CN115229623A - Guide blade polishing device with positioning polishing function and positioning polishing method thereof - Google Patents
Guide blade polishing device with positioning polishing function and positioning polishing method thereof Download PDFInfo
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- CN115229623A CN115229623A CN202210889226.6A CN202210889226A CN115229623A CN 115229623 A CN115229623 A CN 115229623A CN 202210889226 A CN202210889226 A CN 202210889226A CN 115229623 A CN115229623 A CN 115229623A
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- polishing
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- rod
- guide blade
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/002—Machines or devices using grinding or polishing belts; Accessories therefor for grinding edges or bevels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/004—Machines or devices using grinding or polishing belts; Accessories therefor using abrasive rolled strips
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/16—Machines or devices using grinding or polishing belts; Accessories therefor for grinding other surfaces of particular shape
- B24B21/165—Machines or devices using grinding or polishing belts; Accessories therefor for grinding other surfaces of particular shape for vanes or blades of turbines, propellers, impellers, compressors and the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/18—Accessories
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a guide blade polishing device with a positioning and polishing function and a positioning and polishing method thereof, and relates to the technical field of guide blade polishing. According to the guide vane polishing device, the guide vanes with different sizes are polished by the polishing mechanism, so that the condition that burrs protrude to occupy space and influence the guide vanes to be accurately aligned with the installation positions for rapid assembly is avoided, and meanwhile, the condition that the air guide direction of the guide vanes is interfered due to the fact that the burrs remain on the surfaces of the guide vanes is avoided.
Description
Technical Field
The invention relates to the technical field of guide blade polishing, in particular to a guide blade polishing device with a positioning polishing function and a positioning polishing method thereof.
Background
In an aircraft engine, the assembly structure of a turbine guide vane is important for the engine, the guide vane is used as a wind guide piece, the mass of the guide vane is directly related to the wind guide effect, and the unique bending structure can change the gas flow direction.
In the guide vane course of working, cast into the blank according to the equipment size demand, after taking the blank off the mould, the guide vane surface can bulge has the burr of random distribution on the guide vane surface, if not polish the restoration to its surperficial burr, certain space is occupied to convex burr, then direct influence guide vane's accurate alignment installation position carries out fast assembly like this, on the other hand, the burr remains on guide vane's surface, direct influence guide vane's wind-guiding direction, thereby influence the normal use of turbine, so design guide vane burnishing device and location polishing method with location polishing function here, so that solve above-mentioned problem.
Disclosure of Invention
The invention aims to provide a guide blade polishing device with a positioning polishing function and a positioning polishing method thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: guide blade burnishing device with location polishing function, including brace table, polishing mechanism and two I-shaped axles, it has the ejector pin of the even interval distribution of a plurality of to slide to peg graft through the spliced eye on the brace table, and a plurality of ejector pin is constituteed and is used for supporting the guide blade of placing not unidimensional size.
Polishing mechanism includes four extension rods, and four extension rods are fixed respectively and are set up the both ends position of both sides lateral wall around the brace table, and the relative one side lateral wall tip that two extension rods are close to each other all rotates and is equipped with the swinging arms about controlling, and the swinging arms can be around rotating the swing around the department.
The top of swinging arms all has the inserted link through the slip grafting of sliding hole, it has the spacing dish to control equal fixed cover of the one end outer wall that two relative inserted links are close to each other, the outer wall of inserted link has cup jointed the first spring that is located between swinging arms and the spacing dish, the inserting groove of pegging graft is all seted up and controlled two relative inserted link tip rotations, will control two relative inserted links respectively along the inside one side pull of keeping away from each other of sliding hole of the swinging arms of pegging graft separately, enlarge the clearance between two inserted links, arrange the I-shaped axle in between two inserted links afterwards, loosen two inserted links of keeping away from each other, utilize the elastic potential energy of the first spring of inserted link outer wall, can insert the inserting groove of I-shaped axle with the inserted link tip inside, realize the rotation support to the I-shaped axle.
A rectangular block is fixedly arranged at the end part of one of the two left and right opposite plug rods, and a rectangular butt joint groove in sliding plug connection with the rectangular block is formed in the inner wall of one plug groove, so that the I-shaped shaft is prevented from rotating randomly between the two plug rods.
The bottom end face of the supporting platform is provided with a limiting part for assisting the push rod in resetting, and the push rods pressed downwards are assisted by the limiting part to slide upwards along the corresponding plug holes to reset so as to be used for supporting the guide blade again next time.
And a polishing abrasive belt positioned above the plurality of ejector rods is wound between the outer walls of the two I-shaped shafts, the polishing abrasive belt is attached to the upper end surface of the guide blade, and the four oscillating rods oscillate around respective rotating positions in a reciprocating manner at the same speed and in the oscillating direction, so that the polishing abrasive belt can be driven to polish and polish the upper end surface of the guide blade in a reciprocating manner, and the rapid and effective polishing operation of burrs on the surface of the guide blade is realized.
The polishing device comprises a front swing rod, a rear swing rod, a connecting rod, a T-shaped transmission rod, a motor, a transmission sleeve, a T-shaped sliding groove, a T-shaped transmission rod, a transmission sleeve, an extension rod, a guide vane and a guide vane, wherein the front swing rod and the rear swing rod are opposite to each other, the connecting rod is rotatably connected between the bottom end side walls of the front swing rod and the rear swing rod which are opposite to each other, the end side wall of one extension rod is fixedly provided with the L-shaped rod, the end part of the L-shaped rod is provided with the motor, the radial side wall of the end part of a power shaft of the motor is fixedly provided with the transmission sleeve, the end part of the transmission sleeve is inserted with the T-shaped sliding groove in a sliding mode, the end part of the T-shaped transmission rod is hinged with the end part of the corresponding swing rod, the transmission sleeve and the T-shaped transmission rod are driven to swing around a rotation point by utilizing the power provided by the motor, and meanwhile, the linkage operation of the extension rod and the connecting rod, all the swing rods can synchronously swing and reciprocate in the same direction, so that the polishing abrasive belt between the two I-shafts can swing on the upper end surface of the guide vane to perform polishing operation.
In a further embodiment, the locating part includes two elastic cords, the equal fixedly connected with fastening bolt in the top and end both ends of two elastic cords, the bottom mounting of ejector pin is equipped with the chassis, the first thread groove of pegging graft with the one end fastening bolt of elastic cord is seted up to the bottom face of brace table, the second thread groove of pegging graft with the other end fastening bolt of elastic cord is seted up to the radial lateral wall on chassis, utilize the elasticity of elastic cord to slide the ejector pin upwards in real time along the inside of spliced eye, only receive guide vane's holding down force can lead to the ejector pin gliding, the elastic cord is stretched and is produced bounce-back potential energy, in case after guide vane takes off, the ejector pin just can automatic re-setting.
In further embodiment, four corner positions in the bottom of brace table all fix and are equipped with the jib, fix between the bottom of four jibs and be equipped with the layer board that prevents the ejector pin and break away from the spliced eye, and the layer board is not less than the length of ejector pin apart from the clearance between the brace table bottom face, just so can ensure that the layer board can avoid the ejector pin to break away from the spliced eye because of receiving guide vane to push down as spacing bottom plate.
In a further embodiment, the outer wall of one of the two left and right opposite plug rods is fixedly sleeved with a rectangular clamping block, one end of an opening of a sliding hole of one of the left and right opposite swing rods is provided with a rectangular clamping groove clamped with the rectangular clamping block, the plug rod receives elastic potential energy of a first spring, after the end part of the plug rod is inserted into the plug groove of the I-shaped shaft, the rectangular clamping block can be clamped in the rectangular clamping groove, the I-shaped shaft can be prevented from rotating freely between the left and right two plug rods, and the polishing abrasive belt can be tensioned to realize effective polishing operation.
In a further embodiment, supporting blocks extend upwards from two ends of the supporting table, a pressing mechanism for pressing down the polishing abrasive belt in real time is arranged between the two supporting blocks, the polishing abrasive belt is pressed down by the pressing mechanism, the polishing abrasive belt can be highly attached to the upper end face of the guide blade, and the phenomenon that burrs on the surface of the guide blade are not polished is avoided.
In a further embodiment, the pressing mechanism comprises two backup plates, the two backup plates are respectively and fixedly arranged at the middle positions of the upper end faces of the two supporting blocks, adjusting holes are formed in the side walls of the two backup plates, inverted T-shaped rods are slidably inserted into the adjusting holes, the top ends of the inverted T-shaped rods slidably penetrate through the upper end faces of the backup plates, a supporting cross beam is fixedly arranged between the bottom ends of the two inverted T-shaped rods, the front side wall and the rear side wall of the supporting cross beam are respectively hinged with two hinged rods, the end side walls of the two hinged rods opposite to the left side and the right side are respectively and rotatably provided with a connecting disc, a plurality of pressure rods distributed in an annular uniform interval are fixedly arranged between the two connecting discs opposite to the left side and the right side, a pressing sleeve is fixedly arranged on the outer wall of each pressure rod, a pressing rod is slidably inserted into the end portion of the pressing sleeve through a T-shaped groove, a second spring capable of jacking the pressing rod in real time is arranged inside the T-shaped groove, the hinged rods rotate to press around the hinged positions in real time, synchronous pressing of the connecting discs and the pressing rods are pressed against the upper end faces of the polishing abrasive belt, and the upper end faces of the polishing belt are abutted against the lower end faces of the polishing belt, and the polishing belt can be pressed by the pressing force.
In a further embodiment, the outer wall of the inverted T-shaped rod is sleeved with a third spring located inside the adjusting hole, the inverted T-shaped rod can be pressed down in real time by utilizing the elastic force of the third spring, so that the supporting cross beam is pressed down in real time, the pressing rod at the end part of the hinged rod is ensured to be capable of pressing down the polishing abrasive belt in real time, and the effective performance of polishing operation is ensured.
In further embodiment, supporting beam's upper end is rotated and is equipped with the screw thread regulation pole, the screw thread regulation pole has cup jointed the threaded sleeve through the external screw thread rotation, threaded sleeve's outer wall symmetry articulates there are two pull rods, it is equipped with the stiffener to control two relative hinged rod relative lateral wall fixings, the outer wall of stiffener rotates and has cup jointed sliding sleeve, the tip of pull rod is articulated with sliding sleeve's outer wall, adjust threaded sleeve down along the outer wall of screw thread regulation pole, can drive the hinged rod through pull rod and stiffener and rotate the pushing down around articulated position, thereby ensure that the depression bar supports the up end at the polishing abrasive band down, increase polishing abrasive band and guide vane surface contact scope, ensure to carry out the polishing operation comprehensively.
Preferably, the positioning and polishing method based on the guide blade polishing device with the positioning and polishing function comprises the following steps:
a1, placing guide blades to be polished in different sizes on the upper end surfaces of a plurality of ejector rods of a support table, wherein the ejector rods influenced by the gravity of the guide blades can slide downwards along corresponding plug-in holes, the ejector rods not pressed by the gravity of the guide blades are not subjected to position change, and the ejector rods not subjected to position change are positioned on the outer sides of the guide blades to play a role in limiting;
a2, adopt polishing mechanism to polish the operation to not unidimensional guide blade, guide blade surface burr is polished and is restoreed by polishing abrasive band, avoids the burr protrusion to occupy the space, influences guide blade's accurate alignment installation position and carries out fast assembly, can avoid simultaneously remaining in guide blade's surface because of the burr, and the wind-guiding direction that leads to guide blade receives the interference and influences the normal use of turbine.
Compared with the prior art, the invention has the beneficial effects that:
the invention relates to a guide vane polishing device with a positioning and polishing function and a positioning and polishing method thereof, wherein guide vanes to be polished in different sizes are placed on the upper end surfaces of a plurality of ejector rods of a support table, the ejector rods influenced by the gravity of the guide vanes slide down along corresponding insertion holes, the ejector rods not pressed by the gravity of the guide vanes do not change position, the ejector rods not changing position are positioned on the outer sides of the guide vanes to play a limiting role, the phenomenon of sideslip in the polishing process of the guide vanes is avoided, a polishing mechanism is adopted to polish the guide vanes in different sizes, burrs on the surfaces of the guide vanes are polished and repaired by a polishing abrasive belt, the burrs are prevented from protruding to occupy space, the guide vanes are prevented from being accurately aligned to installation positions to be rapidly assembled, and meanwhile, the phenomenon that the air guide direction of the guide vanes is interfered due to the burrs remaining on the surfaces of the guide vanes can be avoided, so that the normal use of a turbine is influenced.
Drawings
FIG. 1 is an exploded view of the main structure of the present invention;
FIG. 2 is a cross-sectional view of two I-shaft configurations of the present invention;
FIG. 3 is a partial cross-sectional view of a support table of the present invention;
FIG. 4 is a schematic view of the structure of the insertion rod of the present invention;
FIG. 5 is a partial sectional view of the swing lever of the present invention;
FIG. 6 is a partial cross-sectional view of an I-shaft of the present invention;
FIG. 7 is a schematic view of the structure of the backup plate of the present invention;
FIG. 8 is a schematic view of a portion of the pressing mechanism of the present invention;
fig. 9 is a partial cross-sectional view of the hold-down mechanism of the present invention.
In the figure: 1. a support table; 11. a top rod; 12. a chassis; 13. a support plate; 2. a polishing mechanism; 21. an extension rod; 22. a swing lever; 23. a connecting rod; 24. a plug rod; 25. an L-shaped rod; 26. a motor; 27. a drive sleeve; 28. a T-shaped transmission rod; 29. a rectangular fixture block; 210. a first spring; 211. a limiting disc; 212. a rectangular block; 3. an I-shaped shaft; 31. polishing an abrasive belt; 4. a pressing mechanism; 41. a backup plate; 42. inverting the T-shaped rod; 43. a support beam; 44. a hinged lever; 45. a connecting disc; 46. a pressure lever; 47. a reinforcing bar; 48. a threaded adjusting rod; 49. a threaded sleeve; 410. a pull rod; 411. a sliding sleeve; 412. a third spring; 413. pressing down the sleeve; 414. a lower pressure lever; 415. a second spring; 5. a limiting member; 51. elastic bands; 52. and fastening the bolt.
Detailed Description
The following will clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1, 2, 4, 5 and 6, the embodiment provides a guide blade polishing device with a positioning and polishing function and a positioning and polishing method thereof, including a supporting table 1, a polishing mechanism 2 and two i-shafts 3, wherein a plurality of ejector rods 11 are inserted and connected to the supporting table 1 through insertion holes in a sliding manner, and the plurality of ejector rods 11 are used for supporting and placing guide blades of different sizes.
The guide vanes to be polished with different sizes are placed on the upper end surfaces of a plurality of ejector rods 11 of a support table 1, the ejector rods 11 influenced by the gravity of the guide vanes slide down along the corresponding insertion holes, the ejector rods 11 not pressed down by the gravity of the guide vanes do not change positions, the ejector rods 11 not changing positions are positioned on the outer sides of the guide vanes to play a limiting role, and the phenomenon of side slipping in the polishing process of the guide vanes is avoided.
The top of swinging arms 22 all has inserted rod 24 through the slip grafting of sliding hole, the relative one end outer wall that two inserted rods 24 are close to each other about all fixed the cup jointing of spacing dish 211, the outer wall of inserted rod 24 cup joints the first spring 210 that is located between swinging arms 22 and the spacing dish 211, the inserting groove of two inserted rod 24 tip rotations grafting relative about with all being seted up at the both ends of I-shaped shaft 3, will control relative two inserted rods 24 respectively along the inside pull of the slip hole of swinging arms 22 of pegging graft separately to the one side of keeping away from each other, enlarge the clearance between two inserted rods 24, arrange I-shaped shaft 3 between two inserted rods 24 afterwards, loosen two inserted rods 24 that keep away from each other, utilize the elastic potential energy of the first spring 210 of inserted rod 24 outer wall, can insert the inserting rod 24 tip in the inserting groove of I-shaped shaft 3 inside, realize the rotation support to I-shaped shaft 3.
The end part of one 24 of the two left and right opposite plug-in rods 24 is fixedly provided with a rectangular block 212, and the inner wall of one plug-in groove is provided with a rectangular butt-joint groove which is in sliding plug-in connection with the rectangular block 212, so that the I-shaped shaft 3 is prevented from randomly rotating between the two plug-in rods 24.
In addition, a polishing abrasive belt 31 positioned above the plurality of ejector rods 11 is wound between the outer walls of the two I-shaped shafts 3, the polishing abrasive belt 31 is attached to the upper end face of the guide blade, and the four oscillating rods 22 oscillate back and forth around respective rotating positions at the same speed and in the same oscillating direction, so that the polishing abrasive belt 31 can be driven to polish and polish the upper end face of the guide blade back and forth, and the rapid and effective polishing operation of the burrs on the surface of the guide blade is realized.
The connecting rods 23 are rotatably connected between the bottom end side walls of the two opposite front and rear swinging rods 22, the end side wall of one extension rod 21 is fixedly provided with an L-shaped rod 25, a motor 26 is arranged below the end part of the L-shaped rod 25, the radial side wall of the end part of a power shaft of the motor 26 is fixedly provided with a transmission sleeve 27, the end part of the transmission sleeve 27 is slidably inserted with a T-shaped transmission rod 28 through a T-shaped sliding chute, the end part of the T-shaped transmission rod 28 is hinged with the end side wall of the corresponding swinging rod 22, the transmission sleeve 27 and the T-shaped transmission rod 28 are driven to swing in a reciprocating manner by taking the power shaft of the motor 26 as the center through the power provided by the motor 26, the corresponding swinging rod 22 can be driven to swing around a rotating point, and simultaneously, the synchronous and equidirectional reciprocating swinging of all the swinging rods 22 can be realized through the linkage operation of the extension rods 21 and the connecting rods 23, so that the polishing abrasive belt 31 between the two I-shaped shafts 3 swings in a reciprocating manner on the upper end surface of the guide blade to perform the polishing operation.
During the swinging process, the T-shaped transmission rod 28 slides along the inside of the T-shaped sliding groove of the transmission sleeve 27, so that the length difference during the swinging process is compensated.
Adopt polishing mechanism 2 to polish the operation to not unidimensional guide blade, guide blade surface burr is polished and is restoreed by polishing abrasive band 31, avoids the burr protrusion to occupy the space, influences guide blade's accurate alignment installation position and carries out fast assembly, can avoid simultaneously remaining in guide blade's surface because of the burr, and the wind-guiding direction that leads to guide blade receives the interference and influences the normal use of turbine.
In order to avoid that the I-shaped shaft 3 rotates randomly between the two insertion rods 24 and the tightness of the polishing abrasive belt 31 is influenced, the rectangular fixture block 29 is fixedly sleeved on the outer wall of one insertion rod 24 of the two left and right opposite insertion rods 24, a rectangular clamping groove clamped with the rectangular fixture block 29 is formed in one end of an opening of a sliding hole of one swinging rod 22 of the two left and right opposite swinging rods 22, the insertion rods 24 are under the elastic potential energy of the first spring 210, after the end parts of the insertion rods 24 are inserted into the insertion grooves of the I-shaped shaft 3, the rectangular fixture block 29 can be clamped in the rectangular clamping groove, the I-shaped shaft 3 can be prevented from rotating randomly between the left and right insertion rods 24, and the polishing abrasive belt 31 can be tensioned to realize effective polishing operation.
Example two
Referring to fig. 1 and fig. 3, a further improvement is made on the basis of embodiment 1:
the bottom end face of the supporting table 1 is provided with a limiting piece 5 for assisting the top rod 11 to reset, after polishing is finished, the guide blade is taken down from the top rod 11, and the top rod 11 pressed downwards is assisted by the limiting piece 5 to slide upwards along the corresponding plug-in hole to reset so as to be used for supporting the guide blade again next time.
The limiting part 5 comprises two elastic bands 51, fastening bolts 52 are fixedly connected to the beginning and the end of each of the two elastic bands 51, a chassis 12 is fixedly arranged at the bottom end of the ejector rod 11, a first thread groove in plug-in connection with the fastening bolt 52 at one end of each elastic band 51 is formed in the bottom end face of the supporting table 1, a second thread groove in plug-in connection with the fastening bolt 52 at the other end of each elastic band 51 is formed in the radial side wall of the chassis 12, the fastening bolts 52 at the two ends of each elastic band 51 are respectively in plug-in connection with the first thread groove and the second thread groove, the ejector rod 11 can slide upwards in real time along the inside of the plug-in hole by the elasticity of the elastic bands 51, the ejector rod 11 can slide downwards only when the downward pressure of the guide blade is applied, the elastic bands 51 are stretched to generate rebound potential energy, and the ejector rod 11 can automatically reset once the guide blade is taken down.
All fixedly being equipped with the jib in four corner positions in the bottom of brace table 1, fixedly being equipped with between the bottom of four jibs and preventing that ejector pin 11 breaks away from the layer board 13 of spliced eye, layer board 13 is not less than the length of ejector pin 11 apart from the clearance between the brace table 1 bottom face, just so can ensure that layer board 13 can avoid ejector pin 11 to break away from the spliced eye because of receiving guide blade to push down as spacing bottom plate.
EXAMPLE III
Referring to fig. 1, fig. 2, fig. 7, fig. 8 and fig. 9, a further improvement is made on the basis of embodiment 2:
the polishing abrasive belt 31 with the length being much longer than the gap between the two I-shaped shafts 3 can also be wound between the two I-shaped shafts 3, so that the arrangement has the advantages that one of the I-shaped shafts 3 is rotated according to the polishing requirement, the wound polishing abrasive belt 31 is output and fixedly wound on the outer wall of the other I-shaped shaft 3 for polishing operation, the polishing abrasive belt 31 with the changed length is seriously worn after being used for a long time, the worn polishing abrasive belt 31 can be wound on the outer wall of one of the I-shaped shafts 3 by synchronously rotating the two I-shaped shafts 3, and a new polishing abrasive belt 31 can be output from the outer wall of the other I-shaped shaft 3, so that the polishing requirement is met.
In order to further enhance the contact and attachment degree of the polishing abrasive belt 31 and the upper end face of the guide blade, supporting blocks are upwards extended from two ends of the supporting table 1, a pressing mechanism 4 for pressing down the polishing abrasive belt 31 in real time is arranged between the two supporting blocks, the polishing abrasive belt 31 is pressed down by the pressing mechanism 4, the polishing abrasive belt 31 can be highly attached to the upper end face of the guide blade, and the phenomenon that burrs on the surface of the guide blade are not polished is avoided.
The pressing mechanism 4 includes two backup plates 41, an inverted T-shaped lever 42, a support cross member 43, a hinge lever 44, a connection plate 45, a pressing lever 46, a third spring 412, a pressing lever 414, and a second spring 415.
Two backup plates 41 are fixed respectively and are set up the up end middle section position at two supporting shoes, and the regulation hole has been seted up to two backup plates 41 lateral walls, and it has handstand T type pole 42 to slide the grafting in the regulation hole, and handstand T type pole 42's top slides the up end that runs through backup plate 41, fixedly is equipped with supporting beam 43 between two handstand T type pole 42's the bottom, and handstand T type pole 42 slides from top to bottom along the regulation downthehole portion, can drive supporting beam 43 height-adjusting from top to bottom.
Two hinged rods 44 are hinged to the front side wall and the rear side wall of the supporting cross beam 43, the end part side walls of the left hinged rod 44 and the right hinged rod 44 are rotatably provided with connecting discs 45, a plurality of pressing rods 46 which are distributed in an annular uniform interval mode are fixedly arranged between the left connecting disc 45 and the right connecting disc 45, a pressing sleeve 413 is fixedly arranged on the outer wall of each pressing rod 46, a pressing rod 414 is inserted into the end part of each pressing sleeve 413 in a sliding mode through a T-shaped groove, a second spring 415 capable of jacking the pressing rod 414 in real time is arranged inside the T-shaped groove, the hinged rods 44 rotate around the hinged positions to press down in real time, synchronous pressing of the connecting discs 45 and the pressing rods 46 is achieved, the pressing rods 414 abut against the upper end face of the polishing abrasive belt 31, the polishing abrasive belt 31 can be pressed down through the pressing force, and it is ensured that the polishing abrasive belt 31 can be highly attached to the surface of a guide blade with a certain radian.
And the third spring 412 positioned in the adjusting hole is sleeved on the outer wall of the inverted T-shaped rod 42, the inverted T-shaped rod 42 can be pressed down in real time by utilizing the elastic force of the third spring 412, so that the supporting cross beam 43 is pressed down in real time, the pressing rod 46 at the end part of the hinged rod 44 is ensured to be capable of pressing down the polishing abrasive belt 31 in real time, and the effective performance of the polishing operation is ensured.
In addition, the upper end of supporting beam 43 is rotated and is equipped with threaded adjusting rod 48, threaded adjusting rod 48 has cup jointed threaded sleeve 49 through the external screw thread rotation, threaded sleeve 49's outer wall symmetry articulates there are two pull rods 410, it is equipped with stiffener 47 to control two relative hinged rods 44 relative side wall fixings, the outer wall of stiffener 47 rotates and has cup jointed sliding sleeve 411, the tip of pull rod 410 is articulated with sliding sleeve 411's outer wall, bare-handed rotation threaded adjusting rod 48, can drive threaded sleeve 49 along threaded adjusting rod 48 axial direction adjustment height, thereby through hinged rod 44 pulling sliding sleeve 411 around the articulated position swing.
The threaded sleeve 49 is adjusted downwards along the outer wall of the threaded adjusting rod 48, and the hinge rod 44 can be driven by the pull rod 410 and the reinforcing rod 47 to rotate and press downwards around the hinge position, so that the pressing rod 414 is enabled to abut against the upper end face of the polishing abrasive belt 31, the contact range of the polishing abrasive belt 31 and the surface of the guide vane is enlarged, and the polishing operation is enabled to be carried out comprehensively.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. Guide blade burnishing device with location polishing function, including brace table (1), polishing mechanism (2) and two I-shaped axle (3), its characterized in that: a plurality of ejector rods (11) which are uniformly distributed at intervals are inserted in the supporting platform (1) in a sliding manner through insertion holes, and a limiting piece (5) for assisting the ejector rods (11) to reset is arranged on the bottom end face of the supporting platform (1);
the polishing mechanism (2) comprises four extension rods (21), the four extension rods (21) are respectively and fixedly arranged at two end positions of side walls of the front side and the rear side of the support table (1), the end parts of the side walls, close to each other, of the two extension rods (21) opposite to each other on the left side and the right side are respectively and rotatably provided with a swing rod (22), the top ends of the swing rods (22) are respectively inserted into insertion rods (24) in a sliding mode through sliding holes in a sliding mode, the outer walls, close to each other, of the two insertion rods (24) opposite to each other on the left side and the right side are respectively and fixedly sleeved with a limiting disc (211), the outer walls of the insertion rods (24) are respectively and fixedly sleeved with a first spring (210) located between the swing rods (22) and the limiting discs (211), and insertion grooves which are rotatably inserted into the end parts of the two insertion rods (24) opposite to the left side and the right side are respectively formed in two ends of the H-shaped shaft (3);
a rectangular block (212) is fixedly arranged at the end part of one (24) of the two left and right opposite plug-in rods (24), and a rectangular butt joint groove which is in sliding plug-in connection with the rectangular block (212) is formed in the inner wall of one plug-in groove;
a polishing abrasive belt (31) positioned above the plurality of ejector rods (11) is wound between the outer walls of the two I-shaped shafts (3);
connecting rod (23) are connected with in the rotation between the bottom lateral wall of two swing arms (22) relative in front and back, and the tip lateral wall of one of them extension rod (21) is fixed and is equipped with L type pole (25), and the tip below of L type pole (25) is equipped with motor (26), the radial lateral wall of power shaft tip of motor (26) is fixed and is equipped with transmission sleeve (27), the tip of transmission sleeve (27) is pegged graft through T type spout slip has T type transfer line (28), the tip of T type transfer line (28) is articulated with a swing arm (22) tip lateral wall that corresponds.
2. The guide blade polishing device with a function of positional polishing as set forth in claim 1, wherein: the locating part (5) comprises two elastic bands (51), fastening bolts (52) are fixedly connected to the beginning and the end of the two elastic bands (51), a base plate (12) is arranged at the bottom end of the ejector rod (11), a first thread groove which is connected with the fastening bolts (52) of the elastic bands (51) in an inserting mode is formed in the bottom end face of the supporting table (1), and a second thread groove which is connected with the fastening bolts (52) of the other ends of the elastic bands (51) in an inserting mode is formed in the radial side wall of the base plate (12).
3. The guide blade polishing device with a positioning polishing function as claimed in claim 1, wherein: four corner positions at the bottom end of the support table (1) are all fixedly provided with hanging rods, and a supporting plate (13) for preventing the ejector rod (11) from being separated from the inserting hole is fixedly arranged between the bottom ends of the four hanging rods.
4. The guide blade polishing device with a function of positional polishing as set forth in claim 1, wherein: the outer wall of one of the left and right opposite plug-in rods (24) is fixedly sleeved with a rectangular clamping block (29), and one end of the opening of the sliding hole of one of the left and right opposite swing rods (22) is provided with a rectangular clamping groove clamped with the rectangular clamping block (29).
5. The guide blade polishing device with a function of positional polishing as set forth in claim 1, wherein: supporting blocks extend upwards from two ends of the supporting table (1), and a pressing mechanism (4) for pressing down the polishing abrasive belt (31) in real time is arranged between the two supporting blocks.
6. The guide blade polishing device with a positioning polishing function as claimed in claim 5, wherein: push down mechanism (4) and include two backup plates (41), two backup plates (41) are fixed respectively and are set up the up end middle section position at two supporting shoes, and the regulation hole has been seted up to two backup plates (41) lateral walls, it has handstand T type pole (42) to slide to peg graft in the regulation hole, and the top of handstand T type pole (42) slides the up end that runs through backup plate (41), fixes between the bottom of two handstand T type poles (42) and is equipped with supporting beam (43), the both sides lateral wall all articulates around supporting beam (43) has two articulated rods (44), controls the tip lateral wall of two relative articulated rods (44) and all rotates and is equipped with connection pad (45), controls between two relative connection pad (45) fixed depression bar (46) that are the even interval distribution of a plurality of being annular.
7. The guide blade polishing device with a positioning polishing function as claimed in claim 6, wherein: the outer wall of the pressing rod (46) is fixedly provided with a pressing sleeve (413), the end part of the pressing sleeve (413) is inserted with a pressing rod (414) in a sliding mode through a T-shaped groove, and a second spring (415) capable of jacking the pressing rod (414) in real time is arranged inside the T-shaped groove.
8. The guide blade polishing device with a positioning polishing function as set forth in claim 6, wherein: and a third spring (412) positioned in the adjusting hole is sleeved on the outer wall of the inverted T-shaped rod (42).
9. The guide blade polishing device with a positioning polishing function as set forth in claim 6, wherein: the upper end of supporting beam (43) is rotated and is equipped with threaded adjusting rod (48), threaded adjusting rod (48) has cup jointed threaded sleeve (49) through the external screw thread rotation, the outer wall symmetry of threaded sleeve (49) articulates there are two pull rods (410), controls two relative hinged rod (44) and is fixed relative lateral wall and be equipped with stiffener (47), the outer wall of stiffener (47) is rotated and is cup jointed sliding sleeve (411), the tip of pull rod (410) is articulated with the outer wall of sliding sleeve (411).
10. The guide blade polishing device with the positioning polishing function is adopted in the positioning polishing method of the guide blade polishing device with the positioning polishing function as claimed in claim 1, and is characterized by comprising the following steps:
a1, placing guide blades to be polished in different sizes on the upper end surfaces of a plurality of ejector rods (11) of a support table (1), wherein the ejector rods (11) influenced by the gravity of the guide blades slide down along corresponding plug-in holes, the ejector rods (11) which are not pressed down by the gravity of the guide blades do not change in position, and the ejector rods (11) which do not change in position are positioned on the outer sides of the guide blades to play a limiting role;
a2, adopt polishing mechanism (2) to polish the operation to not unidimensional guide blade, guide blade surface burr is polished and is restoreed by polishing abrasive band, avoids the burr protrusion to occupy the space, influences guide blade's accurate alignment installation position and carries out fast assembly, can avoid simultaneously remaining in guide blade's surface because of the burr, and the wind-guiding direction that leads to guide blade receives the interference and influences the normal use of turbine.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210889226.6A CN115229623B (en) | 2022-07-27 | 2022-07-27 | Guide vane polishing device with positioning polishing function and positioning polishing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210889226.6A CN115229623B (en) | 2022-07-27 | 2022-07-27 | Guide vane polishing device with positioning polishing function and positioning polishing method thereof |
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| CN115229623A true CN115229623A (en) | 2022-10-25 |
| CN115229623B CN115229623B (en) | 2023-05-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210889226.6A Active CN115229623B (en) | 2022-07-27 | 2022-07-27 | Guide vane polishing device with positioning polishing function and positioning polishing method thereof |
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Cited By (1)
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| CN117047639A (en) * | 2023-08-17 | 2023-11-14 | 维致新材料科技(南通)有限公司 | Mould burnishing device |
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| Publication number | Publication date |
|---|---|
| CN115229623B (en) | 2023-05-09 |
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