CN106695499A - Multi-station continuous grinding device and method for guide vane - Google Patents
Multi-station continuous grinding device and method for guide vane Download PDFInfo
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- CN106695499A CN106695499A CN201611049107.0A CN201611049107A CN106695499A CN 106695499 A CN106695499 A CN 106695499A CN 201611049107 A CN201611049107 A CN 201611049107A CN 106695499 A CN106695499 A CN 106695499A
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000003825 pressing Methods 0.000 claims abstract description 122
- 238000003754 machining Methods 0.000 claims abstract description 31
- 230000006835 compression Effects 0.000 claims description 70
- 238000007906 compression Methods 0.000 claims description 70
- 238000012545 processing Methods 0.000 claims description 49
- 238000005096 rolling process Methods 0.000 abstract description 7
- 229910001651 emery Inorganic materials 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000013461 design Methods 0.000 description 1
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Classifications
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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
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/14—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding turbine blades, propeller blades or 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
- B24B27/00—Other grinding machines or devices
- B24B27/0023—Other grinding machines or devices grinding machines with a plurality of working posts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention discloses a multi-station continuous grinding device and method for a guide vane and belongs to the technical field of gas turbine vane machining. The multi-station continuous grinding device for the guide vane comprises a four-shaft linkage slow feeding grinding machine, a rolling wheel, a grinding wheel and a clamp; the rolling wheel is installed on a rolling wheel shaft of the four-shaft linkage slow feeding grinding machine; the grinding wheel is installed on a grinding wheel shaft of the four-shaft linkage slow feeding grinding machine; the clamp is installed on a rotating table of the four-shaft linkage slow feeding grinding machine; the side face of the rolling wheel comprises four grinding areas; the structure of the four grinding areas is the same as the structure of four machining areas of an installing plate of the guide vane; a structure ground by the side face of the rolling wheel and opposite to the concave and convex structure of the side face of the rolling wheel is formed on the side face of the grinding wheel; and the clamp comprises a bottom plate which is provided with an upper installing plate positioning and clamping mechanism, a lower installing plate positioning and clamping mechanism, a vane body tight pressing mechanism, a radial positioning and clamping mechanism and a pot back positioning and clamping mechanism. By means of the device and method, four to-be-machined stations of the guide vane can be subjected to continuous grinding.
Description
Technical Field
The invention relates to the technical field of gas turbine blade processing, in particular to a guide blade multi-station continuous grinding device and method.
Background
Along with the development of the aviation machining industry technology, the requirement on the precision of the mounting plate on the multi-connected guide vane is higher and higher, in the manufacturing process of an aero-engine or gas turbine blade, the mounting plate and the blade body of the guide vane are generally guaranteed by zero-allowance casting, the guide vane is made of high-temperature casting alloy, the guide vane is difficult to machine and poor in machining performance, machining efficiency is low, the mounting plate of the guide vane is mainly guaranteed by a machining method, and the mounting plate of the guide vane is machined by slow feeding grinding at present.
The mounting plate of the guide vane mainly has four processing areas, as shown in fig. 1, the thick line part in the drawing is four processing areas, wherein the first processing area 51 is the outer circle and the conical surface of the mounting plate on the exhaust side of the guide vane 47, the second processing area 52 is the inner circle and the end surface of the mounting plate on the air inlet side of the guide vane 47, the third processing area 53 is the outer circle and the end surface of the mounting plate groove on the air inlet side of the guide vane 47, and the fourth processing area 54 is the outer circle and the conical surface of the mounting plate on the air inlet side of the guide vane 47.
The existing slow-feeding grinding processing is used for grinding the four processing areas respectively, namely, each processing area uses a clamp, a grinding wheel and a roller wheel, each area is processed, one-time processing adjustment is needed, the guide vane 47 is dismounted from the current clamp, the guide vane 47 is mounted on the corresponding clamp when the next processing area is processed, the grinding wheel and the roller wheel needed when the next area is processed are replaced, the process switching process is very complicated, a large amount of time is wasted, the processing efficiency is low, and the guide vane 47 needs to be re-clamped when each area is processed, and due to the influence of errors of clamping errors and non-coincident references, the size precision of the mounting plate of the guide vane 47 is difficult to guarantee, and the processing qualified rate is low.
Disclosure of Invention
In order to solve the problems of complicated process switching process, low processing efficiency and low dimensional precision of the processed guide vane 47 caused by different clamps, grinding wheels and rollers used for processing different areas of the guide vane 47 in the conventional grinding method, the invention provides a guide vane multi-station continuous grinding device, which comprises: the four-axis linkage slow feeding grinding machine comprises a four-axis linkage slow feeding grinding machine, a roller, a grinding wheel and a clamp, wherein the roller is arranged on a roller shaft of the four-axis linkage slow feeding grinding machine;
the side surface of the roller comprises four grinding areas, the structures of the four grinding areas are the same as those of the four processing areas of the mounting plate of the guide vane, and the side surface of the grinding wheel is provided with a structure which is ground by the side surface of the roller and is opposite to the concave-convex structure of the side surface of the roller;
the fixture comprises a bottom plate, and an upper mounting plate positioning and clamping mechanism, a lower mounting plate positioning and clamping mechanism, a blade body pressing mechanism, a radial positioning and clamping mechanism and a basin back positioning and clamping mechanism are arranged on the bottom plate.
The upper mounting plate positioning and clamping mechanism comprises a supporting block, a first positioning block, a second positioning block, a first pressing piece and a second pressing piece;
the supporting block is arranged on the bottom plate, the first positioning block and the second positioning block are symmetrically arranged on two sides of the supporting block, and the first pressing piece and the second pressing piece are symmetrically arranged on two sides of the bottom plate;
the first pressing part comprises a first supporting table, a first pressing plate and a first pressing screw, the first supporting table is fixed on the bottom plate, one end of the first pressing plate is clamped on the first supporting table, and the first pressing screw penetrates through the middle part of the first pressing plate and is installed on the bottom plate;
the second pressing piece comprises a second supporting table, a second pressing plate and a second pressing screw, the second supporting table is fixed on the bottom plate, one end of the second pressing plate is clamped on the second supporting table, and the second pressing screw penetrates through the middle of the second pressing plate and is installed on the bottom plate.
The radial positioning and clamping mechanism comprises a third positioning block, a fourth positioning block, a radial compression screw, a radial compression plate and a first spring;
two clamping grooves are symmetrically formed in the supporting block, and a third positioning block and a fourth positioning block are clamped in the two clamping grooves respectively and are fixed on the bottom plate;
the radial compression screw penetrates through the radial compression plate to be meshed with a threaded hole in the side face of the bottom plate, the supporting block is connected with the radial compression plate through a pin, and the first spring is installed between the radial compression plate and the supporting block.
The lower mounting plate positioning and clamping mechanism comprises a third compression screw, a lower mounting plate pressing plate, a lower mounting plate supporting block, a lower mounting plate positioning block, a positioning block supporting block and an internal thread boss;
the inner thread boss is fixed on the bottom plate, an inner thread hole is formed in the inner thread boss, a third compression screw penetrates through the lower mounting plate pressing plate and is meshed with the inner thread hole, one end of the lower mounting plate pressing plate is clamped on the lower mounting plate supporting block, the lower mounting plate supporting block is fixed on the bottom plate, the lower mounting plate positioning block is fixed on the positioning block supporting block, and the positioning block supporting block is fixed on the bottom plate.
The blade body pressing mechanism comprises a fourth pressing screw, a screw connecting plate, a blade body pressing plate, a first limiting screw, a second limiting screw, a first connecting boss and a second connecting boss;
the middle part of the screw connecting plate is provided with an internal thread hole, the fourth compression screw penetrates through the internal thread hole to be connected with the blade pressing plate, the first limiting screw penetrates through one end of the screw connecting plate to be connected with the first connecting boss, the second limiting screw penetrates through the other end of the screw connecting plate to be connected with the second connecting boss, and the first connecting boss and the second connecting boss are fixed on the bottom plate.
The basin back positioning and clamping mechanism comprises a fifth compression screw, a screw supporting block, a clamping block, a blade basin pressing plate, a second spring and a blade positioning pin;
the fixture block is fixed on the bottom plate, a clamping groove is formed in the fixture block, the leaf body basin is installed on the bottom surface of the clamping groove through a pin towards the pressing plate, an inner threaded hole is formed in the side surface of the clamping groove, a fifth compression screw penetrates through the screw supporting block and the inner threaded hole to abut against one end, facing the pressing plate, of the leaf body basin, a groove is formed in the other end, facing the pressing plate, of the leaf body basin, a second spring is installed between the groove and the fixture block, and the leaf body positioning pin is.
The four grinding areas of the side surface of the roller are respectively a first grinding area, a second grinding area, a third grinding area and a fourth grinding area;
the structure in first grinding region with the structure of mounting panel excircle and conical surface is the same on guide vane's the exhaust side, the structure in second grinding region with the structure of circle and terminal surface is the same in the mounting panel on guide vane's the side of admitting air, the structure in third grinding region with the structure of mounting panel groove excircle and terminal surface is the same on guide vane's the side of admitting air, the structure in fourth grinding region with the structure of mounting panel excircle and conical surface is the same on guide vane's the side of admitting air.
The bottom surface of the bottom plate of the clamp is provided with a cylindrical groove, the rotating platform is provided with a cylindrical boss, the cylindrical boss is arranged in the cylindrical groove, and the depth of the cylindrical groove is greater than the height of the cylindrical boss.
Be equipped with a plurality of installation screw holes on the bottom plate of anchor clamps, use the screw to pass the installation screw hole and screw hole on the revolving stage will anchor clamps are installed on the revolving stage of four-axis linkage creep feed grinding machine.
In another aspect, the present invention provides a method of processing a guide vane using the guide vane multi-station continuous grinding apparatus, the method comprising:
step 1, screwing a fifth compression screw of the basin back positioning and clamping mechanism, enabling the fifth compression screw to abut against one end, facing the pressure plate, of a blade body basin of the basin back positioning and clamping mechanism, enabling the other end, facing the pressure plate, of the blade body basin to compress a second spring of the basin back positioning and clamping mechanism, and enabling the basin back positioning and clamping mechanism to be loosened;
step 2, attaching a first plane positioning point on the guide blade to a first positioning block of the upper mounting plate positioning and clamping mechanism, attaching a second plane positioning point to a second positioning block of the upper mounting plate positioning and clamping mechanism, attaching a third plane positioning point to a lower mounting plate positioning block of the lower mounting plate positioning and clamping mechanism, attaching a first radial positioning point to a third positioning block of the radial positioning and clamping mechanism, attaching a second radial positioning point to a fourth positioning block of the radial positioning and clamping mechanism, and attaching a blade body positioning point to a blade body positioning pin of the basin back positioning and clamping mechanism;
step 3, screwing a fourth compression screw of the blade body compression mechanism to drive a blade body pressing plate of the blade body compression mechanism to compress the blade body of the guide blade; screwing a first compression screw and a second compression screw of the upper mounting plate positioning and clamping mechanism to enable a first compression plate and a second compression plate of the upper mounting plate positioning and clamping mechanism to compress two sides of the upper mounting plate of the guide blade; screwing down a third compression screw of the lower mounting plate positioning and clamping mechanism to drive a lower mounting plate pressing plate of the lower mounting plate positioning and clamping mechanism to compress the lower mounting plate of the guide blade; screwing a radial compression screw of the radial positioning and clamping mechanism to drive a radial compression plate of the radial positioning and clamping mechanism to compress the middle part of the upper mounting plate of the guide blade; loosening the fifth compression screw, ejecting the blade body basin towards the other end of the pressure plate by the second spring, and compressing the blade body basin of the guide blade towards the pressure plate by the blade body basin;
step 4, starting the four-axis linkage slow feeding grinder, enabling the roller and the grinding wheel to rotate, and grinding the grinding wheel by the roller;
step 5, rotating the angle of the axis A of the rotating table to alpha 1, moving the axis B of the four-axis linkage slow-feeding grinding machine to an initial position, starting to link the axis X, the axis Y, the axis Z and the axis B, and grinding the excircle and the conical surface of the mounting plate on the exhaust side of the guide blade by the grinding wheel;
step 6, rotating the angle of the axis A of the rotating table to alpha 2, moving the axis B of the four-axis linkage slow-feeding grinding machine to an initial position, starting to link the axis X, the axis Y, the axis Z and the axis B, and grinding the inner circle and the end face of the mounting plate on the air inlet side of the guide blade by using the grinding wheel;
step 7, rotating the angle of the shaft A of the rotating table to alpha 3, moving the shaft B of the four-shaft linkage slow-feeding grinding machine to an initial position, starting to link the shaft X, the shaft Y, the shaft Z and the shaft B, and grinding the excircle and the end face of the mounting plate groove on the air inlet side of the guide blade by the grinding wheel;
and 8, rotating the angle of the shaft A of the rotating table to alpha 4, moving the shaft B of the four-shaft linkage slow-feeding grinding machine to an initial position, starting linkage of the shaft X, the shaft Y, the shaft Z and the shaft B, and grinding the excircle and the conical surface of the mounting plate on the air inlet side of the guide blade by using the grinding wheel.
In the invention, four grinding areas are arranged on the side surface of the roller, the structures of the four grinding areas are the same as the structures of four processing areas of the mounting plate of the guide vane, a special clamp is arranged, the roller, the grinding wheel and the clamp are arranged on a four-shaft linkage slow feeding grinding machine, the guide vane is arranged on the clamp, when the guide vane is processed, the roller rotates, the roller grinds the grinding wheel simultaneously, the grinding wheel forms four grinding areas, the structures of the four grinding areas of the grinding wheel are opposite to the structures of the four grinding areas of the roller, a program is programmed, each shaft of the four-shaft linkage slow feeding grinding machine is linked, the grinding wheel and the guide vane move to a reasonable processing position, the four grinding areas of the grinding wheel grind the four processing areas of the guide vane respectively, thus, four stations to be processed of the guide vane can be continuously ground only by the roller, the grinding wheel and the clamp, the roller, the grinding wheel and the clamp are not required to be replaced every time a station is machined, the number of tools is greatly reduced, the time for switching the processes is saved, the machining efficiency is greatly improved, the guide vane is not required to be repeatedly clamped, the precision of the machined guide vane is ensured, and the machining qualified rate is improved.
Drawings
FIG. 1 is a side view of a guide vane provided by the present invention;
FIG. 2 is a schematic structural view of a four-axis linkage slow-feed grinding machine according to the present invention;
FIG. 3 is a side view of the jig for holding a guide vane according to the present invention mounted on a rotary table;
FIG. 4 is a cross-sectional view of a roller provided by the present invention;
FIG. 5 is a schematic view of a roller grinding wheel provided by the present invention;
FIG. 6 is a schematic view of a first machining region of a guide vane for grinding with a grinding wheel according to the present invention;
FIG. 7 is a front view of the clamp provided by the present invention;
FIG. 8 is a left side view of the clamp provided by the present invention;
FIG. 9 is a top view of a guide vane retaining clip provided in accordance with the present invention;
FIG. 10 is a schematic view of the structure of the guide vane and the positioning points provided by the present invention;
FIG. 11 is a side view of FIG. 10 provided by the present invention;
FIG. 12 is a schematic view of a second machining region of the guide vane for grinding with a grinding wheel according to the present invention;
FIG. 13 is a schematic view of a third machining region of a guide vane for grinding with a grinding wheel according to the present invention;
FIG. 14 is a schematic view of a fourth machining region of the guide vane for grinding with a grinding wheel according to the present invention;
FIG. 15 is a front view of the present invention providing a guide vane retaining clip;
fig. 16 is a schematic structural view of a first pressing member and a second pressing member provided by the present invention;
fig. 17 is a schematic view of a connection structure of a fourth compression screw and a blade body pressure plate provided by the invention.
Wherein,
1, four shafts are linked to slowly feed to a grinding machine; 2, rolling wheels; 3, grinding wheel; 4, clamping; 5, a rotating platform; 6, a bottom plate; 7 a supporting block; 8, a first positioning block; 9 a second positioning block; 10 a first support table; 11 a first pressure strip; 12 a first compression screw; 13 a second support table; 14 a second compression plate; 15 a second compression screw; 16 a third positioning block; 17 a fourth positioning block; 18 radial compression screws; 19 a radial hold down plate; 20 a first spring; 21 a third compression screw; 22, mounting a lower plate pressing plate; 23 lower mounting plate supporting blocks; 24, mounting a lower plate positioning block; 25 positioning a block support block; 26 an internal thread boss; 27 a fourth compression screw; 28 screw connection plates; 29 blade body pressing plates; 30 a first limit screw; 31 a second limit screw; 32 a first connection boss; 33 a second connection boss; 34 a fifth compression screw; 35 a screw support block; 36 of a fixture block; 37 leaf pot-direction pressing plates; 38 a second spring; 39 blade body locating pins; 40 a first grinding area; 41 a second grinding area; 42 a third grinding area; 43 a fourth grinding area; 44 a cylindrical recess; 45 cylindrical bosses; 46 mounting screw holes; 47 a guide blade; 48 leaf bodies; 49 mounting the plate; 50 lower mounting plates; 51 a first machining area; 52 a second machining zone; 53 third machining zone; 54 a fourth machining zone; 55, a pin; 56 bosses; 57 a stop pin; 58 circular arc surface bosses.
Detailed Description
Example 1
In order to solve the problems of complicated process switching process, low processing efficiency and low dimensional accuracy of the processed guide vane 47 due to different clamps, grinding wheels and rollers used for processing different areas of the guide vane 47 in the conventional grinding method, as shown in fig. 2, 3, 4 and 5, the invention provides a guide vane multi-station continuous grinding device, which comprises: the grinding machine comprises a four-shaft linkage slow-feeding grinding machine 1, a roller 2, a grinding wheel 3 and a clamp 4, wherein the roller 2 is installed on a roller shaft of the four-shaft linkage slow-feeding grinding machine 1, the grinding wheel 3 is installed on a grinding wheel shaft of the four-shaft linkage slow-feeding grinding machine 1, and the clamp 4 is installed on a rotating table 5 of the four-shaft linkage slow-feeding grinding machine 1;
as shown in fig. 4, the side surface of the roller 2 is provided with four grinding areas having the same structure as that of the four machining areas of the mounting plate of the guide vane, namely a first grinding area 40, a second grinding area 41, a third grinding area 42 and a fourth grinding area 43;
the structure of the first grinding area 40 is the same as that of the first machining area 51 of the guide vane, that is, the structure of the outer circle and the conical surface of the mounting plate on the exhaust side of the guide vane; the second grinding region 41 has the same structure as the second machining region 52 of the guide vane, that is, the same structure as the inner circle and the end face of the mounting plate on the air intake side of the guide vane; the structure of the third grinding area 42 is the same as that of the third machining area 53 of the guide vane, that is, the structure of the outer circle and the end face of the mounting plate groove on the air inlet side of the guide vane; the fourth grinding region 43 has the same structure as the fourth machining region 54 of the guide vane, i.e., the same structure as the outer circle and the tapered surface of the mounting plate on the inlet side of the guide vane.
As shown in fig. 5, the side surface of the grinding wheel 3 is formed with a structure opposite to the side surface irregularities of the roller 2 ground by the side surface of the roller 2; as shown in fig. 6, when the guide vane 47 is machined, the roller 2 grinds the grinding wheel 3 so that the irregularities of the structure of the side surface of the grinding wheel 3 are opposite to the irregularities of the structure of the side surface of the roller 2, and then four machining regions of the guide vane 47 are respectively ground by using the parts of the side surface of the grinding wheel 3 opposite to the structures of the four grinding regions of the side surface of the roller 2, thereby finally making the four machining regions of the guide vane 47 meet the size requirements. In the present invention, the blank area is also provided when the roller 2 is designed, and thus, when the roller 2 grinds the grinding wheel 3, the blank area is also formed on the grinding wheel 3, and the blank area is to prevent the grinding wheel 3 from grinding other parts of the guide vane 47 when grinding the machining area of the guide vane 47.
As shown in fig. 7, the fixture 4 includes a bottom plate 6, and an upper mounting plate positioning and clamping mechanism, a lower mounting plate positioning and clamping mechanism, a blade body pressing mechanism, a radial positioning and clamping mechanism, and a bowl back positioning and clamping mechanism are provided on the bottom plate 6.
As shown in fig. 7, 9 and 16, the upper mounting plate positioning and clamping mechanism includes a supporting block 7, a first positioning block 8, a second positioning block 9, a first pressing member and a second pressing member;
the supporting block 7 is arranged on the bottom plate 6, the first positioning block 8 and the second positioning block 9 are symmetrically arranged on two sides of the supporting block 7, and the first pressing piece and the second pressing piece are symmetrically arranged on two sides of the bottom plate 6;
the first pressing part comprises a first supporting table 10, a first pressing plate 11 and a first pressing screw 12, the first supporting table 10 is fixed on the bottom plate 6, one end of the first pressing plate 11 is clamped on the first supporting table 10, and the first pressing screw 12 penetrates through the middle part of the first pressing plate 11 and is installed on the bottom plate 6;
the second pressing piece comprises a second supporting table 13, a second pressing plate 14 and a second pressing screw 15, the second supporting table 13 is fixed on the bottom plate 6, one end of the second pressing plate 14 is clamped on the second supporting table 13, and the second pressing screw 15 penetrates through the middle of the second pressing plate 14 and is installed on the bottom plate 6.
As shown in fig. 9, two bosses 56 with mounting holes may be mounted on the bottom plate 6, the ends of the first compression screw 12 and the second compression screw 13 are respectively mounted with a fixture block which is engaged with the inner mounting hole of the boss 56, the ends of the first compression screw 12 and the second compression screw 13 are respectively connected with the fixture block through threads, and the fixture block is clamped in the mounting hole and can move in the mounting hole, so as to better ensure that the first compression plate 11 and the second compression plate 14 compress the guide vane 47.
As shown in fig. 7 and 8, the lower mounting plate positioning and clamping mechanism includes a third compression screw 21, a lower mounting plate pressing plate 22, a lower mounting plate supporting block 23, a lower mounting plate positioning block 24, a positioning block supporting block 25 and an internal thread boss 26;
the internal thread boss 26 is fixed on the bottom plate 6, an internal thread hole is formed in the internal thread boss 26, the third compression screw 21 penetrates through the lower mounting plate pressing plate 22 and is meshed with the internal thread hole, one end of the lower mounting plate pressing plate 22 is clamped on the lower mounting plate supporting block 23, the lower mounting plate supporting block 23 is fixed on the bottom plate 6, the lower mounting plate positioning block 24 is fixed on the positioning block supporting block 25, and the positioning block supporting block 25 is fixed on the bottom plate 6.
As shown in fig. 7, 8 and 9, the radial positioning and clamping mechanism includes a third positioning block 16, a fourth positioning block 17, a radial pressing screw 18, a radial pressing plate 19 and a first spring 20;
two clamping grooves are symmetrically formed in the supporting block 7, and a third positioning block 16 and a fourth positioning block 17 are clamped in the two clamping grooves respectively and are fixed on the bottom plate 6;
the radial pressing screw 18 is engaged with a threaded hole of the side of the base plate 6 through a radial pressing plate 19, the support block 7 and the radial pressing plate 19 are connected by a pin, and the first spring 20 is installed between the radial pressing plate 19 and the support block 7.
As shown in fig. 7, 8 and 9, the blade body pressing mechanism includes a fourth pressing screw 27, a screw connecting plate 28, a blade body pressing plate 29, a first limit screw 30, a second limit screw 31, a first connecting boss 32 and a second connecting boss 33;
the middle part of the screw connecting plate 28 is provided with an internal thread hole, the fourth compression screw 27 passes through the internal thread hole to be connected with the blade pressing plate 29, the first limit screw 30 passes through one end of the screw connecting plate 28 to be connected with the first connecting boss 32, the second limit screw 31 passes through the other end of the screw connecting plate 28 to be connected with the second connecting boss 33, and the first connecting boss 32 and the second connecting boss 33 are fixed on the bottom plate 6.
As shown in fig. 7, the tub back positioning and clamping mechanism includes a fifth compression screw 34, a screw supporting block 35, a fixture block 36, a blade tub pressing plate 37, a second spring 38 and a blade positioning pin 39;
the clamping block 36 is fixed on the bottom plate 6, a clamping groove is formed in the clamping block 36, the leaf body basin is mounted on the bottom surface of the clamping groove through a pin 55, an internal threaded hole is formed in the side surface of the clamping groove, the fifth compression screw 34 penetrates through the screw supporting block 35 and the internal threaded hole to abut against one end, facing the pressing plate 37, of the leaf body basin, a groove is formed in the other end, facing the pressing plate 37, of the leaf body basin, the second spring 38 is mounted between the groove and the clamping block 36, and the leaf body positioning pin 39 is fixed on.
As shown in fig. 3, the bottom surface of the bottom plate 6 of the fixture 4 is provided with a cylindrical groove 44, the rotary table 5 is provided with a cylindrical boss 45, the cylindrical boss 45 is installed in the cylindrical groove 44, and the depth T of the cylindrical groove 44 is greater than the height T of the cylindrical boss 45.
When the guide vane multi-station continuous grinding device is used for processing a mounting plate of a guide vane, a grinding wheel 3, a roller 2 and a clamp 4 are required to be fixed on a four-shaft linkage slow feeding grinding machine 1, the roller 2 is installed on a roller shaft, the grinding wheel 3 is installed on the grinding shaft, as shown in figure 3, a cylindrical groove 44 on a bottom plate 6 of the clamp 4 is installed on a cylindrical boss 45 on a rotating platform 5, and the bottom surface of the bottom plate 6 is attached to the plane of the rotating platform 5, wherein, as shown in figure 7, a plurality of mounting screw holes 46 are arranged on the bottom plate 6 of the clamp 4, the clamp 4 is preliminarily installed on the rotating platform 5 of the four-shaft linkage slow feeding grinding machine 1 by using screws penetrating through the mounting screw holes 46 and screw holes on the rotating platform 5, in the invention, because the cylindrical groove 44 is difficult to be processed into a smooth, as shown in fig. 3, the depth T of the cylindrical groove 44 is greater than the height T of the cylindrical boss 45, so that the bottom plate 6 can be ensured to be attached to the upper plane of the rotary table 5, the influence on the processing quality due to the non-attachment between the bottom plate 6 and the rotary table 5 is prevented, and the processing precision is ensured; after the fixture 4 is preliminarily installed on the rotating table 5, the dial indicator is adsorbed on the main shaft of the four-shaft linkage slow-feeding grinding machine 1, a detection head of the dial indicator is pushed against the side face of the fixture 4, the Z shaft of the four-shaft linkage slow-feeding grinding machine 1 is moved, the B shaft is rotated, the position of the fixture 4 is finely adjusted, the side face of the fixture 4 is parallel to the Z shaft, a screw is screwed, and the fixture 4 is fastened on the rotating table 5.
The roller 2 in the invention is a diamond roller, the four-axis linkage slow feed grinder 1 is a horizontal slow feed grinder, and is provided with a two-dimensional rotating table 5, referring to fig. 2 and 3, the four-axis linkage slow feed grinder 1 in the invention is shown in fig. 2, a clamp 4 is not shown, the clamp 4 is arranged on the rotating table 5 of the four-axis linkage slow feed grinder 1 in fig. 3, the bottom surface of a bottom plate 6 of the clamp 4 is attached to the upper surface of the rotating table 5, a guide blade 47 is arranged on the clamp 4, and the central line of the guide blade 47 is parallel to the horizontal plane, namely, the upper surface of the rotating table 5.
In the invention, four grinding areas are arranged on the side surface of a roller 2, the structures of the four grinding areas are the same as the structures of four processing areas of a mounting plate of a guide vane, a special clamp 4 is arranged, the roller 2, a grinding wheel 3 and the clamp 4 are arranged on a four-shaft linkage slow feeding grinding machine 1, the guide vane is arranged on the clamp 4, when the guide vane is processed, the roller 2 rotates, the roller 2 grinds the grinding wheel 3 at the same time, the grinding wheel 3 forms four grinding areas, the structures of the four grinding areas of the grinding wheel 3 are opposite to the structures of the four grinding areas of the roller 2, a program is programmed, the four-shaft linkage slow feeding is carried out to each shaft of the grinding machine 1 to link, the grinding wheel 3 and the guide vane move to a reasonable processing position, and the four grinding areas of the grinding wheel 3 grind the four processing areas of the guide vane respectively, so, only can carry out the grinding in succession through a gyro wheel 2, a emery wheel 3 and a anchor clamps 4 to guide vane's four stations of treating processing, need not every station of processing, just change a gyro wheel 2, an emery wheel 3 and an anchor clamps 4, the frock quantity that has significantly reduced has saved the time that the process switches moreover, has improved machining efficiency greatly, and need not to carry out the clamping repeatedly to guide vane, has guaranteed the precision of the guide vane who processes out, has improved the processing qualification rate.
Example 2
The invention provides a method for processing a guide vane by using a guide vane multi-station continuous grinding device, which comprises the following steps:
step 1, as shown in fig. 7, screwing down a fifth compression screw 34 of the basin back positioning and clamping mechanism, so that the fifth compression screw 34 presses against one end of a leaf basin-oriented pressing plate 37 of the basin back positioning and clamping mechanism, and the other end of the leaf basin-oriented pressing plate 37 compresses a second spring 38 of the basin back positioning and clamping mechanism, so that the basin-oriented positioning and clamping mechanism is loosened;
when the fifth compression screw 34 is screwed down, the fifth compression screw 34 can support one end of the blade body basin towards the pressing plate 37, and the blade body basin is arranged on the bottom surface of the clamping groove of the clamping block 36 through the pin 55, so that the blade body basin can do lever motion around the pin 55 towards the pressing plate 37, the other end of the blade body basin towards the pressing plate 37 can compress the second spring 38, the basin positioning and clamping mechanism is loosened, and the guide blade 47 can be arranged on the clamp 4 at the moment.
Step 2, as shown in fig. 10 and 11, attaching a first plane positioning point on the guide blade 47 to a first positioning block 8 of the upper mounting plate positioning and clamping mechanism, attaching a second plane positioning point to a second positioning block 9 of the upper mounting plate positioning and clamping mechanism, attaching a third plane positioning point to a lower mounting plate positioning block 24 of the lower mounting plate positioning and clamping mechanism, attaching a first radial positioning point to a third positioning block 16 of the radial positioning and clamping mechanism, attaching a second radial positioning point to a fourth positioning block 17 of the radial positioning and clamping mechanism, and attaching a blade body positioning point to a blade body positioning pin 39 of the basin back positioning and clamping mechanism;
6 positioning points are selected on the guide vane 47, and 3 positioning points are selected in the exhaust direction: first plane location pointThe left positioning point and the second positioning point of the upper mounting plate plane areThe positioning points of the right and the third planes of the upper mounting plate plane arePositioning points for the plane of the lower mounting plate; two positioning points are selected in the arc direction of the guide vane 47: first radial positioning pointIs a radial left positioning point and a second radial positioning pointA radial right positioning point is adopted; 1 positioning point, namely a blade body positioning point is selected in the blade back direction of the guide blade 47
As shown in fig. 10, 7 and 3, the guide vane 47 is held by hand, and a first plane positioning point on the guide vane 47 is positionedA second plane positioning point bonded with the first positioning block 8A third plane positioning point attached to the second positioning block 9A first radial positioning point attached to the lower mounting plate positioning block 24A second radial positioning point jointed with the third positioning block 16Positioning point of blade body attached to fourth positioning block 17And is jointed with the blade body positioning pin 39.
Step 3, pressing the guide vane 47 by hand, as shown in fig. 9, screwing the fourth pressing screw 27 of the blade pressing mechanism by a wrench, and driving the blade pressing plate 29 of the blade pressing mechanism to press the blade 48 of the guide vane 47;
as shown in fig. 9 and 17, a mounting hole may be formed in the blade pressing plate 29, two stop pins 57 are disposed in the mounting hole, an arc boss 58 is mounted at the end of the fourth compression screw 27, the arc on the arc boss 58 contacts with the bottom surface of the mounting hole in the blade pressing plate 29, the arc boss 58 may rotate in the mounting hole, and the two stop pins 57 prevent the arc boss 58 from slipping out of the mounting hole, so as to design the blade pressing plate 29 to incline at a certain angle, because the blade 48 has a certain inclination angle, the blade pressing plate 29 may more tightly press the blade 48, and a better positioning effect is achieved.
As shown in fig. 7 and 9, the first compression screw 12 and the second compression screw 15 of the upper mounting plate positioning and clamping mechanism are tightened, so that the first compression plate 11 and the second compression plate 14 of the upper mounting plate positioning and clamping mechanism compress two sides of the upper mounting plate 49 of the guide vane 47;
as shown in fig. 3, the third pressing screw 21 of the lower mounting plate positioning and clamping mechanism is screwed down, so as to drive the lower mounting plate pressing plate 22 of the lower mounting plate positioning and clamping mechanism to press the lower mounting plate 50 of the guide vane 47; as shown in fig. 3, the radial pressing screw 18 of the radial positioning and clamping mechanism is tightened to drive the radial pressing plate 19 of the radial positioning and clamping mechanism to press the middle part of the upper mounting plate 49 of the guide vane 47;
as shown in fig. 7, the fifth compression screw 34 is loosened, the second spring 38 ejects the blade body basin towards the other end of the pressure plate 37, the other end of the blade body basin towards the pressure plate 37 is provided with a boss, and the boss of the other end of the blade body basin towards the pressure plate 37 compresses the blade body basin of the guide vane 47;
as shown in fig. 15, the guide vane 47 is fixed on the jig 4 in this way, the guide vane 47 is pressed and positioned in the plane direction, the radial direction, the blade body direction and the basin back direction, then the clearance between each positioning point of the guide vane 47 and each point block on the jig 4 is checked by a feeler gauge, and the clearance is not more than 0.03mm, otherwise, the installation position of the guide vane 47 on the jig 4 is readjusted until the clearance is less than 0.03 mm.
Step 4, starting the four-axis linkage slow-feeding grinding machine 1, rotating the roller 2 and the grinding wheel 3, and grinding the grinding wheel 3 by the roller 2; according to the set program, the first machining area 51, the second machining area 52, the third machining area 53, and the fourth machining area 54 of the guide vane 47 are machined in this order.
Step 5, processing of the first processing region 51: as shown in fig. 6, according to the programmed program, the a axis of the rotating table 5 rotates to α 1, in the embodiment of the present invention, α 1 is-90 °, the B axis of the four-axis linkage slow-feeding grinding machine 1 moves to the initial position, the X axis, the Y axis, the Z axis and the B axis start to be linked, the programmed method is the prior art, the four-axis linkage slow-feeding is linked to each axis of the grinding machine 1 by the programmed program, and the grinding wheel 3 grinds the outer circle and the conical surface of the mounting plate on the exhaust side of the guide vane 47;
as shown in fig. 6, at this time, the center line of the guide vane 47 is at 90 degrees to the horizontal plane, that is, the surface to be processed of the guide vane 47 is perpendicular to the feed direction of the grindstone 3.
Step 6, processing of the second processing area 52: as shown in fig. 12, the a-axis of the rotating table 5 is rotated to α 2, in the present invention, in order to avoid interference between the grinding wheel 3 and the inner circle of the guide blade 47 due to too small angle of α 2 and interference between the grinding wheel 3 and the blade 48 of the guide blade 47 due to too large angle of α 2, α 2 is-30 ° to-45 °, specifically, the selection may be made according to the diameter of the grinding wheel 3 and the diameter of the guide blade 47 to be processed, in the embodiment of the present invention, the selection is-30 °, the B-axis of the four-axis linkage creep feed grinding machine 1 is moved to the initial position, the X-axis, the Y-axis, the Z-axis and the B-axis start to be linked, and the grinding wheel 3 grinds the inner circle and the end face of the;
step 7, processing of the third processing area 53: as shown in fig. 13, the a axis of the rotating table 5 is rotated to α 3, in the embodiment of the present invention, α 3 is-20 °, the B axis of the four-axis linkage creep feed grinding machine 1 moves to the initial position, the X axis, the Y axis, the Z axis and the B axis start to be linked, and the grinding wheel 3 grinds the outer circle and the end face of the plate groove on the air inlet side of the guide blade 47;
step 8, processing of the fourth processing area 54: as shown in fig. 14, the a-axis of the rotating table 5 is rotated to α 4, in the embodiment of the present invention, α 4 is-90 °, the B-axis of the four-axis linkage creep feed grinding machine 1 is moved to the initial position, the X-axis, the Y-axis, the Z-axis, and the B-axis start to be linked, and the grinding wheel 3 grinds the outer circle and the conical surface of the mounting plate on the air inlet side of the guide blade 47.
In the invention, four grinding areas are arranged on the side surface of a roller 2, the structures of the four grinding areas are the same as the structures of four processing areas of a mounting plate of a guide vane 47, a special clamp 4 is arranged, the roller 2, a grinding wheel 3 and the clamp 4 are arranged on a four-shaft linkage slow feeding grinding machine 1, the guide vane 47 is arranged on the clamp 4, when the guide vane 47 is processed, the roller 2 rotates, the roller 2 grinds the grinding wheel 3 at the same time, the grinding wheel 3 forms four grinding areas, the structures of the four grinding areas of the grinding wheel 3 are opposite to the structures of the four grinding areas of the roller 2, a program is programmed, the four-shaft linkage slow feeding is linked to each shaft of the grinding machine 1, the grinding wheel 3 and the guide vane 47 move to a reasonable processing position, and the four grinding areas of the grinding wheel 3 grind the four processing areas of the guide vane 47 respectively, so, only can carry out the grinding in succession through a gyro wheel 2, a emery wheel 3 and a anchor clamps 4 to guide vane 47 four stations of treating processing, need not every station of processing, just change a gyro wheel 2, an emery wheel 3 and an anchor clamps 4, the frock quantity that has significantly reduced has saved the time that the process switches moreover, machining efficiency has been improved greatly, and need not to carry out the clamping repeatedly to guide vane 47, the precision of the guide vane 47 of having guaranteed processing out has improved the processing qualification rate.
Claims (10)
1. The utility model provides a guide vane multistation continuous grinding device which characterized in that, guide vane multistation continuous grinding device includes: the four-axis linkage slow feeding grinding machine comprises a four-axis linkage slow feeding grinding machine (1), a roller (2), a grinding wheel (3) and a clamp (4), wherein the roller (2) is installed on a roller shaft of the four-axis linkage slow feeding grinding machine (1), the grinding wheel (3) is installed on a grinding wheel shaft of the four-axis linkage slow feeding grinding machine (1), and the clamp (4) is installed on a rotating table (5) of the four-axis linkage slow feeding grinding machine (1);
the side surface of the roller (2) comprises four grinding areas, the structures of the four grinding areas are the same as those of the four processing areas of the mounting plate of the guide vane, and the side surface of the grinding wheel (3) is provided with a structure which is ground by the side surface of the roller (2) and is opposite to the side surface of the roller (2) in concave-convex mode;
the clamp (4) comprises a bottom plate (6), and an upper mounting plate positioning and clamping mechanism, a lower mounting plate positioning and clamping mechanism, a blade body pressing mechanism, a radial positioning and clamping mechanism and a basin back positioning and clamping mechanism are arranged on the bottom plate (6).
2. The guide vane multi-station continuous grinding device as claimed in claim 1, wherein the upper mounting plate positioning and clamping mechanism comprises a supporting block (7), a first positioning block (8), a second positioning block (9), a first pressing piece and a second pressing piece;
the supporting block (7) is arranged on the bottom plate (6), the first positioning block (8) and the second positioning block (9) are symmetrically arranged on two sides of the supporting block (7), and the first pressing piece and the second pressing piece are symmetrically arranged on two sides of the bottom plate (6);
the first pressing piece comprises a first supporting table (10), a first pressing plate (11) and a first pressing screw (12), the first supporting table (10) is fixed on the bottom plate (6), one end of the first pressing plate (11) is clamped on the first supporting table (10), and the first pressing screw (12) penetrates through the middle part of the first pressing plate (11) and is installed on the bottom plate (6);
the second pressing piece comprises a second supporting table (13), a second pressing plate (14) and a second pressing screw (15), the second supporting table (13) is fixed on the bottom plate (6), one end of the second pressing plate (14) is clamped on the second supporting table (13), and the second pressing screw (15) penetrates through the middle of the second pressing plate (14) and is installed on the bottom plate (6).
3. The guide vane multi-station continuous grinding device as claimed in claim 2, wherein the radial positioning and clamping mechanism comprises a third positioning block (16), a fourth positioning block (17), a radial pressing screw (18), a radial pressing plate (19) and a first spring (20);
two clamping grooves are symmetrically formed in the supporting block (7), and a third positioning block (16) and a fourth positioning block (17) are clamped in the two clamping grooves respectively and are fixed on the bottom plate (6);
the radial pressing screw (18) penetrates through the radial pressing plate (19) to be meshed with a threaded hole in the side face of the bottom plate (6), the supporting block (7) and the radial pressing plate (19) are connected through a pin, and the first spring (20) is installed between the radial pressing plate (19) and the supporting block (7).
4. The guide vane multi-station continuous grinding device as claimed in claim 1, wherein the lower mounting plate positioning and clamping mechanism comprises a third compression screw (21), a lower mounting plate pressing plate (22), a lower mounting plate supporting block (23), a lower mounting plate positioning block (24), a positioning block supporting block (25) and an internal thread boss (26);
an internal thread boss (26) is fixed on the bottom plate (6), an internal thread hole is formed in the internal thread boss (26), a third compression screw (21) penetrates through the lower mounting plate pressing plate (22) and is meshed with the internal thread hole, one end of the lower mounting plate pressing plate (22) is clamped on the lower mounting plate supporting block (23), the lower mounting plate supporting block (23) is fixed on the bottom plate (6), the lower mounting plate positioning block (24) is fixed on the positioning block supporting block (25), and the positioning block supporting block (25) is fixed on the bottom plate (6).
5. The guide vane multi-station continuous grinding device according to claim 1, wherein the blade body pressing mechanism comprises a fourth pressing screw (27), a screw connecting plate (28), a blade body pressing plate (29), a first limiting screw (30), a second limiting screw (31), a first connecting boss (32) and a second connecting boss (33);
the middle part of screw connecting plate (28) is equipped with the internal thread hole, fourth housing screw (27) pass the internal thread hole with blade body clamp plate (29) are connected, and first stop screw (30) pass the one end of screw connecting plate (28) with first connecting boss (32) are connected, and second stop screw (31) pass the other end of screw connecting plate (28) with second connecting boss (33) are connected, and first connecting boss (32) and second connecting boss (33) are fixed on bottom plate (6).
6. The guide vane multi-station continuous grinding device as claimed in claim 1, wherein the basin back positioning and clamping mechanism comprises a fifth compression screw (34), a screw supporting block (35), a clamping block (36), a blade basin pressing plate (37), a second spring (38) and a blade positioning pin (39);
the clamping block (36) is fixed on the bottom plate (6), a clamping groove is formed in the clamping block (36), the leaf body basin is installed on the bottom surface of the clamping groove through a pin, an internal thread hole is formed in the side surface of the clamping groove, a fifth compression screw (34) penetrates through the screw supporting block (35) and the internal thread hole to abut against one end, facing the pressing plate (37), of the leaf body basin, a groove is formed in the other end, facing the pressing plate (37), of the leaf body basin, a second spring (38) is installed between the groove and the clamping block (36), and a leaf body positioning pin (39) is fixed on the bottom plate (6).
7. Guide vane multi-station continuous grinding device according to any of claims 1 to 6, characterized in that the four grinding areas of the side of the roller (2) are a first grinding area (40), a second grinding area (41), a third grinding area (42) and a fourth grinding area (43), respectively;
the structure of the first grinding region (40) with the structure of mounting panel excircle and conical surface is the same on guide vane's the exhaust side, the structure of the second grinding region (41) with the structure of mounting panel excircle and terminal surface is the same on guide vane's the side of admitting air, the structure of the third grinding region (42) with the structure of mounting panel groove excircle and terminal surface is the same on guide vane's the side of admitting air, the structure of the fourth grinding region (43) with the structure of mounting panel excircle and conical surface is the same on guide vane's the side of admitting air.
8. A guide vane multi-station continuous grinding device as claimed in any one of claims 1 to 6, characterized in that the bottom surface of the base plate (6) of the clamp (4) is provided with a cylindrical groove (44), the rotary table (5) is provided with a cylindrical boss (45), the cylindrical boss (45) is arranged in the cylindrical groove (44), and the depth of the cylindrical groove (44) is greater than the height of the cylindrical boss (45).
9. The guide vane multi-station continuous grinding device as claimed in any one of claims 1 to 6, wherein a plurality of mounting screw holes (46) are formed in the bottom plate (6) of the clamp (4), and the clamp (4) is mounted on the rotary table (5) of the four-axis linked creep feed grinding machine (1) by screws passing through the mounting screw holes (46) and the screw holes on the rotary table (5).
10. A method of machining a guide vane using the guide vane multi-station continuous grinding apparatus according to any one of claims 1 to 9, characterized by comprising:
step 1, screwing a fifth compression screw (34) of the basin back positioning and clamping mechanism, enabling the fifth compression screw (34) to press one end of a leaf basin-direction pressing plate (37) of the basin back positioning and clamping mechanism, enabling the other end of the leaf basin-direction pressing plate (37) to compress a second spring (38) of the basin back positioning and clamping mechanism, and enabling the basin-direction positioning and clamping mechanism to be loosened;
step 2, attaching a first plane positioning point on the guide blade to a first positioning block (8) of the upper mounting plate positioning and clamping mechanism, attaching a second plane positioning point to a second positioning block (9) of the upper mounting plate positioning and clamping mechanism, attaching a third plane positioning point to a lower mounting plate positioning block (24) of the lower mounting plate positioning and clamping mechanism, attaching a first radial positioning point to a third positioning block (16) of the radial positioning and clamping mechanism, attaching a second radial positioning point to a fourth positioning block (17) of the radial positioning and clamping mechanism, and attaching a blade positioning point to a blade positioning pin (39) of the basin back positioning and clamping mechanism;
step 3, screwing a fourth compression screw (27) of the blade body compression mechanism to drive a blade body pressure plate (29) of the blade body compression mechanism to compress the blade body (48) of the guide blade (47); screwing a first compression screw (12) and a second compression screw (15) of the upper mounting plate positioning and clamping mechanism to enable a first compression plate (11) and a second compression plate (14) of the upper mounting plate positioning and clamping mechanism to compress two sides of an upper mounting plate (49) of the guide vane (47); screwing down a third compression screw (21) of the lower mounting plate positioning and clamping mechanism to drive a lower mounting plate pressing plate (22) of the lower mounting plate positioning and clamping mechanism to compress a lower mounting plate (50) of the guide vane (47); tightening a radial compression screw (18) of the radial positioning and clamping mechanism to drive a radial compression plate (19) of the radial positioning and clamping mechanism to compress the middle part of an upper mounting plate (49) of the guide vane (47); loosening the fifth compression screw (34), ejecting the blade body basin towards the other end of the pressure plate (37) by the second spring (38), and compressing the blade body basin of the guide blade (47) towards the pressure plate (37) by the blade body basin;
step 4, starting the four-axis linkage slow feeding grinding machine (1), enabling the roller (2) and the grinding wheel (3) to rotate, and enabling the roller (2) to grind the grinding wheel (3);
step 5, rotating the angle of the axis A of the rotating table (5) to alpha 1, enabling the axis B of the four-axis linkage slow feeding grinding machine (1) to run to an initial position, enabling the axis X, the axis Y, the axis Z and the axis B to start linkage, and enabling the grinding wheel (3) to grind the excircle and the conical surface of the mounting plate on the exhaust side of the guide blade (47);
step 6, rotating the angle of the axis A of the rotating table (5) to alpha 2, enabling the four axes to be linked to slowly feed the axis B of the grinding machine (1) to move to an initial position, enabling the axis X, the axis Y, the axis Z and the axis B to be linked, and enabling the grinding wheel (3) to grind the inner circle and the end face of the upper mounting plate on the air inlet side of the guide blade (47);
step 7, rotating the angle of the shaft A of the rotating table (5) to alpha 3, enabling the four shafts to be linked to slowly feed the shaft B of the grinding machine (1) to move to an initial position, enabling the shaft X, the shaft Y, the shaft Z and the shaft B to start to be linked, and enabling the grinding wheel (3) to grind the excircle and the end face of the mounting plate groove on the air inlet side of the guide blade (47);
and 8, rotating the angle of the shaft A of the rotating table (5) to alpha 4, enabling the shaft B of the four-shaft linkage slow feeding grinding machine (1) to run to the initial position, enabling the shaft X, the shaft Y, the shaft Z and the shaft B to start linkage, and grinding the excircle and the conical surface of the mounting plate on the air inlet side of the guide vane (47) by the grinding wheel (3).
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| CN201611049107.0A CN106695499B (en) | 2016-11-25 | 2016-11-25 | A kind of guide vane multistation continuous grinding device and method |
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| CN107498430A (en) * | 2017-09-20 | 2017-12-22 | 上海惠而顺精密工具股份有限公司 | Numerically control grinder for processed complex curved surface |
| CN107553224A (en) * | 2017-09-28 | 2018-01-09 | 中国航发动力股份有限公司 | A kind of low-pressure turbine guide vane multistation processing technology |
| CN109834520A (en) * | 2019-03-27 | 2019-06-04 | 重庆建设车用空调器有限责任公司 | A kind of the double-side grinding structure and its method for grinding of rotary blade type compressor blade |
| CN110497318A (en) * | 2019-08-16 | 2019-11-26 | 成都和鸿科技有限公司 | A kind of heavy duty gas turbine processing idler wheel and its design method |
| CN110497250A (en) * | 2019-06-14 | 2019-11-26 | 成都和鸿科技有限公司 | A kind of processing method of small-sized combustion engine turbine guide vane circular arc and end face |
| CN110842707A (en) * | 2019-12-17 | 2020-02-28 | 中船重工龙江广瀚燃气轮机有限公司 | Quiet leaf grinding frock |
| CN115026682A (en) * | 2022-08-11 | 2022-09-09 | 射阳天工商贸有限公司 | Polishing device for processing jewelry |
| CN116160324A (en) * | 2023-03-28 | 2023-05-26 | 中国航发动力股份有限公司 | High-speed grinding method for single crystal casting superalloy turbine guide vane |
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| CN107553224A (en) * | 2017-09-28 | 2018-01-09 | 中国航发动力股份有限公司 | A kind of low-pressure turbine guide vane multistation processing technology |
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| CN110497318A (en) * | 2019-08-16 | 2019-11-26 | 成都和鸿科技有限公司 | A kind of heavy duty gas turbine processing idler wheel and its design method |
| CN110842707A (en) * | 2019-12-17 | 2020-02-28 | 中船重工龙江广瀚燃气轮机有限公司 | Quiet leaf grinding frock |
| CN115026682A (en) * | 2022-08-11 | 2022-09-09 | 射阳天工商贸有限公司 | Polishing device for processing jewelry |
| CN116160324A (en) * | 2023-03-28 | 2023-05-26 | 中国航发动力股份有限公司 | High-speed grinding method for single crystal casting superalloy turbine guide vane |
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