CN103612129B - A kind of self adaptation supports resistance to deformation fixture - Google Patents
A kind of self adaptation supports resistance to deformation fixture Download PDFInfo
- Publication number
- CN103612129B CN103612129B CN201310554259.6A CN201310554259A CN103612129B CN 103612129 B CN103612129 B CN 103612129B CN 201310554259 A CN201310554259 A CN 201310554259A CN 103612129 B CN103612129 B CN 103612129B
- Authority
- CN
- China
- Prior art keywords
- center
- pressing plate
- center support
- pedestal
- ejector pin
- 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.)
- Expired - Fee Related
Links
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
Abstract
A kind of self adaptation supports resistance to deformation fixture, belongs to technical field of aircraft engine part manufacture.Center support of the present invention is installed in base central, and center support plate is sleeved on center support upper end and is provided with thrust spring between the two; Second center pressing plate contacts with center support plate and to coordinate and contact surface is inclined-plane, and the second center pressing plate is connected by the first clamping screw with center support; The center support that second center pressing plate is just right is provided with the second clamping screw, is provided with vertical ejector pin and horizontal ejector pin in the center support of the second clamping screw lower end, horizontal ejector pin is corresponding with the suit section inwall of center support plate; The first center pressing plate is provided with above the second center pressing plate; Locating ring is positioned on the pedestal outside center support, and one end of circumferential pressing plate is positioned at the top of locating ring, and the other end is matched with pedestal by hold-down bolt; Circumferential pressing plate is provided with rotating shaft, and rotating shaft is arranged on pedestal by fixed block, has support ring in locating ring arranged outside.
Description
Technical field
The invention belongs to technical field of aircraft engine part manufacture, particularly relate to a kind of self adaptation and support resistance to deformation fixture.
Background technology
Compressor disc, the turbine disk and blisk are as the important composition parts of aero-engine, it classifies as weak rigidity disk-like accessory, the relative rigidity of such part is lower and intensity is more weak, processing technology is poor, when particularly requiring higher to part Form and position error and scale error, part is to add man-hour all very responsive to vibration, cutting force and cutting temperature etc., and the careless slightly part deformation that will make, is difficult to ensure machining accuracy.
In order to avoid part adds the distortion in man-hour, the clamping of part is fixed most important, the supplemental support that present stage generally adopts expansion screw band to come directly towards to the clamping of part, or utilize wedge to carry out supported at three point or 6 supports, but when adopting above-mentioned traditional approach to parts fixation centering, the clamping power that part is subject to is also uneven, part free degree in clamping process is caused to be defined completely, part overall structure rigidity after Set and Positioning is not still enhanced, the clamping stability of part is not high, part is finally caused to be vibrated in process, the impact of cutting force and cutting temperature, produce distortion after processing, part processing precision is low and production efficiency is not high.
Summary of the invention
For prior art Problems existing, the invention provides a kind of self adaptation support resistance to deformation fixture that can improve part overall structure rigidity, reduce part machining deformation and raising part processing precision.
To achieve these goals, the present invention adopts following technical scheme: a kind of self adaptation supports resistance to deformation fixture, comprise pedestal, center support, center support plate, the first center pressing plate, the second center pressing plate, locating ring and circumferential pressing plate, described pedestal is set to disc-shaped structure, center support is installed in base central, center support plate is sleeved on the upper end of center support, and is evenly provided with some thrust springs between the center support plate be set with on direction and center support;
The middle part of described center support plate is provided with through hole, second center pressing plate to be contacted with center support plate by through hole and coordinates, the contact surface of the second center pressing plate and center support plate is set to inclined-plane, be provided with the first clamping screw at the center of the second center pressing plate, the second center pressing plate is connected with center support by the first clamping screw;
The center support that described second center pressing plate is just right is evenly provided with some second clamping screws, vertical ejector pin and horizontal ejector pin is provided with in the center support of the second clamping screw lower end, the upper end of vertical ejector pin is corresponding with the second clamping screw end of thread, the lower end of vertical ejector pin contacts with one end of horizontal ejector pin, the other end of horizontal ejector pin is corresponding with the suit section inwall of center support plate, and the contact surface of vertical ejector pin and horizontal ejector pin is set to inclined-plane;
Above described second center pressing plate, be provided with the first center pressing plate, the first center pressing plate is set to cirque structure, and the first center pressing plate is connected by bolt with between the support plate of center;
Described locating ring is arranged on the pedestal outside center support, locating ring and pedestal are coaxially arranged, on locating ring, circumferentially even level is provided with some pressing plate installing holes, one end of described circumferential pressing plate is by pressing plate mounting hole site in the top of locating ring, and the other end of circumferential pressing plate is matched with pedestal by hold-down bolt; Circumferential pressing plate between locating ring and hold-down bolt is provided with rotating shaft, and rotating shaft is arranged on pedestal by fixed block, and the two axial ends of rotating shaft can move along locating ring radial direction relative to fixed block;
Have support ring in described locating ring arranged outside, support ring and pedestal are coaxially arranged, and support ring is connected with pedestal by some equally distributed adjusting bolts.
Circumferential pressing plate inside described locating ring and be provided with back-moving spring and reset ejector pin between pedestal.
Tolerance is adopted to be the matched in clearance of H7/f9 between described center support plate and center support.
Tolerance is adopted to be the matched in clearance of H7/f9 between described fixed block and circumferential pressing plate.
Beneficial effect of the present invention:
The present invention compared with prior art, the clamping power that part is subject to is even, part free degree in clamping process can be defined completely, part overall structure rigidity after Set and Positioning is greatly strengthened, the clamping stability of part is high, part is vibrated in process, the impact of cutting force and cutting temperature is little, and it is little to produce distortion after processing, and part processing precision is high and production efficiency is high.
Accompanying drawing explanation
Fig. 1 is that a kind of self adaptation of the present invention supports resistance to deformation clamp structure schematic diagram;
Fig. 2 is A-A sectional view in Fig. 1;
In figure, 1-pedestal, 2-center support, 3-center support plate, 4-first center pressing plate, 5-second center pressing plate, 6-first clamping screw, 7-second clamping screw, the vertical ejector pin of 8-, the horizontal ejector pin of 9-, 10-thrust spring, 11-locating ring, 12-circumference pressing plate, 13-fixed block, 14-rotating shaft, 15-hold-down bolt, 16-back-moving spring, 17-reset ejector pin, 18-adjusting bolt, 19-support ring, 20-part.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
As shown in Figure 1, 2, a kind of self adaptation supports resistance to deformation fixture, comprise pedestal 1, center support 2, center support plate 3, first center pressing plate 4, second center pressing plate 5, locating ring 11 and circumferential pressing plate 12, described pedestal 1 is set to disc-shaped structure, center support 2 is installed in pedestal 1 center, center support plate 3 is sleeved on the upper end of center support 2, and is evenly provided with thrust spring 10 everywhere between the center support plate 3 be set with on direction and center support 2;
The middle part of described center support plate 3 is provided with through hole, second center pressing plate 5 to be contacted with center support plate 3 by through hole and coordinates, second center pressing plate 5 is set to inclined-plane with the contact surface of center support plate 3, first clamping screw 6, second center pressing plate 5 is installed at the center of the second center pressing plate 5 be connected with center support 2 by the first clamping screw 6;
The center support 2 that described second center pressing plate 5 is just right is evenly provided with three place second clamping screws 7, vertical ejector pin 8 and horizontal ejector pin 9 is provided with in the center support 2 of the second clamping screw 7 lower end, the upper end of vertical ejector pin 8 is corresponding with second clamping screw 7 end of thread, the lower end of vertical ejector pin 8 contacts with one end of horizontal ejector pin 9, the other end of horizontal ejector pin 9 is corresponding with the suit section inwall of center support plate 3, and vertical ejector pin 8 is set to inclined-plane with the contact surface of horizontal ejector pin 9;
Above described second center pressing plate 5, be provided with the first center pressing plate 4, first center pressing plate 4 be set to cirque structure, the first center pressing plate 4 is connected by bolt with between center support plate 3;
Described locating ring 11 is arranged on the pedestal 1 outside center support 2, locating ring 11 and pedestal 1 are coaxially arranged, on locating ring 11, circumferentially even level is provided with eight place's pressing plate installing holes, one end of described circumferential pressing plate 12 is by pressing plate mounting hole site in the top of locating ring 11, and the other end of circumferential pressing plate 12 is matched with pedestal 1 by hold-down bolt 15; Circumferential pressing plate 12 between locating ring 11 and hold-down bolt 15 is provided with rotating shaft 14, and rotating shaft 14 is arranged on pedestal 1 by fixed block 13, and the two axial ends of rotating shaft 14 can move along locating ring 11 radial direction relative to fixed block 13;
Have support ring 19 in described locating ring 11 arranged outside, support ring 19 and pedestal 1 are coaxially arranged, and support ring 19 is connected with pedestal 1 by the eight equally distributed adjusting bolts 18 in place.
Circumferential pressing plate 12 inside described locating ring 11 and be provided with back-moving spring 16 and reset ejector pin 17 between pedestal 1, after hold-down bolt 15 unclamps, under the effect of back-moving spring 16 and reset ejector pin 17, the inner that can realize circumferential pressing plate 12 can be lifted fast.
Tolerance is adopted to be the matched in clearance of H7/f9 between described center support plate 3 and center support 2.
Tolerance is adopted to be the matched in clearance of H7/f9 between described fixed block 13 and circumferential pressing plate 12.
Below in conjunction with accompanying drawing, a use procedure of the present invention is described:
In the present embodiment, the part of institute's clamping is blisk of engine.
Before part 20 clamping, ensure that the first clamping screw 6 and the second clamping screw 7 are in releasing orientation, mobile circumferential pressing plate 12 makes it close to pedestal 1 center, space is laid for vacateing when part 20 is installed, adjust the height of support ring 19 again, by adjusting the length of adjusting bolt 18, support ring 19 is made to be in the position of not interfering part 20 to be installed.
First part 20 is placed on locating ring 11, the mounting edge of part 20 is made to be positioned at the upper surface of locating ring 11, and centering part 20, the circumferential pressing plate 12 of reverse movement, make the inner of circumferential pressing plate 12 be positioned at the top of part 20 mounting edge, between circumferential pressing plate 12 and part 20 mounting edge, install cushion block additional, screw hold-down bolt 15, under the effect of rotating shaft 14, part 20 mounting edge is pressed on locating ring 11 by circumferential pressing plate 12 firmly.
While part 20 is placed on locating ring 11, in the middle part of part 20, disc is also located on center support plate 3, under the effect of thrust spring 10, center support plate 3 can the position of self adaptation part 20 disc, first center pressing plate 4 is placed on the upper surface of part 20 disc, and by bolt, the first center pressing plate 4 is fastened together with center support plate 3, now the disc of part 20 is clamped by Primary Location.
Screw the second clamping screw 7, and then promote vertical ejector pin 8 and horizontal ejector pin 9 moves, make the suit section inwall of horizontal ejector pin 9 tensioner center support plate 3, now the radial direction of center support plate 3 is freely defined, screw the first clamping screw 6 again, and then make the second center pressing plate 5 tightly push down center support plate 3, now the axis of center support plate 3 is freely defined, and the disc of part 20 is located clamping completely.
Although the disc position of part 20 and mounting edge are all by location clamping, but due to the particularity of part 20 structure, the rigidity of the blade listrium position of part 20 is still very poor, easily distortion is produced in process time limit, in order to avoid machining deformation, the structural rigidity at part 20 blade listrium place must be increased, the length of adjustment adjusting bolt 18, the upper end of support ring 19 is contacted with the lower end of part 20 blade listrium, now screw adjusting bolt 18, the support force that support ring 19 and adjusting bolt 18 give part 20 blade listrium position certain jointly, directly increase the structural rigidity at part 20 blade listrium place.
Now part 20 Set and Positioning all completes, and can process the part 20 after Set and Positioning.
Claims (4)
1. a self adaptation supports resistance to deformation fixture, it is characterized in that: comprise pedestal, center support, center support plate, the first center pressing plate, the second center pressing plate, locating ring and circumferential pressing plate, described pedestal is set to disc-shaped structure, center support is installed in base central, center support plate is sleeved on the upper end of center support, and is evenly provided with some thrust springs between the center support plate be set with on direction and center support;
The middle part of described center support plate is provided with through hole, second center pressing plate to be contacted with center support plate by through hole and coordinates, the contact surface of the second center pressing plate and center support plate is set to inclined-plane, be provided with the first clamping screw at the center of the second center pressing plate, the second center pressing plate is connected with center support by the first clamping screw;
The center support that described second center pressing plate is just right is evenly provided with some second clamping screws, vertical ejector pin and horizontal ejector pin is provided with in the center support of the second clamping screw lower end, the upper end of vertical ejector pin is corresponding with the second clamping screw end of thread, the lower end of vertical ejector pin contacts with one end of horizontal ejector pin, the other end of horizontal ejector pin is corresponding with the suit section inwall of center support plate, and the contact surface of vertical ejector pin and horizontal ejector pin is set to inclined-plane;
Above described second center pressing plate, be provided with the first center pressing plate, the first center pressing plate is set to cirque structure, and the first center pressing plate is connected by bolt with between the support plate of center;
Described locating ring is arranged on the pedestal outside center support, locating ring and pedestal are coaxially arranged, on locating ring, circumferentially even level is provided with some circumferential pressing plate installing holes, one end of described circumferential pressing plate is by circumferential pressing plate mounting hole site in the top of locating ring, and the other end of circumferential pressing plate is matched with pedestal by hold-down bolt; Circumferential pressing plate between locating ring and hold-down bolt is provided with rotating shaft, and rotating shaft is arranged on pedestal by fixed block, and the two axial ends of rotating shaft can move along locating ring radial direction relative to fixed block;
Have support ring in described locating ring arranged outside, support ring and pedestal are coaxially arranged, and support ring is connected with pedestal by some equally distributed adjusting bolts.
2. a kind of self adaptation according to claim 1 supports resistance to deformation fixture, it is characterized in that: the circumferential pressing plate inside described locating ring and be provided with back-moving spring and reset ejector pin between pedestal.
3. a kind of self adaptation according to claim 1 supports resistance to deformation fixture, it is characterized in that: adopt tolerance to be the matched in clearance of H7/f9 between described center support plate and center support.
4. a kind of self adaptation according to claim 1 supports resistance to deformation fixture, it is characterized in that: adopt tolerance to be the matched in clearance of H7/f9 between described fixed block and circumferential pressing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310554259.6A CN103612129B (en) | 2013-11-08 | 2013-11-08 | A kind of self adaptation supports resistance to deformation fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310554259.6A CN103612129B (en) | 2013-11-08 | 2013-11-08 | A kind of self adaptation supports resistance to deformation fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103612129A CN103612129A (en) | 2014-03-05 |
| CN103612129B true CN103612129B (en) | 2015-12-09 |
Family
ID=50162863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310554259.6A Expired - Fee Related CN103612129B (en) | 2013-11-08 | 2013-11-08 | A kind of self adaptation supports resistance to deformation fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103612129B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3192606A1 (en) * | 2016-01-14 | 2017-07-19 | United Technologies Corporation | Electrical discharge machining apparatus |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104476223B (en) * | 2014-11-10 | 2017-01-11 | 沈阳黎明航空发动机(集团)有限责任公司 | Following adaptive supporting mechanism for thin-wall cover hood like parts |
| CN105033326B (en) * | 2015-09-15 | 2017-09-01 | 沈阳飞机工业（集团）有限公司 | A kind of annular products boring grab and its application method |
| CN105563192A (en) * | 2016-03-17 | 2016-05-11 | 沈阳飞机工业（集团）有限公司 | Tooling for turning cambered surface washer |
| CN107937693A (en) * | 2017-11-23 | 2018-04-20 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of heat treatment deformation controls fixture |
| CN107953020B (en) * | 2017-11-23 | 2020-05-08 | 中国航发航空科技股份有限公司 | Clamp for electron beam welding of multistage blisk |
| CN109158910B (en) * | 2018-09-10 | 2020-05-19 | 武汉船用机械有限责任公司 | Shell clamping tool |
| CN111451969B (en) * | 2020-05-15 | 2021-02-26 | 燕山大学 | Annular centripetal clamp with shape self-adaptive capacity |
| CN112276554B (en) * | 2020-10-22 | 2022-02-08 | 珠海格力智能装备有限公司 | Robot assembling device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4649757A (en) * | 1984-04-20 | 1987-03-17 | Framatome & Cie. | Device for calibrating a machine tool |
| CN201231413Y (en) * | 2008-06-30 | 2009-05-06 | 上海麦迅机床工具技术有限公司 | Flexible-positioning rigid-fastening re-orientation connection device |
| CN102501115A (en) * | 2011-10-27 | 2012-06-20 | 浙江陀曼精密机械有限公司 | Internal expansion clamping mechanism for medium-size and large-size bearings |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62157723A (en) * | 1985-09-06 | 1987-07-13 | Hirotake Morita | Workpiece fixing device for wire-cut electric discharge machine |
| DE4433343C2 (en) * | 1994-09-19 | 1998-01-22 | Suess Kg Karl | Method and device for aligning and connecting a plurality of disks aligned with one another and arranged one above the other |
-
2013
- 2013-11-08 CN CN201310554259.6A patent/CN103612129B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4649757A (en) * | 1984-04-20 | 1987-03-17 | Framatome & Cie. | Device for calibrating a machine tool |
| CN201231413Y (en) * | 2008-06-30 | 2009-05-06 | 上海麦迅机床工具技术有限公司 | Flexible-positioning rigid-fastening re-orientation connection device |
| CN102501115A (en) * | 2011-10-27 | 2012-06-20 | 浙江陀曼精密机械有限公司 | Internal expansion clamping mechanism for medium-size and large-size bearings |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3192606A1 (en) * | 2016-01-14 | 2017-07-19 | United Technologies Corporation | Electrical discharge machining apparatus |
| US10272510B2 (en) | 2016-01-14 | 2019-04-30 | United Technologies Corporation | Electrical discharge machining apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103612129A (en) | 2014-03-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103612129B (en) | A kind of self adaptation supports resistance to deformation fixture | |
| CN204248656U (en) | A kind of bearing ring electric magnetic no-core clamp supporting | |
| CN103586827B (en) | Axial-flow compressor unit body component assembling device and method | |
| CN202399030U (en) | Expansion clamp | |
| CN201120553Y (en) | Rectangular worktable with turning scale division | |
| CN205650862U (en) | Indexing means of processing high accuracy axle bush | |
| CN204686065U (en) | Large thin-wall ring end face founds Vehicle Processing positioning fixture | |
| CN203656496U (en) | Motor rack fixing device | |
| CN113458694A (en) | Welding positioning clamp for double-air-inlet impeller and positioning method thereof | |
| CN104128828A (en) | Scroll plate fine machining fixture | |
| CN202266499U (en) | Stator blade and gas compressor with same | |
| CN102091955A (en) | Fixture for gear processing of disc rod fastening rotor end face | |
| CN101666356B (en) | Assembly and adjustment tool of bearings | |
| CN202964106U (en) | Tension fixture for machining plate-type workpieces | |
| CN204402572U (en) | A kind of gas turbine turbine stator blade seal ring supporting structure | |
| CN202317102U (en) | Drilling and boring combined device of balance shaft support | |
| CN205955781U (en) | Turbocharger bearing sleeve and turbo charger | |
| CN113714836A (en) | High-precision alloy shell hole aligning machining system and method | |
| CN208083925U (en) | A kind of fixture of automobile current generator shell processing | |
| CN204019169U (en) | The large plane turning clamp of a kind of multiple spot supplemental support | |
| CN208895593U (en) | The self-centering Rotation Center Rest of rotary shear formula | |
| CN208289377U (en) | Center adjusts tool when hydrogenerator upper spider is installed | |
| CN202946745U (en) | Locating mechanism for electronic expansion valve body and coil | |
| CN205520548U (en) | Anchor clamps of processing flyweight support upper end | |
| CN217434150U (en) | Clamp disc |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 110043 Dong TA street, Dadong District, Shenyang, Liaoning Province, No. 6 Patentee after: Chinese Hangfa Shenyang Liming Aero engine limited liability company Address before: 110043 Dong TA street, Dadong District, Shenyang, Liaoning Province, No. 6 Patentee before: Liming Aeroplane Engine (Group) Co., Ltd., Shenyang City |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 Termination date: 20201108 |