CN101397055B - Shape adjusting apparatus for digital control flexible fixture - Google Patents
Shape adjusting apparatus for digital control flexible fixture Download PDFInfo
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- CN101397055B CN101397055B CN2008102245686A CN200810224568A CN101397055B CN 101397055 B CN101397055 B CN 101397055B CN 2008102245686 A CN2008102245686 A CN 2008102245686A CN 200810224568 A CN200810224568 A CN 200810224568A CN 101397055 B CN101397055 B CN 101397055B
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- leading screw
- support bracket
- movable support
- pilot bar
- nut sleeve
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Abstract
The invention relates to a numerical control flexible device for adjusting form of a fixture. The device comprises a movable bracket which is internally provided with stepped holes; two sets of motors and speed reducers which are arranged on the movable bracket, wherein, one set of the motor and speed reducer is connected with a lead screw by a coupling, and the other set of the motor and the speed reducer is connected with a gear, and a gear rack matched with the gear is fixed on a cross beam; a lead screw which is arranged in the stepped holes of the movable bracket, wherein, one end of the lead screw is provided with an angular contact bearing and a bushing, the bushing contacts the angular contact bearing inside the stepped holes of the movable bracket, and the other end of the lead screw is fixed with a nut; a guide bar bush which is connected with the movable bracket; a nut bush, one end of which is connected with the lead screw and the other end of which is connected with a lug; a feather key which is arranged between the guide bar bush and the nut bush; a copper bush which is fixed on the inside of one end of the guide bar bush, wherein, the nut bush slides in the copper bush; and a slider one end of which is connected with the movable bracket and the other end of which is connected with a guide rail which is fixedly connected with a cross beam. The device realizes the free form adjustment in two directions, has high form adjustment precision, and simple and compact structure.
Description
(1) technical field
The present invention relates to a kind of shape adjusting apparatus for digital control flexible fixture, the accent shape and the holder that are used for flexible fixture are moving, belong to aviation manufacturing engineering/aircraft assembly technique field.
(2) background technology
The aircraft assembling is a numerous and diverse process, and technical requirements is than higher, and thousands of parts will position accurately, connect, assemble, and work capacity is very big.Nonadjustable fixedly auricle type frame is adopted in traditional aircraft assembling, and each type frame can only be used for a kind of assembling of wallboard class part of model, and the development of every kind of new architecture must redesign the new assembly jig of a cover.This makes that the R﹠D cycle of aircraft is very long, and cost is very high, serious restriction the development of China aircraft industry.
(3) summary of the invention
The object of the present invention is to provide a kind of shape adjusting apparatus for digital control flexible fixture,, can make digital control flexible fixture be used for the assembling of polytype wallboard by the present invention to solve traditional the uncontrollable problem of auricle.
A kind of shape adjusting apparatus for digital control flexible fixture of the present invention, that can realize both direction freely transfers shape, and it is characterized in that: this device specifically comprises:
One movable support bracket, its outer likeness in form is "T"-shaped, in have stepped hole, be used for installing coupler, leading screw and angular contact bearing, movable support bracket are the main support accessory and the core parts of this device;
Two cover motor and retarders are installed on the movable support bracket, and wherein a cover motor and coupled retarder are connected with leading screw by drive coupling; Another set of motor and coupled retarder link to each other with a gear, are fixed on the crossbeam with the tooth bar of gear matched;
One leading screw has an end of the shaft shoulder that angular contact bearing and lining are housed at leading screw, and leading screw is positioned at the movable support bracket stepped hole, and the angular contact bearing in lining and the movable support bracket stepped hole contacts, and an end that stretches out angular contact bearing at leading screw is fixed with two captive nuts;
One roller bearing end cap is installed on the movable support bracket lower end;
One leader casing links to each other with movable support bracket;
One nut sleeve, an end is connected with leading screw by screw, and the other end connects one in order to connect the auricle of clamp;
One feather key is installed between leader casing and the nut sleeve, is used for the straight-line motion that rotation that guiding with nut sleeve is about to motor 19 becomes nut sleeve;
One copper sheathing is fixed on an end inboard of leader casing, and nut sleeve can be slided in copper sheathing;
One slide block, an end is connected with movable support bracket, and the other end connects a guide rail, and a guide rail and a crossbeam are affixed.
Wherein, this shape-adjusting device can comprise further that one overlaps the structure of the enhancing integral rigidity of being made up of two pilot bars, a pilot bar base, a pilot bar seat of honour; Pilot bar base and nut sleeve are affixed, and the pilot bar seat of honour and leader casing are affixed, and pilot bar one end and pilot bar base are affixed, an end smooth slip in the pilot bar seat of honour.
Wherein, described screw mandrel is the spin leading screw.
A kind of shape adjusting apparatus for digital control flexible fixture of the present invention, its advantage and effect are:
1. this device has been realized the accent shape of both direction, compact conformation;
2. owing to transfer the shape distance big, adopted two pilot bars to improve the device integral rigidity;
3. two angular contact bearings are adopted in the location of screw mandrel, and are simple and reliable for structure;
4. the design of movable support bracket is the key that whole apparatus function is realized.
To sum up, shape adjusting apparatus for digital control flexible fixture has been realized the accent shape of both direction, and is simple and reliable for structure.On accent shape, adopted spin screw structure and gear ﹠ rack structure to combine, made the accent shape precision of this device very high.A lot of Creative Design are arranged, as movable support bracket structure design, pilot bar and design and two angular contact bearings location etc. on concrete structure.
(4) description of drawings
Fig. 1 is a main cutaway view of the present invention.
Fig. 2 is a left view of the present invention.
Fig. 3 is a birds-eye view of the present invention.
Fig. 4 is an entity scheme drawing of the present invention.
Number in the figure and nomenclature are as follows:
1, auricle 2, pilot bar base 3, nut sleeve 4, pilot bar
5, copper sheathing 6, feather key 7, the pilot bar seat of honour 8, leader casing
9, screw 10, screw 11, leading screw 12, roller bearing end cap
13, angular contact bearing 14, lining 15, captive nut 16, movable support bracket
17, coupler 18, retarder 19, motor 20, gear
21, tooth bar 22, slide block 23, guide rail 24, crossbeam
(5) specific embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described further.
See also Fig. 1 to shown in Figure 4, a kind of shape adjusting apparatus for digital control flexible fixture of the present invention, what it can realize both direction freely transfers shape, as shown in Figure 1, be by movable support bracket 16, motor 19, retarder 18, drive coupling 17, leading screw 11, screw 9, nut sleeve 3, auricle 1, leader casing 8, gear 20, and formations such as angular contact bearing 13 and screw 10.
As shown in Figure 1, the outer likeness in form of movable support bracket 16 is "T"-shaped, in have stepped hole, be used for installing coupler 17, the angular contact bearing 13 of leading screw 11 and leading screw location usefulness, movable support bracket is the main support accessory and the core part of this device.
Leading screw 11 is fixing: as shown in Figure 1, at movable support bracket 16 endoporus a step is arranged, angular contact bearing 13 is packed in movable support bracket 16 holes up to contacting with step in the hole, there is the shaft shoulder one end to load onto angular contact bearing 13 and lining 14 at leading screw 11, leading screw 11 packed into lining is contacted with angular contact bearing 13 in the hole, roller bearing end cap 12 is installed in movable support bracket 16 lower ends then, an end that stretches out angular contact bearing 13 at leading screw two captive nuts 15 of screwing on have so just been finished the fixing of leading screw 11.
As shown in Figure 1, this shape-adjusting device is made of motor 19, retarder 18, drive coupling 17, leading screw 11, screw 9, nut sleeve 3 and auricle 1 along the accent shape of leading screw 11 directions; Wherein two angular contact bearings 13, lining 14 and roller bearing end cap 12 are locating elements of leading screw 11; Leader casing 8 is connected with movable support bracket by screw.Nut sleeve 3 one ends are connected with leading screw 11 by screw 9, and the other end connects one in order to connect the auricle 1 of clamp.Feather key 6 is mounted between leader casing 8 and the nut sleeve 3, and the rotation that the guiding that is used for nut sleeve 3 is about to motor 19 becomes the straight-line motion of nut sleeve 3; Copper sheathing 5 is fixed on an end of leader casing 8, and nut sleeve 3 can be slided in copper sheathing 5.
When motor rotates, drive leading screw by retarder and rotate, make screw do straight-line motion, thereby auricle is done along the straight-line motion of leading screw direction along leading screw, realized the accent shape of a direction of auricle.
This device is made of motor 19, retarder 18, gear 20, tooth bar 21, slide block 22 and guide rail 23 along the accent shape of another direction.Motor 19 links to each other with gear 20 by retarder 18, and the tooth bar 21 that cooperates with gear 20 is fixed on the crossbeam 24, and when motor rotated, wheel and rack was meshed, and slide block 22 is affixed with movable support bracket 16 usefulness screws 10, and guide rail 23 usefulness screws are fixed on the crossbeam 24.
When motor rotates, to rotate by retarder deceleration back driven gear, the wheel and rack engagement makes whole device do straight-line motion along the tooth bar direction, thereby has realized the accent shape of another direction of auricle.
Described shape-adjusting device is when assembling, auricle will be subjected to bigger side force, when auricle relatively move distance that carriage stretches out too big just have a bigger distortion, in order to reduce the distortion of auricle, increased the device of the enhancing integral rigidity that a cover is made up of two pilot bars, pilot bar base, the pilot bar seat of honour.Pilot bar base and nut sleeve are affixed, and the pilot bar seat of honour and leader casing are affixed, and pilot bar one end and pilot bar base are affixed, an end smooth slip in the pilot bar seat of honour.During nut sleeve 3 up-and-down movements, drive pilot bar base 2 with pilot bar 4 up-and-down movements, pilot bar 4 with the hole at the affixed pilot bar seat of honour 7 of leader casing 8 in slide.Leader casing 8 and pilot bar 4 are the stressed parts that guarantee screw mandrel 11 rigidity.
Claims (3)
1. shape adjusting apparatus for digital control flexible fixture, that can realize both direction freely transfers shape, and it is characterized in that: this device specifically comprises:
One movable support bracket, its outer likeness in form is "T"-shaped, in have stepped hole, be used for installing coupler, leading screw and angular contact bearing, movable support bracket is the main support accessory and the core part of this device;
Two cover motor and retarders are installed on the movable support bracket, and wherein a cover motor and coupled retarder are connected with leading screw by drive coupling; Another set of motor and coupled retarder link to each other with a gear, are fixed on the crossbeam with the tooth bar of gear matched;
One leading screw has an end of the shaft shoulder that angular contact bearing and lining are housed at leading screw, and leading screw is positioned at the movable support bracket stepped hole, and the angular contact bearing in lining and the movable support bracket stepped hole contacts, and an end that stretches out angular contact bearing at leading screw is fixed with two captive nuts;
One roller bearing end cap is installed on the movable support bracket lower end;
One leader casing links to each other with movable support bracket;
One nut sleeve, an end is connected with leading screw by screw, and the other end connects one in order to connect the auricle of clamp;
One feather key is installed between leader casing and the nut sleeve, and the rotation that is about to described motor becomes the straight-line motion of nut sleeve;
One copper sheathing is fixed on an end inboard of leader casing, and nut sleeve can be slided in copper sheathing;
One slide block, an end is connected with movable support bracket, and the other end connects a guide rail, and guide rail and described crossbeam are affixed.
2. shape adjusting apparatus for digital control flexible fixture according to claim 1 is characterized in that: this shape-adjusting device comprises that further one overlaps the structure of the enhancing integral rigidity of being made up of two pilot bars, a pilot bar base, a pilot bar seat of honour; Pilot bar base and nut sleeve are affixed, and the pilot bar seat of honour and leader casing are affixed; When the nut sleeve up-and-down movement, drive the pilot bar base with the pilot bar up-and-down movement, pilot bar with the hole at the affixed pilot bar seat of honour of leader casing in slide.
3. shape adjusting apparatus for digital control flexible fixture according to claim 1 is characterized in that: described screw mandrel is the spin leading screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102245686A CN101397055B (en) | 2008-10-21 | 2008-10-21 | Shape adjusting apparatus for digital control flexible fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102245686A CN101397055B (en) | 2008-10-21 | 2008-10-21 | Shape adjusting apparatus for digital control flexible fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101397055A CN101397055A (en) | 2009-04-01 |
| CN101397055B true CN101397055B (en) | 2011-05-11 |
Family
ID=40515942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008102245686A Expired - Fee Related CN101397055B (en) | 2008-10-21 | 2008-10-21 | Shape adjusting apparatus for digital control flexible fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101397055B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102343984B (en) * | 2011-07-08 | 2014-01-01 | 凯迈（洛阳）测控有限公司 | Locking mechanism in rudder deflection angle testing device |
| CN104275393B (en) * | 2013-11-12 | 2016-08-17 | 中国科学院宁波材料技术与工程研究所 | Reconfigurable die and the shaped device of reconfigurable die |
| CN107335718B (en) * | 2017-08-23 | 2018-10-26 | 西北工业大学 | A kind of autoclave integral panel creep age forming flexible frock |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020060884A1 (en) * | 2000-10-25 | 2002-05-23 | Mitsumi Electric Co. Ltd. | Actuator assembly |
| CN201008935Y (en) * | 2006-12-05 | 2008-01-23 | 成都飞机工业（集团）有限责任公司 | Wallboard rivet-bonding flexible assembly frame |
| CN201296387Y (en) * | 2008-10-21 | 2009-08-26 | 北京航空航天大学 | Numerical-control flexible fixture shape-adjusting device |
-
2008
- 2008-10-21 CN CN2008102245686A patent/CN101397055B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020060884A1 (en) * | 2000-10-25 | 2002-05-23 | Mitsumi Electric Co. Ltd. | Actuator assembly |
| CN201008935Y (en) * | 2006-12-05 | 2008-01-23 | 成都飞机工业（集团）有限责任公司 | Wallboard rivet-bonding flexible assembly frame |
| CN201296387Y (en) * | 2008-10-21 | 2009-08-26 | 北京航空航天大学 | Numerical-control flexible fixture shape-adjusting device |
Non-Patent Citations (1)
| Title |
|---|
| 曹增强.国外大型飞机装配型架设计的新方法.《航空制造技术》.2006,(第2期), * |
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| CN101397055A (en) | 2009-04-01 |
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Granted publication date: 20110511 Termination date: 20121021 |