CN103639797A - Double-curvature profile surface vacuum absorption platform and method for machining thickness of double-curvature skin - Google Patents

Double-curvature profile surface vacuum absorption platform and method for machining thickness of double-curvature skin Download PDF

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Publication number
CN103639797A
CN103639797A CN201310614178.0A CN201310614178A CN103639797A CN 103639797 A CN103639797 A CN 103639797A CN 201310614178 A CN201310614178 A CN 201310614178A CN 103639797 A CN103639797 A CN 103639797A
Authority
CN
China
Prior art keywords
vacuum suction
double
vacuum
suction platform
double curve
Prior art date
Application number
CN201310614178.0A
Other languages
Chinese (zh)
Inventor
汪洋华
徐龙
徐�明
张冬兵
李小游
Original Assignee
江西洪都航空工业集团有限责任公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 江西洪都航空工业集团有限责任公司 filed Critical 江西洪都航空工业集团有限责任公司
Priority to CN201310614178.0A priority Critical patent/CN103639797A/en
Publication of CN103639797A publication Critical patent/CN103639797A/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23CMILLING
    • B23C3/00Milling particular work; Special milling operations; Machines therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02Devices 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
    • B23Q3/06Work-clamping means
    • B23Q3/062Work-clamping means adapted for holding workpieces having a special form or being made from a special material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02Devices 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
    • B23Q3/06Work-clamping means
    • B23Q3/08Work-clamping means other than mechanically-actuated
    • B23Q3/088Work-clamping means other than mechanically-actuated using vacuum means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23CMILLING
    • B23C2215/00Details of workpieces
    • B23C2215/04Aircraft components
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23CMILLING
    • B23C2270/00Details of milling machines, milling processes or milling tools not otherwise provided for
    • B23C2270/08Clamping mechanisms or provision for clamping

Abstract

The invention relates to a double-curvature profile surface vacuum absorption platform and a method for machining thickness of a double-curvature skin. A concave double-curvature profile surface is arranged above the triangular vacuum absorption platform and the other five surfaces are planes; lap jointed plates which are uniformly arranged are arranged on the periphery above the vacuum absorption platform; the lap jointed plates are used for fixing and clamping the peripheries of skin blanks; uniform sealing grooves of installation sealing rings are formed in the double-curvature profile surface of the vacuum absorption platform; vacuum absorption holes are formed between the sealing grooves of the installation sealing rings; the vacuum absorption holes are used for vacuum pumping absorption after the skin blanks are installed; pipe connectors which are used for connecting vacuum pipes which are arranged inside an inner chamber of the vacuum absorption platform are arranged at the end of the vacuum absorption platform; the vacuum pipes which are arranged inside the inner chamber of the vacuum absorption platform are communicated with the vacuum absorption holes. According to the double-curvature profile surface vacuum absorption platform, the pipe connectors of the vacuum pipe are connected with a vacuuming device through a guide pipe, the skin blanks are tightly absorbed on the double-curvature profile surface of the vacuum absorption platform after vacuum pumping, and the skin blank thickness milling is performed through a numerical control machine tool. The double-curvature profile surface vacuum absorption platform can improve the machining accuracy, surface quality and machining efficiency of the skin and avoid the environment being polluted.

Description

The method of the vacuum suction platform of Double curve degree profile and processing Double curve degree covering thickness
Technical field
The present invention relates to a kind of method of vacuum suction platform and processing Double curve degree covering thickness of Double curve degree profile.
Background technology
At present, for the processing method of the Double curve degree covering blank material thickness of airframe, be that the covering blank after being shaped is carried out to milling; Adopt chemical milling method, have that the accuracy of manufacture is low, working (machining) efficiency is low, the shortcoming of contaminated environment.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of method of vacuum suction platform and processing Double curve degree covering thickness of Double curve degree profile.
For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of vacuum suction platform of Double curve degree profile is recessed Double curve degree profile above rectangle vacuum suction platform, and all the other five faces are all planes; On vacuum suction platform, two ends arrange locating hole, for the installation location of covering blank; The surrounding above of vacuum suction platform is provided with uniform lapping plate, for the fixing periphery of clamping covering blank; In the Double curve degree profile of vacuum suction platform, be provided with the seal groove of uniform installation sealing ring, be provided with vacuum suction hole installing between the seal groove of sealing ring, for vacuumizing and adsorbing after covering blank is installed; In the termination of vacuum suction platform, be provided with the pipe joint that connects the vacuum tube that is positioned at vacuum suction platform inner chamber, the vacuum tube that is positioned at vacuum suction platform inner chamber is communicated with described vacuum suction hole.The side of described vacuum suction platform is provided with lifting hangers.
The method that adopts the vacuum suction platform processing Double curve degree covering thickness of above-mentioned Double curve degree profile, comprising:
1. by locating hole, covering blank is installed and is positioned on the vacuum suction platform of Double curve degree profile;
2. with the fixing periphery of clamping covering blank of lapping plate, guarantee uniform clamping power and smooth curved surface, avoid covering blank to play drum;
3. adopt loop wheel machine the vacuum suction platform of Double curve degree profile to be placed in to the workbench of Digit Control Machine Tool by lifting hangers, carry out covering sotck thinkness milling processing;
4. by conduit, the pipe joint of vacuum tube is connected with vaccum-pumping equipment, and starts vaccum-pumping equipment, covering blank is tightly adsorbed in the Double curve degree profile of vacuum suction platform; The front employing of milling dial gauge checks that covering blank is adsorbed the curved surface degree of rear Double curve degree profile, with scriber, by part theoretical profile, stays allowance line, checks that whether surrounding allowance is even; First carry out roughing, milling part material thickness, whether the surplus material thickness of measuring covering blank is even, investigates overproof point, then according to a upper work step measured value, carry out fine finishining, guarantees the curved surface degree tolerance+0.05mm of Double curve degree profile;
5. fine finishining qualified after, close vaccum-pumping equipment, unload Double curve degree covering finished product.
The invention has the beneficial effects as follows: compare with existing milling technique, can improve the accuracy of manufacture, skin-surface quality and the working (machining) efficiency of covering, avoid contaminated environment, environmental protection more.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is structural representation of the present invention.
Fig. 2 is the A portion enlarged drawing of Fig. 1.
The specific embodiment
embodiment 1as shown in Figure 1, 2: a kind of vacuum suction platform of Double curve degree profile is recessed Double curve degree profile above rectangle vacuum suction platform 1, and all the other five faces are all planes; On vacuum suction platform 1, two ends arrange locating hole 4, for the installation location of covering blank; The surrounding above of vacuum suction platform 1 is provided with uniform lapping plate 5, for the fixing periphery of clamping covering blank; In the Double curve degree profile of vacuum suction platform 1, be provided with the seal groove 7 of uniform installation sealing ring 6, be provided with vacuum suction hole 2 installing between the seal groove 7 of sealing ring 6, for vacuumizing and adsorbing after covering blank is installed; In the termination of vacuum suction platform 1, be provided with the pipe joint 3 that connects the vacuum tube that is positioned at vacuum suction platform 1 inner chamber, the vacuum tube that is positioned at vacuum suction platform 1 inner chamber is communicated with described vacuum suction hole 2.The side of described vacuum suction platform 1 is provided with lifting hangers 7.
embodiment 2:a kind of method of vacuum suction platform processing Double curve degree covering thickness of Double curve degree profile described in employing embodiment 1, comprising:
1. by locating hole 4, covering blank is installed and is positioned on the vacuum suction platform 1 of Double curve degree profile;
2. use the fixedly periphery of clamping covering blank of lapping plate 5, guarantee uniform clamping power and smooth curved surface, avoid covering blank to play drum;
3. adopt loop wheel machine the vacuum suction platform 1 of Double curve degree profile to be placed in to the workbench of Digit Control Machine Tool by lifting hangers 7, carry out covering sotck thinkness milling processing;
4. by conduit, the pipe joint 3 of vacuum tube is connected with vaccum-pumping equipment, and starts vaccum-pumping equipment, covering blank is tightly adsorbed in the Double curve degree profile of vacuum suction platform 1; The front employing of milling dial gauge checks that covering blank is adsorbed the curved surface degree of rear Double curve degree profile, with scriber, by part theoretical profile, stays allowance line, checks that whether surrounding allowance is even; First carry out roughing, milling part material thickness, whether the surplus material thickness of measuring covering blank is even, investigates overproof point, then according to a upper work step measured value, carry out fine finishining, guarantees the curved surface degree tolerance+0.05mm of Double curve degree profile;
5. fine finishining qualified after, close vaccum-pumping equipment, unload Double curve degree covering finished product.

Claims (3)

1. a vacuum suction platform for Double curve degree profile, is characterized in that: above rectangle vacuum suction platform (1), be recessed Double curve degree profile, all the other five faces are all planes; The upper two ends of vacuum suction platform (1) arrange locating hole (4), for the installation location of covering blank; The surrounding above of vacuum suction platform (1) is provided with uniform lapping plate (5), for the fixing periphery of clamping covering blank; In the Double curve degree profile of vacuum suction platform (1), be provided with the seal groove (7) of uniform installation sealing ring (6), between the seal groove (7) that sealing ring (6) is installed, be provided with vacuum suction hole (2), for vacuumizing and adsorbing after covering blank is installed; In the termination of vacuum suction platform (1), be provided with the pipe joint (3) that connects the vacuum tube that is positioned at vacuum suction platform (1) inner chamber, the vacuum tube that is positioned at vacuum suction platform (1) inner chamber is communicated with described vacuum suction hole (2).
2. a vacuum suction platform for Double curve degree profile, is characterized in that: the side of described vacuum suction platform (1) is provided with lifting hangers (7).
3. the method that described in employing claim 1, the vacuum suction platform of Double curve degree profile is processed Double curve degree covering thickness, comprising:
1. by locating hole (4), covering blank is installed and is positioned on the vacuum suction platform (1) of Double curve degree profile;
2. use the fixedly periphery of clamping covering blank of lapping plate (5), guarantee uniform clamping power and smooth curved surface, avoid covering blank to play drum;
3. adopt loop wheel machine the vacuum suction platform (1) of Double curve degree profile to be placed in to the workbench of Digit Control Machine Tool by lifting hangers (7), carry out covering sotck thinkness milling processing;
4. by conduit, the pipe joint of vacuum tube (3) is connected with vaccum-pumping equipment, and starts vaccum-pumping equipment, covering blank is tightly adsorbed in the Double curve degree profile of vacuum suction platform (1); The front employing of milling dial gauge checks that covering blank is adsorbed the curved surface degree of rear Double curve degree profile, with scriber, by part theoretical profile, stays allowance line, checks that whether surrounding allowance is even; First carry out roughing, milling part material thickness, whether the surplus material thickness of measuring covering blank is even, investigates overproof point, then according to a upper work step measured value, carry out fine finishining, guarantees the curved surface degree tolerance+0.05mm of Double curve degree profile;
5. fine finishining qualified after, close vaccum-pumping equipment, unload Double curve degree covering finished product.
CN201310614178.0A 2013-11-28 2013-11-28 Double-curvature profile surface vacuum absorption platform and method for machining thickness of double-curvature skin CN103639797A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310614178.0A CN103639797A (en) 2013-11-28 2013-11-28 Double-curvature profile surface vacuum absorption platform and method for machining thickness of double-curvature skin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310614178.0A CN103639797A (en) 2013-11-28 2013-11-28 Double-curvature profile surface vacuum absorption platform and method for machining thickness of double-curvature skin

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Publication Number Publication Date
CN103639797A true CN103639797A (en) 2014-03-19

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103920915A (en) * 2014-04-04 2014-07-16 中航沈飞民用飞机有限责任公司 Thin skin milling device and method for milling by utilizing device
CN105091825A (en) * 2015-09-14 2015-11-25 江西洪都航空工业集团有限责任公司 Skin milling area thickness detection method
CN105500078A (en) * 2016-01-20 2016-04-20 哈尔滨飞机工业集团有限责任公司 Large-curvature composite material cutting and drilling tool
CN106425297A (en) * 2016-10-14 2017-02-22 首都航天机械公司 Numerical control processing technique for outer-grid wallboard
CN106984991A (en) * 2017-06-07 2017-07-28 苏州市意可机电有限公司 The processing technology and its special fixture of a kind of curved surface light-wall pipe
CN106425493B (en) * 2016-10-14 2019-05-24 首都航天机械公司 A kind of outer grid siding numerical control processing technology equipment
CN110682124A (en) * 2019-09-12 2020-01-14 陕西飞机工业(集团)有限公司 Milling fixture for fine cutting of large-scale double-curvature aircraft skin

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0425335A (en) * 1990-05-17 1992-01-29 Fsk Corp Object hold method
CN202053091U (en) * 2011-03-14 2011-11-30 南昌航空大学 Reconfigurable vacuum adsorption fixture
CN102528694A (en) * 2012-02-24 2012-07-04 太仓康茂电子有限公司 High-efficient vacuum clamp
CN102689195A (en) * 2012-05-29 2012-09-26 苏州市新鸿基精密部品有限公司 Vacuum chuck for processing of aeronautical laminas
CN202507074U (en) * 2011-12-29 2012-10-31 上海航天精密机械研究所 Vacuum clamp for large curved wall board
CN202527938U (en) * 2012-03-19 2012-11-14 沈阳西子航空产业有限公司 Vacuum platform suitable for processing of thin-wall parts

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0425335A (en) * 1990-05-17 1992-01-29 Fsk Corp Object hold method
CN202053091U (en) * 2011-03-14 2011-11-30 南昌航空大学 Reconfigurable vacuum adsorption fixture
CN202507074U (en) * 2011-12-29 2012-10-31 上海航天精密机械研究所 Vacuum clamp for large curved wall board
CN102528694A (en) * 2012-02-24 2012-07-04 太仓康茂电子有限公司 High-efficient vacuum clamp
CN202527938U (en) * 2012-03-19 2012-11-14 沈阳西子航空产业有限公司 Vacuum platform suitable for processing of thin-wall parts
CN102689195A (en) * 2012-05-29 2012-09-26 苏州市新鸿基精密部品有限公司 Vacuum chuck for processing of aeronautical laminas

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103920915A (en) * 2014-04-04 2014-07-16 中航沈飞民用飞机有限责任公司 Thin skin milling device and method for milling by utilizing device
CN105091825A (en) * 2015-09-14 2015-11-25 江西洪都航空工业集团有限责任公司 Skin milling area thickness detection method
CN105091825B (en) * 2015-09-14 2018-04-06 江西洪都航空工业集团有限责任公司 A kind of detection method of covering milling area thickness
CN105500078A (en) * 2016-01-20 2016-04-20 哈尔滨飞机工业集团有限责任公司 Large-curvature composite material cutting and drilling tool
CN106425297A (en) * 2016-10-14 2017-02-22 首都航天机械公司 Numerical control processing technique for outer-grid wallboard
CN106425297B (en) * 2016-10-14 2018-11-23 首都航天机械公司 A kind of outer grid siding numerical control processing technology method
CN106425493B (en) * 2016-10-14 2019-05-24 首都航天机械公司 A kind of outer grid siding numerical control processing technology equipment
CN106984991A (en) * 2017-06-07 2017-07-28 苏州市意可机电有限公司 The processing technology and its special fixture of a kind of curved surface light-wall pipe
CN110682124A (en) * 2019-09-12 2020-01-14 陕西飞机工业(集团)有限公司 Milling fixture for fine cutting of large-scale double-curvature aircraft skin

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Application publication date: 20140319

C02 Deemed withdrawal of patent application after publication (patent law 2001)