CN104708461B - A kind of simple holding unit of large-scale wallboard - Google Patents
A kind of simple holding unit of large-scale wallboard Download PDFInfo
- Publication number
- CN104708461B CN104708461B CN201510093306.0A CN201510093306A CN104708461B CN 104708461 B CN104708461 B CN 104708461B CN 201510093306 A CN201510093306 A CN 201510093306A CN 104708461 B CN104708461 B CN 104708461B
- Authority
- CN
- China
- Prior art keywords
- air guide
- guide post
- vacuum
- wallboard
- 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.)
- Expired - Fee Related
Links
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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a kind of simple holding unit of large-scale wallboard, being conducted oneself with dignity by wallboard carries out the regulation of Acetabula device height, each vacuum cup is fully contacted with wallboard.Spring automatic height adjustment is adjusted in holding unit to adapt to the profile forms of workpiece, external load can be carried out when wallboard is lighter；The quantity of holding unit changeable Acetabula device, for holding different size, wallboard curved surface of different shapes, there is good versatility and flexibility.Air compressor is connected with vacuum generator, and vacuum generator is connected with Acetabula device by vacuum hose；By controlling the pumping of air compressor, make to produce negative pressure to form clamping force in vacuum cup, wallboard is adsorbed on holding unit.After being machined to wallboard, control air compressor makes to be changed into zero-pressure or malleation in vacuum cup, and vacuum cup automatically disengages wallboard.Holding device constructions are simple, compatibility is good, and the wall panel parts for adapting to different curve Curvature varying are shaped.
Description
Technical field
The invention belongs to sheet metal component forming technique field, specifically, it is related to a kind of simple holding unit of large-scale wallboard.
Background technology
Integral panel is most important class part in aerospace field, and it is both to constitute aerial incendiary dart aerodynamic configuration
Important component, while being also the main load-carrying member of wing, fuselage.Therefore, the crudy of integral panel is directly restricted
The flying quality of aerospace flight vehicle.Because integral panel has the characteristics of size is big, profile curvature is complicated, it is ensured that wall
Machining accuracy in plate process, it is necessary to be fixed using Special clamping device.
Traditional vacuum fixture is in the range of 1m*1m, and the type face of vacuum fixture is planar structure, it is not easy to realize big
The clamping of type curved-surface structure part.Disclosed in patent CN102837211A " a kind of fixture of sheet parts processing ".Should
Fixture is fixed by vacuum adsorption force to sheet part, sheet-type face and floor type face is fitted completely.But its structure ratio
More complicated, base plate manufacture difficulty is larger, relatively costly；And can be only applied to the workpiece of plane.But, wallboard part is basic with multiple
Based on miscellaneous curved surface, in order to hold wallboard, also plate upper surface can be processed into the curve form consistent with workpiece configurations, so increased
The difficulty of processing of base plate is added.When curved surface part Curvature varying, it is necessary to redesign manufacture clamp bottom board, fixture versatility compared with
Difference, processing time consuming is laborious.
The content of the invention
In order to avoid the deficiency that prior art is present, conventional brace is overcome to clamp small-sized plane constitutional detail, compatibility
The poor, complex structure of property, do not adapt to curvature of curved surface change problem.The present invention proposes a kind of simple fixing dress of large-scale wallboard
Put, being conducted oneself with dignity by wallboard carries out the regulation of Acetabula device height, each vacuum cup is contacted with wallboard, it is adaptable to which fixing is not
With the wall panel parts of curve form.
The technical solution adopted for the present invention to solve the technical problems is:Including vacuum generator, air compressor, bottom
Plate, vacuum hose, some Acetabula devices, air compressor are connected with vacuum generator, uniform on base plate positioned at the outside of base plate
Some base plate blind holes, Acetabula device is fixed in base plate blind hole；The Acetabula device includes vacuum cup, air guide post, locking screw
Female, regulation spring, support column, vacuum cup is circular arc concave structure, and vacuum cup is located at the upper end of air guide post, vacuum cup
The round boss of bottom outer end has external screw thread to coordinate with air guide post, sucker through hole and air guide post in the middle of vacuum cup bottom boss
The gas port of axial direction is connected；The air guide post is cylindrical structural, and to there is gas port, there is interior spiral shell air guide post upper end to air guide axis of a cylinder
Line, 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 regulation spring to be located at
In support column；The support column is the columnar structured of one end closing, there is screw thread on support column open end inwall, supports column wall
Step is circumferentially arranged at bottom, and support column side wall has lateral through aperture, and vacuum hose one end passes through lateral through aperture and air guide post bottom gas
Interface tube is connected, and the vacuum hose other end is connected with vacuum generator；The locking nut is machined with internal thread and external screw thread, lock
Tight nut inner thread is connected with air guide post middle part external screw thread, on locking nut external screw thread and support column open end inwall
Screw thread coordinates, for locking the position of air guide post.
The length of the regulation spring is 150mm, and compression ratio is 40%.
The support column is interference fits with base plate blind hole.
The axis of vacuum cup, air guide post, locking nut, regulation spring, the axis of support column and base plate blind hole is located at same
On one straight line.
Beneficial effect
A kind of simple holding unit of large-scale wallboard proposed by the present invention, belongs to the category of passive reconfigurable flexible frock.
Being conducted oneself with dignity by wallboard carries out the regulation of Acetabula device height, and external load can be carried out when wallboard is lighter, makes each vacuum
Sucker is fully contacted with wallboard；The large-scale wallboard zero of fixed clamp different curve shape during being shaped suitable for wallboard
Part.
Compared with prior art, Acetabula device coordinates the present invention with adjustment spring, and automatic height adjustment is adapting to workpiece
Profile forms, for fixed clamp wallboard curved surface of different shapes；The quantity of holding unit changeable Acetabula device, for holding
Different size, wallboard curved surface of different shapes, there is good versatility and flexibility.
The simple holding device constructions of the large-scale wallboard of the present invention are simple, and compatibility is good, especially adapts to different curve curvature
The large-scale wall panel parts of change are shaped.
Brief description of the drawings
A kind of simple holding unit of large-scale wallboard of the present invention is made further in detail with implementation method below in conjunction with the accompanying drawings
Explanation.
Fig. 1 is the simple holding unit schematic diagram of large-scale wallboard of the invention.
Fig. 2 is the Acetabula device schematic diagram of the simple holding unit of large-scale wallboard of the invention.
Fig. 3 is the Acetabula device sectional view of the simple holding unit of large-scale wallboard of the invention.
Fig. 4 is the schematic diagram of the simple holding unit clamping wallboard workpiece of large-scale wallboard of the invention.
In figure:
1. 2. air guide post of vacuum cup, 3. locking nut, 4. support column 5. adjusts the vacuum hose of 6. base plate of spring 7.
8. the gas of 9. air compressor of vacuum generator, 10. Acetabula device, 11. sucker through hole, 12. lateral through aperture, 13. gas port 14.
The base plate blind hole of 15. workpiece of interface tube 16.
Specific embodiment
The present embodiment is a kind of simple holding unit of large-scale wallboard.
This example be for 1600mm × 1200mm in the range of integral panel.
Refering to Fig. 1~Fig. 4, the simple holding unit of large-scale wallboard is by vacuum generator 8, air compressor 9, base plate 6, true
Hungry area pipe 7, some Acetabula devices 10 are constituted；Air compressor 9 is connected with vacuum generator 8, and air compressor 9 occurs with vacuum
Device 8 is arranged on the outside of base plate 6, and uniform some base plate blind holes 16 on base plate 6, the support column 4 of Acetabula device 10 is fixed on base plate
In blind hole 16, support column 4 is interference fits with base plate blind hole 16.Support column 4 is placed in blind hole 16, is fixed in a welding manner
On base plate.This example chooses Q235 steel as the material of base plate 6, and base plate size is 1600mm × 1200mm × 120mm, blind hole diameter
It is 100mm.
Acetabula device includes vacuum cup 1, air guide post 2, locking nut 3, regulation spring 5, support column 4, and vacuum cup 1 is
Circular arc concave structure, vacuum cup 1 is arranged on the upper end of air guide post, and the round boss of the bottom outer end of vacuum cup 1 has outer spiral shell
Line is connected with air guide post, and the sucker through hole 11 in the middle of the bottom boss of vacuum cup 1 is connected with the gas port 13 in air guide post 2
It is logical；Wallboard workpiece is adsorbed and held to the acting as of vacuum cup 1, and vacuum cup 1 is made up of soft rubber material.Air guide post 2 is circle
Column construction, air guide post 2 axially has gas port 13, and there is internal thread the upper end of air guide post 2, and the lower end of air guide post 2 is provided with air pipe interface
14, there is external screw thread the middle part of air guide post 2, and the bottom nested of air guide post 2 has regulation spring 5 to be placed in support column 4.By adjusting bullet
The height of the flexible adjustment Acetabula device 10 of spring 5.Regulation spring 5 is according to the diameter of air guide post 2 and the height of required adjustment
Scope determines.Because air guide column diameter is larger in this example, regulation spring 5 used is processing customization spring, and external diameter is 76mm, interior
Footpath is 60mm, and drift is 150mm, and compression ratio is 40%.Support column 4 is the columnar structured of one end closing, and support column 4 is opened
There is screw thread on beginning inwall, the inner wall lower of support column 4 circumferentially has step, lateral through aperture 12 is provided with the side wall of support column 4.Support column
4 act as constraint air guide post 2, and are that Acetabula device 10 provides support.With lubricating grease to support column 4 and air guide during use
The assembling position of post 2 is lubricated.The one end of vacuum hose 7 connects through lateral through aperture 12 with the bottom air pipe interface 14 of air guide post 2
Connect, the other end of vacuum hose 7 is connected with vacuum generator 8；It is the vacuum rubber pipe of 6mm that this example chooses internal diameter.Locking nut 3
Internal thread and external screw thread are machined with, the internal thread of locking nut 3 is connected with the middle part external screw thread of air guide post 2, locking nut 3
External screw thread is cooperatively formed with screw thread on the open end inwall of support column 4 and is threadedly coupled, for locking the position of air guide post 2.Locking screw
Female 3 internal thread is M56 coarse threads, and external screw thread is M80 coarse threads.
In workpiece process, the adsorption effect that the size difference of vacuum cup 1 is formed is different.The big vacuum of size
Sucker suction power is big, and the small vacuum cup of size is suitable for deep camber workpiece with form surface.The selection of vacuum cup size needs basis
Workpiece shapes, if workpiece with form surface curvature is less, the big vacuum cup of selection size；If workpiece with form surface curvature is larger, chi is selected
Very little small vacuum cup.The a diameter of 50mm of vacuum cup that this example is chosen, the sucker through hole in the middle of the bottom boss of vacuum cup 1
11 a diameter of 6mm.
The effect of vacuum generator 8 is coordinated with air compressor, produces local decompression's environment to absorb in vacuum cup
Gas.Vacuum generator commercially can directly be chosen according to the speed of exhaust and final vacuum, and it is 7mm that this example chooses latus rectum
Vacuum generator.
Major parameter is power and rated discharge pressure when air compressor 9 is selected.According to this example speed of exhaust and very
The requirement of reciprocal of duty cycle, the power of the air compressor for selecting in this example is 1.5KW, and rated discharge pressure is 1.0Mpa.
During work, first vacuum cup 1 is vacuumized, vacuum cup 1 is adsorbed on the surface of workpiece 15.Vacuum cup
1 understands auto Deformation to adapt to the surface of workpiece 15, and vacuum cup 1 can be adsorbed tightly on the surface of workpiece 15.
Installation steps during holding unit fixed clamp workpiece:
Locking nut 3 and vacuum cup 1 are arranged on air guide post 2 first, constitute Acetabula device 10.
Then regulation spring 5 is nested on air guide post 2.One end of vacuum hose 7 is passed through the lateral through aperture of support column 4
12, and this one end is coupled together with the air pipe interface 14 of the lower end of air guide post 2.Then by Acetabula device 10, regulation spring 5 and
The assembly of vacuum hose 7 is placed in support column 4.Workpiece 15 is freely positioned on holding unit.Due to bearing workpiece weight,
Regulation spring 5 is compressed, and Acetabula device 10 understands automatic height adjustment to adapt to the profile forms of workpiece 15.Make each vacuum cup
Workpiece surface is adjacent to, after whole device stabilization, locking locknut 3 is screwed in support column 4, the two forms screw thread and locks sucker
Setting position.
Finally, vacuum hose 7 and vacuum generator 8 are coupled together, the sky that vacuum cup 1 and the surface of workpiece 15 are constituted
Between suction form vacuum, vacuum cup 1 is pressed close to the surface of workpiece 15 and hold workpiece 15, workpiece 15 is fixed.
Claims (1)
1. a kind of simple holding unit of large-scale wallboard, including some Acetabula devices, it is characterised in that:Also occur including vacuum
Device, air compressor, base plate, vacuum hose, air compressor are connected positioned at the outside of base plate with vacuum generator, on base plate
The some base plate blind holes of cloth, Acetabula device is fixed in base plate blind hole；The Acetabula device includes vacuum cup, air guide post, locking
Nut, regulation spring, support column, vacuum cup are circular arc concave structure, and vacuum cup is located at the upper end of air guide post, and vacuum is inhaled
The round boss of tray bottom outer end has external screw thread to coordinate with air guide post, sucker through hole and air guide in the middle of vacuum cup bottom boss
Axis of a cylinder to gas port be connected；The air guide post is cylindrical structural, and to there is gas port, air guide post upper end has interior air guide axis of a cylinder
Screw thread, 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 regulation spring position
In the length of spring in support column, is adjusted for 150mm, compression ratio is 40%；The support column is the cylindrical shape knot of one end closing
Structure, there is screw thread on support column open end inwall, support column inner wall lower circumferentially has step, and support column side wall has lateral through aperture, institute
State vacuum hose one end to be connected with air guide post bottom air pipe interface through lateral through aperture, the vacuum hose other end occurs with vacuum
Device is connected；The locking nut is machined with internal thread and external screw thread, locking nut internal thread and air guide post middle part external screw thread
It is connected, locking nut external screw thread coordinates with screw thread on support column open end inwall, for locking the position of air guide post；It is described
Support column is interference fits with base plate blind hole；Vacuum cup, air guide post, locking nut, regulation spring, the axis of support column and bottom
The axis of board blind hole is 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 |
|---|---|
| CN104708461A CN104708461A (en) | 2015-06-17 |
| CN104708461B true CN104708461B (en) | 2017-07-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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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| CN (1) | CN104708461B (en) |
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| Publication number | Publication date |
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| CN104708461A (en) | 2015-06-17 |
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