CN108145464A - A kind of bowl-type thin-walled parts vacuum fixture - Google Patents
A kind of bowl-type thin-walled parts vacuum fixture Download PDFInfo
- Publication number
- CN108145464A CN108145464A CN201810137655.1A CN201810137655A CN108145464A CN 108145464 A CN108145464 A CN 108145464A CN 201810137655 A CN201810137655 A CN 201810137655A CN 108145464 A CN108145464 A CN 108145464A
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- CN
- China
- Prior art keywords
- bowl
- type
- support portion
- workpiece
- screw
- 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.)
- Pending
Links
- 238000007789 sealing Methods 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 abstract description 9
- 238000003754 machining Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 4
- 229920000459 Nitrile rubber Polymers 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
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
-
- 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
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/04—Work clamping means using fluid means or a vacuum
-
- 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
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/10—Devices for clamping workpieces of a particular form or made from a particular material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a kind of bowl-type thin-walled parts vacuum fixtures,It includes bowl-type workpiece,It is used to support the support portion of bowl-type workpiece,For fixing the trim ring at the rim of a bowl position and the vacuumizing assembly that bowl-type workpiece is made to keep vacuum state above bowl-type workpiece,It is provided among the support portion and the matched bowl-type slot of bowl-type workpiece,The bowl-type workpiece is placed in the bowl-type slot of support portion,The bowl-type trench bottom is provided with air hole,It is corresponding below the air hole to be provided with vacuumizing assembly,The trim ring is arranged at the top of support portion to fix bowl-type workpiece,It is attached between the trim ring and support portion by the first screw,Position is provided with the first sealing ring among the bowl-type slot circumference,The invention avoids easily bowl-type workpiece is made to deform due to shaking in process,The generation of bottom sides shake knife phenomenon when avoiding processing,It ensure that machining accuracy and minimum clamping deformation.
Description
Technical field
The present invention relates to Workpiece clamping technical field more particularly to a kind of bowl-type thin-walled parts vacuum fixtures.
Background technology
Thin-wall workpiece refers to the thickness of structure relative to the thinner part of entire workpiece volume, thin-wall workpiece（It justifies straight
The ratio between diameter D and wall thickness δ are usually D/ δ=50~200, and wall thickness δ is about 0.25~2mm）Processing be to compare spine in turning
The problem of hand, the reason is that thin-wall workpiece has the characteristics that light weight, saves material and compact-sized, but rigidity is poor, due to by
To the influence of vibration, process is easy to deform.Meanwhile it can usually be generated at workpiece and processing during mechanical processing
A large amount of heat, the wall of thin-wall workpiece is than relatively thin, extremely easy temperature distortion.In stress deformation and the collective effect of temperature distortion
Under, the dimensional accuracy and form accuracy of workpiece are difficult to control, and lead to defect rate height.
Invention content
For problems of the prior art, the present invention provides a kind of bowl-type thin-walled parts vacuum fixtures, solve
The problem of thin-wall workpiece is easily deformed in the prior art.
The technical solution adopted in the present invention is：A kind of bowl-type thin-walled parts vacuum fixture, including bowl-type workpiece, is used for
Support the support portion of bowl-type workpiece, for fixing the trim ring at the rim of a bowl position above bowl-type workpiece and bowl-type workpiece is made to keep vacuum shape
The vacuumizing assembly of state, is provided among the support portion and the matched bowl-type slot of bowl-type workpiece, the bowl-type workpiece are placed
In the bowl-type slot of support portion, the bowl-type trench bottom is provided with air hole, and corresponding be provided with is taken out very below the air hole
Empty component, the trim ring are arranged at the top of support portion for fixing bowl-type workpiece, pass through first between the trim ring and support portion
Screw is attached, and position is provided with the first sealing ring among the bowl-type slot circumference.
Preferably, the vacuum tank for being useful for placing vacuumizing assembly is correspondingly arranged below the air hole, it is described to vacuumize
Component includes exhaust tube, piston and the second screw, and for connecting air hole and vacuum tank, the piston is arranged on the exhaust tube
Inside vacuum tank, the internal piston is fixed with the second screw, and second screw can carry out a left side with piston in vacuum tank
It moves right.
Preferably, the vacuumizing assembly that the air hole and air hole lower section are set is provided with 6 groups altogether.
Preferably, the support portion periphery for setting the second screw is provided with the spacing ring for protecting the second screw,
The spacing ring is arranged on support portion bottom and passes through third screw and is attached.
Preferably, locating slot is provided with below the piston, is provided with to position piston in the locating slot
Guide positioning pin, be fixed below support portion below the guide positioning pin.
Preferably, the piston nose periphery is provided with the second sealing ring.
Preferably, gap connection is carried out between second screw and piston.
Preferably, there are two second sealing ring is set altogether.
The advantageous effect that the present invention reaches is：The present invention provides a kind of bowl-type thin-walled parts vacuum fixture, by that will press from both sides
Tool support portion is designed to bowl-type shape, and sets vacuumizing assembly in jig support section bottom, by vacuumizing assembly by bowl-type
Air between workpiece and support portion bowl-type slot is taken away, makes to keep vacuum state between bowl-type workpiece and support portion bowl-type slot, and
Bowl-type workpiece is protected by trim ring and the first sealing ring, is avoided in process since vibrations easily make bowl-type workpiece
It deforms, the generation of bottom sides shake knife phenomenon, ensure that machining accuracy and minimum clamping deformation when avoiding processing.
Description of the drawings
The present invention is further described below in conjunction with the accompanying drawings,
Fig. 1 is the front view of the present invention；
Fig. 2 is represented in Fig. 1 along the sectional view in A-A directions；
Fig. 3 is the stereogram of the present invention；
Fig. 4 be bowl-type workpiece and support section of the present invention from when front view；
Fig. 5 is represented in Fig. 4 along the sectional view in B-B directions；
Fig. 6 be bowl-type workpiece and support section of the present invention from when vertical view；
Fig. 7 is the bottom view of the present invention；
Wherein, 1, bowl-type workpiece, 2, support portion, 21, bowl-type slot, 22, air hole, the 23, first screw, the 24, first sealing ring,
3rd, trim ring, 4, vacuumizing assembly, 41, vacuum tank, 42, exhaust tube, 43, piston, the 44, second screw, 45, locating slot, 46, lead
To positioning pin, the 47, second sealing ring, 5, spacing ring, 51, third screw.
Specific embodiment
The specific embodiment of the present invention is described further below in conjunction with the accompanying drawings.
The technical solution adopted in the present invention is：As shown in Figures 1 to 7, a kind of bowl-type thin-walled parts vacuum fixture, packet
Include bowl-type workpiece 1, the support portion 2 for being used to support bowl-type workpiece 1,3 and of trim ring for fixing 1 top the rim of a bowl position of bowl-type workpiece
Bowl-type workpiece 1 is made to keep the vacuumizing assembly 4 of vacuum state, is provided among the support portion 2 matched with bowl-type workpiece 1
Bowl-type slot 21, the bowl-type workpiece 1 are placed in the bowl-type slot 21 of support portion 2, and 21 bottom of bowl-type slot is provided with air hole
22,22 lower section of air hole is corresponding to be provided with vacuumizing assembly 4, and the trim ring 3 is arranged on 2 top of support portion for fixing
Bowl-type workpiece 1 is attached between the trim ring 3 and support portion 2 by the first screw 23, the 21 circumference middle part of bowl-type slot
Position is provided with the first sealing ring 24.
In this application, bowl-type workpiece 1 is placed in the bowl-type slot 21 of support portion 2, is first passed through trim ring 3 and is pushed down bowl-type workpiece
1 top outer, then trim ring 3 and support portion 2 are fixed by the first screw 23, so as to reach to 1 top of bowl-type workpiece
The effect being fixed；By the first sealing ring 24 of setting among support portion 2, increase between bowl-type workpiece 1 and support portion 2
Frictional force, bowl-type slot 21 employs NBR nitrile rubber sealing rings, and to bowl-type with 1 touching position of bowl-type workpiece in the application
Workpiece 1 is vacuumized with 21 touching position of bowl-type slot, and bowl-type workpiece 1 is made to keep vacuum state with 21 touching position of bowl-type slot,
The vibrations generated in process are reduced, protective effect are played to bowl-type workpiece 1, it is therefore prevented that bowl-type workpiece 1 is processed
It is deformed in journey, ensure that the machining accuracy of bowl-type workpiece 1.
Preferable scheme is that 22 lower section of air hole is correspondingly arranged the vacuum tank 41 for being useful for placing vacuumizing assembly 4,
The vacuumizing assembly 4 includes exhaust tube 42,43 and second screw 44 of piston, and the exhaust tube 42 is used to connect 22 He of air hole
Vacuum tank 41, the piston 43 are arranged on inside vacuum tank 41, are fixed with the second screw 44 inside the piston 42, and described second
Screw 44 can be moved left and right with piston 43 in vacuum tank 41.
Air hole 22 is connected by exhaust tube 42 and vacuum tank 41, vacuum subassembly 4 are arranged in vacuum tank 41, the second screw
44 are arranged in piston 43, and piston 43 is arranged in vacuum tank 41, by pulling out the second screw 44 and then with piston
43 move out, and then bowl-type workpiece 1 is emptied with the air that bowl-type slot 21 is in contact, and make bowl-type workpiece 1 in processing
In vacuum state.
Preferable scheme is that the vacuumizing assembly 4 that the air hole 22 and 22 lower section of air hole are set is provided with 6 groups altogether,
The vacuumizing assembly 4 that air hole 22 and 22 lower section of air hole are set is uniformly arranged around 21 lower circumference of bowl-type slot, makes bowl-type work
Part 1 and 21 touching position of bowl-type slot keep uniform force state, ensure that bowl-type workpiece 1 in processing due to discontinuity and
It is deformed, ensure that the machining accuracy of bowl-type workpiece 1.
Preferable scheme is that it is provided with to protect the second screw in 2 periphery of support portion for setting the second screw 44
44 spacing ring 5, spacing ring 5 are arranged on 2 bottom of support portion and pass through third screw 51 and be attached, by spacing ring 5 to
Two screws 44 are fixed, it is therefore prevented that the second screw 44 is loosened due to vibrations in process, and then destroys vacuum state.
Preferable scheme is that 43 lower section of the piston is provided with locating slot 45, be provided in the locating slot 45 for pair
The guide positioning pin 46 that piston 43 is positioned, 46 lower section of guide positioning pin is fixed on 2 lower section of support portion, by that will be oriented to
Positioning pin 46 is set in locating slot 45, when piston 43 is moved left and right, can only be carried out along 46 direction of guide positioning pin
Mobile, guide positioning pin 46 plays the role of guiding movement to piston 43.
Preferable scheme is that the 43 front end periphery of piston is provided with the second sealing ring 47, pass through the second sealing ring
47 setting ensure that air-tightness of the piston 43 during the motion in seal groove.
Preferable scheme is that carrying out gap connection between second screw 44 and piston 43, piston 43 can guarantee in this way
There is certain amount of floating during back-and-forth motion.
Preferable scheme is that there are two the common settings of second sealing ring 47.
The operation principle of the present invention is that bowl-type workpiece is placed in the bowl-type slot of support portion first, first passes through trim ring pressure
Firmly outer above bowl-type workpiece, then trim ring and support portion are fixed by the first screw, so as to reach to bowl-type workpiece
The effect that top is fixed connects air hole and vacuum tank, vacuum subassembly by exhaust tube and is arranged in vacuum tank, pass through to
The second screw of outer pulling, is moved out by the second screw belt piston, by bowl-type workpiece and the air that bowl-type slot is in contact into
Row emptying makes bowl-type workpiece, in vacuum state, be processed at this time to bowl-type workpiece in processing.
The first sealing ring of setting, increases the frictional force between bowl-type workpiece and support portion among support portion, reduces and adds
The vibrations generated during work, play protective effect, it is therefore prevented that bowl-type workpiece generates change in process to bowl-type workpiece
Shape ensure that the machining accuracy of bowl-type workpiece；Spacing ring is arranged on support portion bottom and passes through third screw and is attached, and passes through
The second screw is fixed in spacing ring, it is therefore prevented that the second screw is loosened due to vibrations in process, and then destroys vacuum
State；Locating slot is provided with below piston, guide positioning pin is provided in locating slot, it, can only when piston is moved left and right
It is moved along guide positioning pin direction, guide positioning pin plays the role of guiding movement to piston.
After the completion of bowl-type work pieces process, first third screw is opened, the spacing ring for being looped around support portion bottom is dismantled
Fall, then bowl-type workpiece and bowl-type slot touching position are admitted air into, then open the first screw by the position of mobile second screw
And trim ring, so as to card, she takes out the bowl-type workpiece processed.
The above are preferred embodiments of the present invention, not makees limitation in any form, every foundation to the present invention
Technical spirit any simple modification, equivalent change and modification made to the above embodiment of the present invention, belongs to inventive technique
In the range of scheme.
Claims (8)
1. a kind of bowl-type thin-walled parts vacuum fixture, which is characterized in that it includes bowl-type workpiece, the branch for being used to support bowl-type workpiece
Support part, the vacuumizing assembly for fixing the trim ring at bowl-type workpiece top the rim of a bowl position and bowl-type workpiece being made to keep vacuum state,
It is provided among the support portion and is placed on the bowl-type slot of support portion with the matched bowl-type slot of bowl-type workpiece, the bowl-type workpiece
Interior, the bowl-type trench bottom is provided with air hole, and the air hole lower section is corresponding to be provided with vacuumizing assembly, and the trim ring is set
It puts and is used to fix bowl-type workpiece at the top of support portion, be attached between the trim ring and support portion by the first screw, it is described
Position is provided with the first sealing ring among bowl-type slot circumference.
2. a kind of bowl-type thin-walled parts vacuum fixture according to claim 1, which is characterized in that right below the air hole
The vacuum tank for placing vacuumizing assembly should be provided with, the vacuumizing assembly includes exhaust tube, piston and the second screw, institute
Exhaust tube is stated for connecting air hole and vacuum tank, the piston is arranged on inside vacuum tank, and the internal piston is fixed with the
Two screws, second screw can be moved left and right with piston in vacuum tank.
A kind of 3. bowl-type thin-walled parts vacuum fixture according to claim 1, which is characterized in that the air hole and ventilative
The vacuumizing assembly set below hole is provided with 6 groups altogether.
4. a kind of bowl-type thin-walled parts vacuum fixture according to claim 2, which is characterized in that the second screw is being set
Support portion periphery is provided with the spacing ring for protecting the second screw, and the spacing ring is arranged on support portion bottom and passes through
Third screw is attached.
5. a kind of bowl-type thin-walled parts vacuum fixture according to claim 2, which is characterized in that set below the piston
There is locating slot, the guide positioning pin for being positioned to piston, the guide positioning pin lower section are provided in the locating slot
It is fixed below support portion.
A kind of 6. bowl-type thin-walled parts vacuum fixture according to claim 2, which is characterized in that the piston nose circumference
Outside is provided with the second sealing ring.
7. a kind of bowl-type thin-walled parts vacuum fixture according to claim 2, which is characterized in that second screw and work
Gap connection is carried out between plug.
8. a kind of bowl-type thin-walled parts vacuum fixture according to claim 5, which is characterized in that second sealing ring is total to
There are two settings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810137655.1A CN108145464A (en) | 2018-02-10 | 2018-02-10 | A kind of bowl-type thin-walled parts vacuum fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810137655.1A CN108145464A (en) | 2018-02-10 | 2018-02-10 | A kind of bowl-type thin-walled parts vacuum fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108145464A true CN108145464A (en) | 2018-06-12 |
Family
ID=62459783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810137655.1A Pending CN108145464A (en) | 2018-02-10 | 2018-02-10 | A kind of bowl-type thin-walled parts vacuum fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108145464A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109986385A (en) * | 2019-04-09 | 2019-07-09 | 天津大学 | A kind of antenna house vacuum adsorption fixture |
| CN111843572A (en) * | 2020-08-25 | 2020-10-30 | 中国工程物理研究院机械制造工艺研究所 | Negative pressure suction tool for processing circular plane sheets |
| CN114643376A (en) * | 2020-12-17 | 2022-06-21 | 西安西航集团莱特航空制造技术有限公司 | Positioning support clamp for machining small hole of turbine guide disc and working method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103101008A (en) * | 2013-01-31 | 2013-05-15 | 江苏大学 | Positioning fixture for assembly of thin-wall curved-surface parts |
| CN103302520A (en) * | 2013-07-08 | 2013-09-18 | 贵州航天红光机械制造有限公司 | Vacuum adsorption device for processing outer surface of thin-walled hemispherical component |
| CN103769922A (en) * | 2012-10-24 | 2014-05-07 | 西安志越机电科技有限公司 | Clamp special for thin plate part milling |
| CN104476279A (en) * | 2014-12-12 | 2015-04-01 | 苏州工业园区艺达精密机械有限公司 | Vacuum suction cup machining clamp and using method thereof |
| CN106881609A (en) * | 2017-03-01 | 2017-06-23 | 大连理工大学 | A kind of thin-walled flat board magnetic flow liquid flexible support method |
| CN206732608U (en) * | 2017-04-06 | 2017-12-12 | 成都正山机械制造有限公司 | A kind of Pneumatic type hemispherical protective cover working inner sphere fixture |
| CN208051385U (en) * | 2018-02-10 | 2018-11-06 | 无锡微研中佳精机科技有限公司 | A kind of bowl-type thin-walled parts vacuum fixture |
-
2018
- 2018-02-10 CN CN201810137655.1A patent/CN108145464A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103769922A (en) * | 2012-10-24 | 2014-05-07 | 西安志越机电科技有限公司 | Clamp special for thin plate part milling |
| CN103101008A (en) * | 2013-01-31 | 2013-05-15 | 江苏大学 | Positioning fixture for assembly of thin-wall curved-surface parts |
| CN103302520A (en) * | 2013-07-08 | 2013-09-18 | 贵州航天红光机械制造有限公司 | Vacuum adsorption device for processing outer surface of thin-walled hemispherical component |
| CN104476279A (en) * | 2014-12-12 | 2015-04-01 | 苏州工业园区艺达精密机械有限公司 | Vacuum suction cup machining clamp and using method thereof |
| CN106881609A (en) * | 2017-03-01 | 2017-06-23 | 大连理工大学 | A kind of thin-walled flat board magnetic flow liquid flexible support method |
| CN206732608U (en) * | 2017-04-06 | 2017-12-12 | 成都正山机械制造有限公司 | A kind of Pneumatic type hemispherical protective cover working inner sphere fixture |
| CN208051385U (en) * | 2018-02-10 | 2018-11-06 | 无锡微研中佳精机科技有限公司 | A kind of bowl-type thin-walled parts vacuum fixture |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109986385A (en) * | 2019-04-09 | 2019-07-09 | 天津大学 | A kind of antenna house vacuum adsorption fixture |
| CN111843572A (en) * | 2020-08-25 | 2020-10-30 | 中国工程物理研究院机械制造工艺研究所 | Negative pressure suction tool for processing circular plane sheets |
| CN114643376A (en) * | 2020-12-17 | 2022-06-21 | 西安西航集团莱特航空制造技术有限公司 | Positioning support clamp for machining small hole of turbine guide disc and working method |
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