CN202207816U - Diaphragm type automatic chuck - Google Patents
Diaphragm type automatic chuck Download PDFInfo
- Publication number
- CN202207816U CN202207816U CN2011202276681U CN201120227668U CN202207816U CN 202207816 U CN202207816 U CN 202207816U CN 2011202276681 U CN2011202276681 U CN 2011202276681U CN 201120227668 U CN201120227668 U CN 201120227668U CN 202207816 U CN202207816 U CN 202207816U
- Authority
- CN
- China
- Prior art keywords
- diaphragm
- claw
- support part
- retractable support
- type automatic
- 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
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Abstract
The utility model discloses a diaphragm type automatic chuck including a cylinder, a piston, claws, a spacing sleeve and a connection diaphragm, of which the rigid portion on the periphery thereof is fixedly provided with the spacing sleeve, wherein the connection diaphragm is provided with a central shaft hole, telescopic support members are evenly distributed on the periphery of the central shaft hole, the claws are respectively fixed on the telescopic support members, the connection diaphragm is fixed on a chuck seat at the front end of the cylinder, an axial positioning block is fixed on the chuck seat by a screw penetrating through the shaft hole on the connection diaphragm and a cushion block, and the telescopic support members on the connection diaphragm are fixed on a piston end portion through pop-rivets. When pressure oil is introduced in the cylinder, the telescopic support members on the connection diaphragm at the piston end portion are pushed and protrude out along the axial direction, and then the claw is opened. When the piston moves backwards, the telescopic support members is recessed along the axial direction, and then the claw is clamped tightly. The diaphragm type automatic chuck is simple in structure and has no relative sliding or rotation. Wearing between components may not occur. And, the diaphragm type automatic chuck can work normally under severe environment.
Description
Technical field:
The utility model relates to a kind of diaphragm type automatic chuck, the clamping of workpiece when being specially adapted to turning and grinding.
Background technology:
Existing automatic chuck transmission mainly is to adopt voussoir, swing club and three kinds of forms of slip tapered sleeve, and the inclined-plane that the first is utilized voussoir changes into the radial motion of claw with the axially-movable of oil cylinder, moves the claw on the automatic chuck is radially parallel.It two is swing club forms, and the claw on the automatic chuck is radially radially wobbled with swing arm, and it three is slip tapered sleeve forms; Be with the claw on the automatic chuck radially with axial compound motion; More than three kinds of radial motions all can realize the clamping of claw and loosen that but its shortcoming is: type of belt drive all is to belong to positive drive between oil cylinder and the claw, all exists to slide relatively or rotate; Phenomenons such as clamping is not in place, the chucking power skewness, and is easy to wear can appear when the clamping workpiece unavoidably.
Summary of the invention:
The task of the utility model is to propose a kind of diaphragm type automatic chuck that a kind of clamping workpiece is tight, the clamping deflection is little, positioning accuracy is high, non-maintaining.The task of the utility model is to accomplish like this; The diaphragm type automatic chuck; It comprises oil cylinder, piston, claw, stop collar, it is characterized in that: the rigidity position that connects the diaphragm outer peripheral edges has been screwed stop collar, and connecting diaphragm has central shaft hole, and the retractable support part is uniformly distributed in the outside of central shaft hole; Claw is separately fixed on the retractable support part; Connect diaphragm and be fixed on the chuck seat of oil cylinder front end, the axial location piece passes the axis hole and the cushion block that connect on the diaphragm by screw and puts together on the chuck seat, and the retractable support part that connects on the diaphragm is fixed on pistons end through blind rivet.The diaphragm type automatic chuck; It is characterized in that: the Zhang Yusong of claw is by the retractable support part on the connection diaphragm that promotes pistons end behind the oil cylinder feeding pressure oil; The protruding vertically claw of retractable support part opens, and piston moves backward and drives the recessed vertically claw clamping of retractable support part.The utlity model has following effect: compared with prior art not only simple in structure, and do not have and slide relatively or rotation, can not wear and tear between the parts, operate as normal under adverse circumstances be can satisfy, as chip, dust are full of.Turning and grinding, under equal conditions the precision maintenance life-span is existing more than 3 times, the chuck structure of the utility model is to adopt five claws that the position is uniformly distributed with; Effectively homogenizing the distribution of chucking power, compare with existing scroll chuck, can reduce the piece-holder deflection more than 30%; Compare with existing four, six dog chucks; Can reach effective bite more than 3, particularly the circularity to workpiece requires significantly to reduce, and is fit to the piece-holder of high-precision processing occasion.
Description of drawings:
Fig. 1 is the utility model structural representation; Fig. 2 is the vertical view of Fig. 1; Fig. 3 is the structural representation that connects diaphragm.
Drawing explanation: 1, oil cylinder, 2, piston, 3, chuck seat, 4, connect diaphragm, 5, claw, 6, stop collar, 7, the axial location piece, 8, blind rivet, 9, cushion block, 10, axis hole, 11, the retractable support part.
The specific embodiment:
Describe embodiment in detail in conjunction with above accompanying drawing, the outer peripheral edges that connect diaphragm 4 are rigid structures, and there is axis hole 10 at the center that connects diaphragm 4; Evenly the outside of distribution axis hole is a retractable support part 11, and claw 5 is separately fixed on the retractable support part 11, and claw is designed with 5; Stop collar 6 is screwed rigidity contact on the outer peripheral edges that connect diaphragm, connects diaphragm and is fixed on the chuck seat 3 of oil cylinder 1 front end, and axial location piece 7 usefulness screws pass the axis hole and the cushion block 9 that connect on the diaphragm and put together on the chuck seat 3; Blind rivet 8 is fixed on piston 2 ends to the retractable support part 11 that connects on the diaphragm, and oil cylinder 1 feeds pressure oil, promotes to push away or post-tensioning before piston is realized; The retractable support part that when piston forward promotes, connects on the diaphragm is protruding vertically; The drive claw opens, and unclamps workpiece, connects the recessed vertically distortion of retractable support part on the diaphragm when piston 2 moves backward; The drive claw tightens up, thereby accomplishes clamping work pieces.
Claims (2)
1. diaphragm type automatic chuck; It comprises oil cylinder, piston, claw, stop collar, it is characterized in that: the rigidity position that connects the diaphragm outer peripheral edges has been screwed stop collar; Connect diaphragm central shaft hole is arranged; The retractable support part is uniformly distributed in the outside of central shaft hole, and claw is separately fixed on the retractable support part, connects diaphragm and is fixed on the chuck seat of oil cylinder front end; The axial location piece passes the axis hole and the cushion block that connect on the diaphragm by screw and puts together on the chuck seat, and the retractable support part that connects on the diaphragm is fixed on pistons end through blind rivet.
2. diaphragm type automatic chuck according to claim 1; It is characterized in that: the Zhang Yusong of claw is by the retractable support part on the connection diaphragm that promotes pistons end behind the oil cylinder feeding pressure oil; The protruding vertically claw of retractable support part opens, and piston moves backward and drives the recessed vertically claw clamping of retractable support part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202276681U CN202207816U (en) | 2011-06-23 | 2011-06-23 | Diaphragm type automatic chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202276681U CN202207816U (en) | 2011-06-23 | 2011-06-23 | Diaphragm type automatic chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202207816U true CN202207816U (en) | 2012-05-02 |
Family
ID=45987372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202276681U Expired - Fee Related CN202207816U (en) | 2011-06-23 | 2011-06-23 | Diaphragm type automatic chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202207816U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104001955A (en) * | 2014-05-21 | 2014-08-27 | 苏州锟恩电子科技有限公司 | Diaphragm chuck centering device |
| CN108481190A (en) * | 2017-12-26 | 2018-09-04 | 中车戚墅堰机车车辆工艺研究所有限公司 | A kind of grinding fixture and application method of cycloid wheel bearing bore |
| CN108592976A (en) * | 2018-07-04 | 2018-09-28 | 常州天寅智造科技股份有限公司 | A kind of measurement jig for glass and silicon chip |
-
2011
- 2011-06-23 CN CN2011202276681U patent/CN202207816U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104001955A (en) * | 2014-05-21 | 2014-08-27 | 苏州锟恩电子科技有限公司 | Diaphragm chuck centering device |
| CN108481190A (en) * | 2017-12-26 | 2018-09-04 | 中车戚墅堰机车车辆工艺研究所有限公司 | A kind of grinding fixture and application method of cycloid wheel bearing bore |
| CN108592976A (en) * | 2018-07-04 | 2018-09-28 | 常州天寅智造科技股份有限公司 | A kind of measurement jig for glass and silicon chip |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120502 Termination date: 20170623 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |