CN104708461A - Simple fixing and clamping device of large-sized wallboard - Google Patents
Simple fixing and clamping device of large-sized wallboard Download PDFInfo
- Publication number
- CN104708461A CN104708461A CN201510093306.0A CN201510093306A CN104708461A CN 104708461 A CN104708461 A CN 104708461A CN 201510093306 A CN201510093306 A CN 201510093306A CN 104708461 A CN104708461 A CN 104708461A
- Authority
- CN
- China
- Prior art keywords
- air guide
- guide post
- wallboard
- vacuum
- support column
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
- B23Q3/088—Work-clamping means other than mechanically-actuated using vacuum means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a simple fixing and clamping device of a large-sized wallboard. The height of suction cup devices is adjusted by the self weight of the wallboard, and all vacuum suction cups are in contact with the wallboard sufficiently. The height of adjusting springs of the fixing and clamping device can be adjusted automatically to adapt to a molded surface shape of a workpiece, and when the wallboard is sight, an external load can be conducted; the fixing and clamping device can increase and decrease the number of the suction cup devices for fixing and clamping a wallboard curved face with different sizes and different shapes, and the fixing and clamping device has good universality and good flexibility. An air compressor is connected with a vacuum generator, and the vacuum generator is connected with the suction cup devices through vacuum rubber pipes; by controlling the air exhaust of the air compressor, negative pressure is generated in the vacuum suction cups, the clamp force is formed, and the wallboard is sucked to the fixing and clamping device. When the processing of the wallboard is completed, the air compressor is controlled to make the negative pressure in the vacuum suction cups change into zero pressure or positive pressure, and the vacuum suction cups are departed from the wallboard automatically. The fixing and clamping device is simple in structure, good in compatibility and can adapt to part processing and forming of the wallboard of different curvature of surface changes.
Description
Technical field
The invention belongs to sheet metal component forming technique field, specifically, relate to a kind of simple and easy holding unit of large-scale wallboard.
Background technology
Integral panel is a most important class part in aerospace field, and it is the important component part forming aerial incendiary dart aerodynamic configuration, is also the main load-carrying member of wing, fuselage simultaneously.Therefore, the crudy of integral panel directly governs the flying quality of aerospace flight vehicle.Because integral panel has, size is large, profile curvature is complicated, ensure the machining accuracy in wallboard process, Special clamping device must be used to be fixed.
Traditional vacuum fixture is within the scope of 1m*1m, and the profile of vacuum fixture is planar structure, is not easy the clamping realizing large curved structure part.Disclose in patent CN102837211A " a kind of fixture of sheet parts processing ".This fixture is fixed sheet part by vacuum adsorption force, and thin plate profile and base plate profile are fitted completely.But its complicated structure, base plate manufacture difficulty is comparatively large, and cost is higher; And the workpiece of plane can only be applied to.But plate upper surface, substantially based on complex-curved, in order to fixing wallboard, also can be processed into the curve form consistent with workpiece configurations, which increase the difficulty of processing of base plate by wallboard part.When curved surface part Curvature varying, just need to redesign to manufacture clamp bottom board, fixture versatility is poor, and processing time consuming is required great effort.
Summary of the invention
In order to avoid the deficiency that prior art exists, overcome conventional brace and can only clamp small-sized plane constitutional detail, poor compatibility, complex structure, the problem of the change of curvature of curved surface can not be adapted to.The present invention proposes a kind of simple and easy holding unit of large-scale wallboard, is carried out the adjustment of Acetabula device height, each vacuum cup is all contacted with wallboard, is applicable to the wall panel parts of fixing different curve shape by wallboard deadweight.
The technical solution adopted for the present invention to solve the technical problems is: comprise vacuum generator, air compressor, base plate, vacuum hose, some Acetabula devices, air compressor is connected with vacuum generator, be positioned at the outside of base plate, uniform some base plate blind holes on base plate, Acetabula device is fixed in base plate blind hole; Described Acetabula device comprises vacuum cup, air guide post, locking nut, regulating spring, support column, vacuum cup is circular arc concave structure, vacuum cup is positioned at the upper end of air guide post, bottom vacuum cup, the round boss of outer end has external screw thread to coordinate with air guide post, the sucker through hole in the middle of vacuum cup bottom boss and air guide axis of a cylinder to gas port be connected; Described air guide post is cylindrical structural, and air guide axis of a cylinder is to there being gas port, and there is internal thread air guide post upper end, and air guide post lower end is provided with air pipe interface, and there is external screw thread air guide post middle part, and air guide post bottom nested has regulating spring to be positioned at support column; Described support column be one end close columnar structured, support column open end inwall there is screw thread, support column inner wall lower circumference has step, support column sidewall has lateral through aperture, vacuum hose one end is connected with air guide post bottom air pipe interface through lateral through aperture, and the vacuum hose other end and vacuum generator are connected; Described locking nut is processed with internal thread and external screw thread, and locking nut internal thread and air guide post middle part external screw thread are connected, threaded engagement on locking nut external screw thread and support column open end inwall, is used for locking the position of air guide post.
The length of described regulating spring is 150mm, and compression ratio is 40%.
Described support column and base plate blind hole are interference fits.
The axis of vacuum cup, air guide post, locking nut, regulating spring, support column and the axis of base plate blind hole are located along the same line.
Beneficial effect
The simple and easy holding unit of a kind of large-scale wallboard that the present invention proposes, belongs to the category of passive reconfigurable flexible frock.Carried out the adjustment of Acetabula device height by wallboard deadweight, can external load be carried out when wallboard is lighter time, each vacuum cup is all fully contacted with wallboard; Be applicable to the large-scale wall panel parts that wallboard shapes fixed clamp different curve shape in process.
The present invention compared with prior art, Acetabula device with adjustment spring coordinate, automatic height adjustment to adapt to the profile forms of workpiece, for the difform wallboard curved surface of fixed clamp; The quantity of holding unit changeable Acetabula device, for fixing different size, difform wallboard curved surface, has good versatility and flexibility.
The simple and easy holding device constructions of the large-scale wallboard of the present invention is simple, and compatible good, the large-scale wall panel parts that can adapt to different curve Curvature varying especially shapes.
Accompanying drawing explanation
Be described in further detail below in conjunction with the simple and easy holding unit of drawings and embodiments to a kind of large-scale wallboard of the present invention.
Fig. 1 is the simple and easy holding unit schematic diagram of the large-scale wallboard of the present invention.
Fig. 2 is the Acetabula device schematic diagram of the simple and easy holding unit of the large-scale wallboard of the present invention.
Fig. 3 is the Acetabula device sectional view of the simple and easy holding unit of the large-scale wallboard of the present invention.
Fig. 4 is the schematic diagram of the simple and easy holding unit clamping wallboard workpiece of the large-scale wallboard of the present invention.
In figure:
1. vacuum cup 2. air guide post 3. locking nut 4. support column 5. regulating spring 6. base plate 7. vacuum hose 8. vacuum generator 9. air compressor 10. Acetabula device 11. sucker through hole 12. lateral through aperture 13. gas port 14. air pipe interface 15. workpiece 16. base plate blind hole
Detailed description of the invention
The present embodiment is a kind of simple and easy holding unit of large-scale wallboard.
This example is for the integral panel within the scope of 1600mm × 1200mm.
Consult Fig. 1 ~ Fig. 4, the simple and easy holding unit of large-scale wallboard is made up of vacuum generator 8, air compressor 9, base plate 6, vacuum hose 7, some Acetabula devices 10; Air compressor 9 is connected with vacuum generator 8, air compressor 9 and vacuum generator 8 are arranged on the outside of base plate 6, uniform some base plate blind holes 16 on base plate 6, the support column 4 of Acetabula device 10 is fixed in base plate blind hole 16, and support column 4 and base plate blind hole 16 are interference fits.Support column 4 is placed in blind hole 16, is fixed in a welding manner on base plate.This example chooses Q235 steel as base plate 6 material, and base plate size is 1600mm × 1200mm × 120mm, and blind hole diameter is 100mm.
Acetabula device comprises vacuum cup 1, air guide post 2, locking nut 3, regulating spring 5, support column 4, vacuum cup 1 is circular arc concave structure, vacuum cup 1 is arranged on the upper end of air guide post, bottom vacuum cup 1, the round boss of outer end has external screw thread and air guide post to be connected, and the sucker through hole 11 in the middle of vacuum cup 1 bottom boss is connected with the gas port 13 in air guide post 2; Acting as of vacuum cup 1 is adsorbed and fixing wallboard workpiece, and vacuum cup 1 is made up of soft rubber material.Air guide post 2 is cylindrical structural, and air guide post 2 axially has gas port 13, and there is internal thread air guide post 2 upper end, and air guide post 2 lower end is provided with air pipe interface 14, and there is external screw thread air guide post 2 middle part, and air guide post 2 bottom nested has regulating spring 5 to be placed in support column 4.By the height of the flexible adjustment Acetabula device 10 of regulating spring 5.Regulating spring 5 is determined according to the altitude range of the diameter of air guide post 2 and required adjustment.Because air guide column diameter is comparatively large in this example, regulating spring 5 used is processing customization spring, and external diameter is 76mm, and internal diameter is 60mm, and drift is 150mm, and compression ratio is 40%.Support column 4 for one end close columnar structured, support column 4 open end inwall has screw thread, and support column 4 inner wall lower circumference has step, and support column 4 sidewall has lateral through aperture 12.Acting as of support column 4 retrains air guide post 2, and provides support for Acetabula device 10.Lubricate with the assembling position of lubricating grease to support column 4 and air guide post 2 in use procedure.Vacuum hose 7 one end is connected with air guide post 2 bottom air pipe interface 14 through lateral through aperture 12, and vacuum hose 7 other end and vacuum generator 8 are connected; This example chooses the vacuum rubber pipe that internal diameter is 6mm.Locking nut 3 is processed with internal thread and external screw thread, and locking nut 3 internal thread and air guide post 2 middle part external screw thread are connected, and locking nut 3 external screw thread is formed with threaded engagement on support column 4 open end inwall and is threaded, and is used for locking the position of air guide post 2.The internal thread of locking nut 3 is M56 coarse thread, and external screw thread is M80 coarse thread.
In workpiece process, the adsorption effect that the size difference of vacuum cup 1 is formed is different.The vacuum cup absorption affinity that size is large is large, and the vacuum cup that size is little more can adapt to deep camber workpiece with form surface.The selection of vacuum cup size according to workpiece shapes, if workpiece with form surface curvature is little, need select the vacuum cup that size is large; If workpiece with form surface curvature is comparatively large, then select the vacuum cup that size is little.The vacuum cup diameter that this example is chosen is 50mm, and sucker through hole 11 diameter in the middle of vacuum cup 1 bottom boss is 6mm.
The effect of vacuum generator 8 coordinates with air compressor, produces the gas in local decompression's environment absorption vacuum cup.Vacuum generator commercially directly can be chosen according to the speed of exhaust and final vacuum, and this example chooses the vacuum generator that latus rectum is 7mm.
When air compressor 9 is selected, major parameter is power and rated discharge pressure.According to the requirement of this example speed of exhaust and vacuum, the power of the air compressor selected in this example is 1.5KW, and rated discharge pressure is 1.0Mpa.
During work, first vacuum cup 1 is vacuumized, make vacuum cup 1 be adsorbed on the surface of workpiece 15.Vacuum cup 1 meeting auto Deformation is to adapt to the surface of workpiece 15, and vacuum cup 1 tightly can be adsorbed on the surface of workpiece 15.
Installation steps during holding unit fixed clamp workpiece:
First locking nut 3 and vacuum cup 1 are arranged on air guide post 2, composition Acetabula device 10.
Then regulating spring 5 is nested on air guide post 2.By the lateral through aperture 12 of one end of vacuum hose 7 through support column 4, and the air pipe interface 14 of this one end and air guide post 2 lower end is coupled together.Then the assembly of Acetabula device 10, regulating spring 5 and vacuum hose 7 is placed in support column 4.Workpiece 15 is freely positioned on holding unit.Owing to bearing workpiece weight, regulating spring 5 is compressed, and Acetabula device 10 meeting automatic height adjustment is to adapt to the profile forms of workpiece 15.Make each vacuum cup be adjacent to surface of the work, after whole device is stable, screwed in by locking locknut 3 in support column 4, the two forms threaded engagement locking Acetabula device position.
Finally, vacuum hose 7 and vacuum generator 8 are coupled together, aspirated in the space that vacuum cup 1 and workpiece 15 surface are formed and form vacuum, make vacuum cup 1 press close to workpiece 15 surface and hold workpiece 15, workpiece 15 is fixed.
Claims (4)
1. the simple and easy holding unit of a large-scale wallboard, it is characterized in that: comprise vacuum generator, air compressor, base plate, vacuum hose, some Acetabula devices, air compressor is connected with vacuum generator, be positioned at the outside of base plate, uniform some base plate blind holes on base plate, Acetabula device is fixed in base plate blind hole; Described Acetabula device comprises vacuum cup, air guide post, locking nut, regulating spring, support column, vacuum cup is circular arc concave structure, vacuum cup is positioned at the upper end of air guide post, bottom vacuum cup, the round boss of outer end has external screw thread to coordinate with air guide post, the sucker through hole in the middle of vacuum cup bottom boss and air guide axis of a cylinder to gas port be connected; Described air guide post is cylindrical structural, and air guide axis of a cylinder is to there being gas port, and there is internal thread air guide post upper end, and air guide post lower end is provided with air pipe interface, and there is external screw thread air guide post middle part, and air guide post bottom nested has regulating spring to be positioned at support column; Described support column be one end close columnar structured, support column open end inwall there is screw thread, support column inner wall lower circumference has step, support column sidewall has lateral through aperture, vacuum hose one end is connected with air guide post bottom air pipe interface through lateral through aperture, and the vacuum hose other end and vacuum generator are connected; Described locking nut is processed with internal thread and external screw thread, and locking nut internal thread and air guide post middle part external screw thread are connected, threaded engagement on locking nut external screw thread and support column open end inwall, is used for locking the position of air guide post.
2. the simple and easy holding unit of large-scale wallboard according to claim 1, is characterized in that: the length of described regulating spring is 150mm, and compression ratio is 40%.
3. the simple and easy holding unit of large-scale wallboard according to claim 1, is characterized in that: described support column and base plate blind hole are interference fits.
4. the simple and easy holding unit of large-scale wallboard according to claim 1, is characterized in that: the axis of vacuum cup, air guide post, locking nut, regulating spring, support column and the axis of base plate blind hole are located along the same line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510093306.0A CN104708461B (en) | 2015-03-03 | 2015-03-03 | A kind of simple holding unit of large-scale wallboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510093306.0A CN104708461B (en) | 2015-03-03 | 2015-03-03 | A kind of simple holding unit of large-scale wallboard |
Publications (2)
| Publication Number | Publication Date |
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| CN104708461A true CN104708461A (en) | 2015-06-17 |
| CN104708461B CN104708461B (en) | 2017-07-07 |
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| CN201510093306.0A Expired - Fee Related CN104708461B (en) | 2015-03-03 | 2015-03-03 | A kind of simple holding unit of large-scale wallboard |
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| CN105415230A (en) * | 2015-12-10 | 2016-03-23 | 中国航天科技集团公司长征机械厂 | Positioning device for clamping of arc-shaped wallboard |
| CN106392725A (en) * | 2016-12-13 | 2017-02-15 | 成都丰耐科技股份有限公司 | Sucking disc clamp and mould machining equipment |
| CN107186643A (en) * | 2017-06-12 | 2017-09-22 | 芜湖天航科技（集团）股份有限公司 | Moulding bed for plate cutting |
| CN107309622A (en) * | 2017-07-04 | 2017-11-03 | 西安飞机工业（集团）有限责任公司 | A kind of flexible positioning adsorption device of curve surface work pieces normal direction and positioning adsorption method |
| CN107834412A (en) * | 2017-11-20 | 2018-03-23 | 国网黑龙江省电力有限公司鹤岗供电公司 | Adjusting insulation protective cover and its installation method |
| CN108163533A (en) * | 2016-12-07 | 2018-06-15 | 红塔烟草(集团)有限责任公司 | A kind of vacuum cup protective device |
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| CN108621191A (en) * | 2018-04-20 | 2018-10-09 | 通富微电子股份有限公司 | A kind of adsorbent equipment and adsorption system |
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| CN109158910A (en) * | 2018-09-10 | 2019-01-08 | 武汉船用机械有限责任公司 | A kind of shell clamping tooling |
| CN109159050A (en) * | 2018-10-24 | 2019-01-08 | 东莞市中帆新材料科技有限公司 | Auto parts and components process the fixed device of positioning clamping |
| CN109176362A (en) * | 2018-11-12 | 2019-01-11 | 中车长春轨道客车股份有限公司 | Universal train plate positioning tool suitable for curved surface profile line |
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| CN105415230A (en) * | 2015-12-10 | 2016-03-23 | 中国航天科技集团公司长征机械厂 | Positioning device for clamping of arc-shaped wallboard |
| CN108526958A (en) * | 2016-08-04 | 2018-09-14 | 上海理工大学 | A kind of thin-walled parts clamping device and clamping method |
| CN108526944A (en) * | 2016-08-04 | 2018-09-14 | 上海理工大学 | A kind of absorption fixed cell and thin-walled parts clamping device |
| CN108163533A (en) * | 2016-12-07 | 2018-06-15 | 红塔烟草(集团)有限责任公司 | A kind of vacuum cup protective device |
| CN106392725A (en) * | 2016-12-13 | 2017-02-15 | 成都丰耐科技股份有限公司 | Sucking disc clamp and mould machining equipment |
| CN107186643A (en) * | 2017-06-12 | 2017-09-22 | 芜湖天航科技（集团）股份有限公司 | Moulding bed for plate cutting |
| CN107186643B (en) * | 2017-06-12 | 2019-02-26 | 芜湖天航科技（集团）股份有限公司 | Moulding bed for plate cutting |
| CN107309622A (en) * | 2017-07-04 | 2017-11-03 | 西安飞机工业（集团）有限责任公司 | A kind of flexible positioning adsorption device of curve surface work pieces normal direction and positioning adsorption method |
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