CN203371308U - Flexible clamping device for space curved face thin-wall piece - Google Patents
Flexible clamping device for space curved face thin-wall piece Download PDFInfo
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- CN203371308U CN203371308U CN201320417646.0U CN201320417646U CN203371308U CN 203371308 U CN203371308 U CN 203371308U CN 201320417646 U CN201320417646 U CN 201320417646U CN 203371308 U CN203371308 U CN 203371308U
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- space curved
- curved surface
- wall part
- holding device
- fixed
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Abstract
The utility model relates to a flexible clamping device for a space curved face thin-wall piece. A plurality of single bodies form a module, the single bodies structurally comprise hollow supporting bodies with the top ends being provided with ball-face grooves, suckers, locating parts, incomplete ball bodies, anti-disengaging covers, supporting pillars, fixing blocks, lead screw nuts, ball lead screws, supporting cylinders, bearings, couplers, servo motors, vacuum pumps and pneumatic switches. The flexible clamping device is mainly divided into a locating clamping system, a transmission system, a supporting system and a pneumatic system. The flexible clamping device has the advantages of being simple in structure, wide in application range, easy to repair and maintain, high in efficiency, strong in economical benefit, good in quality and the like.
Description
Technical field: the utility model relates to a kind of aircraft skin processing and assembling clamping device, particularly a kind of space curved surface thin-wall part flexible holding device.
Background technology: aircraft skin is the strength member that guarantees aircraft aerodynamics, and its machining accuracy has significant impact to the quality of aircraft.Our seen space shuttle covering is all the thin-wall part structure at present, by sheet metal component or composite material thin wall plate, through riveted joint, formed, these member curved surface radians are uncertain, physical dimension is large, complex-shaped, riveted joint face is many, so the clamping difficulty of covering in the production assembling process is very large.According to these characteristics, in the riveted joint process is carried out in the production assembling, be subject to the impact of absorption affinity and rivet force to be very easy to produce distortion, affect Aircraft Quality.
Common aircraft skin flexible clamping system price costliness, technical sophistication.In addition because the kind of covering is more and production lot is less, need to be after producing a period of time, location shape according to different covering model change fixtures, cause low in economic efficiency, all a kind ofly can accurately locate, the flexible fixture of restructural fixture form meets the production requirement of aircraft skin by the exigence research and design for these problems, adapts to different Skin Parts profiles.
The utility model content: for above-mentioned the deficiencies in the prior art, the utility model provide a kind of simple in structure, accurate location,, the flexible fixture of highly versatile, restructural fixture form, be applicable to processing and the assembling of aircraft different parts Skin Parts.
For achieving the above object, the technical solution adopted in the utility model is: a kind of space curved surface thin-wall part flexible holding device, by module of a plurality of monomer compositions, the structure of monomer comprises hollow support body (1), sucker (2), keeper (3), imperfect spheroid (4), cap fall prevention (5), pillar (8), fixed block (9), feed screw nut (11), ball screw (12), cylinder (13), bearing (14), shaft coupling (16) and the servomotor (17) of top with spherical groove.Sucker (2) is fixed in the spherical groove on hollow support body (1) top.Sucker (2) is connected with vavuum pump (22) by jettron (24).Hollow support body (1) is fixed on the upper end of pillar (8).It is upper that pillar (8) is fixed on feed screw nut (11), and ball screw (12) is in feed screw nut (11).Pillar (8) both sides are provided with slideway, with fixed block (9), together form guideway.It is upper that the front end of ball screw (12) withstands on fixed block (9), and rear end is passed bearing (14), is connected with servomotor (17) by shaft coupling (16).Feed screw nut (11) is connected with bearing (14).By supporting construction, a plurality of monomers are fixed together.
Preferably, the end of sucker (2), through keeper (3), imperfect spheroid (4) and cap fall prevention (5), is fixed on by nut (6) in the spherical groove on hollow support body (1) top.
Preferably, hollow support body (1) is connected with pillar (8) by upper flange plate (7).
Preferably, feed screw nut's (11) upper end is provided with flange (10).
Preferably, feed screw nut (11) is connected with bearing (14) by rear stub (15).
Preferably, described supporting construction comprises upper plate lid (18), lower plate lid (19), steel bar (20) and connection assist (21).Upper plate lid (18) is connected by steel bar (20) with lower plate lid (19).Connection assist (21) is fixed on the edge of upper plate lid (18).Monomer is through upper plate lid (18) and lower plate lid (19).
Advantage of the present utility model and good effect are:
The utility model has overcome in the prior art well because large, complex-shaped the brought clamping difficulty of the physical dimension of space curved surface thin-wall part is large and the problem of clamping deformation, solved because the kind of covering is more and production lot is less, need to be after producing a period of time, need, according to the production practical difficulty of the location shape of different covering model change fixtures, be specially:
1. flexible positioning and clamping mechanism, design concept advanced person.The utility model has been used advanced flexible positioning and clamping mechanism, to original technology, is a historical breakthrough; Flexible positioning and clamping mechanism has been realized a kind ofly can automatically adapting to according to the variation of curve surface of workpiece method vector, the flexible locating and clamping apparatus of centering.
2. Dual module structure, the design form novelty.The utility model has adopted the Dual module structure, and stronger flexibility is provided, and completes more heavy parts process and assemble task, has improved economic benefit.
3. the vacuum clamping mode, be more suitable for present generation aircraft.The utility model adopts pneumatic mode that enough vacuum adsorption forces are provided, safe and reliable, applied widely.
4. the utility model maintenance is easy, and nine cupule heads work alone, and a certain cupule head is easy to while breaking down detect, maintenance, very convenient.
The accompanying drawing explanation:
Fig. 1 is the structural representation of the utility model monomer.
Fig. 2 is the enlarged drawing at monomer sucker place.
Fig. 3 is the pneumatic structure schematic diagram.
Fig. 4 is the utility model single module structure schematic diagram.
The specific embodiment:
As shown in Figure 1-Figure 3: a kind of space curved surface thin-wall part flexible holding device, by module of nine monomer compositions, the structure of monomer comprises hollow support body 1, sucker 2, keeper 3, imperfect spheroid 4, cap fall prevention 5, upper flange plate 7, pillar 8, fixed block 9, flange 10, feed screw nut 11, ball screw 12, cylinder 13, bearing 14, lower flange 15, shaft coupling 16 and the servomotor 17 of top with spherical groove.Sucker 2 is fixed in the spherical groove on hollow support body 1 top.Sucker 2 is connected with vavuum pump 22 by jettron 24.Hollow support body 1 is fixed on the upper end of pillar 8.Pillar 8 is fixed on feed screw nut 11, and ball screw 12 is in feed screw nut 11.Pillar 8 both sides are provided with slideway, with fixed block 9, together form guideway.The front end of ball screw 12 withstands on fixed block 9, and rear end is passed bearing 14, is connected with servomotor 17 by shaft coupling 16.Feed screw nut 11 is connected with bearing 14.By supporting construction, nine monomers are fixed together.The end of sucker 2, through keeper 3, imperfect spheroid 4 and cap fall prevention 5, is fixed on by nut 6 in the spherical groove on hollow support body 1 top.Hollow support body 1 is connected with pillar by upper flange plate 7.Feed screw nut 11 upper end is provided with flange 10.Feed screw nut 11 is connected with bearing 14 by rear stub 15.
As shown in Figure 4: described supporting construction comprises upper plate lid 18, lower plate lid 19, steel bar 20 and connection assist 21.Upper plate lid 18 is connected by steel bar 20 with lower plate lid 19.Connection assist 21 is fixed on the edge of upper plate lid 18.Nine monomers are through upper plate lid 18 and lower plate lid 19.
Operation principle of the present utility model is: this flexible clamping tool mainly is comprised of transmission system and pneumatic system.Hollow support body tip designs becomes spherical groove, and below is connected with transmission system, sucker can be delivered to proper height, and the secondary syndeton of top and self-align spherical balling-up can free relative motion; The Screwed suction tube inside of imperfect spheroid bottom is provided with four air flues and leads to the spheroid upper surface, and for Pneumatic clamping, spheroid top is connected with sucker with locating element, drives sucker and locating element motion, realizes the adaptive location clamping.Wherein transmission system is mainly by 9 transmission monomer compositions, the transmission monomer as shown in Figure 1, the power that servomotor 17 produces sends ball-screw 12 to by shaft coupling 16, pillar 8 is bolted on ball-screw nut 11, and, with the upper and lower motion of ball-screw nut 11, realize sucker 2 is delivered to due height.For guaranteeing that rectilinear motion only occurs strut assemblies, this device is provided with guideway.Pillar 8 both sides are provided with slideway, with fixed block 9, together form guideway, and fixed block 9 is bolted on support system.Pillar 8 upper ends are connected with upper flange plate 7 by bolt, and upper flange plate 7 upper ends connect positioning clamping device, and pillar 8 lower ends are connected on feed screw nut 11; The pneumatic system course of work is as follows: the vacuum gas produced by vavuum pump 22 is transported to vacuum cup 2, and vacuum cup 2 contacts with aircraft skin, because extraneous air pressure is greater than the air pressure in vacuum cup 2, compacting skin is adsorbed on vacuum cup 2.The vacuum suction subsystem is when work, vavuum pump produces the negative-pressure gas that the certain vacuum degree is arranged, negative-pressure gas connects vacuum cup 2, make vacuum cup 2 produce absorption affinity, thereby clamping covering, according to the different size of covering, can control corresponding vacuum cup duty with air circuit breaker for obsolete vacuum cup, realized the recombination function of fixture form.Realize the function of device-adaptive, self-align clamping covering by transmission system and pneumatic system, efficiently solved the problem of aircraft skin clamping difficulty in processing and assembling process.
Claims (8)
1. a space curved surface thin-wall part flexible holding device, it is characterized in that: by module of a plurality of monomer compositions, the structure of monomer comprises hollow support body (1), sucker (2), keeper (3), imperfect spheroid (4), cap fall prevention (5), pillar (8), fixed block (9), feed screw nut (11), ball screw (12), cylinder (13), bearing (14), shaft coupling (16) and the servomotor (17) of top with spherical groove, sucker (2) is fixed in the spherical groove on hollow support body (1) top, hollow support body (1) is fixed on the upper end of pillar (8), pillar (8) is fixed on feed screw nut (11), ball screw (12) is in feed screw nut (11), pillar (8) both sides are provided with slideway, together form guideway with fixed block (9), the front end of ball screw (12) withstands on fixed block (9), rear end is through bearing (14), by shaft coupling (16), with servomotor (17), be connected, feed screw nut (11) is connected with bearing (14), by supporting construction, a plurality of monomers are fixed together.
2. a kind of space curved surface thin-wall part flexible holding device as claimed in claim 1, it is characterized in that: the end of described sucker (2), through keeper (3), imperfect spheroid (4) and cap fall prevention (5), is fixed on by nut (6) in the spherical groove on hollow support body (1) top.
3. a kind of space curved surface thin-wall part flexible holding device as claimed in claim 1 is characterized in that: hollow support body (1) is connected with pillar (8) by upper flange plate (7).
4. a kind of space curved surface thin-wall part flexible holding device as claimed in claim 1, it is characterized in that: described monomer is nine.
5. a kind of space curved surface thin-wall part flexible holding device as claimed in claim 1, it is characterized in that: feed screw nut's (11) upper end is provided with flange (10).
6. a kind of space curved surface thin-wall part flexible holding device as claimed in claim 1 is characterized in that: feed screw nut (11) is connected with bearing (14) by rear stub (15).
7. a kind of space curved surface thin-wall part flexible holding device as claimed in claim 1 is characterized in that: described supporting construction comprises upper plate lid (18), lower plate lid (19), steel bar (20) and connection assist (21); Upper plate lid (18) is connected by steel bar (20) with lower plate lid (19), and connection assist (21) is fixed on the edge of upper plate lid (18), and monomer is through upper plate lid (18) and lower plate lid (19).
8. a kind of space curved surface thin-wall part flexible holding device as claimed in claim 1 is characterized in that: sucker (2) is connected with vavuum pump (22) by jettron (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320417646.0U CN203371308U (en) | 2013-07-12 | 2013-07-12 | Flexible clamping device for space curved face thin-wall piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320417646.0U CN203371308U (en) | 2013-07-12 | 2013-07-12 | Flexible clamping device for space curved face thin-wall piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203371308U true CN203371308U (en) | 2014-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320417646.0U Expired - Fee Related CN203371308U (en) | 2013-07-12 | 2013-07-12 | Flexible clamping device for space curved face thin-wall piece |
Country Status (1)
| Country | Link |
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| CN (1) | CN203371308U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103481089A (en) * | 2013-07-12 | 2014-01-01 | 沈阳航空航天大学 | Flexible clamping device for spatial curved surface thin-walled part |
| CN107984270A (en) * | 2017-11-22 | 2018-05-04 | 上海理工大学 | The Pneumatic flexible fixture of curved surface class Thin-walled Workpiece |
| CN109894888A (en) * | 2019-02-19 | 2019-06-18 | 大连理工大学 | A kind of frost support device and method being directed to large thin-wall element |
| CN112025356A (en) * | 2020-08-29 | 2020-12-04 | 中国航发南方工业有限公司 | Device for machining thin-wall through hole parts |
| CN113146453A (en) * | 2021-04-23 | 2021-07-23 | 刘月林 | Polishing supporting equipment for curved-surface metal sheet |
| CN115026608A (en) * | 2022-05-27 | 2022-09-09 | 嘉兴市麓涵精密机械有限公司 | Plate modular fixture |
-
2013
- 2013-07-12 CN CN201320417646.0U patent/CN203371308U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103481089A (en) * | 2013-07-12 | 2014-01-01 | 沈阳航空航天大学 | Flexible clamping device for spatial curved surface thin-walled part |
| CN107984270A (en) * | 2017-11-22 | 2018-05-04 | 上海理工大学 | The Pneumatic flexible fixture of curved surface class Thin-walled Workpiece |
| CN109894888A (en) * | 2019-02-19 | 2019-06-18 | 大连理工大学 | A kind of frost support device and method being directed to large thin-wall element |
| CN112025356A (en) * | 2020-08-29 | 2020-12-04 | 中国航发南方工业有限公司 | Device for machining thin-wall through hole parts |
| CN112025356B (en) * | 2020-08-29 | 2022-06-07 | 中国航发南方工业有限公司 | Device for machining thin-wall through hole parts |
| CN113146453A (en) * | 2021-04-23 | 2021-07-23 | 刘月林 | Polishing supporting equipment for curved-surface metal sheet |
| CN115026608A (en) * | 2022-05-27 | 2022-09-09 | 嘉兴市麓涵精密机械有限公司 | Plate modular fixture |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140101 Termination date: 20140712 |
|
| EXPY | Termination of patent right or utility model |