CN206632712U - Single cylinder double-locking Pneumatic vacuum flexible fixture - Google Patents
Single cylinder double-locking Pneumatic vacuum flexible fixture Download PDFInfo
- Publication number
- CN206632712U CN206632712U CN201720301655.1U CN201720301655U CN206632712U CN 206632712 U CN206632712 U CN 206632712U CN 201720301655 U CN201720301655 U CN 201720301655U CN 206632712 U CN206632712 U CN 206632712U
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- spring
- cylinder
- pedestal
- flexible fixture
- spring supporting
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Abstract
Single cylinder double-locking Pneumatic vacuum flexible fixture, including pedestal, multiple spring supporting positioning units and the pneuma-lock mechanism for being locked to spring supporting positioning unit, spring supporting positioning unit is arranged on pedestal, pneuma-lock mechanism is arranged on pedestal, and between two spring supporting positioning units, two spring supporting positioning units share a pneuma-lock mechanism, thin-wall part is entered by sucker vacuum adsorbed and firmly locked by pneuma-lock mechanism, to realize the reliable and stable clamping of workpiece；Sucker can automatic paste tightening workpiece surface, there is adaptivity to curve form；The quick-clamping that can realize arbitrary surface using the fixture positions, and effectively shortens part installation work-hour, while controls the machining deformation of thin-walled parts, and then ensures crudy.
Description
Technical field
It the utility model is related to parts fixation technical field, more particularly to a kind of flexible folder of single cylinder double-locking Pneumatic vacuum
Tool.
Background technology
It is the thin-wall part for having complex-curved shape to have numerous parts in the field such as Aeronautics and Astronautics and automobile, due to thin
Wall pieces poor rigidity, yielding, crudy is difficult to ensure that, conventional processing method uses special tooling more, and design is bent with workpiece
Shape consistent special tooling in face makes chucking surface be bonded with workpiece surface, and part shape changes then frock clamp and changed therewith,
For small lot or single-piece work, cause matched fixture value volume and range of product various because part shape is different,
Thus fixture manufacturing cost height, production cycle length, it is impossible to meet the needs of actual production.
It is currently used for the TORRESTOOL that thin-wall curved-surface flexible part positioning tool is released with M. Torres companies of Spain
Flexible Clamp System is most representative, and TORRESTOOL Flexible Clamp Systems are to be based on curved surface multi-point forming technique, using module
Change array architecture, but the support positional lever structure of the flexible fixture is complicated, adjustment mechanism quantity is more, and each adjustment mechanism
Need a controlled motor, number of motors is more, and then cause the fixture control difficulty it is big, fixture involves great expense.
There is combined type flexible fixture at present, combined type flexible fixture includes electric flexible multi-point support fixture and thin-walled hand
Ejector half adjusts fixture, and these fixtures can be according to the Adjusting Shape Support Position of parts, and electronic adjustment mode is complicated, cost
Height, then speed is slow, positioning precision is poor for manual adjusting style, and needs special elevation carrection equipment.
Utility model content
The technical problem that the utility model solves is to provide a kind of single cylinder double-locking Pneumatic vacuum flexible fixture, with solution
The shortcomings that in certainly above-mentioned background technology.
The technical problem that the utility model solves is realized using following technical scheme：
Single cylinder double-locking Pneumatic vacuum flexible fixture, including pedestal, multiple spring supporting positioning units and for spring
The pneuma-lock mechanism that support positioning unit is locked, spring supporting positioning unit are arranged on pedestal, pneuma-lock mechanism
On pedestal, and between two spring supporting positioning units；In spring supporting positioning unit, spring supporting positioning is single
Member by fixed cover be arranged on pedestal on, the groove for installing guide pad is provided with fixed cover, above fixed cover with guiding
The position on block mounting groove opposite is provided with the rectangle locking hole for installation locking block；Retracting cylinder is arranged in fixed cover, retracting cylinder
Moved axially in fixed cover, retracting cylinder guide groove, retracting cylinder guide groove and guide pad collective effect are provided with retracting cylinder, with
Limitation retracting cylinder is only capable of axial movement and can not rotated, the flexible power resources of retracting cylinder in the spring inside retracting cylinder,
The deformation direction of spring lead limited spring, retracting cylinder upper end are provided with ball cup, and passage is provided with ball cup, ventilation
Hole one end is connected with vacuum tube, and the other end connects with the axially extending bore in bulb fixing bolt；Spring lead is arranged on fixation
Endoporus lower end is covered, and on catch, spring housing is in spring lead, and spring one end and the shaft shoulder of spring lead connect
Touch, one end contacts with ball cup, for being flexibly supported to spring supporting positioning unit, when not putting workpiece, by the work of spring
With retracting cylinder is in upper extreme position；After putting workpiece, because spring is compressed, retracting cylinder can be with the shape of curve surface of workpiece
Adjust automatically in certain limit；Bulb upper and lower ends symmetrically respectively cut a part, and fixing bolt is threadedly coupled with ball cup, axially
Fixed bulb, ball cup are connected with bulb by ball-type chamber；Ball cup top is provided with pallet, be provided with pallet carrier with
Sucker, carrier, sucker and bulb form spherical pair, and spherical pair can freely swing within the specific limits with respect to bulb；Carrier
On be provided with the strong point of more than three, the corresponding vacuum switch of each sucker, the corresponding vacuum tube of each vacuum switch,
When vacuum switch is opened, vacuum tube forms negative pressure to suction disc vacuum pumping, to hold workpiece surface；In pneuma-lock mechanism, cylinder
Seat is arranged on pedestal, and cylinder is arranged on above cylinder block, and the both sides for boring block are cammed surface, cylinder piston by cammed surface with
Block connection is bored, spring leaf, roller and bearing pin are installed on latch segment, roller contacts with cone block composition line higher pair, latch segment and gas
Cylinder seat forms prismatic pair, utilizes spring leaf return.
In the utility model, spring supporting positioning unit is distributed on pedestal by M rows × N array.
In the utility model, retracting cylinder external diameter is identical with fixed cover internal diameter size.
In the utility model, fixed cover lower end is provided with groove, and clip is provided with groove, to prevent stop tab, spring and
Spring lead is deviate from.
In the utility model, the groove opened on fixed cover is rectangular configuration.
In the utility model, pallet is circular configuration.
In the utility model, retracting cylinder is hollow-core construction.
In the utility model, the strong point set on carrier is support claw.
In the utility model, during work after cylinder activation, cylinder piston promotes that cone block is descending, and cone block forms line with roller
Higher pair contacts, and cone block promotes latch segment to be moved to away from cone block axis direction by roller, bearing pin, and latch segment utilizes circular arc camber
Contacted with retracting cylinder, lock retracting cylinder；When being stopped, the compressed air pressure release of cylinder, spring leaf promotes latch segment to return to
Initial position, separated with demonstrate,proving latch segment with retracting cylinder；Two latch segments are controlled using a cylinder, and then are realized to two springs
Support the locking of positioning unit.
Beneficial effect：The utility model is simple in construction, clamping is reliable, the single cylinder twin-lock with curve form adaptive
Type, and part curve form is adapted to according to the change that curve surface of workpiece method is sweared automatically using multiple positioning sucker disks, to realize flexibility
Positioning clamping, effectively overcome due to thin-wall part poor rigidity, the changeable caused clamping problem of curve form；Simultaneously carrier with
Thin-wall part is 3 points or Multi-contact, and the strong point is evenly distributed, small compared with single-contact workpiece local deformation；Sucker can be quick
Change and freely swing within the specific limits, different size of sucker, easy to maintenance, each spring supporting can be installed according to demand
Positioning unit can work independently.
Brief description of the drawings
Fig. 1 is the structural representation of preferred embodiment of the present utility model.
Fig. 2 is the support positioning unit structural representation in preferred embodiment of the present utility model.
Fig. 3 is the pneuma-lock mechanism partial schematic diagram in preferred embodiment of the present utility model.
Embodiment
In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are readily apparent from clearly, under
Face combines and is specifically illustrating, and the utility model is expanded on further.
Referring to the single cylinder double-locking Pneumatic vacuum flexible fixture of Fig. 1~3, including pedestal 1, spring supporting positioning unit 2 and
Pneuma-lock mechanism 3, spring supporting positioning unit 2 include fixed cover 4, retracting cylinder 5, guide pad 6, ball cup 7, bulb 8, pallet
9th, carrier 10, sucker 11, spring 12, spring lead 13, catch 14, pneuma-lock mechanism 3 include cylinder block 15, cylinder
16th, block 17, bearing pin 18, roller 19, spring leaf 20 and latch segment 21 are bored；It is single that 12 spring supporting positioning are provided with pedestal 1
Member 2, and spring supporting positioning unit 2, by the column distribution of 3 rows × 4, spring supporting positioning unit 2 is expansible or reduces；Gas-operated lock
Tight mechanism 3 is arranged on pedestal 1, and between two spring supporting positioning units 2；Spring supporting positioning unit 2 passes through solid
Surely cover 4 adpting flanges, bolt and pedestal 1 to connect, be provided with the fixed cover 4 of spring supporting positioning unit 2 for installing guide pad 6
Rectangular channel, the rectangle locking for installation locking block 21 is provided with the position on the mounting groove opposite of guide pad 6 above fixed cover 4
Hole, retracting cylinder 5 are arranged in fixed cover 4, and the external diameter of retracting cylinder 5 is identical with the internal diameter size of fixed cover 4, and retracting cylinder 5 is in fixed cover 4
Move axially, retracting cylinder guide groove, retracting cylinder guide groove and the collective effect of guide pad 6 are provided with retracting cylinder, it is flexible to limit
Cylinder 5, which is only capable of axial movement, to be rotated；The top of retracting cylinder 5 is installed with ball cup 7, and passage is provided with ball cup 7, leads to
Stomata one end is connected with external vacuum pipe, and the other end connects with the axially extending bore in the fixing bolt of bulb 8；The axle of spring lead 13
Catch is arranged on the endoporus lower end of fixed cover 4, and is provided with groove in the lower end of fixed cover 4, clip is equipped with groove, to prevent stop tab
14th, spring 12 and spring lead 13 are deviate from；Spring lead 13 is arranged on catch 14, and spring 12 is enclosed on spring lead 13
On, and the one end of spring 12 contacts with the shaft shoulder of spring lead 13, the other end contacts with ball cup 7, for determining spring supporting
Bit location 2 is flexibly supported, and when not putting workpiece, by the effect of spring 12, retracting cylinder 5 is in upper extreme position；Put workpiece
Afterwards, because spring 12 is compressed, retracting cylinder 5 can adjust automatically within the specific limits with the shape of curve surface of workpiece；
The upper and lower ends of bulb 8 symmetrically respectively cut a part, and through hole runs through upper and lower end parts, fixing bolt and the screw thread of ball cup 7
Connection, axial restraint bulb 8；Ball cup 7 is connected with bulb 8 by ball-type chamber, and axially extending bore is provided with fixing bolt, axially logical
Hole connects with the passage in ball cup 7；Pallet 9 and carrier 10 are arranged on bulb 8, and spherical pair, sphere are formed with bulb 8
Parafacies can freely swing within the specific limits to bulb 8；There are three support claws on carrier 10, during work, and workpiece at 3 points
Contact, supporting ＆ stablizing are reliable；Sucker 11 is arranged on pallet 9, the corresponding independent vacuum switch of each sucker 9, works as vacuum
When switch is opened, sucker 9 is vacuumized to form negative pressure, to hold workpiece surface；
In pneuma-lock mechanism 3, cylinder block 15 is fixedly connected with pedestal 1, and cylinder 16 is fixed on the top of cylinder block 15, bores block
17 are connected with the piston shaft of cylinder 16 by cammed surface；After cylinder 16 is connected during work, the piston of cylinder 16 promotes cone block 17 descending, cone
Block 17 forms line higher pair with roller 19 and contacted, and cone block 17 promotes latch segment 21 away from the cone axis of block 17 by roller 19 and bearing pin 18
Direction is moved, and latch segment 21 is arranged in the rectangle locking hole of the top of fixed cover 4, and latch segment 21 utilizes circular arc camber and retracting cylinder
5 contacts, locking retracting cylinder 5；When being stopped, the compressed air pressure release of cylinder 16, spring leaf 20 promotes latch segment 21 to return to
Initial position, ensure that latch segment 21 separates with retracting cylinder 5.
The advantages of general principle and principal character of the present utility model and the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the spirit and scope of the utility model is not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within claimed the scope of the utility model.The utility model
Claimed scope is by appended claims and its equivalent thereof.
Claims (8)
1. single cylinder double-locking Pneumatic vacuum flexible fixture, including pedestal, multiple spring supporting positioning units and for spring branch
The pneuma-lock mechanism that support positioning unit is locked, it is characterised in that spring supporting positioning unit is arranged on pedestal, pneumatically
Retaining mechanism is arranged on pedestal, and between two spring supporting positioning units；In spring supporting positioning unit, spring branch
Support positioning unit to be arranged on pedestal by fixed cover, the groove for installing guide pad is provided with fixed cover, on fixed cover
The position on side and guide pad mounting groove opposite is provided with the rectangle locking hole for installation locking block；Retracting cylinder is arranged on fixed cover
It is interior, retracting cylinder guide groove is provided with retracting cylinder, retracting cylinder upper end is provided with ball cup, passage is provided with ball cup, leads to
Stomata one end is connected with vacuum tube, and the other end connects with the axially extending bore in bulb fixing bolt；Spring lead is arranged on solid
Surely endoporus lower end is covered, and on catch, spring housing is in spring lead, and spring one end and the shaft shoulder of spring lead
Contact, one end contacts with ball cup；Bulb upper and lower ends symmetrically respectively cut a part, and fixing bolt is threadedly coupled with ball cup,
Ball cup is connected with bulb by ball-type chamber；Ball cup top is provided with pallet, and carrier and sucker are provided with pallet, carrying
Disk, sucker and bulb form spherical pair；The strong point of more than three is provided with carrier, the corresponding vacuum of each sucker is opened
Close, the corresponding vacuum tube of each vacuum switch；In pneuma-lock mechanism, cylinder block is arranged on pedestal, and cylinder is arranged on gas
Above cylinder seat, the both sides for boring block are cammed surface, and cylinder piston is connected by cammed surface with cone block, and spring is provided with latch segment
Piece, roller and bearing pin, roller contact with cone block composition line higher pair, and latch segment forms prismatic pair with cylinder block.
2. single cylinder double-locking Pneumatic vacuum flexible fixture according to claim 1, it is characterised in that spring supporting positioning is single
Member is distributed on pedestal by M rows × N array.
3. single cylinder double-locking Pneumatic vacuum flexible fixture according to claim 1, it is characterised in that retracting cylinder external diameter is with consolidating
Surely it is identical to cover internal diameter size.
4. single cylinder double-locking Pneumatic vacuum flexible fixture according to claim 1, it is characterised in that fixed cover lower end is provided with
Groove, clip is installed in groove.
5. single cylinder double-locking Pneumatic vacuum flexible fixture according to claim 1, it is characterised in that is opened on fixed cover is recessed
Groove is rectangular configuration.
6. single cylinder double-locking Pneumatic vacuum flexible fixture according to claim 1, it is characterised in that pallet is tied to be circular
Structure.
7. single cylinder double-locking Pneumatic vacuum flexible fixture according to claim 1, it is characterised in that retracting cylinder is hollow knot
Structure.
8. single cylinder double-locking Pneumatic vacuum flexible fixture according to claim 1, it is characterised in that set on carrier
The strong point is support claw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720301655.1U CN206632712U (en) | 2017-03-27 | 2017-03-27 | Single cylinder double-locking Pneumatic vacuum flexible fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720301655.1U CN206632712U (en) | 2017-03-27 | 2017-03-27 | Single cylinder double-locking Pneumatic vacuum flexible fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206632712U true CN206632712U (en) | 2017-11-14 |
Family
ID=60262047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720301655.1U Withdrawn - After Issue CN206632712U (en) | 2017-03-27 | 2017-03-27 | Single cylinder double-locking Pneumatic vacuum flexible fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206632712U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106826318A (en) * | 2017-03-27 | 2017-06-13 | 江西洪都航空工业集团有限责任公司 | Single cylinder double-locking Pneumatic vacuum flexible fixture |
| CN113661028A (en) * | 2019-04-12 | 2021-11-16 | Thk株式会社 | Multi-type tray device, control system for multi-type tray device, displacement limiting mechanism, and copying mechanism |
| CN114700679A (en) * | 2022-03-24 | 2022-07-05 | 江苏庆峰工程集团有限公司 | Heat exchanger welding frock |
-
2017
- 2017-03-27 CN CN201720301655.1U patent/CN206632712U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106826318A (en) * | 2017-03-27 | 2017-06-13 | 江西洪都航空工业集团有限责任公司 | Single cylinder double-locking Pneumatic vacuum flexible fixture |
| CN106826318B (en) * | 2017-03-27 | 2019-03-29 | 江西洪都航空工业集团有限责任公司 | Single cylinder double-locking Pneumatic vacuum flexible fixture |
| CN113661028A (en) * | 2019-04-12 | 2021-11-16 | Thk株式会社 | Multi-type tray device, control system for multi-type tray device, displacement limiting mechanism, and copying mechanism |
| CN113661028B (en) * | 2019-04-12 | 2024-03-26 | Thk株式会社 | Multi-variety handling tray device, control system for multi-variety handling tray device, displacement limiting mechanism, and profiling mechanism |
| CN114700679A (en) * | 2022-03-24 | 2022-07-05 | 江苏庆峰工程集团有限公司 | Heat exchanger welding frock |
| CN114700679B (en) * | 2022-03-24 | 2024-04-26 | 江苏庆峰工程集团有限公司 | Heat exchanger welding frock |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20171114 Effective date of abandoning: 20190329 |
|
| AV01 | Patent right actively abandoned |