CN106984991B - A kind of processing technology and its special fixture of curved surface thin-wall tube - Google Patents
A kind of processing technology and its special fixture of curved surface thin-wall tube Download PDFInfo
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- CN106984991B CN106984991B CN201710423297.6A CN201710423297A CN106984991B CN 106984991 B CN106984991 B CN 106984991B CN 201710423297 A CN201710423297 A CN 201710423297A CN 106984991 B CN106984991 B CN 106984991B
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- curved surface
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Classifications
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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
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
- B23Q3/088—Work-clamping means other than mechanically-actuated using vacuum means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
- B23Q3/065—Work-clamping means adapted for holding workpieces having a special form or being made from a special material for holding workpieces being specially deformable, e.g. made from thin-walled or elastic material
Abstract
The present invention relates to a kind of processing technology of curved surface thin-wall tube, the processing technology step includes S1, processing negative camber；S2, processing technology platform；S3, processing technology slot；S4, fixed raw material；S5, processing positive camber；S6, forming thin-walled tube end.The special fixture includes bottom plate and the fixture curved surface that raises upward positioned at bottom plate, and several vacuum tanks are equipped on the surface of the fixture curved surface, and vacuum sucking holes are arranged in the vacuum trench bottom, is equipped with several threaded holes in the fixture curved surface two sides；The special fixture includes auxiliary pressing plate, is detachably connected between the auxiliary pressing plate and bottom plate.After above-mentioned technique and the special fixture of cooperation, solve the problems, such as vacuum chuck adsorbent parts curved surface, it is more significant in particular for aviation hydraulic system pipeline thin-wall part effect, facilitate processing, it is unlikely to deform, further increases the quality of production and production efficiency of product, reduce cost.
Description
Technical field
The present invention relates to technical fields of mechanical processing, processing technology more particularly, to a kind of curved surface thin-wall tube and its dedicated
Fixture.
Background technique
The special construction of vacuum chuck can will form a provisional confined space after contacting with object.We are logical
Cross pneumatic line perhaps certain device take away or thin confined space inside air.In this way, the gas inside confined space
Pressure is lower than an extraneous atmospheric pressure.Then, internal and external pressure difference produces.The atmospheric pressure of outside can inhale object and vacuum
Disk firmly presses together.In this way, we just see that object has been sucked in vacuum chuck.After arriving at the destination confined space with
The atmospheric pressure connection of outside, vacuum chuck are just separated with object.Based on the above principles, vacuum chuck is in clamping position thin-walled
In the hardly possible clamping parts such as part, play the role of very vital.
Traditional vacuum chuck tooling is often some plane of adsorbent parts.And the hydraulic air that we face at present
System pipeline thin-walled parts are curved surface, in process small, easily-deformable, the difficult processing of tolerance, traditional vacuum chuck without
Method positions this kind of parts fixation.
Summary of the invention
Technical problem to be solved by the invention is to provide the processing technology and its special fixture of a kind of curved surface thin-wall tube, it
The processing that can be applied to aviation hydraulic system pipeline thin-wall part solves easily-deformable and unmanageable feature.
The technical scheme adopted by the invention to solve the technical problem is that: a kind of processing technology of curved surface thin-wall tube, it is described
Processing technology step include,
S1, processing negative camber, the raw material for taking size, length suitable simultaneously process negative camber at it by lathe on one side；
S2, processing technology platform respectively process a process area for fixing at the both ends of negative camber by lathe；
S3, processing technology slot, process several technology grooves on the raw material back side opposite with negative camber, and the technology groove is
In a crisscross manner；
Negative camber, is fixed on the fixture curved surface of special fixture by the process area processed, is passed through by S4, fixed raw material
The fixation that vacuum realizes raw material is inhaled on the fixture curved surface of the special fixture；
S5, processing positive camber carry out material processing by raw material of the lathe to the negative camber back side, are directly processed to required song
The thickness of face thin-wall tube；
Semi-finished product thin-wall tube is compressed by auxiliary pressing plate, unclamps process area, pass through lathe by S6, forming thin-walled tube end
Mill off process area is processed, processing is completed.
Further specifically, the technology groove in the step S3 includes vertical technology groove and lateral technology groove, adjacent institute
Distance is identical between the vertical technology groove stated, and distance is identical between the adjacent lateral technology groove.
It is described further specifically, the technology groove in the step S3 includes vertical technology groove and lateral technology groove
It is mutually perpendicular between vertical technology groove and lateral technology groove.
Further specifically, fabrication hole is arranged on the process area, the raw material is solid by fabrication hole and screw
It is scheduled on special fixture.
Further specifically, the auxiliary pressing plate is fixed by screws on special fixture.
Further specifically, being the arch with thin-wall tube positive camber adhered shape below the auxiliary pressing plate.
A kind of special fixture of curved surface thin-wall tube clamping, including bottom plate and the fixture curved surface to raise upward positioned at bottom plate,
It is equipped with several vacuum tanks on the surface of the fixture curved surface, vacuum sucking holes are set in the vacuum trench bottom, described
Fixture curved surface two sides be equipped with several threaded holes；The special fixture includes auxiliary pressing plate, the auxiliary pressing plate and bottom plate
Between to be detachably connected.
Further specifically, the auxiliary pressing plate is equipped with screw hole, screw is set in the screw hole, it is described
Bolts through bolt holes be fixed in threaded hole.
Further specifically, the vacuum tank includes vertical vacuum tank and lateral vacuum tank, the vertical vacuum tank
It is vertical and interconnected between lateral vacuum tank.
Further specifically, the vacuum sucking holes are multiple, and it is evenly distributed in vacuum tank.
The beneficial effects of the present invention are: solving vacuum chuck after using above-mentioned technique and the special fixture of cooperation
It is the problem of adsorption curve, more significant in particular for aviation hydraulic system pipeline thin-wall part effect, facilitate processing, it is not variable
Shape further increases the quality of production and production efficiency of product, reduces cost.
Detailed description of the invention
Fig. 1 is process flow chart of the invention；
Fig. 2 is the structural schematic diagram of special fixture of the present invention；
Fig. 3 is the enlarged structure schematic diagram of part A in Fig. 2.
In figure: 1, pedestal；2, fixture curved surface；3, vacuum tank；4, vacuum sucking holes；5, threaded hole；6, pressing plate is assisted；7, screw
Hole；31, lateral vacuum tank；32, vertical vacuum tank.
Specific embodiment
The present invention is explained in detail with reference to the accompanying drawing.
A kind of processing technology of curved surface thin-wall tube as depicted in figs. 1 and 2, the processing technology step include,
S1, processing negative camber, the raw material for taking size, length suitable simultaneously process negative camber at it by lathe on one side；?
Go out the negative camber of thin-wall tube in the one side of one cuboid by Cutter Body Processing with Machining Center, directly by its negative camber machine-shaping and
It is surface-treated.
S2, processing technology platform respectively process a process area for fixing at the both ends of negative camber by lathe；Process area
Its shape is determined according to fixed form.
S3, processing technology slot, process several technology grooves on the raw material back side opposite with negative camber, and the technology groove is
In a crisscross manner, the main function of technology groove can be guaranteed interior when the fixture curved surface 2 of negative camber and special fixture is contacted
Curved surface is bonded with fixture curved surface 2, and technology groove is divided into lateral technology groove and vertical technology groove, and lateral technology groove has with vertical technology groove
Intersect, while raw material is divided into the body that several cross sections are quadrangle, perfect fitting is realized by the effect of raw material gravity；Into
One step, distance is identical between adjacent two lateral technology grooves, and the distance between vertical technology groove of adjacent two is identical；Into one
Step, is mutually perpendicular between lateral technology groove and vertical technology groove, and moves towards arrangement with negative camber；The distribution of technology groove is realized
The degree that negative camber is bonded completely under the effect of gravity.
Negative camber, is fixed on the fixture curved surface 2 of special fixture by the process area processed, is led to by S4, fixed raw material
It crosses and inhales the fixation that vacuum realizes raw material on the fixture curved surface 2 of the special fixture；Two fabrication holes are processed on process area
And in fabrication hole configure two screws, screw pass through fabrication hole be fixed on special fixture, and guarantee simultaneously negative camber and specially
It is bonded with the fixture curved surface 2 of fixture, fabrication hole is settable multiple as needed, and the purpose is to guarantee more adding for negative camber fitting
Entirely, when being installed, the sequence of screw-driving is controlled, and best mode is synchronized for both sides and tightened；Pass through exclusive clamps
Vacuum sucking holes 4 and vacuum tank 3 on tool adsorb negative camber, due to the complete fitting of negative camber, without gas leakage, so that
Product is firmly fitted on special fixture.
S5, processing positive camber carry out material processing by raw material of the lathe to the negative camber back side, are directly processed to required song
The thickness of face thin-wall tube；Material processing is carried out to extra raw material by milling machine and machining center, guarantees the radian of positive camber,
Until machine-shaping.
Semi-finished product thin-wall tube is compressed by auxiliary pressing plate 6, unclamps process area, pass through lathe by S6, forming thin-walled tube end
Process mill off process area；It assists being arch below pressing plate 6, shape is bonded completely with thin-wall tube positive camber, and in auxiliary pressing plate 6
Upper setting screw hole 7, bolts through bolt holes 7 will assist pressing plate 6 to be fixed on special fixture；The number for assisting pressing plate 6 is two
It is a, it is separately positioned on close to the position of process area, after semi-finished product thin-wall tube is fixed, unclamps the screw on process area, pass through milling
Bed removes process area, completes the processing of thin-wall tube.
The special fixture combination attached drawing in above-mentioned technique is described in detail below.
A kind of special fixture of curved surface thin-wall tube clamping as shown in Figures 2 and 3, including bottom plate 1 and to be located at bottom plate 1 upward
The fixture curved surface 2 of protrusion is equipped with several vacuum tanks 3, in 3 bottom of vacuum tank on the surface of the fixture curved surface 2
Vacuum sucking holes 4 are set, are equipped with several threaded holes 5 in 2 two sides of fixture curved surface；The special fixture includes auxiliary pressing plate
6, it is detachably connected between the auxiliary pressing plate 6 and bottom plate 1.Assisting the connection type of pressing plate 6 and bottom plate 1, there are many shapes
Formula, such as clamping and screw connection, and screw connecting mode is more preferable in cost and the stability of fixation, therefore use screw
Connection type is equipped with screw hole 7 on the auxiliary pressing plate 6, screw, the screw is arranged in the screw hole 7
It is fixed in threaded hole 5 across screw hole 7, auxiliary pressing plate 6 is arranged two, is separately positioned on the both ends of fixture curved surface 2, purpose
It is compressing component, when processing, if the length of part is too long, can be fixed using multiple auxiliary pressing plates 6.
It is to carry out adsorbent parts in the main function for the vacuum tank 3 that the surface of fixture curved surface 2 is formed, structure is vacuum tank
3 include vertical vacuum tank 32 and lateral vacuum tank 31, vertical and phase between the vertical vacuum tank 32 and lateral vacuum tank 31
It is intercommunicated, when absorption, inner air is sucked out by the vacuum sucking holes 4 of 3 bottom of vacuum tank, the fixture that part is adsorbed
On curved surface 2；In order to guarantee the uniformity of absorption, the vacuum sucking holes 4 are multiple, and are evenly distributed in vacuum tank 3, then
Further vertical vacuum tank 32 is uniformly distributed with lateral vacuum tank 31.
Thin-wall tube cooperates special fixture by above-mentioned process, and process makes the simplified processing of part, side
Just change；Special fixture is guaranteed on part curved surface using the netted intersection fluting design of curved surface, while using the method for segmented seal
Each point can be uniformly adsorbed on chucking surface.The auxiliary pressing plate 6 of two sides, the clamping for increasing entire chucking appliance system are rigid
Property；It does not need to be processed using special equipment, reduce costs, improve the quality of product, realize aviation liquid
Press the common process of system pipeline thin-wall part.
It is emphasized that: the above is only presently preferred embodiments of the present invention, not make in any form to the present invention
Limitation, any simple modification, equivalent change and modification to the above embodiments according to the technical essence of the invention,
All of which are still within the scope of the technical scheme of the invention.
Claims (6)
1. a kind of processing technology of curved surface thin-wall tube, which is characterized in that the processing technology step includes,
S1, processing negative camber, the raw material for taking size, length suitable simultaneously process negative camber at it by lathe on one side；
S2, processing technology platform respectively process a process area for fixing at the both ends of negative camber by lathe；
S3, processing technology slot, process several technology grooves on the raw material back side opposite with negative camber, and the technology groove is in length and breadth
Staggeredly；
Negative camber, is fixed on the fixture curved surface of special fixture, by institute by S4, fixed raw material by the process area processed
The fixation that vacuum realizes raw material is inhaled on the fixture curved surface for the special fixture stated；
S5, processing positive camber carry out material processing by raw material of the lathe to the negative camber back side, it is thin to be directly processed to required curved surface
The thickness of wall pipe；
Semi-finished product thin-wall tube is compressed by auxiliary pressing plate, unclamps process area, pass through machine tooling by S6, forming thin-walled tube end
Mill off process area completes processing.
2. the processing technology of curved surface thin-wall tube according to claim 1, which is characterized in that the technique in the step S3
Slot includes vertical technology groove and lateral technology groove, and distance is identical between the adjacent vertical technology groove, the adjacent transverse direction
Distance is identical between technology groove.
3. the processing technology of curved surface thin-wall tube according to claim 1, which is characterized in that the technique in the step S3
Slot includes vertical technology groove and lateral technology groove, is mutually perpendicular between the vertical technology groove and lateral technology groove.
4. the processing technology of curved surface thin-wall tube according to claim 1, which is characterized in that be arranged on the process area
Fabrication hole, the raw material are fixed on special fixture by fabrication hole and screw.
5. the processing technology of curved surface thin-wall tube according to claim 1, which is characterized in that the auxiliary pressing plate passes through spiral shell
Nail is fixed on special fixture.
6. the processing technology of curved surface thin-wall tube according to claim 1, which is characterized in that be below the auxiliary pressing plate
With the arch of thin-wall tube positive camber adhered shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710423297.6A CN106984991B (en) | 2017-06-07 | 2017-06-07 | A kind of processing technology and its special fixture of curved surface thin-wall tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710423297.6A CN106984991B (en) | 2017-06-07 | 2017-06-07 | A kind of processing technology and its special fixture of curved surface thin-wall tube |
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| Publication Number | Publication Date |
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| CN106984991A CN106984991A (en) | 2017-07-28 |
| CN106984991B true CN106984991B (en) | 2019-05-17 |
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| CN201710423297.6A Active CN106984991B (en) | 2017-06-07 | 2017-06-07 | A kind of processing technology and its special fixture of curved surface thin-wall tube |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108296722A (en) * | 2018-02-11 | 2018-07-20 | 苏州市意可机电有限公司 | A kind of multigroup processing technology for closing multi-angle curved surface |
| CN111015788B (en) * | 2019-11-26 | 2022-04-05 | 北京航星机器制造有限公司 | Method for processing irregular space curved surface part of thin wall made of nylon material |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55160440A (en) * | 1979-05-31 | 1980-12-13 | Chiyou Lsi Gijutsu Kenkyu Kumiai | Device for fixing thin plate |
| CN203245646U (en) * | 2013-03-20 | 2013-10-23 | 沈阳飞机工业（集团）有限公司 | Universal vacuum fixture |
| CN103639797A (en) * | 2013-11-28 | 2014-03-19 | 江西洪都航空工业集团有限责任公司 | Double-curvature profile surface vacuum absorption platform and method for machining thickness of double-curvature skin |
| CN204913401U (en) * | 2015-09-08 | 2015-12-30 | 江西天之翔航空数控技术有限责任公司 | Intake duct wallboard processing frock |
| CN205950347U (en) * | 2016-08-24 | 2017-02-15 | 中国航天科技集团公司长征机械厂 | Melon lamella attenuate milling vacuum adsorption equipment |
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| CP02 | Change in the address of a patent holder |
Address after: No. 188 Chunguang Road, Huangdao Town, Xiangcheng District, Suzhou City, Jiangsu Province, 215000 Patentee after: Suzhou Yike Electromechanical Co.,Ltd. Address before: 215000 No. 11 Zhongan Road, Puzhuang, Linhu Town, Wuzhong District, Suzhou City, Jiangsu Province Patentee before: Suzhou Yike Electromechanical Co.,Ltd. |
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Address after: 215143 No. 200, Xinxiang Village Road, Huangdai Town, Xiangcheng District, Suzhou City, Jiangsu Province Patentee after: SUZHOU YIKE ELECTROMECHANICAL Co.,Ltd. Address before: No. 188 Chunguang Road, Huangdao Town, Xiangcheng District, Suzhou City, Jiangsu Province, 215000 Patentee before: SUZHOU YIKE ELECTROMECHANICAL Co.,Ltd. |
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| CP03 | Change of name, title or address |
Address after: 215143 No. 2, shanjiaobang Road, Huangdai Town, Xiangcheng District, Suzhou City, Jiangsu Province Patentee after: Jiangsu Yike Aviation Technology Co.,Ltd. Address before: 215143 No. 200, Xinxiang Village Road, Huangdai Town, Xiangcheng District, Suzhou City, Jiangsu Province Patentee before: SUZHOU YIKE ELECTROMECHANICAL Co.,Ltd. |