CN106514352A - Engagement fixture for square steel blade milling - Google Patents
Engagement fixture for square steel blade milling Download PDFInfo
- Publication number
- CN106514352A CN106514352A CN201611234892.7A CN201611234892A CN106514352A CN 106514352 A CN106514352 A CN 106514352A CN 201611234892 A CN201611234892 A CN 201611234892A CN 106514352 A CN106514352 A CN 106514352A
- Authority
- CN
- China
- Prior art keywords
- leading screw
- biting teeth
- square steel
- hole
- screw
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
Abstract
The invention provides an engagement fixture for square steel blade milling, and can solve the problems of long blade manufacturing period and high machining difficulty easily caused by positioning and clamping blades by a traditional engagement fixture. The engagement fixture for square steel blade milling comprises a turntable, and is characterized by further comprising an engagement clamping mechanism and a floating tip mechanism; the engagement clamping mechanism includes two engagement blocks and a lead screw translation structure; the lead screw translation mechanism is mounted on the turntable; the floating tip mechanism is arranged in the center position of the lead screw translation mechanism; and the two engagement blocks are respectively mounted on the lead screw translation mechanism, are positioned on two sides of the floating tip mechanism, and can oppositely or reversely move along the lead screw translation mechanism.
Description
Technical field
The present invention relates to the frock clamp field of blade processing, presss from both sides particularly for the biting teeth of square steel class blade Milling Process
Tool.
Background technology
With the continuous development of blade design investigative technique, the also more and more higher of the requirement to vane manufacturing precision, some biographies
The fixture of system can not meet now vaned requirement on machining accuracy with installation way.At present, square steel class blade Milling Process
The fixture for adopting is LANG board biting teeth fixtures, and which is fixed so that sagittal plane, blade root outlet side and blade root axial end are carried on the back in blade root
Position, is compressed with integral shroud centre bore auxiliary positioning, therefore in order to meet integral shroud position accuracy demand, generally requires the back of the body radial direction in blade root
Face, blade root outlet side and blade root axial end increase technological datum face and ensure integral shroud centre bore relative to technological datum face
Positional precision, thereby increase vane manufacturing cycle and difficulty of processing.
The content of the invention
For the problems referred to above, the invention provides for the biting teeth fixture of square steel class blade Milling Process, which can solve to adopt
The big problem of vane manufacturing cycle length, difficulty of processing is easily caused with existing biting teeth fixture positioning and clamping blade.
Its technical scheme is that for the biting teeth fixture of square steel class blade Milling Process, which includes rotary disk, and its feature exists
In：Which also includes biting teeth clamp system and floating centre mechanism, and the biting teeth clamp system includes that two biting teeth blocks and leading screw are flat
Structure is moved, the leading screw translation structure is installed on the rotary disk, the floating centre mechanism is arranged at the leading screw translation
The center of structure, described two biting teeth blocks are respectively arranged on the leading screw translation structure and are located at the floating centre machine
The both sides of structure, and described two biting teeth blocks can be moved towards or dorsad be moved along the leading screw translation structure.
Further, the floating centre mechanism includes dead head, top and spring, offers vertical in the dead head
Blind hole groove, the vertical blind hole groove inner bottom part are provided with the spring, described top to be also installed in the vertical blind hole groove simultaneously
And the top bottom exposes to the dead head top planes, the top taper by the spring supporting, conical top
Top coordinates positioning, dead head top planes and square steel class blade root axial end with square steel class blade root end-face central hole
Contact positioning, the dead head are provided with the radial hole with the vertical blind hole groove UNICOM, and the radial hole screw-internal thread fit has
Top housing screw and the top housing screw top are held out against with described.
Further, kidney slot is additionally provided with the top periphery wall, the dead head is provided with and the vertical blind hole
The set screw hole of interior UNICOM, is equipped with holding screw in the set screw hole, the holding screw passes through the clamp screw
Stretch into after pit in the kidney slot.
Further, the top periphery wall is provided with wedge-shaped slot, and the wedge-shaped slot is just right with the radial hole, the top
Sharp housing screw is stretched into through after the radial hole and is held out against with top in the wedge-shaped slot.
Further, the top bottom is provided with support shaft with one heart, and the spring is placed on the support shaft periphery.
Further, the leading screw translation structure includes leading screw and leading screw positioning seat, and the floating centre group point is installed on
On the leading screw positioning seat, the leading screw positioning seat is installed in the revolution disk center, and the leading screw positioning seat is provided with and laterally passes through
Perforation, the leading screw extend transversely through the leading screw positioning seat, the hand of spiral of the leading screw both sides by the hole that extends transversely through
Conversely, described two biting teeth blocks are threadedly connected to the both sides of the leading screw respectively.
Further, the periphery of the middle position of the leading screw axial direction is provided with annular groove, the length of the annular groove
Hole length is extended transversely through more than the leading screw positioning seat, the leading screw positioning seat is by the borehole jack that extends transversely through in the annular
Can slide in described extending transversely through in hole in annular groove face on the groove face of groove so as to the leading screw.
Further, the profile of tooth block includes profile of tooth support block and biting teeth gripping block, the profile of tooth support block threaded connection
On the leading screw, at the top of the profile of tooth support block, biting teeth gripping block bottom be respectively equipped with biting teeth face, the profile of tooth support block top
Portion biting teeth face is connected with the biting teeth gripping block bottom biting teeth face, between the profile of tooth support block and the biting teeth gripping block
Locked by fastening bolt.
Compared with existing biting teeth fixture, beneficial effect of the present invention is：
（1）Which passes through floating centre mechanism and the root center hole of square steel blade, blade root axial end is positioned, by leading screw
Translation structure drives two biting teeth blocks to clamp the both sides of square steel blade from two sides, therefore which only needs to root center is pre-machined
Hole benchmark, and need not process, so as to effectively shorten the manufacture of blade
In the cycle, reduce the manufacture difficulty of processing of blade；
（2）It is fixed which is carried out to the axial end of square steel class blade root by the top planes of the dead head of floating centre mechanism
Position, such that it is able to reduce the processing request to blade root end face center hole depth, further reduces vane manufacturing difficulty of processing；
（3）Which is stretched into by the holding screw being arranged on dead head and arrange in kidney slot so as to carry out to top on top periphery
It is radially spacing, it is ensured that top that radial rotating will not occur, it is ensured that the reliability of the blade root end face of blade is held out against；
（4）Which passes through for the screw thread of the leading screw both sides of leading screw translation mechanism to be arranged to rightabout, can drive two biting teeth blocks
Move in opposite directions or dorsad simultaneously, so as to realize to clamping while blade root two sides or unclamping, it is ensured that give blade and blade
Root both sides uniform force, further ensure that the reliable and stable clamping to blade；
（5）The length which passes through to be provided with annular groove and annular groove in the periphery of the middle position of leading screw axial direction is fixed more than leading screw
Position seat extends transversely through hole length, and leading screw positioning seat is by extending transversely through borehole jack on the groove face of annular groove such that it is able to
The automatic centering of both sides biting teeth block is realized, only needs to afterwards ensure the axiality of blade root end-face central hole and blade shroud centre bore
The positional precision of integral shroud after the completion of blade processing can be ensured, therefore processing technology datum level operation can be more removed, be reduced blade system
Cycle and cost are made, the reliable and stable clamping to blade is also can guarantee that；
（6）Its biting teeth block is arranged to the combining structure that bottom profile of tooth support block and top biting teeth gripping block are mutually twisted, so as to can
Different size square steel is adapted to by adjusting the relative position being engaged between top biting teeth gripping block and bottom profile of tooth support block
The clamping requirement of class blade, strengthens its versatility.
Description of the drawings
Fig. 1 is main structure diagram of the present invention for the biting teeth fixture of square steel class blade Milling Process；
P direction views of the Fig. 2 for Fig. 1；
Fig. 3 is the A-A of Fig. 2 to cross-sectional schematic；
Fig. 4 is top structural representation in the present invention；
Fig. 5 is to adopt biting teeth fixture of the present invention to carry out square steel class blade in the schematic diagram of positioning and clamping；
Fig. 6 is that the profile of tooth support block and biting teeth gripping block of biting teeth block in the present invention is adjusted and be engaged showing for clamping blade after relative position
It is intended to.
Reference：10- rotary disks；20- biting teeth clamp systems；21- biting teeth blocks；211- profile of tooth support blocks；212- biting teeths
Gripping block；213- biting teeths face；214- biting teeths face；215- fastening bolts；22- leading screw translation structures；221- leading screws；222- leading screws are fixed
Position seat；223- extends transversely through hole；224- annular grooves；30- floating centres mechanism；31- dead heads；The vertical blind hole grooves of 311-；
312- top planes；32- is top；321- bottoms；322- conical tops；323- kidney slots；324- wedge-shaped slots；325- support shafts；
33- springs；The top housing screws of 34-；35- holding screws；40- square steel class blades；41- square steel class blade root end face centers
Hole；42- square steel class blade root axial ends；43- blade shroud centre bores.
Specific embodiment
See Fig. 1～Fig. 3, the present invention includes rotary disk 10, biting teeth clamp system 20 and floating centre mechanism 30, and biting teeth is clamped
Mechanism 20 includes two biting teeth blocks 21 and leading screw translation structure 22, and leading screw translation structure 22 is installed on rotary disk 10, top of floating
Sharp mechanism 30 is arranged at the center of leading screw translation structure 20, and two biting teeth blocks 21 are respectively arranged in 22 on leading screw translation structure
And can move towards along leading screw translation structure 22 or dorsad move positioned at the both sides of floating centre mechanism 30, and two biting teeth blocks 21
It is dynamic.
Wherein, floating centre mechanism 30 includes dead head 31, top 32 and spring 33, offers vertical blind in dead head 31
Hole slot 311, vertical 311 inner bottom part of blind hole groove are provided with spring 33, top 32 be also installed on it is in vertical blind hole groove 311 and top
32 bottom 321 is supported by spring 33, conical top 322 exposes to the top planes 312 of dead head 31, top 32 taper top
Portion 322 coordinates positioning, dead head top planes 312 and square steel class blade root axle with square steel class blade root end-face central hole 41
Position to the contact of end face 42, dead head 31 is provided with the radial hole with vertical 311 UNICOM of blind hole groove, and radial hole screw-internal thread fit has
Top housing screw 34 and top housing screw 34 is held out against with top 32；
See Fig. 4, on top 32 periphery wall, be additionally provided with kidney slot 323, dead head 31 be provided with vertical blind hole 311 UNICOM it is tight
Determine screw hole, in set screw hole, be equipped with holding screw 35, holding screw 35 stretches into kidney slot 323 through after tightening screwed hole
It is interior and hold out against with top 32；Top 32 periphery wall is provided with wedge-shaped slot 324, and wedge-shaped slot 324 is just right with radial hole, top compression spiral shell
Nail 34 is stretched into through after radial hole and is held out against with top 32 in wedge-shaped slot 324；Top 32 bottom is provided with support shaft 325, bullet with one heart
Spring 33 is placed on 325 periphery of support shaft.
Leading screw translation structure 22 includes leading screw 221 and leading screw positioning seat 222, and the dead head 31 of floating centre mechanism is installed on
On leading screw positioning seat 222, leading screw positioning seat 222 is installed in 10 center of rotary disk, and leading screw positioning seat 222 is provided with and extends transversely through hole
223, leading screw 221 extends transversely through leading screw positioning seat 222 by extending transversely through hole 223, the hand of spiral of 221 both sides of leading screw conversely,
Two biting teeth blocks 21 are threadedly connected to the both sides of leading screw 221 respectively；It is recessed that the periphery of the middle position of 221 axial direction of leading screw is provided with annular
Groove 224, length L of annular groove 224 extend transversely through 223 length of hole more than leading screw positioning seat 222l, leading screw positioning seat 222 lead to
Cross to extend transversely through hole 223 and be placed on the groove face of annular groove 224 hole can be being extended transversely through so as to the annular groove face 224 of leading screw
Automatic centering function is slided and is played in 223, and the both sides cell wall of annular groove 224 can play axial limiting effect.
Biting teeth block 21 includes profile of tooth support block 211 and biting teeth gripping block 212, and profile of tooth support block 211 is threadedly connected to leading screw
On 221, the top of profile of tooth support block 211, the bottom of biting teeth gripping block 212 are respectively equipped with biting teeth face 213,214, profile of tooth support block
211 tops biting teeth face 213 are connected with the bottom biting teeth face 214 of biting teeth gripping block 212, and profile of tooth support block 211 is pressed from both sides with biting teeth
Locked by fastening bolt 215 between tight block 212.
During using biting teeth fixture of the present invention come positioning and clamping square steel class blade 40, top 32 are first ensured that in floating type
Then the blade root end-face central hole 41 of blade 40 is fitted by state with top 32 conical top 322, so as to limit blade 40 in X
Direction and the one-movement-freedom-degree of Y-direction, while ensureing that blade root axial end 42 and the top planes 312 of dead head 31 are pasted
Close, recycle 43 auxiliary positioning of blade shroud centre bore to compress so as to limit the one-movement-freedom-degree of blade Z-direction and around X
Axle, the rotary freedom of Y-axis rotation, then rotational lead screw 221 is so that two biting teeth blocks 21 are moved towards and compress 40 liang of blade
Side screws top housing screw 34 again with stationary center 32 so as to limit the rotational freedom for rotating about the z axis of blade, finally
Vertical position.
Claims (8)
1. the biting teeth fixture of square steel class blade Milling Process is used for, and which includes rotary disk（10）, it is characterised in that：Which also includes stinging
Tooth clamp system（20）With floating centre mechanism（30）, the biting teeth clamp system（20）Including two biting teeth blocks（21）And leading screw
Translation structure（22）, the leading screw translation structure（22）It is installed on the rotary disk（10）On, the floating centre mechanism（30）
It is arranged at the leading screw translation structure（22）Center, described two biting teeth blocks（21）It is respectively arranged in the leading screw translation
Structure（22）Go up and be located at the floating centre mechanism（30）Both sides, and described two biting teeth blocks（21）Can be along the leading screw
Translation structure（22）Move towards or dorsad move.
2. the biting teeth fixture for square steel class blade Milling Process according to claim 1, it is characterised in that：The floating
Tip mechanism（30）Including dead head（31）, it is top（32）And spring（33）, the dead head（31）Vertical blind hole is offered inside
Groove（311）, the vertical blind hole groove（311）Inner bottom part is provided with the spring（33）, it is described top（32）Also it is installed on described
Vertical blind hole groove（311）Interior and described top bottom（321）By the spring（33）Support, conical top（322）Expose
In the top planes of the dead head（312）, the top conical top（322）With square steel class blade root end-face central hole
（41）Coordinate positioning, dead head top planes（312）With square steel class blade root axial end（42）Contact positioning, it is described top
Seat（31）It is provided with and the vertical blind hole groove（311）The radial hole of UNICOM, the radial hole screw-internal thread fit have top compression
Screw（34）And the top housing screw（34）It is top with described（32）Hold out against.
3. the biting teeth fixture for square steel class blade Milling Process according to claim 2, it is characterised in that：It is described top
（32）Kidney slot is additionally provided with periphery wall（323）, the dead head（31）It is provided with and the vertical blind hole groove（311）Interior UNICOM
Set screw hole, be equipped with holding screw in the set screw hole（35）, the holding screw（35）Through the tightening
The kidney slot is stretched into after screwed hole（323）It is interior and top with described（32）Hold out against.
4. the biting teeth fixture for square steel class blade Milling Process according to claim 2, it is characterised in that：It is described top
（32）Periphery wall is provided with wedge-shaped slot（324）, the wedge-shaped slot（324）It is just right with the radial hole, the top housing screw
（34）The wedge-shaped slot is stretched into through after the radial hole（324）It is interior with it is top（32）Hold out against.
5. the biting teeth fixture for square steel class blade Milling Process according to claim 2, it is characterised in that：It is described top
（32）Bottom be provided with support shaft with one heart（325）, the spring（33）It is placed on the support shaft（325）Periphery.
6., according to arbitrary described biting teeth fixture for square steel class blade Milling Process in claim 1～6, its feature exists
In：The leading screw translation structure（22）Including leading screw（221）With leading screw positioning seat（222）, the floating centre mechanism（30）Peace
Loaded on the leading screw positioning seat（222）On, the leading screw positioning seat（222）It is installed in the rotary disk（10）Center, the silk
Thick stick positioning seat（222）It is provided with and extends transversely through hole（223）, the leading screw（221）Hole is extended transversely through by described（223）Extend transversely through
The leading screw positioning seat（222）, the leading screw（221）The hand of spiral of both sides is conversely, described two biting teeth blocks（21）Difference spiral shell
Line is connected to the leading screw（221）Both sides.
7. the biting teeth fixture for square steel class blade Milling Process according to claim 6, it is characterised in that：The leading screw
（221）The periphery of the middle position of axial direction is provided with annular groove（224）, the annular groove（224）Length L be more than the silk
Thick stick positioning seat（222）Extend transversely through hole（223）Lengthl, the leading screw positioning seat（222）Hole is extended transversely through by described
（223）It is placed on the annular groove（224）Groove face on so as to the annular groove of the leading screw（224）Can laterally pass through described
Perforation（223）Interior slip.
8. the biting teeth fixture for square steel class blade Milling Process according to claim 7, it is characterised in that：The profile of tooth
Block（21）Including profile of tooth support block（211）With biting teeth gripping block（212）, the profile of tooth support block（211）It is threadedly connected to described
Leading screw（221）On, the profile of tooth support block（211）Top, biting teeth gripping block（212）Bottom is respectively equipped with biting teeth face（213、
214）, biting teeth face at the top of the profile of tooth support block（213）With the biting teeth gripping block bottom biting teeth face（214）It is connected, institute
State profile of tooth support block（211）With the biting teeth gripping block（212）Between pass through fastening bolt（215）Locking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611234892.7A CN106514352B (en) | 2016-12-28 | 2016-12-28 | Biting teeth fixture for square steel class blade Milling Process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611234892.7A CN106514352B (en) | 2016-12-28 | 2016-12-28 | Biting teeth fixture for square steel class blade Milling Process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106514352A true CN106514352A (en) | 2017-03-22 |
| CN106514352B CN106514352B (en) | 2019-01-04 |
Family
ID=58339033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611234892.7A Active CN106514352B (en) | 2016-12-28 | 2016-12-28 | Biting teeth fixture for square steel class blade Milling Process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106514352B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107297696A (en) * | 2017-06-30 | 2017-10-27 | 苏州惠琪特电子科技有限公司 | A kind of bearing block fixture |
| CN107553169A (en) * | 2017-09-28 | 2018-01-09 | 中国航发动力股份有限公司 | One kind is used for aero-engine finish forge blade processing positioner |
| CN108413899A (en) * | 2017-12-13 | 2018-08-17 | 中国航发北京航空材料研究院 | A kind of positioning fixture to guide vane detection |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0436933A2 (en) * | 1990-01-10 | 1991-07-17 | Refurbished Turbine Components Limited | Apparatus for and methods of the repair of turbine blades |
| CN101786237A (en) * | 2009-12-29 | 2010-07-28 | 东方电气集团东方汽轮机有限公司 | Fixture used for processing small moving blade in turbine and processing method thereof |
| CN201720719U (en) * | 2010-06-30 | 2011-01-26 | 无锡润和叶片制造有限公司 | Universal fixture for milled root, assembling surface and molded surface of one-million KW turbine blade |
| US20110245908A1 (en) * | 2010-04-01 | 2011-10-06 | Abbott Cardiovascular Systems Inc. | Mandrels Supporting Medical Devices During Processing of the Medical Devices |
| CN206356940U (en) * | 2016-12-28 | 2017-07-28 | 无锡透平叶片有限公司 | A kind of biting teeth fixture for square steel class blade Milling Process |
-
2016
- 2016-12-28 CN CN201611234892.7A patent/CN106514352B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0436933A2 (en) * | 1990-01-10 | 1991-07-17 | Refurbished Turbine Components Limited | Apparatus for and methods of the repair of turbine blades |
| CN101786237A (en) * | 2009-12-29 | 2010-07-28 | 东方电气集团东方汽轮机有限公司 | Fixture used for processing small moving blade in turbine and processing method thereof |
| US20110245908A1 (en) * | 2010-04-01 | 2011-10-06 | Abbott Cardiovascular Systems Inc. | Mandrels Supporting Medical Devices During Processing of the Medical Devices |
| CN201720719U (en) * | 2010-06-30 | 2011-01-26 | 无锡润和叶片制造有限公司 | Universal fixture for milled root, assembling surface and molded surface of one-million KW turbine blade |
| CN206356940U (en) * | 2016-12-28 | 2017-07-28 | 无锡透平叶片有限公司 | A kind of biting teeth fixture for square steel class blade Milling Process |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107297696A (en) * | 2017-06-30 | 2017-10-27 | 苏州惠琪特电子科技有限公司 | A kind of bearing block fixture |
| CN107553169A (en) * | 2017-09-28 | 2018-01-09 | 中国航发动力股份有限公司 | One kind is used for aero-engine finish forge blade processing positioner |
| CN108413899A (en) * | 2017-12-13 | 2018-08-17 | 中国航发北京航空材料研究院 | A kind of positioning fixture to guide vane detection |
| CN108413899B (en) * | 2017-12-13 | 2021-03-26 | 中国航发北京航空材料研究院 | Positioning fixture for detecting guide vane |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106514352B (en) | 2019-01-04 |
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