CN209970472U - Special positioning tool for machining blade inclined plane of nuclear turbine - Google Patents
Special positioning tool for machining blade inclined plane of nuclear turbine Download PDFInfo
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- CN209970472U CN209970472U CN201920960671.0U CN201920960671U CN209970472U CN 209970472 U CN209970472 U CN 209970472U CN 201920960671 U CN201920960671 U CN 201920960671U CN 209970472 U CN209970472 U CN 209970472U
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Abstract
A special positioning tool for machining a blade inclined plane of a nuclear turbine relates to a positioning tool. The utility model provides a current nuclear power steam turbine blade processing back precision can't satisfy the designing requirement, has blade processingquality's problem. Processing has coplane first inclined plane on a plurality of first floor, processing has coplane second inclined plane on a plurality of second floor, first inclined plane and the mutual parallel arrangement of second inclined plane, the upper portion processing of second floor has the third inclined plane, third inclined plane and the setting of second inclined plane mutually perpendicular, first swash plate is tiled on the second inclined plane, the up end and the coplane setting of third inclined plane of first swash plate, the second swash plate is tiled on third inclined plane and first swash plate, the third swash plate is tiled on first inclined plane and the terminal surface contacts with the up end of second swash plate under the third swash plate, the clamp plate passes through stud and cylinder head holding screw and installs on first inclined plane. The utility model is used for processing nuclear turbine blade inclined plane.
Description
Technical Field
The utility model relates to a positioning tool, concretely relates to processing nuclear power steam turbine blade inclined plane special positioning tool.
Background
The air inlet side of the nuclear turbine blade is of an inclined plane structure, the requirement on the precision of the angle of the inclined plane is high, at present, the precision of the processed nuclear turbine blade cannot meet the design requirement by adopting a machining mode of finish milling of a numerical control milling machine, and the machining quality of the blade is affected.
In conclusion, the precision of the processed blade of the existing nuclear turbine cannot meet the design requirement, and the processing quality of the blade is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the unable designing requirement that satisfies of precision after current nuclear steam turbine blade processing, have blade processingquality's problem, and then provide a special positioning tool in processing nuclear steam turbine blade inclined plane.
The utility model discloses a solve the technical scheme that above-mentioned technical problem took and be:
the utility model discloses a processing nuclear power steam turbine blade inclined plane special positioning tool includes the anchor clamps body 1, clamp plate 3, a plurality of cylindric lock 2, a plurality of hexagon nut 4, a plurality of stud 5 and a plurality of cylinder head holding screw 6, the anchor clamps body 1 includes base 1-1, first swash plate 1-4, second swash plate 1-5, third swash plate 1-6, a plurality of first floor 1-2 and a plurality of second floor 1-3, first floor 1-2 and the equal vertical setting of second floor 1-3 are on the up end of base 1-1, a plurality of first floor 1-2 set up along the length direction interval of the anchor clamps body 1, a plurality of second floor 1-3 set up along the length direction interval of the anchor clamps body 1, the quantity of first floor 1-2 and the quantity of second floor 1-3 are unanimous to be set up, first floor 1-2 and second floor 1-3 correspond along the width direction of the anchor clamps body 1 to be arranged and arrange with second floor 1-3 The first rib plates 1-2 are processed with coplanar first inclined planes, the included angle between the first inclined planes and the horizontal plane is 50 degrees, the second rib plates 1-3 are processed with coplanar second inclined planes, the first inclined planes and the second inclined planes are arranged in parallel, the upper parts of the second rib plates 1-3 are processed with third inclined planes, the third inclined planes and the second inclined planes are arranged in a mutually vertical way, the first inclined plates 1-4 are flatly laid on the second inclined planes, the upper end surfaces of the first inclined plates 1-4 are arranged in a coplanar way, the second inclined plates 1-5 are flatly laid on the third inclined planes and the first inclined plates 1-4, the third inclined plates 1-6 are flatly laid on the first inclined planes, the lower end surfaces of the third inclined plates 1-6 are contacted with the upper end surfaces of the second inclined plates 1-5, the press plate 3 is arranged on the first inclined planes through stud bolts 5 and cylindrical head set screws 6, the lower portion of the stud bolt 5 is in threaded connection with the first inclined plates 1-4, the upper portion of the stud bolt 5 penetrates through the pressing plate 3 to be in threaded connection with the hexagon nut 4, the cylindrical head set screw 6 is in threaded connection with the pressing plate 3, the cylindrical head of the cylindrical head set screw 6 abuts against the upper end face of the pressing plate 3, and the plurality of cylindrical pins 2 are inserted into the third inclined plates 1-6.
In one embodiment, the number of first ribs 1-2 and the number of second ribs 1-3 are each three.
In one embodiment, the base 1-1 is a rectangular base, the length of the base 1-1 is 470mm, the width of the base 1-1 is 230mm, the thickness of the base 1-1 is 32mm, a hollow groove is formed on the bottom end surface of the base 1-1, and the height of the hollow groove is 5 mm.
In one embodiment, the middle parts of the two ends of the base 1-1 are correspondingly provided with U-shaped grooves, the width of the U-shaped groove is 18mm, and the length of the U-shaped groove is 20 mm.
In one embodiment, the first ribs 1-2 have a length of 123mm, the first ribs 1-2 have a width of 60mm, the first ribs 1-2 have a thickness of 15mm, and the second ribs 1-3 have a thickness of 15 mm.
In one embodiment, the length of the first swash plate 1-4 is 390mm, the width of the first swash plate 1-4 is 87mm, the thickness of the first swash plate 1-4 is 20mm, and both sides of the upper end of the first swash plate 1-4 are chamfered at 6 × 45 °.
In one embodiment, the length of the second swash plate 1-5 is 390mm, the width of the second swash plate 1-5 is 48mm, the thickness of the second swash plate 1-5 is 18mm, and the opposite corners of the second swash plate 1-5 are chamfered at 6 × 45 °.
In one embodiment, the length of the third swash plate 1 to 6 is 390mm, the width of the third swash plate 1 to 6 is 90mm, the thickness of the third swash plate 1 to 6 is 20mm, and the lower end surface of the third swash plate 1 to 6 is chamfered at 6 × 45 °.
In one embodiment, the length of the pressing plate 3 is 180mm, the width of the pressing plate 3 is 40mm, the thickness of the pressing plate 3 is 30mm, both sides of the upper end surface of the pressing plate 3 are chamfered by 30 °, and the number of the pressing plates 3 is three.
In one embodiment, the pressing plate 3 is provided with a waist hole 3-1 along the length direction thereof, and the stud bolt 5 is inserted into the waist hole 3-1.
Compared with the prior art, the utility model following beneficial effect has:
the utility model discloses a processing nuclear power turbine blade inclined plane special positioning tool will mill or the steam turbine blade of grinding is put in the 90 steps that second swash plate and third swash plate formed, fixes the clamp plate on first swash plate with stud and cylinder head holding screw, compresses tightly the steam turbine blade of processing, has guaranteed that the steam turbine blade side of admitting air inclined plane is parallel with the lathe platform to steam turbine blade machining precision has been guaranteed;
the utility model discloses a processing nuclear power steam turbine blade inclined plane special positioning tool is general on milling machine and grinding machine, utilizes the utility model discloses a positioning tool not only has guaranteed blade inclined plane angle square precision size after the rough milling blade air inlet side inclined plane of numerically controlled fraise machine, at the flat grinder correct grinding blade inclined plane, has improved the surface finish quality on blade inclined plane moreover greatly, can reach Ra1.6 roughness after the correct grinding is cut.
Drawings
FIG. 1 is a front view of the overall structure of the positioning tool for machining the inclined plane of the blade of the nuclear turbine;
FIG. 2 is a front view of the clamp body 1 according to the first embodiment of the present invention;
FIG. 3 is a view from the direction A of FIG. 2;
FIG. 4 is a view from the direction B of FIG. 2;
FIG. 5 is a top view of a base 1-1 according to a first embodiment of the present invention;
fig. 6 is a front view of a ten-fold middle press plate 3 according to the embodiment of the present invention;
fig. 7 is a plan view of a ten-medium pressing plate 3 according to the embodiment of the present invention.
Detailed Description
The first embodiment is as follows: as shown in fig. 1 to 7, the positioning tool special for machining the inclined plane of the blade of the nuclear turbine in the embodiment comprises a clamp body 1, a pressing plate 3, a plurality of cylindrical pins 2, a plurality of hexagon nuts 4, a plurality of stud bolts 5 and a plurality of cylindrical head set screws 6, wherein the clamp body 1 comprises a base 1-1, a first inclined plate 1-4, a second inclined plate 1-5, a third inclined plate 1-6, a plurality of first rib plates 1-2 and a plurality of second rib plates 1-3, the first rib plates 1-2 and the second rib plates 1-3 are vertically arranged on the upper end surface of the base 1-1, the plurality of first rib plates 1-2 are arranged at intervals along the length direction of the clamp body 1, the plurality of second rib plates 1-3 are arranged at intervals along the length direction of the clamp body 1, the number of the first rib plates 1-2 is consistent with the number of the second rib plates 1-3, the first rib plates 1-2 and the second rib plates 1-3 are correspondingly arranged along the width direction of the fixture body 1, a plurality of first rib plates 1-2 are processed with coplanar first inclined planes, the included angle between the first inclined planes and the horizontal plane is 50 degrees, a plurality of second rib plates 1-3 are processed with coplanar second inclined planes, the first inclined planes and the second inclined planes are arranged in parallel, the upper parts of the second rib plates 1-3 are processed with third inclined planes which are perpendicular to each other, the first inclined plates 1-4 are flatly laid on the second inclined planes, the upper end surfaces of the first inclined plates 1-4 and the third inclined planes are arranged in a coplanar manner, the second inclined plates 1-5 are flatly laid on the third inclined planes and the first inclined plates 1-4, the third inclined plates 1-6 are flatly laid on the first inclined planes, and the lower end surfaces of the third inclined plates 1-6 are contacted with the upper end surfaces of the second inclined plates 1-5, the pressing plate 3 is installed on the first inclined plane through the stud bolt 5 and the cylindrical head set screw 6, the lower portion of the stud bolt 5 is in threaded connection with the first inclined plate 1-4, the upper portion of the stud bolt 5 penetrates through the pressing plate 3 to be in threaded connection with the hexagon nut 4, the cylindrical head set screw 6 is in threaded connection with the pressing plate 3, the cylindrical head of the cylindrical head set screw 6 abuts against the upper end face of the pressing plate 3, and the plurality of cylindrical pins 2 are inserted into the third inclined plate 1-6.
The utility model discloses when using, pass through the bolt fastening with special positioning tool on the lathe platform, the steam turbine blade that will mill or grind is put in the 90 steps that second swash plate 1-5 and third swash plate 1-6 formed, with clamp plate 3 with stud and cylinder head holding screw fix on first swash plate 1-4, compress tightly the steam turbine blade of processing, guaranteed that the steam turbine blade side inclined plane of admitting air is parallel with the lathe platform to steam turbine blade machining precision has been guaranteed.
The second embodiment is as follows: as shown in fig. 1 and 2, the number of the first ribs 1-2 and the number of the second ribs 1-3 are three in the present embodiment. The design is used for fixedly supporting the first inclined plate 1-4, the second inclined plate 1-5 and the third inclined plate 1-6, and the stability is good. Other components and connections are the same as those in the first embodiment.
The third concrete implementation mode: as shown in fig. 1, 2 and 5, the base 1-1 of the present embodiment is a rectangular base, the length of the base 1-1 is 470mm, the width of the base 1-1 is 230mm, the thickness of the base 1-1 is 32mm, a hollow groove is formed on the bottom end surface of the base 1-1, and the height of the hollow groove is 5 mm. By the design, the hollow groove can reduce the weight of the base 1-1, and meanwhile, the base 1-1 is large in area and not easy to maintain the flatness, and the large hollow groove can maintain the flatness of the base 1-1. Other components and connection relationships are the same as those in the first or second embodiment.
The fourth concrete implementation mode: as shown in fig. 1 and 5, U-shaped grooves are correspondingly formed in the middle portions of the two ends of the base 1-1 of the present embodiment, the width of the U-shaped groove is 18mm, and the length of the U-shaped groove is 20 mm. By the design, the middle parts of the two ends of the base 1-1 are respectively provided with a U-shaped groove which can be matched with a machine tool to fix the clamp body 1 on a machine tool platform by bolts. Other components and connection relationships are the same as those in the third embodiment.
The fifth concrete implementation mode: as shown in fig. 1, 2 and 3, the first ribs 1-2 of the present embodiment have a length of 123mm, the first ribs 1-2 have a width of 60mm, the first ribs 1-2 have a thickness of 15mm, and the second ribs 1-3 have a thickness of 15 mm. By the design, the third inclined plate 1-6 can be fixed on the first rib plate 1-2 through welding, and the first inclined plate 1-4 can be fixed on the second rib plate 1-3 through welding. The other components and the connection relations are the same as those of the first, second or fourth embodiment.
The sixth specific implementation mode: as shown in fig. 2 and 3, the first swash plate 1-4 of the present embodiment has a length of 390mm, a width of 87mm for the first swash plate 1-4, a thickness of 20mm for the first swash plate 1-4, and both upper end surfaces of 6 × 45 ° chamfered for the first swash plate 1-4. Due to the design, the two surfaces of the upper end of the first inclined plate 1-4 are chamfered, so that the first inclined plate 1-4 and the second inclined plate 1-5 can be welded conveniently. The other components and the connection relationship are the same as those in the fifth embodiment.
The seventh embodiment: as shown in fig. 1 and 2, the length of the second swash plate 1-5 of the present embodiment is 390mm, the width of the second swash plate 1-5 is 48mm, the thickness of the second swash plate 1-5 is 18mm, and the diagonal corners of both sides of the second swash plate 1-5 are chamfered at 6 × 45 °. Due to the design, the diagonal chamfers on the two sides of the second inclined plate 1-5 are convenient for welding the second inclined plate 1-5 and the third inclined plate 1-6.
Other components and connections are the same as in the first, second, fourth or sixth embodiments.
The specific implementation mode is eight: as shown in fig. 1 and 2, the third swash plate 1-6 of the present embodiment has a length of 390mm, a width of 90mm, a thickness of 20mm, and a lower end surface chamfered at 6 × 45 ° with respect to the third swash plate 1-6. Due to the design, the lower end face of the third inclined plate 1-6 is chamfered, so that the third inclined plate 1-6 and the second inclined plate 1-5 can be welded conveniently. Other components and connection relationships are the same as those in the seventh embodiment.
The specific implementation method nine: as shown in fig. 1, the length of the pressing plate 3 of the present embodiment is 180mm, the width of the pressing plate 3 is 40mm, the thickness of the pressing plate 3 is 30mm, and the number of the pressing plates 3 chamfered by 30 ° on both sides of the upper end surface of the pressing plate 3 is three. So design, compress tightly the turbine blade through three clamp plates 3 jointly. Other components and connection relationships are the same as those in the first, second, fourth, sixth or eighth embodiments.
The detailed implementation mode is ten: as shown in fig. 1, a waist hole 3-1 is formed in the platen 3 of the present embodiment along the longitudinal direction thereof, and a stud bolt 5 is inserted into the waist hole 3-1. By such design, the pressing position of the pressing plate 3 can be adjusted. The other components and the connection relationship are the same as those in the ninth embodiment.
Claims (10)
1. The utility model provides a processing nuclear turbine blade inclined plane special positioning tool, processing nuclear turbine blade inclined plane special positioning tool includes the anchor clamps body (1), a plurality of clamp plate (3), a plurality of cylindric lock (2), a plurality of hexagon nut (4), a plurality of stud (5) and a plurality of cylinder holding screw (6), its characterized in that: the clamp body (1) comprises a base (1-1), a first inclined plate (1-4), a second inclined plate (1-5), a third inclined plate (1-6), a plurality of first rib plates (1-2) and a plurality of second rib plates (1-3), wherein the first rib plates (1-2) and the second rib plates (1-3) are vertically arranged on the upper end surface of the base (1-1), the first rib plates (1-2) are arranged at intervals along the length direction of the clamp body (1), the second rib plates (1-3) are arranged at intervals along the length direction of the clamp body (1), the number of the first rib plates (1-2) is consistent with that of the second rib plates (1-3), and the first rib plates (1-2) and the second rib plates (1-3) are correspondingly arranged along the width direction of the clamp body (1), a plurality of first rib plates (1-2) are processed with coplanar first inclined planes, the included angle between the first inclined planes and the horizontal plane is 50 degrees, a plurality of second rib plates (1-3) are processed with coplanar second inclined planes, the first inclined planes and the second inclined planes are arranged in parallel, the upper parts of the second rib plates (1-3) are processed with third inclined planes, the third inclined planes and the second inclined planes are arranged in a mutually vertical way, the first inclined plates (1-4) are flatly laid on the second inclined planes, the upper end surfaces of the first inclined plates (1-4) are arranged in a coplanar way, the second inclined plates (1-5) are flatly laid on the third inclined planes and the first inclined plates (1-4), the third inclined plates (1-6) are flatly laid on the first inclined planes, the lower end surfaces of the third inclined plates (1-6) are contacted with the upper end surfaces of the second inclined plates (1-5), a press plate (3) is arranged on the first inclined planes through a stud bolt (5) and a cylindrical head fastening screw (6), the lower portion of the stud bolt (5) is in threaded connection with the first inclined plate (1-4), the upper portion of the stud bolt (5) penetrates through the pressing plate (3) to be in threaded connection with the hexagon nut (4), the cylindrical head set screw (6) is in threaded connection with the pressing plate (3), the cylindrical head of the cylindrical head set screw (6) abuts against the upper end face of the pressing plate (3), and the plurality of cylindrical pins (2) are inserted into the third inclined plate (1-6).
2. The special positioning tool for machining the inclined plane of the nuclear turbine blade as claimed in claim 1, wherein the special positioning tool comprises: the number of the first rib plates (1-2) and the number of the second rib plates (1-3) are three.
3. The special positioning tool for machining the inclined plane of the nuclear turbine blade as claimed in claim 1 or 2, wherein: the base (1-1) is a cuboid base, the length of the base (1-1) is 470mm, the width of the base (1-1) is 230mm, the thickness of the base (1-1) is 32mm, a hollow groove is processed on the bottom end face of the base (1-1), and the height of the hollow groove is 5 mm.
4. The special positioning tool for machining the inclined plane of the nuclear turbine blade as claimed in claim 3, wherein the special positioning tool comprises: u-shaped grooves are correspondingly processed in the middle parts of two ends of the base (1-1), the width of each U-shaped groove is 18mm, and the length of each U-shaped groove is 20 mm.
5. The special positioning tool for machining the blade inclined plane of the nuclear turbine as claimed in claim 1, 2 or 4, wherein: the length of the first rib plate (1-2) is 123mm, the width of the first rib plate (1-2) is 60mm, the thickness of the first rib plate (1-2) is 15mm, and the thickness of the second rib plate (1-3) is 15 mm.
6. The special positioning tool for machining the inclined plane of the nuclear turbine blade as claimed in claim 5, wherein the special positioning tool comprises: the length of the first inclined plate (1-4) is 390mm, the width of the first inclined plate (1-4) is 87mm, the thickness of the first inclined plate (1-4) is 20mm, and the two surfaces of the upper end of the first inclined plate (1-4) are chamfered at 6 multiplied by 45 degrees.
7. The special positioning tool for machining the blade inclined plane of the nuclear turbine as claimed in claim 1, 2, 4 or 6, wherein: the length of the second inclined plate (1-5) is 390mm, the width of the second inclined plate (1-5) is 48mm, the thickness of the second inclined plate (1-5) is 18mm, and the diagonal angles at the two sides of the second inclined plate (1-5) are chamfered at 6 multiplied by 45 degrees.
8. The special positioning tool for machining the inclined plane of the nuclear turbine blade as claimed in claim 7, wherein the special positioning tool comprises: the length of the third inclined plate (1-6) is 390mm, the width of the third inclined plate (1-6) is 90mm, the thickness of the third inclined plate (1-6) is 20mm, and the lower end surface of the third inclined plate (1-6) is chamfered at 6 multiplied by 45 degrees.
9. The special positioning tool for machining the inclined plane of the nuclear turbine blade as claimed in claim 1, 2, 4, 6 or 8, wherein: the length of the pressing plate (3) is 180mm, the width of the pressing plate (3) is 40mm, the thickness of the pressing plate (3) is 30mm, the two sides of the upper end face of the pressing plate (3) are chamfered by 30 degrees, and the number of the pressing plates (3) is three.
10. The special positioning tool for machining the inclined plane of the nuclear turbine blade as claimed in claim 9, wherein: waist holes (3-1) are processed on the pressing plate (3) along the length direction of the pressing plate, and the stud bolts (5) are arranged on the waist holes (3-1) in a penetrating mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920960671.0U CN209970472U (en) | 2019-06-24 | 2019-06-24 | Special positioning tool for machining blade inclined plane of nuclear turbine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920960671.0U CN209970472U (en) | 2019-06-24 | 2019-06-24 | Special positioning tool for machining blade inclined plane of nuclear turbine |
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| CN209970472U true CN209970472U (en) | 2020-01-21 |
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| CN201920960671.0U Active CN209970472U (en) | 2019-06-24 | 2019-06-24 | Special positioning tool for machining blade inclined plane of nuclear turbine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112975495A (en) * | 2021-03-03 | 2021-06-18 | 景德镇明兴航空锻压有限公司 | Horizontal fixture for processing turbine blade |
-
2019
- 2019-06-24 CN CN201920960671.0U patent/CN209970472U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112975495A (en) * | 2021-03-03 | 2021-06-18 | 景德镇明兴航空锻压有限公司 | Horizontal fixture for processing turbine blade |
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