CN203156406U - Flexible jig for large-size thin-wall components - Google Patents
Flexible jig for large-size thin-wall components Download PDFInfo
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- CN203156406U CN203156406U CN 201320146035 CN201320146035U CN203156406U CN 203156406 U CN203156406 U CN 203156406U CN 201320146035 CN201320146035 CN 201320146035 CN 201320146035 U CN201320146035 U CN 201320146035U CN 203156406 U CN203156406 U CN 203156406U
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- locator
- support
- nut
- slide
- stepper motor
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Abstract
Disclosed is a flexible jig for large-size thin-wall components. The flexible jig is composed of a base, a support, a plurality of supporting locators, a sucker and a supporting locator adjusting mechanism, wherein the supporting locators are fixedly arranged on the support in an array mode. Power of a nut screw rod transmission mechanism of the supporting locators is transmitted by a driven gear. The supporting locator adjusting mechanism is composed of a vertical arm and a driving gear, wherein the vertical arm is arranged on an X-Y worktable, and the driving gear is arranged at the upper end of the vertical arm. A Y-direction driving mechanism of the X-Y worktable is composed of a ball screw nut pair driven by a stepper motor, and an X-direction driving mechanism of the X-Y worktable is composed of an X-direction guide rail and an X-direction sliding block, wherein the X-direction guide rail moves along with a nut of the ball screw nut pair, and power of the X-direction sliding block is transmitted by a synchronous cog belt driven by the stepper motor. The vertical arm is fixed on the X-direction sliding block. The driving gear is driven by a Z-direction stepper motor and meshed with the driven gear through a gear meshing detection and adjustment mechanism. According to the flexible jig for the large-size thin-wall components, the heights of all the supporting locators and the height of the sucker are adjusted just by using the adjusting mechanism through multipoint meshing of the gears, the adjusting mechanism is provided with three stepper motors only, therefore, a large number of motors are removed, manufacturing cost of the jig can be greatly reduced, and control difficulty is small.
Description
Technical field
The utility model relates to mechanical metal processing, the particularly big parts flexible fixture of a kind of thin-walled.
Background technology
Because not only size is big for the large thin-wall element of aircraft industry, and is yielding, complex structure, form accuracy requires high, and its periphery also has complicated assembly relation with other parts, so one of its key technology that to be airframe make always.Tradition Digit Control Machine Tool and flexible manufacturing system (FMS) are difficult to realize the flexible manufacturing of aircraft large thin-wall element though can realize the flexible manufacturing of conventional hard parts.Main cause is that the traditional handicraft equipment can't be realized flexibility location, the flexible clamping of yielding thin-wall part.
At present, the big parts flexible fixture of thin-walled that uses of aviation is representative with the ORRESTOOL Flexible Clamp System that Spain M.Torres company releases in the world, and this cover system has obtained being extensive use of in the aircraft plate type component manufacturing of Boeing and Air Passenger company.
The TORRESTOOL Flexible Clamp System is based on the curved surface multi-point forming technique, adopt modular array formula structure, what comprise some can be along the framed bent of X coordinate motion, what be equipped with some on the framed bent can be along the supporting backstay of Y coordinate and Z coordinate motion, there is a vacuum cup that can tilt in any direction on the top of each supporting backstay, in order to fixation workpiece.Each supports backstay and is provided with independent support backstay guiding mechanism, in order to adjust the height (that is height of sucker) that supports backstay.Supporting the backstay guiding mechanism is made up of stepper motor and transmission mechanism thereof.When operation was used, the user imported work procedure, and after anchor clamps put all suckers adjustings in place, the operator can load thin-walled parts at anchor clamps, connects vacuum then, finishes the clamping to workpiece.Because the support backstay guiding mechanism quantity of this flexible fixture a lot (identical with sucker quantity), and control motor of each guiding mechanism needs, number of motors is many, causes these anchor clamps to involve great expense, and the control difficulty is big.
The utility model content
The purpose of this utility model provide a kind of simple in structure, cost is low and the control difficulty less big parts flexible fixture of thin-walled.
For achieving the above object, the big parts flexible fixture of thin-walled that provides of the utility model by base, be installed in support on the base, be fixedly mounted on a plurality of support locators on the support, be installed in each and support sucker of locator upper end and support the locator guiding mechanism and formed with array;
Described support locator is made of the nut lead screw transmission mechanism, and the nut of nut lead screw transmission mechanism is fixedlyed connected with driven gear, and sucker is installed in the upper end of screw rod, supports locator and is fixedly mounted on the support with fixed mount;
Described support locator guiding mechanism comprises a upright arm, and the lower end fixed installation of upright arm is planar movably on the X-Y workbench; The X-Y workbench is made of Y-direction driving mechanism and X-direction driving mechanism, wherein the Y-direction driving mechanism is made of the ball guide screw nat that is installed on the base, the leading screw of ball guide screw nat is driven by the Y-direction stepper motor of installing at one end, nut can drive the lower edge Y-direction at leading screw and move, the X-direction guide rail of fixed installation X-direction driving mechanism above the nut, fixedly connected with the Y-direction slide block of Y-direction guide rail on being fixedly mounted on base in X-direction guide rail bottom, upright arm lower end is fixedly mounted on can be along on the X-direction slide block of Y-direction guide rail slip, the X-direction slide block is by Synchronous Belt Drives, and synchronous cog belt is driven by the X-direction stepper motor; There is a square casing upper end of upright arm, the driving gear that can be meshed with described support locator driven gear is arranged above housing, this driving gear is installed on the axle of Z-direction stepper motor, two slides are equipped with in the motor seat board below of Z-direction stepper motor, two slides are installed with an A and axle B respectively, the two ends of axle A and axle B are fixedly mounted on two walls of housing directions X, its axis A is optical axis, be installed in the slide by linear bearing, the end of axle B has screw thread, by screw thread movably spring base is installed, the other end of the spring that mounts elastically embeds in the circular trough of slide, slide is leaned on the inwall of housing offside, and the slide bottom is equipped with the displacement transducer that can respond to the slide minute movement, housing be equipped with by the control of this displacement transducer near switch.
For stablizing moving both vertically up and down of described support locator, be installed with prerotation vane at the bearing block of the nut of described support locator, vertical chute is arranged at the prerotation vane bottom, and there is the straight pin that can slide along this chute the lower end of described screw rod.
Compare with above-mentioned prior art, the utility model has the advantages that: only with a cover only contain three stepper motors, the support locator guiding mechanism that can be planar moves along X-direction and Y-direction can realize that by the engagement of gear multiple spot all support the adjustment of locators and sucker height, saved a large amount of control motors, the manufacturing cost of anchor clamps is reduced significantly, simultaneously, because regulate and control method is simple, the control difficulty is also relatively low.
Description of drawings
Fig. 1 is the schematic perspective view of the utility model embodiment (flexible fixture that is made of 16 support locators and sucker);
Fig. 2 is the structural representation that supports locator among Fig. 1;
Fig. 3 is the schematic perspective view that supports the locator guiding mechanism among Fig. 1;
Fig. 4 is the front view (Y-direction view) of Fig. 1 flexible fixture;
Fig. 5 is the left view (X-direction view) of Fig. 1 flexible fixture;
Fig. 6 is for supporting the structural representation that the engagement of locator guiding mechanism middle gear detects regulation device;
Fig. 7 is along E-E cutaway view among Fig. 6.
Among the figure: 1. base, 2. support 3. supports the locator guiding mechanism, and 3-1. founds arm, 3-2. driving gear, the 3-3. housing, 3-4.X is to stepper motor, 3-5.Y to stepper motor, the 3-6. ball guide screw nat, 3-7.Y is to guide rail, 3-8.Y to slide block, 3-9.X is to guide rail, 3-10.X is to slide block, 3-11. synchronous cog belt, 3-12.Z be to stepper motor, the 3-13. motor seat board, 3-14. slide, the 3-15. displacement transducer, 3-16. is near switch, 3-17. axle B, 3-18. linear bearing, 3-19. axle A, 3-20. spring base, the 3-21. spring 4. supports locator, 4-1. driven gear, 4-2. prerotation vane, 4-3. axle sleeve, 4-4. bearing block, 4-5. nut, 4-6. capping, 4-7. bearing, 4-8. screw rod, 4-9. straight pin, 4-10. clamp nut, 4-11. fixed mount, 5. sucker.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described.
Present embodiment is a flexible fixture that contains 16 support locators and 16 suckers, is used for illustrating the technical solution of the utility model, and protection domain of the present utility model is not limited to present embodiment.The big parts flexible fixture of the utility model thin-walled that is used for aviation, it supports the number of locator and sucker, and the big component processing workpiece of thin-walled according to different sizes can reach tens at most, even up to a hundred.
The big parts flexible fixture of present embodiment thin-walled, as shown in Figure 1,16 support locators 4 totally four are arranged, are fixedly mounted on the support 2 with array format by four of every rows, front and back, support 2 is fixedly mounted on the base 1, base fixes on the ground, each top of supporting locator is equipped with swing sucker 5, and its bearing height can be regulated in the 300mm scope and be fixing.Base, support and sucker and prior art are basic identical.
Each of present embodiment supports locator 4, as shown in Figure 2, is made of the nut lead screw transmission mechanism.The nut 4-5 of nut lead screw transmission mechanism is fixedlyed connected with driven gear 4-1 with clamp nut 4-10 by bearing pin, axle sleeve 4-3 and bearing 4-7 are equipped with in the nut outside, sucker 5 is installed in the upper end of screw rod 4-8, be moving both vertically up and down of stabilize screw, side at bearing block 4-4 is screwed the prerotation vane 4-2 that a vertical direction is installed, vertical chute is offered in the bottom of prerotation vane, install the lower end of screw rod 4-8 can be along the straight pin 4-9 of this chute slip, with the upper end closed of capping 4-6 with bearing block 4-4, will support locator with square fixed mount 4-11 and be fixedly mounted on the support 2.
16 support locators of all of present embodiment are adjusted its height by cover support locator guiding mechanism 3 as shown in Figure 3.
In conjunction with Fig. 3 to Fig. 7, to support locator guiding mechanism 3 and comprise a upright arm 3-1, the lower end fixed installation of upright arm can be mobile with workbench planar movably on the X-Y workbench.The X-Y workbench is made of Y-direction driving mechanism and X-direction driving mechanism, wherein the Y-direction driving mechanism is made of the ball guide screw nat 3-6 that is installed on the base 1, its leading screw is driven by the Y-direction stepper motor 3-5 that installs at one end, nut by lead screw transmission can move along Y-direction, nut is fixedlyed connected with the X-direction guide rail 3-9 of X-direction driving mechanism, X-direction guide rail bottom be installed in base 1 on Y-direction guide rail 3-7 on Y-direction slide block 3-8 fixedly connected, thereby the X-direction guide rail can be moved along Y-direction with the nut of ball guide screw nat.The lower end of upright arm 3-1 with can fixedly connected along the X-direction slide block 3-10 of X-direction guide rail 3-9 slip, the X-direction slide block is by synchronous cog belt 3-11 transmission, synchronous cog belt is driven by X-direction stepper motor 3-4.There is a square casing 3-3 upper end of upright arm, the driving gear 3-2 that can be meshed with described support locator driven gear 4-1 is arranged above housing, this driving gear is installed on the axle of Z-direction stepper motor 3-12, two slide 3-14 are equipped with in the motor seat board 3-13 below of Z-direction stepper motor, two slides are installed with an A3-19 and axle B3-17 respectively, the two ends of axle A and axle B are fixedly mounted on two walls of the corresponding directions X of square casing, its axis A is optical axis, be installed among the slide 3-14 by linear bearing 3-18, slide along it for slide, the end of axle B has screw thread, by screw thread movably spring base 3-20 is installed, save with hand adjustment for convenient, spring base adopts annular knurl thin nut structure, the other end that is installed in the spring 3-21 on the spring base 3-20 embeds in the circular trough of slide, and slide is leaned on the inwall of housing 3-3 offside, and the elastic force of spring can be regulated by turn annular knurl thin nut.The displacement transducer 3-15 can respond to the slide minute movement is installed in the slide bottom, housing be equipped with by this displacement transducer control near switch 3-16; Constitute driving gear 3-2 jointly and driven gear 4-1 engagement detects regulation device by slide, axle A, axle B, displacement transducer with near switch, when supporting the adjustment of locator guiding mechanism and support the locator height driving gear and driven gear whether mesh and when occurring not meshing control make its engagement.
The operation principle of above-mentioned support locator guiding mechanism is: the similar adjustment manipulator of the upright arm 3-1 on the described X-Y of the being installed in workbench, workbench can drive this adjustment manipulator and support locator and move at interval and do not interfere at each.During work, under control system was controlled, the adjustment manipulator moved to the preceding certain position of certain support locator that needs adjustment along Y-direction (along the leading screw direction) earlier, again along X-direction (along the belt direction) motion, so that driving gear 3-2 and driven gear 4-1 engagement; Can regulate the height that supports locator by driving gear and driven gear after the correct engagement, make it to drive sucker and be raised to setting value; Make it drive driving gear after adjustment is finished and fall back on the engagement front position along X-direction, prepare to be adjusted at the next locator that supports.
Because two gear teeth tips and the tooth top phenomenon of colliding may take place in driving gear and driven gear when radially meshing, can not realize engagement, this moment, driving gear was not in the reference center distance position, must detect and regulated and control by described driving gear and driven gear engagement detection regulating and controlling mechanism.It detects and principle of adjustment and control is: the X-Y workbench drive adjust manipulator (i.e. upright arm) along Y-axis move to desire transfer support locator over against the position, and then along X-axis near supporting locator, driving gear and driven gear are meshed.If two gear teeth tips and tooth top are collided, this moment is by driving gear and Z-direction stepper motor, the integral body that motor seat board and slide are formed can produce with housing together and relatively move, this movement is received the back by displacement transducer and triggers near switch, near then control step motor generation moment rotation of switch, drive driving gear and also produce the moment rotation, two gear teeth tips of colliding are staggered, under the effect of spring, above-mentioned relatively moving eliminated rapidly, the signal that receives displacement transducer near switch again stops the moment rotation of stepper motor at once, this moment, driving gear recovered the movement along directions X, near driven gear, stop to move when two gear centres distance reaches the reference center distance position that pre-sets, driving gear and driven gear are realized engagement.Thus, realize automatic detection and the regulation and control of the engagement of driving gear and driven gear.When should colliding less than gear engagement and tooth top, the displacement that it should be noted that displacement transducer in these anchor clamps and detect near switch stands the poor of arm travel distance; Spring will be adjusted to the radial load that produces when the normal engaged transmission greater than gear to the elastic force of slide.
The X-direction driving mechanism that constitutes the X-Y workbench in the utility model both can adopt above-mentioned synchronous cog belt driven by stepper motors, can also adopt ball guide screw nat driven by stepper motors, and the two is all within protection domain of the present utility model.
Claims (2)
1. the big parts flexible fixture of thin-walled is by base (1), be installed in support (2) on the base (1), be fixedly mounted on a plurality of support locators (4) on the support (2), be installed in each sucker (5) that supports locator (4) upper end and support locator guiding mechanism (3) is formed with array; It is characterized in that:
Described support locator (4) is made of the nut lead screw transmission mechanism, the nut of nut lead screw transmission mechanism (4-5) is fixedlyed connected with driven gear (4-1), sucker (5) is installed in the upper end of screw rod (4-8), supports locator and is fixedly mounted on the support (2) with fixed mount (4-11);
Described support locator guiding mechanism (3) comprises a upright arm (3-1), and the lower end fixed installation of upright arm (3-1) is planar movably on the X-Y workbench; The X-Y workbench is made of Y-direction driving mechanism and X-direction driving mechanism, wherein the Y-direction driving mechanism is made of the ball guide screw nat (3-6) that is installed on the base (1), the leading screw of ball guide screw nat (3-6) is driven by the Y-direction stepper motor of installing at one end (3-5), nut can drive the lower edge Y-direction at leading screw and move, the X-direction guide rail (3-9) of fixed installation X-direction driving mechanism above the nut, fixedly connected with the Y-direction slide block (3-8) of Y-direction guide rail (3-7) on being fixedly mounted on base (1) in X-direction guide rail (3-9) bottom, upright arm (3-1) lower end is fixedly mounted on can be along on the X-direction slide block (3-10) of Y-direction guide rail (3-7) slip, X-direction slide block (3-10) is by synchronous cog belt (3-11) transmission, and synchronous cog belt (3-11) is driven by X-direction stepper motor (3-4); There is a square casing (3-3) upper end of upright arm (3-1), the driving gear (3-2) that can be meshed with described support locator driven gear (4-1) is arranged in the top of housing (3-3), this driving gear (3-2) is installed on the axle of Z-direction stepper motor (3-12), two slides (3-14) are equipped with in motor seat board (3-13) below of Z-direction stepper motor (3-12), two slides (3-14) are installed with an A(3-19 respectively) and axle B(3-17), the two ends of axle A and axle B are fixedly mounted on two walls of housing (3-3) directions X, its axis A(3-19) be optical axis, be installed in the slide (3-14) by linear bearing (3-18), axle B(3-17) a end has screw thread, by screw thread movably spring base (3-20) is installed, the other end that is installed in the spring (3-21) on the spring base (3-20) embeds in the circular trough of slide (3-14), slide is leaned on the inwall of housing (3-3) offside, slide (3-14) bottom is equipped with the displacement transducer (3-15) that can respond to the slide minute movement, housing be equipped with by the control of this displacement transducer near switch (3-16).
2. the big parts flexible fixture of thin-walled according to claim 1, it is characterized in that: the bearing block (4-4) at the nut (4-5) of described support locator (4) is installed with prerotation vane (4-2), vertical chute is arranged at the prerotation vane bottom, and the lower end of described screw rod (4-8) has can be along the straight pin (4-9) of this chute slip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320146035 CN203156406U (en) | 2013-03-27 | 2013-03-27 | Flexible jig for large-size thin-wall components |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320146035 CN203156406U (en) | 2013-03-27 | 2013-03-27 | Flexible jig for large-size thin-wall components |
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| Publication Number | Publication Date |
|---|---|
| CN203156406U true CN203156406U (en) | 2013-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320146035 Expired - Lifetime CN203156406U (en) | 2013-03-27 | 2013-03-27 | Flexible jig for large-size thin-wall components |
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| CN (1) | CN203156406U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103170859A (en) * | 2013-03-27 | 2013-06-26 | 东北大学 | Thin-wall large part flexible fixture |
| CN106271982A (en) * | 2016-08-31 | 2017-01-04 | 苏州浩锐石英科技有限公司 | A kind of quartz glass grinding apparatus |
| CN108007680A (en) * | 2017-11-30 | 2018-05-08 | 东北大学 | A kind of dynamometry special fixture of low extraneous vibration towards thin-wall boards |
| CN108818016A (en) * | 2018-07-06 | 2018-11-16 | 益文杰 | A kind of electricapparatus equipment production clamping device |
| CN114310110A (en) * | 2022-01-05 | 2022-04-12 | 中国航空制造技术研究院 | Movable local dense support flexible dot-matrix tool and installation method |
-
2013
- 2013-03-27 CN CN 201320146035 patent/CN203156406U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103170859A (en) * | 2013-03-27 | 2013-06-26 | 东北大学 | Thin-wall large part flexible fixture |
| CN106271982A (en) * | 2016-08-31 | 2017-01-04 | 苏州浩锐石英科技有限公司 | A kind of quartz glass grinding apparatus |
| CN108007680A (en) * | 2017-11-30 | 2018-05-08 | 东北大学 | A kind of dynamometry special fixture of low extraneous vibration towards thin-wall boards |
| CN108007680B (en) * | 2017-11-30 | 2019-09-27 | 东北大学 | A kind of dynamometry special fixture of the low extraneous vibration towards thin-wall boards |
| CN108818016A (en) * | 2018-07-06 | 2018-11-16 | 益文杰 | A kind of electricapparatus equipment production clamping device |
| CN114310110A (en) * | 2022-01-05 | 2022-04-12 | 中国航空制造技术研究院 | Movable local dense support flexible dot-matrix tool and installation method |
| CN114310110B (en) * | 2022-01-05 | 2023-12-15 | 中国航空制造技术研究院 | Movable local dense support flexible dot matrix type tool and installation method |
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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: 20130828 Effective date of abandoning: 20150422 |