CN202539970U - Full-pneumatic flexible positioning retaining device - Google Patents
Full-pneumatic flexible positioning retaining device Download PDFInfo
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- CN202539970U CN202539970U CN2012201083775U CN201220108377U CN202539970U CN 202539970 U CN202539970 U CN 202539970U CN 2012201083775 U CN2012201083775 U CN 2012201083775U CN 201220108377 U CN201220108377 U CN 201220108377U CN 202539970 U CN202539970 U CN 202539970U
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- moving axis
- movable shaft
- pneumatic flexible
- holding unit
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- 230000033001 locomotion Effects 0.000 claims abstract description 6
- 238000012856 packing Methods 0.000 claims description 4
- 238000011084 recovery Methods 0.000 claims description 2
- 230000008859 change Effects 0.000 abstract description 2
- 230000003139 buffering effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 241001074085 Scophthalmus aquosus Species 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 241000743339 Agrostis Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
The utility model discloses a positioning retaining device for automatic drilling-riveting of airplane skin and particularly discloses a full-pneumatic flexible positioning retaining device. The full-pneumatic flexible positioning retaining device comprises an actuating cylinder and a movable shaft capable of moving in the actuating cylinder, wherein a universal suction cup seat and a suction cup are arranged at the top end of the movable shaft. A bottom plate for fixing the whole positioning retaining device, a movable shaft locking device and a movable shaft buffering device are mounted on the actuating cylinder, the internal space of the actuating cylinder, the movable shaft and a piston play the role of an air cylinder, and the moving direction of the movable shaft is changed by switching air inlets. A sensor is mounted on the suction cup and can control an air valve to change the air inlet capacity, so as to switch the speed of the movable shaft into low speed. Through the motion of the movable shaft and the suction cup, a flexible fixture capable of automatically adjusting shape and being suitable for different skins is formed.
Description
Technical field
The utility model relates to the location holding unit that riveting is bored in a kind of aircraft skin automation, especially a kind of full Pneumatic flexible location holding unit.
Background technology
Aircraft skin is as the vital part that constitutes the aircraft aerodynamic configuration, its complex contour, and size range changes greatly, and rigidity is low, and production lot is little.Traditional diamond-making technique is that covering is fixed on the rigidity anchor clamps, bores riveting again, and labor intensity is big, and borehole accuracy is low, and riveting quality is poor.In recent years, in order to realize the accurately efficient brill riveting of covering, improve workmanship, external aircratfsman has gradually adopted based on the numerical control of flexible frock and has bored the riveter skill.Begin from phase early 1990s; The flexible frock of overseas enterprise's exploitation has been used for the processing and manufacturing process of parts such as covering, wallboard, hatch door, wing and the digitlization flexible assembly of aircraft by planemakers such as Boeing, Air Passenger, McDonnell Douglas, greatly improved production efficiency and crudy.Comparatively speaking, China is comparatively backward aspect the research and development application of covering numerical control brill riveting and flexible frock.
Document " fourth sheath or bow case .TORRESMILL_ and TORRESTOOL_ system covering side cut drilling and milling machine and flexible fixture device [J]. aero-manufacturing technology .2007 (2) " in introduced external a kind of TORRESTOOL Flexible Clamp System by name; The most typical structure of this cover system is a horizontal triaxial; It is made up of several framed bents; Each framed bent can independently move along the X axle under computer program instructions control; Several support bars are arranged on each framed bent, each support bar can be in the commands for controlling lower edge Y axle and Z-direction independently move.Aspect at home, Tsing-Hua University proposes a kind of intelligence flexible fixture system that is used for the large thin-wall element cut based on the robot centralized driving, and its core concept is to replace inner drive mode through the special purpose robot with the mode of outside centralized driving.Like this, Z only need be realized to driving in each unit, need not X, Y to drive motors and transmission device, and X, Y are realized by unified driving of special purpose robot to motion.TORRESTOOL Flexible Clamp System and Tsing-Hua University's intelligence flexible fixture system all are of great value utility models, and they are as active location holding unit, though solved the problem of aircraft skin processing flexibility clamping effectively.But some shortcomings are arranged still:
TORRESTOOL Flexible Clamp System drive system adopts driven by servomotor, so inner transmission system is comparatively complicated, cost is high, belongs to active positioner.Tsing-Hua University's intelligence flexible fixture system uses robot and driven by servomotor simultaneously, and cost is higher, belongs to active positioner equally.
The utility model content
The utility model is not enough to prior art, proposes a kind ofly can regulate moving axis height and swaying angle according to the configuration of covering, and utilizes robot or other numerical control equipments to stop to come pinpoint full Pneumatic flexible to locate holding unit.
The utility model is realized through following technical scheme:
A kind of full Pneumatic flexible location holding unit; Comprise pressurized strut; Base plate and be arranged on the moving axis in the pressurized strut; The top of moving axis is provided with universal sucker disk seat and sucker, and pressurized strut is fixed on the base plate, and said pressurized strut comprises the moving axis locking device that is used for fixing the moving axis position and is used for the moving axis buffer unit that the moving axis Recovery Process cushions; Also comprise cylinder system, cylinder system is used to drive moving up and down of moving axis.
Said full Pneumatic flexible location holding unit also comprises sensor, and the sensor protrusion is arranged on the sucker, if the object feeler is arranged, sensor is transferred to cylinder system with information, and cylinder system changes air inflow and switches moving axis speed.
Said full Pneumatic flexible location holding unit, said moving axis buffer unit is a packing ring.
Said full Pneumatic flexible location holding unit, said universal sucker disk seat can universal rotation in 45 °.
The beneficial effect of the utility model is:
The utility model is when the clamping covering; Blow vent air inlet or bleed can make the Z-direction of moving axis move, and the auxiliary energy through other equipment has high orientation precision; And the swing of universal sucker disk seat, make the location holding unit have the characteristic of automatic adaptation skin-surface.Locking device uses compressed air in the pressurized strut, through oscillating cylinder and threaded components, can produce the above axial locking power of 50KG, guarantees location holding unit positioning accuracy.Whole system is all used pneumatic, and is simple in structure, cost is lower.
The effect that the utility model is useful is: full Pneumatic flexible location holding unit is in order to solve the required flexible fixture of aircraft skin automatic drill riveting.Full Pneumatic flexible location holding unit is following compared to the advantage and the technological improvement of active Flexible Clamp System:
The first, full Pneumatic flexible location holding unit uses pneumatic moving axis, locking moving axis and the absorption covering of driving.Under the situation that precision is more or less the same, cost is much lower compared to active positioner.
The second, full Pneumatic flexible location holding unit does not use servomotor, does not have complicated transmission device, makes full Pneumatic flexible location holding unit structure simpler, and volume is also less.
The 3rd, full Pneumatic flexible location holding unit volume is less, so can intensively place, the strong point that is provided is also more, can improve and bore the riveting quality.
Description of drawings
Fig. 1 is the full Pneumatic flexible of a utility model location holding unit structural representation;
Fig. 2 is the full Pneumatic flexible of a utility model location holding unit moving axis locking device structure sketch map;
Fig. 3 is holding unit location, the full Pneumatic flexible of a utility model location holding unit sketch map;
Fig. 4 is the full Pneumatic flexible of a utility model location holding unit generalized section.
Among the figure: 1, base plate; 2, oscillating cylinder; 3, pressurized strut; 4, packing ring; 5, moving axis; 6, universal sucker disk seat; 7, sucker; 8, screw rod; 9, the first locking nuts; 10, back-up ring; 11, the second locking nuts; 12, end cap; 13, the sucker bolt; 14, piston; 15, the moving axis locking device; 16, sensor; 17, the first air inlets; 18, the second air inlets.
The specific embodiment
Like Fig. 1, Fig. 2, shown in Figure 4; The clamping aircraft skin bores the full Pneumatic flexible location holding unit of riveting in order to automation; Comprise the pressurized strut 3 that has cylinder system and moving axis locking device, and the moving axis that links to each other with pressurized strut 35 be installed in the universal sucker disk seat 6 on the moving axis.Pressurized strut 3 inner spaces and moving axis 5, piston 14 are formed the effect that is similar to cylinder, change moving axis 5 directions of motion through changing air inlet, and use robot to stop to come accurately location.Its adjustable range is more than the 400mm, and has very high positioning accuracy, can satisfy the location fixing requirement of variety classes covering.
Sensor 16 is housed on the sucker 7, and during pressurized, the air valve air inflow is not bigger, moving axis 5 fast moving for sensor; When sensor 16 pressurizeds, air valve reduces air inflow, and moving axis moves at a slow speed.
The moving axis locking device rotates when oscillating cylinder 2 ventilations drive screw rod 8 in pressurized strut 3, makes end cap 12 counter motions in the locking device through threaded engagement, locking or release moving axis 5, and the coupling mechanism force of this cover locking device can reach more than the 50KG.Packing ring 4 is used the action shaft buffer unit, when moving axis is replied, plays cushioning effect.The universal sucker disk seat on moving axis top can make sucker universal rotation in 45 °.There is the location taper hole at bolt 16 centers of sucker 10, and the alignment pin of other equipment is located through contacting these location taper holes.
The course of work of the utility model is following: at first, according to aircraft skin profile adjustment moving axis position, robot moves to assigned address, and first air inlet 17 under the pressurized strut 3 feeds compressed air, drives moving axis and moves along Z axle positive direction, up to being stopped by robot.Since the outstanding sucker 5mm of sensor, elder generation of robot feeler, and moving axis speed switches at a slow speed.Then, oscillating cylinder 2 air inlets in the moving axis locking device 15 drive screw rod 8 and rotate, and make first locking nut 9, the inwardly motion simultaneously of second locking nut 11, the locking moving axis.Robot shifts out the working region, and aircraft skin moves into, and universal sucker is done with skin-covering face and rotated under the gravity effect, self adaptation covering shape, and then the sucker 7 absorption covering of bleeding begins to bore riveting.At last, bore riveting and finish, sucker 7 stops to bleed, and unclamps covering.The oscillating cylinder 2 reverse air inlets of moving axis locking device drive first locking nut 9, second locking nut 11 unclamps moving axis.The 18 beginning air inlets of 3 times second air inlets of pressurized strut drive moving axis and move along Z axle negative direction, and the moving axis buffer unit cushions when moving axis 5 contacts with pressurized strut 3.At this moment, full Pneumatic flexible is located holding unit and is returned to original state.
Claims (5)
1. a full Pneumatic flexible is located holding unit; It is characterized in that: comprise pressurized strut; Base plate and be arranged on the moving axis in the pressurized strut; The top of moving axis is provided with universal sucker disk seat and sucker, and pressurized strut is fixed on the base plate, and said pressurized strut comprises the moving axis locking device that is used for fixing the moving axis position and is used for the moving axis buffer unit that the moving axis Recovery Process cushions; Also comprise cylinder system, cylinder system is used to drive moving up and down of moving axis.
2. complete according to claim 1 Pneumatic flexible location holding unit; It is characterized in that: also comprise sensor, the sensor protrusion is arranged on the sucker, if the object feeler is arranged; Sensor is transferred to cylinder system with information, and cylinder system changes air inflow and switches moving axis speed.
3. like the said full Pneumatic flexible of claim 2 location holding unit, it is characterized in that: said moving axis locking device comprises screw rod and end cap, and end cap is fastened on the screw rod two ends, sheathed first locking nut on the screw rod, second locking nut; Also comprise oscillating cylinder, this oscillating cylinder is used to drive screw rod and rotates the promotion locking nut, thereby makes end cap motion locking or release moving axis.
4. like claim 1 or 2 or 3 said full Pneumatic flexible location holding units, it is characterized in that: said moving axis buffer unit is a packing ring.
5. like the said full Pneumatic flexible of claim 4 location holding unit, it is characterized in that: said universal sucker disk seat can universal rotation in 45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201083775U CN202539970U (en) | 2012-03-21 | 2012-03-21 | Full-pneumatic flexible positioning retaining device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201083775U CN202539970U (en) | 2012-03-21 | 2012-03-21 | Full-pneumatic flexible positioning retaining device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202539970U true CN202539970U (en) | 2012-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201083775U Expired - Lifetime CN202539970U (en) | 2012-03-21 | 2012-03-21 | Full-pneumatic flexible positioning retaining device |
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| Country | Link |
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| CN (1) | CN202539970U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102581646A (en) * | 2012-03-21 | 2012-07-18 | 南京航空航天大学 | Full-pneumatic flexible positioning holder |
| CN104889912A (en) * | 2015-06-19 | 2015-09-09 | 江西洪都航空工业集团有限责任公司 | Flexible presser |
-
2012
- 2012-03-21 CN CN2012201083775U patent/CN202539970U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102581646A (en) * | 2012-03-21 | 2012-07-18 | 南京航空航天大学 | Full-pneumatic flexible positioning holder |
| CN102581646B (en) * | 2012-03-21 | 2014-11-26 | 南京航空航天大学 | Full-pneumatic flexible positioning holder |
| CN104889912A (en) * | 2015-06-19 | 2015-09-09 | 江西洪都航空工业集团有限责任公司 | Flexible presser |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121121 Effective date of abandoning: 20141126 |
|
| RGAV | Abandon patent right to avoid regrant |