CN104226770B - Skin pulling stretch forming mould clamping device and process method thereof - Google Patents
Skin pulling stretch forming mould clamping device and process method thereof Download PDFInfo
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- CN104226770B CN104226770B CN201410466156.9A CN201410466156A CN104226770B CN 104226770 B CN104226770 B CN 104226770B CN 201410466156 A CN201410466156 A CN 201410466156A CN 104226770 B CN104226770 B CN 104226770B
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- clamp
- hydraulic cylinder
- mould
- driving hydraulic
- clamping
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Abstract
The invention relates to a skin pulling stretch forming mould clamping device. A vertical support is arranged on a base and a clamping plate driving hydraulic cylinder is horizontally arranged on the outer surface of the support; the clamping plate driving hydraulic cylinder drives a clamping plate and a clamping plate arc-shaped end is arranged at the front end of the clamping plate; a positioning sensor is arranged on the upper end face of the support. In a part stretch forming process, the device has the optimal direction of blank forming and process characteristics; the invention provides the skin pulling stretch forming mould clamping device which is reasonable in structure, simple to mount, convenient to replace, large in applicable range and low in cost, and a process method thereof, so that the touch direction of a blank with a forming mould in a forming process is an optimal forming direction of the blank, and the forming quality of a skin part is ensured.
Description
Technical field
The invention is related to a kind of skinning surface clamping mould device and its process, for aircraft skin class part
Positioning in Stretch Forming Process, belongs to field of machining.
Background technology
Skinning surface is a kind of traditional eyelid covering manufacturing process, is widely used, especially for fight in aircraft manufacturing
The eyelid covering of machine shapes application relatively extensively, and the forming quality of eyelid covering has a strong impact on the life-span of aircraft.During current aircraft skinning surface
, by being manually placed on pull-shaped equipment workbench, the riding position of mould and angle be not arbitrarily, accurate for the mould of part
Require, hand labor intensity is big simultaneously, and because skinning surface blank has anisotropy, in Stretch Forming Process, if part does not have
Have and shape along optimum draw direction, skinning surface part usually occurs the defects, therefore blank such as skid wire, coarse-grain longitudinal direction bulge
Whether mould directly affects skin part forming quality along optimum shaping direction stretching, so rationally determining blank and mould
Contact direction very crucial.
Content of the invention
The technical problem to be solved in the present invention is to provide a kind of skinning surface clamping mould device and its process, this dress
Put in part Stretch Forming Process, blank shapes optimal direction and process characteristic, provide a kind of rational in infrastructure, install simple, convenient
Change, be applied to that scope is big, the skinning surface clamping mould device of low cost and its process, make blank in forming process
Contacting direction with shaping dies is that the optimum of blank shapes direction, to ensure the forming quality of skin part.
For solving problem above, the concrete technical scheme of the present invention is as follows: a kind of skinning surface clamping mould device, in base
Seat is provided with vertical bearing, is horizontally disposed with clamp driving hydraulic cylinder, clamp driving hydraulic cylinder driving card in the outer surface of bearing
Plate, is provided with clamp arced terminus in the front end of clamp；Alignment sensor is provided with the upper surface of bearing.
Using the process to skinning surface for the device as claimed in claim 1, comprise the following steps:
1) some groups of clamping devices are arranged on movable working platform, every group of clamping device has two, and be arranged in pairs in can
The two ends of mobile work platform；
2) skin part to be tensioned is placed on pull-shaped mould, pull-shaped mould is positioned by clamp arced terminus；
3) drive clamp driving hydraulic cylinder, and every group of corresponding clamp whether synchronization telescope is monitored by alignment sensor；
4) when skin drawing completes, alignment sensor detects the stretching distance of setting, and clamp driving hydraulic cylinder stops work
Make.
The quantity of described clamping device setting is defined according to the length of eyelid covering, the draw direction of clamping device simultaneously
With covering die central axis.
This skinning surface clamping mould device and its process can be adopted according to the shapes and sizes of skinning surface mould
Realize the positioning and clamping of multiple kinds of molds with the clamping fixed position of multiple positions, make the contact direction composite blank that mould is with blank
Optimum draw direction, complete the pull-shaped technique of skin part, thus ensureing forming quality and the aircraft utilization longevity of skin part
Life.
Brief description
Fig. 1 is the structural representation of skinning surface clamping mould device.
Fig. 2 is skinning surface clamping mould device application schematic diagram.
Specific embodiment
As shown in figure 1, a kind of skinning surface clamping mould device, vertical bearing 7 is provided with pedestal 8, in bearing 7
Outer surface is horizontally disposed with clamp driving hydraulic cylinder 6, and clamp driving hydraulic cylinder 6 drives clamp 11, is provided with card in the front end of clamp 11
Plate arced terminus 10；Alignment sensor 9 is provided with the upper surface of bearing 7.This clamping device is designed to free installation and removal
Structure, using during different mould it is only necessary to according to mould size and shape select or exchange one group or several groups.
Using the process to skinning surface for the device as claimed in claim 1, comprise the following steps:
1) some groups of clamping devices are arranged on movable working platform 1, as shown in Fig. 2 reference 2-5 is corresponding to
The clamping device of different groups, every group of clamping device has two two ends being arranged in pairs in movable working platform 1；
2) skin part to be tensioned is placed on pull-shaped mould, pull-shaped mould is positioned by clamp arced terminus；
3) drive clamp driving hydraulic cylinder 6, and whether synchronization is stretched to monitor every group of corresponding clamp 11 by alignment sensor 9
Contracting；
4) when skin drawing completes, alignment sensor detects the stretching distance of setting, and clamp driving hydraulic cylinder 6 stops work
Make, that is, complete the drawing work of eyelid covering.
The quantity of described clamping device setting is defined according to the length of eyelid covering, adopts four groups in the present embodiment, with
When clamping device draw direction and covering die central axis, now the optimum draw direction of blank be and mold center's line
Vertically, now blank is stretched, blank can complete blank along optimum stretching along optimum draw direction laminating die forming
The shaping in direction.
Claims (2)
1. the process to skinning surface for a kind of employing skinning surface clamping mould device, wherein skinning surface clamping mould fill
Putting structure is, is provided with vertical bearing (7), is horizontally disposed with clamp driving hydraulic cylinder in the outer surface of bearing (7) on pedestal (8)
(6), clamp driving hydraulic cylinder (6) drives clamp (11), is provided with clamp arced terminus (10) in the front end of clamp (11)；In bearing
(7) upper surface is provided with alignment sensor (9)；
It is characterized in that process comprises the following steps:
1) some groups of clamping devices are arranged on movable working platform (1), every group of clamping device has two, and be arranged in pairs in can
The two ends of mobile work platform (1)；
2) skin part to be tensioned is placed on pull-shaped mould, pull-shaped mould is positioned by clamp arced terminus；
3) drive clamp driving hydraulic cylinder (6), and whether monitor every group of corresponding clamp (11) by alignment sensor (9) synchronous
Flexible；
4) when skin drawing completes, alignment sensor detects the stretching distance of setting, and clamp driving hydraulic cylinder (6) stops work
Make.
2. skinning surface as claimed in claim 1 process it is characterised in that: the quantity of described clamping device setting
It is defined according to the length of eyelid covering, simultaneously the draw direction of clamping device and covering die central axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410466156.9A CN104226770B (en) | 2014-09-15 | 2014-09-15 | Skin pulling stretch forming mould clamping device and process method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410466156.9A CN104226770B (en) | 2014-09-15 | 2014-09-15 | Skin pulling stretch forming mould clamping device and process method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104226770A CN104226770A (en) | 2014-12-24 |
| CN104226770B true CN104226770B (en) | 2017-01-25 |
Family
ID=52216175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410466156.9A Active CN104226770B (en) | 2014-09-15 | 2014-09-15 | Skin pulling stretch forming mould clamping device and process method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104226770B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110314993B (en) * | 2019-08-07 | 2023-09-22 | 沈阳飞机工业（集团）有限公司 | Clamp for connecting and fixing drawing die and drawing machine and fixing method thereof |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5259062A (en) * | 1975-11-11 | 1977-05-16 | Nippon Dev Consult | Method of and apparatus for pressing steel pipes |
| CN201147795Y (en) * | 2008-01-15 | 2008-11-12 | 王江武 | Section bar dynamic former |
| CN101221032B (en) * | 2008-01-23 | 2010-08-25 | 北京航空航天大学 | Combined skin-covering face measuring flexible multi-point support device |
| CN102205366B (en) * | 2010-11-15 | 2012-09-05 | 吉林大学 | Flexible stretch-forming device capable of reconstructing one-way continuous die surface |
| CN102101363B (en) * | 2010-12-24 | 2013-07-31 | 哈尔滨工业大学（威海） | Multi-point forming device for plate |
| CN102490133A (en) * | 2011-12-01 | 2012-06-13 | 河海大学常州校区 | Modularizing multipoint flexible fixture |
| CN204108068U (en) * | 2014-09-15 | 2015-01-21 | 沈阳飞机工业（集团）有限公司 | A kind of skinning surface clamping mould device |
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2014
- 2014-09-15 CN CN201410466156.9A patent/CN104226770B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104226770A (en) | 2014-12-24 |
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