mechanism is arranged between the fixed plate 4 and the lifting thread block 19 and is used for driving the two connecting plates 21 to do linear motion of up-and-down reciprocating; the two groups of swing mechanisms are respectively arranged in the two connecting plates 21 and used for driving the two sand blowing nozzles 32 to perform reciprocating sand blowing angle adjustment; two sets of gear driving mechanisms are arranged between the two connecting plates 21 and the fixed plate 4 and are respectively used for driving the two sets of swing mechanisms to move the two placing tables 7, and the two placing tables 7 are arranged in the working shell 1 and are used for placing low-vortex working blades; the two groups of clamping mechanisms are respectively arranged in the two mounting tables 7 and used for fixing the low-vortex working blades placed on the two mounting tables 7; and the rotating mechanism is arranged in the working shell 1 and is used for driving the low-vortex working blades arranged on the two placing tables 7 to rotate.
Above-mentioned technical scheme can reach and drive two platform 7 and two platform 7 of placing through utilizing slewing mechanism and put the low vortex rotor blade who places and rotate, make all faces of low vortex rotor blade all can be towards sand blasting shower nozzle 32, thereby the single sand blasting can be with the whole sand blasting cover that blows of low vortex rotor blade, it is comprehensive to utilize reciprocating mechanism to drive two sand blasting shower nozzles 32 and carry out straight reciprocating motion from top to bottom and can make sand blasting of sand blasting shower nozzle 32, utilize swing mechanism can drive two sand blasting shower nozzles 32 and swing the sandblast, thereby make two sand blasting shower nozzles 32 more even to low vortex rotor blade's sandblast effect, swing mechanism drives the in-process of reciprocating motion about connecting plate 21 through gear drive mechanism simultaneously, need not extra driving source, and convenient to use, the effectual work efficiency that has promoted, the technical effect of sand blasting treatment quality has been guaranteed.
Referring to fig. 4, the reciprocating mechanism includes a reciprocating screw 16 rotatably coupled in the fixed plate 4, two first stoppers 18 fixedly coupled in the third groove 17, a lifting screw block 19 slidably coupled to circumferential surfaces of the two first stoppers 18, and the lifting screw block 19 threadedly coupled to the circumferential surface of the reciprocating screw 16.
According to the technical scheme, the reciprocating screw rod 16 rotates to drive the lifting thread block 19 to perform vertical reciprocating linear motion, the lifting thread block 19 drives the two connecting plates 21 with two fixed ends to perform vertical reciprocating linear motion, and the two sand blowing nozzles 32 arranged on two sides of the two connecting plates 21 perform vertical reciprocating linear motion along with the connecting plates 21, so that the sand blowing nozzles can be aligned to the low-vortex working blades to perform vertical reciprocating sand blowing.
Referring to fig. 5 and 6, each group of swing mechanisms includes a fourth groove 24 disposed in the connecting plate 21, a third rotating shaft 30 is rotatably connected in the fourth groove 24, a second rotating rod 29 is fixedly connected to a side end of the third rotating shaft 30, a sliding block 28 is fixedly connected to a side end of the second rotating rod 29, a second rotating shaft 25 is rotatably connected in the fourth groove 24, a first rotating rod 26 is fixedly connected to a circumferential surface of the second rotating shaft 25, a sliding groove 27 is formed in the first rotating rod 26, the sliding block 28 is slidably connected in the sliding groove 27, the second rotating shaft 25 outwardly movably penetrates through a side end of the connecting plate 21 and outwardly extends, an L-shaped fixing frame 31 is fixedly connected to a side end of the second rotating shaft 25, and the sand blowing nozzle 32 is fixedly connected in the L-shaped fixing frame 31.
Above-mentioned technical scheme can reach that third pivot 30 rotates and drives second bull stick 29 and rotate, second bull stick 29 rotates and drives slider 28 and carry out circular motion, slider 28 slides in spout 27 when carrying out circular motion, thereby drive first bull stick 26 and carry out relative reciprocating swing along the central point of second pivot 25, thereby drive second pivot 25 and carry out reciprocating swing, second pivot 25 drives L type mount 31, L type mount 31 drives the sand-blowing shower nozzle 32 of fixed connection in L type mount 31 and carries out reciprocal swing sand-blowing motion, thereby make the sand-blowing to the low vortex working vane more even, realize the technical effect to the comprehensive cover of single operation sand-blowing of low vortex working vane.
Referring to fig. 5 and 6, each set of gear driving mechanism includes a driving rack 22 fixedly connected to a side end of the fixed plate 4, a third rotating shaft 30 movably penetrates through a side end of the connecting plate 21 and extends outwards, a driven gear 23 is fixedly connected to a side end of the third rotating shaft 30, and the driven gear 23 is engaged with the driving rack 22.
Above-mentioned technical scheme can reach connecting plate 21 when carrying out reciprocal linear motion from top to bottom, drives driven gear 23 and carries out reciprocal linear motion from top to bottom, and driven gear 23 can carry out the rotation at the in-process that carries out reciprocal linear motion owing to mesh with drive rack 22, and driven gear 23 rotates and drives third pivot 30 and carry out pivoted technical effect.
Referring to fig. 2, 7 and 8, the rotating mechanism includes a second groove 10 opened in the working housing 1, two first rotating shafts 12 are rotatably connected in the second groove 10, worm gears 13 are fixedly connected to circumferential surfaces of the two first rotating shafts 12, a worm 11 is rotatably connected in the second groove 10, the worm 11 is respectively engaged with the two worm gears 13, a driving motor 9 is fixedly connected to a side end of the working housing 1, the driving motor 9 is connected with the worm 11 through a coupler, the two first rotating shafts 12 are both upwards movably penetrated into the working housing 1, and the two placing tables 7 are respectively fixedly connected to top ends of the two first rotating shafts 12.
Above-mentioned technical scheme can reach and drive worm 11 through start-up driving motor 9 and rotate, worm 11 rotates and drives two worm wheel 13 and rotate, two worm wheel 13 rotate and drive two first pivots 12 and rotate, two first pivots 12 rotate and drive two platforms 7 of settling and rotate, two platforms 7 rotate and drive and are fixed two low vortex working vane that place 7 upside by the centre gripping and carry out the rotation that does not stop to the technological effect of two low vortex working vane of regulation that do not stop faces the face of blowing sand shower nozzle 32.
Referring to fig. 2 and 8, a first groove 8 is formed in the working housing 1, a reciprocating screw rod 16 penetrates into the first groove 8 in a downward movable manner, a driven bevel gear 15 is fixedly connected to the bottom end of the reciprocating screw rod 16, a worm 11 penetrates into the first groove 8 in an outward movable manner, a driving bevel gear 14 is fixedly connected to the side end of the worm 11, and the driving bevel gear 14 is meshed with the driven bevel gear 15.
According to the technical scheme, the worm 11 rotates to drive the driving bevel gear 14 to rotate, the driving bevel gear 14 rotates to drive the driven bevel gear 15 to rotate, the driven bevel gear 15 rotates to drive the reciprocating screw rod 16 to rotate, the driving motor 9 is utilized to drive the reciprocating screw rod 16 to rotate, additional driving sources can be avoided being added, and the technical effect of saving energy is achieved.
Referring to fig. 9, each set of clamping mechanism includes a fifth groove 38 opened in the platform 7, two second limiting rods 33 are fixedly connected in the fifth groove 38, two clamping plates 35 are slidably connected to the circumferential surfaces of the two second limiting rods 33, a bidirectional screw 34 is rotatably connected in the fifth groove 38, the two clamping plates 35 are respectively and threadedly connected to the positive and negative thread sections of the circumferential surface of the bidirectional screw 34, the bidirectional screw 34 is outwardly movably inserted through the side end of the platform 7 and outwardly extended, a rotating handle 37 is fixedly connected to the side end of the bidirectional screw 34, and rubber anti-skid pads 36 are fixedly connected to the end portions of the two clamping plates 35 close to each other.
According to the technical scheme, the low-vortex working blade is placed on the upper side of the mounting table 7, the rotating handle 37 is rotated to drive the two-way screw rod 34 to rotate, the two-way screw rod 34 rotates to drive the two clamping plates 35 to move towards the direction close to each other, and the two clamping plates 35 clamp and fix the low-vortex working blade.
Referring to fig. 1, an observation window is formed at a side end of a working housing 1, and a perspective glass 3 is fixedly connected in the observation window.
Above-mentioned technical scheme can reach the technical effect that the condition to in the work casing 1 of convenience carries out real-time observation.
Referring to fig. 2, a drainage channel 5 is formed at the bottom end of the working housing 1, a drainage port 6 is formed in the working housing 1, and the drainage port 6 is respectively communicated with the drainage channel 5 and the outside.
The technical effect that the liquid sprayed out of the sand blowing nozzle 32 can flow out of the vehicle along the drainage groove 5 and the drainage port 6 can be achieved by the technical scheme.
A use method of a two-station batch sand blowing device for low-vortex working blades of an aero-engine comprises the following steps:
s1, clamping and fixing: the low-vortex working blade is placed on the upper side of the mounting table 7, the two-way screw rod 34 is driven to rotate through the rotating handle 37, the two-way screw rod 34 rotates to drive the two clamping plates 35 to move towards the approaching direction, and the two clamping plates 35 clamp and fix the low-vortex working blade;
s2, rotation adjustment: after the low-vortex working blade is fixed, a mixed medium of a sand blasting grinding material and liquid is sprayed to the surface of the low-vortex working blade by taking compressed air as power through a sand blowing nozzle 32, a driving motor 9 is started to drive a worm 11 to rotate, the worm 11 rotates to drive two worm gears 13 to rotate, the two worm gears 13 rotate to drive two first rotating shafts 12 to rotate, the two first rotating shafts 12 rotate to drive two mounting tables 7 to rotate, the two mounting tables 7 rotate to drive the two low-vortex working blades clamped and fixed on the upper sides of the mounting tables 7 to continuously rotate, and therefore the surface of the two low-vortex working blades facing the sand blowing nozzle 32 is continuously adjusted;
s3, reciprocating sand blowing: the worm 11 rotates to drive the driving conical gear 14 to rotate, the driving conical gear 14 rotates to drive the driven conical gear 15 to rotate, the driven conical gear 15 rotates to drive the reciprocating screw rod 16 to rotate, the reciprocating screw rod 16 rotates to drive the lifting screw block 19 to perform linear motion of up-down reciprocating, the lifting screw block 19 drives the two connecting plates 21 fixed at two ends to perform linear motion of up-down reciprocating, and the two sand blowing nozzles 32 arranged at two sides of the two connecting plates 21 perform linear motion of up-down reciprocating along with the connecting plates 21, so that the sand blowing nozzles can be aligned to the low-vortex working blades to perform sand blowing of up-down reciprocating;
s4, swinging and blowing sand: when the connecting plate 21 makes up-and-down reciprocating linear motion, the driven gear 23 is driven to make up-and-down reciprocating linear motion, the driven gear 23 can make self rotation in the reciprocating linear motion process due to being meshed with the driving rack 22, the driven gear 23 rotates to drive the third rotating shaft 30 to rotate, the third rotating shaft 30 rotates to drive the second rotating rod 29 to rotate, the second rotating rod 29 rotates to drive the sliding block 28 to make circular motion, the sliding block 28 slides in the sliding groove 27 when making circular motion, so that the first rotating rod 26 is driven to make relative reciprocating swing along the central point of the second rotating shaft 25, the second rotating shaft 25 is driven to make reciprocating swing, the second rotating shaft 25 drives the L-shaped fixing frame 31, the L-shaped fixing frame 31 drives the sand blowing nozzle 32 fixedly connected in the L-shaped fixing frame 31 to make reciprocating swing sand blowing motion, thereby making sand blowing of the low-vortex working blades more uniform, and realizing single-operation sand blowing comprehensive coverage of the low-vortex working blades.
However, as is well known to those skilled in the art, the working principle and wiring method of the driving motor 9 are common and are conventional means or common knowledge, and are not described herein, and those skilled in the art can make any choice according to their needs or convenience.
While the invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention; the embodiments of the invention and the features of the embodiments can be combined with each other without conflict. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. Two station sand-blasting devices in batches of aeroengine low vortex working vane, its characterized in that includes:
the side end of the working shell (1) is movably hinged with a sealing door (2) through a hinge shaft;
the sand blowing device comprises two sand blowing nozzles (32), a fixing plate (4) is fixedly connected in the working shell (1), a third groove (17) is formed in the fixing plate (4), a lifting thread block (19) is connected in the third groove (17) in a sliding mode, two ends of the lifting thread block (19) are fixedly connected with connecting plates (21), and the two sand blowing nozzles (32) are respectively arranged on two sides of the two connecting plates (21) and used for blowing sand to the low-vortex working blade;
the reciprocating mechanism is arranged between the fixed plate (4) and the lifting thread block (19) and is used for driving the two connecting plates (21) to do vertical reciprocating linear motion;
the two groups of swing mechanisms are respectively arranged in the two connecting plates (21) and used for driving the two sand blowing nozzles (32) to carry out reciprocating sand blowing angle adjustment;
the two groups of gear driving mechanisms are arranged between the two connecting plates (21) and the fixed plate (4) and are respectively used for driving the two groups of swing mechanisms to move;
the two placing tables (7) are arranged in the working shell (1) and used for placing the low-vortex working blades;
the two groups of clamping mechanisms are respectively arranged in the two placing tables (7) and used for fixing the low-vortex working blades placed on the two placing tables (7);
and the rotating mechanism is arranged in the working shell (1) and is used for driving the low-vortex working blades arranged on the two placing tables (7) to rotate.
2. The two-station batch sand blowing device for the low-vortex working blades of the aero-engine according to claim 1, wherein the reciprocating mechanism comprises a reciprocating screw rod (16) rotatably connected in the fixed plate (4), two first limiting rods (18) are fixedly connected in the third groove (17), the lifting thread block (19) is slidably connected to the circumferential surfaces of the two first limiting rods (18), and the lifting thread block (19) is in threaded connection with the circumferential surface of the reciprocating screw rod (16).
3. The two-station batch sand blowing device for the low-vortex working blades of the aero-engine according to claim 2, wherein each group of the swing mechanisms comprises a fourth groove (24) formed in a connecting plate (21), a third rotating shaft (30) is rotatably connected in the fourth groove (24), a second rotating rod (29) is fixedly connected to a side end of the third rotating shaft (30), a sliding block (28) is fixedly connected to a side end of the second rotating rod (29), a second rotating shaft (25) is rotatably connected in the fourth groove (24), a first rotating rod (26) is fixedly connected to a circumferential surface of the second rotating shaft (25), a sliding groove (27) is formed in the first rotating rod (26), the sliding block (28) is slidably connected in the sliding groove (27), the second rotating shaft (25) movably penetrates through a side end of the connecting plate (21) and extends outwards, an L-shaped fixing frame (31) is fixedly connected to a side end of the second rotating shaft (25), and the sand blowing nozzle (32) is fixedly connected in the L-shaped fixing frame (31).
4. The two-station batch sand blowing device with the low-vortex working blades for the aero-engine according to claim 3, wherein each set of the gear driving mechanism comprises a driving rack (22) fixedly connected to a side end of the fixed plate (4), the third rotating shaft (30) movably penetrates through a side end of the connecting plate (21) outwards and extends outwards, a driven gear (23) is fixedly connected to a side end of the third rotating shaft (30), and the driven gear (23) is meshed with the driving rack (22).
5. The two-station batch sand blowing device for the low-vortex working blades of the aero-engine according to claim 4, wherein the rotating mechanism comprises a second groove (10) formed in the working shell (1), two first rotating shafts (12) are connected to the second groove (10) in a rotating mode, worm wheels (13) are fixedly connected to the circumferential surfaces of the two first rotating shafts (12), worms (11) are connected to the second groove (10) in a rotating mode, the worms (11) are respectively meshed with the two worm wheels (13), a driving motor (9) is fixedly connected to the side end of the working shell (1), the driving motor (9) is connected with the worms (11) through a coupler, the two first rotating shafts (12) are movably arranged in the working shell (1) in an upward mode, and the two mounting platforms (7) are respectively fixedly connected to the top ends of the two first rotating shafts (12).
6. The two-station batch sand blowing device with the low-vortex working blades for the aero-engine according to claim 5, wherein a first groove (8) is formed in the working shell (1), the reciprocating screw rod (16) penetrates into the first groove (8) in a downward movable mode, a driven bevel gear (15) is fixedly connected to the bottom end of the reciprocating screw rod (16), the worm (11) penetrates into the first groove (8) in an outward movable mode, a driving bevel gear (14) is fixedly connected to the side end of the worm (11), and the driving bevel gear (14) is meshed with the driven bevel gear (15).
7. The two-station batch sand blowing device for the low-vortex working blades of the aero-engine according to claim 6, wherein each group of the clamping mechanisms comprises a fifth groove (38) formed in the mounting table (7), two second limiting rods (33) are fixedly connected in the fifth groove (38), two clamping plates (35) are slidably connected to the circumferential surfaces of the two second limiting rods (33), a bidirectional screw rod (34) is rotatably connected in the fifth groove (38), the two clamping plates (35) are respectively in threaded connection with positive and negative threaded sections on the circumferential surface of the bidirectional screw rod (34), the bidirectional screw rod (34) outwards movably penetrates through the side end of the mounting table (7) and outwards extends, a rotating handle (37) is fixedly connected to the side end of the bidirectional screw rod (34), and rubber anti-skid pads (36) are fixedly connected to the end portions, close to the two clamping plates (35).
8. The two-station batch sand blowing device for the low-vortex working blades of the aero-engine according to claim 7, wherein an observation window is formed in a side end of the working shell (1), and a perspective glass (3) is fixedly connected in the observation window.
9. The two-station batch sand blowing device for the low-vortex working blade of the aircraft engine according to claim 8 is characterized in that a water drainage groove (5) is formed in the bottom end of the working shell (1), a water outlet (6) is formed in the working shell (1), and the water outlet (6) is respectively communicated with the water drainage groove (5) and the outside.
10. Use of a two-station device for the blowing of sand in batches by means of low-vortex rotor blades for aeroengines, according to any one of claims 1 to 9, characterised in that it comprises the following steps:
s1, clamping and fixing: the low-vortex working blade is placed on the upper side of the placing table (7), the two-way screw rod (34) is driven to rotate through the rotating handle (37), the two-way screw rod (34) rotates to drive the two clamping plates (35) to move towards the direction close to each other, and the two clamping plates (35) clamp and fix the low-vortex working blade;
s2, rotation adjustment: after the low-vortex working blades are fixed, a mixed medium of a sand blasting abrasive and liquid is sprayed to the surfaces of the low-vortex working blades by taking compressed air as power through a sand blowing nozzle (32), a driving motor (9) is started to drive a worm (11) to rotate, the worm (11) rotates to drive two worm gears (13) to rotate, the two worm gears (13) rotate to drive two first rotating shafts (12) to rotate, the two first rotating shafts (12) rotate to drive two placing tables (7) to rotate, the two placing tables (7) rotate to drive the two low-vortex working blades clamped and fixed on the upper sides of the placing tables (7) to rotate ceaselessly, and therefore the surfaces of the two low-vortex working blades facing the sand blowing nozzle (32) are ceaselessly adjusted;
s3, reciprocating sand blowing: the worm (11) rotates to drive the driving bevel gear (14) to rotate, the driving bevel gear (14) rotates to drive the driven bevel gear (15) to rotate, the driven bevel gear (15) rotates to drive the reciprocating screw rod (16) to rotate, the reciprocating screw rod (16) rotates to drive the lifting thread block (19) to perform vertical reciprocating linear motion, the lifting thread block (19) drives the two connecting plates (21) with two fixed ends to perform vertical reciprocating linear motion, and the two sand blowing nozzles (32) arranged on two sides of the two connecting plates (21) perform vertical reciprocating linear motion along with the connecting plates (21) so as to be aligned with the low-vortex working blades to perform vertical reciprocating sand blowing;
s4, swinging and blowing sand: when the connecting plate (21) carries out up-and-down reciprocating linear motion, the driven gear (23) is driven to carry out up-and-down reciprocating linear motion, the driven gear (23) is meshed with the driving rack (22), the driven gear can carry out rotation in the reciprocating linear motion process, the driven gear (23) rotates to drive the third rotating shaft (30) to rotate, the third rotating shaft (30) rotates to drive the second rotating rod (29) to rotate, the second rotating rod (29) rotates to drive the sliding block (28) to carry out circular motion, the sliding block (28) slides in the sliding groove (27) during circular motion, so that the first rotating rod (26) is driven to carry out relative reciprocating swing along the central point of the second rotating shaft (25), the second rotating shaft (25) is driven to carry out reciprocating swing, the L-shaped fixing frame (31) is driven by the L-shaped fixing frame (31), the sand blowing nozzle (32) fixedly connected in the L-shaped fixing frame (31) is driven to carry out reciprocating swing sand blowing motion, thereby the low-pressure working blades are more uniform, and the single-pressure sand blowing working blades can be comprehensively covered.
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| CN202211158838.4A CN115502901B (en) | 2022-09-22 | 2022-09-22 | Two-station batch sand blowing device for low-vortex working blade of aero-engine and use method |
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| CN202211158838.4A CN115502901B (en) | 2022-09-22 | 2022-09-22 | Two-station batch sand blowing device for low-vortex working blade of aero-engine and use method |
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Denomination of invention: Two station batch sand blowing device and usage method for low vortex working blades of aircraft engines Effective date of registration: 20230818 Granted publication date: 20230321 Pledgee: Ningbo commercial bank Limited by Share Ltd. Shanghai branch Pledgor: Shanghai Wanze Precision Casting Co.,Ltd. Registration number: Y2023310000481 |