CN205271457U - A anchor clamps for processing turbine blade steam passage - Google Patents
A anchor clamps for processing turbine blade steam passage Download PDFInfo
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- CN205271457U CN205271457U CN201620031692.0U CN201620031692U CN205271457U CN 205271457 U CN205271457 U CN 205271457U CN 201620031692 U CN201620031692 U CN 201620031692U CN 205271457 U CN205271457 U CN 205271457U
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Abstract
The utility model provides an anchor clamps for processing turbine blade steam passage, relates to the anchor clamps field of turbine blade steam passage. The utility model relates to a solve the present clamping unstability that exists in digital control processing steam passage molded lines, type line block location is inaccurate, results in the problem that blade processingquality is poor. The utility model discloses the connection pad, press from both sides tight seat, the molded lines locating piece, the positioning seat presss from both sides tight block group with the molded lines and becomes frame rack structure with blade retention, the connection pad is fixed on the lathe, the molded lines end of molded lines locating piece is connected to blade root inner arc molded lines, the positioning seat is U type groove structure, and blade and locating piece parcel are at the U of positioning seat type inslot, positioning seat and molded lines positioning block connection, two lateral walls of violently holding of leading edge and lagging edge and positioning seat of blade are connected, blade root back of the body arc is connected with the one end that the molded lines pressed from both sides tight piece, the other end that the molded lines pressed from both sides tight piece passes through the tight seat of cylindrical end screw connection clamp. It is used for pressing from both sides tight blade.
Description
Technical field
The utility model relates to a kind of fixture for processing gas passageway of blade of steam turbine. Belong to the fixture field of gas passageway of blade of steam turbine.
Background technology
Some Criteria of blade twist of steam turbine is bigger so that blade root partial admission limit and exit edge overlapping area are very little, and the situation that there is clamping shakiness when digital control processing steam passage occurs. Location is inaccurate, and clamping is unstable very easily causes waste product in process for processing. The quality control of product is had a great impact.
Practical novel content
The utility model existing there is clamping instability when digital control processing steam passage to solve, and type line block location is inaccurate, causes the problem of blade processing quality difference. A kind of fixture for processing gas passageway of blade of steam turbine is now provided.
A kind of fixture for processing gas passageway of blade of steam turbine, it comprises connection dish, side's head cylindrical end screw, the thin nut of hexagonal, clamping seats, steady brace, type line preset pieces, slotted screw, location seat, flat key, side's head screw with round head, hex-nut, cylinder pin, interior hexagonal cylindrical head screw and the tight block of type wire clamp
Clamping seats, type line preset pieces, location seat and the tight block of type wire clamp are all arranged on the upper end of connection dish,
Connection dish is disc-shaped structure, arranges steady brace in the central position of connection dish, and by blade bottom, dish is fixed together steady brace with being connected;
The type line end card hinge root inner arc type line side of type line preset pieces, location seat is U-type groove structure, and blade and preset pieces are wrapped in the U-type groove of location seat, and the perpendicular end of of location seat is connected by the positioning end of slotted screw with type line preset pieces,
Location seat is all fixed on connection dish by cylinder pin and interior hexagonal cylindrical head screw by the upper surface of two horizontal ends of location seat, and the sidewall of two the horizontal ends in the admission limit of blade and exit edge and location seat is fixedly connected with hex-nut by side's head screw with round head,
The inner side card hinge root back of the body arc side of the tight block of type wire clamp, the outside connecting cylinder end screw of the tight block of type wire clamp, on cylindrical end screw, cover has clamping seats and the thin nut of hexagonal, the thin nut of hexagonal for locking clamping seats,
Clamping seats is fixed on connection dish by the upper surface of clamping seats by interior hexagonal cylindrical head screw.
The beneficial effects of the utility model are: the clamping parts adopting the tight block composition tower structure stator blades of connection dish, clamping seats, type line preset pieces, location seat and type wire clamp, then screw is passed through, tower structure is positioned and clamps by nut and steady brace, making it stablize non rotating in the process in digital control processing vapour road, type line block location ensures its accurate positioning. The design of this structure not only meets the processing request in this type of blade vapour road but also realizes fixture General design, greatly saves manufacturing cost. Improve the processing quality of blade. Blade qualification rate is made to promote about 15%, for solid foundation has been established in follow-up assembling.
Accompanying drawing explanation
Fig. 1 is the front view of a kind of fixture for processing gas passageway of blade of steam turbine described in embodiment one;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the front view of turbine blade, and Reference numeral 16 is vapour road part, and Reference numeral 17 is blade root, and Reference numeral 18 is blade root inner arc, and Reference numeral 19 is blade root back of the body arc;
Fig. 4 is the vertical view of Fig. 3, and Reference numeral 20 is admission limit, and Reference numeral 21 is exit edge.
Embodiment
Embodiment one: present embodiment is specifically described referring to figs. 1 through Fig. 4, a kind of fixture for processing gas passageway of blade of steam turbine described in present embodiment, it comprises connection dish 1, side's head cylindrical end screw 2, the thin nut of hexagonal 3, clamping seats 4, steady brace 5, type line preset pieces 6, slotted screw 7, location seat 8, flat key 9, side's head screw with round head 10, hex-nut 11, cylinder pin 12, interior hexagonal cylindrical head screw 13 and the tight block 14 of type wire clamp
Clamping seats 4, type line preset pieces 6, location seat 8 and the tight block 14 of type wire clamp are all arranged on the upper end of connection dish 1,
Connection dish 1 is disc-shaped structure, arranges steady brace 5 in the central position of connection dish 1, and by blade bottom, dish 1 is fixed together steady brace 5 with being connected;
The type line end card hinge root inner arc type line side of type line preset pieces 6, location seat 8 be U-type groove structure, and blade and preset pieces 6 are wrapped in the U-type groove of location seat 8, and perpendicular end of of location seat 8 is connected by the positioning end of slotted screw 7 with type line preset pieces 6,
Location seat 8 is all fixed on connection dish 1 by cylinder pin 12 and interior hexagonal cylindrical head screw 13 by the upper surface of two horizontal ends of location seat 8, the sidewall of 8 two the horizontal ends in the admission limit of blade and exit edge and location seat is fixedly connected with hex-nut 11 by side's head screw with round head 10
The inner side card hinge root back of the body arc side of the tight block 14 of type wire clamp, the outside connecting cylinder end screw 2 of the tight block 14 of type wire clamp, on cylindrical end screw 2, cover has clamping seats 4 and the thin nut 3 of hexagonal, the thin nut 3 of hexagonal for locking clamping seats 4,
Clamping seats 4 is fixed on connection dish 1 by the upper surface of clamping seats 4 by interior hexagonal cylindrical head screw 13.
Specific embodiment:
First fixture is connected on numerically-controlled machine, blade to be processed is placed in jig frame and ensures that blade root end face and steady brace 5 end contact complete the location of length direction. Blade root inner arc and framework inner mold line preset pieces 6 have been in close contact the location of axial direction due. Next screws admission limit or exit edge and blade root back of the body arc clamping mechanism screw completes clamping. The clamping that blade shroud portion completes whole processing part is held out against finally by lathe self thimble.
Embodiment two: present embodiment is described further by a kind of fixture for processing gas passageway of blade of steam turbine described in embodiment one, in present embodiment, it also comprises be located by connecting boss and flat key, be located by connecting one end of boss position connects the central position bottom connection dish 1, be located by connecting the other end connecting machine tool of boss position, and flat key is arranged on the bottom of connection dish 1.
Embodiment three: present embodiment is described further by a kind of fixture for processing gas passageway of blade of steam turbine described in embodiment two, in present embodiment, evenly being provided with four U grooves on connection dish 1, these four U grooves are fixedly connected with lathe by bolt.
Principle of work: first design connection dish 1, according to selecting process for processing numerically-controlled machine, the connection dish of design suitable dimension size and �� C and H. Position size Design Orientation according to connection hole, lathe center connects boss �� A size size and positioning element flat key 9, finally designs U groove and is fixed with lathe by bolt and is connected.
The design of clamping blade-section
According to locating and machining demand, fixture is taked with type line location radial in blade root admission limit or blade root exit edge and blade root, blade root back of the body arc auxiliary clamp mode. Specific as follows, first should ensure that the center of blade to be processed is consistent with the center with fixture. The corresponding design framework part 8 of size according to blade root locates seat, according to the tolerance of dimension on the blade root admission limit of blade to be processed and exit edge size design L. Secondly in order to the processing needs fixture of satisfied different length blade root is at bottom design steady brace 5. Finally design part type line preset pieces 6 according to blade root inner arc type line to be fixed on the seat 8 of location by slotted screw 7. By cylinder pin 12 and interior hexagonal cylindrical head screw 13, dish 1 connects location seat 8 with being connected. Complete the localization part design of fixture like this. In order to better be clamped in location seat 8 admission limit and exit edge thread mill drilling by square head cylindrical end screw 10, hex-nut 11 auxiliary jacking.
Gripping portion designs, and carries on the back arc direction blade root and designs the clamping mechanism being made up of side's head screw with round head 2, the thin nut 3 of hexagonal, clamping seats 4. By interior hexagonal cylindrical head screw 13, dish 1 connects with being connected. The arc tight block 14 of partial design type wire clamp is carried on the back blade root in order to increase clamping force. Step up area. Ensure the stability in the course of processing. Complete the global design of this sleeve clamp like this.
Claims (3)
1. one kind for processing the fixture of gas passageway of blade of steam turbine, it is characterized in that, it comprises connection dish (1), side's head cylindrical end screw (2), the thin nut of hexagonal (3), clamping seats (4), steady brace (5), type line preset pieces (6), slotted screw (7), location seat (8), flat key (9), side's head screw with round head (10), hex-nut (11), cylinder pin (12), interior hexagonal cylindrical head screw (13) and the tight block of type wire clamp (14)
Clamping seats (4), type line preset pieces (6), location seat (8) and the tight block of type wire clamp (14) are all arranged on the upper end of connection dish (1),
Connection dish (1) is disc-shaped structure, arranges steady brace (5) in the central position of connection dish (1), and by blade bottom, dish (1) is fixed together steady brace (5) with being connected;
The type line end card hinge root inner arc type line side of type line preset pieces (6), location seat (8) is U-type groove structure, and blade and preset pieces (6) are wrapped in the U-type groove of location seat (8), the perpendicular end of of location seat (8) is connected by the positioning end of slotted screw (7) with type line preset pieces (6)
The upper surface of two horizontal ends of location seat (8) all will be located seat (8) by cylinder pin (12) and interior hexagonal cylindrical head screw (13) and will be fixed on connection dish (1), the sidewall of (8) two the horizontal ends in the admission limit of blade and exit edge and location seat is fixedly connected with hex-nut (11) by side's head screw with round head (10)
The card hinge root back of the body arc side, inner side of the tight block of type wire clamp (14), outside connecting cylinder end screw (2) of the tight block of type wire clamp (14), the upper cover of cylindrical end screw (2) has clamping seats (4) and the thin nut of hexagonal (3), the thin nut of hexagonal (3) is for locking clamping seats (4)
Clamping seats (4) is fixed on connection dish (1) by the upper surface of clamping seats (4) by interior hexagonal cylindrical head screw (13).
2. a kind of fixture for processing gas passageway of blade of steam turbine according to claim 1, it is characterized in that, it also comprises be located by connecting boss and flat key, be located by connecting boss position one end connect connection dish (1) bottom central position, be located by connecting the other end connecting machine tool of boss position, and flat key is arranged on the bottom of connection dish (1).
3. a kind of fixture for processing gas passageway of blade of steam turbine according to claim 2, it is characterised in that, connection dish (1) is evenly provided with four U grooves, these four U grooves are fixedly connected with lathe by bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620031692.0U CN205271457U (en) | 2016-01-13 | 2016-01-13 | A anchor clamps for processing turbine blade steam passage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620031692.0U CN205271457U (en) | 2016-01-13 | 2016-01-13 | A anchor clamps for processing turbine blade steam passage |
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| Publication Number | Publication Date |
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| CN205271457U true CN205271457U (en) | 2016-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620031692.0U Active CN205271457U (en) | 2016-01-13 | 2016-01-13 | A anchor clamps for processing turbine blade steam passage |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106002054A (en) * | 2016-07-26 | 2016-10-12 | 苏州工业职业技术学院 | Clamping device for split-type metal blade butt-welding |
| CN108747520A (en) * | 2018-05-29 | 2018-11-06 | 江苏大学 | A kind of adjustable fixture based on blade root contour localization |
| CN109014354A (en) * | 2018-07-25 | 2018-12-18 | 哈尔滨汽轮机厂有限责任公司 | A method of processing rivet heads of turbine blades on milling machine |
| CN109079549A (en) * | 2018-08-08 | 2018-12-25 | 哈尔滨汽轮机厂有限责任公司 | A kind of inner arc locating piece and its processing method |
| CN112536386A (en) * | 2020-11-16 | 2021-03-23 | 中国航发沈阳黎明航空发动机有限责任公司 | Special blade shape correcting tool clamp |
| CN112743364A (en) * | 2020-12-30 | 2021-05-04 | 德阳六合能源材料有限公司 | Clamp for machining steam turbine blade steam passage profile |
| CN113385962A (en) * | 2021-07-09 | 2021-09-14 | 抚州长丰机械有限责任公司 | Finish turning cylinder body straight hole clamp |
| CN113579803A (en) * | 2021-08-18 | 2021-11-02 | 哈尔滨汽轮机厂有限责任公司 | Special blade milling steam passage clamp for five-axis numerical control machine tool and machining method |
| CN113770428A (en) * | 2020-06-09 | 2021-12-10 | 中国航发商用航空发动机有限责任公司 | Combined machining tool and combined machining method for bearing support plate |
-
2016
- 2016-01-13 CN CN201620031692.0U patent/CN205271457U/en active Active
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106002054A (en) * | 2016-07-26 | 2016-10-12 | 苏州工业职业技术学院 | Clamping device for split-type metal blade butt-welding |
| CN108747520A (en) * | 2018-05-29 | 2018-11-06 | 江苏大学 | A kind of adjustable fixture based on blade root contour localization |
| CN108747520B (en) * | 2018-05-29 | 2020-03-31 | 江苏大学 | Adjustable clamp based on blade root inclined plane positioning |
| CN109014354A (en) * | 2018-07-25 | 2018-12-18 | 哈尔滨汽轮机厂有限责任公司 | A method of processing rivet heads of turbine blades on milling machine |
| CN109079549A (en) * | 2018-08-08 | 2018-12-25 | 哈尔滨汽轮机厂有限责任公司 | A kind of inner arc locating piece and its processing method |
| CN113770428A (en) * | 2020-06-09 | 2021-12-10 | 中国航发商用航空发动机有限责任公司 | Combined machining tool and combined machining method for bearing support plate |
| CN113770428B (en) * | 2020-06-09 | 2022-08-02 | 中国航发商用航空发动机有限责任公司 | Combined machining method of bearing support plate |
| CN112536386A (en) * | 2020-11-16 | 2021-03-23 | 中国航发沈阳黎明航空发动机有限责任公司 | Special blade shape correcting tool clamp |
| CN112536386B (en) * | 2020-11-16 | 2022-08-02 | 中国航发沈阳黎明航空发动机有限责任公司 | Special blade shape correcting tool clamp |
| CN112743364A (en) * | 2020-12-30 | 2021-05-04 | 德阳六合能源材料有限公司 | Clamp for machining steam turbine blade steam passage profile |
| CN112743364B (en) * | 2020-12-30 | 2022-04-01 | 德阳六合能源材料有限公司 | Clamp for machining steam turbine blade steam passage profile |
| CN113385962A (en) * | 2021-07-09 | 2021-09-14 | 抚州长丰机械有限责任公司 | Finish turning cylinder body straight hole clamp |
| CN113579803A (en) * | 2021-08-18 | 2021-11-02 | 哈尔滨汽轮机厂有限责任公司 | Special blade milling steam passage clamp for five-axis numerical control machine tool and machining method |
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