CN206356940U - A kind of biting teeth fixture for square steel class blade Milling Process - Google Patents
A kind of biting teeth fixture for square steel class blade Milling Process Download PDFInfo
- Publication number
- CN206356940U CN206356940U CN201621453862.0U CN201621453862U CN206356940U CN 206356940 U CN206356940 U CN 206356940U CN 201621453862 U CN201621453862 U CN 201621453862U CN 206356940 U CN206356940 U CN 206356940U
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- CN
- China
- Prior art keywords
- biting teeth
- leading screw
- square steel
- hole
- steel class
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- 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.)
- Withdrawn - After Issue
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Abstract
The utility model provides a kind of biting teeth fixture for square steel class blade Milling Process, and it can be solved using the problem of existing biting teeth fixture positioning and clamping blade is easily caused vane manufacturing cycle length, difficulty of processing is big.It includes rotary disk, it is characterised in that：It also includes biting teeth clamp system and floating centre mechanism, biting teeth clamp system includes two biting teeth blocks and leading screw translation structure, leading screw translation structure is installed on rotary disk, floating centre mechanism is arranged at the center of leading screw translation structure, two biting teeth blocks are respectively arranged on leading screw translation structure and are located at the both sides of floating centre mechanism, and two biting teeth blocks can be moved towards along leading screw translation structure or dorsad moved.
Description
Technical field
The utility model is related to the frock clamp field of blade processing, is specially that one kind is used for square steel class blade Milling Process
Biting teeth fixture.
Background technology
With continuing to develop for blade design investigative technique, requirement to vane manufacturing precision also more and more higher, 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 used is LANG board biting teeth fixture, and it is fixed to carry on the back sagittal plane, blade root outlet side and blade root axial end 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 to carry on the back radially in blade root
Face, blade root outlet side and blade root axial end increase technological datum face simultaneously ensure integral shroud centre bore relative to technological datum face
Positional precision, thereby increase vane manufacturing cycle and difficulty of processing.
Utility model content
In view of the above-mentioned problems, the utility model provides a kind of biting teeth fixture for square steel class blade Milling Process, its
It can solve using the problem of existing biting teeth fixture positioning and clamping blade is easily caused vane manufacturing cycle length, difficulty of processing is big.
Its technical scheme is, a kind of biting teeth fixture for square steel class blade Milling Process, and it includes rotary disk, its feature
It is：It also includes biting teeth clamp system and floating centre mechanism, and the biting teeth clamp system includes two biting teeth blocks and leading screw
Translation structure, the leading screw translation structure is installed on the rotary disk, and the floating centre mechanism is arranged at the leading screw and put down
The center of structure is moved, described two biting teeth blocks are respectively arranged on the leading screw translation structure and positioned at the floating centre
The both sides of mechanism, and described two biting teeth blocks can move towards along the leading screw translation structure or dorsad move.
Further, the floating centre mechanism includes offering in dead head, top and spring, the dead head vertically
Blind hole groove, the vertical blind hole groove inner bottom part is 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 has provided with the radial hole with the vertical blind hole groove UNICOM, the radial hole screw-internal thread fit
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
Holding screw is equipped with the set screw hole of interior UNICOM, the set screw hole, the holding screw passes through the clamp screw
Stretched 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 passed through to stretch into after the radial hole and held out against in the wedge-shaped slot with top.
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 passed through provided with horizontal
Perforation, the leading screw extends transversely through the leading screw positioning seat, the hand of spiral of the leading screw both sides by the hole that extends transversely through
On the contrary, 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
It can be slided on the groove face of groove so as to the annular groove face of the leading screw in described extend transversely through in hole.
Further, the biting teeth block includes tooth form support block and biting teeth gripping block, the tooth form support block threaded connection
In on the leading screw, the tooth form support block top, biting teeth gripping block bottom are respectively equipped with biting teeth face, the tooth form support block top
Portion biting teeth face is connected with the biting teeth gripping block bottom biting teeth face, between the tooth form support block and the biting teeth gripping block
Locked by fastening bolt.
Compared with existing biting teeth fixture, the utility model beneficial effect is：
（1）It is positioned by floating centre mechanism to the root center hole of square steel blade, blade root axial end, is passed through
Leading screw translation structure drives two biting teeth blocks to clamp the both sides of square steel blade from two sides, therefore it only needs to that blade root is pre-machined
Centre bore benchmark, without back of the body sagittal plane, blade root outlet side positioning datum in processing blade root, so as to effectively shorten blade
Manufacturing cycle, reduce the manufacture difficulty of processing of blade；
（2）It is entered by the top planes of the dead head of floating centre mechanism come the axial end to square steel class blade root
Row positioning, so as to reduce the processing request to blade root end face center hole depth, further reduction vane manufacturing processing
Difficulty；
（3）It is stretched on top periphery by the holding screw being arranged on dead head and set in kidney slot so as to top
Carry out radially spacing, it is ensured that top to occur radial rotating, it is ensured that the reliable of blade root end face of blade is held out against；
（4）It can drive two to sting by the way that the screw thread of the leading screw both sides of leading screw translation mechanism is arranged into opposite direction
Tooth block is simultaneously opposite or dorsad moves, so as to clamp or unclamp while realization to blade root two sides, it is ensured that give leaf
Piece blade root both sides uniform force, further ensure that the reliable and stable clamping to blade；
（5）It is more than silk by length of the periphery provided with annular groove and annular groove of the middle position in leading screw axial direction
Thick stick positioning 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, so that
The automatic centering of both sides biting teeth block can be realized, only needs to ensure the same of blade root end-face central hole and blade shroud centre bore afterwards
Axle degree can ensure the positional precision of integral shroud after the completion of blade processing, therefore can more remove processing technology reference plane process, reduce leaf
Piece manufacturing cycle and cost, also can guarantee that the reliable and stable clamping to blade；
（6）Its biting teeth block is arranged to the combining structure that bottom tooth form support block is mutually twisted with top biting teeth gripping block, from
And different sizes can be adapted to by adjusting the relative position being engaged between top biting teeth gripping block and bottom tooth form support block
The clamping requirement of square steel class blade, strengthens its versatility.
Brief description of the drawings
Fig. 1 is a kind of main structure diagram of biting teeth fixture for square steel class blade Milling Process of the utility model；
Fig. 2 is Fig. 1 P direction views；
Fig. 3 for Fig. 2 A-A to schematic cross-sectional view；
Fig. 4 is structural representation top in the utility model；
Fig. 5 is that the schematic diagram of positioning and clamping is carried out to square steel class blade using the utility model biting teeth fixture；
Fig. 6 is that the tooth form support block of biting teeth block in the utility model is engaged clamping after relative position with the regulation of biting teeth gripping block
The schematic diagram of blade.
Reference：10- rotary disks；20- biting teeth clamp systems；21- biting teeth blocks；211- tooth form 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 determined
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.
Embodiment
See Fig. 1~Fig. 3, the utility model includes rotary disk 10, biting teeth clamp system 20 and floating centre mechanism 30, biting teeth
Clamp system 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, floats
Dynamic tip mechanism 30 is arranged at the center of leading screw translation structure 20, and two biting teeth blocks 21 are respectively arranged in leading screw translation structure
Upper 22 and positioned at the both sides of floating centre mechanism 30, and two biting teeth blocks 21 can move towards or carry on the back along leading screw translation structure 22
To movement.
Wherein, floating centre mechanism 30 includes offering in dead head 31, top 32 and spring 33, dead head 31 vertical blind
Hole slot 311, the vertical inner bottom part of blind hole groove 311 is 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
Contact and position to end face 42, dead head 31 has provided with the radial hole with the vertical UNICOM of blind hole groove 311, radial hole screw-internal thread fit
Top housing screw 34 and top housing screw 34 is held out against with top 32；
See and kidney slot 323 is additionally provided with Fig. 4, top 32 periphery wall, dead head 31 is provided with and UNICOM in vertical blind hole 311
Set screw hole, holding screw 35 is equipped with set screw hole, holding screw 35 stretches into kidney-shaped after passing through tightening screwed hole
Hold out against in groove 323 and 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
Housing screw 34 is passed through to stretch into after radial hole and held out against in wedge-shaped slot 324 with top 32；Top 32 bottom is provided with support shaft with one heart
325, spring 33 is placed on the periphery of support shaft 325.
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 the center of rotary disk 10, 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 spirals of the both sides of leading screw 221 on the contrary,
Two biting teeth blocks 21 are threadedly connected to the both sides of leading screw 221 respectively；The periphery of the middle position of the axial direction of leading screw 221 is recessed provided with annular
Groove 224, the length L of annular groove 224 extends transversely through the length of hole 223 more than leading screw positioning seat 222l, leading screw positioning seat 222 lead to
Cross and extend transversely through hole 223 and be placed on the groove face of annular groove 224 so as to which the annular groove face 224 of leading screw can extend transversely through hole
Slided in 223 and play automatic centering function, the both sides cell wall of annular groove 224 can play axial limiting effect.
Biting teeth block 21 includes tooth form support block 211 and biting teeth gripping block 212, and tooth form support block 211 is threadedly connected to leading screw
On 221, top, the bottom of biting teeth gripping block 212 of tooth form support block 211 are respectively equipped with biting teeth face 213,214, tooth form support block
211 tops biting teeth face 213 and the bottom biting teeth face 214 of biting teeth gripping block 212 are connected, and tooth form support block 211 is pressed from both sides with biting teeth
Locked between tight block 212 by fastening bolt 215.
During using the utility model biting teeth fixture come positioning and clamping square steel class blade 40, top 32 are first ensured that in floating
State, then fits the blade root end-face central hole 41 of blade 40 with top 32 conical top 322, exists so as to limit blade 40
The one-movement-freedom-degree of X-direction and Y-direction, while ensureing that the top planes 312 of blade root axial end 42 and dead head 31 are pasted
Close, recycle the auxiliary positioning of blade shroud centre bore 43 to compress 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 move towards and compress 40 liang of blade
Side finally screws top housing screw 34 with stationary center 32 again so as to limit the rotational freedom rotated about the z axis of blade
Vertical position.
Claims (8)
1. a kind of biting teeth fixture for square steel class blade Milling Process, it includes rotary disk（10）, it is characterised in that：It is also wrapped
Include biting teeth clamp system（20）With floating centre mechanism（30）, the biting teeth clamp system（20）Including two biting teeth blocks（21）With
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 described
Leading screw translation structure（22）Move towards or dorsad move.
2. a kind of biting teeth fixture for square steel class blade Milling Process according to claim 1, it is characterised in that：It is described
Floating centre mechanism（30）Including dead head（31）, it is top（32）And spring（33）, the dead head（31）Inside offer vertical
Blind hole 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
The vertical blind hole groove（311）Interior and described top bottom（321）By the spring（33）Support, conical top（322）
Expose to the top planes of the dead head（312）, the top conical top（322）With in square steel class blade root end face
Heart hole（41）Coordinate positioning, dead head top planes（312）With square steel class blade root axial end（42）Contact positioning, it is described
Dead head（31）It is provided with and the vertical blind hole groove（311）The radial hole of UNICOM, the radial hole screw-internal thread fit has top
Housing screw（34）And the top housing screw（34）With it is described top（32）Hold out against.
3. a kind of biting teeth fixture for square steel class blade Milling Process according to claim 2, it is characterised in that：It is described
It is 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）It is interior
Holding screw is equipped with the set screw hole of UNICOM, the set screw hole（35）, the holding screw（35）Through described
The kidney slot is stretched into after tightening screwed hole（323）It is interior and with it is described top（32）Hold out against.
4. a kind of biting teeth fixture for square steel class blade Milling Process according to claim 2, it is characterised in that：It is described
It is 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 compression
Screw（34）The wedge-shaped slot is stretched into after through the radial hole（324）It is interior with it is top（32）Hold out against.
5. a kind of biting teeth fixture for square steel class blade Milling Process according to claim 2, it is characterised in that：It is described
It is top（32）Bottom with one heart be provided with support shaft（325）, the spring（33）It is placed on the support shaft（325）Periphery.
6. according to a kind of any described biting teeth fixture for square steel class blade Milling Process, its feature in Claims 1 to 5
It is：The leading screw translation structure（22）Including leading screw（221）With leading screw positioning seat（222）, the floating centre mechanism（30）
It is installed on the leading screw positioning seat（222）On, the leading screw positioning seat（222）It is installed in the rotary disk（10）Center, it is described
Leading screw positioning seat（222）Provided with extending transversely through hole（223）, the leading screw（221）Hole is extended transversely through by described（223）Laterally pass through
Wear the leading screw positioning seat（222）, the leading screw（221）The hand of spiral of both sides is on the contrary, described two biting teeth blocks（21）Respectively
It is threadedly connected to the leading screw（221）Both sides.
7. a kind of biting teeth fixture for square steel class blade Milling Process according to claim 6, it is characterised in that：It is described
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 institute
State leading screw 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 leading screw annular groove（224）It can be passed through in the transverse direction
Perforation（223）It is interior to slide.
8. a kind of biting teeth fixture for square steel class blade Milling Process according to claim 7, it is characterised in that：It is described
Biting teeth block（21）Including tooth form support block（211）With biting teeth gripping block（212）, the tooth form support block（211）It is threadedly connected to
The leading screw（221）On, the tooth form support block（211）Top, biting teeth gripping block（212）Bottom is respectively equipped with biting teeth face
（213、214）, tooth form support block top biting teeth face（213）With the biting teeth gripping block bottom biting teeth face（214）Occlusion connects
Connect, the tooth form 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 |
|---|---|---|---|
| CN201621453862.0U CN206356940U (en) | 2016-12-28 | 2016-12-28 | A kind of biting teeth fixture for square steel class blade Milling Process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621453862.0U CN206356940U (en) | 2016-12-28 | 2016-12-28 | A kind of biting teeth fixture for square steel class blade Milling Process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206356940U true CN206356940U (en) | 2017-07-28 |
Family
ID=59377320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621453862.0U Withdrawn - After Issue CN206356940U (en) | 2016-12-28 | 2016-12-28 | A kind of biting teeth fixture for square steel class blade Milling Process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206356940U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106514352A (en) * | 2016-12-28 | 2017-03-22 | 无锡透平叶片有限公司 | Engagement fixture for square steel blade milling |
| CN113829093A (en) * | 2021-10-09 | 2021-12-24 | 哈尔滨汽轮机厂有限责任公司 | Clamp for machining marine turbine nickel-based movable blade and interference machining method |
-
2016
- 2016-12-28 CN CN201621453862.0U patent/CN206356940U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106514352A (en) * | 2016-12-28 | 2017-03-22 | 无锡透平叶片有限公司 | Engagement fixture for square steel blade milling |
| CN106514352B (en) * | 2016-12-28 | 2019-01-04 | 无锡透平叶片有限公司 | Biting teeth fixture for square steel class blade Milling Process |
| CN113829093A (en) * | 2021-10-09 | 2021-12-24 | 哈尔滨汽轮机厂有限责任公司 | Clamp for machining marine turbine nickel-based movable blade and interference machining method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170728 Effective date of abandoning: 20190104 |