CN103612129A - Adaptive deformation-resistant supporting fixture - Google Patents
Adaptive deformation-resistant supporting fixture Download PDFInfo
- Publication number
- CN103612129A CN103612129A CN201310554259.6A CN201310554259A CN103612129A CN 103612129 A CN103612129 A CN 103612129A CN 201310554259 A CN201310554259 A CN 201310554259A CN 103612129 A CN103612129 A CN 103612129A
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- CN
- China
- Prior art keywords
- center
- pressing plate
- center support
- pedestal
- ejector pin
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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.)
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- 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
The invention provides an adaptive deformation-resistant supporting fixture, and belongs to the technical field of manufacture of parts of aero-engines. A center support of the adaptive deformation-resistant supporting fixture is fixedly arranged in the center of a base; a center supporting plate is sleeved at the upper end of the center support; a thrust spring is arranged between the center supporting plate and the center support; a second center pressing plate is in contact fit with the center supporting plate, and a contact surface is an inclined surface; the second center pressing plate is connected with the center support through a first locking bolt; a second locking bolt is arranged on the center support and faces the second center pressing plate; a vertical lifting pin and a transverse lifting pin are arranged in the center support and at the second locking bolt; the transverse lifting pin corresponds to the inner wall of a sleeving section of the center supporting plate; a first center pressing plate is arranged above the second center pressing plate; a positioning ring is positioned on the base and on the outer side of the center support; one end of a peripheral pressing plate is positioned above the positioning ring; the other end of the peripheral pressing plate is matched with the base through a compression bolt; the peripheral pressing plate is provided with a rotating shaft; the rotating shaft is arranged on the base through a fixing block; and a supporting ring is arranged on the outer side of the positioning ring.
Description
Technical field
The invention belongs to aerial motor spare part manufacturing technology field, 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, lower and the intensity of the relative rigidity of such part a little less than, processing technology is poor, in the situation of particularly part morpheme error and scale error being had relatively high expectations, 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 guarantee machining accuracy.
For fear of part, add the distortion in man-hour, the clamping of part is fixing most important, present stage generally adopts the supplemental support of expansion screw band top to the clamping of part, or utilize wedge to carry out supported at three point or 6 supports, but while adopting above-mentioned traditional approach to parts fixation centering, the clamping power that part is subject to is also inhomogeneous, cause part free degree in clamping process to be defined completely, part overall structure rigidity behind clamping location is not still enhanced, the clamping stability of part is not high, finally cause part to be vibrated in process, the impact of cutting force and cutting temperature, after processing, produce distortion, part processing precision is low and production efficiency is not high.
Summary of the invention
The problem existing for prior art, 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 pedestal center, center support plate is sleeved on the upper end of center support, and is evenly provided with some thrust springs between suit direction Shang center support plate and center support;
Middle part at described center support plate is provided with through hole, the second center pressing plate contacts cooperation by through hole with center support plate, the contact-making surface of the second center pressing plate and center support plate is set to inclined-plane, at the center of the second center pressing plate, the first clamping screw is installed, the second center pressing plate is connected with center support by the first clamping screw;
Described the second center pressing plate over against center support on be evenly provided with some the second clamping screws, in the center support of the second clamping screw lower end, be provided with vertical ejector pin and horizontal ejector pin, 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, laterally the other end of ejector pin and the suit section inwall of center support plate are corresponding, and vertical ejector pin is set to inclined-plane with the contact-making surface of horizontal ejector pin;
Above described the second center pressing plate, be provided with the first center pressing plate, the first center pressing plate is set to cirque structure, between the first center pressing plate and center support plate, by bolt, is connected;
Described locating ring is arranged on the pedestal in center support outside, locating ring and pedestal coaxially arrange, on locating ring, edge has circumferentially evenly been horizontally disposed 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 circumferentially the other end of pressing plate matches with pedestal by hold-down bolt; On the circumferential pressing plate between locating ring and hold-down bolt, rotating shaft is installed, rotating shaft is arranged on pedestal by fixed block, and the two axial ends of rotating shaft can move along locating ring radial direction with respect to fixed block;
In described locating ring arranged outside, have support ring, support ring and pedestal coaxially arrange, and support ring is connected with pedestal by some equally distributed adjusting bolts.
Between circumferential pressing plate inside described locating ring and pedestal, be provided with back-moving spring and reset ejector pin.
Between described center support plate and center support, adopting tolerance is the matched in clearance of H7/f9.
Between described fixed block and circumferential pressing plate, adopting tolerance is the matched in clearance of H7/f9.
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 behind clamping location 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, produces distortion little 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 cutaway view in Fig. 1;
In figure, 1-pedestal, 2-center support ，3-center support plate, 4-the first center pressing plate, 5-the second center pressing plate, 6-the first clamping screw, 7-the second clamping screw, the vertical ejector pin of 8-, the horizontal ejector pin of 9-, 10-thrust spring, 11-locating ring, the circumferential pressing plate of 12-, 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.
The specific embodiment
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, the first center pressing plate 4, the 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 suit direction Shang center support plate 3 and center support 2;
Middle part at described center support plate 3 is provided with through hole, the second center pressing plate 5 contacts cooperation by through hole with center support plate 3, the second center pressing plate 5 is set to inclined-plane with the contact-making surface of center support plate 3, the first clamping screw 6, the second center pressing plates 5 are installed at the center of the second center pressing plate 5 to be connected with center support 2 by the first clamping screw 6;
Described the second center pressing plate 5 over against center support 2 on be evenly provided with three place's the second clamping screws 7, in the center support 2 of the second clamping screw 7 lower ends, be provided with vertical ejector pin 8 and horizontal ejector pin 9, the upper end of vertical ejector pin 8 is corresponding with second clamping screw 7 ends of thread, the lower end of vertical ejector pin 8 contacts with one end of horizontal ejector pin 9, laterally the other end of ejector pin 9 and the suit section inwall of center support plate 3 are corresponding, and vertical ejector pin 8 is set to inclined-plane with the contact-making surface of horizontal ejector pin 9;
Above described the second center pressing plate 5, be provided with the first center pressing plate 4, the first center pressing plates 4 and be set to cirque structure, between the first center pressing plate 4 and center support plate 3, by bolt, be connected;
Described locating ring 11 is arranged on the pedestal 1 in center support 2 outsides, locating ring 11 coaxially arranges with pedestal 1, on locating ring 11, edge has circumferentially evenly been horizontally disposed 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 circumferentially the other end of pressing plate 12 matches with pedestal 1 by hold-down bolt 15; On the circumferential pressing plate 12 between locating ring 11 and hold-down bolt 15, rotating shaft 14 is installed, 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 with respect to fixed block 13;
In described locating ring 11 arranged outside, have support ring 19, support ring 19 coaxially arranges with pedestal 1, and support ring 19 is connected with pedestal 1 by the eight equally distributed adjusting bolts 18 in place.
Between the circumferential pressing plate 12 of described locating ring 11 inner sides and pedestal 1, be provided with back-moving spring 16 and reset ejector pin 17, after hold-down bolt 15 unclamps, under the effect of back-moving spring 16 and reset ejector pin 17, can realize the inner of circumferential pressing plate 12 and can lift fast.
Between described center support plate 3 and center support 2, adopting tolerance is the matched in clearance of H7/f9.
Between described fixed block 13 and circumferential pressing plate 12, adopting tolerance is the matched in clearance of H7/f9.
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 clampings, guarantee 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, while installing for part 20, vacate and lay space, adjust again the height of support ring 19, by adjusting the length of adjusting bolt 18, support ring 19 be in the position of not interfering part 20 to be installed.
First part 20 is placed on locating ring 11, make the mounting edge of part 20 be positioned at the upper surface of locating ring 11, and centering part 20, oppositely mobile circumferential pressing plate 12, make the inner of circumferential pressing plate 12 be positioned at the top of part 20 mounting edges, circumferentially installing cushion block additional between pressing plate 12 and part 20 mounting edges, screw hold-down bolt 15, under the effect of rotating shaft 14, circumferentially pressing plate 12 is pressed on part 20 mounting edges on locating ring 11 firmly.
When part 20 is placed on locating ring 11, part 20 middle part disc are also located on center support plate 3, under the effect of thrust spring 10, center support plate 3 can self adaptation part 20 disc position, the first center pressing plate 4 is placed on to 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 laterally ejector pin 9 move, make the suit section inwall of horizontal ejector pin 9 tensioner center support plates 3, now center support plate 3 is radially freely defined, screw again the first clamping screw 6, and then make the second center pressing plate 5 tightly push down center support plate 3, and now the axial of center support plate 3 is freely defined, and the disc of part 20 is by location clamping completely.
The clamping although the disc position of part 20 and mounting edge have all been positioned, but the particularity due to part 20 structures, the rigidity of the blade listrium position of part 20 is still very poor, in process time limit, easily produce distortion, for fear of machining deformation, must increase the structural rigidity at part 20 blade listrium places, adjust the length of adjusting bolt 18, the upper end of support ring 19 is contacted with the lower end of part 20 blade listriums, now screw adjusting bolt 18, the common part 20 certain support forces in blade listrium position of giving of support ring 19 and adjusting bolt 18, directly increased the structural rigidity at part 20 blade listrium places.
Now part 20 clamping location all complete, and can process the part 20 behind clamping location.
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 pedestal center, center support plate is sleeved on the upper end of center support, and is evenly provided with some thrust springs between suit direction Shang center support plate and center support;
Middle part at described center support plate is provided with through hole, the second center pressing plate contacts cooperation by through hole with center support plate, the contact-making surface of the second center pressing plate and center support plate is set to inclined-plane, at the center of the second center pressing plate, the first clamping screw is installed, the second center pressing plate is connected with center support by the first clamping screw;
Described the second center pressing plate over against center support on be evenly provided with some the second clamping screws, in the center support of the second clamping screw lower end, be provided with vertical ejector pin and horizontal ejector pin, 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, laterally the other end of ejector pin and the suit section inwall of center support plate are corresponding, and vertical ejector pin is set to inclined-plane with the contact-making surface of horizontal ejector pin;
Above described the second center pressing plate, be provided with the first center pressing plate, the first center pressing plate is set to cirque structure, between the first center pressing plate and center support plate, by bolt, is connected;
Described locating ring is arranged on the pedestal in center support outside, locating ring and pedestal coaxially arrange, on locating ring, edge has circumferentially evenly been horizontally disposed 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 circumferentially the other end of pressing plate matches with pedestal by hold-down bolt; On the circumferential pressing plate between locating ring and hold-down bolt, rotating shaft is installed, rotating shaft is arranged on pedestal by fixed block, and the two axial ends of rotating shaft can move along locating ring radial direction with respect to fixed block;
In described locating ring arranged outside, have support ring, support ring and pedestal coaxially arrange, 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: between the circumferential pressing plate inside described locating ring and pedestal, be provided with back-moving spring and reset ejector pin.
3. a kind of self adaptation according to claim 1 supports resistance to deformation fixture, it is characterized in that: between described center support plate and center support, adopting tolerance is the matched in clearance of H7/f9.
4. a kind of self adaptation according to claim 1 supports resistance to deformation fixture, it is characterized in that: between described fixed block and circumferential pressing plate, adopting tolerance is the matched in clearance of H7/f9.
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 true CN103612129A (en) | 2014-03-05 |
| CN103612129B CN103612129B (en) | 2015-12-09 |
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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 |
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| CN (1) | CN103612129B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104476223A (en) * | 2014-11-10 | 2015-04-01 | 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 |
| CN105033326A (en) * | 2015-09-15 | 2015-11-11 | 沈阳飞机工业（集团）有限公司 | Annular product drilling clamp and use method of same |
| 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 |
| CN107953020A (en) * | 2017-11-23 | 2018-04-24 | 中国航发航空科技股份有限公司 | A kind of fixture for being used for multistage blisk electron beam welding |
| CN109158910A (en) * | 2018-09-10 | 2019-01-08 | 武汉船用机械有限责任公司 | A kind of shell clamping tooling |
| CN111451969A (en) * | 2020-05-15 | 2020-07-28 | 燕山大学 | Annular centripetal fixture with shape self-adaptive capacity |
| CN112276554A (en) * | 2020-10-22 | 2021-01-29 | 珠海格力智能装备有限公司 | Robot assembling device |
| US11484958B2 (en) | 2016-01-14 | 2022-11-01 | Raytheon Technologies Corporation | Electrical discharge machining apparatus |
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| WO1996009167A1 (en) * | 1994-09-19 | 1996-03-28 | Karl Süss Kg Präzisionsgeräte Für Wissenschaft Und Industrie -Gmbh & Co. | Process and device for adjusting and connecting several vertically stacked wafers |
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Patent Citations (5)
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| US4649757A (en) * | 1984-04-20 | 1987-03-17 | Framatome & Cie. | Device for calibrating a machine tool |
| JPS62157723A (en) * | 1985-09-06 | 1987-07-13 | Hirotake Morita | Workpiece fixing device for wire-cut electric discharge machine |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104476223A (en) * | 2014-11-10 | 2015-04-01 | 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 |
| CN105033326A (en) * | 2015-09-15 | 2015-11-11 | 沈阳飞机工业（集团）有限公司 | Annular product drilling clamp and use method of same |
| US11484958B2 (en) | 2016-01-14 | 2022-11-01 | Raytheon Technologies Corporation | Electrical discharge machining apparatus |
| 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 |
| CN107953020A (en) * | 2017-11-23 | 2018-04-24 | 中国航发航空科技股份有限公司 | A kind of fixture for being used for multistage blisk electron beam welding |
| CN109158910A (en) * | 2018-09-10 | 2019-01-08 | 武汉船用机械有限责任公司 | A kind of shell clamping tooling |
| CN111451969A (en) * | 2020-05-15 | 2020-07-28 | 燕山大学 | Annular centripetal fixture with shape self-adaptive capacity |
| CN111451969B (en) * | 2020-05-15 | 2021-02-26 | 燕山大学 | Annular centripetal clamp with shape self-adaptive capacity |
| CN112276554A (en) * | 2020-10-22 | 2021-01-29 | 珠海格力智能装备有限公司 | Robot assembling device |
| CN112276554B (en) * | 2020-10-22 | 2022-02-08 | 珠海格力智能装备有限公司 | Robot assembling device |
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| CN103612129B (en) | 2015-12-09 |
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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 |
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| 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 |