CN102966659B - Universal vacuum chuck with automatic closing function - Google Patents
Universal vacuum chuck with automatic closing function Download PDFInfo
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- CN102966659B CN102966659B CN201210492210.8A CN201210492210A CN102966659B CN 102966659 B CN102966659 B CN 102966659B CN 201210492210 A CN201210492210 A CN 201210492210A CN 102966659 B CN102966659 B CN 102966659B
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- bowl
- ball
- sucker
- rotating sphere
- layer rotating
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Abstract
The invention discloses a universal vacuum chuck with an automatic closing function, which is a device for adsorption fixation of large three-dimensional surface parts. The device mainly comprises a seal lip suction disc (1), a first layer of rotary spherical bowl (2), a second layer of rotary spherical bowl (3) and a spherical bowl supporting seat (4). The structure of the two layers of rotary spherical bowls guarantees that the chuck can swing in the angle range of 45 DEG to adapt to the requirements of adsorption fixation of different three-dimensional surface parts; and meanwhile, a vacuum automatic feedback adjustment device comprising a sliding block with a pin hole on the side wall of the supporting seat, a spring and a dustproof net guarantees that a vacuum air channel is automatically connected for adsorbing the parts when the parts are on the chuck, and after the parts are taken down, only a pin hole air channel on a moving block is connected to achieve the purpose of almost closing the chuck. According to the universal vacuum chuck, the vacuum chuck is integrated with the vacuum feedback adjustment device, so that the vacuum pumping flow quantity in the working and intermittent states can be automatically adjusted, and the function of automatically adsorbing the parts in the presence of the parts and automatically closing the chuck in the absence of the parts is achieved.
Description
Technical field:
The present invention is adsorbed stationary device to Arbitrary 3 D curved surface part on flexible frock, belongs to mechanical engineering field.
Background technique:
In the assembly processes such as the course of working such as the milling limit of the large-scale three dimensional curved surface parts such as aircraft skin, boring, line and riveted joint, need Special tooling clamp.Each part all needs a set of special frock, and cost is high, storage space is large.Therefore there is flexible multipoint tool, this frock can be according to the size of supported part and geometrical shape, needed height is also adjusted in automatic placement needed nail post position, replace traditional special tooling, support, fixing large-scale three dimensional curved surface part, for operations such as measurement, line, milling limit, borings.In order to adapt to a set of frock, support the requirement of fixing different three-dimension curved surface parts, on flexible multipoint tool, follow closely column end and often adopt vacuum chuck device.Due to the difference of supported part geometry shape, vacuum chuck must be able to adapt to the variation of curved surface profile, forwards the arbitrarily angled part of can both realizing to and adsorbs; On the other hand, because the size of part is different, on flexible multipoint tool, the number of nail post used is each not identical yet, and this just requires, on each nail post, solenoid valve is installed.For the nail post solenoid valve of support member, connect adsorbent parts, no control is closed, and causes that cost is high, system complex.In order to solve above-mentioned these problems, need to a kind ofly can realize flexible rotating, there is the vacuum chuck device of automatic cut-off function simultaneously.
Summary of the invention:
The object of this invention is to provide a kind of according to the geometrical shape automatic alignment adsorbent parts of three-dimension curved surface part and with the Universal vacuum chuck device from turn-off function.By vacuum chuck and vacuum feedback regulation device are become one, without electrical control, can automatically regulate work and vacuumize flow intermittently time, realize automatic absorbing while having part, the function of automatically closing during without part.
The object of the invention is to realize by following technological scheme, accompanying drawings is as follows:
A kind of band is from the Universal vacuum chuck of turn-off function, mainly by sucker, ball bowl, ball bowl bearing, seal sleeve and vacuum automatic feedback controlling device, formed, described sucker adopts sealing lip limit sucker 1, described ball bowl is comprised of the second layer rotating sphere bowl 3 of first layer rotating sphere bowl 2 and bowl formula structure, first layer rotating sphere bowl 2 is indent cylindrical structure, top coordinates with sealing lip limit sucker 1, is connected by screw and is integrated, and outer surface is ball-type; Described second layer rotating sphere bowl 3 is bowl formula structure, turns over sealing along airtight cooperation of ball-type outer surface with first layer rotating sphere bowl 2 in it, and the Spherical Seals edge on its ball-type outer surface and ball bowl bearing 4 is sealed and matched; Described ball bowl bearing 4 centers are empty inner chamber, and empty intracavity sidewall is provided with the mounting hole of vertical vent and pin hole slide blocks, and empty inner chamber top has sealing strip edge; Described two layers of balls bowl and ball bowl bearing 4 link together by polyurethane spring rubber 5, by 9 lockings of rubber locking block, then guarantee by locking block tensioned screw 10 the elasticity requirement connecting; Described vacuum automatic feedback controlling device is installed on ball bowl bearing 4.
Described vacuum automatic feedback controlling device is comprised of the slide blocks 7 with pin hole, spring 8 and Air Filter 6, described pin hole slide blocks 7 is placed in the mounting hole of ball bowl bearing 4 empty intracavity sidewalls, the vertical ventilation-hole UNICOM of mounting hole and ball bowl bearing 4 empty intracavity sidewalls, vent is used for regulating empty inner chamber pressure, pin hole slide blocks 7 tops are Air Filters 6, and for preventing that dust from entering, bottom is provided with spring 8, and fix with hollow part, ball bowl bearing 4 bottom outer walls are provided with vent.
As shown in Figure 2, described first layer rotating sphere bowl 2 is R1 about the turning radius of sucker upper surface central point, second layer rotating sphere bowl 3 is R2 about the turning radius of central point, when the size design of described two layers of balls bowl and ball bowl bearing 4 should guarantee 1 rotation of sealing lip limit sucker, its upper surface central point height is constant.
When the size design of described two layers of balls bowl and ball bowl bearing 4 should guarantee 1 rotation of sealing lip limit sucker, its upper surface central point height is constant.
Described sealing lip limit sucker 1, first layer rotating sphere bowl 2 and second layer rotating sphere bowl 3 rotating position central points are constant
The lip limit of described sealing lip limit sucker 1 is made by the urethane rubber being embedded on steel core, on middle steel core, makes vent and the screw hole for being connected with first layer rotating sphere bowl 2 screws.
Said structure guarantees that sucker rotates flexibly, central point height is constant, and automatically opens vacuum loop while having part, only retains tiny feedback gas circuit when part is taken away, without a plurality of electromagnetic valve vacuum flows, simple in structure flexibly.Realize vacuum chuck sense of rotation flexible, and there is automatic cut-off function.
The advantage of the invention:
The present invention becomes one vacuum chuck and vacuum feedback regulation device, without electrical control, can automatically regulate work and vacuumize flow intermittently time, realizes automatic absorbing while having part, the function of automatically closing during without part; Simultaneously, owing to adopting Double layer rotating ball bowl structure, when the part surface tilting is oppressed sealing lip limit sucker, force chuck surface reliably to be fitted, form interim confined space, after vacuumizing, without adjusting, can make sucker and part surface adsorbed close, angle of swing is between 0-45 °, and central point height is constant, substantially meets the demand of most of three-dimension curved surface part; This vacuum chuck is flexible and convenient to use, has from turn-off function, and device structure is simple, and safety coefficient is high, reduces the cost that uses complete frock.
Accompanying drawing explanation:
Fig. 1 is Universal vacuum chuck structural representation.
When Fig. 2 is 1 rotation of sealing lip limit sucker, the constant schematic diagram of its upper surface central point height.
The state of vacuum feedback regulation device when Fig. 3 represents that this Universal vacuum chuck does not adsorb workpiece.
The state of vacuum feedback regulation device when Fig. 4 represents this Universal vacuum chuck absorption workpiece.
In figure:
1-sealing lip limit sucker 2-first layer rotating sphere bowl 3-second layer rotating sphere bowl
4-ball bowl bearing 5-elastic polyurethane rubber 6-Air Filter
7-pin hole slide blocks 8-spring 9-rubber locking block
10-locking block tensioned screw 11-seal sleeve
Embodiment:
Band is, on flexible frock, three-dimension curved surface part is adsorbed to stationary device from the Universal vacuum chuck of turn-off function; It is by sealing lip limit sucker 1, first layer rotating sphere bowl 2, second layer rotating sphere bowl 3, ball bowl bearing 4, elastic polyurethane rubber (5), seal sleeve 11, and is installed on the compositions such as pin hole slide blocks 7 on ball bowl bearing, spring 8;
Sealing lip limit sucker (1) is made concave structure, and lip limit is made by the urethane rubber being embedded on steel core, seal and serviceability while guaranteeing vacuum suction, and not fragile workpiece, makes vent and screw hole on middle steel core; First layer rotating sphere bowl 2 is made indent cylindrical structure, and top coordinates with sucker, by screw, the two is connected as one, and outer surface is ball-type; Second layer rotating sphere bowl 3 is made a bowl formula structure, turns over sealing along airtight cooperation of ball-type outer surface with first layer ball bowl 2 in it, and ball-type outer surface coordinates with the Spherical Seals edge on ball bowl bearing 4; Ball bowl bearing 4 centers are empty inner chamber, and empty inner chamber top has sealing strip edge, guarantee to coordinate with the outer surface of second layer rotating sphere bowl 3, realize the seal of gas circuit; Meanwhile, when the size design of two layers of balls bowl and ball bowl bearing 4 guarantees 1 rotation of sealing lip limit sucker, its upper surface central point height is constant, thereby is easy to effective height; Two layers of balls bowl and ball bowl bearing 4 link together by polyurethane spring rubber 5, first by rubber locking block 9, locked, then guarantee by locking block tensioned screw 10 the elasticity requirement connecting during installation; Ball bowl bearing 4 empty intracavity sidewalls are made two vertical vents and the mounting hole of pin hole slide blocks 7, vent is used for regulating empty inner chamber pressure, pin hole slide blocks 7 is placed in mounting hole, top is Air Filter 6, be used for preventing that dust from entering, bottom is provided with spring 8, and fixes with hollow part, and ball bowl bearing 4 bottom outer walls are provided with vent.
First layer rotating sphere bowl 2 and second layer rotating sphere bowl 3 all have spherical outer surface, respectively with the Spherical Seals of indent below it along coordinating, thereby form can universal rotational joint, ball-type outer surface had both guaranteed with the cooperation on sealing edge that being sealed and matched of the two was that face contacts, reduce again difficulty of processing, seal along structure simultaneously and guarantee that two layers of balls bowl angle of swing is no more than 45 °; Elastic polyurethane rubber 5, rubber locking block 9, locking block tensioned screw 10 are anti-drop devices, and in the time of can guaranteeing that Universal sucker is not worked, ball bowl is not separated each other with ball bowl bearing, during work, can not limit normal rotation again, strengthen the reliability of Universal sucker work; During 1 work of sealing lip limit sucker, the compression of lip limit, makes outer surface of workpiece contact with sucker upper surface central point; The centre of sphere of first layer, second layer rotating sphere bowl 2,3 design is simultaneously at the central point of sucker upper surface, while guaranteeing that sealing lip limit sucker 1, first layer rotating sphere bowl 2, second layer rotating sphere bowl 3 rotate with workpiece 3 dimensional coil geometry, contact center point is constant, has guaranteed positioning precision.
The parts such as pin hole slide blocks 7, spring 8, Air Filter 6 form vacuum feedback means.After vacuum is opened, on sucker, during without workpiece, the pin hole slide blocks 7 in vacuum feedback means moves down, Compress Spring 8, and vacuum passage sealing, but pin hole passage still opens, and gas flow is very little.On sucker, during place work piece, vacuum air-channel starts to adsorb workpiece, and when in sucker, pressure and spring force equate, spring 8 promotes pin hole slide blockss 7 and up moves, and connects vacuum passage, absorption workpiece.
This invention has adopted sealing lip limit sucker, two-layer rotating sphere bowl structure, when the sucker of three-dimension curved surface part surface compressing sealing lip limit, forces sucker lip limit and part surface laminating, forms interim confined space.At this moment due to the effect of vacuum feedback means, automatically connect vacuum loop, sucker lip limit and part surface adsorbed close, without artificial and computer adjustment.
This contrive equipment not only can be used for flexible multipoint tool, also can be arranged on miscellaneous equipment and fix for the absorption of three-dimension curved surface part; Not only can fix for the absorption of three-dimension curved surface metal parts, also can fix for the absorption of composite material parts, glass part and other plastic part after being shaped.
Claims (4)
1. band, from a Universal vacuum chuck for turn-off function, is comprised of sucker, ball bowl, ball bowl bearing, seal sleeve and vacuum automatic feedback controlling device, it is characterized in that:
Described sucker adopts sealing lip limit sucker (1), described ball bowl is comprised of the second layer rotating sphere bowl (3) of first layer rotating sphere bowl (2) and bowl formula structure, first layer rotating sphere bowl (2) is indent cylindrical structure, top coordinates with sealing lip limit sucker (1), be connected by screw and be integrated, outer surface is ball-type; Described second layer rotating sphere bowl (3) is bowl formula structure, turns over sealing along airtight cooperation of ball-type outer surface with first layer rotating sphere bowl (2) in it, and the Spherical Seals edge on its ball-type outer surface and ball bowl bearing (4) is sealed and matched; Described ball bowl bearing (4) center is empty inner chamber, and empty intracavity sidewall is provided with the mounting hole of vertical vent and pin hole slide blocks, and empty inner chamber top has sealing strip edge; Described two layers of balls bowl and ball bowl bearing (4) link together by polyurethane spring rubber (5), by rubber locking block (9) locking, then the elasticity requirement being connected by locking block tensioned screw (10) assurance; Described vacuum automatic feedback controlling device is installed on ball bowl bearing (4);
Described vacuum automatic feedback controlling device is comprised of pin hole slide blocks (7), spring (8) and Air Filter (6), described pin hole slide blocks (7) is placed in the mounting hole of the empty intracavity sidewall of ball bowl bearing (4), mounting hole is communicated with the vertical ventilation-hole of the empty intracavity sidewall of ball bowl bearing (4), vent is used for regulating empty inner chamber pressure, pin hole slide blocks (7) top is Air Filter (6), be used for preventing that dust from entering, pin hole slide blocks (7) bottom is provided with spring (8), and fix with hollow part, ball bowl bearing (4) bottom outer wall is provided with vent.
2. a kind of band according to claim 1, from the Universal vacuum chuck of turn-off function, is characterized in that:
Described first layer rotating sphere bowl (2) is R1 about the turning radius of sucker upper surface central point, second layer rotating sphere bowl (3) is R2 about the turning radius of central point, when the size design of described two layers of balls bowl and ball bowl bearing (4) should guarantee sealing lip limit sucker (1) rotation, its upper surface central point height is constant.
3. a kind of band according to claim 1, from the Universal vacuum chuck of turn-off function, is characterized in that:
Described sealing lip limit sucker (1), first layer rotating sphere bowl (2) and second layer rotating sphere bowl (3) rotating position central point are constant.
4. a kind of band according to claim 1, from the Universal vacuum chuck of turn-off function, is characterized in that:
The lip limit of described sealing lip limit sucker (1) is made by the urethane rubber being embedded on steel core, on middle steel core, makes vent and the screw hole for being connected with first layer rotating sphere bowl (2) screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210492210.8A CN102966659B (en) | 2012-11-27 | 2012-11-27 | Universal vacuum chuck with automatic closing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210492210.8A CN102966659B (en) | 2012-11-27 | 2012-11-27 | Universal vacuum chuck with automatic closing function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102966659A CN102966659A (en) | 2013-03-13 |
| CN102966659B true CN102966659B (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210492210.8A Expired - Fee Related CN102966659B (en) | 2012-11-27 | 2012-11-27 | Universal vacuum chuck with automatic closing function |
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| Country | Link |
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| CN (1) | CN102966659B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106180247B (en) * | 2016-08-04 | 2018-01-02 | 吉林大学 | A kind of high muscle aluminium alloy wallboard manufacture method |
| CN106827388A (en) * | 2017-01-22 | 2017-06-13 | 中山昂锐五金塑胶实业有限公司 | Full-automatic injection mold finished product cuts off unloading device |
| CN109078527B (en) * | 2018-10-25 | 2024-04-30 | 黄石东贝制冷有限公司 | Stirring shaft sealing sleeve of stirrer |
| CN111022478B (en) * | 2019-11-11 | 2021-03-30 | 浙江大学 | Vacuum adsorption device with adaptive matching disk surface angle |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1046482C (en) * | 1995-06-22 | 1999-11-17 | 日本比索株式会社 | Vaccum-suction attachement pad |
| US6502808B1 (en) * | 1999-09-30 | 2003-01-07 | The Boeing Company | Vacuum cup with precision hard stop |
| US20100117278A1 (en) * | 2008-11-11 | 2010-05-13 | Chang Yu-Chen | Vacuum sucker for workpiece having through holes |
| CN201353736Y (en) * | 2009-02-05 | 2009-12-02 | 沈阳飞机工业（集团）有限公司 | Universal vacuum chuck |
| CN102528693B (en) * | 2012-02-18 | 2014-02-19 | 营口三兴建业彩钢设备制造有限公司 | Sucker type flexible clamping tool |
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2012
- 2012-11-27 CN CN201210492210.8A patent/CN102966659B/en not_active Expired - Fee Related
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| CN102966659A (en) | 2013-03-13 |
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| SE01 | Entry into force of request for substantive examination | ||
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Granted publication date: 20141210 Termination date: 20201127 |